查询词典 aldehydes

The carbon units are designed to remove odor-causing components such as hydrogen sulfide, mercaptans, organic acids, aldehydes, and ketones in various industrial and municipal applications.

碳装置的目的是消除产生异味的零件，如各种工业应用中的硫化氢，硫醇，有机酸，醛成分和酮。

In this paper, we have initiated the relationship between molecular connectivity index and retention value in TLC for ten amino acids, eleven sulfides, six mercaptans and twenty 2,4-dinitrophenylhydrazones of aldehydes or ketones respectively.

把分子连接性指数法应用到10种氨基酸、11种硫醚、6种硫醇和20种醛、酮的2，4－二硝基苯腙薄层色谱保留值的相关性研究中。

The impure carbon dioxide which can be obtained from any available source of carbon dioxide will typically contain as impurities sulfur compounds such as carbonyl sulfide, hydrogen sulfide, dimethyl sulfide, sulfur dioxide and mercaptans, hydrocarbon impurities such as aldehydes, alcohols, aromatics, propane, ethylene, and other impurities such as water, and carbon monoxide.

可由任何二氧化碳源得到的低纯度二氧化碳通常含有以下杂质：硫化合物，例如硫化羰、硫化氢、二甲硫、二氧化硫和硫醇；烃杂质，例如醛、醇、芳族化合物、丙烷、乙烯；以及其它杂质，例如水和一氧化碳。

The main volatile aroma constituents of Muscat Hamburg were composed by terpenes, esters, aldehydes, and ketones.

萜类、醛酮类和酯类是玫瑰香葡萄主要的挥发性香气物质。

Such compositions comprise at least one textile-cleaning surfactant; droplets of miscible silicones comprising both a polarly-functionalized, preferably nitrogen-containing amino or ammonium functionalized, polysiloxane component and a nitrogen-free non-functionalized or non-polarly-functionalized polysiloxane component; and a perfume component comprising fragrant aldehydes and/or ketones or a pro-perfume capable of providing such aldheyde and/or ketone perfume materials in situ.

这些组合物包含至少一种纺织品清洁表面活性剂；可混溶硅氧烷液滴，所述可混溶硅氧烷液滴不仅包含极性官能化的聚硅氧烷组分，优选含氮的氨基或铵官能化的聚硅氧烷组分，而且还包含不含氮的非官能化的或非极性官能化的聚硅氧烷组分；和包含芳香醛和/或酮的香料组分或能够就地提供这些醛和/或酮香料物质的前香料。

Carbonyl reductase is a monomeric oxidoreductase that catalyzes the NADPHdependant reduction of a variety of quinones, ketones, and aldehydes. It is widely distributed in the cytoplasm of various tissues of mammalian and non-mammalian species, and is involved in detoxification, physical regulation, as well as in drug metabolism.

羰基还原酶是一类依赖于辅酶NADPH催化各种醌、酮和醛等物质还原的单体氧化还原酶，它们广泛分布于哺乳动物和非哺乳动物各种组织的细胞质中，具有解毒、生理调节和药物代谢等重要功能。

Ceric ammonuim nitrate and sodium bromate series oxidation system was used selectively to oxidize oximes into the corresponding aldehydes and ketones in water.

在水溶液中，用硝酸铈铵溴酸钠串联氧化体系对肟进行选择性氧化生成相应的醛

The use of systemic therapy, while the affected part shearing, coating polymers of aldehydes or nystatin ointment nystatin sodium, usually in 2 - 4 weeks of recovery.

在用全身疗法的同时，患部剪毛，涂制霉菌素或多聚醛制霉菌素钠软膏，一般在2--4周内痊愈。

A variety of aldehydes were converted into acylals in good yields with anhydride in the presence of a catalytic amount of zinc bromide under solvent-free conditions.

以醛和酸酐为原料，溴化锌为催化剂，无溶剂条件下高产率地合成了偕二酸酯（其中醛与苯甲酸酐的反应是首次报道）。

Employing high-dilute method and 5-fold excess amine prepared two new "two-armed" acyclic diamine intermediates I_a and I_b, which are also intermediates of synthesizing microcyclic compounds, and eight aromatic Schiff bases, II_, were synthesized from reaction of I_a or I_b condensing with different aromatic aldehydes. Their composition and structure were characterized by Elemental analysis, IR, UV-Vis, LIF,~1HNMR and MS. The hydrogen bond interactions and MS fragmental patterns were also discussed.3. Several novel transition metal complexes using II_a as ligand were synthesized and identified by Elemental analysis, IR, UV-Vis,~1HNMR and molar conductivity.

1，采用高度稀释及胺过量五倍的方法合成了两个具有吡啶双酰胺臂的非环二胺Ⅰ_a和Ⅰ_b，并以它们为中间体进一步合成了八个芳香席夫碱Ⅱ_a-Ⅱ_h，通过元素分析及各种波谱测试鉴定了它们的组成与结构，对化合物的UV-Vis、LIF、IR、~1HNMR及MS进行了较为详细的讨论，还探讨了席夫碱的氢键相互作用及质谱裂解方式； 2，以席夫碱Ⅱ_a为配体合成了几个新型的过渡金属配合物，并通过元素分析、UV-Vis、IR、~1HNMR、摩尔电导及DTA—TG对其进行了表征，讨论了化合物的配位情况及配体在配位中的脱质子行为。

You can buy sweetened beverages, if that suits you.

你若喜欢的话，可以买些含有糖精的混合饮料。

As many of you are probably aware, Nick and Vanessa were recently faced with an embarrasing sex scandal after naked pictures of the two getting jiggy with it in a hot tub surfaced the net.

正如很多你可能知道，尼克和 Vanessa 最近面临一个尴尬的绯闻事件后，赤裸裸的图片两个越来越jiggy与它在浴缸中的一个热点浮现净。