查询词典 toxicity

Objective To investigate the genetic toxicity effect of tributyltin chloride on mouse embryonic limb bud cells.

目的 了解环境污染物氯化三丁基锡对小鼠胚胎肢芽细胞的遗传毒性。

With the Chinese Academy of Agricultural Science Institute of tea, tea geometrid screening of the high toxicity of Bt strains and tea geometrid virus, developed a pollution-free tea for biological pesticides,"geometrid-ching," 2003 was approved by the Ministry of Agriculture pesticide registration test, completed 1 Effect of the four provinces in the tea geometrid control effect of more than 90 percent, in Jiangsu, Zhejiang show the 6 million mu.

与中国农科院茶叶研究所合作，筛选了茶尺蠖高毒力 Bt菌株和茶尺蠖病毒，研制开发了无公害茶叶专用生物农药"尺蠖清"，2003年获得农业部农药登记试验批准，完成了1年4省药效试验，对茶尺蠖防效达90%以上，在江苏、浙江示范推广6万亩次。

Result There was different in resistant ability of every rice seedlings on the toxicity of germanium.

方法］以3个水稻品种的幼苗为载体，研究金属锗在水稻体内的植物化过程。

Gravid mice were exposed to 100,250 or 500mg/m 3 of YF 1 germicide for 5 days successively for studying teratogenic toxicity.

妊娠小鼠分别以 10 0、2 5 0、5 0 0mg/m3 浓度连续吸入染毒 5d ，于妊娠第 18d处死孕鼠，分析孕鼠及子鼠胚胎发育指标；检查有无外观、内脏和骨骼畸形。

In order to find novel analgesic agents with high activity and much lower toxicity, we designed and synthesized some new gluco, amino acids and glyceride derivatives of epibatidine.

详细Epibatidine是近年来发现的一个镇痛作用极强，且非阿片作用机制的生物碱。但由于它的毒性太大而不能成为临床用药。

AIM: To investigate the relationship between female gonad toxicity of methoxychlor on mouse and the apoptosis of granulosa cells.

目的：研究甲氧滴滴涕对颗粒细胞凋亡的影响，探讨MXC对雌性小鼠性腺毒性的作用机制。

Only 2 patients developed grade 3 or 4 toxicity.

只有2个病人出现3或4度的毒性反应。

Nicotianamine synthase gene has an important function in the Fe-deficiency response of graminaceous monocots, and it catalyzes substance to nicotianamine which plays an important carrier in the internal transport of Fe(superscript 2+) and other divalent metal ions. Nicotianamine can bind with Fe(superscript 2+) to form Fe(superscript 2+)-NA complex and protect plants from toxicity in acidic soil.

烟酰胺合成酶基因在单子叶禾本科的缺铁胁迫应答反应中起着关键作用，它的催化产物烟酰胺是铁及其他二价金属离子在体内吸收和转运的重要载体，且能与Fe(上标 2+)结合形成Fe(上标 2+)-NA复合物，从而使植物在酸性土壤中免受铁毒害。

The LC50 on Apismelliferal L were 1659.96mg/L and 9213.06mg/L by intake and spraying methods, the coefficient of ground bait were 0.60 and 0.11. The toxicity of the EC was low on bee .

测得0.2%苦皮藤素乳油对意大利蜜蜂的饲喂与触杀毒性LC50分别为1659.96与9213.06mg/L，投毒系数为0.60和0.11，属对蜜蜂低毒农药。

The result of acute toxicity of Cd(superscript 2+) on antioxidant enzymes showed that along with the rise of concentration of Cd(superscript 2+), the activity of superoxide dismutase, catalase, and guaiacol peroxidase were changed in O.chinensis injected with Cd(superscript 2+).

对Cd(上标 2+)急性染毒的中华稻蝗抗氧化酶活性变化研究表明，随着Cd(上标 2+)浓度的升高，超氧化物歧化酶、过氧化氢酶、谷胱甘肽过氧化物酶活性均发生改变。

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。