查询词典 molecule

Metathesis, the technique for which Dr Chauvin, Dr Grubbs and Dr Schrock will receive their prizes, is a form of chemical sleight of hand that allows groups of atoms to be moved efficiently from one molecule to another.

复分解是一种化学技术，能使原子团有效地从一个分子转移到另一个分子。伊夫－肖万、罗伯特－格拉布和理查德－施罗克博士将因此项技术而获奖。

Metathesis, the technique for which Dr Chauvin, Dr Grubbs and Dr Schrock will receive theirss prizes, is a form of chemical sleight of hand those allows assembles of atoms to be aroused efficiently from one molecule to anotIT.

复分解是一种化学技能，能使原子团有效地从唯一分子转移到另唯一分子。

A gene can be defined as the smallest hereditary unit capable either of recombination or of mutation. Alternatively it may be described as a unit of function, a CISTRON, which may be much larger than a unit of recombination or mutation, and controls the synthesis of a single polypeptide or a messenger RNA molecule whose genetic code is sontained within the gene.

基因是重组和突变的最小遗传单位，也可以被描述为一种功能单位———顺反子，顺反子可能比重组和突变单位大的多，它控制单个多肽的合成或合成含有遗传信息的信使 RNA 密码子。

Their conformation is affected by the sequence of amino acids and the type, location, and nature of the bonds between different parts of the molecule, or between the polypeptide chain and various cofactors and prosthetic groups.

氨基酸的序列，类型，位置还有分子间不同部分之间的化学键的性质，以及多肽链和不同的辅助因子和辅基都能够影响构象。

For each molecule, draw the two possible chair conformers and circle

对于每个分子，画出两个可能的椅式构象并圈出较稳定的构象。

Then based on CWMS, we propose a new method to enhance the resolution of seismic traces. Firstly, we divide the seismic signal into proper segments by Gabor molecule-windows adaptive to the signal, where each segment is regarded stationary, and then transform it into the Gabor domain. Secondly, we deal with the amplitude spectrum for each segment to expand the frequency band of the spectrum in the Gabor domain. Finally, taking inverse Gabor transform on modified time-frequency coefficients, we get the high-resolution signal.

然后基于变子波模型，提出了一种新的提高地震记录分辨率的方法：第一步，用自适应于地震记录的Gabor分子窗把地震记录恰当地划分成若干片断，每段内信号近似平稳，然后将地震记录变换到时间-频率域；第二步，在变换域对每个分子窗内信号的振幅谱进行处理以拓宽频带；最后把处理后的时间-频率域函数反变换回时间域得到提高分辨率后的结果。

Immunotoxins composed of mAbs that are conjugated to a wide variety of either protein or small-molecule cytotoxins have also been studied in the clinic.

组成广泛的交联物的蛋白质和小分子细胞毒物质现已进入了临床研究。

Based on the changes in the spectrum characters of guest molecules producedthrough inclusion complex formation with cyclodextrins, we have carried out two aspects of investigation:First, the mechanisms for the host-guest recognition reactions have been studied, such as the interactions between 3-CD and curcumin, the main constituent of the rhizomes of the plant Curcuma longa, the recognition of p-CD towards rubidate, the effective component of the Chinese traditional medicine madder, and the reactions of p-CD towards the antileprotic drug dapsone and the antiinflammatory drug nabumetone: The formation of supramolecular complex between P-CD and guest molecule has been discussed and verified in virtue of multitudinous means such asultraviolet-visible absorption, fluorescence emission, infrared spectrogram and so on. The influence of addition of linear alcohols on the supramolecular system has been studied and the reason why the noncovalent interactions in the three-component system could result in a decrease in the apparent association constant of the inclusion complex has been revealed.

本论文基于环糊精对被包结客体光谱性质的改变，开展了两大方面的研究：β-环糊精对姜黄属植物根茎主要成分—姜黄素、中药茜草有效成分—茜草双酯、抗麻风药物氨苯砜及抗炎药物萘丁美酮的主-客体识别反应机制研究：借助超分子包合物的紫外吸收光谱、荧光光谱或红外吸收光谱等手段，通过多种方法探讨并验证了超分子包合物的形成；研究了直链醇的加入对超分子体系的影响，揭示了三元体系中非共价相互作用导致超分子包合物表观结合常数降低的原因：对超分子包结反应进行了热动力学研究，探讨了各热动力学参数的变化趋势并从熵焓互补的角度考察了超分子包结过程；通过荧光猝灭实验进一步揭示了水相中β-环糊精增敏客体荧光的本质原因，从而为超分子化学提供新的理论和研究方法。

What those "experts" talk about should be the water purification machine. That kind of water filters adopt reverse osmosis system which was firstly applied in the aviation area to provide drinking water for astronauts. The merit they have is offering high-purity water (no other substance can pass except water molecule); the demerit is that the depurated water is so clear that is lack of microelements good to health.

但是事实并非如此，这些&专家&所说的是应该是纯水机，这种净水器采用的是反渗透系统，最早出现在航空事业中，是为了给航空员解决饮用水问题而研发的，它的优点是出水精度高（除了水分子，任何物质都过不去），缺点是净化后的水过于纯，缺少对人体有益的微量元素。

The desiccants in common use have some shortcoming of themselves, in order to find substitutes and find a new way of processing the agriculture byproduct, in this paper, we prepared desiccant from corn hull. Corn hull has a great deal of surface hydroxyl that can form hydrogen bond with water molecule.

常用干燥剂在使用过程中存在着各自的缺点，为了寻找替代品，并寻找一条农副产品深加工利用的途径，在本文的研究中选择从玉米渣皮这种天然原料出发，利用其具有的大量表面羟基与水分子形成氢键的能力，将其制成干燥剂。

You can do some assertiveness training.

你可以进行一些自信训练。

We were well on the path to making a rear-wheel-drive global platform," says Mays."

我们正致力于建立一个后轮驱动的平台，"Mays这样说道。"