Mesoionic carbenes are similar to N-heterocyclic carbenes.
中离子碳烯类似于氮杂环碳烯。
Heterocyclic compounds with nitrogen heteroatom (s) only.
仅含有氮杂原子的杂环化合物。
N-oxides of heterocyclic esters, amides, thioesters, and ketones.
杂环酯，酰胺，硫代酸酯和酮的N-氧化物。
Vegetables do not form heterocyclic amines or any other carcinogens during cooking.
蔬菜在烹饪过程中不会形成杂环胺或者其它致癌物。
In this paper, the study on heterocyclic HCMV protease inhibitors was reported.
对杂环类h CM V蛋白酶抑制剂进行研究。
New heterocyclic compounds, preparing method, pharmaceutical composition and use.
杂环化合物，制备方法，药物组合物和用途。
It's thought that compounds in cooked meat called heterocyclic amines (HCAs) are to blame.
原因据认为是熟肉中含有被称为杂环胺(heterocyclic amines,HCAs)的化合物。
The structures of some heterocyclic azo dyes were studied by PPP method in this paper.
用PPP方法研究了某些杂环偶氮试剂的结构。
Heterocyclic complexes are widely exiting in nature, and their applications are also widely.
杂环化合物广泛存在于自然界中，其用途也十分广泛。
These heterocyclic amines and some other carcinogens too are very often found in meat products.
在肉类产品中也会经常发现多环胺和其它一些致癌物。
The treatment of deleterious heterocyclic compounds in industrial waste water is an important field.
工业废水中有毒杂环化合物的处理是一个具有重大实用价值的研究课题。
Indole and its derivatives are very important heterocyclic intermediates in the industry of fine chemicals.
吲哚及其衍生物是一类非常重要的杂环类精细化工中间体。
This approach covers the substrate range of aliphatic, aromatic, heterocyclic and steric hindrance ketones.
该催化剂适用于各种脂肪酮、芳香酮、杂环酮和位阻酮。
This article reviews the ring opening reaction of five membered nitrogen containing heterocyclic compounds.
综述了近年来各种五元氮杂环的开环反应及其在有机合成中的应用。
N-Heterocyclic carbenes have become universal ligands in organometallic and inorganic coordination chemistry.
杂环卡宾已经成为有机金属和无机配位化学中广泛应用的配体。
Heterocyclic azo dyes are one group of the most important chromogenic reagents in spectrophotometric analysis.
杂环偶氮试剂是一类重要的有机显色剂。
Purine: Any of a class of heterocyclic compounds with a two-ring structure composed of carbon and nitrogen atoms.
嘌呤：嘌呤是对由碳、氮原子组成的双环结构的杂环化合物的统称。
Formation of heterocyclic amines is a unique feature of animals including fish and bird meat such as chickens and eggs.
形成杂环胺是动物食品的特征，包括鱼、禽肉如鸡肉，还有蛋类等。
We have, therefore, in both of the examples above, heterocyclic compounds with "built-in" or latent functionality.
上述两例中的杂环化合物，都具有“固有的”或潜在的官能基。
Heme, a complex heterocyclic compound, is an organic molecule derived from porphyrin with an iron atom at the centre.
血红素(一种复杂的杂环化合物)是来自中心含铁原子的的一种有机分子。
Because N-heterocyclic carbene has very high activity of reaction, it can react with all elements in periodical table.
杂环卡宾的反应性能较高，它们与周期表中几乎所有的元素都能发生反应。
Several quaternary salts of heterocyclic for monomethine indocyanine dyes are prepared by improving method on literatures.
采用改进文献的方法合成了一系列用于合成单菁染料的杂环中间体；
This paper describes the applications and the synthetic method of heterocyclic compounds Imidazolidone and Imidazolethione.
介绍了杂环化合物咪唑酮和咪唑硫酮类化合物的应用及合成方法。
Compounds having five-membered heterocyclic rings include chlorophyll, hemoglobin, indigo, tryptophan, and certain polymers.
五种成分的杂环化合物有叶绿素、血红蛋白、靛蓝、色氨酸和特定的聚合物。
A new nitrogen-containing heterocyclic pyrethroid library was designed and constructed using combinatorial parallel synthesis.
以菊酯为骨架，采用组合平行法，设计合成了新型含氮杂环的菊酯类化合物库。
Studying the synthesis of heterocyclic compounds and the biologic activity is one of the most spirited items in organic chemistry.
探索杂环化合物的合成及生物活性是有机化学中最具生命力的研究课题之一。
The progresses in five-membered heterocyclic metallocene analogic complexes and their application in olefin polymerization are reviewed.
综述了五元杂环类茂金属配合物的研究进展及其在烯烃聚合中的应用。
A series of researches indicated: direct linkage of heterocyclic to thio-acetic acid is a feasible method for constructing a new material.
一系列的研究说明：刚性杂环直接连硫乙酸是搭建新型材料可行的方法。
HMO characteristic polynomial and select eigenvalues for many heterocyclic benzenoids are calculated by using chemical graph theory methods.
应用化学图论计算了杂环芳烃HMO的选择本征值和本征多项式。
HMO characteristic polynomial and select eigenvalues for many heterocyclic benzenoids are calculated by using chemical graph theory methods.
应用化学图论计算了杂环芳烃HMO的选择本征值和本征多项式。
应用推荐