有毒物质

The mechanism of disease resistance is discussed from four aspects,that is, for restraining pathogenic microorganism, for preventing venenous substance such as amine and ammonia from accumulating, for stimulating the system of immunity and for eliminating contamination and purifying environment.

摘 要：从4个方面论述了微生态制剂对水产动物的抗病机理：抑制病原微生物；能防止有毒物质胺和氨的积累；刺激免疫系统，提高免疫力；消除污染物，净化环境。

Arsenious oxide ( arsenic trioxide or white arsenic , As2O3) is used in pesticides, as a pigment, and as a preservative of hides and wood; this is the poisonous " arsenic " in detective stories.

砷氧化物(As2O3)常被用做杀虫剂、色素，以及皮革和木制品的防腐剂，在许多侦探小说中曾提及这种有毒物质砷，即砒霜。

Arsenious oxide (arsenic trioxide or white arsenic, As2O3) is used in pesticide s, as a pigment, and as a preservative of hides and wood; this is the poisonous "arsenic" in detective stories.

砷氧化物(As2O3)常被用做杀虫剂、色素，以及皮革和木制品的防腐剂，在许多侦探小说中曾提及这种有毒物质砷，即砒霜。

Arsenious oxide (arsenic tri oxide or white arsenic, As2O3) is used in pesticides, as a pigment, and as a preservative of hides and wood; this is the poisonous "arsenic" in detective stories.

砷氧化物(As2O3)常被用做杀虫剂、色素，以及皮革和木制品的防腐剂，在许多侦探小说中曾提及这种有毒物质砷，即砒霜。

To winnow down the strongest candidates, they tried exposing these bacteria to what should have been far more toxic substances, antibiotics.

为了减少所最强的候选人，他们试图揭露这些细菌究竟应该已经远远有毒物质，抗生素。

Toxic substance is balloonfish toxin, it is poison of a kind of nerve, stable to heat, need 220 ℃ above square dissoluble; Salt bloats or insolation cannot be destroyed.

有毒物质为河豚毒素，是一种神经毒，对热稳定，需220℃以上方可分解；盐腌或日晒不能破坏。

Results: The 12 kinds of toxicants including methyl acetate, ethyl acetate, benzene, toluene, ethylbenzene, butyl acetate, p-dimethylbenzene, m-dimethylbenzene, o-dimethylbenzene, n-butanol, cinnamene and cyclohexanone were separated well. Good linear relationship sensitivity and reproducibility were obtained and detection limits (S/N=3) of them were 0.2 mg/l respectively. Conclusion: In this paper, a new method for simultaneous determination of 12 kinds of toxicants by using gas chromatography has been described.

结果：对乙酸甲酯、乙酸乙酯、苯、甲苯、乙酸丁酯、乙苯、对二甲苯、间二甲苯、邻二甲苯、正丁醇、苯乙烯、环己酮12种有毒物质的分离效果好，线性和重现性均较好，方法的检测限达到0.2 mg/L。

In the meantime, it still has purify water quality, reduce content of content of float of water horizontally pivoted hung, decolour, deodorization, go peculiar smell, eliminate the function such as harmful and toxic substance, be like: Nitrite, sulfide, wide chart sterilization, provide the security of hygiene and epidemiology respect.

同时，它还有净化水质，降低水中悬浮物含量，脱色、除臭、去异味、消除有害有毒物质等功能，如：亚硝酸盐、硫化物等，广谱灭菌，提供卫生学和流行病学方面的安全。

Showed that large areas of liver could be treated successfully and that large remnants of devitalized tissue did not produce toxic effects to the animal.

他们指出大面积的肝组织可以被成功治疗，同时残余的衰亡组织不会对动物体产生有毒物质。

Objective To observe the DNA damage effect of cadmium on hominine malignant hepatocarinoma SMMC-7721 cell line,and to discuss the application of CASP software in analysis of single cell gel electrophoresis results.

镉是一种重要的环境污染物，被美国毒物和疾病注册处列为第6位危害人体健康的有毒物质。1996年，Waalkes等发现了镉的抗肿瘤作用，使镉作为细胞毒性抗癌药物成为可能〔1〕。

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。