光与光化的

A kind of polishing wheel installed in the equipments imported from Germany or Czechoslovakia and in the polishing machine for crystal glass decoration, which is made from high flexible macromolecule, aluminum oxide and cerium oxide .

产品描述：一种安装在德国、克进口设备以及国内自主研发的水晶玻璃饰品研磨机上的抛光盘它是由高弹性和高强度的高分子材料与很锋利的抛光性能极佳的氧化铝、化铈等软质磨料进行混合反应而制作。

In addition, the mitochondria showed no signs of swelling and the nuclear membrane remains intact. Multiple membrane-bound apoptotic bodies and engulfment of cell debris and corpses by phagocytes were observed at 24h, while extensive cell loss appeared at 48h. These results demonstrated the occurrence of high level of apoptosis by 24h postdosing.

相应的超薄切片在电子显微镜下得到结果与光镜下一致，24h前线粒体形态结构无明显变化，主要有染色质浓缩、边集及分割，以及内质网空泡化和凋亡小体的形成；24h后可观察到线粒体的肿胀和扩张，细胞发生崩解和死亡。

Photochemical reactions of benzodioxoles with benzoquinone was investigated by photo-CIDNP technique.

光照的1H化学诱导动态核极化技术用于研究胡椒基类化合物与苯醌的光化反应。

Dicarboxylic acids, which originate from burning of petroleum fuel as well as from man-made and natural photochemical precursors, are one of the important atmospheric aerosols.

二元酸是大气环境中气胶的重要组成之一，自石化燃燃烧及人为与生物源的有机前驱物的光化反应导致。

Herein, a series of compounds, BP-C〓-NBD (n=2, 3, 4, 5, 6, 8, 10), was synthesized. Nanosecond flash photolysis, phosphorescence emission and lifetime, as well as photoisomerization reaction of norbornadiene were used to understand the intramolecular triplet energy transfer in detail.

我们设计、合成了以多亚甲基连接的二苯酮与降冰片二烯（BP-C〓-NBD，n=2，3，4，5，6，8，10）系列化合物，利用纳秒时间分辨技术、低温磷光发射、磷光寿命以及光敏异构化的方法，对其分子内三重态能量传递过程进行了详细地研究。

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 experiment results demonstrate that the QDs-based fluorescence probes can effectively recognize gastric cancer cells and exhibite good sensitivity and exceptional photostability, which would provide a new method in detecting CA242 and offer a novel way for the diagnosis and curative effect observation of gastric cancer.

实验结果表明：该功能化的探针能够有效地识别胃癌细胞相关抗原CA242，并且在光稳定性和灵敏度方面都较传统的基于荧光染料标记的免疫荧光分析方法有明显的改善，从而为CA242的相关检测以及胃癌的诊断与愈后判断提供了新的方法。

A metastable helium atomic beam effused out of atom source is firstly cooled transversally by laser. This well-collimated atomic beam traveling through the light standing-wave whose direction is perpendicular to atomic beam is quenched, and channeling effect happens in atomic density distribution.

亚稳态原子束从原子源喷出后首先对其进行横向激光冷却，准直后的原子束穿过与之垂直的激光驻波场时发生淬火过程，原子的密度分布出现沟道化效应，给出基于光掩模制作纳米图形的基本原理、理论分析及模拟结果。

Second, we discuss two materials which are cinnamoyl chloride and azobenzene. The cinnamoyl chloride can induce the photo-dimerization reaction under linear-polarized UV light. Similarly, azobenzene can induce the cis-trans photoisomerization under UV light.

第二部分采用光诱导配向的方式，将偶氮苯与PI结合，再利用偏极化紫外光曝光使其产生顺-反异构化反应，再用polarized-ATR-FTIR研究其三度空间之分子排列，做为未来显示器配向膜的参考。

Based on the fog droPlet spectra obtained at Zhou Shan Archipelago in 1985, the coefficients of Parametric formulae about visibilities and extinction coefficients in fogs are determined.

应用实测的舟山海雾滴谱资料，计算了雾能见距离与光衰减系数参数化公式中各系数的值。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐