buffer solution

General formulas of acid base titration curve, complexometric titration and general formulas of buffer solution of mixed acides index are introduced.

介绍了酸碱滴定曲线通用计算公式、络合滴定通用计算公式、氧化还原滴定通用计算公式、混合体系缓冲容量的通用算法以及这些公式在图形处理中的应用。

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Investigation on the Theory Studies of Potentiometric Buffer Solution

关于电位缓冲溶液的理论初探

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Accuracy of analysis results was improved by buffer solution as the acidifier.

改用缓冲溶液作为酸化剂,提高了分析结果的准确性.

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The mice in the control group were injected with citrate buffer solution.

对照组单纯用等量柠檬酸盐缓冲液注射.

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Liquid Reactive Red K-2BP was prepared, and effect of variety and dosage of buffer solution on concentrated liquid dye was investigated through measuring the stability and hydrolysis of liquid dye.

以活性红K-2BP配制液体染料，通过测试液体染料的稳定性及耐水解性能，综合考察了缓冲溶液的种类及用量对高浓度液体染料各方面性能的影响。

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The melamine wastewater sample is distillated in the phosphate buffer solution, the emitted ammonia is absorbed, and its content is determined by acid-alkali titration.

在磷酸盐缓冲溶液中加热蒸馏三聚氰胺废水样品，逸出的氨被吸收后通过酸碱滴定测定其含量。

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A glycan protein complex ( GLM A) was isolated from the Ganoderma lucidum with phosphate buffer solution at 80 ℃.

用磷酸盐缓冲液在80℃时从灵芝菌丝体中提取出多糖-蛋白质缀合物LM-A。

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Experimental results indicate that Fe~ ( 3+) and Mn~ ( 2+) can not be simultaneously determined by photometric method with 5-Br-PADAP as color reagent in single buffer solution.

显色条件实验表明，Fe3+和Mn2+在单一组分的不同缓冲溶液体系中不能与显色剂同时显色。

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A solution which resists pH changes is known as a buffer solution.

能够阻止pH值变化的溶液称为缓冲溶液.

词典精选例句

The interaction between alizarin yellow R ( AYR) and proteins in Britton-Robinson ( B-R) buffer solution was studied with electrochemical method.

以电化学方法研究了在pH3.2的Britton Robinson（BR）缓冲溶液中茜素黄R与蛋白质的相互作用。

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A C8 column was used with the mobile phase of acetonitrile-0.025mol/Ldiammonium phosphate buffer solution ( pH 4.7)( 27 ∶ 73).

采用C8柱，流动相为乙腈-0.025mol/L磷酸二氢铵缓冲液（27∶73）。

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Aluminium can react with 5-bromine salicyl fluorone and brominated 16 alkyl pyridine to make red ternary clathrate when 6 methenyl 4 amine buffer solution exists.

本文阐述了在pH5.5～6.5的六次甲基四胺缓冲溶液条件下，铝可与5-溴水杨基荧光酮，溴化十六烷基吡啶反应生成红色三元络合物，显色稳定，重现性良好。

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Furthermore, In vitro, the nutrient digestibility was influenced by some factors such as feedstuffs characteristics, sample particle, enzyme activity, enzyme concentration, stirring frequency, stirring time, incubating temperature and buffer solution pH.

体外养分消化率受样品的物理化学特性、样品的粒度、酶活性、酶浓度、底物浓度、pH、温度、动态时间及体外技术等综合因素影响。

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Effects of temperature, buffer solution, pH and the buffer solution concentration were observed.

研究了温度、缓冲体系、缓冲溶液浓度和pH值对电极的影响；

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The selectivity of the electrode and the influence of temperature, pH and buffer solution on the electrode signal were investigated experimentally, the optimal test conditions were obtained.

研究了电极的响应曲线、线性范围、选择性、寿命及其工作条件等特性。

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Buffer Solution usually containing a weak acid and its conjugate weak base, or a salt, of such a composition that the pH is held constant within a certain range.

缓冲溶液化学术语。通常指含有一种微酸和与之结合的一种微碱或盐，并能维持酸碱值基本恒定的溶液。

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The electrochemical behaviour and the current property of the entitled complex have been investigated in NH_3 · H_20-NH_4Cl buffer solution ( pH 9. 5) containing EDTA and diphenyl guanidine. The mechanism of related reactions has been discussed.

本文研究了铍（Ⅱ）-钍试剂Ⅱ在EDTA、二苯胍、氨-铵缓冲溶液（pH9.5）中的电极行为和电流性质，并对有关机理进行了探讨。

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A kinetic spectrophotometry for determining trace vanadium in environment has been established, which is based on the catalytic effect of vanadium on the oxidation of o ─ phenlonediamine with potassium bromate in the presence of activator pyrocatechol in KHP ─ HCl buffer solution.

基于V（v）在KHP&HCl缓冲溶液中，邻苯二酚活化剂存在下，对溴酸钾氧化邻苯二胺的催化作用，建立了一个测定环境样品中痕量机的催化动力学光度法。

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Acetonitrile-ammonium acetate buffer solution ( 40: 60) as the mobile phase, and 343 nm as detective wavelength.

流动相：乙腈-醋酸铵缓冲液（40：60）；检测波长343nm。

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AIM To study the electrochemical behavior and reduction mechanism of meloxicam ( MLX) in acetate buffer solution. A new method for the determination of MLX was established by adsorptive stripping voltammetry.

目的研究美洛昔康（meloxicam，简称MLX）的电化学行为和电极反应机理，拟定了测定MLX的吸附伏安法。

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Methods: The polycondensation of amino acids in liposome system as well as in aqueous buffer solution was started from amino acid-N-carboxyanhydrides ( NCAs).

方法：活化氨基酸的聚合反应在囊泡体系和对照缓冲溶液中进行，反应产物用高效液相色谱-质谱联用仪进行分离检测。

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A new route of MTX degradation was found when-MTX was kept in phosphate buffer solution at 25 ℃ for 3 months in the absence of light.

pH7的磷酸盐缓冲溶液中的MTX，25℃避光条件下，是以一种新的途径降解。

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Based on the catalysis of nitrite on oxidation of brilliant green by potassium bromate in a buffer solution of chloroacetic acid with pH 2.7, a new flow-injection catalytic spectrophotometric method was founded for the determination of trace nitrite in environmental water sample.

基于在pH为2.7的一氯乙酸缓冲溶液中亚硝酸根对溴酸钾氧化亮绿具有催化作用，建立了测定环境水样中痕量亚硝酸根的流动注射催化光度法。

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The kinetics of hydrolysis for drug delivery system was investigated. It was demonstrated that prodrugs could release paclitaxel under neutral and acidic phosphate buffer solution.

探讨了前药的体外释药性能，前药系统在中性和酸性磷酸盐缓冲液中均能释放出活性药物分子。

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Applying Conjugated Acid-base Pair to Buffer Solution

共轭酸碱对在缓冲溶液中的应用

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The model and ganoderma group rats were injected 2% STZ once through vena caudalis, and the normal group rats were injected tales doses sodium citrate-citrate buffer solution.

模型组及灵芝组大鼠经尾静脉一次性按25mg/kg注射2%链尿佐菌素（STZ），正常对照组尾静脉注射等量柠檬酸钠-柠檬酸缓冲液。

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Thus the tin was released from the plating bath using 2.5 g ammonium fluoride as the releasing agent in a acetic-pyridine buffer solution of a pH value 5.5, and then inversely titrated using zinc nitrate standard solution in the presence of xylenol orange as an indicator.

在pH值为5.5的醋酸吡啶缓冲溶液中，用2.5gNH4F解蔽，4滴XO、1mLCPB指示终点，锌盐返滴定镀液中的锡。

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A thermodynamic model with a modified ion activity coefficient was used to predict the gas-liquid phase equilibrium of the SO_2 absorbed by the sodium phosphate buffer solution and the phase equilibrium constant at the interface in the non-equilibrium stage model.

利用溶液电离平衡理论结合离子活度系数的修正，对磷酸钠溶液吸收模拟烟气中的SO2气液平衡进行预测，获得非平衡级模型中的界面气液平衡常数。

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The dissolution of megestrol acetate soft capsules was investigated, using 2% Sodium dodecyl sulfate in acetate buffer solution ( pH4.5) as the dissolution medium, at the rotational rate of 120r/ min. The dissolution curve was discussed.

建立了醋酸甲地孕酮软胶囊的溶出度测定方法。以2%十二烷基硫酸钠的乙酸盐缓冲液（pH4.5）900ml为溶出介质，转速120r/min，并考察了溶出曲线。

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Results The injection can interfere to the bacterial endotoxins test, but the inhibition effect can be eliminated by appropriate dilution with Tris Buffer Solution ( pH7.2).

结果盐酸氯丙嗪注射液对细菌内毒素检查有干扰作用，但通过盐酸三羟甲基氨基甲烷（Tris）缓冲液（pH7.2）稀释可消除干扰。

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