The toxicity of chromium is related to its oxidation states, and the primary typical pollutant in chromium-containing electroplating waste water is hexavalent chromium.
铬的毒性与其存在状态有关，六价铬是电镀含铬废水中的主要特征污染物。
The paper reviewed the research of cooking fume on chemical composition, toxicity of breathing, mutation and epidemiological relationship with primary lung cancer.
综述了烹调烟雾的化学组成成分、吸入毒性、致突变性及与原发性肺癌的发病关系等方面的研究现状。
Objective: to evaluate the effect and toxicity of intra-arterial hepatic administration magnetically targeted carrier doxorubicin (MTC-DOX) with primary hepatocellular carcinoma patients.
目的：观察磁导向载体阿霉素(MTC DOX)肝动脉介入治疗原发性肝癌的有效性和安全性。
Objective to analyze the clinical features of primary central nervous system lymphoma (PCNSL), and to assess the efficacy and toxicity of combined chemotherapy.
目的探讨原发性中枢神经系统淋巴瘤(PCNSL)的临床特点，评估联合化疗的效果及其毒性。
The primary site of Al toxicity locates in root apices.
铝毒害的最初作用位点在根尖。
Preclinical primary safety evaluation result indicates that HQ1127 has a wide safety range, since no toxicity has been observed at the level 50 times of the effective does.
临床前初步安全性评价结果表明，HQ1127安全范围大，在超过有效剂量50倍情况下仍未出现毒副作用。
Preclinical primary safety evaluation result indicates that HQ1127 has a wide safety range, since no toxicity has been observed at the level 50 times of the effective does.
临床前初步安全性评价结果表明，HQ1127安全范围大，在超过有效剂量50倍情况下仍未出现毒副作用。
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