aromatic的例句大全

Tetrakis ( diethylamino ) phosphonium bromide ( TPB ) was a novel phase transfer catalyst used to prepare fluorinated aromatic compounds.

四 ( 二乙胺基 ) 溴化鏻 ( TPB ) 是制备含氟芳香族化合物的一种新型相转移催化剂.

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Immersion in aromatic or ketone solvents and strong oxidizing acids.

不能浸在芳香类、酮类溶剂以及强氧化性酸中.

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Synthesis and Characterization of a Bifunctional Initiator Containing Azo Bond and Aromatic Amine Group

含有偶氮键和芳香胺基双官能团引发剂的合成及表征游离基-阴离子引发剂

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The dragon butterflies in pairs and couples , ho , and amber flowers so aromatic and fragrant.

龙蝶双双而对对兮瑶花芬芬而馥馥 ﹒.

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Polycyclic Aromatic Hydrocarbons Exposure and DNA Oxidative Damage in Traffic Policemen of Beijing

北京市交警多环芳烃暴露及DNA氧化损伤水平研究

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The destruction of aromatic ring occurred during heating stage.

芳环的破坏主要发生在升温阶段.

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A method for extraction of aromatic hydrocarbon using sulfolane as solvent is described.

介绍以环丁砜为溶剂、萃取芳烃的方法.

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The carrier, active component and preparation method of the ammoxidation catalyst for aromatic hydrocarbon were described.

介绍了芳烃氨氧化反应催化剂的载体 、 活性组分和制备方法,以及国内芳烃氨氧化反应催化剂的研制情况.

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The second stage hydrogenation, adopts higher aromatic hydrocarbon, comes up to food grade white oil.

以高粘度基础油为原料, 采用两段加氢工艺, 生产合格的高粘度食品级白油.

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Not resistant to aromatic hydrocarbon solvents ( including some grades of petrol, or strong solvents ).

不耐芳烃类溶剂 ( 包括各种等级的汽油或强溶剂 ).

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Such toxic chemicals are made up of aromatic amine dyes which may cause cancer.

这些有毒的化学物组成的芳香胺染料可能会使人致癌.

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A new aromatic amine curing agent was synthesized from m aminophenol with 4, 4� �-dichlorodiphenyl sulfone.

本文提出了由间氨基酚与4, 4′-二氯二苯砜反应合成了一种新型的芳香族胺类固化剂.

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The oil-extended rubber obtained from rubber aromatic oil is of good processibility with satisfactory mechanical properties.

橡胶芳烃油生产的充油橡胶具有良好的工艺性能和机械性能.

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Extremely low aromatic content, ensuring no harmful to skin and no smell.

芳香烃含量极低, 确保不损皮肤及无刺激性气味.

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The constant current coulometry was established for determination of aromatic primary amine drugs.

用恒电流库仑法测定芳伯胺类药物含量.

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Ingredients : Dead Sea Salts , Sweet Almond Oil, Jojoba Oil, Vitamin E & Aromatic Oils.

死海盐, 甜杏仁油, 加州希蒙得木油, 维生素E,芳香油.

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In this paper is reported for the first time a new nucleophilic substitution reaction; substituting a secondary nitramino group on the aromatic ring with an azido group.

本文首次报告了叠氮基取代芳环上仲硝胺基的新亲核取代反应。

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A chemical compound containing the azido group combined with an element or radical. Most direct substitution of groups bound to an aromatic nucleus is limited to diazonium salts.

叠氮原子团和一种元素或一种基结合形成的一种化合物。大多数连于芳核能被直接取代的基团仅限于重氮盐。

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This review describes the recent progress in the antitumor substances of ascidians according to structural classifications such as peptides, polycyclic aromatic alkaloids, aliphatic alkaloids, polysulfides, macrolides and terpenoids.

本文按肽、稠环芳香族生物碱、脂肪族生物碱、多硫化物、大环内酯、萜类化合物等化学结构分类综述海鞘抗肿瘤成分的研究进展。

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A bitter aromatic gum resin that resembles asafetida.

一种苦味芬芳的树胶脂，类似阿魏胶。

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