THE TECHNIQUE OF MODIFYING CALCIUM BENTONITE INTOSODIUM BENTONITE

ＴＨＥＴＥＣＨＮＩＱＵＥＯＦＭＯＤＩＦＹＩＮＧＣＡＬＣＩＵＭＢＥＮＴＯＮＩＴＥＩＮＴＯＳＯＤＩＵＭＢＥＮＴＯＮＩＴＥＴａｎｇＳｏｎｇｒａｎＩｎｓｔｉｔｕｔｅｏｆＥｘｐｌｏｒａｔｉｏｎＥｎｇｉｎｅｅｒｉｎｇ，Ｂｅｉｊｉｎｇｌ０２４０５，ＣｈｉｎａＴＨＥ...     

ON THE DRIVING BEHAVIOR，VARIABLE－DIAMETEREFFECT AND BEAKING CAPACITY OF DRIVENCAST－IN－SITU PILE WITHFLAT

ＯＮＴＨＥＤＲＩＶＩＮＧＢＥＨＡＶＩＯＲ，ＶＡＲＩＡＢＬＥ－ＤＩＡＭＥＴＥＲＥＦＦＥＣＴＡＮＤＢＥＡＫＩＮＧＣＡＰＡＣＩＴＹＯＦＤＫＩＶＥＮＣＡＳＴ－ＩＮ－ＳＩＴＵＰＩＬＥＷＩＴＨＦＬＡＴＯＶＥＲＳＩＺＥＴＩＰＳｈｉＰｅｉｄｏｎｇ，ＦｕＺｈｅｎｑｉｕ...     

Quality evaluation and control of impregnated dia-mond bit

ＱＵＡＬＩＴＹＥＶＡＬＵＡＴＩＯＮＡＮＤＣＯＮＴＲＯＬＯＦＩＭＰＲＥＧＮＡＴＥＤＤＩＡＭＯＮＤＢＩＴＴｕＨｏｕｚｅＣｈｉｎａＵｎｉｖｅｒｓｉｔｙｏｆＧｅｏｓｃｉｅｎｃｅｓ，Ｂｅｉｊｉｎｇ，１０００８３，ＣｈｉｎａＱＵＡＬＩＴＹＥＶＡＬＵＡＴＩＯＮＡＮ...     

APPLICATION AND MECHANISM OF COAL MINE PIT SHAFT BREAKING IN XUHUAI AREA

ＡＰＰＬＩＣＡＴＩＯＮＡＮＤＭＥＣＨＡＮＩＳＭＯＦＣＯＡＬＭＩＮＥＰＩＴＳＨＡＦＴＢＲＥＡＫＩＮＧＩＮＸＵＨＵＡＩＡＲＥＡＺｈａｎｇＭｉｎｇｌｏｎｇＲｅｎＸｉａｎｇｊｕｎ（ＨｅｆｅｉＲｅｓｅａｒｃｈＩｎｓｔｉｔｕｔｅ，ＣｅｎｔｒａｌＣｏａｌＭｉｎｉｎ...     

CLФ500 vubrating and pulsating high dradient mag-netic separator and its appl

ＣＬΦ５００ＶＩＢＲＡＴＩＮＧＡＮＤＰＵＬＳＡＴＩＮＧＨＩＧＨＧＫＡＤＩＥＮＴＭＡＧＮＥＴＩＣＳＥＰＡＲＡＴＯＲＡＮＤＩＴＳＡＰＰＬＩＣＡＴＯＰＮＳＦｅｎｇＤｉｎｇｗｕ，ＰｅｎｇＳｈｉｙｉｎｇ，ＳｕｎＺｈｏｎｇｙｕａｎ，ＣｈｅｎＪｉｎＤｅｐｔ．ｏｆＭ...     

ANALYSIS AND DESIGN OF PIT EXCAVATION

ＡＮＡＬＹＳＩＳ ＡＮＤ ＤＥＳＩＧＮ ＯＦ ＰＩＴ ＥＸＣＡＶＡＴ１ＯＮ ＨｏｕＸｕｅｙｕａｎ，Ｌｉｕ Ｑｉａｎｘｉ ＴｏｎｇｊｉＵｎｉｖｅｒｓｉｔｙ，Ｓｈａｎｇｈａｉ２０００９２，ＣｈｉｎａＡＮＡＬＹＳＩＳＡＮＤＤＥＳＩＧＮＯＦＰＩＴＥＸＣＡＶＡＴ１ＯＮ...     

PRESENT AND FUTURE OF SURPLUS LIFE APPRAISE－MENT METHOD FOR UNDERGROUND STRUCTURE

ＰＲＥＳＥＮＴ　ＡＮＤ　ＦＵＴＵＲＥ　ＯＦ　ＳＵＲＰＬＵＳ　ＬＩＦＥ　ＡＰＰＲＡＩＳＥ－ＭＥＮＴ　ＭＥＴＨＯＤ　ＦＯＲ　ＵＮＤＥＲＧＲＯＵＮＤ　ＳＴＲＵＣＴＵＲＥＧｕａｎＢａｏｓｈｕ，ＧａｏＢｏＳｏｕｔｈｗｅｓｔＪｉａｏｔｏｎｇＵｎｉｖｅｒｓｉｔｙ，...     

矿业会议信息

矿业会议信息ＦｒｏｍＩｎｔｅｒｎｅｔＭＡＹ，１９９６１～５：ＳＡＭＯＴＥＲ９６：ＴＲＩＥＮＮＩＡＬＣＯＮＳＴＲＵＣＴＩＯＮＭＡＣＨＩＮＥＲＹＥＸＨＩＢＩＴＩＯＮＶｅｒｏｎａ，ＩｔａｌｙＣｏｎｔａｃｔ：ＦｉｅｒａＶｅｒｏｎａＡｄｄｒｅｓ：Ｃ．Ｐ．５２...     

CT8型和CT10型筛侧空气室跳汰机

简要介绍了ＣＴＳ型和ＣＴ１０型筛侧空气室跳汰机的技术特征、机体、风阀，和排料装置的结构和工作原理。该机已于１９９５年初用于印度尼西亚的ＫＩＴＡＤＩＮ和ＦＢＳ公司选煤厂。     

内齿轮鼓形滚刀优化设计

提出了一种加工内齿轮鼓形滚刀的优化设计方法。应用相对运动轨迹法，用正交设计法寻优，用詹重禧法求解带参数非线性方程组，用ＴＵＲＢＯ ＢＡＳＩＣ编制了相应的计算程序。     

China rare earth market review

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.     

Current situation and future trend of China rare earth luminescent materialindustry(continued)

<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     

Galaxy Magnets achieved the net profit of 34.02 million yuan in the first six months of 2014

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.     

Rare Earth Application in Steel in China

<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     

稀散金属产业的观察与思考

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.     

China rare earth market review

正November 1~10,2014Chinese rare earth market was still inactive.Demand for rare earth products was weak.Consumers took a wait-and-see attitude for lower price.As it was an off season for rare earth products,it was expected that prices of rare earth could continue turbulence at the bottom in short terms.Due to a sharp drop,demand for rare earth from downstream recovered.Affected by new energy vehicles,wind powder and energy-efficient appliances,production of rare earth permanent     

China rare earth market review

正August 1~10,2014 There was some good news in rare earth industry recently.Restructuring plans of rare earth groups led by Baotou IronSteel Group and Xiamen Tungsten Group respectively have been approved by MIIT.And rare earth storage policy,which had been expected for a very long time,has been launched officially.Pushed by the good news,rare earth price started to rebound since August 5.Price of didymium oxide and dysprosium oxide rose about 1% to 2%,averagely.About 10% of     

China rare earth market review

正July 1~10,2014Due to weak demand from downstream industry and slow transactions,rare earth market remained weak and price of rare earth products continued to decline.There was no sign of recovery in downstream market.The market of NdFeB magnetic materials and phosphor was depressed.Catalyst,     

New energy vehicle:an opportunity for rare earth magnets

<正>Extracted from Securities Guide 1.Popularity of new energy vehicles—an irresistible market trend1.1 Progress of new energy vehicles Chinese Premier Li Keqiang said recently on a visit to Xi'an BYD Autos that new energy vehicles,especially new energy bus,can lessen environment and noise pollution.He encouraged the use of new     

Brief news

正Corun invested another 50 million yuan in power battery for HEV Hunan Corun announced on 27 June that they had signed the cooperation agreement to jointly built Corun(Shaoxing)Autos Power Battery System Co.,Ltd.in Shaoxing Binhai New City.According to the announcement,total registered