查询词典 carcinogenic substance

Carcinogenic factors that have been confirmed include Helicobacter pylori infection, nitroso compound and other factors such as high salt foods, male and familial hereditary abnormality.

已确认的胃癌致癌因素包括幽门螺杆菌感染(Helicobacter pylori，Hp)和亚硝基复合物，其它因素为摄入高盐食物、男性及家族性遗传的异常等。

Because cytochrome P450 2E1 is involved in the metabolic oxidation of carcinogenic nitroso compounds, including N -nitrosoamines, interindividual differences in the metabolic capacity of CYP2El are assumed to be associated with cancer susceptibility.

由于细胞色素P4502E1(CYP2E1)是亚硝胺类化合物活化不可替代的代谢酶，且又受乙醇和亚硝胺的强烈诱导，因而CYP2E1与亚硝胺类相关癌症特别是胃癌的关系值得探讨。

Catechin, thearubigins, and theaflavins of Tibetan tea, and products of their oxidation, degradation and complexity, contain important elements to prevent cancer, and reduce cancer and mutation so as to maintain a strong ability to kill cancer cells. The tea is also noted to prevent forms of carcinogenic nitroso compound, and restrain some enzyme that could activate carcinogen. Tibetan tea is rich in many materials, such ascatechin,β-carotene, vitamin

防癌、抗癌藏茶中茶红素、茶黄素、儿茶素以及其氧化、降解、络合产物都是重要的防癌、抗癌、抗突变的成分，有很强的杀灭癌细胞的作用；对人体致癌性亚硝基化合物的形成具有阻断功效，能抑制某些能活化致癌原的酶系；藏茶富含的多种物质，如儿茶素、β—胡萝卜素、维生素B1、B2、C、E等都有抗癌的作用。

If however instead of clean mineral oils tar oils are used, these often contain high amounts of polyaromatic hydrocarbons, which – as discussed before - are known to be carcinogenic.

如果用了矿物油焦油，就会含有多环芳烃-致癌物。

Carcinogenic free radicals were formed in microwaved plants, especially root vegetables.

致癌的自由基形成microwaved植物，特别是根蔬菜。

In metabolizing argine, there had no obvious difference among three strains and the control 3 1 DH. Thus, three selected strains had better characters of degrading argininc that they couldn"t over-degrade arginine to produce large numbers" precursors of carcinogenic ethyl carbamate as citrulline, etc.

分析表明，精氨酸分解代谢方面，三个菌株与对照31DH没有明显差异，由此说明，三个优选菌株精氨酸代谢特性良好，不会过多降解精氨酸、代谢产生瓜氨酸等前体物质，从而不会导致致癌物质——氨基甲酸乙酯的大量合成。

Immunosuppr essive, genotoxic, teratogenic and carcinogenic.

诱导氧化DNA 损伤和通过醌类形成产生的直接DNA 加合。

Results:①Excitation of the NVM by L-glut amate,injection of substance P into the nucleus dorsomedialis, n ucleus paraventricularis or rostral ventrolateral medulla,all induce d pressor responses.②NVM pressor responses could be attenuated by preinjection of ［D-Pro2,D-Phe7,D-Trp9］-SP (DPDPDT,a substance P antagonist)bilate rally into the NDM,NPV or RVL,but preinjection of atropine into the RVL had no s uch effect.

结果 ：①L-谷氨酸兴奋NVM、P物质注入背内侧核室旁核或延髓头端腹外侧区均引起升压反应；②NVM升压反应可被双侧NDM、NPV或RVL内预先注射［D- Pro2，D-Phe7，D-Trp9］-P物质衰减，但RVL内注射阿托品无此效应；③酚妥拉明i.v。

Antitoxin is substance that acts against a poisonous substance and prevents it from having a harmfuleffect.

抗毒素是抵抗有毒物质并防止其产生有害作用的物质。

Bone substance porcelain brief introduction:The Royal bone substance porcelain is 1 kind drive fame is England Royal nobility affection of porcelain and ceramics appropriation article.

骨质瓷简介：皇家骨质瓷是一种被誉为英国皇家贵族钟爱的陶瓷专用品。

Alternatively, the con- trollers can use the synchronous rectifier itself or loss- less inductor current-sensing methods to provide overload protection with lower power dissipation.

另外，康威特罗勒斯可以使用同步整流器本身或亏损减少电感电流检测方法，以提供低功耗过载保护。

Mr. Dauber's other Schatz hangs in his home movie studio.

多伯把沙兹的另一件作品挂在家里的电影室。