查询词典 carcinogens

The reaction mechanism for the formation of ultimate carcinogens diazohydroxide, diazonium and oxoniumions by α-hydroxylation-NPYR and the alkylation process of C and guanine were investigated including solvent effects at the B3LYP/6-31G(superscript **) level.

采用密度泛函理论，在B3LYP/6-31G水平上，研究了气相和水溶剂中，α-羟基化吡咯烷亚硝胺(-αhydroxylation-NPYR， A)代谢为终致癌物重氮氢氧化物、重氮烷阳离子和氧离子，以及C与鸟嘌呤碱基相互作用的反应机理。

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。

mitochondrial dnais the only inheritant substance except for the nuclear dna in a euˉkaryon cell,which is related to the oxidative phosphorylation of a cell.mitochondrial dna is the important target of carcinogens and is vulnerable because of its structure and function.the mutation of mtdna could reduce the nomal respitation and release large quantities of ros,whichincrease the danger of cancer happening.so,mtdna has been thought to be involved in carcinogenesis and recently more and more studies in this aspect have comeout.in this paˉper,we review the researches for relationship among mtdna mutation and tumors in digestion system,woman system,head and neck,urinary systemand blood system.

线粒体dna（mitochondrial dna，mt dna）是真核细胞中唯一存在的独立于核dna之外的遗传物质，与细胞的氧化磷酸化功能密切相关。mtdna自身的结构和功能特点决定了它是致癌物作用的重要靶点，易受致癌因素的损伤而发生突变。mtdna的突变可削弱正常的呼吸功能，释放高水平的活性氧，进而增加肿瘤发生的危险性，所以mtdna被认为与肿瘤发生有密切关系。近年来，这方面的研究越来越多，本文现就mtdna突变与消化系统肿瘤、妇科肿瘤、头颈部肿瘤、泌尿系统肿瘤等实体瘤以及血液系统恶性肿瘤之间的关系作一简单的综述。

Hepatic cirrhosis, virus hepatitis, alcohol, adipositas, diabetes mellitus, non-Alcoholic fatty live, flavacin and other chemcial carcinogens or water and soil factor are the nanocephalous cause of hepatocarcinogenesis which has been generally accepted.

HDAC6作为组蛋白脱乙酰化酶家族一员通过微管去乙酰化和HSP90的去乙酰化调控基因转录，改变细胞的运动能力从而参与肿瘤发生发展和肿瘤的转移以及肿瘤血管的生成。

But don't overcook: Well-done meats contain carcinogens too.

但是，注意不要烧烤过度，熟透的肉食中也含有致癌物质。

Several polynuclear aromatic hydrocarbons, many found in cigarette smoke, are potent carcinogens.

答：在香烟中发现多种多环芳香化合物，它们是致癌的物质。

Scientific research confirmed that the computer screen to produce a brominated dibenzofuran called carcinogens.

科学研究证实，电脑的荧屏能产生一种叫溴化二苯并呋喃的致癌物质。

Research confirms that the computer screen to produce a brominated dibenzofuran called carcinogens.

科学研究证实，电脑的荧屏能产生一种叫溴化二苯并呋喃的致癌物质。

Scientific research confirmed that the computer screen to produce a brominated dibenzofuran called carcinogens.

科学研讨证实，电脑的荧屏能发生一种叫溴化二苯并呋喃的致癌物资。

Biotransformation of carcinogens may be associated with hepatic phase Ⅰ and Ⅱ detoxifying enzymes.

化学致癌物的体内生物转化依靠肝脏的Ⅰ相和Ⅱ相代谢相酶来完成。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。