optical purity
英 [ˈɒptɪkl ˈpjʊərəti]
美 [ˈɑːptɪkl ˈpjʊrəti]
光学纯度
双语例句
- A chromatographic method for determining optical purity of fungicide, N acylalanines was reported.
报道了旋光性N-酰基丙氨酸类杀菌剂光学纯度的色谱分析方法。 - Optical grade with UV cut-off up to400 nm, greater optical purity than standard grades.
光学级紫外截止到400纳米，大于标准等级的光学纯度。 - It was shown that high optical purity lactide and crystallization in polymerization led to higher molecular weight PLA using low-toxic zinc lactate as catalyst.
在低毒乳酸锌的催化作用下，高光学纯度的单体以及聚合过程中的结晶都有利于制备高分子量聚乳酸。 - Determination of Optical Purity of Lactic Acid by HPLC-CSP
HPLC手性固定相法测定乳酸光学纯度 - Determination of optical purity of α-phenylethylamine by high performance liquid chromatography with pre-column derivatization
手性试剂柱前衍生化高效液相色谱法测定α-苯乙胺的光学纯度 - In the traditional lactic acid production methods, DL-lactic acid can be synthesized by chemosynthesis method, its cost is too high and its raw materials are venomousness; Optical purity lactate can be produced by Enzyme catalysis.
传统的乳酸生产方法中，化学合成法所用原料有剧毒，生产成本高：酶法生产乳酸工艺比较复杂，对生产条件要求较高，因此微生物发酵法生产乳酸成为乳酸生产的主要方法。 - A new capillary electrophoresis method was established for the optical purity analysis of levodopa.
建立了一种毛细管电泳测定左旋多巴药片光学纯度的新方法。 - The results showed that these factors obviously influenced the molar conversion and the optical purity of the product.
结果表明，上述因素对反应的摩尔转化率和产物（S）-CHBE光学纯度有显著影响。 - Utilizing dimethy succinate and benzoic aldehyde as starting materials, Mitiglinide was synthesized with a high optical purity (> 99%) in the overall yield 10.7% via a ten-step route including Stobbe condensation, hydrolyzation, catalytic hydrogenation and resolution.
以琥珀酸二甲酯和苯甲醛等为起始原料，经过Stobbe缩合、水解、催化氢化、拆分等十步反应，合成了具有较高光学纯度（>99%）的Mitiglinide，总收率为10.7%。 - Synthesis and Application of Optical Purity 2-Chloropropionic Acid in Chiral Pesticides
光学纯2-氯丙酸及其酯的合成与在手性农药中的应用 - A quantitative method was developed for optical purity determination of norgestrel by HPLC with γ-cyclodextrin bonded phases.
我们建立了γ－环糊精键合相分离分析十八甲基炔诺酮光学纯度的高效液相色谱方法。 - Optical purity was not changed.
光学纯度一定的中间体经合成至最终产物，其光学纯度不变。 - Study on the Optical Purity and Configuration of Alliin
蒜氨酸光学纯度和立体构型的研究 - Stereochemical Effect in Mass Spectrometry ( 19)── Determination of the Optical Purity of α-Phenylethylamine by Mass Spectrometry
质谱中的立体化学效应（19）&对映异构的α－苯乙胺光学纯度质谱测定 - Method I has been scaled up in industry in overall yield 41%, the optical purity of the product was 99.4%.
该还原方法未见文献士及道。本路线总收率为41%（以丙酸计），产物经毛细管电泳分析光学纯度为99.4%，符合国内外药典质量规格，并顺利地实现工业化生产。 - The optical purity of the p-chlorophenyl-1,2-ethanediol enantiomers was investigated, and the results determined by CE method were evaluated by comparing with those obtained by HPLC.
薄层色谱法用于环吡酮胺的纯度检查同时，也对该对映体样品进行了光学纯度检查，并与HPLC测定结果作比较。 - Application of salen catalysts led to higher chiral epichlorohydrin yield and higher optical purity of the product.
salen催化剂的应用使得该反应得到的手性环氧氯丙烷产率高且具有高光学纯度，因此，关于salen催化剂的研究得到广泛关注。 - Determination of Optical Purity of SR-Bioallethrin Enantiomers by Chiral High Performance Liquid Chromatography
手性高效液相色谱法测定SR-生物丙烯菊酯对映体的光学纯度 - D-phenylalanine · D-tartaric acid was treated with triethylamine in ethanol giving D-phenylalanine with 98% optical purity in 69% yield.
将D-苯丙氨酸·D-酒石酸在乙醇溶液中用两倍量的三乙胺中和，得到D-苯丙氨酸，总收率69.2%，光学纯度98%以上。 - It has a promising profit of synthesis by enzyme in micro-aqueous phase, for the more mild operational condition, good selectivity, lower cost, solvent and catalyzer recycling, high optical purity of production and etc.
微水相酶催化合成技术具有条件温和、专一性强、成本低、溶剂和催化剂可重复利用、合成产物高光学纯度高等优点。 - RESULTS: The two novel D ring synthons are of high optical purity.
结果：所合成的两个手性D环合成子光学纯度高。 - The optical purity of the product in the outflow is above 90% through 11 hollow fiber membrane modules with 22 cm length.
用中空纤维支载液膜双有机相逆流分级萃取技术，11个22cm长膜器串联，产品光学纯度达90%以上。 - R (+)-and S (-)-benproperine phosphate were recrystallized by EtOH. The optical purity was determined by chiral HPLC.
R和S苯丙哌林与磷酸成盐，经乙醇重结晶得R（+）和S（-）磷酸苯丙哌林。 - Results and conclusion The yield of final product was 78.4% and optical purity was 99.3%.
结果与结论目标化合物收率达到78.4%，光学纯度达到99.3%（以D-脯氨酸计）。 - The optical purity of product was increased to reached 97.7% ee after re-crystallization.
经过产物重结晶，光学纯度有大幅度的提高，为97.7%ee。 - Particularly in the past 20 years optical resolution by HPLC has progressed rapidly and has become a practical and useful method not only for determining optical purity but also for obtaining optical isomers.
在过去二十多年里，利用高效液相色谱进行对映体光学拆分已取得了巨大的进展，成为测定光学纯度和光学纯药物的确实可行的方法。 - The nutritional requirement of Rhizopus oryzae is simple and its output is in high optical purity.
米根霉的营养需求低，产出的乳酸光学纯度高。 - The chemical purity, optical purity of the final product achieves the requirements of ring-opening polymerization of lactide.
最终所得产品在化学纯度、光学纯度均达到了聚合级丙交酯的要求。 - Currently, high performance liquid chromatography method has been widely used in optical resolution of enantiomers, and has been become a practical and useful method not only for determining optical purity but also for obtaining optical isomers.
目前，高效液相色谱法已广泛应用于对映体的光学拆分，成为测定光学纯度和获得光学纯药物确实可行的方法。