焙燒產物 的英文怎麼說
中文拼音 [bèishāochǎnwù]
焙燒產物
英文
product of roasting-
It ' s obtained that ph = 6. 5 is a suited ph value for getting ideal product with good properties. the calcinate temperature is the key factors to transform the precursor to a pure product with spinel structure
研究了不同的工藝條件如溶液ph值、焙燒溫度、焙燒時間、焙燒方式、 li / mn的比值對產物結構的影響。The characteristic of different products at different calcinating temperatures and time, ph value of solution, raw materials were investigated. the results show that perfect spinel li4mn5o12 crystals whose size belongs to nanometer can be obtained from the precursor of lithium manganese oxides after being calcinated. it is founded that calcinating temperature has great influence on the crystal structure of li4mn5o12 and the optimized temperature is 500
結果表明焙燒溫度是影響產物結構性能的最重要的因素，最佳焙燒溫度為500 ，溫度小於200不能形成完整的尖晶石結構，而焙燒溫度超過500產物會發生分解；綜合考慮焙燒時間最佳為8小時；溶液ph值也是影響產物性能的因素之一，實驗證明前驅體合成ph = 9 . 0最佳；另外不同的原料也會影響產物的結構，考察了不同鋰源的影響，選擇li _ 2co _ 3為最佳鋰源。And the electrochemical properties of products were studied and the materials show good electrochemical properties
以溶膠-凝膠化產物為前驅體，研究了不同焙燒條件對產物結構性能的影響。Many sulfide - containing metal ores are burned as part of the extraction process, giving off sulphur dioxide, which can be recovered and used in the sulphuric acid industry
將許多金屬硫化物的礦石焙燒是提煉過程的一個部分，焙燒過程產生二氧化硫，還原為硫磺后可用於硫酸工業。The results show that these three kind of materials are effective to reduce the a - phase - transformation temperature and accelerate the a - phase - transformation process. no bough - like structure was found in the doping production of heat - treatment
結果表明：這三種物質均有明顯的降低氧化鋁相變溫度，促進氧化鋁相變的作用，得到的焙燒產物中基本上沒有「樹枝狀」結構。The results show that the a - phase - transformation of pure aach can be completed by heating at 1200 ? for two hours. but under this temperature, the alumina particles will be sintered together, which can lead to the formation of bough - like structures. and these bough - like structure will make the powder difficult to be dispersed
接著對碳酸鋁銨進行了焙燒實驗，研究了其在升溫過程中的相變行為，結果表明：純aach在1200保溫1 . 5h的情況下才能100轉變為氧化鋁，而在這樣高的溫度下，粒子之間會形成燒結頸，從而使粉體產物在形貌上出現所謂「樹枝狀」結構，給粉體使用時的分散帶來了困難。In this work, layered lini1 - xalxo2 ( 0 < x 1 / 2 ) solid solution materials were successfully synthesized by current co - precipitation method in the air, and their preparation and properties were deeply and systematically explored. influences of different factors on the structure and properities of samples were studied, including li resources, different performs, li / m ( oh ) 2 molar ratio, calcining heat condition, the best synthesis technics were concluded : sintered for 16h at 700 from li source ( lithium nitrate ) : m ( oh ) 2 = 1. 05 : 1, ultrasonic vibration for dispersing and catalysing are best. lini0. 8al0. 2o2 exhibited a discharge capacity of 130. 7 mah ? g - 1 in the voltage range of 2. 8 ~ 4. 40v and at a specific current of 0. 2 c. a new co - precipitation method was proposed, it included ultrasonic for dispersing and catalysing, by dropping lioh to the aqueous solution of metal nitrates, hydroxides of metals were precipitated and the resulting solution was evaporated as received
採用傳統共沉澱工藝在空氣氣氛中成功地合成出了二元lini1 - xalxo2 （ 0 < x 1 / 2 ）層狀固溶體系列，綜合考察了不同鋰源、預處理方式、鋰的配比量、焙燒溫度等條件對合成產物的結構和性能的影響，確定出了最佳合成工藝:以硝酸鋰為鋰源，超聲波作為分散動力源，鋰源與鎳鋁金屬鹽摩爾比為1 . 05 : 1 ， 700下焙燒16h的lini0 . 8al0 . 2o2樣品電化學性能最佳，在2 . 8 ~ 4 . 40v之間， 0 . 2c的倍率放電可逆容量達130 . 7mah ? g - 1 。( 2 ) the affecting factors such as components in precipitation process, the add - on, add on of precipitator, calination temperature and calination time were studied in the preparation process of ceo2 nanoparticles. the tg was used to analyze the processor, the xrd, sem and tem were used to characterize the size of crystal type of products. by a series of designed experiments the interaction between different factors and impacts on the preparation of ceo2 nanoparticles were probed, and the optimum preparation condition was gotten
（ 2 ）對納米二氧化鈰制備過程中可能的一些影響因素（反應組分的濃度，沉澱劑的加入量，焙燒溫度，焙燒時間等）進行了研究，並通過tg ? dta分析手段對前驅物進行熱重分析；用xrd 、 sem及tem等測試手段對產物的粒度和晶型進行分析；探索了各個因素對納米二氧化鈰制備的影響及各因素間的交互作用；確定了在該試驗條件下制備納米二氧化鈰比較優化的制備條件。分享友人