职业中的致癌物质—每年至少导致152 000例癌症死亡。
Occupational carcinogens - responsible for at least 152 000 cancer deaths per year.
背景：动物研究发现联氨可能为肺部致癌物质，但人类研究相当少，且局限于癌症死亡率之调查。
Background: Animal studies suggest that hydrazine is a lung carcinogen, but human studies have been rare, rather small, and limited to cancer mortality.
同时，有没有确凿的证据，但它潜在的健康风险给人类，它被认为是可能的人类致癌物质，由国际癌症研究机构。
While there's no conclusive evidence yet that it has potential health risks to humans, it is considered a probable human carcinogen by the International Agency for Research on Cancer.
一个人得癌症的几率有多大取决于很多要素，与基因构成和接触致癌物质的几和时间长短等都有关系。
Anyone's risk for cancer depends on many factors, from genetic makeup to the amount and length of time of an exposure.
依据独立报的报道，该成分是涉及到癌症的主要物质，因为当与维生素c混合后，它转化成一种叫做苯的致癌物质。
The ingredient has been the subject of concern on cancer, because when mixed with Vitamin c, it turns into a carcinogenic substance called benzene, the Independent reported.
四氯乙烯是已知的致癌物质，在动物和怀疑导致癌症在人类。
PCE is known to cause cancer in animals and is suspected to cause cancer in humans.
在此外，氯乙烯已被任命为“可能致癌物质”，由国际交流协会癌症研究。
In addition, perchloroethylene has been named a "probable carcinogen" by the International Association for Research on Cancer.
甲醛是一种在实验室动物身上被证明会导致癌症的致癌物质。
Formaldehyde is a carcinogen that has been shown to cause cancer in lab animals.
科学家相信一些致癌物质、细胞内DNA分子意外地重新排列和 过滤性病毒感染等，都会触发癌症的发生。
Scientists believe that certain carcinogens, accidental rearrangement of DNA molecules in a cell, and virus infection can all be factors that trigger the action of cancers.
供你参考，碳氢化合物携带致癌物质，物质，会导致癌症。
For your information, hydrocarbons carry carcinogens, which are substances that will lead to, cancer.
讨论了过剩的癌症死亡率，发现在干洗工人暴露于氯乙烯(PCE)的，一种已知的致癌物质，动物和可能存在的人类致癌物质。
Discusses the excess cancer mortality found in dry cleaning workers exposed to perchloroethylene (PCE), a known animal carcinogen and probable human carcinogen.
讨论了过剩的癌症死亡率，发现在干洗工人暴露于氯乙烯(PCE)的，一种已知的致癌物质，动物和可能存在的人类致癌物质。
Discusses the excess cancer mortality found in dry cleaning workers exposed to perchloroethylene (PCE), a known animal carcinogen and probable human carcinogen.
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