A stepwise procedure for isolation and purification of lactoperoxidase by ultrafiltration and ion exchange chromatography was investigated.
采用超滤-子交换色谱
步洗脱法,对牛初乳中
乳过氧化物酶进行
和纯化。
A stepwise procedure for isolation and purification of lactoperoxidase by ultrafiltration and ion exchange chromatography was investigated.
采用超滤-子交换色谱
步洗脱法,对牛初乳中
乳过氧化物酶进行
和纯化。
Acid intensity of hydrosulfuric acid and stepwise ionization balance were discussed by the use of thermodynamic principle, which are helpful to inorganic chemistry teaching.
摘要本文应用热学原理对氢硫酸强度及逐级电
平衡进行
讨论,有助于无机化学教学和学生学习。
Bonita R.de Coutten M.Dwyer T Surveillance of risk factorsfor noncommunicable diseases:The WHO STEPwise approach. Summary. Geneva 2001
张文静.魏咏兰.贾勇.廖江.王琼.刘熹行为危险因素监测质量评价方法探索[期刊论文]-中国慢性病预防与控制2001(2
A stepwise carbochlorination-chemical vapor transport(SC-CVT) technique is proposed for separation of thorium from mixed bastnaesite-monazite concentrate.
以氟碳铈矿-独居石混合稀土矿为研究对象,采用步选择性碳热氯化-化学气相传输反应(SC-CVT),实现钍与其它稀土元素
。
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