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China's new-type airship "Yuanmeng" successfully launched future or suborbital satellites
Time of Update: 2022-11-19
Data map: From China Aviation News This is the world's first near-space airship flight with sustained power, controlled flight, and reusability capabilities, and the first flight to provide commercial services to corporate and individual users.
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From butadiene to BDO, accelerate the layout of the biodegradable market
Time of Update: 2022-08-28
" On July 20, Li Yansheng, chief engineer and chief scientist of Wison Engineering, and a master of engineering survey and design in the petroleum and chemical industries, analyzed in detail the current situation and future trends of the world's fast-growing butadiene demand led by China, and focused on Wison The technology independently developed by the project for oxidative dehydrogenation of butene to butadiene (including supporting catalysts) and the production of BDO from butadiene have broad market prospects .
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The rise of smart cars: automotive plastics may usher in a new climax of development
Time of Update: 2022-08-17
In recent years, the automobile industry has been developing in the direction of light weight, intelligence, automation, and environmental protection, and new concept cars have gradually entered practical applications from theory .
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[Guideline Consensus] Elderly Perioperative Guidelines (2020 Edition)·Management of Myocardial Ischemia Injury and Stroke
Time of Update: 2022-01-10
However, patients who have not used β-blockers for a long time before surgery are not recommended to use large doses during the perioperative period, otherwise it may increase the incidence of stroke and mortality .
