查询词典 reagent

This study did not use formaldehyde, but instead of the xylene—formaldehyde resin as an acetal reagent.

一、前言酚醛树脂是最古老的合成树脂之一，其性能，例如瞬时耐高温性能是其他合成树脂所不及的，因而得到广泛应用。

The effects of the kind and amount of solvent used, reaction time and the amount of catalyst and acetylation reagent on the reaction were studied.

讨论了溶剂体系及用量、反应时间、催化剂用量、酰基化试剂用量等对反应的影响。

The medicine of the factory now has several reagents and more than 100 varieties, such as pill, tablet, capsule, acicula, granule, comprehensive reagent, etc., among which several varieties have ranked in catalogue of national basic medicine and social medical care insurance medicine.

现有丸剂、片剂、胶囊剂、针剂、颗粒剂、合剂等多种剂型、一百多个品种，多数品种已列入国家基本药物目录及社会医疗保险用药目录。

It involved the following aspects: choosing the optimal acidulous reagent, determining the optimal parameters of extracting technology of pectin , attempting the experiment of pectin de-coloration and purification.

盐析的最佳工艺为：温度控制在80℃，混合盐比为2：1，沉析时间为1.5h，沉析时pH值为3.8。用混合盐析得到果胶，产品得率7.6％，颜色灰白色，符合食品卫生要求。

The front actinogram, specification and medicine- names-mistake were the main reasons caused the unqualified prescription.conclusions we should improve the quality of prescription writing, strengthen the stander consciousness of doctors in prescription writing and improve the disposition and supervision ability of reagent personnel.

结果 本次调查处方合格率为85.7%，处方项中前记、规格、药名错误是导致不合格处方的主要因素。结论加强处方书写质量的管理力度，强化医生处方规范意识，提高药剂人员的素质和监督能力。

At the same time, the addition reaction of organozinc reagent and ketones was investigated.

同时对有机锌试剂与酮的加成反应进行了研究。

To determinate the water content of adenosine triphosphate disodium reagent by solvent titration.

摘 要 目的测定三磷酸腺苷二钠的水分含量。

Cellulase activity in adventitious roots of maize during aerenchyma formation induced by flooding was located through Cellulase activity in adventitious roots of maize during aerenchyma formation induced by flooding was located through the reaction of Benedict's reagent with reducing sugars liberated by hydrolysis of carboxymethylcellulose.

采用本氏试剂与羟甲基纤维素水解还原糖反应的细胞化学方法，对玉米不定根淹水诱导形成通气组织过程中，逐步解体的皮层细胞内纤维素酶活性进行了定位观察。

Cellulase activity in adventitious roots of maize during aerenchyma formation induced by flooding was located through the reaction of Benedict＇s reagent with reducing sugars liberated by hydrolysis of carboxymethylcellulose.

采用本氏试剂与羟甲基纤维素水解还原糖反应的细胞化学方法，对玉米不定根淹水诱导形成通气组织过程中，逐步解体的皮层细胞内纤维素酶活性进行了定位观察。

Grignard Reagent ofmagnesium reacts with halide hydrocarbon, which and Se powder is prepared toSe-Mg Grignard Reagent.

在3倍镁量反应物和15％CuI，在反应温度在45℃反应时间为10小时的条件，并不能有效的合成不对称有机硒醚。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。