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芳香化合物

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Laccase (benzenediol: oxygen oxidoreductase: EC 1.10.3.2) is a type of multi copper-containing polyphenol oxidases capable of oxidizing a wide range of polyphenols and other lignin-derived aromatic compounds, and the enzyme is involved in lignin degradation and in the development of soil humus.

漆酶(EC 1.10.3.2,对苯二酚:氧氧化还原酶)是一种含多个铜原子的多酚氧化酶,催化氧化多种芳香族化合物,在木质素矿化降解、腐殖质形成等过程中发挥重要作用。

It was found that Lewis acid-metal is a preferable catalyst system for the polymeri- zation of aromatic nitriles, and the polymerization rate is as about 10 times fast as Lewis acid alone.

结果表明以含质子化合物或水与Lewis酸组成的体系并不是有效的催化体系,不适用于催化芳香族腈进行聚合。

The selective chlorination reaction of the aromatic ring among the aromatic compounds is very important in the economy and environmental protection aspects.

芳香族化合物的芳环选择性氯代,在经济和环保上都是一个重要的课题。

A white, crystalline, aromatic compound, C10H14O, derived from thyme oil and other oils or made synthetically and used as an antiseptic, a fungicide, and a preservative.

百里粉一种芳香的白色结晶化合物c10h14o,从百里油或其它油中提炼取得或人工合成,可用作消毒剂、杀真菌剂和防腐剂

In chemical terms, humic substances are condensations of aromatic compounds combined with the decomposition products of proteins and polysaccharides.

在化学条款中,腐殖质的物质是把芳香的化合物与蛋白质和多糖的分解产品结合起来的凝聚。

Knoevenagel condensations of aromatic aldehydes with active methylene compounds were performed in the presence of room temperature ionic liquid without any additional volatile organic solvents.

6利用室温离子液体作催化剂,在无另加有机溶剂的条件下,考察了芳香醛和活泼亚甲基化合物的Knoevenagel缩合反应。

Of or relating to the specific pairing of the purines and pyrimidines between strands of a DNA or an RNA molecule.

杂环芳香族结构类如吡啶、嘧啶类化合物在1600厘米-1(6.25微米)区域也有相似的一组谱带。

Likely triggered by interactions with nearby galaxy M81, M82's intense star formation activity appears to be blowing out immense clouds of dust and PAHs extending nearly 20,000 light-years both above and below the galactic plane. M82 is about 12 million light-years away in the constellation Ursa Major.

或许是由于附近M81星系相互作用引发的,M82剧烈的恒星形成活动看上去就像正在膨胀的巨大尘埃云,多环芳香烃化合物在星系盘面上下延伸了将近2万光年。M82位于距离我们1,200万光年远的大熊星座内。

The dissertation discusses the synthesis of poly-aromatic hydrocarbons through electrophilic cyclization using ICl complex.

本篇论文的目的在於研究亲电性环化方法合成多芳香环化合物。

The basic principle of the toughening and modifying on bismaleimide resin was introduced, the characteristics and the modifying effects of the toughening and modifying with thermoplastic resin, the combination of aromatic diamine and epoxy resin, organic silicone, allyl compounds, cyanate ester resin, the blends of three-dimensional braided carbon and Kevlar fabrics and so on were discussed.

介绍双马来酰亚胺树脂增韧改性的基本原理,论述了热塑性树脂增韧改性、芳香族二胺和环氧树脂相结合增韧改性、有机硅增韧改性、烯丙基系列化合物增韧改性、氰酸酯树脂增韧改性、三维编织碳纤维和凯夫拉纤维混合增韧改性等方法的特点与改性效果。

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With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务,乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐,因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。

Closes the eye, the deep breathing, all no longer are the dreams as if......

关闭眼睛,深呼吸,一切不再是梦想,犹如。。。。。。