喷射沉积Al-Si-Fe-Cu-Mg合金中的相组成

对喷射沉积快速凝固Ａｌ－Ｓｉ－Ｆｅ－Ｃｕ－Ｍｇ合金的相组成进行了分析。结果表明：合金中含有α－Ａｌ、β－Ｓｉ、δ（ＦｅＳｉ２Ａｌ４）、Ａｌ８Ｓｉ６Ｍｇ３Ｆｅ和β（Ｆｅ２Ｓｉ２Ａｌ９）等相;初晶硅相呈颗粒状,共晶硅相和δ（ＦｅＳｉ２Ａｌ４）呈细小的片状,Ａｌ８Ｓｉ６Ｍｇ３Ｆｅ相呈细小的颗粒状;经Ｔ６工艺热处理后,新析出Ａｌ２Ｃｕ相,Ａｌ８Ｓｉ６Ｍｇ３Ｆｅ相数量增加,少量δ（ＦｅＳｉ２Ａｌ４）转化为β（Ｆｅ２Ｓｉ２Ａｌ９）。     

添加剂对Cr2O3—Al系SHS反应的影响

研究了添加ＣｒＯ３－Ａｌ、Ｆｅ２Ｏ３－Ａｌ＋ＭｇＯ及Ｔｉ－Ｃ的Ｃｒ２Ｏ３－Ａｌ系的燃烧特性。实验发现，添加ＣｒＯ３－Ａｌ、Ｆｅ２Ｏ３－Ａｌ＋ＭｇＯ时，自蔓燃反应易于引发；体系中混入Ｔｉ－Ｃ添加剂对反应引发不利，但在用纯Ｔｉ－Ｃ作引火剂情况下可以引发。随着ＣｒＯ３－Ａｌ添加量的增加，燃烧温度升高，但添加量大于２０％时，燃烧温度反而下降。燃烧温度随Ｆｅ２Ｏ３－Ａｌ＋ＭｇＯ添加量的增加而升高。Ｔｉ－Ｃ添加量的增大对燃烧温度影响不大。燃烧速度随以上添加剂量的增大而增大     

饱和氯化镁卤水中锂与金属络合阴离子共萃取效应的研究

研究了在饱和氯化镁盐湖卤水中，锂与各种络合阴离子的共萃取效应，结果表明，以ＦｅＣｌ３最佳。对锂与铁络合阴离子共萃取相关因素──总Ｃｌ－浓度、酸度、Ｆｅ／Ｌｉ进行了讨论，保持原始水相ＦｅＣｌ３不致水解的最低酸度和高Ｃｌ－浓度，ＦｅＣｌ３与Ｃｌ－形成铁络阴离子，与Ｌｉ＋以ＬｉＦｅＣｌ４络合物形式共萃取进入有机相。化学法分析平衡有机相组成表明，所有阳离子摩尔浓度的总值与Ｆｅ３＋摩尔浓度相等，而Ｃｌ－摩尔浓度与Ｆｅ３＋摩尔浓度比值为４，证明了以络酸ＨｆｅＣｌ４和络酸盐Ｍｅ（ＦｅＣ１４）ｎ（ｎ为金属阳离子价数）的共萃取机理。     

液膜法分离富集测定钢中痕量铅

用２，６－二酮吡啶－１８－王冠－６（２－６－ＤＫＰ－１８－Ｃｒｏｗｅ－６），ＳＰＡＮ８０，Ｓ１００Ｎ－Ｉ（中性油）和Ｃ２Ｈ２Ｃｌ４乳状液膜体系，研究了Ｐｂ６２＋的迁移行为。在适宜条件下，８ｍｉｎ内Ｐｂ＾２＋的迁移率达９９．５％以上，而而这种情况下，许多金属离子如Ｆｅ＆３＋，Ｎｉ＾２＋，Ｃｒ＾３＋，Ｌｉ＾＋，∑ＲＥ＾３＋，Ｋ＾＋，Ｎａ＾＋，Ｃａ＾２＋，Ｍｇ＾２＋，Ｂａ６２＋，Ｓｒ＾２＋，Ａｌ＾３＋，     

Synthesis of Phosphors(Ce_(0.67)Tb_(0.33))MgAl_(11)O_(19) and BaMgAl_(10)O_(17)∶Eu~(2 ) by Microwave Irradiation Technique and Their Luminescent Properties

Ｔｈｅｐｈｏｓｐｈｏｒｓ（Ｃｅ０．６７Ｔｂ０．３３）ＭｇＡｌ１１Ｏ１９（ＰＧ）ａｎｄＢａＭｇＡｌ１０Ｏ１７∶Ｅｕ２＋（ＰＢ）ａｒｅｗｉｄｅｌｙｕｓｅｄａｓｇｒｅｅｎａｎｄｂｌｕｅｌｕｍｉｎｅｓｃｅｎｔｍａｔｅｒｉａｌｓｉｎｒａｒｅｅａｒｔｈｓｔｒ...     

用乳状液膜分离富集钾（1）与测定微量钾

用二苯并－１８－冠－６为流动载体的乳状液膜体系，研究了钾（１）的迁移行为。实验结果表明，只有Ｋ＋能与其它金属离子得到满意的分离。如大量的Ｎａ＋，ＮＨ４＋，Ｎｉ２＋，Ｌｉ＋，Ｃａ２＋，Ｍｇ２＋，Ｆｅ３＋，Ｍｏ６＋，Ａｌ３＋，Ｃｕ２＋，Ｃｏ２＋，Ｃｄ２＋，Ｚｎ２＋等，均不被迁移透过这乳状液膜。确定了最佳液膜体系的组成：二苯并－１８－冠－６，表面活性剂ＬＭＳ－１，四氯乙烯，苯甲酸甲酯和内相（ｐＨ４～６水溶液）；分离富集钾（１）的最适宜实验条件。Ｒｏｉ＝１∶１（油内比），Ｒｅｗ＝２０∶６０（乳水比）。此法已用于富集和测定食盐、卤水和工业废水中的微量钾（１），其回收率为９９．３％以上，相对标准偏差为３．６％以下，结果十分满意。     

RECl3与NH4HCO3的沉淀反应及伴生杂质的共沉淀行为

本文通过对沉淀过程的ｐＨ值变化特征研究和沉淀物的组成分析，确定了ＮＨ４ＨＣＯ３与ＲＥＣｌ３的沉淀反应。研究了伴生金属离子Ａｌ３＋、Ｆｅ２＋、Ｍｎ２＋、Ｃａ２＋、Ｍｇ２＋随稀土的共沉淀行为，讨论了杂质离子对产品纯度的影响。     

液膜法分离富集,测定钼中痕量铅

用２，６－二酮吡啶－１８－王冠－６（２，６－ＤＫＰ－１８－Ｃｒｏｗｅ－６）、ＳＰＡＮ８０、Ｇｌｙｃｅｒｏｌ（丙三醇）、ＣＣｌ４（Ｃａｒ－ｂｏｎｔｅｔｒａ－Ｃｈｌｏｒｉｄｅ）和内相（０．１５ｍｏｌ／ＬＮａ４Ｐ２Ｏ７溶液）乳状液膜体系，研究了Ｐｂ２＋的迁移行为。实验结果表明，８ｍｉｎ内Ｐｂ２＋的迁移率达９９．４％以上，而在这种情况下，许多金属离子如Ｍｏ６＋、Ｍｏ５＋、Ｗ６＋、Ｆｅ３＋、Ｎｉ２＋、Ｃｒ３＋、Ｌｉ＋、∑ＲＥ３＋、Ｋ＋、Ｎａ＋、Ｃａ２＋、Ｍｇ２＋、Ｂａ２＋、Ｓｒ２＋、Ａｌ３＋、Ｚｎ２＋、Ｃｄ２＋和Ｃｏ２＋等，都不被迁移，只有Ｐｂ２＋能从这些离子中满意地分离出来。该法已成功地用于分离富集、测定金属钼、钼精矿中痕量铅，相对标准偏差在４．２％以下，结果十分满意。     

锰硅合金简易配料校核法

根据给定的工艺参数,导出了锰矿含锰量与原料中Ｆｅ、Ｐ、ＳｉＯ２、ＣａＯ＋ＭｇＯ、Ａｌ２Ｏ３含量的关系式,并列成直观的表格形式。实际应用中只需根据所用锰矿的含锰量在表中查出相对应的Ｆｅ、Ｐ、ＳｉＯ２、ＣａＯ＋ＭｇＯ、Ａｌ２Ｏ３含量,并与实际入炉原料中的这些成分值相比较,根据差值调整配料比。     

AD复合脱硫剂中铝的相分析

分析试样中加入过量ＦｅＣｌ３溶液，经搅拌使试样中金属铝与Ｆｅ＾３＋离子发生化－还原反应，生成Ａｌ＾３＋进入溶液中，三氧化二铝不参与反应仍留在沉淀物中。过滤后含Ａｌ＾３＋溶液经除氟，分离钙、镁、铁等离子后，用ＣｕＳＯ４滴定法测定ＭＡｌ量，再由总铝量减去ＭＡｌ，计算可得ＡＤ复合脱硫剂中Ａｌ２Ｏ３含量。     

China's Major Non-ferrous Metals Imports & Exports

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Zinc Production by Province in 2014

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80% of Chinese Firms Purchasing Overseas Mines Ended up in the Red

<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     

Copper Processing Profit Dropped Sharply,Copper Consumption Will Face Impact in the Second Half of the Year

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,     

Central Geological Prospecting Fund Newly Added 16.47 Million Tonnes of Bauxite in 2013

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     

Manufacturers of Copper Tube for Central Air Conditioner Use Face Mounting Pressure in the Final Quarter of the Year

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     

Xinjiang Ranks No.1 in Production of Primary Aluminum in China

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,     

Shenhuo Coal Industry and Electricity Power Completed800,000 t/a Aluminum Project in Xinjiang

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.     

Guangdong Metal Transaction Center has Become the Second Largest Precious Metal Transaction Platform Nationwide

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.     

Seven Rare Earth Projects Involving Close to 3 Billion Yuan Investment Landed In the HighTech Zone

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.