查询词典 toxicity

We Investigated the species of diseases and insect pests, species of natural enemies, distribution and dominant species in export vegetable bases in Shandong Province. Dynamics of main diseases and insect pests were studied.2. We investigated the main control technologies for diseases and insect pests, types and application methods of pesticides.3. Effects of crop varieties, fertilities and cultivation on diseases and insect pests, production and pesticide residues were examined.4. Control effects and application technologies of frequency trembler grid lamps, greenhouse ozone machine and insect-proof net were tested.5. By research, seven biological preparations and twelve chemical pesticides with high activity, low toxicity and low residue were screened.

主要结果如下：1查清了山东省出口蔬菜基地蔬菜病虫害发生种类，天敌种类、分布、并评价上风种；探明了主要病虫发生消长规律。2查清了山东省出口蔬菜基地目前病虫害防治的主要应用技术、施药种类及主要施药方式。3明确了作物品种、肥力、栽培方式等农业措施对病虫发生、产量和农残的影响。4明确了频振式杀虫灯、温室病害臭氧防治机、防虫网等物理措施防治效果及其应用技术。5通过实验，筛选出7种生物制剂和12种安全有效低毒低残留化学农药品种。

Objective To study the genetic toxicity of aluminium trichloride on reproductive cells of male mice.

目的 研究三氯化铝(AlCl3)对雄性小鼠生殖细胞的遗传毒性。

Toxicity was reduced when Nicotiana trichome exudates were removed by various washing methods.

当通过不同洗涤方法除去烟草属毛状体的分泌物时，毒力降低。

Hexavalent chromium is the most toxic form, the toxicity of trivalent chromium than 100 times.

六价铬是毒性最大的形态，其毒性比三价铬高100倍。

To disclose deeply and systematically the toxicity and tolerance mechanisms of hybrid tulip tree to heavy metals stress, this paper was carried out to study effects of Pb and Cd single and combined pollution on the growth, membrane lipid peroxidation, antioxidant enzymes system, photosynthetic characteristics, endogenous hormones, mineral elements metabolice.

本文研究了Pb、Cd及其复合污染对杂交鹅掌楸Liriodendron chinense×L。

Results RA decocted liquids could decrease voix pedis tumefaction of BiZheng model animals, but had no effect on the growth and development and hematopoietic system of model animals. They had certain toxicity to livers, kidneys, and hearts of the model animal.

结果川乌水煎液能抑制痹证动物的足跖肿胀；对模型动物的生长发育无明显影响；对其造血系统无明显毒性；对其肝脏、肾脏、心脏有一定毒性。

The regression analysis was adopted to study the relativity between dt, ad and the toxicity of ra.results ra decocted liquids could decrease voix pedis tumefaction of bizheng model animals, but had no effect on the growth and development and hematopoietic system of model animals.

将结果进行多元回归分析，得出川乌煎煮时间、剂量与毒性的相关性。结果川乌水煎液能抑制痹证动物的足跖肿胀；对模型动物的生长发育无明显影响；对其造血系统无明显毒性；对其肝脏、肾脏、心脏有一定毒性。

More pathological ultramicroscopic changes are observed after 7-hour mechanical ventilation with pure oxygen, which reduces after mechanical ventilation with 34% oxygen. Oxygen concentration should be decreased while long-time mechanical ventilation is executed so as to reduce potential lung injury with oxygen toxicity.

纯氧通气7 h后观察到的肺超微结构损伤较多，吸入氧体积分数为0.34则相对较少，建议长时间气管插管通气时，宜降低吸入氧浓度，尽可能减少潜在的氧毒性肺损伤。

Mechanisms which protect against the toxicity of unconjugated bilirubin include binding to plasma albumin, and rapid uptake, conjugation, and excretion by hepatic parenchymal cells.

每天80%的胆红素来自血红蛋白，非结合胆红素之毒性防护机制包括：与血浆白蛋白结合、被肝实质细胞快速摄取、结合及分泌。

In the present study, the toxicity of melamine was assayed on the unicellular eukaryotic system of Tetrahymena pyriformis T.

本文利用单细胞真核生物梨形四膜虫对三聚氰胺的细胞毒性进行了测定。

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。