Archive for ‘materials’

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11/05/2020

Mt. Qomolangma remeasuring team to work on route to peak

(InTibet) CHINA-TIBET-MOUNT QOMOLANGMA-REMEASUREMENT-ROAD CONSTRUCTION (CN) Members of a road construction team depart from the advance camp at an altitude of 6,500 meters of Mount Qomolangma in southwest China’s Tibet Autonomous Region, May 10, 2020. A road construction team will work on a route to the peak of Mount Qomolangma on May 12 if weather conditions permit. China initiated a new round of measurement on the height of Mount Qomolangma, the world’s highest peak, on April 30. The measurement team consists of members from the Ministry of Natural Resources and the national mountaineering team. (Xinhua/Sun Fei)

MOUNT QOMOLANGMA BASE CAMP, May 10 (Xinhua) — A road construction team will work on a route to the peak of Mount Qomolangma on May 12 if weather conditions permit.

In order to complete missions of building a route to the peak and transporting materials to camps below 8,300 meters above sea level, members of road construction and transportation teams departed for a camp at an altitude of 7,028 meters from the advance camp at an altitude of 6,500 meters at 7:00 a.m. Sunday.

The members eliminated potential safety hazards along the route and arrived at the camp at 2:00 p.m.

On May 12, a total of 12 guides will depart from the camp at an altitude of 7,028 meters to transport materials to another camp.

China initiated a new round of measurement on the height of Mount Qomolangma, the world’s highest peak, on April 30. The measurement team consists of members from the Ministry of Natural Resources and the national mountaineering team.

Since the founding of the People’s Republic of China in 1949, Chinese surveyors have conducted six rounds of scaled measurement and scientific research on Mount Qomolangma and released the height of the peak twice in 1975 and 2005, which was 8,848.13 meters and 8,844.43 meters respectively.

Source: Xinhua

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26/04/2020

China’s rolling stock manufacturer donates medical equipment to Germany

GERMANY-BERLIN-CRRC-MEDICAL EQUIPMENT-DONATION

Photo taken with a mobile phone on April 24, 2020 shows a handover ceremony of medical equipment donated by China Railway Rolling Stock Corporation (CRRC) Zhuzhou Locomotive Co. Ltd. in Berlin, Germany. China Railway Rolling Stock Corporation (CRRC), the world’s largest rolling stock manufacturer by production volume, donated a shipment of medical equipment to Germany via the German Red Cross on Friday to help the country fight the coronavirus. Responding to the call from the German government and the Chinese Embassy in Germany, and in accordance with an arrangement between CRRC and CRRC Zhuzhou Locomotive Co. Ltd. (CRRC ZELC), the company donated 1,000 protective suits, 20,000 FFP2 masks and 80,000 surgical masks. (CRRC ZELC/Handout via Xinhua)

BERLIN, April 24 (Xinhua) — China Railway Rolling Stock Corporation (CRRC), the world’s largest rolling stock manufacturer by production volume, donated a shipment of medical equipment to Germany via the German Red Cross on Friday to help the country fight the coronavirus.

Responding to the call from the German government and the Chinese Embassy in Germany, and in accordance with an arrangement between CRRC and CRRC Zhuzhou Locomotive Co. Ltd. (CRRC ZELC), the company donated 1,000 protective suits, 20,000 FFP2 masks and 80,000 surgical masks.

CRRC ZELC said that the donated materials will be distributed to medical staff and volunteers who are fighting the pandemic on the frontlines.

Cheng Jian, general manager of CRRC ZELC Verkehrstechnik GmbH, said that the only way to overcome the crisis is to unite strengths and meet the challenges together.

“We wish to undertake our social responsibility as part of the community. We firmly believe that with joint efforts of the international community, Germany will quickly overcome the crisis, and production and life will return to normal soon,” Cheng said.

According to Jens Quade, president of the Mueggelspree regional branch of the German Red Cross, the risk of new coronavirus infections could be reduced through the generous donation from CRRC ZELC.

“The donated material will be distributed to the Berlin Red Cross, Berlin hospitals and/or medical institutions. We will do our best to provide the necessary assistance to the people who are most in need,” Quade said.

Source: Xinhua

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23/04/2020

China Focus: China-Europe freight trains help stabilize global supply chain

SHENYANG, April 23 (Xinhua) — With trucks standing bumper to bumper and large cranes loading containers on the train, work returned to normal at a logistics base in northeast China’s Liaoning Province.

The base, where the China-Europe freight trains are set to depart in Shenyang, the provincial capital, has seen stable departures since early April as the novel coronavirus epidemic ebbs away.

With the global supply chain being affected by restrictions in air, land, and port travel due to the global pandemic, China-Europe railway has been playing a more important role, experts say.

“The train was operated by staff in different sections, which means it does not require cross-border personnel health inspections, giving it advantages during the pandemic,” said Shan Jing, an industry insider who wrote a book on China-Europe freight trains.

In March, a total of 809 China-Europe freight trains carrying 73,000 containers were sent across China. Both numbers hit a monthly record.

At the Shenyang logistics base, trains depart to travel through Russia, Belarus, Poland and finally reach Germany in around 18 days. As of April 13, a total of 130 trains carrying 11,200 standard containers had departed from the base.

“The province sends a stable number of five trains each week,” said He Ruofan, a business manager with the Shenyang branch of China Railway Container Transport Corp., Ltd, operator of the trains.

The stable operation has made the route a top choice for many Chinese enterprises, said Yao Xiang, a manager with logistics group Sinotrans’s northeast company.

“Many shipping routes have been canceled, and the rest are more and more expensive amid the epidemic,” said Yao, noting the price for air cargo surged 5 to 10 times the normal price as flights decreased from China to Europe.

With increasing departing trains, returning trains on the route have also been increasing, Yao said.

Among the 130 trains that have been sent from the Shenyang base so far this year, 33 returned, carrying construction materials, car parts, mechanical equipment, and daily products.

“These goods provide supplies to large companies like BMW and Michelin’s Shenyang factories,” Yao said.

Medical supplies have also been sent to hard-hit Europe to fight against the coronavirus pandemic.

As of April 18, a total of 448,000 pieces of medical supplies weighing 1,440 tonnes had been sent to European countries via the route, according to China State Railway Group Company, Ltd.

“China-Europe freight trains have shown great service capabilities during the epidemic,” said Shan, the industry insider. “It serves as a new choice for European enterprises, and I believe more people will come to realize the importance of the route.”

Source: Xinhua

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07/04/2020

Coronavirus: How China’s army of food delivery drivers helped keep country going during outbreak

  • Buying and paying for meals and supplies online was already second nature for many Chinese before the Covid-19 lockdown
  • The supply and delivery networks that were already in place were able to work with the authorities in cities like Wuhan
China’s established home delivery system played an important role in getting food and other necessities to residents during the Wuhan lockdown. Photo: EPA-EFE
China’s established home delivery system played an important role in getting food and other necessities to residents during the Wuhan lockdown. Photo: EPA-EFE
When Liu Yilin, a retired middle schoolteacher in Wuhan, first heard rumours of a

highly contagious disease

spreading in the central Chinese city he started to stock up on supplies such as rice, oil, noodles and dried pork and fish.

These preparations spared the 66-year-old from some of the early panic when 
the city went into lockdown in late January

and shoppers flooded to the markets and malls to snap up supplies.

But as time went on and with residents banned from leaving their homes, he became increasingly concerned about getting hold of fresh supplies of vegetables, fruit and meat until the nation’s vast network of delivery drivers came to the rescue.
“It was such a relief that several necessity purchasing groups organised by community workers and volunteers suddenly emerged on WeChat [a leading social media app] days after the lockdown,” Liu said. “China’s powerful home delivery service makes life much easier at a time of crisis.”

Hu Xingdou, a Beijing-based independent political economist said: “Home delivery played a very important role amid the coronavirus outbreak. To some extent, it prevented people from starving especially in cases when local governments took extreme measures to isolate people.”

According to Liu, people in Wuhan during the lockdown had to stay within their residential communities, with community workers guarding the exits.

Human contact was limited to the internet. Residents placed orders online with farmers, small merchants or supermarkets to buy daily necessities, and community workers helped distribute the goods from deliverymen.

Every morning, Liu passed a piece of paper with his name, phone number and order number to a community worker who would collect the items from a courier at the gate of the residential area.

Thanks to a high population density in urban areas, affluent labour force and people’s openness to digital life, China has built a well-developed home delivery network.

Extensive funding from technology companies has been invested in hardware infrastructure, software to improve logistics and big data and cloud computing to help predict consumers’ behaviour.

Mark Greeven, professor of innovation and strategy at IMD Business School in Lausanne, Switzerland, said: “Whether it is delivery of products, air parcels or fresh food or even medicine or materials for medical use, China has a very well developed system. Much better developed than I think almost any other places in the world.

“Well before the crisis, China had started to embrace digital technology in daily life whether it is in consumption, business, government and smart cities and use of third party payments. All of these things have been in place for a long time and the crisis tested its agility and capability to deal with peak demand.”

China’s e-commerce giants help revive sales of farm goods from Hubei

3 Apr 2020
According to e-commerce giant JD.com, demands for e-commerce and delivery services spiked during the outbreak of Covid-19, the illness caused by the new coronavirus.
It sold around 220 million items between January 20 and February 28, mainly grains and dairy products with the value of beef orders trebling and chicken deliveries quadrupling compared with a year ago.
Tang Yishen, head of JD Fresh, its fresh foods subsidiary, said: “The surge of online demand for fresh merchandise shows the pandemic helped e-commerce providers further penetrate into the life of customers. It also helped upstream farm producers to know and trust us.”
Meituan Dianping, a leading e-commerce platform, said its grocery retail service Meituan Instashopping reported a 400 per cent growth in sales from a year ago in February from local supermarkets.
The most popular items ordered between January 26 and February 8 were face masks, disinfectant, tangerines, packed fresh-cut fruits and potatoes.
The food delivery service Ele.me said that, between January 21 and February 8, deliveries of frozen food surged more than 600 per cent year on year, followed by a nearly 500 per cent growth in delivery of pet-care products. Fresh food deliveries rose by 181 per cent while drink and snack deliveries climbed by 101 per cent and 82 per cent, respectively. Ele.me is owned by Alibaba, the parent company of the South China Morning Post.
Chinese hotpot restaurant chain adapts as coronavirus fears push communal meals off the menu
E-commerce providers used the opportunity to show goodwill and improve their relationship with customers and partners, analysts say.
Sofya Bakhta, marketing strategy analyst at the Shanghai-based Daxue Consulting, said the food delivery sector had made significant headway in reducing physical contact during the outbreak.
Delivery staff left orders in front of buildings, in lifts or temporary shelters as instructed by the clients as most properties no longer allowed them inside.
Some companies also adopted more hi-tech strategies.
In Beijing, Meituan used self-driving vehicles to deliver meals to contactless pickup stations. It also offered cardboard boxes to be used as shields aimed at preventing the spread of droplets among its clients while they ate in their workplaces. In Shanghai, Ele.me employed delivery drones to serve people under quarantine in the most affected regions.
Some companies even “shared” employees to meet the growing labour demand in the food delivery industry that could not be satisfied with their ordinary workforce, Bakhta said.
More employees from restaurants, general retail and other service businesses were “loaned” to food delivery companies, which faced manpower shortages during the outbreak, according to Sandy Shen, senior research director at global consultancy Gartner.
“These arrangements not only ensured the continuity of the delivery service but also helped businesses to retain employees during the shutdown,” she said.
A delivery man takes a break between orders in Wuhan, central China, during the lockdown. Photo: AFP
A delivery man takes a break between orders in Wuhan, central China, during the lockdown. Photo: AFP
Mo Xinsheng became one such “on-loan” worker after customers stopped coming to the Beijing restaurant where he worked as a kitchen assistant.
“I wanted to earn some money and meanwhile help people who are trapped at home,” said Mo, who was hired as a delivery man.
But before he could start work he had to go through lengthy health checks before he was allowed into residential compounds.
He also had to work long hours battling the wind and cold of a Beijing winter and carrying heavy loads.
“I work about 10 hours every day just to earn several thousand yuan [several hundred US dollars] a month,” he said.
“Sometimes I almost couldn’t breathe while my hands were fully loaded with packages of rice, oil and other things.
“But I know I’m doing an important job, especially at a time of crisis,” Mo said, “It was not until then that I realised people have become so reliant on the home delivery system.”
Woman uses remote control car to buy steamed buns amid coronavirus outbreak in China
The delivery system has been improved by an effective combination of private sector innovation and public sector coordination, said Li Chen, assistant professor at the Centre for China Studies at Chinese University of Hong Kong.
“[In China,] government units and the Communist Party grass roots organisations have maintained fairly strong mobilisation capabilities to cope with emergencies, which has worked well in the crisis,” he said.
However, Liu, the Wuhan resident, said prices had gone up and vegetables were three times more expensive than they had been over Lunar New Year in 2019.
“There were few varieties that we could choose from, apart from potatoes, cabbage and carrots,” he said.
“But I’m not complaining. It’s good we can still get fresh vegetables at a difficult time. Isn’t it? After all, we are just ordinary people,” he said.
Source: SCMP

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01/03/2020

Coronavirus: how China’s face mask shortage inspired people to learn to make their own

  • Materials can bought cheaply online and combined to filter out germs, while people exchange tips in online chat groups
  • Urgent demand has forced individuals and hospitals alike to get to work to meet the shortfall
A worker in northern China makes a face mask as companies strive to match demand – but some people are buying similar materials to assemble at home. Photo: Xinhua
A worker in northern China makes a face mask as companies strive to match demand – but some people are buying similar materials to assemble at home. Photo: Xinhua
Living in the scenic Puer city in southwestern China’s Yunnan province, 30-year-old Zhang Jianing had thought the coronavirus outbreak in Hubei was far away and irrelevant, until cases were confirmed in her province and then her city at the end of January.
Heeding the warnings to protect herself, Zhang rushed out to buy masks, only to find them all snapped up. When she plucked up the courage to go out to buy groceries, she realised she needed to have a mask on to be allowed to enter shops.
After doing some research online, Zhang made a mask herself: two layers of cotton on the outside, with a sheet of plastic food wrap inside.
“The mask fit my face well and protected me from droplets,” Zhang said. “There was just one thing: it was too difficult to breathe through.”
Experts devise do-it-yourself face masks to help people battle coronavirus
When a nation of 1.4 billion people was suddenly alerted and in many cases ordered to wear masks not only in public indoor places but also in the open air, the huge demand quickly exhausted supply.
Mask production capacity in China was 22 million a day – insufficient for the country’s population. There were hopes that the supply of masks would pick up after a Lunar New Year holiday that was extended to help prevent further spread of infection, but things did not look promising after factories reopened. By Monday, despite mask manufacturers making 10 per cent more than in early February, masks remained a rare commodity.

Making DIY masks became the top trending topic on Chinese online shopping site Taobao for several days. Materials became much sought-after, from nose bars to the non-woven fabric used in disposable surgical masks to filter out viral droplets. An online shop based in Fujian, southeast China, said it had sold more than 5,500 packages of DIY mask materials that can make 50 to 200 surgical masks apiece.

Surgical masks ‘protect more from germs on fingers than viruses in the air’

16 Feb 2020

Zhang spent 200 yuan (US$29) on materials online, from which she made 60 surgical masks when they arrived last week. She is a qipao designer and has a sewing machine at home. The outer layer was a blue waterproof non-woven fabric, over a layer of melt-blown fabric that can filter out most germs and droplets. The inner layer was made with a face flannel.

Hongkongers make reusable fabric masks as Covid-19 epidemic leads to shortages and sky-high prices
“I sent some to my parents and relatives,” Zhang said. “I am not sure how protective they are, but the good thing is our city hasn’t had any new cases for a long time.”

DIY mask production is being taken very seriously, spawning online chat groups to discuss reliability of materials and disinfection methods as people try to make theirs as safe and professional as possible.

Alex Zhang, an office worker in Shanghai, donated her N95 masks to Wuhan, the epicentre of the coronavirus outbreak, when hospitals in the city appealed to the public for protective gear amid an acute shortage – but soon found herself short of masks herself.

Shanghai companies begin production of first reusable face masks

25 Feb 2020

The Shanghai government allowed households to buy a certain number of surgical masks, but it was not enough for her family. Taking apart an N95 mask to see what it was made of, she felt assembling the layers of fabric required no special technique, and decided to do it herself.

Zhang spent 45 yuan on two square metres of melt-blown fabric to stop viruses, and sandwiched it with two layers of nonwoven fabric and an air pad. She sewed the layers together and put them in an electric oven at 70 degrees Celsius (158 Fahrenheit) for a minute, for disinfection. The finished mask is attached using a plastic band.

“Each mask cost about 3 yuan [43 US cents] and was almost like an N95 filter,” Zhang said. “I didn’t find it difficult. I am quite satisfied with my masks and feel very safe to wear them in crowded places.”

How to properly remove and discard face masks to reduce the risk of infection

She later bought nursing pads, which are already disinfected, to replace the layer closest to the face.

DIY masks have also been used where large amounts of protective gear are needed. Garment manufacturer Shenzhou International, in the coastal Zhejiang province, assigned 100 staff to make masks with melt-blown non-woven fabric to meet the needs of its factory workforce of nearly 15,000, who needed two masks each per day, according to a report by Ningbo Daily.

Hospitals short of masks have mobilised nurses to make their own using a non-woven fabric used to wrap disinfected medical products. At least three hospitals, in Xian in central China and in Jinhua, Zhejiang, have tried making masks for medical staff not serving on the front line, according to media reports.

DIY handmade face masks in Hong Kong

The World Health Organisation has said that wearing masks alone is not sufficient protection against the coronavirus, and should be combined with precautions including hand-washing with soap or an alcohol-based hand rub.

However, facing a shortage that will not end any time soon, health authorities have changed from saying people should discard masks every four hours to advising recycling them when possible.

A guideline issued by the National Health Commission said healthy people could wear masks repeatedly and for a longer time.

Chinese driver wears 12 face masks amid coronavirus outbreak
“Masks for repeat use can be hung in clean, dry and airy places or put in a clean paper bag,” its guidelines said. “The masks must be placed separately to avoid contact with other masks.”
Making masks with layers of cotton bandage is acceptable, because they can stay dry when breathed on, but plastic wrap is not recommended, because it blocks the ability to breathe entirely, according to Cai Haodong, an infectious diseases specialist at Beijing’s Ditan Hospital.
Coronavirus: Thais urged to make their own masks, sanitisers due to shortage
7 Feb 2020

Cai said her hospital did not have surgical masks, nor N95s, during the severe acute respiratory syndrome (Sars) outbreak in 2003, and hospital staff made masks for use by front-line medics, disinfecting them with boiling water and drying them in the sun.

“The key is to keep the mask dry,” Cai said. “Self-made masks offer some degree of protection and it is better to wear them than nothing.”

Source: SCMP

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06/10/2019

Xinhua Headlines: China’s Greater Bay Area busy laying foundation for innovation

As China aims to develop its Greater Bay Area into an international innovation and technology hub, innovation and entrepreneurship resources are shared in the area to provide more opportunities for young Hong Kong and Macao entrepreneurs.

The provincial government of Guangdong has stepped up efforts to improve basic research capability, considered the backbone of an international innovation and technology hub, by building large scientific installations and launching provincial labs.

by Xinhua writers Liu Yiwei, Quan Xiaoshu, Wang Pan, Jing Huaiqiao

GUANGZHOU, Oct. 5 (Xinhua) — Hong Kong man Andy Ng was surprised his shared workspace Timetable was rented out completely only six months after it had started operation in Guangzhou, capital of south China’s Guangdong Province.

While studying economics at City University of Hong Kong, Ng set up his first business, developing an online education platform, but soon realized the Hong Kong market was too small. After earning a master’s degree in the UK in 2017, Ng returned to China and chose Guangzhou as his new base.

Timetable is now accumulating popularity and even fans in Dianping.com, China’s major online consumer guide. Ng feels lucky that his business caught the implementation of the Guangdong-Hong Kong-Macao Greater Bay Area (GBA) development plan.

The bay area, covering 56,000 square km, comprises Hong Kong and Macao, as well as nine cities in Guangdong. It had a combined population of about 70 million at the end of 2017, and is one of the most open and dynamic regions in China.

Aerial photo taken on July 11, 2018 shows the Hong Kong-Zhuhai-Macao Bridge in south China. (Xinhua/Liang Xu)

In July 2017, a framework agreement on the development of the bay area was signed. On February 18 this year, China issued the more specific Outline Development Plan for the Guangdong-Hong Kong-Macao Greater Bay Area. One of its major aims is to develop the area into an international innovation and technology hub.

OPPORTUNITIES FOR YOUTH

The plan proposes that innovation and entrepreneurship resources be shared in the bay area to provide more opportunities for young Hong Kong and Macao entrepreneurs.

An incubator for entrepreneurship, Timetable is home to 52 companies, including 15 from Hong Kong and Macao, such as Redspots, a virtual reality company that won the Hong Kong Information and Communications Technology (ICT) Awards 2019.

“I persuaded them one by one to come here,” Ng said. “I told them of my own experience that the GBA is a great stage for starting a business with ever-upgrading technologies, ever-changing consumer tastes and a population 10 times that of Hong Kong.”

Timetable is a startup base of the Guangzhou Tianhe Hong Kong and Macao Youth Association, which has assisted 65 enterprises founded by Hong Kong and Macao young people since its establishment in October 2017.

The association and its four bases provide a package of services from training and registering to policy and legal consultation, said Chen Jingzhan, one of the association founders.

Tong Yat, a young Macao man who teaches children programming, is grateful the association encouraged him to come to Guangdong, where young people enjoy more preferential policies to start their own businesses.

“The GBA development not only benefits us, but paves the way for the next generation,” Tong said. “If one of my students were to become a tech tycoon in the future and tell others that his first science and technology teacher was me, I would think it all worthwhile.”

In the first quarter of this year, there were more than 980 science and technology business incubators in Guangdong, including more than 50 for young people from Hong Kong and Macao, said Wu Hanrong, an official with the Department of Science and Technology of Guangdong Province.

INNOVATION HIGHLAND

As the young entrepreneurs create a bustling innovative atmosphere, the Guangdong government has stepped up efforts to improve basic research capability, considered the backbone of an international innovation and technology hub, by building large scientific installations and launching provincial labs.

Several large scientific facilities have settled in Guangdong. China Spallation Neutron Source (CSNS) operates in Dongguan City; a neutrino observatory is under construction in Jiangmen City; a high intensity heavy-ion accelerator is being built in Huizhou City.

Aerial photo taken on June 23, 2019 shows the construction site of the Jiangmen Underground Neutrino Observatory (JUNO) in Jiangmen, south China’s Guangdong Province. (Xinhua/Liu Dawei)

Guangdong also plans to build about 10 provincial labs, covering regenerative medicine, materials, advanced manufacturing, next-generation network communications, chemical and fine chemicals, marine research and other areas, said Zhang Yan, of the provincial department of science and technology.

Unlike traditional universities or research institutions, the provincial labs enjoy a high degree of autonomy in policy and spending. A market-oriented salary system allows them to recruit talent from all over the world, and researchers from other domestic organizations can work for the laboratories without giving up their original jobs, Zhang said.

The labs are also open to professionals from Hong Kong and Macao. Research teams from the universities of the two special administrative regions have been involved in many of the key programs, Zhang said.

For example, the provincial lab of regenerative medicine and health has jointly established a regenerative medicine research institute with the Chinese University of Hong Kong, a heart research center with the University of Hong Kong, and a neuroscience research center with the Hong Kong University of Science and Technology (HKUST).

Photo taken on July 24, 2019 shows a rapid cycling synchrotron at the China Spallation Neutron Source (CSNS) in Dongguan, south China’s Guangdong Province. (Xinhua/Liu Dawei)

Guangdong has been trying to break down institutional barriers to help cooperation, encouraging Hong Kong and Macao research institutions to participate in provincial research programs, exploring the cross-border use of provincial government-sponsored research funds, and shielding Hong Kong researchers in Guangdong from higher mainland taxes.

NANSHA FOCUS

Located at the center of the bay area, Guangzhou’s Nansha District is designed as the national economic and technological development zone and national free trade zone, and is an important pivot in building the area into an international innovation and technology hub.

The construction of a science park covering about 200 hectares started on Sept. 26. Gong Shangyun, an official with the Nansha government, said the park will be completed in 2022.

Jointly built by the Guangzhou government and the Chinese Academy of Sciences (CAS), the science park will accommodate CAS research institutes from around Guangzhou, including the South China Sea Institute of Oceanology, the South China Botanical Garden (SCBG) and the Guangzhou Institute of Energy Conversion.

Ren Hai, director of the SCBG, is looking forward to expanding the research platforms in Nansha. “We will build a new economic plant platform serving the green development of the Pearl River Delta, a new botanical garden open to the public, and promote the establishment of the GBA botanical garden union.”

Wang Ying, a researcher with the SCBG, said the union will help deepen the long cooperation among its members and improve scientific research, science popularization and ecological protection. “Predecessors of our botanical garden have helped the Hong Kong and Macao counterparts gradually establish their regional flora since the 1950s and 1960s.”

HKUST also started to build a new campus in Nansha the same day as the science park broke ground. “Located next to the high-speed rail station, the Guangzhou campus is only a 30-minute journey from the Hong Kong campus. A delegation from the HKUST once paid a visit to the site and found it very convenient to work here,” Gong said.

Chief Executive of the Hong Kong Special Administrative Region (HKSAR) Carrie Lam hoped the new campus would help create a new chapter for the exchanges and cooperation on higher education between Guangzhou and Hong Kong, and cultivate more talents with innovative capabilities.

Nansha’s layout is a miniature of the provincial blueprint for an emerging international innovation and technology hub.

“We are seeking partnership with other leading domestic research institutions and encouraging universities from Hong Kong and Macao to set up R&D institutions in Guangdong,” said Zhang Kaisheng, an official with the provincial department of science and technology.

“We are much busier now, because research institutes at home and abroad come to talk about collaboration every week. The GBA is a rising attraction to global scientific researchers,” Zhang said.

Source: Xinhua

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14/08/2019

Chinese scientists hail ‘incredible’ stealth breakthrough that may blind military radar systems

  • Researchers at academy of science believe electromagnetic wave model is key that will herald new era in radar detection and avoidance for military ships and aircraft
China’s J-20 stealth fighter. Photo: AFP
China’s J-20 stealth fighter. Photo: AFP
Chinese scientists have achieved a series of breakthroughs in stealth materials technology that they claim can make fighter jets and other weaponry lighter, cheaper to build and less vulnerable to radar detection.
Professor Luo Xiangang and colleagues at the Institute of Optics and Electronics, Chinese Academy of Sciences in Chengdu, Sichuan province, said they had created the world’s first mathematical model to precisely describe the behaviour of electromagnetic waves when they strike a piece of metal engraved with microscopic patterns, according to a statement posted on the academy’s website on Monday.
With their new model and breakthroughs in materials fabrication, they developed a membrane, known as a meta surface, which can absorb radar waves in the widest spectrum yet reported.
At present, stealth aircraft mainly rely on special geometry – their body shape – to deflect radar signals, but those designs can affect aerodynamic performance. They also use radar absorbing paint, which has a high density but only works against a limited frequency spectrum.

In one test, the new technology cut the strength of a reflected radar signal – measured in decibels – by between 10 and nearly 30dB in a frequency range from 0.3 to 40 gigahertz.

A stealth technologist from Fudan University in Shanghai, who was not involved in the work, said a fighter jet or warship using the new technology could feasibly fool all military radar systems in operation today.

“This detection range is incredible,” the researcher said. “I have never heard of anyone even coming close to this performance. At present, absorbing technology with an effective range of between 4 and 18 GHz is considered very, very good.”

China’s new radar system could spot stealth aircraft from at long range

The lower the signal frequency, the longer a radar’s detection range. But detailed information about a moving target can only be obtained with higher frequency radio waves. Militaries typically use a combination of radars working at different frequencies to establish lines of defence.

The Medium Extended Air Defence System, Nato’s early warning radar, operates at a frequency range of 0.3 to 1 GHz. The American Terminal High Altitude Area Defence system, the missile defence radar that caught Beijing’s attention when it was deployed in South Korea in 2017, operates at frequencies around 10 GHz.

Some airports use extremely short-range, high-frequency radars running at 20 GHz or above to monitor vehicle and plane movements on the ground, but even they might not be able to see a jet with the new stealth technology until it is overhead.

“Materials with meta surface technology are already found on military hardware in China, although what they are and where they are used remains largely classified,” the Fudan researcher said.

Professor Luo Xiangang. Photo: Baidu
Professor Luo Xiangang. Photo: Baidu

Luo and his colleagues could not be reached for comment. But according to the academy’s statement and a paper the team published in the journal Advanced Science earlier this year, the stealth breakthroughs were based upon a discovery they made several years ago.

They found that the propagation pattern of radio waves – how they travelled – in extremely narrow metallic spaces was similar to a catenary curve, a shape similar to that assumed by chains suspended by two fixed points under their own weight.

China tests stealth ‘invisibility cloaks’ on regular fighter jets
Inspired by catenary electromagnetics, the team developed a mathematical model and designed meta surfaces suitable for nearly all kinds of wave manipulation.
These included energy-absorbing materials for stealth vehicles and antennas that can be used on satellites or military aircraft.
Zhu Shining, a professor of physics specialising in meta materials at Nanjing University, said the catenary model was a “novel idea”.
“The Institute of Optics and Electronics in Chengdu has conducted long-term research in this area which paved a solid foundation for their discoveries. They have done a good job,” Zhu said.
“Scientists are exploring new features of metal materials, some of them are already in real-life applications.”
Source: SCMP

Posted in Advanced Science, aerodynamic, airports, American, blind, body shape, breakthroughs, catenary electromagnetics, Chengdu, Chinese Academy of Sciences, Chinese scientists, discovery, early warning radar, fabrication, fighter jets, Fudan University, ground, hail, incredible, Institute of Optics and Electronics, invisibility cloaks, J-20 stealth fighter, materials, Medium Extended Air Defence System, membrane, meta surface, Military, Nanjing University, NATO, paint, performance, plane movements, radar absorbing, radar systems, Shanghai, sichuan province, South Korea, stealth breakthrough, Terminal High Altitude Area Defence system, Uncategorized, vehicle movements, warship | Leave a Comment »

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