alumina powder
氧化鋁粉
alumina ceramics
氧化鋁陶瓷
high purity alumina
高純氧化鋁
alumina production
氧化鋁生產
alumina refinery
氧化鋁精煉廠
fused alumina
[化]熔融氧化鋁
activated alumina
活性氧化鋁
alumina fiber
氧化鋁纖維
alumina cement
n. 高鋁水泥；快乾水泥；礬土水泥
calcined alumina
煅燒氧化鋁
high alumina cement
高鋁水泥
alumina brick
礬土磚；高鋁磚
Fly ash is a very good resource for preparing alumina and alugel,because the mass fraction of alumina in it can be up to 15%~40%.
粉煤灰中氧化鋁質量分數可達15%~40%,是製備氧化鋁和氫氧化鋁的很好資源。
By access to information,determination methods of alumina are mainly including chrome azurol S method and aluminon method.
經查閱資料，測定鋁的主要方法有鉻天青S法和鋁試劑法。
Modified calcium aluminate as a purifying agent, with two functions both of coagulability and desaltification, can be produced from industrial waste slag from alumina plant.
利用氧化鋁廠工業廢渣生產的改性鋁酸鈣淨水劑兼有混凝和脫鹽兩種功能。
include capacitance mullite, capacitance zircon mullite, capacitance magnesia-alumina spinel, capacitance zircon corundum,diamantane, and corundum-mullite products.
體系。產品有電熔莫來石、電熔鋯莫來石、電熔鎂鋁尖晶石、電熔鋯剛玉、白剛玉、剛玉-莫來石製品等。
The art preparation of alumina membrane with sol-gel has been studied, in which acids have been used as peptizers.Concentration and peptization temperature of acids have been determined.
研究了溶膠-凝膠法制備氧化鋁無機膜的工藝過程，確定了作爲膠溶劑的酸及其用量以及膠溶溫度；
To sum up the effect of chlorion corrosion on the process equipments and index in Bayer process alumina production,and analyse the main reasons of equipments unefficient caused by chlorion corrosion.
綜述拜耳法生產氧化鋁過程中氯離子對工藝指標及生產設備腐蝕的影響，分析了有氯離子存在時造成設備腐蝕失效的主要原因。
R esults show that the modified cement with good durability, small expansion and low alkality can be made by use of gypsum and zeolite modifying alumina cement.
結果表明：以石膏和沸石對高鋁水泥改性，可配製出耐久性良好、具有微膨脹性的低鹼度改性水泥。
Yixing tuofeng ceramic Co., Ltd. producing ceramic products of alumina specialized company, all the male genital of Yixing admires the tea plantation to located in pottery in the bank of Tai Hu.
宜興市拓峰陶瓷有限公司是生產氧化鋁陶瓷產品的專業公司，座落在太湖之濱的陶都宜興市陽羨茶場。
The results are showed as follows.Lewis(Louis) acid sites exist on the surface of α-Alumina support and silver catalyst.Pyridine, the basic absorbate, can be adsorbed on its Lewis (Louis)acid sites.
研究表明： 在載體α-氧化鋁和銀催化劑表面都存在L酸中心，鹼性吸附質吡啶能吸附於其L酸位， 載體α-氧化鋁負載銀之後，其酸性中心濃度有所降低，在銀催化劑內加入一定量的助催化劑銫後，其酸性中心濃度又有了明顯下降。
alumina powder
氧化鋁粉
alumina ceramics
氧化鋁陶瓷
high purity alumina
高純氧化鋁
alumina production
氧化鋁生產
alumina refinery
氧化鋁精煉廠
fused alumina
[化]熔融氧化鋁
activated alumina
活性氧化鋁
alumina fiber
氧化鋁纖維
alumina cement
n. 高鋁水泥；快乾水泥；礬土水泥
calcined alumina
煅燒氧化鋁
high alumina cement
高鋁水泥
alumina brick
礬土磚；高鋁磚
Fly ash is a very good resource for preparing alumina and alugel,because the mass fraction of alumina in it can be up to 15%~40%.
粉煤灰中氧化鋁質量分數可達15%~40%,是製備氧化鋁和氫氧化鋁的很好資源。
By access to information,determination methods of alumina are mainly including chrome azurol S method and aluminon method.
經查閱資料，測定鋁的主要方法有鉻天青S法和鋁試劑法。
Modified calcium aluminate as a purifying agent, with two functions both of coagulability and desaltification, can be produced from industrial waste slag from alumina plant.
利用氧化鋁廠工業廢渣生產的改性鋁酸鈣淨水劑兼有混凝和脫鹽兩種功能。
include capacitance mullite, capacitance zircon mullite, capacitance magnesia-alumina spinel, capacitance zircon corundum,diamantane, and corundum-mullite products.
體系。產品有電熔莫來石、電熔鋯莫來石、電熔鎂鋁尖晶石、電熔鋯剛玉、白剛玉、剛玉-莫來石製品等。
The art preparation of alumina membrane with sol-gel has been studied, in which acids have been used as peptizers.Concentration and peptization temperature of acids have been determined.
研究了溶膠-凝膠法制備氧化鋁無機膜的工藝過程，確定了作爲膠溶劑的酸及其用量以及膠溶溫度；
To sum up the effect of chlorion corrosion on the process equipments and index in Bayer process alumina production,and analyse the main reasons of equipments unefficient caused by chlorion corrosion.
綜述拜耳法生產氧化鋁過程中氯離子對工藝指標及生產設備腐蝕的影響，分析了有氯離子存在時造成設備腐蝕失效的主要原因。
R esults show that the modified cement with good durability, small expansion and low alkality can be made by use of gypsum and zeolite modifying alumina cement.
結果表明：以石膏和沸石對高鋁水泥改性，可配製出耐久性良好、具有微膨脹性的低鹼度改性水泥。
Yixing tuofeng ceramic Co., Ltd. producing ceramic products of alumina specialized company, all the male genital of Yixing admires the tea plantation to located in pottery in the bank of Tai Hu.
宜興市拓峰陶瓷有限公司是生產氧化鋁陶瓷產品的專業公司，座落在太湖之濱的陶都宜興市陽羨茶場。
The results are showed as follows.Lewis(Louis) acid sites exist on the surface of α-Alumina support and silver catalyst.Pyridine, the basic absorbate, can be adsorbed on its Lewis (Louis)acid sites.
研究表明： 在載體α-氧化鋁和銀催化劑表面都存在L酸中心，鹼性吸附質吡啶能吸附於其L酸位， 載體α-氧化鋁負載銀之後，其酸性中心濃度有所降低，在銀催化劑內加入一定量的助催化劑銫後，其酸性中心濃度又有了明顯下降。
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