For the apolar compounds, the derivatization was not necessary.

对于非极性化合物，不定要进行这样的衍生化。

The key step of the synthesis of chroman derivatives is to construct chiral chroman ring.

合成色满衍生物的关键构建含有手性中心的色满环。

Settlement of a derivative instrument with physical delivery of an underlier.

指采取实物交付衍生证券标的物的结算方式。

The spectra and photophysics of 2-aryl-benzoxazole derivatives have been studied in this work.

对2-芳基苯并唑衍生物的光谱及光物理行为进行了研究。

Syhthesis of novel derivatives of Naphtol AS and modification used for C.I.

Pigment Red 57: 1 (新的色酚AS衍生物的合成及对C.

The structure-activity relationships of heterocyclic hypotensor and ramification are discussed in this paper.

文章从结构与活性的角度分析了近年来国内外杂环类抗高血压药及其衍生物的构效关系。

FMN (flavin mononucleotide) A derivative of riboflavin that is a coenzyme in electron-transfer reactions.

素单苷（FMN）：素的衍生物，在子传递反应中辅酶，作为多脱氢酶的辅助因子起作用。

Herein we review the chemical studies on sphingosine and related lipid derivatives,with focus on their chemical synthesis.

本文主要综述了鞘氨醇等衍生脂质的化学研究,特别它们的化学合成进展。

General approaches involve the nucleophilic cycloalkylation, carbenoids addition of certain amino acid derivatives and derivatization from simple cyclopropane compounds.

制备方法包括对简单氨基衍生物的亲环烷基化、类卡宾加成以及简单环丙烷化合物的衍生化合成等。

A method was developed for pre-column derivatization and gas chromatographic analysis of validamycin A residue in soil.

建立了土壤中井冈霉素A残留的柱前衍生化气相色谱分析方法。

Stereoselective oxidative dimerization of the enolate of carboxylic acid derivatives is summarized focusing on the stereoselectivity of the process.

综述羧衍生物的烯醇盐氧化二聚成键的规律,重点立体选择性的过程。

COMPOSITION: It is complex petroleum derivative products mixture, Mixed with Fatty group, cyclanes, carbon combined with chloride products organic solvent.

这由石油衍生的复杂混合物；脂肪族；环烷烃碳氯化合物的有机溶剂。

This article describes property, production and comprehensive manufacturing status of methyl chlorsilane, and the application and market status of derivate.

叙述了甲基氯硅烷的性质,生产及综合加工简况,并简介其衍生品的应用及市场状况。

In the embryo an undifferentiated mesodermal component of an early trunk or tail segment or metamere, derived from paraxial mesoderm.

在胚胎时，个无法区别的中胚层组成个早期躯干、或尾部片段或体节，衍生自轴旁的中胚层。

OBJECTIVE: Child-Pugh classification is used to grade liver damage but it do not reflect the quantitative functional hepatic reserve.

Child-Pugh 分级方法用来做肝损伤的分级,但不能够定量的反映肝的储备能力， Methacetin非那西汀的衍生物 ,在肝脏微粒体内脱甲基生成13CO2 和对乙酰氨基酚 。

Two kinds of bis-hydroxyalkyl or bis-methyl formylate subtituted bis-ethylenedithio-tetrathiafulvalenes (BEDT-TTF) and their charger-transfer complexes (CT-complexes ) with TCNQ were synthesized.

合成了带双羟烷基及双甲甲酯基取代的两双二硫代亚乙基四硫代富瓦烯(BEDT-TTF)的衍生物及其它们与TCNQ的CT-络合物。

Several chiral aryl diphosphite ligands derived from pyranoside backbones of glucose and galactose were applied in Rh-catalyzed asymmetric hydroformylation of styrene.

合成了四个从葡萄糖及半乳糖衍生的手性芳基双膦配体,制备了手性双膦-铑(Ⅰ)配合物催化剂,并将其用于苯乙烯不对称氢甲酰化反应中。

The best cup characteristic are produced when the ratio of the degradation of trigonelline to the derivation of Nicotinic Acid remains linear.

最佳的杯中特征产出于这样的时间：葫芦巴酰胺降解与烟衍生的比率保持线性。

Effects of phenylsulfonyl and t - butylsulfonyl on the reduction of P - sulfonyl alcohol derivatives with Na - Hg were compared.

比较芳香族砜基和脂肪族砜基对钠-汞齐还原β-砜基醇衍生物反应的影响。

Betulin and betulinic acid, the triterpenes of the lupane family, are considered to be potential agents against tumoral cancer and HIV .

桦木醇、桦木具有羽扇烷结构的三萜化合物，目前的研究发现，它们具有较高的抗肿瘤、抗HIV病毒活性，它们的衍生物也有较高的生物活性。