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1)  test of available silicon
有效硅测定
2)  Determine the validity period
有效期测定
3)  effective constituent determination
有效成分测定
1.
This paper discusses biology, cultivation, processing, effective constituent determination, pharmacology and application of Gastrodia elata B1.
通过“数字化期刊”检索有关天麻的文献 ,归纳整理 ,概述了天麻的生物学特性和栽培、加工、有效成分测定、药理作用、开发利用的现状和存在的问题 ,以供进一步研究。
4)  available silicon
有效硅
1.
This paper carried out a systematic pilot study on the process of the thermal activation of available silicon from coal gangue,and the influence of temperature was examined.
以陕西省韩城矿区11#煤层夹矸型高岭岩为研究对象,于500℃~1300℃范围内的7个温度段进行了煅烧实验,考察了煅烧温度对提取有效硅的影响,并采用X射线衍射(XRD)和差热(DTA)等分析方法深入地了解了煤矸石热活化过程的变化。
2.
The content and distribution of available silicon, grain size,clay minerals in the soil,pH of soil solution,and silicon solubility in the weathering process were studied by means of XRD,grain-size analysis and simulating experiment on soil weathering.
利用XRD、粒度分析、土壤风化模拟试验等方法,对黄土区土壤有效硅含量分布、土壤机械组成、粘粒矿物种类及含量分布、土壤溶液pH值和土壤矿物风化过程中硅的析出规律进行研究。
3.
Pot experiments were conducted to study the effects of applying three kinds of blast furnace slag, a by-product from ironworks, as silicon fertilizer, on soil pH, content of available silicon in paddy soil, and silicon content in rice plant, with an acidic paddy soil in northern region of China.
结果表明,在北方酸性水稻土上施用高炉渣可以提高土壤pH,增加土壤有效硅含量,促进水稻对硅素养分的吸收。
5)  available silicone
有效硅
1.
Experiment research on available silicone extracted from coal refuse;
从煤矸石中提取有效硅的研究
2.
Determination on available silicone for silicone fortilizer by oxalic acid-sulfuric acid silicone-molybdenum blue spectrophotometric method, overcome the inadequate of others method.
采用草酸—硫酸亚铁硅钼蓝分光光度法,测定硅肥中有效硅含量,克服了其它方法的不足,试验结果满意。
6)  determination of silicone
测定硅
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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