查询词典 isomers

Another example of chiral recognition is found in the effect these two carvone isomers have on rates of reaction.

我们也发现这两个香芹酮异构体对反应速率有不同影响的其他手性识别5的例子。

The two isomers of compounds 5 were demonstrated by IR and 1H NMR.

利用IR和1H NMR证明了化合物5存在两种异构体。

Objectives To explore the indoor air pollution and its health effect s of formaldehyde and BTEX (benzene, toluene, ethylbenzene and xylenes isomers) in the decorative materials in newly decorated rooms.

目的：探讨装饰材料中主要有害物质甲醛及苯系物对室内空气的污染及健康效应。

Benzene, toluene, ethylbenzene, xylenes isomers and methyl tert-butyl ether exist widely in the groundwater contaminated by gasoline.

中文摘要苯、甲苯、乙苯、对二甲苯与甲基第三丁基醚(methyl tert-butyl ether，简称MTBE)普遍存在汽油污染的地下水中。

The columns exhibited good separation ability for disubstituted benzene isomers, especially for xylenes and cresols. In addition, the three peralkylated-β-CD columns offer better selectivity than the (2,6-di-O-benzyl)-β-CD column.

同一根柱不同次进样和不同柱之间表现出良好的重复性，保留时间的相对标准偏差小于8.5%；对使用大约40次后的溶胶-凝胶柱重新进行测试，柱效下降不明显，说明该类色谱柱的稳定性良好。

The results showed that the dithione R is the most stable tautomer of all the tautomers in the form of isolated or hydrated isomers.

计算结果表明，2，6-二巯基嘌吟无论是孤立分子还是一水合物，其二硫酮式R是最稳定异构体。

For the stablest isomers of Si3Xn(X=C,O,N;n=1,2) clusters, the electronic structure, vibrational properties, bond properties and charge properties are analyzed.

并对最稳定结构的电子结构、振动特性、成键特性和电荷特性等进行了理论研究。

Enantiomer or solid-state form ratios (e.g., for racemates, and for defined admixtures of isomers or enantiomers or solid-state forms); solubility profile (aqueous and nonaqueous as applicable); partition coefficients; solution pH; dissociation constant; melting or boiling point; refractive index; specific gravity.

该要求可以通过提供下述信息来满足：名称（通用名、化学名、编码等）、化学摘要服务编码、性状描述（如：外观、颜色、物理状态）、分子式和分子重量、结构式、立体化学（找出手性中心、顺式反式异性等）、对映结构体比率（如：外消旋物、规定的异构体、对映异构物和固态形式的混合物）、溶解度概况、分配系数、溶液pH值、解离常数、熔点或沸点、折射率、比重。

Enantiomer or solid-state form ratios (e.g., for racemates, and for defined admixtures of isomers or enantiomers or solid-state forms); solubility profile (aqueous and nonaqueous as applicable); partition coefficients; solution pH; dissociation constant; melting or boiling point; refractie index; specific graity.

该要求可以通过提供下述信息来满足：名称（通用名、化学名、编码等）、化学摘要服务编码、性状描述（如：外观、颜色、物理状态）、分子式和分子重量、结构式、立体化学（找出手性中心、顺式反式异性等）、对映结构体比率（如：外消旋物、规定的异构体、对映异构物和固态形式的混合物）、溶解度概况、分配系数、溶液pH值、解离常数、熔点或沸点、折射率、比重。

The aminoindazole side products were formed from Z -isomers of these oximes, via the corresponding nitrile intermediates under the reaction conditions.

aminoindazole方所形成的产品的Z 异构这些肟、经相应的反应条件下丁腈中间体。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。