煅過的 的英文怎麼說
中文拼音 [guòde]
煅過的
英文
burnt-
Based on orthogonal designed experiment, the synthesis of corundum - mullite - gahnite multiphase materials by two - step sintering process showed that the light fired temperature and holding time mostly influenced the apparent porosity of the multiphase materials. further study on the light firing time indicated that at the light firing temperature of 1300 and died fire temperature of 1600 for 3h, the optimal light fired time was about 1h
二次煅燒及正交實驗合成復相材料研究表明:輕燒溫度和輕燒時間對復相材料的顯氣孔率影響顯著;通過輕燒保溫時間的進一步研究表明:含剛玉、莫來石、鋅鋁尖晶石的復相材料,在輕燒溫度為1300 、終燒條件為1600下保溫3h時,最佳的保溫時間為1小時左右。The activated carbon which can be rejuvenated by roasting procedures has improved the economy considerably.
已證實研製通過煅燒可再生的活性炭具有相當大的經濟效益。The samples of pmn - pt have been dissolved by thick vitriol. now a convenient chemical titration analysis method was proposed to make analysis of the cations in the system
對煅燒后的樣品進行溶解,對其中的陽離子通過絡合滴定等方法來進行定量分析。Yig and ce : yig precursors were prepared via coprecipitation. by means of improving homogeneity and decreasing synthesis temperature, harmful yfeo3 phase was restrained, the oxidation of ce3 + was under control, and pure phase yig and ce : yig ( x = 0. 2 ) were obtained
採用共沉澱法合成yig及ce : yig前驅體,通過提高組分均勻性、降低煅燒溫度等手段,有效地抑制了yfeo _ 3雜相的生成和ce ~ ( 3 + )離子的氧化,合成了單相yig和ce : yig 。The analysis results of reaction between calcined kaolin and saturation ca ( oh ) 2 solution and xrd results of reaction products of calcined kaolin and cement indicated that calcined kaolin has a high volcanic ash active
通過對煅燒高嶺土與飽和石灰水的反應及煅燒高嶺土與水泥混合后的xrd分析,確認煅燒高嶺土具有較好的火山灰活性。Alumina is then extracted from the furnace and passed over vibrating sieves to obtain an extremely fine powder with a diameter of less than one micron
將鋁氧粉從煅燒爐中提取出來。通過振動篩,篩出直徑不足1微米的超細粉末。The nanoparticle titanium dioxide was prepared with tnb as raw material by the sol - gel process, the effects of the alcohol salt concentration the kind of solvent the water volume hydro1yze temperature. the dried ways of the wet gel and the calcined temperature of the dry gel on the specific surface area. particle size
本文以鈦酸丁酯為前驅體,利用溶膠?凝膠法制備了納米級的tio _ 2粉體材料,通過正交實驗研究了醇鹽的濃度、溶劑的種類、水含量、水解溫度、乾燥條件和煅燒溫度等工藝條件對納米粒子的比表面積、粒徑大小及分佈、晶相組成等性能的影響。Kiln simple structure, convenient and reliable control of the production process, the vulnerability of small, high rates of operation, the plant is calcined high - grade cement equipment, but also widely used in metallurgical, chemical, construction and other industries
回轉窯結構簡單,生產過程式控制制方便可靠、易損件少、運轉率高,是水泥廠煅燒高標號水泥的設備,同時也廣泛用於冶金、化工、建築等行業。The homogenous precursor of magnesium niobate titanate was prepared under high temperature by adjusting the excess content of mgo after milling
通過研磨,高溫煅燒等工藝,調節鎂的含量,制得了均勻的先驅體粉料。The liquid synthesis of nanocrystals titania at low temperature, due to avoiding the sintering process, brings superior physical and chemical properties
低溫液相合成晶態納米二氧化鈦由於避免了高溫煅燒過程,可望賦予其更優越的特性。The nanometer tin dioxide powder aspects were prepared with the colloid - hydrothermal system which takes the merit of sol - gel law and hydrothermal method, and combine forming new preparing method - colloid - hydrothermal after the analysis of a large number of documents to the home and abroad and comparing to more than ten kinds of methods preparing the nanometer powder aspect, the nanometer stannic dioxide powder is prepared with the colloid hydrothermal system, and has avoided the pure sol - gel law to calcine with high temperature later period which causes the hard agglomeration
本文通過對國內外大量文獻的分析,對制備納米粉體的十多種方法進行了比較。取溶膠?凝膠法和水熱法各自的優點,結合形成新的制備方法? ?膠體水熱法。用膠體水熱法制備納米二氧化錫粉體,避免了純溶膠?凝膠法後期用高溫煅燒得到二氧化錫超細粉體時產生的硬團聚現象。Ceramic grain filters ard made of refined pottery clays added with certain modifiers, and processed of grinding, mixing, shaping and high temperature sintering. they do not contain any substances that harmful to people or environment. they are hard and rough in surface, porous inside the structure, and have the advantages of high mechanical strength, large specific surface area and porosity. when used in water treatment, they behave a activated surface property, a great amount of pollutant entrapment, less water head loss in the filter bed, lower consumption of back - flush water, stable in chemical and gbiologic property, and long service life, ceramic grain filters is a new and efficient filter material to increase the water yield, upgrade the water quality, and save chemicals and energy
陶粒濾料是以精製陶土為主要原料,摻加適量改性劑,經粉碎,混練,成型和高溫煅燒而製成的,不含任何對人體和環境有害的物質.其表面堅硬,粗糙,內部疏鬆,多孔,具有機械強度高,比表面積大,孔隙率大的特性.用於水處理中,具有表面性狀好,截污能力強,過濾水頭損失小,反沖洗耗水量低,化學穩定性和生物學穩定性好,使用壽命長的特點.陶粒濾料是一種能增加水產量,提高出水質量,節省藥劑和能耗的新型高效過濾材料In this paper, co3o4 nano - particles were prepared by homogeneous precipitation method, technical conditions and kinetics were studied, the main contents and results are as follows : co ( no3 ) 2 6h2o was used as raw materials, and co ( nh2 ) 2 was used as precipitator, co3o4 nano - particles were prepared by homogeneous precipitation. the influences of concentration, molar ratio of reactants, reaction temperature and time, dryness temperature and time, and calcining temperature and time on particle size were investigated
本文採用均勻沉澱法制備納米co _ 3o _ 4粉體材料,研究了制備工藝條件、沉澱反應和前驅體熱分解過程的動力學,主要研究內容及結果如下:以硝酸鈷為原料,尿素為沉澱劑,採用均勻沉澱法制備納米co _ 3o _ 4 ,考察了硝酸鈷濃度、反應物摩爾比、反應溫度和時間、乾燥溫度和時間、煅燒溫度和時間等條件對產物粒徑的影響。The influence of preparing conditions on aluminum titanate composing was inquired. by analyzing element content of alumina and titania source, arranging a stoichiometric dosage, and keeping the chemical homogeneity from sol to mixed ti - al oxide precursor, a high activity powder was prepared. after calcining the precursor powder at 1250 for 2h, aluminum titanate phase is formed
本試驗通過準確測定起始物的ti 、 al含量,嚴格化學配比,採取適當措施將微尺度上的組成均勻性從溶膠一直保持到混合鋁鈦氧化物前驅體的生成,使該粉體具有高活性,將其在1250煅燒2h ,已合成出以鈦酸鋁為主晶相的產物,比文獻報道的鈦酸鋁相的最低生成溫度降低了50 。Calcination of flotation concentrates and filter cakes from synthetic mgo processes
浮選精礦和過濾塊的煅燒The influence of pellet technique and microwave method on the emerge of the intermediate pyrochlore phase was studied
通過壓片煅燒和微波合成等工藝考查了壓片及快速升溫對焦綠石相的生成的影響。While this concept for calcination / carbonation processes sounds simple, in practice sorbents undergoing cyclic calcination and carbonation suffer from a serious loss of calcium utilization efficiency as the cycling proceeds
雖然煅燒/碳化過程的原理聽起來似乎簡單,但實際上,在循環煅燒和碳化的過程中,吸附劑的鈣使用效率將嚴重下降。Abstract : some new technological measures, such as new reactors, gel method to remove silicon, direct dissolve acid to recrystallizate and direct calcine from zirconyl chloride, were used to reform zirconium dioxide production process. as a result, the materials consumption and energy consumption were reduced and the wastewater discharge was decreased. meanwhile the rubbish were recovered and utilized to prepare into a by - product as silica aerosol. the pollution prevention and control in production process were achieved
文摘:採用新型反應器及膠凝除硅、直接酸溶重結晶、直接煅燒等技術對二氧化鋯的生產工藝進行了改革,降低了原材料消耗及能耗,減少了廢液排放量,並將回收的廢物加工成副產品白炭黑,在生產過程中防治污染。Can be removed by screening the milk of lime, some other impurities, such as mgo, sio
同時,未煅燒的碳酸鈣可以通過篩選石灰乳和其它雜質例如2. in this thesis, the mesoporous silica was experimented by using macromolecule microemulsion as template, and template was removed through calcinations and extraction with hot ethanol. the mesoporous materials were synthesized and characterized with tem, x - ray diffraction, nitrogen adsorption / desorption and ft - ir techniques, etc. the results showed that all the samples had larger porediameter than samples " through calcinations under resembled conditions, but the mesopore ordered poorly
首先以剛合成的粒徑均勻分佈的高分子微乳液為模板劑和反應介質,採用萃取和煅燒的方法得到了介孔氧化硅材料,採用ft - ir 、 xrd 、 tem 、 n _ 2吸附脫附曲線等測試手段對經不同處理過的介孔氧化硅材料結構進行了表徵。分享友人