光诱导

The results show that various components of qN can be resloved by pulse technology in dark relaxation kinetics after the actinic ...

通过改变诱导光强、脉冲频率和脉冲强度，寻找适当的条件以区分光诱导期间的qP、qN和随后黑暗期间qN的快、中、慢三个组分。

In inducing callus process, the suitable illumination conditions were the former period with darkness culture and the later period with light culture. In inducing dedifferentiation and redifferentiation process, the temperature of 24-26℃ was suitable.

在愈伤组织诱导时，光照条件以前期暗培养、后期光培养为宜，在诱导脱分化和再分化时，培养条件以温度24-26℃为宜。

The photic stimulus has the advantages including scatheless, strength-controlled, unchanged intracellular or extracellular environment of astrocytes and etc. It is a new method to induce the calcium signal of astrocytes.

以上结果表明，飞秒脉冲激光的光穿孔效应能够诱导出星形胶质细胞的钙升高和钙波，具有无损、强度可控、不改变细胞内外环境等优点，是一种新的诱导钙信号的方法。

24H treatment group compared with 24h model group: the density of light of HSP70 of the group increased and which of TGF-β〓, is not different with the model group; the density of the light the HSP70 of the Baicalin group increased and which of it the TGF-β〓, increased with the model group; the density of light of the Concha Margatitifera Usta is not different and which of TGF-β〓, increased with the model group; the density of light of the Cholic Acid group is not different and the density of light of it of TGF-β〓 increased with the model group; the density of light of the Hefang Group is not different and which of TGF-β〓 is not different than the model group.

合方治疗脑缺血12小时组缺血脑组织TGF-β1光密度值较缺血12小时模型组无显著性差异（p＞0.05）。本实验结果发现，与单纯缺血12小时、24小时大鼠相比，药物干预组缺血侧大脑皮层TGF-β1免疫反应明显增强，计算机辅助图像半定量分析两组间缺血侧大脑皮层TGF-β1免疫阳性细胞数差异非常显著。说明药物对局灶性脑缺血损伤可能有一定保护作用，其机制可能与诱导脑细胞TGF-β1合成增加有关。然而，药物调控TGF-β1表达，其促TGF-β1表达增强的机制可能是这样的：脑缺血时TGF-β1mRNA表达增加可能与缺氧诱导神经和胶质细胞刺激生长因子表达有关。

24H treatment group compared with 24h model group: the level of MCP-1 of the Gardenoside group decreased, but the level of MIP-1 of it is no different with the model group; the level of the MCP-1 of the Baicalin group increase and the level of MIP-1 of it all decreased; the level of MCP-1 and MIP-1 of the Concha Margatitifera Usta all decreased; the level of MCP-1 of the Cholic Acid group decreased and the level of MIP-1 is no different with the model group; the level of MCP-1 and MIP-lof the Hefang Group decreased than the model group.

在本实验中，脑缺血能够诱导P53蛋白表达，P53蛋白可能参与调控缺血后神经细胞延迟性死亡的病理生理过程，药物通过抑制细胞凋亡，从而发挥治疗作用。五、大鼠局灶性脑缺血12小时模型组缺血脑组织HSP70光密度值含量较正常组明显增高（p＜0.05）。珍珠母治疗脑缺血12小时组缺血脑组织HSP70光密度值较缺血12小时模型组无显著性差异（p＞0.05）。胆酸治疗脑缺血12小时组缺血脑组织HSP70光密度值较缺血12小时模型组无显著性差异（p＞0.05）。

The cotyledon explants excised from 5-day-old germfree seedlings were cultured on the MS medium containing 1.0 mg/L 6-BA in darkness for 3 days, and then further cultured under light condition for induction of adventitious buds.

结果显示：将从5 d龄甜瓜无菌苗上切取的子叶外植体接种在MS+6-BA1 mg/L的不定芽诱导培养基上，黑暗条件培养3 d，再转至光下继续培养，诱导出高效不定芽丛。

Knema globularia belongs to the family Myristicaceae. The CHCl〓 extract of Knema globularia showed strong anti-PAF activity. It can also inhibit platelet aggregation induced by AA and ADP.

小叶红光树为肉豆蔻科红光树属植物，对其粗提物进行药理筛选的结果表明，小叶红光树的CHCl〓部分具有较好的抗PAF活性，另外还具有对抗花生四烯酸和ADP诱导能力。

Notably, compounds 12–14 can be described as a 3D open–framework with nano–channels, compound 15 can be described as a 3D open–framework with double helical channels, while compound 16 can be described as a 3D heterochiral coordination polymer with double helical channels, which can be obtained by spontaneous resolution from the racemic phosphonic acid.X–ray powder diffraction analysis shows that compound 16 is a pure phase. Surface photovoltage spectroscopy of compound 16 indicates that it possesses positive SPV response in the range of 300–600 nm and shows p–type semiconductor characteristic.

值得注意的是，化合物12-14为具有一维纳米孔道结构的三维开放骨架结构，化合物15是具有双螺旋孔道的三维开放骨架结构，而化合物16是外消旋的有机膦酸配体通过自发拆分而形成的具有双螺旋孔道的多手性三维开放骨架结构。X-射线粉末衍射分析表明化合物16为纯相；化合物16的表面光电压光谱分析中，在300-600nm范围内有3个正的光(来源：ABC论文12网www.abclunwen.com)伏响应带，表明它具有p型半导体的特征；化合物16的诱导表面光电压谱进一步确定它的p型半导体的特征；磁性研究表明，化合物16中两Mn原子之间存在弱的反铁磁相互作用。

The effects of low irradiance on chlorophyll a fluorescence kinetics were studied in two eggplant Solanum melongena L.

根据快速叶绿素荧光诱导动力学原理，选用耐弱光茄子品种99-8和不耐弱光茄子品种黑又亮作试材，进行遮光（光照强度相当于自然光照的40%）15 d、未遮光15 d、遮光30 d和未遮光30 d 4个处理，用JIP-测定法对不同耐弱光性品种在不同光照条件下的叶绿素荧光特性进行研究。

The results show that perfect anatase nanocrystalline TiO2 can be obtained by SGRTSE method and the photocatalytic activity of TiO2 can be improved by doping and surface treatment. In the experimental system, the addings of proper salts are beneficial to the photocatalytic degradation of DBSNa. The pH value of solution, adding amount of TiO2, flow rate of air, and initial concentration are the main influence factors for the photocatalytic degradation of methyl orange, and the apparent reaction order is pseudo-first-order, which could be described by Langmuir- Hinshelwood equation.

结果表明：sol-gel法结合室温溶剂蒸发诱导可制备出晶型良好的锐钛型纳米TiO_2；过渡元素和稀土元素杂原子掺杂，贵金属掺杂和表面酸化处理是有效提高TiO_2光催化活性的途径；试验体系中，在DBSNa的降解过程中加入适量的盐，可以大大加速降解效果；光催化降解水中有机物，溶液pH值，TiO_2投加量，曝气速率，被降解物起始浓度等是影响降解效果的重要因素；对起始浓度较低的有机物光催化降解过程可利用简化的Langmuir-Hinshelwood动力学方程进行描述，反应级数为拟一级。

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