查询词典 acid reaction

Moreover, dissolution and surface reaction model in acid maceration is founded.

此外还建立了酸浸过程溶解模型及表面反应模型。

In order to improve the radiation resistance of PPC, the influence of γ-rays radiation on poly and poly were investigated, and radiation grafting reaction of maleic acid on PPC was explored.

中文摘要本文以提高二氧化碳－环氧化物共聚物的耐辐射性能为目的，研究了γ-射线辐射对聚碳酸丙烯酯和聚碳酸环己烯酯的结构与性能的影响，并采用辐射接枝或物理共混方法对PPC进行了改性研究。

Stable Vitamin K 3 is synthesized by addition reaction of raw materials of niacinamide, chlorhydric acid and menadione sodium bisulfite at 25℃.

以烟酰胺、盐酸为原料，在 2 5℃反应得烟酰胺盐酸盐溶液，而后与亚硫酸氢钠甲萘醌发生加成反应，反应的物料配比为：n ∶ n ∶ n =1∶1。

The analytical methods to determine COD in chemical wastewater by using silver nitrate in place of mercury sulfate to mask chloride ion were studied; Extracting silver chloride precipitation from the determined COD waste liquid, the feasibility of preparing silver sulfate catalyst by the direct reaction of silver chloride and concentrated sulfuric acid was analyzed.

研究了用硝酸银代替硫酸汞掩蔽氯离子测定化工废水中COD的分析方法；试验了从COD测定废液中提取氯化银沉淀，直接用氯化银与浓硫酸反应制备硫酸银催化剂的可行性。

The method is based on the preliminary reaction of a part of OH cellulosic groups with the methacrylic chloride of the unsaturated acid.

先将纤维素的部分羟基同甲基丙烯酰氯反应，然后将丙烯腈同上述改性纤维素进行接枝反应。

The results indicated that at the inhibitor dosage of 0.4%, mole ratio of methacrylic acid to MPEG of 1.5:1 and reaction temperature of 120 ℃, the yield of MPEGMA could reach 92.3%.

结果表明：阻聚剂质量分数为0.4%、酸醇摩尔比为1.5：1、反应温度为120℃时，酯化率可达到92.3%。

Using ethylenediamine, urea, methanal and formic acid as base material, 1, 3-dimethyl-2-imidazolidinone was prepared via cyclization reaction and methylation.

以乙二胺、尿素、甲醛和甲酸为原料，经过环化和甲基化反应制得目标产物1，3-二甲基－2-咪唑啉酮(1，3-DMI)。

And a glycochain IbGpl-OL-LbGp5-OL has been found out by the way of Pronase E or β elimination reaction to dissociate the glycochain from the molecules of glycoconjugate and through the separation and purification of it by gel column chromatography, and ion exchange ohromatography and then its repetitive unit construction has been tested by the ways and means of full hybridization and partial acid hydrolisis, methylate analysis, Gc, Gc/Ms, iH and 1/3 CNMR.

通过链霉蛋白酶E或β-消去反应等方法，将糖链从糖缀合物分子上解离下来，经凝胶柱层析或离子交换柱层析进行分离、纯化得到相应的糖链LbGp1-OL～LbGp5-OL。

The title complex has been synthesized by the reaction of silicotungstic acid , 1,10-phenanthroline monohydrate and cupric acetate.

以钨硅酸为催化剂，通过丁酸和异丁醇反应合成了丁酸异丁酯，探讨醇酸物质的量比、催化剂用量及反应时间对酯化率的影响。

The titled compound as an intermediate for preparing muscone is obtained by reacting a tetradecanedioic acid as the starting material with a chlorinating agent——chlorosulfoxide,followed by reacting the resultant reaction product on halogenomethylzinc .

采用直链十四碳二元酸为起始原料，先以氯化亚砜进行酰化，所得酰氯直接与甲基锌试剂反应进行甲基化，从而制得了合成麝香酮的重要中间体2，15-十六烷二酮，产物结构经1HNMRI、R确认。

The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.

此刻阴唇已经几乎完全的缝在一起了，排除多余淤血体液的管子和Foley导管从顶端冒出来。

To get the business done, I suggest we split the difference in price.

为了做成这笔生意，我建议我们在价格上大家各让一半。