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anatase

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anatase n.【礦物】八面石(銳鈦礦)。

n. 【礦物】八面石(銳鈦礦)。 “anatase octahedrite“ 中文翻譯：   銳鈦礦“octahedrite(anatase)“ 中文翻譯：   八面石〔銳鈦礦; 八面鐵隕石“oisanite(anatase)“ 中文翻譯：   銳鈦礦“anatase titanium didoxide“ 中文翻譯：   銳錐石型鈦白粉“anatase titanium dioxide“ 中文翻譯：   銳錐石型鈦白粉; 銳鈦型二氧化鈦; 錐型鈦白粉“btitanium dioxide anatase“ 中文翻譯：   銳鈦型鈦白粉“btitanium dioxide anatase b“ 中文翻譯：   銳鈦型鈦白粉“titanium dioxide anatase“ 中文翻譯：   鈦白粉“titanium dioxide anatase b“ 中文翻譯：   鈦白粉“titanium di oxide anatase b“ 中文翻譯：   鈦白粉“anatanotonari“ 中文翻譯：   鬼鄰人“anatahan island“ 中文翻譯：   阿納塔漢島“anatackovic“ 中文翻譯：   阿納塔茨科維奇“anataxis“ 中文翻譯：   熔融作用“anatabine“ 中文翻譯：   安那他品; 去氫毒藜堿; 新煙草堿“anataxis (selective fusion)“ 中文翻譯：   熔融作用“anata_titan“ 中文翻譯：   天使和丫丫的家

With the subtrate temperature ' s increasing , the reaction rate increased , the crystal type was transfered from anatase to rutile , the roughness increased , causing the increase in hydropilicity . when substrates “ temperature ranged from 450 ~ 550 , the tio2 films were composed with the mixture of rutile and anatase , and the photocatalysed efficiency was the best 隨著基板溫度的升高，反應速度增加，結晶類型由銳鈦礦相逐漸向金紅石相轉變，粗糙度增大，親水性逐漸升高，光催化效率在銳鈦礦和金紅石混合晶型時最佳。

anathema

Surface roughness of coatings affects the bioacitivity of materials , in order to change the roughness of coatings , the granularity of coating powders was changed firstly . nanometeral anatase titanium dioxide powders were prepared by hydrolysis of titanium - tetrabutoxide with ethanol in this paper . the main particle size is between 5nm and 10nm , while the size of ordinary titanium dioxide powders is about 100nm 為了改變涂層表面的粗糙度，實驗中從改變涂層粉末的粒度入手，以鈦酸丁酯為原料，通過醇鹽水解法制備了納米級銳鈦礦型tio _ 2超細粉，粒徑約為5 10nm ，而普通二氧化鈦粉體的粒徑多在100nm左右。

Because of the anatase ' s broad eg ( 3 . 2ev ) , the absorption thresholds correspond to 380nm for the tio2 . consequently , only the ultraviolet fraction of the solar irradiation can be active in the photoexcitation processes using pure tio2 solid . the high recombination rate of charge carrier and low efficiency of quantization are also the deficiencies of pure tio2 由于tio _ 2的帶隙較寬(約3 . 2ev ) ，半導體的光吸收波長范圍窄(主要在紫外區) ，故其太陽能的利用效率低，且還存在半導體載流子的復合率高，量子化效率低等缺陷。

The hualu brand anatase titanium dioxide we offer has high chemical stability , even particle size distribution , and excellent tinting strength . it is well accepted by customers in more than 20 provinces across china and widely used as pigment and filling in coating , rubber , paper , plastic , printing ink and other related products 該裝置生產的“華綠”牌銳鈦型ba01 01鈦白粉是一種優質白色原料，化學性質穩定，粒子細小均勻，光學性能佳，著色力高，廣泛應用于涂料橡膠造紙塑料油墨等行業，產品暢銷全國20多個省市。

The process parameters of preparing nanosized titanium dioxide powders were systematically studied by electrochemical synthesis experiments at room temperature . the rutile phase and anatase phase powders were obtained in the sizes of 9 . 7nm and 9 . 2nm respectively , and the complete crystal powders were formed after calcined at 400 for two hours . in the process of experiments it was observed that the low current density resulted in rutile phase powders , while the addition of little amount of ions of sulfate promoted the formation of anatase phase powders 在本實驗條件下，小的電流密度有利于金紅石相的生成，而少量硫酸根離子的引入對生成銳鈦礦相粉體有利，調整電流密度大小和引入硫酸根離子的量，可以得金紅石型和銳鈦礦型的混合混體；研究無定型粉體，銳鈦礦相粉體以及金紅石型粉體隨溫度的粒徑變化情況時發現，粉體在400以前晶粒長大相對緩慢， 400以后晶粒粗化現象嚴重。

Tio2 / sepiolite and ticvzeolite with high photocatalytic activity have been prepared using sepiolite and zeolite minerals as carrier and the industrial metatitanic acid and the industrial sulfate titanium liquid as the raw materials for the first time . xrd results show that tio2on the sepiolite and zeolite surface were anatase , and the specific surface arrived 255m2 / g and 161m2 / g for tio2 / sepiolite and tio2 / zeolite respectively ; 2 首次采用工業偏鈦酸、工業濃鈦液為原料，天然海泡石、沸石為載體，制備出具有光催化活性的復合材料；沉積在海泡石或沸石表面的tio _ 2粒子晶型為銳鈦型；制成的tio _ 2海泡石、 tio _ 2沸石復合物比表面積分別達到255m ~ 2 g 、 161m ~ 2 g ； 2

When the molar ratio of titanate , water and ethanol is 1 : 2 . 5 : 25 , ph value is controlled about 4 . 0 , calculation temperature as 600 , and calcinations time is two hours , the ultrafine product is prepared . the temperature of polymorphic transition between anatase and rutile of dy - doped tio2 is higher than the temperature of transition of pure tio2 . the rare earth improves the hot stability of the power 研究發現，當鈦酸丁脂、水、和乙醇的物質的量的比為1 ： 2 . 5 ： 25時， ph值控制在4 . 0左右，煅燒溫度為600 ，保溫2小時后獲得粒徑非常細小的不同化學計量比組成的氧化鈦和氧化鏑的復合氧化物。

With the subtrate temperature ' s increasing , the reaction rate increased , the crystal type was transfered from anatase to rutile , the roughness increased , causing the increase in hydropilicity . when substrates “ temperature ranged from 450 ~ 550 , the tio2 films were composed with the mixture of rutile and anatase , and the photocatalysed efficiency was the best 隨著基板溫度的升高，反應速度增加，結晶類型由銳鈦礦相逐漸向金紅石相轉變，粗糙度增大，親水性逐漸升高，光催化效率在銳鈦礦和金紅石混合晶型時最佳。

( 2 ) with the condition of table 4 . 2 , the average reflectance decreases and the low reflectance vale moves towards shortwave , the influence on the extinction coefficient ( k ) of the films is very little , refractive index has trend of decrease and the thickness of the films decrease when increasing the total gas pressure , and the refractive index fix on a constant value when the total pressure exceeds a certain value . the phase of tio2 change from rutile to anatase and the size of surface grain change from big to small ( 2 )隨著總氣壓的增加薄膜的反射低谷向短波方向移動;總氣壓對消光系數k影響不大;隨著總氣壓的增加薄膜的折射率出現了下降的趨勢,但當總氣壓達到一定的量值時折射率的變化趨于穩定;薄膜的厚度隨總氣壓的增加而減少;隨著總氣壓的增加tio2的晶體結構由金紅石相向銳鈦礦相轉變,薄膜的表面的顆粒度大小由粗大變得微小細密。

In this paper , rutilt oxide film , anatase oxide film on titanium , titanium surfaces containing calcium and containing phosphorus , and apatite coating - ti were surface characterized . based on investigation on apatite precipitation , protein adsorption and osteoblast culture in vitro on the titanium surfaces , the relationship between the bioactivity and the surface characterization of titanium was studied 在本論文中，通過金紅石二氧化鈦膜、銳鈦礦二氧化鈦膜、含鈣的鈦表面、含磷的鈦表面和ti -羥基磷灰石涂層的表征，結合羥基磷灰石沉積、蛋白質吸附和細胞體外培養，研究了鈦的表面表征與生物活性的關系。

Proceed from the present situation of nanometer tio2 powder industry in our country , confront more problems in preparation of nanometer tio2 . on the base of analyzing advantages and disadvantages of existing every methods , neutralization precipitation method is adopted , using self - prepare tioso4 solution as raw material , soda as precipitant to precipitate titanous hydroxide precipitation , then obtained anatase nanometer titanium dioxide after heat treatment 從我國發展納米tio _ 2粉體產業的現狀出發，針對納米tio _ 2制備中現存的問題，我們在綜合分析對比了現有各種方法優缺點的基礎上，采用中和沉淀法，以自制的tioso _ 4為原料，碳酸鈉作沉淀劑沉淀出ti ( oh ) _ 4沉淀，經熱處理得到銳鈦型納米tio _ 2粉體。

Xrd measurements showed that tio2 in the composites was anatase nano - crystallite with 5 - 10 nm size . sem images showed that some of the tio2 nano - crystallites coated on the surface of the mmt and some of them plugged into the gap between flakes of mmt . combining xrd result with sem images , it was clearly that the mmt and tio2 nanocrystallites formed a netlike nanocomposite structure 用改性的溶膠凝膠法制備了一種mmt tio _ 2復合電流變顆粒， xrd ， sem分析證實tio _ 2是以納米晶的形式沉積于mmt的片層結構之間及顆粒表面，形成了一種網狀包覆的納米復合結構。

The xrd showed that the crystalline of samples prepared in various o _ ( 2 ) partial pressure and various sputtering power was amorphous , the anatase crystalline formed when heat treatment temperature was above 450 , and heat treatment temperature was higher , the crystalline was better . sem showed that the crystal grams formed on the surface of films when the o _ ( 2 ) partial pressure was high ; the obvious and big grains appeared hi the surface with improvement of heat treatment temperature Xrd分析表明，不同氧氣分壓下制備的樣品基本是無定型結構，不同濺射功率下制備的樣品基本也是無定型結構，當熱處理溫度高于450時，試樣出現了晶面趨向為( 101 )的銳鈦礦相，隨著熱處理溫度的升高，結晶程度增大； sem分析表明：隨著氧氣分壓的升高，試樣表面出現微小結晶顆粒；隨著熱處理溫度的升高，試樣表面出現了相當明顯的結晶顆粒，試樣的比表面積增大。

With some proper conditions , the mixture of rutile and anatase phase powders could be obtained . the sizes of the powders increased in a relatively slowrate when the temperature was below 400 , but the size of the powders increased faster when the temperature is higher than 400 在室溫條件下制備了尺寸為9 . 7nm的金紅石相， 9 . 2nm的銳鈦礦相，以及混晶等多種二氧化鈦納米晶粉體，在400溫度下煅燒可獲得不同粒徑的納米晶粉體。

At the same time , we also can supply taed , thiourea , melamine , aluminum sulphate , titanium dioxide rutile and anatase , rubber accelerator , methyl cellulose , hydroxypropyl methyl cellulose , monoammonium phosphate and other phosphates , 2 - ethyl anthraquinone , etc 同時還可為客戶提供四乙酰乙二胺硫脲三聚氰胺硫酸鋁鈦白粉橡膠促進劑甲基纖維素羥乙基甲基纖維素羥丙基甲基纖維素，磷酸二氫銨2 -乙基蒽醌等十幾種優質化工品。

The synthesized ti02 powders consist of anatase tio2 and rutile tio2 according to xrd patterns . results show that the ticfe particles show a mean grain size from 10nm to 50nm , and most of which present anatase . the content of anatase tio2 decrease with the increase of arc powder 采用掃描電鏡、透射電鏡和x射線衍射儀分析了tioz顆粒的顯微組織和晶型結構，計算了顆粒中的銳欽礦相和金紅石相的含量與晶粒尺寸。

The result indicated that the crystlal type of film convert to anatase after 500 c treatment for 1 hour , the particles size on the film surface and film ' s thickness can be adjust in some extent by properly control the technics conditions 結果表明，在500熱處理后， tio _ 2晶型從無定性態轉變為銳鈦礦結構，且通過適當控制工藝條件，可在一定范圍內調控tio _ 2薄膜表面粒徑大小和薄膜厚度。

The results show that titanium oxide films prepared at room temperature consist of amorphous phase of titanium oxides , which can transform to crystal phase mainly consisting of anatase and rutile when they are subjected to appropriate heat treatment 實驗結果表明，本文采用電化學方法制備的氧化鈦膜是一種非晶態膜，對其進行適當的熱處理后，膜的結構主要由銳鈦礦和金紅石組成。

Compared with 3 % , the temperature of polymorphic transition between anatase and rutile of 8 % which is the molar quantities of mixed rare earth is a little lower . the calcination temperature is a main reason which influences the structure of phase 摻入鏑的含量8時，銳鈦礦相向金紅石相的轉變溫度與3相比有所降低，所以煅燒溫度是影響產物結構的主要原因。