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The tinnitus was induced by sodium salicylate injection. Results: The data of the experimen ts reported in this article suggests the presence of phantom auditory sensation in animals, produced by salicylate.

用注射水杨酸钠的方法造成动物耳鸣,通过不同组别大鼠行为实验的结果判断动物耳鸣的存在与否及男友药物的作用。

A method for the determination of antioxidant sodium hydrogen sulfite in amino acid injection was verified.

在保证质量稳定的前提下,最大限度地控制抗氧剂亚硫酸氢钠的用量,对提高使用氨基酸输液的安全性具有积极的临床意义。

Nitro-4-methylsulfonylbenzoic acid was prepared from 4-toluene sulfonyl chloride by the reaction of Alkylation (in the condition of sodium sulfite and baking soda), Nitrification (in the condition of nitric acid and vitriol) and Oxidation reaction (in the condition of nitric acid and catalyzer).

研究了以对甲苯磺酰氯为起始原料,首先通过亚硫酸钠和碳酸氢钠的水溶液进行烷基化、其次在浓硝酸和浓硫酸加热回流的条件下峭化、最后在浓硝酸和催化剂的条件下进行氧化,3步反应合成了玉米田高效除草剂甲基磺草酮的重要中间体2-硝基-4-甲磺酰基苯甲酸。

The effect of additives on the control of crystal size for sodium sulphate is discussed in the paper.

研究结果表明:十二烷基苯磺酸钠的加入增大了硫酸钠结晶过程的界面能,从而抑制自发成核过程的发生,促进晶体的生长,改善晶体的粒度。

In this research, a new technique of Fenton reagent oxidation was investigated to EOR wastewater. The factor of temprature, pH, H_2O_2, Fe~(2+), and sodium tartrate concentration were studied on HPAM. At the same time, we studied practical wastewater during polymer and ASP flooding.

鉴于此,本论文对 Fenton 技术降解 HPAM 进行了系统的研究,考察了初始 pH 值、H_2O_2、Fe~(2+)、酒石酸钠的用量和光照等因素对 HPAM 降解的影响,同时研究了此项工艺对实际油田三次采油废水的处理效果。

The adsorption isotherms of Sodium Dodecyl Sulfonate onto wool fiber surface which experienced clean processing from an acid aqueous solution(pH3.0~3.5) by conductance method at 366K(93℃) were studied, so did the isotherms of wool adsorbing SDS from different aqueous solutions which containing various auxiliaries(containing glycol/benzalcohol and zinc sulfate).

戴丽 ,耿信鹏,林国栋采用电导法研究了366K(93℃)时经洁净处理的羊毛纤维在酸性(pH=3.0~3.5)水溶液中对十二烷基磺酸钠的吸附等温线,以及羊毛在不同助剂(含乙二醇/苯甲醇和硫酸锌)的水溶液中对SDS的吸附等温线。

The results show that the change in the oscillating period was linearly proportional to the concentration of Benzylpenicillin Sodium over the range from 2.47mg/L- 0.0123mg/L. Using the procedure, the content of the antibiotic in a bought production is determined and the result was consistent with that by HLPC.

实验结果表明,当体系中青霉素浓度在2.47mg/L-0.0123mg/L之间时,青霉素的浓度与进样后周期的变化率存在良好的线性关系,以此作为定量分析的基础,去测定市售注射用青霉素G钠的有效含量,与高效液相色谱测定结果一致。

The increasing trend of with increase of reflects the difference of yield of different elements in Type Ⅱ supernova and implies that Na production is directly related to the metallicity.

Na/Mg随增加而上升的趋势反映了超新星爆发中不同元素产量的差异,表明钠的产量随金属含量的增加而增加。

By means of molecular designing, a series of sodium branched-alkyl benzene sulfonates weresynthesized through seven process, involving Frieded-Crafts reaction, Grignard reaction, sulfonationand neutralization. Those isomers have similar structure, carbons of same quantity, but the position ofalkylaryl dissimilarity. Liner fat acid, metaxylene and halogenated hydrocarbon of different carbonnumber were used as the starting materials. Optimum processing condition was confirmed consideringinfluence of a series of reaction factors such as feed proportioning, quantity of catalysts, quantitysolvent, reaction time, temperature and pressure. Eight kinds of isomers of sodium hexadecylxylolsulfonates were finally synthesized, and characterized by FT-IR.

本文通过分子设计,以不同碳数直链脂肪酸、间二甲苯以及不同碳数的卤代烷为原料,经酰基化、格氏反应、加氢还原、磺化及中和等反应,合成了结构相似、烷烃链碳数一定、芳基在烷烃链不同位置的烷基芳基磺酸盐同分异构体;并考察了原料配比、催化剂用量、反应时间、反应温度、溶剂用量、反应压力等一系列因素对各反应的影响,进而确定最佳工艺条件,最终合成出十六烷基二甲苯磺酸钠的八种同分异构体,利用 FT-IR 对产物结构进行了分析。

With the same content of templates,the pore diameter of the generated material withglycerol as template is bigger than the one with pentaerythrite. The photocatalytic degradationof phenol,methyl orange and dodecylbenzene—sulfonate are studied.

利用所制得的中孔纳米二氧化钛粉体应用于甲基橙、苯酚和十二烷基苯磺酸钠的模拟废水溶液的处理中,探讨了二氧化钛的降解特性和光催化效率的影响因素。

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What would he tell Judith and the children?

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I this is at that time, the opinion with peacockish true girl is full of in a heart.

这就是当时的我,一个心中布满虚荣的女孩子真实的想法。

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