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Mechanisms of joint toxicity action could be discussed according to luminescence principle of Photobacterium phosphoreum and molecule structures of the mixture components.

同时根据发光菌发光原理、结合DDBAC的分子结构特征和芳烃类化合物取代基的不同，对联合毒性作用机理进行初步的探讨。

The mechanisms of joint toxicity action were also simply deduced according to luminescence principle of photobacterium phosphoreum and molecule structures of the mixture components.

根据发光原理和混合体系组成，可初步推测联合毒性的作用机制。

The main results and conclusions are as following:(1) By using the femtosecond time-resolved fluorescence up-conversion technique, we studied the ultrafast excited state photoisomerization process of 33TC dye molecule.

主要内容和结论如下：(1)利用飞秒时间分辨荧光上转换技术对3，3'-磺酸基丙基噻腈三乙胺盐(33TC)的超快激发态光异构过程进行了研究。

Optical control of the primary step of photoisomerization of the retinal molecule in bacteriorhodopsin from the all-trans to the 13-cis state was demonstrated under weak field conditions (where only 1 of 300 retinal molecules absorbs a photon during the excitation cycle) that are relevant to understanding biological processes.

在弱场条件下（整个兴奋周期中，300个视黄醛分子中只有一个吸收光子），细菌视紫红质中视黄醛分子的从全反式到13－顺式状态的光致异构化的最初阶段的光学控制被阐明，这与生物学过程的理解有关。

The purpose is the functions of Gq protein in phototransduction under the illumination by different light condition, and to accumulate dasal information for animal photoreceptive physiology in molecule levels.

日本沼虾和红螯螯虾，同属甲壳纲十足目长尾亚目，是目前我国主要的具有增养殖前景的淡水经济虾类。

Focusing on non-phototropic hypocotyls 3 (NPH3), a protein known to be essential for phototropic responses, they examined its phosphorylation, the addition or removal of a phosphate group to the protein molecule.

小组主要分析了一种对于趋光性非常关键的蛋白NPH3，他们研究了这一蛋白的磷酸化作用。

The results indicated that these sequences were not the suitable molecule markers for their relative and phylogenetic study.

因此，这些片段不适于作为亲缘关系和系统进化研究的分子标记。

The plant and environment interactions and the molecule mechanism, include light acceptors and its message transductions, heat shock and its protein induced, phytopathological defensive reaction and its elicitors and related proteins, mechanical injury message and the signal introduction.

环境刺激及其反应的分子机制：光受体及其信号转导；热激及热激蛋白、功能与热激反应的信号转导；植物的病理防御反应，激发子及其结合蛋白与防御反应的信号转导；机械与伤害信号分子及其信号转导。

The finding comes from a team of Japanese researchers, who report in the March 4 issue of Nature that the hydrocarbon molecule picene, ordinarily a semiconductor, becomes a potential superconductor when interspersed with an alkali metal such as potassium or rubidium.

这项发现来自于日本研究人员。他们在3月4日《自然》杂志上撰文称，一种叫苉的烃类原本是半导体，但在其中扩散过碱金属后就会变成超导体。扩散钾以后，这种材料的临界温度是相对&暖和&的18K（-255℃）。

The effects of the crystallization degree, the uniformity of charge distribution, the surrounding hydration cation and the pillaring mode of organic molecule on the interlamellar space of hydrobiotite were finally discussed.

通过X射线衍射与红外光谱进行表征分析，讨论了结晶度、电荷分布均匀性、水合阳离子及不同有机分子柱撑模式对晶层层间距的影响。

The witness also told the jury at the Royal Courts of Justice in London that he saw a paparazzo fighting with a member of the public who was trying to stop him taking pictures in the minutes before the emergency services arrived.

他还告诉在伦敦皇家法庭的陪审团，在急救服务到来之前，他当时看见一个狗仔队正和一群阻止他拍照的人打架。

The entire N／C program on a tape is made up of an accumulation of these successive data blocks.

纸带上的整个数控程序由这些连续数据单元连接而成。