Calcium is excreted in the urine and stools.钙通过尿液和粪便排出体外。The larvae may be excreted in the faeces.幼虫会连同粪便排出.Most toxins are naturally excreted from the body.大部分毒素被自然排出体外....
Anhydride - type curing agents require the application of heat to promote polymerization.酸酐类固化剂则要求加热以促进聚合反应.Exothermic reaction can be reduced by adding hexahydrophthalic anhydride to the phthalic anhydride.用六氢化邻苯二酸酐加入到邻...