查询词典 toxicity

Silencing of these genes resulted in inhibition of HCV replication by more than 60% and exhibited minimal toxicity.

使这些基因沉默可以导致HCV复制减少超过60%，而且细胞毒性降到最低。

Despite reassurances from cloud-seeding companies, concerns remain about exposure to silver iodide toxicity and soil contamination .

尽管人工降雨公司很放心，社会仍然很担心碘化银的毒性和土壤污染问题的曝光，其他安全问题更加透明。

Therefore,β-sitosterol might be a prospect safe and low toxicity anti-cervical cancer drug.

因此，β-谷甾醇有希望成为一种安全低毒的抗子宫颈癌药物。

Objective To study toxicity of Stemona sessilifolia cream on the skin of animals.

目的 研究百部乳膏对动物皮肤的毒性作用。

Taking a smeltery in Shenyang,Liaoning Province as research object,several alkali chemicals were added to increase the soil pH and reduce leaching toxicity of arsenic in soil impacted by heavy metals.

文章以沈阳某冶炼厂厂区旧址的重金属复合污染土壤为研究对象，通过向土壤中添加不同药剂，研究了不同碱性化学物质对土壤砷稳定化的效果。

For a definite battery soakage liquid, the higher its concentration,the stronger was its toxicity.

同种电池浸泡液浓度越大，对涡虫生存的影响越大。

Results In the first two weeks there was no obvious difference of LD50 between test and control groups, but 12 weeks later, cells continuously exposed to low level sodium arsenite exhibited dramatic resistance to acute arsenite toxicity.

结果 短期诱导，细胞未表现出砷耐受性提高，经过12周NaAsO2诱导后，48 h急性砷毒性实验中，实验组细胞对急性染砷表现出明显的耐受性提高，实验组在各浓度下生存率都明显高于同步对照组。

Its toxicity is equivalent to 1250 times more toxic sodium cyanide drug need only 0.48 mg can be lethal.

它的毒性相当于剧毒药品氰化钠的1250倍，只需要0.48毫克就能致人死命。

PEG400, which is poisonless, low cost with good capability of carrying sodium ion, was used as catalyst, and sodium cyanide owing to its less toxicity, stability, less amount in the reaction, was used as cyanating reagent in the reactions.

在有机卤代化合物或酯与PEG400、NaCN的用量比分别为1∶0.03和1∶1.3的条件下，获得了高收率（84％-96％）和高纯度（≥98％）的腈化物。通过几种不同溶剂下反应的对比，选择了以苯为溶剂，在酰氯与PEG400、 NaCN的用量比分别为1∶0.05和1∶1.2及反应温度为室温的条件下，合成了酰基腈化物。

Primary cultured rat hepatocytes were cultured with various concentrations of sodium fluoride for 24 hours to study the toxicity and possible mechanism induced by fluoride from morphological, enzymological and biochemical changes.

收集细胞培养上清液，测定ALT和AST活性和MDA含量。用上述指标来评价氟化钠对肝细胞的毒性作用及其可能机制。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。