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Last Updated, Apr 29, 2024, 1:05 PM
China science, technology news summary -- April 29
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BEIJING, April 29 (Xinhua) — The following is a summary of published science and technology news of China.

SPACE STATION HANDOVER

China’s Shenzhou-17 crew held a handover ceremony with the Shenzhou-18 crew and transferred the keys of the country’s space station to the latter on Sunday.

Up to now, the Shenzhou-17 crew has completed all planned tasks. The three astronauts will return to the Dongfeng landing site in north China’s Inner Mongolia Autonomous Region on April 30, according to the China Manned Space Agency.

LIQUID PROPULSION TEST

China has successfully completed an ignition test for its liquid-propellant engine with the highest thrust, according to the China Aerospace Science and Technology Corporation (CASC).

This marks a new breakthrough in the country’s liquid propulsion development. It is also the first-ever parallel ignition test of four large-thrust liquid oxygen (LOX) kerosene engines.

The 130-tonne class LOX kerosene engine, developed by the CASC, has a total thrust of over 500 tonnes. Compared to the currently operational 120-tonne class LOX kerosene engines, it not only boasts a larger thrust and better performance, but also a more compact structure, effectively enhancing the rocket’s carrying capacity.

DEEP SEA MICROBE

Chinese marine scientists have identified a plethora of previously unknown microbial natural products from the deep sea floor that may have pharmaceutical applications.

In the cold seeps of the deep sea, microbial communities thrive on the geological seepage of hydrocarbons and inorganic compounds for sustenance, in stark contrast to the sunlight-dependent ecosystems that people are more familiar with on the surface.

These organisms utilize biosynthetic gene clusters (BGCs) to synthesize natural products that help them contend for resources. These unknown natural products are believed to possess potent anti-microbial properties, which could be a game-changer in the fight against drug-resistant infections.

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