腮腺炎常引起血清淀粉酶增高.The blood amylase is usually elevated as a result of parotitis.淀粉酶 、 蛋白酶和其他不贵的大品种酶都是这样使用的.Amylase, proteases and other inexpensive bulk enzymes are used in this way.我们应确定糊精的值以便于存在时我们明确地评估淀粉酶的活性.Dextrin valu...
In the reaction of acetylation and nitration 1,2 ? dichloroethane was used as solvent.在乙酰化、硝化反应中引入了1,2-二氯乙烷溶剂.Polyurethane demulsifier for crude oil were prepared from polypropylene glycol, xylene, toluenediiso - cyanate...
Michel Foucault (1972), The Archaeology of Knowledge; hereafter this text will be abbreviated as AK.米歇尔·福柯（1972），《知识考古学》，下文简称AK。Digital archaeology is an intercross field raised recently, which integrates information tec...