1) Henry law
Henry定律
2) Henry reaction
henry反应
1.
Henry reaction is one of the exceptionally useful strategic C-C bond forming reactions for the construction of organic molecules.
通常的henry反应催化剂为强酸或者强碱,能否找到一种温和的催化剂来催化此反应呢?通过筛选,我们发现在催化剂量的联二萘酚双钠盐(3 mol%)存在下,henry反应能够快速的进行,产率高达100%。
2.
β-nitrostyrene was synthesized by ultrasonic Henry reaction and the accessory ingredient of alcohol Claisen-Schmidt reaction,using benzaldehyde and nitromethane as raw materials.
分别研究了在超声波辅助Henry反应和甲醇助剂存在Claisen-Schmidt反应的条件下由苯甲醛、硝基甲烷合成β-硝基苯乙烯的反应条件,发现Claisen-Schmidt反应条件下收率最高,产率为84%。
3.
The Henry reaction of cyclic α-ketoesters and α-ketoamides was achieved using triethylamine as a promoter.
用三乙胺催化环状α-酮酯和α-酮酰胺同硝基甲烷的Henry反应,首次合成了12个多官能团的β-硝基醇,它们的结构用元素分析、红外光谱和核磁共振进行了表征。
3) Henry constant
Henry常数
1.
An empirical equation was used to correlate the Henry constant with temperature from the experimental data.
从试验数据得到了描述Henry常数与温度关系的经验方程。
2.
To illustrate interaction between hydrophobic porous silica(HPS) and water and alcohols,Henry constant of water and adsorption isotherms of C2-5 alcohols were investigated by mass of finite pulse gas-solid chromatography at 140 ℃.
采用脉冲色谱法测定了140℃时疏水多孔硅胶(HPS)上C2～5醇的吸附等温线及醇和水的Henry常数。
4) law
[英][lɔ:] [美][lɔ]
律;定律
5) law
[英][lɔ:] [美][lɔ]
定律，法律
6) Law
[英][lɔ:] [美][lɔ]
定律
1.
A Research on Some Laws of Restorina to the Original Image in Map Reproduction and Printing;
地图复制印刷中图像还原定律的研究
2.
Primary Research on Several Theorems,Laws and Corollaries of Hydrology
几条水文学定理·定律和推论研究初探
3.
Some inspirations can be got from the study on the "Three Laws ".
通过对“三大定律”的研究,得到一些启示,进而论证了这些定律在安全管理中发挥警示职能的科学道理,同时也表明了“三大定律”对提高安全管理水平有重要的作用。
补充资料：电阻定律
确定导体电阻大小的定律。对于由同一材料制成的粗细均匀的导体，在温度一定时，其电阻r跟导体长度l成正比，跟导体的横截面积s成反比，即r=ρls。式中ρ与材料性质有关，称为电阻率。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条