CHINA DAILY | HONG KONG EDITION Thursday, July 8, 2021 | 5 CHINA Eco Forum Last Tianlian I satellite placed in orbit to focus on

Network used to relay signals between gation Satellite System. the Tianlian I series and Tianlian ty of space functions such as ren- low-carbon China began to establish its II-01. Sources close to the system’s dezvous and docking between spacecraft and ground control stations space-based data relay system in development said Tianlian II-02 spaceships and space stations, vid- April 2008 when the first satellite and Tianlian II-03 will be deployed eo links between astronauts and transition By ZHAO LEI said in a statement that the satel- in the Tianlian I series was soon. people on the ground, and data [email protected] lite was the fifth and last member launched from Xichang. Tianlian Compared with the first-genera- transmission for Earth observa- By Li Hongyang of the Tianlian I fleet, the nation’s I-01 is still operating, having signif- tion model, Tianlian II satellites tion, weather and other low-orbit [email protected] China launched the last satellite first-generation data relay space- icantly outlived its designed life feature stronger capabilities, heav- satellites. in its Tianlian I relay spacecraft craft. span. ier carrying capacity and longer On June 23, a video call between An ecological protection forum in series late on Tuesday night, which It is expected to work for at least In July 2012, China became the life spans, according to Zhao Hong, President Xi Jinping, who is also Guiyang, Guizhou province, on also marked the finale of the coun- seven years. Its service will second country, after the United chief designer of Tianlian II-01. general secretary of the Commu- Monday and Tuesday will focus on try’s DFH-3 satellite platform. improve the country’s capability to States, to possess non-stop relay “Because of its newly developed nist Party of China Central Com- low-carbon transition. A Long March 3C carrier rocket relay signals between satellites capability for its space-based infra- antennas, the data transmission mittee, and the three Chinese With the theme “Low-carbon blasted off from the Xichang Satel- and ground control, it said. structure after Tianlian I-03 was speed of the new-generation type astronauts on board the country’s Transition, Eco-Development — lite Launch Center in Sichuan Tianlian I-05 is the last space- deployed into space to join its two is twice that of the first genera- first space station was connected Building A Life Community of province at 11:52 pm and then craft developed on the DFH-3 predecessors to form a basic sys- tion,” Zhao said, adding that Tian- through Tianlian II-01, Wang said. Human and the Natural World placed the Tianlian I-05 satellite satellite platform, which was tem with global coverage. lian II satellites can serve more In addition, the system has pro- Together”, the forum will revolve into a geostationary orbit, said designed in the mid-1980s. The In March 2019, China launched spacecraft and have a larger opera- vided long-distance tracking and around topics including the United China Aerospace Science and first DFH-3-based satellite was Tianlian II-01, its first second- tional range. data relay service to long-range air Nations 2030 Sustainable Develop- Technology Corp, the country’s launched in September 1994 and generation data relay satellite. Wang Jiasheng, chief engineer traffic, experimental hypersonic ment Agenda, China’s goals of leading space contractor. 40 others have followed, includ- The Tianlian network currently of the Tianlian II series, said the aircraft tests and scientific ocean achieving peak carbon in 2030 and The State-owned conglomerate ing many in China’s Beidou Navi- consists of six spacecraft — five of Tianlian system has served a varie- expeditions, he said. carbon neutrality in 2060, and the national development strategy for the Yangtze River Economic Belt, according to its website. Back to nature The Eco Forum Global Guiyang, Lone elephant sent first held in 2009, will highlight the green economy, trade and products this year to encourage investment in back to home reserve related industry, it added. This year’s forum will be jointly hosted by the ministries of foreign By YANG WANLI health in the long run.” affairs, natural resources, and ecolo- [email protected] He said transferring the ele- gy and environment, and Guizhou’s phant was necessary and an inter- provincial government. Twenty-two A male Asian elephant that nationally recognized practice. subforums will include topics on the strayed from its wild herd a month The elephant was sedated with a 14th Five-Year Plan (2021-25), green ago was returned to Xishuangban- blow dart, lifted in a cage onto the and clean energy, the development na National Nature Reserve in back of a truck and returned to the of new energy and the lithium bat- southwestern China’s Yunnan nature reserve at 3 pm. The com- tery industry, Sino-Swiss Dialogue province on Wednesday after- mand office said it was in good 2021, green finance and low-carbon noon. physical condition under general transition. It left Xishuangbanna last year anesthetic administered by a staff In 2015, President Xi Jinping said with 16 other elephants and the member from the Xishuangbanna the forum should deepen interna- herd headed north. Two of the ele- Asian Elephant Rescue and Breed- tional exchanges and cooperation phants returned to the nature ing Center. on environmental protection, the reserve early this year. The center, established in 2002, response to climate change and oth- After traveling more than 500 has saved 24 wild elephants. er areas. kilometers, the male elephant left “It’s common for a subadult During a visit to Guizhou in Feb- the herd on June 6. The other 14 male elephant to leave the herd. ruary, Xi emphasized the forum’s are still roaming in Xinping coun- We gave it comprehensive consid- status as a State-level international ty, according to the command eration and agreed that the best forum on ecological civilization. office in charge of monitoring place for him is his original habitat Lu Yongzheng, head of the Public- their movement. in Xishuangbanna,” said Shen ity Department of the Guizhou The male elephant had stayed Qingzhong, an engineer from the Animal workers release a Tibetan antelope into the wild at a wildlife protection center in Hoh Xil, Committee of the Communist Party alone on the outskirts of Kunming, nature reserve’s management Qinghai province, on Wednesday. They also released four others. The Tibetan antelope population in of China, told a news conference on the provincial capital, and the office. the area has risen to around 70,000 after decades of protection. zhang long / xinhua Wednesday that Guizhou recogniz- neighboring city of Yuxi for 32 During the elephant’s journey es deeply that its greatest competi- days, and had been about 72 km back to Xishuangbanna, Shen said tive advantage lies in its excellent from the herd. its safety was guaranteed by police environment. On July 5, it entered Yuxi’s Zan- officers and veterinarians. “Before “We have elevated big ecology as batang community, only 300 it was released to the wild, we con- one of three major strategic meters from an expressway and ducted a health exam and made Parents of Henan quadruplets actions,” he said, with the other two 200 meters from the Kunming- sure it was healthy,” Shen said. being rural vitalization and big Yuxi Intercity Railway. The Asian elephant, which is data. “Due to safety concerns and to included on the International could face fine for policy breach In 2016, the central government prevent the risk of conflicts Union for Conservation of made Guizhou one of the country’s between the elephant and people, Nature’s Red List of Threatened first ecological civilization experi- we decided to capture the ele- Species as “endangered”, enjoys By SHI BAOYIN in Zhengzhou “Actually, the family thought ment staff member surnamed Fan mental zones. phant early on Wednesday morn- Class-A protection in China, the and YE ZIZHEN about an abortion when they told Beijing News. “We are consid- Lu said that the province has been ing,” said Xie Yi, a professor from same level afforded the giant pan- learned the wife was carrying ering consulting with the Henan transforming energy structures, Beijing Forestry University. da. The birth of rare all-male quad- quadruplets. They are not wealthy, Provincial Health Commission on with clean energy accounting for He said that after long-term Yunnan is the sole habitat of ruplets into a Henan family that plus cesarean delivery can be dan- Wang’s case,” he added. 52.9 percent of energy production, observation, an expert team con- wild Asian elephants in China. already had two girls has sparked gerous for the mother,” said Kang Wang Guangzhou, a researcher 8.1 percentage points above the cluded the elephant was unlikely Before the 1970s, the species was discussion on whether the large Guoliang, director of Dancheng with the Institute of Population national average. to reunite with the herd, and that threatened due to a number of fac- family should be fined, given that Women and Children’s Hospital. and Labor Economics at the Chi- Energy consumption per unit of limited natural food resources in tors, including a surge in the the national third-child policy has Since the prenatal indicators nese Academy of Social Science, GDP dropped by 24.3 percent during the area increased the risks of the human population, shrinking for- not yet been implemented. were normal, the couple decided to said that although the details of the the past five years, among the best animal coming into conflict with est areas and illegal hunting. The The quadruplets were born in keep the babies. third-child policy have not been performances in the country, he said. people. number of elephants dropped sig- Dancheng county in Zhoukou, He-­ But along with the happiness of officially implemented, theoreti- By 2025, Guizhou plans to Chen Mingyong, a science pro- nificantly. nan, on June 29. Their father includ- welcoming four sons into the fami- cally speaking, it’s not proper to fol- increase its forest coverage rate from fessor at Yunnan University who However, due to determined ed Fan, Rong, Chang and Sheng, ly, Wang faces the possibility of low the old second-child policy in 61 percent to 63 percent, Lu said. has studied wild Asian elephants protection efforts in recent dec- four words that when combined being fined for their birth. local practice. “More efforts will be made to for years, said the 10-year-old male ades, the Asian elephant popula- mean prosperous, in their names. On May 31, China announced Considering the family’s practi- restore the ecology of the Chishui elephant would have faced great tion in China has risen to 300 from They were the first quadruplets the third-child policy, allowing all cal difficulties, along with the and Wujiang rivers and other challenges far from its habitat and 170 in the 1970s. to be born in the county. Both the couples to have up to three chil- babies’ growth, Mu Guangzong, a important river basins as well as alone. mother and the babies, weighing dren, to cope with the problem of demographer at Peking University, concentrated zones with mineral “The constant rain and low tem- Hou Liqiang and Li Yingqing from 1.7 to 1.9 kilograms, are safe an aging society. It replaced the suggested comprehensive govern- resources,” he said. peratures, together with the limit- contributed to this story. after the delivery by cesarean sec- universal second-child policy, ment support was needed. “We will try our best to create ed natural food resources, would tion. which was released in 2016. “Having quadruplets is a small- demonstration areas of green barri- make it very difficult for him to Online Their father, Wang Yuxi, said doc- Although the central govern- probability incident, giving birth ers in the upper reaches of the Yang- find a proper habitat for a long- See more by tors told him the probability of hav- ment has released the third-child and raising the children needs the tze and the Pearl rivers, green term stay,” he said. scanning the ing all-male quadruplets was one in policy, the Dacheng county health involvement of both the household development in the west, ecological “Although we’ve been feeding it, code. 3.52 million. He and his wife already department has not yet received and the government,” Mu said. poverty alleviation, legal construc- the method is not good for its have two daughters, one in primary the relevant policy document, tion of ecological civilization, and school and the other only 1, and he meaning the second-child policy is Contact the writers at international exchanges and coop- wanted a boy on the third try. still in place in the county, a depart- [email protected] eration for ecological civilization.” Hot hands, cool feet Study finds virus antibodies last at least 12 months

By Wang Xiaoyu ary, and the National Research responses against the novel coro- ence of antibody response in [email protected] Center for Translational Medi- navirus are induced in human recovered COVID-19 patients. cine at Shanghai Jiao Tong Uni- bodies, antibody levels can be The finding was published as Antibodies against the novel versity. maintained for quite a long time,” mass vaccination in China pro- coronavirus can last for at least 12 Researchers collected 1,782 China National Biotech Group ceeds smoothly, with the country months in more than 70 percent convalescent plasma samples said in an article on its WeChat stepping up vaccine donations or of recovered COVID-19 patients, a from 869 recovered COVID-19 account on Wednesday. sales overseas. study published by Chinese patients in Wuhan, Hubei prov- The study found that the anti- As of Tuesday, about 1.3 billion researchers on Tuesday shows. ince, within 12 months of diagno- body response was significantly doses of vaccines had been The finding adds to growing sis, and tested them for the stronger in male participants administered nationwide, the evidence that vaccination, which presence and amount of RBD- than in their female counterparts National Health Commission said elicits an immune response in a IgG, a type of antibody that indi- in the early stages of infection, on Wednesday. way similar to how a live virus cates the strength of immunity but the difference dwindled over China National Biotech Group triggers human bodies to gener- against the virus. time and nearly disappeared in 12 added that the study will help ate antibodies, can “effectively Testing results showed that in months. improve understanding of the restrict the spread of SARS- nine months, levels of the anti- Among participants aged 18 to immunological memory elicited CoV-2”, the study said. body dropped to 64.3 percent of 55, the older ones developed high- by the virus, and provide gui- People play mahjong while cooling their feet in water to dodge The study, published online by the initial level when they con- er antibody levels, it added. dance on future research into vac- the heat in Chengdu, Sichuan province, on Wednesday, which Nature Communications, was tracted the virus, and then stabi- The company said the study is cine-induced immunity and marked the Minor Heat, a traditional Chinese solar term. conducted by China National Bio- lized into the 12th month. the longest-running research future vaccination policies in Chi- AN YUAN / CHINA NEWS SERVICE tech Group, a Sinopharm subsidi- “It shows that once immune aimed at examining the persist- na and abroad.