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Main Products: Packing series: expanded graphite packing, carbon fiber packing, aramid packing, expansion PTFE packing, asbestos packing gasket series: metal wound pad, metal-coated pad, metal tooth pad, PTFE-coated gaskets, disc spring gasket, high-strength graphite gasket, non-asbestos gasket, rubber mat films such as sheet metal gasket Products Series: graphite plates, tetrafluoroethylene plate, no°, mica board, fibreboard, rubber sheet, asbestos rubber sheet sealing equipment: metal coating machines, small and medium-sized winding machine, graphite opening machine, strip Open machine, plate rolling machine sealed packing: tower packing, soft filler products such as rubber seal: Rubber Parts, O-ring, the tool box sealing tools and other products: packing tools, gasket cutters special tools, such as sealed.

盘根系列：膨胀石墨盘根，碳纤维盘根，芳纶盘根，膨胀四氟盘根，石棉盘根垫片系列：金属缠绕垫，金属包覆垫，金属齿形垫，四氟包覆垫片，碟簧垫片，石墨高强垫片，无石棉垫片，橡胶垫片等垫片产品板材系列：石墨板，四氟板，无石棉板，云母板，纤维板，橡胶板，石棉橡胶板密封设备：金属包覆机，中小型缠绕机，石墨开条机，钢带开条机，板材滚压机密封填料：塔填料，软填料等产品橡胶密封：橡胶件，O型圈，工具盒等产品密封工具：盘根工具，垫片切割器等密封专用工具。

The results showed with the application of coated compound fertilizer, the activities of soil urease, neutra phosphatase, catalase and sucrase were better than compound fertilizer treatment because of the significantly controlled release effects of the coated compound fertilizer.

结果表明，在试验条件下，由于包膜复合肥对养分的显著控释效果，它的施用对土壤脲酶、中性磷酸酶、过氧化氢酶和蔗糖酶活性的影响要好于普通肥料处理。

Sunlight shines on the selected sorption layer coated on the outer surface of inner glass tubes through the outer glass vacuum heat collecting tubes; the coated layer sorbs the sunlight radiation energy, changes it into the heat energy and transfers it into the liquid form medium i.e.

它像拉长的保温瓶胆，内管外表面采用磁控溅射工艺，沉积多层渐变选择性涂层，在内外管空间抽成真空，消除了气体的对流与传导热损，并应用选择性吸收涂层，使真空集热管的辐射热损降到最低。

It is found that the ploating structure of copper power is related to mechanism of nucleus forming and content of silver;Thermal stability is affected by plating structure of silver-coated copper power.Silver-coated coppe...

结果表明：铜粉表面镀层结构与银离子形核长大机制和银含量有关；镀银铜粉的热稳定与表面镀层结构有关；完全包覆结构的镀银铜粉具有较好的热稳定性，抗氧化温度可以达到800℃以上。

The results show that: the tensile strength, flexural strength and flexural modulus increase by about 10.4%, 62.1% and 122.3% respectively when the mass fraction of the aluminum powder increases from 0 to 50%, while elongation at break and impact strength decrease by about 65.0 and 74.4% respectively; the tensile strength, elongation at break and impact strength all increase with decreasing the particle sizes of the aluminum powders.b Nylon-12 coated metal powders for the indirect SLS process were prepared by the dissolution precipitation process. The coated powders have only 1.0 wt% nylon-12, and their SLS green parts have sufficient strength for features as small as 1.0 mm to be built and post-processed and high dimensional accuracy. The green parts were subjected to the post processing processes including binder decomposition and infiltration of epoxy resin, and then the metal/polymer composite parts with relatively high strength and accuracy were formed.At present, micron-scale inorganic fillers have been widely used to reinforce nylon SLS parts.

将该法制备的尼龙12覆膜金属粉末用于以下两个方面：a使用铝粉增强尼龙12的SLS成形件，通过溶剂沉淀法制备尼龙12覆膜铝复合粉末，研究了铝粉含量及粒径对SLS成形件性能的影响，结果表明：铝粉分散均匀，并与基体有良好的界面粘接；当铝粉含量从0增加到50wt％时，成形件的拉伸强度、弯曲强度、弯曲模量分别提高10.4％、62.1％和122.3％，冲击强度和断裂伸长率下降65.0％和74.4％，耐热性及尺寸精度也得到提高；断裂伸长率、冲击强度及拉伸强度均随着铝粉粒径的减小而增大。b使用溶剂沉淀法制备了间接法SLS用尼龙12覆膜金属粉末，该覆膜粉末中聚合物粘接剂的含量仅为1.0 wt％，其SLS初始形坯具有较高的精度以及足够满足后处理要求的强度，最小精细结构的尺寸达1.0 mm。

By analyzing and comparing the above test results, the special demands for welding current and time and pressure in the spot welding of zinc-coated steels were put forward. The relevant spot welding parameters for every kind of zinc-coated steels were proposed.

根据对上述试验结果的分析和比较，提出了锌镀钢板点焊时焊接电流、焊接时间和电极压力等参数的选用原则，并对几种镀锌钢板给出了相应的点焊规范范围。

Treatment can be 1%-2% sodium bicarbonate solution, pre-cleaner mouth in the breast-feeding or nystatin (10 million units / ml) coated surface of the skin 3-4 times a day; or coated with 1% crystal violet solution surface of the skin 2-3 times a day.

治疗可以是1％-2％碳酸氢钠溶液，预清洗口哺乳或制霉菌素（1000万单位/毫升）涂在皮肤表面，每天3-4次，或用1％结晶紫溶液涂在皮肤表面，每日2-3次。

The developing course of low-e coated glasses is reviewed, the energy-saving merit and the prospect of low-e coated glass equipment are introduced and the direction of improving the domestic available off-line coating equipment is described.

回顾了低辐射镀膜玻璃的发展历程，重点介绍了low－e镀膜玻璃的节能特性及发展前景，并指出了国内现有镀膜设备的改进方向。

A series of spot welding technology and joint tensile-shear tests for uncoated low carbon, electroplated and two kinds of hot dipped zinc-coated steels were made to improve the quality of spot welding joint for zinc-coated steels. The test results were analyzed with computer regressive method. The effects of welding current or time on nugget diameter or joint tensile-shear strength and critical curves in splash generation for spot welding were obtained.

摘 要：为提高镀锌钢板点焊接头的质量，对普通冷轧钢板、电镀锌钢板和两种镀锌层厚度不同的热镀锌钢板进行了一组点焊工艺及接点强度试验，并对试验结果进行了计算机回归分析，分别得出了这几种材料在不同的焊接电流、焊接时间下的点焊熔核直径或接头拉剪强度变化曲线以及点焊飞溅临界曲线。

In addition, the Y-bearing units are coated with zinc and yellow chromate for added protection against corrosion, while each housing bore is coated with lubricating paste and designed so that the effects of shaft or housing misalignment can easily be eliminated, regardless of temperature variations.

此外， Y -轴承单元是一层锌，铬黄色为补充的抗腐蚀性能，而每一个住房膛内涂有润滑油粘贴和设计的，因此影响的骨干或住房错位可以很容易地被淘汰，不论温度变化。

Fancy gold-plated dangling earrings with facetted White Opal crystals.

花式镀金悬垂耳环与facetted白欧泊水晶。

This essay chooses the study aim from biology teachers in middle school in Shi Jiazhuang which tells us that most of the middle school biology teachers in Shi Jiazhuang have the"burnout", lower successfulness, individualize.

本文选取石家庄市初中生物教师作为研究对象，运用问卷调查的方法对石家庄市初中生物教师职业倦怠的现状进行调查，调查结果发现，石家庄市初中生物教师这一群体普遍存在职业倦怠，情感枯竭程度偏高，成就感偏低，去个性化程度最为严重。