光诱导

Drought caused photoinhibition and increased the damage of reactive oxygen. Antioxygenation of fast-growing 107 was stronger than Populus pseudo-simonii.2. As expected, both NO and ABA can induce stomatal closure of detached populus leaves.

107杨具有较强的抗氧化能力，干旱诱导酶活性提高；小青杨抗氧化能力较弱，造成活性氧积累，导致光氧化伤害。

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。

The reaction mechanism and the dynamic were investigated Some results were obtained as the following:1. Investigation on the photo-induced reaction mechanism of porphyrin/benzoquinonePoiphyrin/benzoquinone/CK3OD and benzoquinone/CDsOD were studied by CIDNP and ESR technique.

本文采用化学诱导动态核极化和电子自旋共振等方法，针对光合作用模型体系的光激发电子转移和基态相互作用以及跨膜电子传递反应动力学等问题，从反应机理及动力学等角度进行了探索性研究。

Slit-lamp biomicroscopy photography, and immunohistochemical staining were done. The area of CNV was calculated and the average optic density of immunohistochemical staining of iNOS was measured after 8 hours and 1, 4, 7, 14 and 28 days by imaging analysis system.

采用裂隙灯照相，免疫组化染色，多媒体彩色图像病理分析系统分别计算8 h、1，4，7，14，28 d共6个不同时间点的角膜新生血管面积和诱导型一氧化氮合成酶免组染色的平均光密度值。

The results indicate that light and leaf sheath affect calli induction and growth.

结果表明，光和胚芽鞘对小麦叶片愈伤组织诱导和生长有较大影响，愈伤组织的增殖速度与接种时小麦幼苗长及叶片切段部位有关。

Thickness and property of thin Ag film have an effect on the charac- teristics of induced transmission filter.

银膜的性能和厚度直接影响诱导透射滤光片的性能和指标。

By the cooperation of 8-MOP/UVA, the photoaging-characteristic biological markers of the dermic fibroblasts in vivo and in intro were changed as follows:① with a permanent switch of mitotic to stably postmitotic phentypes, fibroblasts displayed growth suppression and morphological changes of cell senescence;② increasing expression of SA-β-galactosidase;③ increasing expression of p16 protein;④ continuous up-regulation of mRNA of MMP-1 and MMP-3, while the protein of TIMP-1 was only slightly induced;⑤ high levels of the 4977bp deleted mtDNA accumulated in dermis and cultured fibroblasts, and large accumulation of a A→C base transversion of 414 position of 〓 of human mtDNA control region for replication of cultured fibroblasts also.

2.8-MOP/UVA作用下，体内外真皮成纤维细胞生物学特性出现具有光老化特征性的改变：①细胞由具有分裂活性的分裂表型转化为不具有分裂能力的分裂后表型，形态学出现细胞衰老的相应改变；②SA-β-Gal表达增加；③p16蛋白表达增加；④MMP-1、MMP-3 mRNA持续表达而TIMP蛋白表达仅被轻微诱导；⑤mtDNA 4977bp缺失大量累积，培养成纤维细胞mtDNA复制控制区〓片段414碱基迅速出现大量A→C的点突变。

In addition, like ascorbic acid, an important reducing substrate for H2O2 removal, but unlike diphenylene iodonium, an inhibitor of the H2O2-generating enzyme NADPH oxidase, PD98059 and TFP not only reduced exogenous H2O2 levels in guard cells in light, but also eliminated the H2O2 that had been generated during a dark period and promoted stomatal opening.

另外，和H2O2的产生有关的NADPH氧化酶的抑制剂二苯基碘的作用效果不同，而和H2O2的清除剂抗坏血酸的作用效果类似，PD98059和TFP不仅能够降低光下保卫细胞的外加的H2O2水准，而且还能清除由黑暗条件诱导的已经产生的H2O2，并能引起气孔开放。

The CIDEP spectra of the transient radicals in the photolysis of duroquinone/ethylene glycol system in acid, basic and micellar environment were measured with the homemade highly time-resolved ESR spectrometer.

用自制的高时间分辨电子自旋共振波谱仪，测量得到了酸性、碱性和胶束环境下的光解杜醌／乙二醇溶液瞬态自由基的化学诱导动态电子自旋极化谱。

The invention clones geranyl pyrophosphate synthase GGPPS gene from the ginkgo to construct plant expression vectors which contain ggpps gene, the ggpps gene is inducted into immature embryos of the ginkgo to induct out the callus tissue by the mediating of agrobacterium tumefaciens, PCR and semiquantitative RT-PCR detect the conformation and expression status of exogenous target gene ggpps, high-performance liquid chromatography and an evaporative light-scattering detector are employed to determine the terpene lactones content inside the callus tissue of the ginkgo, and the obtained callus tissue of the ginkgo of which the terpene lactones content is increased is screened.

本发明从银杏中克隆香叶基香叶基焦磷酸合成酶GGPPS基因，构建含ggpps基因的植物表达载体，用根癌农杆菌介导，将ggpps基因导入银杏幼胚并诱导出愈伤组织，PCR和半定量RT-PCR检测外源目的基因ggpps的整合和表达情况，高效液相色谱法及蒸发光散射检测器测定银杏愈伤组织中萜内酯含量，筛选获得银杏萜内酯含量提高的转基因银杏愈伤组织。

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