90年代联邦和州级管理部门同意由各州尽可能统一限制五大湖最具毒性的污染源；国会现正讨论一项促进各州进一步合作的提案。
In the 1990s federal and state regulators agreed to make state limits more uniform for the Great Lakes' most toxic pollutants; Congress is now considering a bill to promote further collaboration.
该型消毒剂急性经口毒性为实际无毒级，对小鼠骨髓嗜多染红细胞无致微核作用，弱蓄积性。
It was actually nontoxic by acute oral toxicity test, did not cause micronucleus formation in mouse bone marrow polychromatic erythrocytes and had weak cumulative effect.
结果表明：医用级聚醚砜树脂无毒性、无热源和致敏反应，对皮肤无刺激、体外溶血率小于5%。
The results show: there is no toxicity, no reaction of pyrogen or sensitization, and no irritation to the skin. The hemolysis rate in vitro is less than 5%.
结论纳米级水镁石纤维粉尘具有明显的细胞毒性，其细胞毒作用较普通水镁石纤维粉尘强，较石英粉尘弱。
Conclusion The cytotoxicity of millimicron brucite fiber was obviously stronger than common brucite fiber, but much weaker than quartz dust.
目的研究纳米级水镁石纤维粉尘的体外细胞毒性。
Objective to study the cytotoxicity of millimicron brucite fiber dust in vitro.
结果原花青素处理去细胞牛心包性质稳定，细胞毒性程度为0 ~1级。
Results the property of acellular bovine pericardium with procyanidins was stable and the toxic levels ranged from 0 to 1 grade.
结果细胞毒性试验、过敏试验和皮下植入试验，胶原试品反应均为0～1级。
Results Reaction scales of collagen in cytotoxicity, anaphylaxis and subcutaneous implant tests were 0 to 1 level.
根据细胞毒性实验ISO 10993制定的评价标准得出，两种支架材料的浸提液毒性为1级，反应合格。
According to the evaluation criterion in ISO10993, cytotoxicity of the extract of the two scaffolds is of ranking I and qualified.
不过，监测可能更氨基糖苷类期间或其他耳毒性药物合用重要一级证据，3，等级的建议，。
However, monitoring may be more important during coadministration of aminoglycosides or other ototoxic agents level of evidence, 3; grade of recommendation,.
报道的与免疫治疗有关的最普遍的3级毒性反应为疼痛(21%)，血管渗漏综合症(7.3%)，和过敏反应(7.2%)。
The most common grade 3 toxicities associated with immunotherapy were reported as pain (21%), vascular leak syndrome (7.3%), and allergic reactions (7.2%).
本发明用固体光气代替了一级剧毒性气体――光气，便于准确计量，优化了操作条件，对环境污染小；
The present invention uses solid phosgene, rather than phosgene to result in accurate metering, optimized operation condition and less environmental pollution.
本发明用固体光气代替了一级剧毒性气体――光气，便于准确计量，优化了操作条件，对环境污染小；
The present invention uses solid phosgene, rather than phosgene to result in accurate metering, optimized operation condition and less environmental pollution.
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