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If you don't want to hae dramatic changes in your neuron structure, you don't want this molecule, she says.

如果你不需要你的神经元结构发生巨大的变化，这种蛋白分子是不必要的。

This seems to be because sirtuins control the abundance of a regulatory molecule called nicotinamide adenine diphosphate which, in turn, controls the release of energy in the mitochondria.

这是因为sirtuins控制着一种叫做烟碱腺嘌呤二磷酸的调节性分子的数量，而这种分子反过来又控制着线粒体中的能力释放。

Two classes of specific binding sites in the polymer matrix were investigated by Scatchard analysis, which indicated that two kinds of complexes between functional monomers and templates were formed before the polymerization process. Comparing with the structure of TNT and acrylamide, one kind of complex between TNT and acrylamide was strongly charge-transfer complexing interaction by p-πcomplex between electron-rich amino group of acrylamide and electron-deficiecy-benzene ring of TNT, the other was hydrogen bonding interaction between amino group (-NH_2) of acrylamide molecule nitro group (-NO_2) of TNT.

Scatchard分析结果表明，在TNT印记聚合物微球中存在两类结合位点，这表明在聚合反应之前，TNT与功能单体丙烯酰胺分子之间存在两种不同类型的作用力而自组装成两类的模板分子-功能单体复合物，一类可能是由于富电子的丙烯酰胺和缺电子的TNT的苯环通过p-π配键而形成的电荷转移复合物，另一类可能是由于丙烯酰胺的胺基与TNT的硝基之间的氢键作用而形成的复合物。

In order to facilitate NO- to combine with the heme iron ion so as to improve the stability of pigment, this experiment utilized protease to hydrolyze Hb to some degree and then made NO- react with Heme-iron to concatenate large molecule polypeptide, into nitrosyl heme-polypeptide .

为了使亚硝基更易结合于血红素亚铁离子及提高色素稳定性，本研究采用蛋白酶有限酶解猪血红蛋白，酶解液中大分子血红素多肽与亚硝基反应合成亚硝基血红素多肽。

In order to facilitate NO－ to combine with the heme iron ion so as to improve the stability of pigment, this experiment utilized protease to hydrolyze Hb to some degree and then made NO－ react with Heme-iron to concatenate large molecule polypeptide, into nitrosyl heme-polypeptide.

摘 要：为了使亚硝基更易结合于血红素亚铁离子及提高色素稳定性，本研究采用蛋白酶有限酶解猪血红蛋白，酶解液中大分子血红素多肽与亚硝基反应合成亚硝基血红素多肽。

In order to facilitate NO- combine with the iron ion of Heme and to improve the stability of pigment, this experiment utilize protease to hydrolysate Hb to some extent and then NO- interact with Heme-iron concatenated large molecule polypeptide, nitrosyl heme-polypeptide being synthesized.

为了使亚硝基更易结合于血红素亚铁离子及提高色素稳定性，采用蛋白酶有限酶解猪血红蛋白，酶解液中大分子血红素多肽与亚硝基反应合成亚硝基血红素多肽。

WithinPMAO LB films,because the distance between the metal ions is no morethan 0.3nm,the carboxylate groups of a molecule form a nanoparticle(the size is less than 0.2nm)by the hydrogen bond or metal ion asthe bridges.

实验表明，在这种高羧基密度的聚合物中，由于羧基距离较近(＜0.3nm)，羧基通过氢键或金属离了为桥在分子内聚集成纳米团簇(＜2nm)。

Hydrophobic - A nonpolar molecule that does not readily associate with water through hydrogen bonds .

-一种非极性分子，这并不容易准水通过氢键。

In one series of experiments, we observed the lengthening of the nine-carbon molecule nonyl thiol to form 10-carbon decanoic acid, a compound similar to the acids that drive metabolic reactions in living cells.

我们做过一系列实验，观察到九个碳的壬硫醇增长形成十个碳的癸酸，这个分子与细胞内驱动代谢反应的有机酸很类似。

The crystal structure of the nucleoprotein is a trimer, with each monomer molecule shaped like a crescent.

核蛋白晶体构造是一种由三条大型分子链组成的三聚体，每一条支链形状就象鸡冠一样。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷