建材
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《物wù质zhì》近jìn期qī发fā表biǎo的de一yí项xiànɡ研yán究jiū指zhǐ出chū，科kē学xué家jiā们men用yònɡ聚jù球qiú藻zǎo（一yì种zhǒnɡ蓝lán细xì菌jūn）制zhì成chénɡ了le建jiàn材cái。他tā们men将jiānɡ沙shā子zi、明mínɡ胶jiāo和hé一yì些xiē营yínɡ养yǎnɡ物wù质zhì，与yǔ活huó的de聚jù球qiú藻zǎo混hùn合hé在zài一yì起qǐ，然rá
学苑创造·A版 2020年4期2020-04-24
- EXACT SOLUTIONS FOR THE CAUCHY PROBLEM TO THE 3D SPHERICALLY SYMMETRIC INCOMPRESSIBLE NAVIER-STOKES EQUATIONS∗
ZHANG(张建材)Department of Applied Mathematics,College of Science,Zhongyuan University of Technology,Zhengzhou 450007,ChinaE-mail:mathzhangjianlin@hotmail.comYuming QIN(秦玉明)Department of Applied Mathematics,Donghua University,Shangh