Compared with traditional silicon steel , fe - 6 . 5wt % si in theory is considered as an excellent property soft magnetism alloy . it has such excellent soft magnetism properties as higher permeability higher saturation magnetic induction near - zero magnetostriction and low core loss Fe - 6 . 5wt si硅钢是一种性能优异的软磁合金，与传统硅钢材料相比，它具有高磁导率、高饱和磁感应强度、低磁致伸缩和低铁损等更优异的性能。
Wollastonite is also used as : protective slag in casting ; sillicon - steel ; electrode coating ; lagging material ; ceramic moulds and bonding agent for abrasives a filling agent in paper making , the trace mineral in the production of white cement and special electric ceramics 硅灰石还是模铸硅钢的保护渣，电焊条的涂料，陶瓷铸模，生产研磨材料和靡轮黏合剂，造纸的充填剂，生产白水泥，制造特殊电气陶瓷等不可多得的矿物原料。
Cold - rolled silicon steel plant affiliated to zhejiang yaoyu special steel co . , ltd . mainly produce medium or small makings of non - oriented electric steel , including 50w470 50w600 50w800 . the size of finished products is 0 . 1 0 . 51050mm and the annual output is 200 to 300 thousand tons 浙江耀宇特钢有限公司冷轧硅钢厂，以生产中低牌号无取向电工钢为主，产品设计有50w470 50w600 50w800等，成品规格0 . 1 0 . 51050mm ，年产量2030万吨。
1 a set of 20 - rool mill with four vertical posts wv20seh55 - 300 1150 introduced from german sundwig . the mill may yearly produce 80 , 000 tons of various markings of cold - rolled stainless steel , silicon steel , and carbon steel sheets with 0 . 1 mm in thickness and 0 . 01 in tolerance 1德国引进森德威wv20seh55 - 3001150四立柱式廿辊轧机一台套，年产量8万吨，该设备可生产成品最薄厚度至0 . 1mm的各种牌号的冷轧不锈钢硅钢普碳钢板，公差可达到0 . 01mm 。
The company is a product agency of shanghai baoshan iron & steel co . , ltd . and ma steel co . , ltd . , selling cold coil , hot coil , galvanization coil and stainless steel products of big domestic steel factories such as shanghai baoshan iron & steel co . , ltd . and ma steel co . , ltd . . also , the company sells some foreign cold - rolled products with full types 我公司系上海宝钢股份有限公司和马钢股份有限公司的产品代理，主要经营宝钢、马钢等国内各大钢厂的冷轧、热轧、镀锌、不锈钢及硅钢等产品。
The new method of direct determination of micro amounts of elements in electrician silicon - steel chips is based on the high performance of pw 2400 x - ray fluorescence spectrometer system and its software . it can correct both the matrix effect and the influence of sample physical status . specimens of steel chips can be determined directly without any pretreatment . the method has high accuracy and precision , the operation is easy and the analysis is fast 报道了x射线荧光光谱法直接测定电工硅钢钢屑样品微量元素的新方法，校正了样品中元素间的基体效应影响和校正了钢屑样品的不同颗粒结构，不同几何形态及不同表面状态的影响，使钢屑样品可不经处理直接测定，操作简便。
Taking produce high - quality products and make higher inner management as its guidelines , the company has invested a massive amount of funds in recent years . presently , the project of steckel mill of cold - rolled silicon steel slab is under construction . it is expected to put into production by the end of 2006 , through which tianjie group will form a complete set of production line of cold - rolled electrical steel 近年来，公司以“产品质量要上档次内部管理要上层次”的指导精神投入了大量资金，目前在建项目有冷轧硅钢薄板坯炉卷轧机，预期2006年底正式投入生产，届时天洁集团将形成一套完整的冷轧电工钢生产流程线。
Now group company ' s three big pillar industry : the guarantee profession is grasping realization link bohai sea mayor the extended meeting 12th conference considers through the creation link bohai sea guarantee network bill , has interpolated the tianjin non - to be listed stock : ; the real estate industry is positively operating the tianjin conch shell bay center commerce business district development building items of basic construction , the construction surrounding seas union investment collection regimental head quarter headquarters building , the international commercial port building and the finance guarantee the building , is the collection first - class standard comprehensive commerce business center , the synthesis star class hotel , the office is a body multi - purpose , the high scale , the modernized large - scale commerce building , presently faces the domestic and foreign buying in partner , has set up the tianjin link bohai sea steel unit ' s production craft and the equipment design , the research and development work 现在集团公司的三大支柱产业：担保行业正在抓紧落实环渤海市长联席会第十二次会议审议通过的“组建环渤海地区担保网络”议案，以参入天津市非上市公司股权流通试点工作，进一步增资扩股；房地产业正在积极操作天津市响螺湾中心商务商业区开发楼宇建设项目，建设环海联合投资集团总部大厦、国际商务港大厦和金融担保大厦，是集一流水准的综合商务商业中心、综合星级酒店、写字楼为一体的多功能、高档次、现代化大型商务楼，现面向国内吸纳合作伙伴；组建了天津环渤海钢铁工程技术开发有限公司，实施取向硅钢机组的生产工艺及设备的设计、研发工作。
Main content described in this article is as follows : ( 1 ) the present status and trending of equipment fault diagnosis technology ; ( 2 ) the composition of on - line monitor and fault diagnosis system of d . c . motors , and data acquisition system in silicon rolling mill of wuhan iron & steel corporation ; relative knowledge of hardware and software configuration in systematic flowchart ; ( 3 ) what role the sensing technology plays in monitor and fault diagnosis and how to apply ; ( 4 ) through representing the development of wavelet analysis theory and knowledge , especially stressing on illustrating in feature of wavelet analysis theory and explanation of engineering , the wavelet technology , as coordinated analysis method of a signal , is gradually adopted in fault diagnosis system ; at last , it discussed the set up of expert system in the diagnosis system , and obtaining & improving relative knowledge of expert system 本论文主要内容有：首先，介绍了设备故障诊断技术的发展现状及趋势；第二，详细介绍了武钢硅钢厂直流电机在线监测与故障诊断系统、数据采集系统组成、系统工作流程等软、硬件方面的相关知识；第三，围绕本系统展开，介绍了传感器检测技术在监测与故障诊断系统中的地位及具体应用；第四、通过介绍小波分析理论的发展、小波分析理论知识，着重阐明小波分析理论的特点及工程解释，说明小波技术作为一种信号调和分析方法，正逐渐在故障诊断系统中得到应用；最后，本论文还讨论了诊断系统中专家知识系统的建立、专家知识的获取、完善专家知识系统等有关内容。
