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1)  available content
有效含量
2)  active matter content
有效物含量
3)  Available content
有效态含量
1.
The total content and the available content of heavy metals(Cu,Pb,Zn,Cr,Ni,Cd,As and Hg) in soils from main cities' suburbs of the Pearl River delta were analyzed.
分析了珠江三角洲主要城市郊区农业土壤的8种重金属Cu、Pb、Zn、Cr、Ni、Cd、As和Hg的全量和有效态含量。
2.
The state of heavy metal content of agriculture soil in Guangzhou suburbs (Haizhu District, Tianhe District, Huangpu District, Fangcun District, Baiyun District) was investigated, the total content and available content of 8 heavy metal elements (Cu, Pb, Zn, Cr, Ni, Cd, As and Hg) were analyzed and meatured.
调查了广州市郊区(海珠区、天河区、黄埔区、芳村区、白云区)农业土壤重金属的含量,分析测定了Cu、Pb、Zn、Cr、Ni、Cd、As和Hg 8种重金属元素的全量和有效态含量。
4)  effective solid content
有效固含量
5)  effective titanium content
有效钛含量
1.
The influences of six kinds of conditioning heat treatments and different effective titanium contents on the behavior of austenite grain coarsening were studied.
研究了6种预先热处理工艺及有效钛含量对18CrMmVB钢奥氏体晶粒长大行为的影响。
6)  available chlorine content
有效氯含量
1.
In order to study the factors influencing the storing stability of some chlorine-containing compound disinfectant solutions, their available chlorine contents before and after storing were measured with iodometric method.
为探讨部分含氯复方消毒液存放稳定性的影响因素,用碘量法检测存放前、后其有效氯含量。
补充资料:化妆品有效物含量测定
分子式:
CAS号:

性质:指对化妆品有效成分多少的检测,较常见的检测项目有:香波(含洗发膏)中有效物的含量,染发水中氧化剂的含量、冷烫液定型剂中双氧水的含量等等。有效物含量测定对保证一些化妆品的质量起着重要作用。如中国国家标准规定,合格的香波产品其有效物含量不得小于10%,而有效物含量过低的香波是很难具有清洁头发这一最基本的功能的。

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