戊基的

Further research indicates that the polymerization of HEMA was induced by the disproportionation of dihydropyridinium. From results above, the mechanism of Gluma as a desensitizer could be proposed as follows.

发现戊二醛与牛血清蛋白之间的反应可以使水溶液中的HEMA聚合，进一步研究发现HEMA的聚合与二氢吡啶盐歧化过程所产生的自由基有关。

We examined the effects and mechanisms of methyl pentyl 1,4-dihydro-2,6-dimethyl-4-(3-notrophenyl)-3,5-pyridinedicarboxylate (Mn9202), a novel DHPs calcium antagonist and lacidipine on the 5-HT2B receptor in cultured rat stomach fundus smooth muscle cells.

本研究以富含5-HT_(2B)受体的大鼠胃底平滑肌细胞为模板，观察了二氢吡啶类钙拮抗剂2，6-二甲基-4-（3-硝基苯基）-1，4-二氢-3，5-吡啶二羧酸-3-甲酯-5-正戊酯（Mn9202）、拉西地平对 5-HT_(2B)受体功能的影响，并对其影响机制进行了较为深入的研究。

The biosynthesis of coenzyme Q10 in microorganism has two pathways: the quinoid nucleus biosynthesis and the isoprenoid side chain biosynthesis.

辅酶Q10在微生物体内的合成分为芳香环的合成和异戊烯基侧链的合成。

In addition to cyclopropanation, the typical Diels-Alder reaction between cyclopentadiene and N-acryloyl-l,3-oxazolidinine-2-one with Ll-L8/metal complexes have also been studied.

对于新配体在Diels-Alder反应中的对映选择性的研究，我们采用环戊二烯与3-丙烯酰基-2-噁唑啉酮的反应。

The leftover from bamboo processing was comminuted into bamboo fine powder, which was surface-treaded with a coupling agent of ethenyl tri (β-methoxyethoxy) silane; and then in the presence of initiator dicumyl peroxide, the powder was compounded with styrene-isoprene block copolymer/bromobutyl rubber blend to prepare a crosslinked vibration-absorbing rubber composite material.

将竹加工的边角料粉碎并用乙烯基三硅烷偶联剂处理，再与苯乙烯－异戊二烯嵌段共聚物和溴化丁基橡胶的共混物进行复合，在过氧化二异丙苯引发剂的作用下制得交联型橡胶吸振复合材料。

The effects of Caoguozhimu Decoction, a TCM antiepileptic, on NMDA receptor binding capacity and the expression of NMDAR1 mRNA in pentylene tetrazole-kindled rat model were observerd by the ligand-receptor method and i n situ hybridization, with MK-801 as a contrast.

观察抗癫痫中药草果知母汤在阻断戊四唑点燃模型形成过程中，对兴奋性氨基酸类神经递质Glu的受体NMDA结合力及其NMDAR1 mRNA的影响。以NMDA的竞争性拮抗剂MK- 801为对照，用配基受体法、原位杂交法检测相应指标的变化。

Extracted DNA by CTAB, in proportion to the additions of PVP and β-mercap toethanol to the extraction buffer were capable of preventing browning from taking place in the extraction, Tris-Phenol (Stabilized with 0.1M Tris, pH 8.0)/Chloroform/isoamyl alcohol were used to remove protein and impurity in the second extraction, during crude DNA used to Isopropanol DNA and deterged by DNA detergent, without using RNase remove RNA, we detected the quality and concentration of DNA respectively for normal leaves and drought stress leaves by Agarose gel electrophoresis of genomic DNA and ultraviolet spectrometry photo.

用20%聚乙二醇(polyethylene glycol，PEG6000)模拟干旱，采取CTAB提取缓冲液，按一定比例加入PVP和β-巯基乙醇，用Tris平衡酚－氯仿－异戊醇除去蛋白质及杂质，在粗提时用异丙醇沉淀DNA，并用DNA洗液（10mmol/L醋酸铵，75%乙醇）洗涤DNA，在纯化时用乙醇沉淀DNA，且没有加入RNase去除RNA的方法，分别提取2个品种正常和干旱胁迫的苹果属叶片总DNA，并对提取的DNA进行琼脂糖凝胶电泳和紫外分光光度计检测。

The reaction of sodium alkylcycloperitadienide with metal chlorides gave derivatives of bisdichlorides of titanium, zirconium and hafnium where alkyls were n-propyl and n-butyl.

本文报导烷基环戊二烯基钠与金属氯化物反应合成钛、锆和铪的双金属二氯化物以及通过卤素交换制备双钛的二氟化物的方法。

Therefore, the research of synthetic method of flavonoids has the important value of scholarship and application.

因此，研究异戊烯基黄酮类化合物的合成方法具有重要的学术和应用价值。

The palladium-octaisopentyloxy-phthalocyanine-doped ormosil glass (octa -PdPc glass) is prepared by the sol-gel method. The nonlinear coefficient of Octa-PdPc glass is measured by single-beam Z-scan method. The result with automatic Z-scan system is more accurate than the manual measurement.

的EPM2000。我们用溶胶-凝胶法制备了掺杂八异戊氧基钯酞菁玻璃，并利用自动Z扫描测试系统对该样品的三阶非线性光学特性进行了研究，结果表明该材料具有大的三阶非线性系数。

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％。