石棉

The European Union has outlawed both brown amphibole and white chrysotile asbestos and the World Health Organisation has classified all types as human carcinogens.

欧盟更是颁布法令禁止褐色闪石石棉以及白色蛇纹石石棉的使用。世界卫生组织将各种石棉均划为人类致癌物。

Objective To learn the dose-response relationship of asbestosis prevalence in the workers of small towns chrysotile processing plants.

目的探讨乡镇石棉加工人员接触石棉尘量与石棉肺发病的剂量-反应关系。

Asbestos disease, mesothelioma cancers, lung cancers and asbestosis are the diseases caused because of asbestos exposure.

石棉病，间皮瘤癌症，肺癌，石棉所引起的疾病，由于石棉暴露。

WHO thinks that removing effective asbestus relevance disease approach is stop using asbestus of all kinds , may adopt a little fibre material and face to face healthy right away, Nothing danger or danger is less come to replace asbestus other products.

世界卫生组织认为，消除石棉相关疾病最有效的途径就是停止使用各类石棉，可采用一些纤维材料及对健康无危险性或危险性较小的其他制品来替代石棉。

Our company's major products include non-asbestos rubber board , cork rubber board etc. All the products are now being widely used in various economic fields as national defense, electric power, machinery petrol, chemical industry, metallurgy, ship-building, transport and so on. The products have won the nation's patent. All the texted index of the capability have achieved or excessed the asbestos criterion by XianYang nonmetal academe and ChangChun auto academe. The products are reliable to replace the asbestos ones, and they have been used by many companies. The products are all of good quality. And the corporation can provide high-tech sealed materials to the machinery companies.

本公司产品主要有环保型耐油无石棉橡胶板，非耐油中压板和软木橡胶板等，产品应用广泛，适用于国防，电力，机械，石油，化工，冶金，造船和交通运输等国民经济各个领域，该产品已获得国家专利，产品的各项性能指标经咸阳非金属研究院，长春汽车研究测试均达到或超过石棉标准，是代替石棉制品的可靠产品，且已被许多厂家使用，公司通过了 ISO9001 质量管理认证，质量稳定可靠，可为机械制造类生产企业提供高技术含量的密封材料。

The three most important varieties are chrysotile, crocidolite and amosite

三种最主要的品种是温石棉，青石棉和铁石棉。

The strengths decrease in order crocidolite chrysotile, amosite

强度按青石棉，温石棉，铁石棉顺序下降。

Wuhua Tianbao, mineral-rich, the initial proven gold, copper, zinc, manganese, crystal stone, asbestos, mica, Glauber's salt, such as 41 kinds of mineral deposits, particularly in asbestos reserves, amounting to more than 45 million tons, annual production is 150,000 tons in about the country's total production of asbestos 1 / 3 of the above.

物华天宝，矿藏丰富，初步探明有金、铜、锌、锰、水晶石、石棉、云母、芒硝等41种矿藏，尤以石棉储量最大，达4500万吨以上，现每年开采在15万吨左右，占全国石棉产量的1/3以上。

From the beginning of 1980s, Non-asbestos Compressed Fiber Sheet wasdeveloped by some advanced countries as substitute of Compressed AsbestosFiber Sheet.It has been widely used as seal material in many different fieldsbecause of its good processing method and no harm to environment andpeople. Such material has diversity and devisable ingredient and performancesince non-asbestos fiber has wide selectivity and combination, which make peopleto pay close attention and take researches on it.

压缩非石棉纤维橡胶板(Non-asbestos Compressed Fiber Sheet，CFS)是八十年代初以美国为首的工业发达国家为替代传统压缩石棉纤维橡胶板(Compressed Asbestos Fiber，CAF)而开发研制的一类新型非石棉纤维增强密封材料，它不仅具有较好的加工工艺性，而且还具有对环境和人体的无害性，因此被广泛用于各行业密封的需要。

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。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。