查询词典 reagents

All testing must be carried out with reagents and solutions prepared according to approved Procedures, and labeled with identity, concentration, preparer's name, preparation date, and an Expiration or Retest Date.

实验中使用的所有试剂和配制溶液必须按照已批准的规程配制，并标记品名、浓度、配制人、配制日期和失效期或复验期。

We want to buy Urine Strips Reagents, Prothrombin Reagent, Rapid Test Chemical Reagent

我们要采购试药，凝血素试药，迅速的测试化学的试药

Category Ⅰ: lgβ〓=16～19, lgβ〓=28～32, lgβ〓＞32,Δ～12, such as solochrome violet RS and pyrocatechol violet, they can be employed for determination of Al〓 at pH 4～5, while at pH 8～9 the complex ability of reagents increased obviously, so it can be used for the determination of Al〓.

类试剂：累积稳定常数较大。lgβ〓＝16～19，lgβ〓＝28～32，lgβ〓＞32，△～12。如酸性媒染紫、邻苯二酚紫。该类试剂在酸性pH4～5下可测定无机单核铝，而在碱性pH8～9下测定总单核铝；由于lgβ〓均较大，易和铝形成螯合能力极强的1∶3配合物。

A new method of solvent-thermal synthesis of Meso-tetra(4-carboxyphenyl) zincporphyrin complexs, using the propionic acid and the DMF as solvents and the salt of zinc, catalyst-;pyrrol,4-carboxybenzaldehyde, as reagents.

报道了用丙酸和DMF作溶剂和催化剂，直接用吡咯，4 羧基苯甲醛，锌盐合成Meso 5，10，15，20 四锌卟啉配合物的新型方法———溶剂热合成。

The Internet drug that obtains food medicines and chemical reagents to superintend a branch to approve only trades the website of qualificatory service letter, ability can sell blame prescription drug on the website.

只有取得食品药品监管部门批准的互联网药品交易资格服务证书的网站，才可以在网站上销售非处方药。

Manganese and cerium is the oxidative reagents usually employed. In recent years, the oxidative free radical reactions of quinone derivatives have been studied in this laboratory.

锰以及铈是最常使用的氧化性试剂，本实验室也将锰以及铈运用在醌类化合物的环合反应上。

Among these immoniumsalts, HOBt-based reagents were proved to be superior to the corresponding uroniumsalts in both reactivity and racemization.

其中HOBt衍生的亚胺正离子型缩合剂无论在反应活性还是在产物光学纯度方面都大大优于脲正离子型缩合剂。

Effects of concentration of reagents, the time of reaction on the experiment were studied.

对影响实验的因素如PVP和VO2的浓度、保温时间等进行了研究。

Company Profile: Beijing Xing Ruida chemical plant, was founded in May 2004, is located in Daxing District, Beijing Rhenish town, is a registered manufacturing chemicals and chemical reagents collectively owned enterprises.

氟化钠等氟化物。北京兴瑞达化工厂，始建于2004年5月，位于北京市大兴区礼贤镇，是一家注册生产制造化工原料及化学试剂的集体所有制企业。

In addition, for purifying agent, such as chemical reagents, and Rodenticide.

此外，也用作净水剂、化学试剂及杀鼠剂等。

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。