查询词典 reagents

Reagents and so on temperature, organic solvent, potential of hydrogen, urea, amide may cause the DNA member to denaturate, even if hydrogen bond break between the DNA duplet bond's, the double helix structure unties.

温度、有机溶剂、酸碱度、尿素、酰胺等试剂都可以引起DNA分子变性，即使得DNA双键间的氢键断裂，双螺旋结构解开。

The total synthesis of chrysotricine and its epimer was achieved from tryptophan by ...

合成路线如下： Reagents：a：CH_3CHO，1NH_2SO_4 b：10％K_2Cr_2O_7，HOAc c：1n-BuLi，2Compound 37d：MCPBA。

In this paper, we provided biomimetic synthetic methods for tetrahydroisoquinoline by using the benzimidazoline as a new tetrahydrofolate coenzyme model with 2-(3, 4-dimethoxyphenyl)ethylamine as nucleophile reagents under the condition of acid.

在心血管用药中，某些四氢异喹啉类化合物及其衍生物对心律失常、心肌缺血、高血压和心力衰竭有显著的治疗作用，对四氢异喹啉类化合物及其衍生物进行结构改造，进而发展成为药品成为当今医药的研发重点。

At present, they are not applied extensively for the expensiveness of the equipment and the reagents.

而应用少数几种探针组合对常规染色体异常进行筛查则较为经济实用，值得探索。

We chose formamide as a solvent for the preparations because itdissolves all of the reagents, and because the binary phase diagram of surfactants informamide resembles that of water.

我们对不同的有机溶剂中中介结构硫化钨的合成进行了研究，发现极性溶剂更有利于中介结构硫化钨的合成。

Reagents such as glycerol,DMSO,formamide are usually used to improve the efficiency of PCR for the template with high G+C PCR.

PCR已经成为现代生命科学研究的一项最基本的技术，但是当模板的G+C含量比较高时，PCR常常出现扩增效率低甚至扩增不出来的情况。

In order to improve the conductivity of LiFePO4 samples, the chemical reagents were intermingled with grape sugar and various kinds of electric carbon and then obtained a variety of samples by high temperature solid-state reaction.

在此基础上，我们进行了各种碳源的掺杂，以改善其导电性。

This paper has probed into the synthetic mechanics of Grignard reagents under ultrasonic condition.

这些对格利雅试剂的工业化生产具有重要的意义。

The stereoselectivity of the reaction of Grignard reagents with perfluoroalkylcarbonyl phosphonates has been studied in detail.

四、我们研究了格氏试剂对全氟酰基膦酸酯的亲核加成-消除反应的立体选择性。

In this paper, the addition-hydrolysis reactions of the benzimidazolium salts, bisbenzimidazolium salts with Grignard reagents were studied.

利用苯并咪唑盐与双格利雅试剂的加成-水解反应，提出了对称二酮的新合成方法。

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。