Animal studies have confirmed that high doses are harmful, but some evidence that it may also be harmful at low doses has yet to convince regulators to take decisive action against the compound.
动物研究已经确认高剂量的双酚a是有害的。低剂量也可能存在危害，但是还没有足够的证据让监管部门下定决心对这种化学物质采取措施。
Inner compound metal pipe is used for the transmitting of liquid medium, it is not only prevent the harmful medium from corrosion of the pipe, but also save lots of metal material and reduce the cost.
内复合双金属复合管，用在流体输送中既有效的防止流体中有害介质对管道的腐蚀，又节约了大量的贵金属材料，从而降低了成本。
The compound and the composition thereof can be used for preventing and controlling harmful mites and eggs of the harmful mites, and also can be used for preventing and controlling pests.
本发明的化合物及其组合物用于防治有害螨及其卵的用途以及用于防治农业害虫的用途。
Objective to find the harmful chemical components in the solvent of PSZ? 1 caulking compound which has led to an acute toxic accident.
目的了解导致急性中毒事故的PS Z1堵漏剂溶剂有害化学成分。
The Zn, Cd sewage, harmful to human body, is treated by compound sedimentation to conform to the drain standards.
锌镉度水对人体有害。综合沉淀法处理锌镉废水符合排放标准。
The Zn, Cd sewage, harmful to human body, is treated by compound sedimentation to conform to the drain standards.
锌镉度水对人体有害。综合沉淀法处理锌镉废水符合排放标准。
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