Study on Production Process Formula for Asbestos-Cement Sheet

Corrugated asbestos cement sheet roofing

石棉水泥波形瓦屋面

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Vacuum Forming for Asbestos Cement Sheet Study on PCR-chip integrated

石棉水泥板的真空成型集成型PCR芯片的研究

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Vacuum Forming for Asbestos Cement Sheet

石棉水泥板的真空成型

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With asbestos cement mortar pipe being used as inner liner, concrete is cast to form hollow slab.

以石棉水泥砂浆离心管作为内模衬管，浇筑混凝土后构成现浇混凝土空心板。

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The graphite molded packing, the asbestos thread PTFE-greased braided packing and the carbon-fibre braided packing were tested and the coefficients of a cycle ring were experimentally determined.

以膨胀石墨模压成型填料、石棉线浸渍聚四氟乙烯编织填料和碳素纤维编织填料为试验样品，实验确定了单圈填料的侧压系数。

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The products consist of asbestos, rubber and packing, and are make by compression.

本产品是选用优质石棉、橡胶及填料，经过滚压制成的衬垫密封填料。

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Leakage in Asbestos Base Packing during Rod Motion

石棉基填料密封在杆运动时的泄漏

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For example, in order to prevent secondary pollution, even the use of sewage is not Valve asbestos packing and gasket sealing.

例如为了防止二次污染，即使是排污阀也不采用含石棉的密封填料和垫片。

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Oil asbestos packing: it forms the basic structure there are two types of torsional system, and the other is knitting.

油浸石棉盘根：它的基本结构形式有两种，一种是扭制，另一种是编结。

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This kind of cobalt ores is generally known as "asbolite".

这种类型的钴矿是通常所谓的钴土矿。

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Sea Girt, Asbury Park and Point Pleasant Beach are also planning to rebuild.

Sea Girt，阿斯伯里帕克和Point Pleasant Beach海滩也在计划重建工作。

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Biliary ascariasis was the most common cause of obstruction ( 55.8%), and the others were gall stones with or without ascarides ( 25.0%), benign diseases of biliary tract ( 5.8%), and in 7 cases no cause of obstruction could be found.

胆道梗阻因素，第一位是胆道蛔虫（55.8%），次为胆管结石或伴蛔虫（25.0%）。

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The interventional radiology of removal of ascarides and retained gallstones through T-tube tract

经T管窦道取出残余结石和蛔虫的手术放射学

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Conclusion Ascarides have characteristic features on CT images.

结论小肠蛔虫病具有较为特异的CT表现；

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Objective To improve the ability of recognizing ascarides on CT images.

目的探讨小肠蛔虫病的CT表现，以提高对其CT征象的识别。

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The infection rate of ascarids in pupils at test villages decreased by 12.71% and 33.61% before long and half a year after deworming and decreased by 41.16% and 55.09% in three, ten years after improving drinking water and lavatories.

小学生蛔虫感染率，试验村与对照村驱虫前和驱虫后半年相比较，改水改厕第3、10年分别低12.71%和33.61%、41.16%和55.09%。

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Conclusion The total infection rate of intestinal ascarids in primary and middle school students was decreasing year by year, infection control should still be strengthened, and priority should be put on primary and middle school students in rural areas.

结论中小学生蛔虫感染呈逐年下降趋势，中小学生蛔虫病防治工作的重点应为农村及小学生。

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Conclusions Improving drinking water and lavatories produces obvious, lasting, reliable effects on decreasing density of flies, diarrhoeal incidence rate in residents and infection rate of ascarids in pupils.

结论改水改厕对降低苍蝇密度、居民腹泻病发病率和小学生蛔虫感染率均具有明显、持久、可靠的效果。

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Objective To understand the current situation of ascarids infection in primary and middle school students in Hubei province from 1992 to 2003, and to find out the weak points for control.

目的掌握湖北省1992~2003年中小学生蛔虫感染现状，分析防治工作存在的问题和薄弱环节。

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Current Situation of Ascarids Infection in Primary and Middle School Students in Hubei Province

湖北省中小学生蛔虫感染现状分析

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