Year: 2020

Team at China University of Science develops isotropic biomimetic wood (“RGI-wood”) without using adhesives or formaldehyde

The team of YU Shuhong, Academician of the CAS, has utilized natural cellulose nanofibers from wood chips and other biomass to construct a high-performance artificial wood with an isotropic flexural strength of up to 170 MPa and a bending modulus of about 10 GPa, far exceeding the mechanical strength of natural solid wood. To this end, wood sawdust was surface-eteched and oxidized using TEMPO, followed by Ca2+-mediated intercalation and hot pressing. The resulting material showed excellent fracture toughness, high compressive strength, hardness, impact resistance, dimensional stability, and flame retardancy superior to that of natural wood. By incorporating carbon nanotubes into the nano-network between wood particles, it was possible to obtain conductive wood that can be self-heated at low voltage. National Science Reviews https://doi.org/10.1093/nsr/nwaa230

By the end of 2020, China’s 5G stations exceed 700,000

According to the Ministry of Industry and Information Technology MIIT, by the end of 2020 China had installed more than 718,000 5G base stations and 330,000 more under construction. Within the 512 projects of “5G + Industrial Internet”, there are presently over 1,100 related projects under development. Japan JST China news, December 17, 2020

China Southwest Oil reports > 30 billion m3 of gas production in Sichuan in 2020

China Oil Southwest Oil and Gas Field Co. since 1958 has developed 114 gas fields with more than 2,300 gas wells in the Sichuan Basin. Cumulative natural gas production was over 500 billion cubic meters. As a leading developer of natural gas in the Sichuan Basin, the company has recently built three 10 billion m3-class areas. Annual production of shale gas will exceed 10 billion cubic meters this year. Japan JST China news, December 14, 2020

92.5% of China’s primary and middle schools have multimedia classrooms

The network connection of primary and secondary schools nationwide rose to 99.7% from 69.3% in 2015. All schools even in the 52 poorest counties have now been networked, and 99.7% of schools have reached 100Mbs communication speed. Multimedia classrooms have been installed in 95.2% of primary and secondary schools. The number of terminals uniformly deployed by schools to teachers and students is 10.6 million and 17.03 million, respectively. Japan JST China news, December 11, 2020

Chinese Covid-19 vaccines delivered to several foreign countries

A report in China Daily on the export of Covid-19 vaccines provides the following status. Turkey: Sinovac vaccine, 3 million doses delivered, 50 million doses by end of February 2021 Bahrain: Sinovac vaccine, vaccination of adult population started United Arab Republic: CNBG vaccine, late-stage clinical trials Brazil: Sinovac vaccine, late-stage clinical trials with 13,000 volunteers, 46 million doses ordered for first half of 2021, negotiation for 100 million more doses Mexico: CanSino Biologics vaccine, submitted for regulatory review Egypt: “first batch of vaccine received on Dec. 11”, China Daily, December 26, 2020

CAS establishes research center for carbon neutrality research

The center will be installed at the CAS Institute of Atmospheric Physics, Beijing. Its task will be to assess possible ecological engineering options and scientific approaches to transform the energy structure. China has announced that it will strive to bring carbon dioxide emissions to a peak before 2030 and become carbon neutral before 2060. Xinhua news release, December 25, 2020

Wharf in Zhuhai starts building unmanned smart mothership for remote controls

The remote-controlled and self-navigating scientific research vessel, to be launched by CSSC Huangpu Wenchong Ship Co., Ltd. in 2022, will be able to cooperate with unmanned submersible systems. Its mission will be in marine disaster prevention and mitigation, submarine surveying, marine environment monitoring, offshore wind farm maintenance, etc. Furthermore, it will provide accurate marine information services for national marine business and regional social and economic development. Japan JST China news, December 23, 2020

China’s top political advisory body discusses AI ethical rules

The Chinese People’s Political Consultative Conference (CPPCC), China’s top political advisory body, recently held a seminar on the ethical and legal issues related to AI development. Topics were the potential ethical and legal risks that arise with AI technology, formulation of relevant laws in areas such as face recognition, speech synthesis and autonomous driving, and research on data property rights. Responsibilities of enterprises in protecting individual information and privacy are to be strengthened, and international cooperation in formulating universal AI ethical rules will be promoted. Xinhua news release, December 23, 2020

Ethiopia launches second satellite from China’s Wenchang launch pad

The 8.9 kg satellite abbreviated as ET-Smart-RSS was co-designed by the Ethiopian Space Science and Technology Institute (ESSTI) in collaboration with Chinese experts and is capable to take high-resolution pictures. In December 2019, Ethiopia, in cooperation with China, launched its first satellite. The 72 kg multi-spectral remote sensing satellite, stationed in a 700 km orbit, is monitoring environment and weather patterns for better agricultural planning, drought early warning, mining activities and forestry management of Ethiopia. Xinhua news release, December 23, 2020

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