In the specific case of power tools, polyamides are used in housings where in combination with part designs they play a critical role in meeting structural and protective criteria.
2
该制备酰胺的方法具有原料易得、反应条件温和及操作步骤简捷等优点。
The advantages of the method are mild reaction conditions, simplified operational procedure and the raw materials easy to get.
3
在浸没循环撞击流反应器中，以硝酸钙和磷酸钠为原料、乙酰胺为分散剂，采用水热法合成了纳米羟基磷灰石。
Nano - hydroxyapatite was synthesized by hydrothermal method in the submerged circulating impinging stream reactor, using calcium nitrate and sodium phosphate as reactants and acetamide as dispersant.
点击反馈