Aim To study the synthetic method for the glutaric dialdehyde.目的研究戊二醛的新合成方法.The cross - linking reaction between dialdehyde compound and cellulose acetate raises the chemical stability of the material.通过二醛类与醋酸纤维素类材料的交联反应...
直到二十世纪五十年代,结核病仍然使人不寒而栗.As late as the 1950 s tuberculosis was still a threat.肝肉芽肿多由肉样瘤病及结核病引起.Hepatic granulomas most commonly due to sarcoidosis and tuberculosis.方法:分析总结了36例免疫抑制并发结核病的临床资料.Methods 36 clinical datum of im...
这些分子链彼此缠绕，形成缆线状的结构。These strands of molecules twine around each other to form cable-like structures.此外我们也在研究线状的染色体与线状质体在接合生殖过程中如何地传送.We are also studying how the linear chromosomes and plasmids are transferred during con...
The eradication of an established infestation is not easy.根除昆虫蔓延是不容易的.In the past century, eradication efforts failed against hookworm , yellow fever and malaria.在过去的几个世纪, 对付钩虫,黄热病, 和疟疾的效果失败.This is often required for in...
他的话值得玩味.It is worth while to ruminate over his remarks.他吸了一口烟,同时玩味着听众脸上那种好奇的神情,他们正在考虑这种意想不到的开场白.He drew on his cigarette and savoured his listeners'curious looks as they pondered this unexpected opening.Gemini双子座(伴着...