查询词典 toxicity

Professor Luk has also confirmed that there are hazards to human species directory, did not record the toxicity of Dalbergia Romer's black.

陆教授还证实说，对人体有危害的树种目录中，确实没有对卢氏黑黄檀的毒性记载。

The toxicity of trichlorphon would become degradation after a week under the same conditions. For example, the survival rate of Daphnia pulex reached to 100 percent in the concentration of 200μg/L after 144h and 65 percent in the concentration of 400μg/L after 168h.

在相同的实验条件下，敌百虫溶液的毒性可在一周后降解：如200μg/L的敌百虫溶液在放置144h后，蚤状溞的存活率就达到100％；168h后，400μg/L的存活率为65％。

The results showed that the toxicity of brofluthrinate to birds, bees and earthworms is low, to fish is medium, and to Daphnia, alga, silkworms is high.

结果表明：其对鸟类、蜜蜂和蚯蚓的毒性较低；对鱼类属中等毒性；对B045类、藻类和家蚕属高毒性。

Sample 2 had low toxicity to Daphnia magma and Brachydaniorerio, and its Tua values were 4.39 and 1.97, respectively.

水样2对大型蚤和斑马鱼都属于低毒等级，其Tua依次分别为4.39和1.97。

For a start, via modified Boyden chamber invasion assay, we found that twenty-six Chinese medicinal herbs can suppress A549 cell invasion. In this twenty-six Chinese medicinal herbs there are six Chinese medicinal herbs without toxicity, including Davallia mariesii Moore, Phyllanthus urinaria, Prunella vulgaris, Selaginella tamariscina, Viola yedoensis and Terminalia catappa. Based on that tumor metastasis are accompanied with proteolytic degradation of the extracellular matrix and changed cell motility.

首先藉由modified Boyden chamber invasion assay，发现有26种中药具有抑制A549侵入的能力，其中有骨碎补、叶下珠、夏枯草、卷柏、紫花地丁、榄仁树的叶等6种中药不具有细胞毒性，而当癌细胞转移时常常会伴随著细胞外基质的分解及细胞移动能力的改变，在gelatin zymography与casein zymography assay中也发现到它们可以抑制A549人类肺癌细胞的MMP-2及u-PA的表现。

There are several D-amino acid itself is toxic to plants even in the relative low concentration of D-amino acids because many plants lack the normal channels of D-amino acid oxidation deamidation, Therefore, we can use D-amino acid lyase having the toxicity to plant as a safe selectable marker.

对植物来说，很多组织缺乏正常的途径对D-氨基酸进行氧化脱氨基作用，由于这种消化系统的不同导致的结果是，有几种D-氨基酸本身对植物是有毒性的，即使在D-氨基酸相对浓度较低的情况下。

On the other hand , doctors ' recognition of the toxicity of Chinese herbal drugs should be enhanced . At the same time , patients should be told to decoct and take Chinese herbal drugs correctly .

要防止中药的毒性作用，一方面需加强药政管理，另一方面要提高医务人员的业务素质，加强医务人员对中药毒性的认识，同时要让患者掌握正确的煎煮及服药方法。

Keywords euphorbia;sarcoma S 180;HepA tumor cell;euphorbia egg decoctum;the test of inhibiting tumor;toxicity test

狼毒； 狼毒蛋煎剂； HepA肿瘤细胞；肉瘤S180；抑瘤实验；毒性实验

The three bacterial strains were unable to decolorize RAY72 effectively due to its high bio-toxicity, while biosorption of RAY72 by the bacterial mass occurred.

对单一染料而言，RAY72因为可能具有很大之生物毒性，造成三菌株皆不能将RAY72有效率地分解褪色，但有生物吸附脱色的现象。

ObjectiveAcute toxicity experiments and mutation experiments were conducted on mice with the flavonoids from the leaves of Dendrocalamus latiflorus.

目的利用麻竹叶黄酮进行了小鼠急性毒性实验和致突变实验。

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。