reagent dosage

The different degradation efficiency of ultrasonic cavitation combined with Fenton reagent is studied affected by such factors as the different Fenton reagent dosage, the initial pH value, the different initial COD_ ( cr) concentration, and the different sound energy density.

研究了不同Fenton试剂的用量、不同初始pH值、不同初始COD（cr）质量浓度、不同声能密度条件下，超声空化与Fenton试剂联合作用降解废水中有机物的效果。

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To wipe off most ammonia-nitrogen in leachate, firstly we will find the better reaction reagent by chemical sedimentation experiment and make sure the optimal dosage and reaction conditions gradually though orthogonal technical processing.

本课题首先通过化学沉淀实验寻找较优反应试剂，并通过正交实验逐步确定其最佳用量及各反应条件，以去除渗滤液中大部分氨氮；

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The effects on superfine silver average diameter of reagents' concentration, reacting temperature, stirring rate, reagent drop rate, surface protecting reagent dosage were studied through single factor experiments.

试验通过单因素条件研究了反应物浓度、反应温度、搅拌速度、反应物滴加速度、分散剂用量等工艺因素对银粉粒径、形貌的影响。

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Cefixime is characterized by broad spectrum, long half life period, less cross resistance to chemical reagent, small use dosage and wide scope of application.

头孢克肟抗菌谱广、半衰期长、交叉耐药性小、用药剂量小、适应症广泛。

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The terminal allylation reaction was studied which was influenced by reaction time, reaction temperature, category and dosage of allylation reagent and molecular weight of polyether.

其次对双羟基聚醚的端烯丙基化反应进行研究，讨论了反应时间、反应温度、聚醚分子量、烯丙基化试剂的种类和用量对反应的影响。

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After a series of reagent conditional tests, it is determined that taking water glass and CMC as depressant, butyl xanthate as collector, pine oil as frother, and the best reagent dosage is also determined.

经过一系列的药剂条件试验，最终选取水玻璃、CMC作抑制剂，丁黄药作捕收剂，2油作起泡剂进行试验，并确定了药剂的最佳用量。

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The effect of the magnetic reagent dosage, pH value and activator upon the magnetic susceptiblity of the magnetic activated carbon were studied.

通过对磁化剂用量、pH值、活化剂等因素对椰壳磁性活性炭磁化率影响的研究。

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It is indicated that adoption of microwave digestion simplifies the determination operation, reduces the reagent dosage, and greatly shortens the sample treatment time. This procedure is fit for determination of phosphorus element content in foods.

使用微波消解炉，实验结果表明：该法操作简单、试剂用量少、重现性好，用微波消解技术大大缩短了样品前处理的时间，适于食品中磷元素含量的测定。

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Alkalization reagent dosage is about 1/ 50 of general industrial sodium Instrument.

碱化剂用量仅为常规工业钠表的1/50左右。

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Experiments Cu and Zn content and related data in the literature are basically the same, the method can get better accuracy, but also has small labor intensity, less reagent dosage, short testing period etc..

实验得到的金属Cu和金属Zn的含量和相关文献中的数据基本一致，该方法能够得到较好的准确度，而且具有劳动强度小，试剂用量少，检测周期短等优点。

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The reagent dosage standard in the granule analysis test of sand Liquefaction

砂土液化中颗粒分析试验试剂用量标准的研究

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The mineral recovery rate, the final concentrate quality, auxiliary reagent dosage of uniform, flotation machine production capacity, mineral processing time, energy, etc. in ore dressing process have important influence on the pulp density.

矿浆浓度是选矿过程中的一个重要参数，对选矿工艺过程中的矿物回收率、最终精矿质量、辅助药剂用量的衡定、浮选机的生产能力、选矿时间、耗能等方面有重要影响。

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The analytic conditions such as determinating wavelength, Berthelot reagent dosage and colour-developing time were selected.

进行了波长、贝特洛试剂用量及显色时间等分析条件的选择。

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The optimum process conditions of surface modification of wollastonite were suggested as follows: modification reagent stearic acid, modification reagent dosage 2%, modification time 15~ 20 min, modification temperature 70 ℃.

通过对超细硅灰石粉体的表面化学改性效果的研究，确定了最佳工艺条件：改性剂为硬脂酸，改性剂用量2%，改性时间15~20min，改性温度70℃。

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