查询词典 reagents

The precious when Ming Dynasty big medicine learns domestic plum " detailed outline of a book on Chinese medicine " compilatory, make standard of our country medicines and chemical reagents is in world front row.

明朝大医药学家李时珍《本草纲目》的编纂，使我国药品标准处于世界前列。

The sulfate-reducing-bacteria were immobilized in polyvinyl alcohol to treat wastewater containing zinc. The effects of different crosslinking reagents on the conglobation, cohered efficiency of the carbon source, reduction ratio of sulfate, removal ratio of Zn, and COD of drainage were considered.

摘 要：以聚乙烯醇为包埋介质，对硫酸盐还原菌进行固定化处理；以含锌废水为处理对象，考察不同交联剂对成球性能影响、营养源内聚效果、硫酸盐还原效果、锌离子去除率和出水COD等因素。

Jiujiang Coquimbo Industrial Co., Ltd. mainly produces: all kinds of wooden structures, Gangmu structure of the test-bed, intelligent Tong Fenggui, containers counters, medicine cabinets, counters reagents, the cylinder cabinet, days platform, high temperature Taiwan, first aid shower, High operating table, ultra-clean table, and so on.

九江金博实业有限公司主要生产：各种木制结构、钢木结构的实验台、智能型通风柜、器皿柜、药品柜、试剂柜、气瓶柜、天平台、高温台、急救淋浴器、高级手术台、超净工作台等。

RESULTS The kit developed with this primers and related reagents was used to discern Cornu Cervi Panto...

用分子分类学方法鉴别中药材鹿茸，具有科学、稳定、准确、简便等特点，值得推广

Because it needs many kinds of acid and organic reagents, cumene peroxidation process brings the problems of wasting materials and environment pollution.

但是丙酮的市场需求量的增长远小于苯酚，因此以此法合成苯酚受丙酮的市场制约。

By using Roche kit as standard, the amplification efficiency of different reagents were compared by Roche Light Cycler instrument for establishing real-time PCR reaction system. The primers were designed based on signature sequence of chromosomal DNA fragment and caf 1 gene in plasmid pMT1 of Y.pestis. And sensitivity and specificity assay were done with serial diluted Y. pestis EV76 strain and other bacterias. Then 275 Y.

采用SYBRGreenI随机掺入法，以Roche试剂盒为标准，比较两公司的DNA聚合酶，用鼠疫菌310 0 4建立荧光PCR反应体系；针对鼠疫耶尔森氏菌特异的染色体标识序列和质粒上F1抗原基因设计引物，检测其灵敏度和特异性，以盲测试验进行验证；在此基础上鉴定2 75株鼠疫耶尔森氏菌，并测试该法检测脏器污染模拟标本的灵敏度。

Students should grasp the classification of the nitration reactions and its industrial application, the main nitration reagents and the nitration method, the classification of the sulfonation reactions, the function of sulfo group and its in the industrial application, sulfonating agents and its industrial application, the separation method for the sulfonated compounds, the widespread applicationof diazonium and the coupled reactions and its in the industry specially employed in the dyes and the pigments synthesis

掌握硝化反应的分类及其在工业上的应用。掌握主要的硝化试剂和硝化方法。掌握磺化反应得分类、磺酸基的作用及其在工业上的应用。掌握磺化剂其在工业上的应用。了解磺化物得分离方法。掌握重氮化及偶合反应及其在工业上特别是在染料和颜料合成中的广泛应用。

A new mathod is studied for the synthesis of diketone s with the crosscoupling reaction of organotin reagents and diacyl chlorides catalyzed by cellulose oxyphosphine palladium complex compound.

本文首次采用纤维素氧膦-钯络合物为催化剂，以丙酮为溶剂，有机锡试剂与二元酰氯偶联合成二元酮化物。

In general, dilution of the reagents can increase, decrease, or have no effect on the reaction rate.

在一般情况下，试剂的稀释可能对反应的速率增加，减少，或没有影响。

The transition metal catalysis reduction, hydride reagents reduction, sodium dithionite reduction and bioreduction ware discussed.

综述了近年来α，β-不饱和羰基化合物α，β-碳碳双键和碳氧双键的选择还原研究进展，讨论了过渡金属催化还原、氢化试剂还原、连三亚硫酸钠还原以及生物还原。

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。