查询词典 toxic

The aim was to study the toxic effects of Cu and Cd and their combined pollution on Ceratophyllum demersum.

［目的］研究铜和镉及其复合污染对金鱼藻的毒性影响。

In toxic optic neuropathy, chiasmal compression lesion and other optic nerve contusion cases, VEP correlated with vision and V.F. defect.

而因药物毒性引发之视神经病变，视神经交叉受压迫病变及其他视神经挫伤患者，VEP和视力及视野之变化均吻合。

White powder, toxic, sweet, specific density 7.10, insoluble in water, soluble in nitric acid, soluble in chlorhydric acid, ammonium acetate and sodium acetate when heated.

白色粉末，味甜、有毒，比重7.10。不溶于水，溶于硝酸、热溶盐酸、醋酸铵和醋酸纳溶液中，可部分溶于醋酸中。

Using single oocyst infected techniques, three strains of Eimeria tenella, PT0705, FQ0709 and LJ0711, were obtained from classically symptomic coccidian chicken in Putian, Fuqing and Lianjiang Couties, Fujian Province. In order to compare their toxicity against chicken, healthy chicken of 14th-day and 21th-day were artificially infected with 1×104, 5×104 and 10×104 coccidian oocysts of PT0705, FQ0709 and LJ0711, respectively. The results showed that the strain PT0705 was the most toxic to tested chicken based on the clinical symptom, survival rate, weight increment and lesion grade investigations.

采用单卵囊分离技术，从福建省莆田市、福清市和连江县等地鸡场采集的病鸡盲肠内容物样品中，分离获得3株(PT0705、FQ0709、LJ0711)柔嫩艾美耳球虫纯种；为比较这三种虫株对雏鸡的毒性，分别用1×104、5×104和10×104个孢子化卵囊的剂量感染14日龄和21日龄健康无球虫感染雏鸡，通过临床表现、死亡率、增重情况、病变计分等指标比较，发现PT0705虫株呈现最强毒性。

Coccinella septempunctata toxicity to human, animal and natural animal-friendly non-toxic, non-residual, non-pollution of the environment.

毒性 七星瓢虫对人、畜和天敌动物无毒无害，无残留，不污染环境。

Toxic effect of insecticides on Coccinella septempunctata was studied by two design methods of direct and indirect effect with 8 usual insecticides in apple production as materials.

方法］以苹果生产中常用的8种杀虫剂为材料，采用直接作用和间接作用两种设计方法，研究了杀虫剂对七星瓢虫的毒杀作用。

This section defines five different types of impurities, both known and unknown including foreign substances, toxic impurities, con- comitant components, signal impurities, and ordinary impurities.

这些章节定义了五种不同的杂质，已知和未知的，包括异物，毒性杂质，共生组分，信号杂质，和常规的杂质。

Degree, the risk posed by each toxic substance. OSHA's discussions of individual sub-found at various levels of exposure, but made no estimate of the risk of experiencingthose health effects; instead, OSHA provided a conclusory statement that the new limitwould reduce the "significant" risk of material health effects, without any explanationof how the agency determined what was significant.

OSHA 关于特别物质的讨论包含了那种物质各种各样的研究和各种各样影响程度发现的健康效应的研究总结，但对经历那些健康效应的风险没有做估计；反而， OSHA 提供了一个结论性的声明：新限制会减少物质健康效应&重大&风险，确定什么是重大的部门没有做任何解释。

He suffered toxic confusional states in which he became agitated, experiencing severe anxiety and visual hallucinations.

他遭受着中毒性的恍惚状态，他变得焦躁不安，极度忧虑并产生幻觉。

These catalysts can be used to eliminate toxic and contaminative gases.

此催化剂可用于消除有毒和有机污染气体

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。