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Their biological activity is generally attributable to inhibition of NADH: ubiquinone oxidoreductase activity and thereby mitochondrial respiration.

这一类化合物之所以具有很好的杀虫活性,是由于对还原型烟酰胺腺嘌呤二核甘酸的抑制作用而阻断了线粒体的呼吸。

In order to explore the regulatory mechanism of the pachytene checkpoint on Ndt80, we tried to use different epitopes to label Ndt80 and Ndt80-bc, respectively.

有趣的是,zip1 NDT80/NDT80-bc细胞进入核分裂以及孢子生成的时间有延迟现象,推测是失去活性的Ndt80存在并干扰Ndt80-bc的能力。

Various naturally derived plant based cleaning agents (coconuts, palm kernel, corn and sugar based surfactants) water, preservative (less than .1%). Naturally derived citrus fragrance.

提取自各种天然的具有清洁能力的植物清洁剂(椰子,棕榈核,玉米和蔗糖提取的表面活性成分),防腐剂(少于0.1%),天然香料提取自柑橘植物。

Several experiments were desighned to reveeal the reaction mechanism of phenolphthalein during its condensating with DCDPS in presence of potassium carbonate.

利用13C-NMR方法研究了弱碱K2CO3存在下酚酞成盐反应及其与活性双卤砜亲核缩聚反应过程中的结构特征。

RESULTS: The aqueous extract of Pulsatilla Chinensis Regel reduced the micronucleus rate of bone marrow PCE cell in mice,and increased SOD activity and T-AOC in mice serum.

结果: 白头翁水提物能显著降低环磷酰胺所诱发的微核率、提高小鼠血清超氧化物歧化酶活性、增强总抗氧化能力,与阳性对照组比较,差异均具有统计学意义(P.05)。

Puzzlingly, such effect is transient and depression is usually reinstated after the first episode of recovery sleep, or even after short naps .

睡眠剥夺可能通过改变5-羟色胺(serotonin 5-HT)系统起作用,5-HT_(1A)受体作为突触前的自身受体在调节中缝核5-HT神经元的活性中发挥着关键作用,并且作为突触后受体介导5-HT对边缘系统、皮层、下丘脑及其它一些脑区部位的作用,使得5-HT_(1A)受体的调节对于精神疾病非常重要。

AIM: To investigate the effect of pyrrolidine dithiocarbamate, a specific inhibitor of NF-κB on the proliferation and apoptosis of K562 cells and to explore the anti-tumor mechanism of PDTC.

目的:观察核转录因子NF-κB活性特异性抑制剂PDTC(吡咯烷二硫代氨基甲酸盐)对急性白血病细胞系K562细胞增殖的影响,并探讨其机制。

Alzheimer′s disease animal models were made by damaging bilateral nucleus basalis of Meynert of elderly rats (20-22 month) with quinolinic acid(150 nmol in 2 μL for each NBM, given d 3 after administration of test drugs). Activity of choline acetyltransferase was measured by radiochemistry assay. One time training passive avoidance step-down and water-maze spatial localization task were used to observe effects of ginsenoside of stem and leaf in combination with choline on learning and memory of AD model rats.

应用喹啉酸(每侧150 nmol,2 μL,给受试药后d 3注射)损毁老年大鼠双侧Meynert基底核制备阿尔茨海默病动物模型,放射化学法测定胆碱乙酰基转移酶活性,一次性训练被动回避跳台实验和水迷宫空间分辨能力测试,观察人参茎叶皂甙和胆碱合用对AD模型大鼠学习记忆的影响。

To sum up, the research for the first time ascertained INA species in apricot trees and their activities by using the rational method to imatate the temperature dropping process in frost nights--computer temperature controlling with semiconductor cooling and artificial frost box with self-recording. Studies were given to responds of INA to freezing temperature of floral organs, biochemical cold resistance parameters, contents of ABA and IAA, chlorophyll fluorescent parameters of young fruits and tissue structure and ultrastructure of apricot. The mechnism of INA induced frost injury of apricot was found out. And it was demonstrated that INA is a critical factor in the inducing and aggravation frost injury of apricot floral organs.

综上所述,本研究采用能够准确模拟自然界霜夜降温过程的较为理想的方法——半导体致冷电脑控温和自动记录的人工霜箱,首次查明了10个杏树品种上INA细菌种类和冰核活性,从INA细菌对杏树花器官过冷却点、抗寒生理生化指标、激素ABA、IAA含量、幼果叶绿素荧光参数以及组织结构和超微结构的影响等方面进行了系统深入的研究,阐明了INA细菌诱发杏树霜冻害的机理,证明了INA细菌是诱发和加重杏花霜冻害的重要因素。

It is noticed that this method is also fit for the phosphorylation of serine methyl ester with active hydroxy in side chain.

试验表明,对于侧链上有活性基团的丝氨酸甲酯的核苷磷酰化衍生物的合成,该方法同样适用。

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推荐网络例句

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里,举止就文雅一些,因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计,这件高贵的制服是香港本土制造,是我们第一套不配帽子的制服。

Do not 'inflate' your achievements and/or qualifications or skills .

不要 '夸大' 你的业绩或成果,条件或者技能。