首页 | 官方网站   微博 | 高级检索  
相似文献
 共查询到20条相似文献,搜索用时 62 毫秒
1.
一个奇迹 一个神话 在古老的豫西大地 在年轻的义煤矿区 创造了 诞生了 肆虐了三百三十四天的火龙疯狂了八千零一十六个小时的恶魔 在英雄的千秋人面前 在无畏的矿山铁汉面前 退缩了 投降了 我们打赢了 我们胜利了 充满着泪水的欢笑 洋溢着喜悦的自豪  相似文献   

2.
本文阐述了大冶铁矿重视教育,把发展教育摆在生产经营的战略地位,形成了具有矿山特色的教育体系,而且对各层次的教育进行了改革、探索,取得了有益的经验,既培养了各层次的人材,提高了职工队伍的素质,也促进了生产的发展,带来了明显的经济效益和社会效益。  相似文献   

3.
旋转地质导向系统在中国大陆水平井的首次应用   总被引:2,自引:0,他引:2  
介绍了旋转地质导向系统的原理及在塔河油田的首次应用,针对塔河油田水平井的特点,提出了相应的技术措施,充分发挥了旋转地质导向系统优越性,提高了机械钻速,缩短了钻井周期,减少了井下复杂情况,提高了工程质量。  相似文献   

4.
阐述了红透山铜矿对赋存形态复杂的矿体实施采准阶段的探采结合,取得了较好的效果,不但探明了矿体,增加了储量,还缩短了探矿、采准周期,提高了工程的效率,满足了生产需要.  相似文献   

5.
晓明矿选煤厂通过对跳汰分选设备及辅助系统的技术改造,完善了选煤工艺环节,灵活了生产系统,创出了名牌产品,提高了生产能力和产品质量,降低了选煤成本,增加了企业的经济效益,取得了显著的社会效益。  相似文献   

6.
陈炎科  韩辉 《煤矿机械》2005,(8):105-107
根据价值工程的原理方法,对滚压机进行了功能成本分析,找出了功能成本不匹配的零部件;并运用价值工程创意方法进行了方案创新设计,提出了新的改进方案。改进后降低了滚压机的成本,方便了调节,保持了剥肋调节与滚丝轮调整的协调一致性,实现了用户的必要功能,提高了产品的价值。  相似文献   

7.
机械产品研制开发系统过程质量评估技术研究   总被引:3,自引:1,他引:3  
基于运筹学和模糊数学的理论和方法,建立了机械产品研制开发系统,对系统的质量指标进行了描述,求出了质量指标的相对权重值,构造了系统的质量评估模型,求出了系统的质量水平评估值,给出了实例并进行了量化处理。  相似文献   

8.
采用变频传动与PLC技术相结合,设计了矸井瓦斯泵站恒压供气控制系统,优化了泵站的控制过程。控制系统实现了闭环控制,既保证了系统瓦斯压力稳定,降低了系统瓦斯压力的波动,提高了相关设备的寿命,又节约了电能,降低了能耗,更好地推动了节约型矿山、低碳开采、绿色矿山的建设。  相似文献   

9.
本文介绍了扩大入选量的途径。琴弦式脱水分级刮板机的设计使用,降低了精块的限下率,保证了产品的质量。新系统的投入使用,增大了产量,降低了能耗,提高了工效,取得了效益。  相似文献   

10.
首先介绍了河南能源化工集团鹤壁煤化工甲醇项目所使用的露点分析仪表,介绍了仪表元件,论述了传感器的工作原理;其次介绍了HMT360型露点仪的安装,分析了常见的安装中出现的问题,提出了针对性的预防措施;最后介绍了露点仪在正常运行中的日常维护相关知识,分析了运行中容易出现的问题,并且提出了一些有用的经验。  相似文献   

11.
<正>Rare earth luminescent material is one of the most important application sectors of rare earths.China enjoys the exceptional advantage to develop rare earth luminescent material for its abundant rare earth resources.After several decades'endeavor,China's rare earth luminescent material industry,headed by rare earth phosphor for lamp and LED and high efficient rare earth energy-saving light source,has been gradually developed into a scale industry.China has become a major production base of rare earth phosphor for lamps and rare earth  相似文献   

12.
正June 1~10,2014Rare earth market remained weak.Quoted price of rare earth products was similar to that in May.There was no sign of recovery in downstream market.The market of NdFeB magnetic materials and phosphor was depressed.Catalyst,polishing powder and ceramic industries remained inactive.Demand from downstream industry was soft.Consumers purchased on their needs.Suppliers had strong intention to sell.Prices of rare earth products  相似文献   

13.
<正>Chinese rare earth-related listed companies have published their 2013 annual reports.It can be understood from their reports that production and operation activities of Chinese rare earth-related companies were still heavily affected by macro economy and industrial policies.They basically followed the steps of national economy.In 2013,world economy recovered slowly but the economy  相似文献   

14.
正1.Status of rare earth polishing powder Rare earth polishing powder with high content of cerium oxide began to replace iron oxide for glass polishing and became one of the key materials in glass polishing process since 1940.Compared with traditional iron oxide,rare earth polishing powder has many advantages,such as fast polishing rate,high polishing quality and long service life.It can achieve good surface quality and improve operation conditions.For example,in lens polishing,the polishing work that cerium  相似文献   

15.
正Pyrometallurgy Laboratory of Baotou Research Institute of Rare Earths had independently developed a new preparation technology of rare earth alloy for NdFeB.The alloy can remarkably enhance the coercivity of NdFeB magnet but also evidently reduce the production cost of the magnet.The new master alloy was prepared in the kA pilot-scale electrolytic cell by the independent technology.The rare earth master alloy can be used as the raw material for NdFeB.Compared  相似文献   

16.
正November 21~30,2014Due to weak demand from downstream industries,transactions of rare earth in Chinese domestic market were inactive.It was difficult to sell any rare earth products except for dysprosium oxide and terbium oxide.Suppliers lost confidence in recent market.Demand for rare earth products was soft.Consumers continued to take a wait-and-see attitude.Rare earth export market remained slow.  相似文献   

17.
正Galaxy Magnet announced its financial results for the first half of 2014 on August 14.For the first six months ended on 30 June 2014,Galaxy Magnet achieved operation income of RMB 182.3 million,up8.40% over the same period of 2013,and the net profit attributable to the shareholders of the listed company of 34.02 million yuan,increasing 35.49% over the same period of last year.Stable performance increase was led by development of new customers and application market of magnets.  相似文献   

18.
<正>China has rich rare earth resources.Output of rare earth and steel in China ranks the top first in the world.However,there is still certain distance between the steel produced in China and developed countries from the point of varieties and quality.China still has to import some types of steel.Improving the quality should be emphasiZed in future development of steel industry in China.Rare earth can be used to upgrade traditional steel  相似文献   

19.
<正>Developing ecological lighting source The world is facing the big problem of energy shortage today and the contradiction between economy development and environmental protection is worsened.Therefore,people are more likely to choose an ecological light source that is more energy efficient and environmental friendly.The choice provides great opportunity for the development of rare earth optical material industry in China.The concept of green lighting positions rare earth luminescent material as a leading player in illumination market.The light source of both rare earth luminescent lamp and LED lamp is ecological and energy saving.This is why  相似文献   

20.
分析了近年来国内外稀散金属产业的生产、应用、资源与市场状况.铟锡氧化物靶材、砷化镓晶片、锗红外材料、铼高温合金和硒在电解锰及玻璃的应用等已成为稀散金属的主要应用领域.稀散金属的产量快速增长达到历史高位而导致了市场的失衡.以GaInP_2/GaAs/Ge,CIGS和CdTe为代表的非硅系太阳能电池是稀散金属的新兴应用领域,将给稀散金属带来日益增长的需求.  相似文献   

设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司    京ICP备09084417号-23

京公网安备 11010802026262号