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Chinese institute develops underwater robot for deep-sea surveys

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A remote-controlled underwater robot that can dive as deep as 6,000 meters has passed sea test and been delivered to its user, according to the Shenyang Institute of Automation (SIA) of the Chinese Academy of Sciences, the developer of the robot.

The Wenhai-1, developed for the Qingdao Institute of Marine Geology of the China Geological Survey, is the country’s first autonomous unmanned deep-sea probe that features functions such as wide-range autonomous cruise detection and precise remote control spot sampling, the SIA noted on its website.

During the sea test and application, the Wenhai-1 conducted 17 dive missions, during which it achieved high precision detection data near the seabed, the column samples of surface sediments and seabed organisms. Meanwhile, the precision measurement of the Earth’s gravity field and magnetic field has been realized, the SIA said.

The Wenhai-1 is designed to serve deep-sea scientific research such as marine environment surveys, biodiversity surveys, seabed geophysical surveys for specific targets, deep-sea extreme environment in-situ detection and deep-sea mineral resources surveys.

 

Source: Xinhua

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China to improve sci-tech services for rural population

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China will launch a national campaign to better mobilize the science and technology sector to contribute to the country’s rural revitalization drive, according to a new set of guidelines.

Jointly issued by the China Association for Science and Technology and the National Rural Revitalization Administration, the guidelines specify a series of key tasks, including providing sci-tech training, lectures and industry-specific guidance to rural areas.

Sci-tech associations at all levels are called on to lead grassroots sci-tech workers to join in the work of rural revitalization.

The guidelines also require the relevant authorities to incorporate the construction of science popularization facilities into the overall layout of rural infrastructure, expand the service coverage of mobile science popularization facilities and build more sci-tech museums in rural secondary schools.

Source: Xinhua

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China’s Tianzhou-3 cargo spacecraft re-enters Earth’s atmosphere

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Tianzhou-3, a cargo spacecraft that carried supplies to China’s space station, made a controlled re-entry into the Earth’s atmosphere at 11:31 a.m. on Wednesday (Beijing Time), according to the China Manned Space Agency.

Tianzhou-3 makes a controlled re-entry into the Earth’s atmosphere, July 27, 2022. /CFP

The Long March-7 Y4 rocket carrying the Tianzhou-3 blasted off at 3:10 p.m. (BJT) on September 20, 2021, from the Wenchang Spacecraft Launch Site in south China’s Hainan Province. It carried about six tonnes of goods, including food items and spacesuits, to the country’s under-construction space station. Six and a half hours later, the cargo spacecraft docked with core module Tianhe at 10:08 p.m. (BJT) on the same day.

A 3D simulation of the Tianzhou-3 cargo spacecraft docking with China’s space station. /China Manned Space Agency

The Tianzhou-3 separated from the space station core module Tianhe on July 17, 2022, after completing all assigned assembly tasks.

It is the third mission of China’s Tianzhou-class unmanned cargo spacecraft and the second resupply mission to the space station after Tianzhou-2.

Source: CGTN

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Shanghai firm receives urgent monkeypox virus test kit orders from WHO

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Shanghai-based ZJ Biotech has received many urgent purchase orders from the World Health Organization (WHO) for its monkeypox virus test kit, and the company is now aiming to provide more support for accurate diagnosis and containment of the disease.

The WHO on Saturday activated its highest alert level for the growing monkeypox outbreak, declaring the virus a Public Health Emergency of International Concern.

The test kit developed by ZJ Biotech can accurately identify monkeypox virus by measuring the gene segment of the virus by specific fluorescence method.

“Currently the best detection method for many infectious pathogens across the world is the nucleic acid test, which has an accuracy rate of over 95 percent. It can reach more than 99 percent for some individual diseases,” said Shao Junbin, chairman of Shanghai ZJ Bio-Tech Co., Ltd.

The monkeypox virus test kit manufactured by the company has been sent to 41 countries and regions around the world. Of these, 24 emergency orders from the WHO were sent to 21 countries, covering Africa, Europe, Oceania and Southeast Asia.

At present, the company is in close contact with the WHO and health institutions in many countries around the world, aiming to provide support for accurate diagnosis and containment of the disease.

Source: CGTN

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