色异构体

基本解释 (translations)

chromoisomer

与色异构体相关的网络例句 [注：此内容来源于网络，仅供参考]

The establishment and relaxation processes of the transient gratings, which are formed by two recording 514nm beams with different polarization directions, SS, PP, SP and ±45℃, are investigated. Using the weak absorption of the chromophores at 632. 8nm and the positive dichroism of the chromophores molecules, a kind of bi-photonic transient gratings, owing to the periodic distribution of Trans and Cis isomers, is established first time in azo-dye doped polymeric bulk sample.

实验考察了两束514nm的写入光在不同偏振情况下（SS，PP，SP和±45），在样品中形成的瞬态栅的建立和弛豫情况；利用偶氮生色团在632.8nm波段的微弱吸收和生色团分子的正二向色性，首次在块状偶氮聚合物材料中形成一种基于生色团反式和顺式异构体密度分布的双色光瞬态栅；利用瞬态栅的快速建立和弛豫，考察了其在衍射型全光开关方面的潜在应用。

In chapter 6, seven pairs of diastereoisomers of podophyllum lignans at C4-position, including three pairs of spin labeled compounds, were separated by MEKC with 20mM sodium tetraborate-30mM SDS-10％ 2-propanol (pH=9.5-9.7) within 20min.

第六章：首次利用胶束电动毛细管色谱分离了七对抗癌药物鬼臼类木脂素在C4位的差向异构体，该方法可用来鉴定分析物的纯度、确定自旋标记化合物C4-H的构型等，为研究差向异构体不同的抗癌机制提供检测手段。

The results showed that the four stereoisomers of soman were well separated under the defined chromatographic conditions. CP-）soman was only detected stereoisomer in the intoxicated rabbit blood and eliminated rapidly, the toxicokinetics could be described by a two-compartment model after rabbits received soman via vein.

结果可见梭曼4个异构体在确定的气相色谱条件下得到了较好地分离；给兔iv梭曼43.2 μg·kg-1后，血中仅测到一对CP梭曼，其消除过程符合二室开放模型， V d=2.1 L·kg-1， t 1/2α=4.5 s， t 1/2β=72 s， AUC(15～300 s)=2.08 mg·s·L-1， CL =21 mL·kg-1·s-1，血中CP梭曼在血中消除过程反映了机体对梭曼毒性异构体的解毒过程。

The optimal carrier gas velocity of prepared SE-30 series capillary chromatographic columns was studied and used to separate isomeric compounds. The efficiency of SE-30 capillary chromatographic columns has been studied with different diameters, film thicknesses and oven temperatures, using n-do-decane, phenol, aminobenzene, and butyl acetate as test samples.

研究自制的SE-30系列毛细管气相色谱柱的载气最佳线速度，并应用于同分异构体的色谱分离分别用十二烷、苯酚、苯胺、醋酸丁酯作试祥在不同载气线速条件下对不同口径、不同膜厚、不同柱温的SE-30毛细管色谱柱的柱效进行考察，并在最佳线速度条件下分离异戊醇、硝基氯苯、硝基甲苯及二乙苯同分异构体体系。

The separation of optical isomers of 2, 2'-dihydroxy-1, 1'-binaphthyl and 2, 2'-diamino-1, 1'-binaphthyl was studied by reversed-phase high performance liquid chromatography on a chiral stationary phase consisting of-hydroxypropyl-β-cyclodextrin (Cyclobond Ⅰ 2000 SP)using methanol/water as the mobile phase. The effects of mobile phase ratio, flow rate and column temperature on separation of optical isomers of DHBN and DABN were investigated.

在S-羟丙基－β-环糊精手性柱(CyclobondⅠ2000 SP)上用反相高效液相色谱法研究了2，2'-二氨基－1，1'-联萘和2，2'-二羟基－1，1'-联萘光学异构体的分离，考察了流动相组成、流速以及柱温等对联二萘胺和联二萘酚光学异构体分离的影响。

To study the bioactive components from water soluble extract of the Chinese eaglewood, various column chromatography of Chinese eaglewood led to the isolation of ten compounds. Their structures were elucidated as 2,3-bis(3-hydroxyphenyl)- propan-1-ol (1), [(2R,3R)-3-(4-amino-3,5-dimethoxyphenyl)oxiran-2-yl]methanol (2), 8-chloro-4'- methoxy-5,6,7,3'-tetrahydroxy-2-(2-phenethyl)-5,6,7,8-tetrahydrochromone (3), 4'-methoxy-5,6,7,3'-tetrahydroxy-2--5,6,7,8-tetrahydrochromone (4), the isomer of 4 (5), 4'-methoxy-5,6,7,8-tetrahydroxy-2-(3'-hydroxyphenethyl)-5,6,7,8- tetrahydrochromenone (6), 4'-methoxyisoagarotetrol (7), 6-hydroxy-2-(2-hydroxy-2- phenethyl)-chromone (8), 6-hydroxy-2-(2-phenethyl)-chromone (9), 6-hydroxy-2-(4'- hydroxy-2-phenethyl)-chromone (10), and Guaiacylacetone (11) by means of spectral analysis and comparison with references.

为了进一步发现沉香中具有生理活性的化学成分，本文对国产沉香的水溶性成分进行了研究，从中分离得到11个化合物，通过红外、紫外、质谱、核磁共振(1H-NMR， 13C-NMR， COSY， HSQC， HMBC， ROESY)波谱解析，分别鉴定为：2，3-二(3-羟基苯基)-丙-1-醇(1)，[(2R，3R)-3-(4-氨基-3，5-二甲氧苯基)-2-氧化烯基]甲醇(2)，8-氯-4'-甲氧基-5，6，7，3'-四羟基-2-(2-苯乙基)-5，6，7，8-四氢色原酮(3)，4'-甲氧基-5，6，7，3'-四羟基-2-(2-苯乙基)-5，6，7，8-四氢色原酮(4)，化合物3的差向异构体(5)，4'-甲氧基-5，6，7，8-四羟基-2-(3'-羟基-2-苯乙基)-5，6，7，8-四氢色原酮(6)，4'-甲氧基异沉香四醇(7)，6-羟基-2-(2-羟基-2-苯乙基)色原酮(8)，6-羟基-2-(2-苯乙基)色原酮(9)，6-羟基-2-(4'-羟基-2-苯乙基)色原酮(10)和Guaiacylacetone (11)。

Isopentanol, nitrochlorobenzene, nitrotoluene and diethylbenzene were well separated in the range of optimal carrier gas velocity of 13~17cm/s.

SE-30系列毛细管色谱柱的最佳载气线这范因为13~17cm/s，且在最佳线速度下很好地分离了异戊醇、硝基氯苯、硝基甲苯及二乙苯同分异构体体系。

We selected different eluents according to different diasteroisomers and gained the singles of the diasteroisomers by the column chromatography.

经过简单易行的薄层色谱分析法选择了不同的洗脱剂，然后通过柱色谱分离，得到了多对非对映异构体的α-体和β-体。

This paper introduces tests of constituents and isomeric compound contents of PXE、PEPE and M/DBT produced by several chemical plant by way of gas chromatography and gas chromatography-mass spectrograph combination , and also gibes some comments on present status and quality control of the insulation oil.

本文介绍了采用气相色谱分析及气质联用分析方法对各厂家生产的PXE、PEPE、M/DBT的组份及其同分异构体的含量进行测定的情况，对绝缘油品质的现状及质量的控制提出了一些见解。关键词：绝缘油；气相色谱；组分分析；同分异构体

Low-boiling phenols in low-temperature coal tar are important chemical raw materials. For the identification and determination of the individual phenol boiling below 210℃ in the low temperature coal tar, the methods of gas chromatography, liquid-liquid chromatography followed by ultra-violet analysis and fractional distillation followed by infrared analysis were evaluated and compared.

随着煤炼油工业的发展，煤焦油中的酚类，特别是低級酚，作为化工原料的利用很重要，我們应用(1)气液色譜法，(2)液液色譜与紫外光譜法結合及(3)精餾与紅外光譜法結合三种不同方法对210°以前的低級酚进行了各种异构体的成分分析，比較分析結果：三种方法对同一样品进行分析时，最大絕对誤差在2％以内，其中以气液色譜法最为快速，液液色譜法次之，精餾-紅外光譜法費时間較多；但后二种方法所得数据較完全。

与色异构体相关的网络解释 [注：此内容来源于网络，仅供参考]

annatto：胭脂树

在联结4个Chromolith柱以增加色谱柱长度来提高绝对塔板数的例子,总柱长有400mm. 该结果是因为整体色谱柱反压低才得以实现. 色谱图表明12min内胭脂树(annatto)果实中norbixin和bixin反式异构体基本得到分离.

DDE：滴滴伊

利用气相色谱-电子捕获检测(GC-ECD)方法对我国华北、华东、华南和西南地区松叶中六六六(HCH)和滴滴涕(DDT)的残留量进行了测定,结果表明,松叶中HCH 4种异构体(α,β,γ,δ)的含量以β-HCH为最高,占HCH总量的38%~46%.HCH、DDT和滴滴伊(DDE)的含量范围分别为24.7μ35.5ng/g干重,

pseudomer：雁异构体,假异构体

pseudoisochromatic plate 色盲图,伪等色图 | pseudomer 雁异构体,假异构体 | pseudomonchromator 雁单色仪

homochromatic photometry：同色光度测量法,同色光度学

homocentric rays 共心光线 | homochromatic photometry 同色光度测量法,同色光度学 | homochromo-isomer 同色异构体

homochromic：同色异构体

homochromatography 同系色谱法 | homochromic 同色异构体 | homochromo-isomer 同色异构体

homochromic isomer：同色异构体

homochemical compound 二原子化合物 | homochromic isomer 同色异构体 | homocycle 同素环

metameric：同分异构的

metamer 位变异构体;条件等色 | metameric 同分异构的 | metamericstate 位变异构态

metameric：位变异构的

metamer 位变异构体 条件等色 | metameric 位变异构的 | metamericcolour 异光变色色料

metameric state：位变异构态

metamer 位变异构体;条件等色 | metameric state 位变异构态 | metameric 同分异构的

raffinate：萃余液

已经用于二甲苯异构体分离、石油馏分中正构烷烃分离、葡萄糖与果糖分离等方面. SMB系统构成如图1所示,多根色谱柱首尾相接成一闭环系统,进料(Feed)和洗脱液(Eluent)入口与萃取液(Extract) 和萃余液(Raffinate)出口将之分为四区. 每隔一定时间Δt,