查询词典 asbestos

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。

Interestingly enough, the hazards of asbestos were recorded as early as Roman times. Both Pliny the Elder and the first century geographer Strabo noted that workers exposed to asbestos had many health problems. Pliny the Elder recommended that quarry slaves from asbestos mines not be purchased because "they die young."

古希腊历史学家、地理学家斯特拉博和古罗马博物学老普利尼已经注意到，那些开采石棉矿和编织石棉布的奴隶的身体健康有各种问题，特别是他们容易得肺病。

The main product has the high-pressured asbestos board, to press the asbestos board, the low pressure asbestos board, the acid-proof slab, the oil resistant board, to bear the alkali board and so on.

主要产品有高压石棉板、中压石棉板、低压石棉板、耐酸板、耐油板、耐碱板等。

F104/4FD104 Asbestos rope lagging/asbes-tos rope sagging dust free Asbestos rope lagging,with open mesh over braided from asbestos yarn,it is suetable for use on heating pipe-lines with many flexures and subject to con-stant vibration

F104/FD104 石棉松绳/无尘石棉松绳：以石棉绒为芯，外用石棉线编织网状外皮的圆形绳适用于各种有振动或弯曲的热管道中。包装：要，每箱20kgs

The results also express the manufactured non-asbestos paper could substitute conventional asbestos paper. In the meanwhile, non-asbestos metal spiral gaskets are manufactured.

同时与石棉抄取纸做了对比，分析结果表明，生产研制的产品，性能基本上都达到了石棉抄取纸的要求，因此可以替代石棉纸。

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。

Also used for broken fiber structure, flexibility and toughness stronger broken wood, paper or broken asbestos cement waste recycling to asbestos fibers, and so on.

还用于破碎纤维结构、弹性和韧性较强的碎木头、纸张或破碎石棉水泥的废料以回收石棉纤维等等。

The consequence of the fifth wave is still yet to come (workers from asbestos removal industry and consequence of uncontrolled-unsafe removal of asbestos cement products).

第五波的后果还未显现出来（从事石棉搬运行业的工人们和由于无控制—不安全的石棉水泥产品的搬运造成的后果）。

Huifeng, funda licensing of asbestos-cement tile 1800 720 6mm, based on asbestos and cement as the main raw materials made of light materials.

惠丰、丰达牌石棉水泥瓦1800×720×6mm，是以石棉和水泥为主要原材料制成的轻型建筑材料。

At present, China's traditional concrete products, such as concrete and reinforced concrete pipes, self-stress pipes, prestressed pipe, reinforced concrete pole, and prestressed concrete poles, prestressed concrete sleeper, asbestos cement, and in the small Bova Bova, asbestos cement tubes, etc., these products production capacity and actual production, most of them can meet the needs of the market, there are many species more than the actual market requirements.

目前，我国传统的水泥制品，如混凝土和钢筋混凝土排水管、自应力管、预应力管、钢筋混凝土电杆和预应力混凝土电杆、预应力混凝土轨枕、石棉水泥小波瓦和中波瓦、石棉水泥管等，这些产品的生产能力和实际产量，大都能满足市场需要，有许多品种已超过市场的实际需要量。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。