A formula for the calculation of the equivalent volume of acid mixture titration is derived.
本文提出了以氢离子活度为测量值的混合酸滴定的计算公式;
Purpose: to study the preventive effect of citric acid mixture (CAM) on urinary stone recurrence.
目的:研究复方枸橼酸合剂对尿路结石的预防作用。
Titration error formula and feasibility judgment in stepwise titration of strong and weak acid mixture.
本文从一元强酸与弱酸滴定的误差公式判断用强酸进行分步滴定的可能性。
Objective To assess the efficacy of Shuang-huang boracic acid mixture and insulin in the treatment of diabetic wound surface.
目的探讨双黄硼酸液联合胰岛素治疗糖尿病病人创面的临床疗效。
The inhibition of demineralization provided by 0.2% fluorid sodium or fluorid fatty acid mixture was studied and compared at the same time.
并同时观察了02% 氟化钠及癸酸钠与氟化钠混合液抑制牙齿脱矿的作用。
These results indicated that the soybean high branched-chain and low aromatic amino acid mixture had better effects in treatment of hepatic dysfunction.
这些结果提示,大豆高支低芳氨基酸混合物对肝功不全的治疗具有显著作用。
The viscosity of Novel poly-acrylic acid mixture size was smaller than experience size and the mixed size has excellent thermal stability, viscosity stability.
新型聚丙烯酸浆料混合浆液粘度比经验配方小,有优良的粘度热稳定性;
The fatty acid mixture in fruits of Malamia Oleifera is used to prepare number 1 and number 2 calcium base grease through three steps which meet with the standard of China.
利用蒜头果中的混合脂肪酸经三步反应制备1号和2号钙基润滑脂,产品质量符合国家标准。
Compared with the raw material, soy fatty acid mixture obtained by the distillation under vacuum had lower content of unsaturated fatty acid, but higher content of saturated one.
水解液通过真空蒸馏得到大豆混合脂肪酸,混合脂肪酸不饱和脂肪酸含量比原料低、但是饱和脂肪酸含量高。
In this paper, the results of preparative separations of steroid reaction pro-ducts, indole auxins, and DNP amino acid mixture with suitable two-phasesolvent systems is introduced.
本文简要说明了这种仪器的原理、结构和特征,并给出了制备分离甾族反应混合物、吲哚类植物激素、二硝基苯氨基酸的应用结果。
But the corrosive mixture of boric acid and seawater will also make the reactor much harder to get running again.
但硼酸与海水的腐蚀性混合物也使得反应堆更不容易重新启动。
We now dissolve everything in a mixture of hydrochloric acid at 35% and chlorine bleach (sodium hypochlorite) at 5%, in a proportion of 2 to 1.
现在我们用35%的盐酸和5%的漂白剂(次氯酸钠)把所有金属溶解。盐酸和次氯酸钠的比例为2:1。
Pickling solution for acid pickling of stainless steel is a mixture of various acids which possess strong corrosiveness and oxidization.
不锈钢酸洗用酸洗液是多种酸的混合物,腐蚀性强且具有氧化性,腐蚀介质温度较高。
The results show that it's effective for organic manure with EM, and so do disease and pest control with the mixture of Bamboo Acid and pesticide.
结果表明,EM对有机肥处理和抗寒性较有效,将竹醋与农药混合使用防治病虫害效果明显。
The improved freeze thaw experiment indicates that this additive can improve the long term anti water ability of acid aggregate asphalt mixture markedly.
强化冻融劈裂试验表明,开发研制的含铬外加剂能够显著提高酸性集料沥青混合料长期抗水损害能力。
The adsorption effects for rosin acid were compared among polymers, bentonite, polymers-modified bentonite, and simple mixture of polymer and bentonite.
比较了使用聚合物、膨润土、聚合物改性膨润土以及聚合物与膨润土简单混合等几种物质对松香酸的吸附作用。
Activated carbon fiber(ACF) was used to purified glutaric acid from the mixture of binary acids(DBA), and by recrystallization the end production glutaric acid was purified.
通过活性碳纤维(ACF)处理柱来分离混合二元酸(DBA)中有色物质,然后重结晶提纯分离戊二酸。
The acid value of waste tire crumbs is tested, and the surface of crumbs are activated, then the crumbs are used as the modifier in asphalt mixture.
对废弃轮胎胶粉的酸值进行了测试,并据此进行了胶粉表面活化处理,再用作为沥青混合料的改性剂。
The orthogonal design was used in the optimum synthesis of cyclohexyl nitrate with the mixture of nitric acid and acetic anhydride as the nitrating agent of cyclohexanol.
以硝酸-醋酐混合物为环己醇的硝化剂,利用正交试验设计描述了硝酸环己酯的优化合成。
Sizing properties of this type of grafted starch are better than acid hydrolysis starch size and mixture size with little PVA size. It is poor than mixed size with large PVA size.
此种接枝淀粉的浆用性能优于酸解淀粉浆料及含少量PVA的混合浆,但仍和含较高量PVA的混合浆料存在差距。
The unsaturated fatty acid methyl esters (FAMEs) were separated from the fatty acid methyl esters mixture using urea adduct method.
以混合脂肪酸甲酯为原料,采用尿素包合法(脲包法)分离不饱和脂肪酸甲酯。
The process could also get rid of protein impurity from acid proteinase or basic proteinase mixture.
该法对酸性蛋白酶、碱性蛋白酶等也有较好的去除杂蛋白效果。
The calculation methods for available energy of perfect gases and their mixture, and true gases and their mixture are discussed with the example of gases common in sulphuric acid industry.
介绍理想气体、理想气体混合物、真实气体、真实气体混合物的有效能计算方法,并以硫酸工业中常见气体为例加以说明。
Objective HPLC was used to determine the content of ferulic acid in Yangyin Buxue mixture.
目的采用高效液相色谱法测定中成药养阴补血合剂中阿魏酸的含量。
A solid mixture of the two, known as bullion or dore, can be parted by boiling in nitric acid.
将两种物质的混合物,即俗称的锭,在硝酸中煮沸,即可将金银进行分离。
Your goal is to report the molarity of the hydrochloric acid and the molarity of the phosphoric acid in the mixture, with their uncertainties.
你的目标是要回报在混合物中氢氯酸的莫耳浓度和磷酸的莫耳浓度以及它们的不确定度。
The soluble multi walled carbon nanotube (MWNT) is prepared by heating the mixture of original MWNT with concentrated nitric acid.
用加热多壁碳管与浓硝酸混合物的方法制备了可溶性的多壁碳管。
According to the chelation of citric acid and the sterically hindered effect of glycol, the vesicle of rare earth mixture can been obtained.
依据柠檬酸的螯合作用和乙二醇的空间位阻效应,获得了稀土混合物囊泡。
The method of making benzoic acid by oxidizing the benzyl ether mixture with the acid potassium permanganate solution is researched.
研究了以酸性高锰酸钾氧化苄醚混合物制备苯甲酸的方法。
The method of making benzoic acid by oxidizing the benzyl ether mixture with the acid potassium permanganate solution is researched.
研究了以酸性高锰酸钾氧化苄醚混合物制备苯甲酸的方法。
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