查询词典 toxicity

Toxicity of four compounds identified as 6a, 12a-dehydro-α-toxicarol, 6a, 12a-dehydro-deguelin,-tephrosin and-6-hydroxy-6a, 12a-dehydro-toxicarol obtained from the leaves and stem of Amorpha Fruticosa and their mixture in a natural ratio 1:2.54:4.18:2.54 were tested against Trematodes grandis.

通过对紫穗槐叶和茎成分分离，得到6a，12a-脱氢－α-灰叶酚、6a，12a-脱氢鱼藤素、灰叶素、6-羟基－6a，12a-脱氢灰叶酚4个化合物。

A home made spray system was used on insecticide experiment on parasitic wasp, Anastatus japonicus Ashmead. This system was associated with bioclimatic chambers to provid a series simulated farm conditions for the experiment of testing the insecticide toxicity on A.

根据生产的需要，研制实用仿真农药喷雾实验系统，配以一定数量的大功率人工设备，并以几种典型的常用农药为例，探讨荔枝蝽卵平腹小蜂在仿真喷雾条件下死亡率与农药田间使用浓度的再稀释浓度的关系。

These results suggested that there are no obvious acute toxicity action and no induced more anormality and mutation of test mice perfused transgenic rice.

其结果是：转基因工程稻MSA4、KF6-304、21S/MSB与II-32A/MSB大米未引起小鼠明显的急性毒性反应，对小鼠无明显的致畸与致突变作用。

In search of environmentally benign insecticides with high activity, low toxicity and low residue, a novel series of anthranilic acid esters containing N-pyridylpyrazole were designed and synthesized. All of the compounds were characterized and confirmed by IR, 1H NMR, MS and elemental analysis.

设计，合成了8个新的含N-吡啶基吡唑杂环的邻氨基苯甲酸酯类化合物，结构经FTIR， MS， 1H NMR 和元素分析确证，并且采用X-射线衍射分析方法确证了具有较好生物活性的化合物14d的结构。

Rice ; aluminum toxicity ; reactive oxygen species in mitochondria ; antioxidase ; organic acid

水稻；铝毒；线粒体活性氧；抗氧化酶；有机酸

College of Animal Sciences, Zhejiang University, Hangzhou 310029, ChinaAbstract: In vitro chicken embryo hepatocytes were adopted to evaluate the antioxidizing effects of vitamin E and quercetin on polychlorinated biphenyls-induced toxicity.

利用体外培养的鸡胚肝细胞研究抗氧化剂维生素E和槲皮素对多氯联苯（polychlorinated biphenyls， PCB）引起的肝细胞损伤的缓解作用。

Titanium ascorbate ; fish ; shellfish ; anura ; substance of low toxicity

抗坏血酸钛；鱼类；贝类；无尾两栖类；低毒物质

Aristolochic acid is the main component of Aristolochia plants. It is a mixture of aristolochic acid Ⅰ and aristolochic acid Ⅱ. It has been proved by several researches that AA has nephrotoxicity and tumor toxicity. However, the pharmacokinetics of AA is still limited.

马兜铃酸是马兜铃科植物的主成分，为马兜铃酸Ⅰ及马兜铃Ⅱ所构成的混合物，研究指出AA具有肾毒性及肿瘤毒性，但对於AA在药物动力学方面的研究报告则是相当有限。

Aristolochic acid is the main component of Aristolochia plants. It is a mixture of aristolochic acid Ⅰ and aristolochic acid Ⅱ. It has been proved by several researches that AA has nephrotoxicity and tumor toxicity. However, the pharmacokinetics of AA is still limited.

中文摘要马兜铃酸是马兜铃科植物的主成分，为马兜铃酸Ⅰ及马兜铃Ⅱ所构成的混合物，研究指出AA具有肾毒性及肿瘤毒性，但对於AA在药物动力学方面的研究报告则是相当有限。

Methods Classic conventional toxicity tests were used.Normal SDrats were divided into seven groups and given different doses and processed extract of Aristolochia Fangchi12weeks.Some rats were sacrificed regularly.

以不同剂量和处理的广防己70%乙醇提取液，连续灌胃12周，定期处死定量的动物，取其肝脏、肾脏做病理切片分析，同时采集动物的血液，检测与肝、肾功能相关的生化指标。

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。