calcinations 中文意思是什麼
calcinations
解釋
段燒-
The effects of calcinations temperature and holding time on the perovskite phase of synthesized pmn - pt have been studied
並研究了煅燒溫度及保溫時間對合成材料單相性的影響。 -
Furthermore, we try to fabricate complex perovskite structure pmn - pt by the conventional mixed oxide, liquid phase inclosure technique and microwave calcinations method
同時也對直接固相合成法、液相包裹體法及微波合成工藝進行了相應的比較和探討。 -
The intrinsic chemical reaction rate constant was insensitive to the precursor and the calcinations history of cao, but the product layer diffusivity was affected by these two factors in the initial stage and decreased to a constant value with increasing conversion of cao
化學反應速率常數不受氧化鈣的先驅物與其鍛燒程序所影響，但產物層擴散系數在初始階段則受到上述兩因素的影響，並隨著氧化鈣的轉化而減少至一定值。 -
The results showed that sequence and way of feeding, reaction temperature, time of aging, stirring speed and drying and calcinations had remarkable influence on the pore structure
結果表明，加料順序、加料方式、成膠溫度、老化時間、攪拌速率以及乾燥焙燒等因素對孔結構均有明顯影響。 -
And pbo single crystal nanowire was successfully prepared with new method. the results show that the amorphous matrix of the powders almost completely transforms into crystalline perovskite phase after 600 calcinations. the mean grain size in pt / tb powder is about 23nm that is smaller than that of pt powders
鈣鈦礦相的晶軸比c / a比未摻tb的pt粉末低，具有贗立方結構的特性，降低了從立方相向這種四方相轉化的勢壘，從而有效地抑制了較高溫下焦綠石相的產生。 -
The results show that high - temperature calcinations, alkaline leaching and stirring scrubbing can ' t separate the current collectors and active materials effectively
研究結果表明焙燒法、堿浸法和攪拌擦洗法都不能達到活性物質與集流體的有效分離。 -
The appropriate calcinations temperature is about 700, and the tetragonal sno2 phase crystal structure of the particles remained unchanged when sb was doped to it. as the calcinations temperature increasing and the calcinations time prolong, the size of particles grows and the crystallization tend to be complete. study on the electrical properties of ato powders prepared by hydrothermal synthesis was performed in - depth, the most optimal electrical properties are obtained at doping ratio of 11 percent
水熱法制備的ato納米粉體在熱處理溫度700左右較為適宜，銻的摻雜並未改變粉體的四方相金紅石結構，隨銻摻雜量的增加，粉體的粒度變小；隨熱處理溫度的升高和熱處理時間的延長， ato粉體的粒度增大，晶體結構趨于完整。 -
The worm - like 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 the samples through calcinations under resembled conditions, but the mesopore ordered poorly. ft - ir results showed hexagonal structural character were kept, but xrd, tem results showed that the samples have the structure characteristics of msu - x. it was analysized that all n2 adsorption isotherms of the samples belong to langmuir iv category which is related to mesoporous materials
Ft - ir光譜表徵結果顯示，經萃取處理后的介孔sio _ 2材料保持了六方的結構特徵；經xrd 、 tem進一步分析，證實所合成的介孔氧化硅材料具有msu - x材料的結構特徵， xrd譜圖表明樣品具有短程有序性：所合成的材料低溫n _ 2吸附測試結果表明，各樣品的n _ 2吸附等溫線均與中孔（介孔）特徵的第類曲線基本相符；由kelvin公式計算得到的孔徑分佈曲線說明，介孔材料具有較為集中的孔徑分佈；各樣品的bet比表面積比較高。 -
Differential scanning calorimetry ( dsc ) was applied to explore the calcinations parameters, including temperature raising and decreasing rate, holing temperature and time
採用dsc對原料進行了差熱分析，確定合適的升溫速率、降溫速率、保溫溫度及保溫時間等煅燒條件。 -
For adapting to the need of industrialization and improving the properties of materials, the method of mechanical activation has introduced on the basis of traditional calcinations at high temperature. the stardard spinel limn204 is prepared by the mechanical activation - high temperature solid synthesis method. the thermodynamic property, the physical - chemistry performance and the producing techniques of. battery have been studied by means of thermogravimetry ( tg ), differential scanning calorimetry ( dsc ), x - ray diffraction ( xrd ), scanning electric microscopy ( sem ) as well as various electrochemical analysis methods. studies show that synthesis temperature, calcinations time, recipe of raw materials, heat treatment and particle size of products are main factors affecting the performances of limn204 cathode materials. with the increment of synthesis temperature and time, the structure and crystal of products are getting to perfect
隨著合成溫度和時間的增加，產物的結構和晶型越趨于完善，但在1100得到的產物有燒結和晶粒增大的現象，恆溫時間超過24h后對材料的性能影響不是很大； li mn比在0 . 95 1 . 05 2的條件下都可得到標準的尖晶石limn _ 2o _ 4 ，尤其當li mn比為1 . 05 2時，所合成的材料具有較好的電化學性能；通過兩段合成法制備的產物性能要比一段合成法法制備的產物性能好，而兩段間隔合成法比兩段連續合成法處理的材料性能更佳；顆粒的粒度隨著球磨時間的延長而減小，比表面昆明理工大學碩士學位論文摘要卻增大，粒度小且分佈范圍窄的材料有利於鏗離子的擴散。 -
We also put forward the technique of in - situ dispersion to modify coatings. the key of the technique was to add the nanoparticle sol prepared by the wet chemical method into coatings instead of dropping the nanoparticle powder prepared by the technics of filtration and calcinations in the coatings
同時提出在位分散法納米粒子改性塗料的制備技術：直接在塗料中引入採用濕化學方法制備的納米粒子溶膠，而不是採用外加經過過濾和燒結等工藝制備的納米粉體。 -
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。 -
Besides, the time of calcinations nearly exhibited no influence on the resistance
2h后延長熱處理時間對電阻值基本無影響。 -
A study on the synthesis, structure and performance of linio2 - based compounds as cathode materials for lithium ion batteries was carried out systemically and in detail in this dissertation. as the first step of this study, a sol - gel method using citric acid as a chelating agent was developed. the reaction conditions in sol - gel process, pre - calcination process and calcination process, especially sintering temperature and sintering time in calcinations process, were analyzed and optimized carefully
本文採用多種結構分析、表面分析、熱分析和電化學研究方法和實驗手段，從合成方法、結構特徵、電化學性能、熱穩定性和貯存性能等多方面對鋰鎳氧系列電極材料進行了系統深入的研究，制備出性能良好的鋰鎳氧系列電極材料，解釋了鈦的摻雜對電極材料的作用機理，揭示了鋰鎳氧系列電極材料的貯存失效機理，並借鑒和發展了rietveld結構精修方法和tpd - ms技術在鋰離子電池電極材料研究中的應用。 -
The effects of doping ratio, calcinations temperature and calcinations time on the structure and the particle size have been comprehensively studied
系統研究了摻雜比，熱處理溫度，熱處理時間等制備工藝過程對ato納米粉體相組成和粉體粒度的影響。 -
When the calcinations temperature fell into the scope of 300 - 400, its resistance begun to decrease sharply. however, the resistance almost kept unchanged under higher calcinations temperature
電阻值隨熱處理溫度的升高而下降，在300 ? 400左右時，電阻值下降很快，繼續升高熱處理溫度，電阻值減小趨勢變緩。 -
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。 -
During the study of sol - gel process, we successfully synthesized the series of nanometer powder of the lizn ferrite by citric acid self - propagating method, studied the influence of the value of ph, the rate of citric and the calcinations temperature, discovered the optimum conditions to synthesize nanometer powder of the lizn ferrite
在溶膠-凝膠工藝技術研究中，利用檸檬酸自蔓延法制備了納米lizn鐵氧體粉末，研究ph值、檸檬酸組分、煅燒溫度等工藝條件對納米粉體性能與形貌的影響，探索出一條制備單一晶相的lizn鐵氧體納米粉末的工藝條件。 -
Using sncl4 - 5h2o and sbcl3 as precursors, antimony doped tin oxide particles with good electrical properties have been prepared by hydrothermal synthesis. the optimal conditions of this synthesis process were as following : doping ratio was 11 % ; reaction temperature was 180 ; reaction time was 2h ; the temperature and time of calcinations is 700 and 2h. the size of ato particles obtained is about 20nm, and its resistance can reach 0. 2, under 0. 2mpa pressure
在摻雜濃度為11 ，水熱反應溫度為180 ，反應壓力1mpa ，反應時間2h ，熱處理溫度為700 ，熱處理時間2h的實驗條件下制備的ato粉體，性能達到最佳，晶粒度在20個nm左右，在0 . 2mpa壓力下粉體電阻值為0 . 2 。 -
Study on preparation of superfine calcium carbonate under different calcinations regulation and concentration
不同煅燒制度和濃度條件下制備超細碳酸鈣的研究
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