首先提取数百条DNA,然后用化学方法改变其形状,让它们在不同的点粘结起来。
First take a few hundred strands of DNA, then chemically alter them so they will bond at various points.
指出陶瓷刀具材料切削磨损时的基本机理仍然是磨料磨损、粘结磨损、化学反应与扩散磨损。
It is finally pointed out that the main wear mechanisms of the ceramic tool materials are still abrasive, adhesive, chemical reaction and dispersion wear.
利用环氧树脂胶粘剂粘结软质聚氯乙烯作为金属板材的内衬,通过电化学阻抗测试分析了聚氯乙烯内衬耐酸耐碱性能。
Soft PVC cemented with epoxy adhesives was used as the inside lining of the metal plate and its anti-corrosion performance was analyzed through the electrochemistry impedance test in this article.
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