应用化学

Methods Based on the model of human umbilical vein endothelial cell,this study adopted Rose Bengal Stain,cell ELISA,immunocytochemistry techniques to investigate the effect of APS on lymphocyte-endothelium adhesion and the molecular mechanism.

以体外培养的人脐静脉内皮细胞为模型，应用蛋白染料染色、细胞ELISA、免疫细胞化学等方法，研究黄芪多糖对淋巴细胞与血管内皮细胞粘附的影响及其分子机制。

The papers are carefully selected by an editorial board to cover all aspects of Biology of Tree and Related Microorganisms, Wood Anatomy and Structure, Wood Physics and Chemistry, Timber Engineering, and Environmental Material Science.

这些杂志均刊登在该领域内的基础研究和应用研究的成果，内容涉及树木和相关微生物生物学、木材解剖学和结构、木材物理学和木材化学、木料工程学以及环境材料科学等。

Fifiteen experiment animals were divided randomly into normal control group, 12h-post-trauma group and 36h-post-trauma group (5 each). Immunohistochemistry and image analysis techniques were used to measure the area, optic density value and integrated optic density value and integrated optic density value of Ngb immunoreactive products in primary somatosensory cortex (S1) and retrosplenial granular b cortex, which was located in the inner side and out side of traumatic brain injury cavity in coronal section of rat brain respectively.

采用自由落体硬膜外撞击方法建立脑外伤模型，15只实验动物分为正常对照组及脑损伤12、36h组，应用免疫组织化学和图像分析技术观察伤灶周围第一躯体感觉皮质区(S1)和压部后颗粒细胞b皮质区内Ngb免疫反应阳性信号面积、光密度和累积光密度的变化。

Methods Fifty white guinea pigs with normal hearing were randomly divided into the control group, ligustrazine group and traditional Chinese drug group. The alternations of hearing function were evaluated by the examination of auditory brainstem response. Some specimens were perfused by AgNO3 and observed the damage of bristle cell. And some were sent for immunohistochemistry to detect the expression of iNOS. Results Compared with the control group, the threshold of ABR in ligustrazine group and TCD group were tignificantly different.

将50只健康白色红目豚鼠随机分为对照组、顺铂组和中药组，各组动物均于用药前及停药后测试听觉脑干诱发电位，采用耳蜗铺片观察毛细胞损伤情况，应用免疫组织化学方法测定各组动物耳蜗内iNOS的表达情况。

Common transparent quartz tube SiO2 more than 99.9% purity, geometry, chemical stability, thermal stability, resistance to thermal denaturation and anti-crystallization properties of the fine, optical transmittance above 93%; from hydroxyl in hydroxyl tube below 10ppm, after vacuum from hydroxyl, hydroxy-up to 5ppm below apply to high-pressure mercury lamp, sodium lamp, metal halide lamp, such as low-hydroxy products; white pipe, used mainly for heating tube, heating tube, far infrared control the manufacture, milky quartz pearl quartz tube possession of new technology, the management side as if the surface of pearls, all aspects of performance than ordinary white tube better; filter tube to filter out ultraviolet UV band in the harmful wavelengths of 190-320nm ultraviolet light source applied to environmental protection manufacturing; no ozone UV filter tube and pipe the contrary, through the ultraviolet wavelength around 253.7nm, there is no ozone UV lamp main material, widely used in medical equipment, water treatment, food hygiene, such as sterilization; quartz casing diameter 8-120mm in between, has a single opening, double opening round, flat-top shape and widen the mouth of necking, flanging, sanding and other processing, high temperature resistance, corrosion resistance, good light transmission and moisture-proof, explosion-proof characteristics such as widely used in aquarium thermostat, disinfection equipment, heating pipes, water treatment, metal halide lamp, such as product manufacturing and environmental protection, health, chemical and other fields; quartz Clamshell specifications 8-180mm, the shape according to the customer requirements, the bubble shell can take capillary has to carry out the exhaust, high temperature, light transmission is good, mainly for JC, JD, H1-H7, the stage lights and high-pressure mercury lamp, sodium lamp, metal halide lamp, such as product manufacturing; quartz water jacket mainly used in printing and packaging processing industry ---- UV light-curing, UV light curing is a very reliable and can be used to replace hot air dryers and other drying technique of curing technology, which in the printing and packaging of the processing industry has been widely.

普通透明石英管SiO2纯度达99.9%以上，几何尺寸、化学稳定性、热稳定性、抗热变性和抗析晶性能优良，光学透过率达93%以上；脱羟管羟基在10ppm以下，经过真空脱羟，羟基可达5ppm以下，适用于高压汞灯、钠灯、金卤灯等低羟基产品；乳白管，主要用于发热管、加热管、远红外管的制造，珠光石英管乳白石英管之新工艺，管面好象珍珠的表面，各方面性能比普通乳白管更优；滤紫外线管能够滤除紫外光谱波段中对人体有害的190-320nm波长的紫外线，适用于环保光源的制造；无臭氧管与滤紫外线管相反，可透过253.7nm左右波长的紫外线，是无臭氧紫外线杀菌灯的主要材料，广泛用于医疗器械、水处理、食品卫生等杀菌；石英套管直径范围在8-120mm之间，有单开口、双开口、圆头、平头等外形和扩口、缩口、翻边、磨砂等加工，具有耐高温、耐腐蚀、透光性好及防潮、防爆等特点，广泛使用于水族恒温器、消毒设备、加热管、水处理、金卤灯等产品的制造和环保、卫生、化工等领域；石英泡壳规格Φ8-180mm，形状根据客户要求，泡壳上可以接有毛细管，可进行排气，耐高温，透光性好，主要用于JC、JD、H1-H7、舞台灯和高压汞灯、钠灯、金卤灯等产品的制造；石英水套主要用于印刷和包装加工工业---- UV光固化， UV光固化是一种十分可靠的、可取代热空气干燥机和其他干燥技术的固化技术，它在印刷和包装加工工业已经得到广泛应用。

The reaction mechanism, by-reaction inhibition, effect of initiator, and monomer on grafted products are studied extensively. Polyethylene grafted with maleic anhydride, as the hot melt adhesive for the aluminum-plastics compound pipe, is also studied as a goal for engineering application.

对反应挤出接枝体系进行了热分析，确定了合理的反应挤出工艺条件：用红外光谱和化学滴定的方法分别对接枝结构和接枝率作了定性表征和定量测定；对三种反应挤出体系的反应机理和副反应的抑制，以及引发剂、单体对接枝产物的影响进行了深入系统地研究；对PE接枝MAH作为铝塑复合管的热熔胶进行了工程化应用研究。

The suitable reaction conditions are determined by thermal analysis for grafting systems via reactive extrusion technology. The grafted structure and grafted ratio are determined and tested by infrared spectrometry and chemical tritration method. The reaction mechanism, by-reaction inhibition, effect of initiator, and monomer on grafted products are studied extensively. Polyethylene grafted with maleic anhydride, as the hot melt adhesive for the aluminum-plastics compound pipe, is also studied as a goal for engineering application.

对反应挤出接枝体系进行了热分析，确定了合理的反应挤出工艺条件：用红外光谱和化学滴定的方法分别对接枝结构和接枝率作了定性表征和定量测定；对三种反应挤出体系的反应机理和副反应的抑制，以及引发剂、单体对接枝产物的影响进行了深入系统地研究；对PE接枝MAH作为铝塑复合管的热熔胶进行了工程化应用研究。

The suitable reaction conditions are determined by thermal analysis for grafting systems via reactive extrusion technology. The grafted structure and grafted ratio are determined and tested by infrared spectrometry and chemical tritration method. The reaction mechanism, by-reaction inhibition, effect of initiator, and monomer on grafted products are studied extensively.

对反应挤出接枝体系进行了热分析，确定了合理的反应挤出工艺条件；用红外光谱和化学滴定的方法分别对接枝结构和接枝率作了定性表征和定量测定；对三种反应挤出体系的反应机理和副反应的抑制，以及引发剂、单体对接枝产物的影响进行了深入系统地研究；对PE接枝MAH作为铝塑复合管的热熔胶进行了工程化应用研究。

For the necessary vertical packaging machine, the computer measurement machine design, mainly applies in the particles transportation may the proceed signal recognition control the machine to stop automatically opens, is suitable for products and so on food, medicine, chemistry industrial product, screw, cap nut.

为配套立式包装机，电脑计量机设计，主要应用于颗粒物的输送可通过信号识别来控制机器的自动停启，适用于食品、医药、化学工业品、螺丝、螺帽等产品。

When using 57B wire rod to produce card wire,the squash ed wire after drawing often cracks.

针对 5 7B线材生产针布钢丝出现拉拔后钢丝压扁开裂的现象，应用理化检验手段，对线材、钢丝的化学成分、表面情况、金相组织等进行分析。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。