查询词典 toxic

This paper utilizes water enviriment to research Pb2+ and Hg2+solution of two heavy metal as single stress on the Toxic Effects of Pistia sagittifolia and Myriophyllum Spicatum in different concentration .

中文摘要：利用水培试验方法研究不同浓度( 5、10、15、20、50、80mg/L)Pb2+、Hg2+两种重金属单一胁迫对大薸和穗状狐尾藻毒害效应。

Objective To explore the toxic mechanism of cadmium by the research of microstructure and ultrastructure of Mytilus Edulis digest blind sac organization.

目的 对紫贻贝消化盲囊组织的显微及亚显微的结构进行观察研究以进一步探索紫贻贝镉中毒的机理。

In this paper, the perturbations of CTX-IX, which is a kind of cardiotoxin isolated from Naja naja atra, on artificial liposome, reconstituted system of dellpidated ATPase and phospholipld and mouse lymphacyte were investigated in order to understand the membrane toxlcology of CTX-IX in view of molecular dynamics of membrane, give clues for searching new toxic polypeptides that could kill the harmful cells and establish a example for the study of lipld-protein interaction and corresponding significance in membrane function.

本文研究了广东中华眼镜蛇毒中分离得到的心脏毒素CTX-IX和人工磷脂水化聚集体、ATP酶-磷脂重组体系和小鼠脾细胞之间的相互作用，试图从膜分子动力学角度理解心脏毒素的膜毒理，为杀伤细菌等有害细胞的毒性肽的寻找提供线索，在理论上亦为脂蛋白相互作用与膜结构功能的关系研究提供一个范例。

NB can make liver, brain, spleen and nephridial tissue pathology damage, to refrain theactivity of liver mixed function oxidase, induce oxidative stress, effect tissue enzymatic activity,destroy organism antioxygen defence system and function of clean up free radical, to cause proteinoxidation damage, to educe toxic action.

综上所述，NB可以造成肝、脑、脾、肾组织的病理学损伤，抑制肝内混合功能氧化酶的活性，诱导氧化应激，影响组织酶活性，破坏机体抗氧化防御系统及清除自由基功能，引起机体蛋白质氧化损伤，进而发挥其毒性作用。

Results Both the high and low dose BSXN abated excitatory toxic infury and inhibit neurocyte apoptosis after ischemia-refusion.

结果 补肾醒脑高、低剂量组可抑制缺血再灌注后神经细胞的凋亡。

During rat's intracerebral hemorrhage processes, Glu is over released and accumulated in hypothalamus and brain tissues surrounding hematoma, which could induce the opening of 〓 and 〓 ion channels, and evoke cellular-toxic edema. Meanwhile it may also evoke 〓 influx into neurons. It is this 〓 influx that may activate phosphase and proteinase, disrupt protein and cellular skeletons, and further aggravate neuronic damage.

大鼠脑出血过程中Glu在下丘脑及血肿周边脑组织的大量释放和积聚，通过其开放〓离子通道，造成细胞毒性水肿，使〓内流激活磷酸酶和蛋白酶，破坏蛋白质和细胞骨架，加重NC的损伤过程。

The marrow cell micronucleus experiment, the marrow cell chromosomic aberration experiment observes mouse's toxicology nature. Results: The nickelous chloride has the genetics toxic effect to the mammal.

结果 该研究下未观察到有明显的诱导小鼠外周血网织红细胞微核形成作用，但有明显的染色体畸变和精子致畸形作用。

Whether it's personally offensive, unclear, incomplete, pointless, exaggerated, or nonactionable—and whether it comes from superiors or subordinates—low-quality feedback can be toxic if it's taken to heart.

不管这些来自于你的上司或下属的反馈意见是人身攻击，还是表述不清、表达不完整，乃至毫无意义、夸大其词，或者根本不具可操作性，如果你将这些没有任何价值的反馈意见放在心上，很可能会造成伤害。

Although these nonaggressive reptiles have a highly toxic venom, their mouths are small and their fangs bend inward, making it highly unlikely they could bite a human.

虽然这些不具侵犯性的爬行动物有着毒性很强的毒液，但是它们的嘴非常小，并且毒牙弯在嘴里，因此看起来他们不像是能咬到人类。

A dynamic generating toxic gas system and a nose-only exposure system were used for the pharmacokinetic study of inhaled environmental contaminants for benzene, toluene, xylene, ethylbenzene,chlorobenzene, styrene, isopropyl benzene, tetrachloroethylene, nonane and methylcyclohexane in male guinea pig.

用动态配气设备和鼻式吸入方式染毒，采用雄性豚鼠对环境中10种挥发性污染物(苯、甲苯、对二甲苯、乙基苯、氯代苯、苯乙烯、异丙苯、四氯乙烯、甲基环己烷和壬烷混合物)的吸入动力学进行了研究。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。