查询词典 acid reaction

Epoxy acrylic resin and epoxy monoacrylate resin were synthesized from biphenol A epoxy resin and acrylic acid , then a new UV-curing resin was synthesized through the reaction of them and maleic anhydride.

本文先采用双酚A环氧树脂和丙烯酸合成了环氧丙烯酸酯和环氧单丙烯酸酯，再以它们和顺酐作为反应的原料，进行反应最终合成了一种新型UV固化树脂。

Methods: forty eight cases of acute bacteria respiratory or urinary tract infection were iv divided into two groups double blindedly and randomly. the experimental subjects of the two groups were given an injection of gatifloxacin mesylate glucose or hydrochloric acid levofloxacin 200 mg for 7 to 14 days respectively. the curative effect and the adverse reaction were evaluated.

呼吸道或泌尿道急性细菌性感染的门诊或住院患者48例，采用随机盲法对照试验，接受试验药甲磺酸加替沙星葡萄糖注射液或对照药盐酸左氧氟沙星注射液200 mg， bid，静脉滴注，疗程7~14 d，评价其疗效和不良反应。

Results: Reaction of apinene and anhydrous oxalic acid afforded bornyl oxalate smoothly and borneol was obtained from bornyl oxalate by saponification with NaOH solution.

结果：酯化反应能顺利进行生成草酸冰片酯，草酸冰片酯和NaOH发生皂化反应后得到冰片。

A decatalytic spectrophotometric based on a copper catalyzed redox reaction between potassium peroxydisulfate and bromcresol purple has been developed for the determination of trace copper in the percent of sulfuric acid.

在酸性介质中，以K2S2O8为氧化剂，溴甲酚紫为指示物质，Cu强烈阻抑K2S2O8氧化溴甲酚紫褪色反应，褪色反应程度在一定范围内随Cu浓度增大而降低。

The total synthesis of the title compound 10 was accomplished starting from 3,5-dimethoxybenzoic acid (1) and p-hydroxybenzaldehyde (6). In the process, esterification, reduction, bromination and Wittig-Homer reaction were performed.

以3，5-二甲氧基苯甲酸为起始原料，经过甲醇酯化、氢化铝锂还原、四溴化碳溴代和Wittig-Homer反应，高产率的合成了Wittig-Homer试剂(5)。

Novel sodium 2-2-(alkylaryloxy-alkylamidoethanesulfonates (m+nAr-T, m, n: carbon numbers; Ar: aromatic nucleus; T: taurine) with high purity were synthesized through bromization, esterification, Fries rearrangement, Pd-catalyzed hydrogenation, Williamson reaction, and acylation, et al, using carboxylic acid, phenol and taurine as starting materials. The structures and purities were characterized.

以羧酸、苯酚和牛磺酸为原料，通过溴代反应、酯化反应、Fries重排反应、催化氢化反应、Williamson反应以及催化酰胺化反应等过程，首次成功合成并表征了系列结构明确的高纯度N-酰基牛磺酸钠(m+nAr-T，m、n为烷基链碳数，Ar为芳环，T表示taurine)。

The aging cause of pit mud covers natural environment, production conditions, microbial metabolism, biochemical reaction, and the breeding of caproic acid bateria etc.

引起窖泥老化的原因有：自然环境的影响、生产条件的影响、微生物代谢的影响、生物化学反应造成的影响、己酸菌种选育造成的影响等。

At first, the best synthetic conditions have been achieved by orthogonal experiment according to one step reaction of perfluoro caprylic acid and a kind of aminofunctional siloxane.

应用IR谱图对氨基硅油和全氟辛酸的分子结构进行了测定；通过各反应前后原料与生成物的IR谱图对比以及~1H NMR，明确反应进展情况和产物的各特征峰。

Carbamic acid is formed in reaction(1)and this picks up another molecule of ammonia to give ammonium carbamate.

氨基甲酸按反应（1）生成，它结合另一分子氨生成氨基甲酸铵。

Ferrocenecarboxylic-ssdeoxyribonucleic acid probe was made by chemically bounding FCA to terminal 5'-amino of oligonucleotide in the presence of a water-soluble carbodiimide. The hybridization reaction was conducted by immersing the immobilized-ssDNA electrode in FCA-ssDNA probe solution.

在偶联活化剂碳二亚胺的存在下，通过羧基二茂铁上的羧基与DNA分子上的氨基共价键合，将FCA标记在氨基修饰的寡聚核苷酸片段上，制备成FCA-ssDNA探针。

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。