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earth metals 堿(土)金屬。

earth oil

More recently , the perovskite manganite compounds , la1 - xsrxmno3 have been used as the cathode of the solid oxide fuel cell ( sofc ) because of their electro - ion conductivity properties . in manganite perovskites , substitution of divalent ions ( alkaline earth metals viz 近幾年來, la _ ( 1 - x ) sr _ xmno _ 3這類鈣鈦礦型結構的氧化物材料因為其具有混合電子-離子導電特性而被廣泛的應用于固體氧化物燃料電池陰極材料。

Chemical analysis methods for non - rare earth impurities of rare earth metals and their oxides - determination of molybdenum and tungsten content - inductively coupled plasma atomic emission spectrographic method and inductively coupled plasma mass spectrum method 稀土金屬及其氧化物中非稀土雜質化學分析方法鉬鎢量的測定電感耦合等離子體發射光譜法和電感耦合等離子體質譜法

In addition , a series of analyses about theoretical principles of hmi removal by wbaer from dk with alkali metals , alkaline - earth metals and anions at high concentration and regeneration of wbaer , have been analyzed 同時本文還對弱堿性陰離子交換樹脂從高背景的常規陽離子和陰離子中有選擇性地去除飲用水中微量重金屬離子及其再生的機理進行了一定的探討。

Chemical analysis methods for non - rare earth impurities of rare earth metals and their oxides - determination of thorium content - arsenazo iii spectrophotometric method and inductively coupled plasma mass spectrum method 稀土金屬及其氧化物中非稀土雜質化學分析方法釷量的測定偶氮胂iii分光光度法和電感耦合等離子體質譜法

Main products are w crucible , w electrode , w tube , w target , applying to rare earth metal extracting quartz glass . x - rary tuck . we can and shape according to users request 主要產品有鎢坩堝、鎢電極、鎢筒、鎢靶、適用于稀土冶煉、石英玻璃行業、 x光管等,也可根據客戶要求,制作不同規格,形狀的鎢制品。

Chemical analysis methods for non - rare earth impurities of rare earth metals and their oxides determination of oxygen and nitrogen content impulse - infrared and impulse - thermal conductance absorption method 稀土金屬及其氧化物中非稀土雜質化學分析方法氧氮量的測定脈沖-紅外吸收法脈沖-熱導法

Chemical analysis methods for non - rare earth impurities of rare earth metals and their oxides - determination of iron content - kalium thiocyanate , 1 , 10 - phenanthroline spectrophotometric method 稀土金屬及其氧化物中非稀土雜質化學分析方法鐵量的測定硫氰酸鉀1 , 10 -二氮雜菲分光光度法

Chemical analysis methods for non - rare earth impurities of rare earth metals and their oxides - determination of magnesium content - flame atomic absorption spectrometric method 稀土金屬及其氧化物中非稀土雜質化學分析方法鎂量的測定火焰原子吸收光譜法

Chemical analysis methods for non - rare earth impurities of rare earth metals and their oxides - determination of sodium content - flame atomic absorption spectrometric method 稀土金屬及其氧化物中非稀土雜質化學分析方法鈉量的測定火焰原子吸收光譜法

Chemical analysis methods for non - rare earth impurities of rare earth metals and their oxides - determination of phosphorus content by molybdenum blue spectrophotometric method 稀土金屬及其氧化物中非稀土雜質化學分析方法磷量的測定鉬藍分光光度法

Chemical analysis methods for non - re impurity of rare earth metals and their oxides - determination of carbon and sulfur contents - high frequency - infrared absorption method 稀土金屬及其氧化物中非稀土雜質化學分析方法高頻-紅外吸收法測定碳硫量

Chemical analysis methods for non - rare earth impurities of rare earth metals and their oxides - determination of silicon content - molybdenum blue spectrophotometric method 稀土金屬及其氧化物中非稀土雜質化學分析方法硅量的測定鉬藍分光光度法

Projects on rare earth thermometallurgy , including rare earth metal electrolysis , reduction and the production of rare earth silicon , iron and magnesium alloy , etc 稀土火法冶金項目,包括金屬電解、還原和稀土硅鐵及鎂合金的生產等方面;

Neodymium alloy and pr - nd - dy alloy etc . , the degree of purity of which are 99 - 99 . 9 % , primarily development and manufacturing of high pure rare earth metals and alloy products 金屬釹金屬鐠金屬鑭金屬鏑金屬釓鏑鐵合金鐠釹合金鐠釹鏑合金

2 projects on rare earth thermometallurgy , including rare earth metal electrolysis , reduction and the production of rare earth silicon , iron and magnesium alloy , etc 稀土火法冶金項目,包括金屬電解、還原和稀土硅鐵及鎂合金的生產等方面;

Chemical analysis methods for non - re impurity of rare earth metals and their oxides determination of ignition loss content of rare earth oxides - gravimetric method 稀土金屬及其氧化物中非稀土雜質化學分析方法重量法測定稀土氧化物中灼減量

Abstract : in rock pyrolysis when the content of base metals and base earth metals is relatively high ionization interference will frequently occur 文摘:在巖石熱解分析中當巖樣堿金屬和堿土金屬離子含量較高時,經常發生離子化干擾的影響。

Chemical analysis methods for non - rare earth impurities of rare earth metals and their oxides - determination of chlorine content - silver nitrate turbidimetric method 稀土金屬及其氧化物中非稀土雜質化學分析方法氯量的測定硝酸銀比濁法

Chemical analysis methods for non - re impurity of rare earth metals and their oxides - determination of water content of rare earth oxides - gravimetric method 稀土金屬及其氧化物中非稀土雜質化學分析方法重量法測定稀土氧化物中水分量