查询词典 addition-compound

This mechanism is different from that for the acetalization reaction of polyvinyl alcohol with saturated aldehydes,which has only 1,2-addition.Crosslinking in polyvinyl butenal was mainly resulted from the 1,4-addition.

此机理不同于只有1，2-加成方式的聚乙烯醇缩饱和醛化反应。1，4-加成主要导致聚乙烯醇缩丁烯醛的交联。

When the addition amount of amomum juice was 25 g,the structures of steamed breads were good and there was less peculiar smell in the steamed breads;when the addition amounts of amomum juice were 30 and 35 g,the specific capacities of steamed breads were larger and their elasticity was good,but there was peculiar smell in the steamed breads.

加入25 g砂仁汁时馒头的结构好，异味较小；加入30和35 g砂仁汁时馒头的比容较大，弹性较好，但馒头中有异味。

Result］ The color and elasticity of steamed breads made from 250 g flour added with 50 g cactus juice and 30 g amomum juice were bad and their surface was not smooth;when the addition amount of cactus juice was 70 g,the elastic extensibility of steamed breads was bad;when the addition amount of cactus juice was 90 g,the elasticity of steamed breads was good and their surfaces were smooth.

结果］ 在250 g面粉中加入50 g仙人掌汁、30 g砂仁汁蒸制的馒头色泽、弹性不佳，表面不光滑；加入70 g仙人掌汁时馒头的弹性延伸性不好；加入90 g仙人掌汁时，馒头的弹性佳，表面光滑。

Addition of 10 % fresh Boehmeria nivea root into XO paste for 28 days under 50℃, the POV value was 24.33± 1.33 meq/kg, which is smaller than that of control samples(32.40 ±0.53 meq/kg), indicating an ability to decrease the rate of oil oxidation. However, with the addition of 10% of fresh leaf to XO paste, oil oxidation was promoted instead.

添加10 %的新鲜苎麻根於XO酱中，在贮存50℃下28天时，其POV值为24.33 ±1.33 meq/kg，较对照组(32.40 ±0.53 meq/kg)低，显示添加10 %新鲜苎麻根於XO酱中可延缓油脂氧化的速率，但添加10 %新鲜苎麻叶於XO酱中反而促进油脂氧化。

The speed of electrophilic addition reaction of Alkene is inferenced greatly by the electron-withdrawing group or electron-releasing group on C=C of Alkene And the main addition product is decided by stability of carbonium ion.

烯烃C=C上连有供电子基和吸电子基时，对于烯烃亲电加成反应速度的影响是很大的。加成产物是由碳正离子中间体的稳定性来决定。

Analyse and compare what adopt a variety of pair of methods, the Michael addition reaction of ester of acerbity second of second of hydroxyl of protection of benzyl of the response of close nucleus addition that uses second nitrile and ester of formic acid second certainly, chloridize, cyanogen, reaction that take off carboxyl generates 3- benzyl oxygen radical the fifth of the ten Heavenly Stem the method of 2 nitrile, detailed discussion the action that wait and the by-product that arise possibly reach the reactant in each pace reaction, activator, dissolvent avoid a method.

通过对多种方法的分析和比较，确定采用乙腈和甲酸乙酯的亲核加成反应、氯化苄保护羟基、氰乙酸乙酯的Michael加成反应、脱羧反应生成3-苄氧基戊二腈的方法，并具体的讨论了每一步反应中反应物、催化剂、溶剂等的功能和可能产生的副产物及避免方法。

In addition, the activties of different catalyst were compered. The test proved the chloroplatinic acid– ethanol catalyst provides high yields of addition products without the formation of undesirable by-products, to provide the possibility of using less rigorous reaction condition, to provide a catalyst material, which is effective at low concentrations.

实验过程中特别对不同催化剂进行了比较，其中氯铂酸—乙醇催化剂提高了加成反应的产率，没有副产物生成，不需要苛刻的反应条件，在低浓度时有很好的催化效果。

And the addition of nutrient salt is more preferable for compendency yeast species with the addition quantity 20～40mg/L.

营养盐的添加较适于凝集性酵母菌种，添加量在20～40mg/L之间。

The results show that the effect of addition or no-addition of degasser on grain refinement of Al-5.0%Si alloy ingot is...

结果表明，除气剂的添加与否对Al-5%Si合金铸锭组织的细化没有影响，铸锭由粗大的柱状晶组织构成；采用合适的超声波处理时间，Al-5%Si合金铸锭的等轴晶获得率大幅度提高，可使整个铸锭组织变为细化的等轴晶组织；超声波振动时间过长将导致铸锭内气孔的增加；根据克劳修斯-克拉柏龙方程，某一强度的超声波引起的压力冲击波作用，导致液相转变为固相，引起了超声波的细晶作用。

In addition, the density of composite matrix could be controlled by altering the densifier addition to match the requirement of varying fluid velocity and expansion factor in expanded bed.

复合层析基质的柱层析行为表明：大孔型基质的洗脱峰形明显改善，柱压小，适合于高流速的固定床和扩张床层析；扩张床内可形成稳定的分级分布，符合扩张床吸附要求；可根据具体需要，调节碳化钨添加比例来优化操作流速和床层扩张率。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新