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1.
钢背青铜玻璃复合板,是以钢背为强化基体,以青铜玻璃复合材料的工作层,经烧结,轧制,机加等工艺制成的复合板和滑板,轴瓦等,其摩擦系数低,磨损率低,可在有无润滑,高温,粉尘,污水等各种环境下工作,也适合在低载荷,高转速,重载荷,低转速下工作,通过几年的实践证明,具有明显的经济效益,是一种科技含量高,有着广泛的实用价值的新材料。 相似文献
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本论述了国内浮选机的应用情况,详细介绍了XJ,BF,BS—K,CLF,GF,CHF—X,HCC,JJF,KYF,LCH—X,SF,XCF,BSF,xHF,XHB系列浮选机的结构、特点,在此基础上提出今后浮选机研究与发展方向。 相似文献
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计量器具在钢铁研究所是组织科研、检验、大生产过程的最基本工具,承担着所有工序参数准确,可靠的传递,使用计算机可对计量器具进行科学的,严密的,有效的组织,使用,检定,统一管理,该文阐述的管理方法,构思新颖,程序严密,操作灵活,易于移位,具有推广使用价值。 相似文献
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ZH150重油钢包烘烤装置具有点火方便,雾化好,燃烧稳定,燃烧效率高,火焰刚性好,调节性能好等优点,适合于钢包的烘烤,也可应用在基他工业炉窑中,该装置用蒸汽或压缩空气作为雾化介质,能燃用柴油,原油,重油,渣油等液体燃料,介绍了该装置的基本结构,工作原理,工作特点及设计对策,以及在生产中的应用情况。 相似文献
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苦练内功抓管理强化营销增效益鲁国亭今年以来,我们按照党中央“抓住机遇,深化改革,扩大开放,促进发展,保持稳定”的工作总方针,积极探索建立现代企业制度,转变营销机制,拓宽销售渠道,巩固扩大市场,优化品种结构,产供销运协调发展,生产水平和经济效益持续稳定... 相似文献
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本对七例经临床确诊,并为CT和MRT所证实之截瘫患采用脉冲电刺激,佐以传统康复治疗,包括针灸,按摩等方法,以及功能训练,包括站立训练,ADL指导,同时辅以心理安抚治疗,并采FIM评定量表,分别在治疗前,治疗中期,治疗结束时予以评定,根据治疗前,中、后FIM的评定情况,以确定疗效。 相似文献
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我国是水泥生产消费大国,水泥工业已成为国家重要的经济支柱,水泥总量过剩,但结构不合理,水泥工业结构调整的目的是实现“由大变强,靠新出强”的战略手段,控制总量,淘汰落后,发展新型干法,甘肃水泥工业相对落后,立窑水泥占70%以上,但近年来新型干法发展迅速,宏达公司特定的地理,经济位置和小规模经营,制约了企业发展,只有立足本地,依托酒钢这个原料和销售市场,扩大生产规模,调整产品结构,大量利用工业废渣,降低成本,扩大水泥市场份额,实现跨越式发展,企业才有发展前途。 相似文献
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试论我矿贫化损失的影响因素及其控制对策 总被引:1,自引:0,他引:1
分析勐糯铅锌矿在设计,采准,切割,回采,出矿等阶段贫化损失产生的因素,提出相应的控制对策,希望通过降低贫化,损失率,从而降低采选成本,提高回采率,延长矿山服务年限,增加矿山经济效益。 相似文献
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ICP—AES法测定含铀岩矿中常量和痕量元素 总被引:2,自引:0,他引:2
本文采用偏硼酸鲤熔矿,使用975型ICP直读光谱议,样品溶液不经去溶,在同一份溶液中可同时测定含铀岩矿中Si,Al,Ca,Mg,Fe,Mn,P,Ba,Be,Xr,TI,Zn,Ni,La和Y等十五个元素,获得了较好的准确度和精密度。 相似文献
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稀土元素在铁基溶液中的热力学 总被引:9,自引:0,他引:9
本文用多种高温平衡实验方法,研究得到1300-1600℃内铈,钇,镧,钕,钐稀土单一元素在铁基溶液中分别与硫,氧,硫+氧,碳,氮,锑,锡,铅,磷,铜,钛,铌,钒元素共30个三系和四元系的相平衡及热力学性质与温度的关系,并依据Fe-RE相图计算了这5个稀土元素与铁的二元溶液中的热力学性质。 相似文献
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<正>Minmetals Resources acquired the world’s largest copper mine under construction for USD5.85 billion.One after another,listed companies Jien Nickle,China Molybdenum and Chihong Zinc and Germanium raised money to get involved in overseas mining projects…SOEs and private enterprises are engaged in a frenzy of overseas mine purchasing.A reporter with Economic 相似文献
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正Judging from China’s copper consumption field,the biggest consumption unit is electric power,which accounts for 47%of total consumption;it is followed by light industry sector,including household electrical appliance,machinery,durable goods and hardware etc,which accounts for 22%of total consumption;followed by transportation field, 相似文献
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《China Nonferrous Metals Monthly》2014,(10)
正In 2013,the Central Geological Prospecting Fund(CGPF)Project newly discovered 15 ore fields,including 3 large above ore fields,and 5medium sized ore fields.The reporter learned from the recently published"Annual Report of Central Geological Prospecting Fund Project(2013)"that,from 2006 to 2013 the CGPF 相似文献
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《China Nonferrous Metals Monthly》2014,(10)
正This year,the investment growth rate of real estate industry continued to slow down,sold area of commercial housing also dropped significantly,which brought huge pressure to the domestic air conditioning manufactures.In the first half of the year,by relying on high growth in national financial expenditure,along with investment in public infrastructure 相似文献
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《China Nonferrous Metals Monthly》2014,(10)
正Kang Yi,Honorary Chairman of China Nonferrous Metals Industry Association,said recently at the Forum on Development of the Non-ferrous Metals Industry in Central and Western China held in Zhengzhou that,as more and more electrolytic aluminum factories in Xinjiang came into operation,the electrolytic aluminum output of Xinjiang had reached2,275,000 tons in the first 7 months this year, 相似文献
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《China Nonferrous Metals Monthly》2014,(12)
正"Xinjiang project has been completed according to schedule,but total completion and total start of production are two different concepts,after completion it still needs a gradual process of reaching production target."On the morning of November 3,Shenhuo Coal Industry and Electricity Power told investors the above statement on the investor interaction platform. 相似文献
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正The reporter learned from Guangdong Province Precious Metal Transaction Center that in 2013the Center maintained healthy development momentum,and had become the second largest precious metal transaction platform in China in terms of market size;currently Guangdong is quickening steps of financial innovation for the Center,aiming to build a transaction center with international core competitiveness. 相似文献
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正On May 22,Baotou Rare Earth Industry Cooperation Consultation MeetingProject Agreement-signing Ceremony was held in Ningbo,nearly 40 enterprises from Ningbo,Guangdong,Hunan,and Shanxi participated in project consultation.After multi-lateral communication,agreements were signed for a total of 7 rare earth projects successfully. 相似文献