其中管式离心机属国内先进机型, 靠近国际水平.One tube is a domestic advanced centrifuge model, close to international standards.公司拥有属国外首创,具有国际先进水平的新型运输包装箱--刚性中型散装容器.The company supplies pioneer and advanced new - type packing boxes of bulk ca...
Result: In optimal conditions, the yield of n - butyl gallate was over 93.8 %.结果: 在最佳实验条件下没食子酸正丁酯收率达93.8%.Iso - army gallate was synthesized by esterification of gallic acid with iso - army alcohol catalyzed by 4 - methy...
对于某些均质刚体不用积分算出其转动惯量的表示式.The rotational inertia of some uniformed bodies is obtained without doing integral.由 NDVI ATI空间看出, 随着植被覆盖增加,表观热惯量有增加的趋势.In NDVI - ATI space, ATI increases with the increase of NDVI.对于转动惯量未知的情形,设计了...
我们用螺旋钻在冰上钻洞。We make a hole in the ice with an auger.螺旋钻在一刻不停地挥舞着.Drills were set to work without intermission.'螺旋'.''钻,木螺钻一种用于在木头或冰上''.'钻孔'. ''的工具.A tool for boring holes...