組沉澱劑 的英文怎麼說

中文拼音 [zǔchéndiànjì]
組沉澱劑 英文
group precipitant
  • 組 : Ⅰ名詞1 （由不多的人員組成的單位） group 2 （姓氏） a surname Ⅱ動詞（組織） organize; form Ⅲ量詞（...
  • 沉 : Ⅰ動詞1 （沉沒; 墜落） sink 2 （沉下 多指抽象事物） keep down; lower 3 [方言] （停止） rest Ⅱ形容...
  • 劑 : Ⅰ名詞1 （藥劑; 制劑） a pharmaceutical or other chemical preparation 2 （某些有化學作用的物品） a...
  • 沉澱 : 1 （沉澱過程中析出的物質） sediment; precipitate; sedimentary accretion; precipitation; （doposit...
  1. Moreover, the quenching concentration of eu is raised. on the basement of successful synthesis of two - components oxide, edta complexing sol - gel method was expanded and applied to effectively synthesis nanosized muti - components oxide, such as la1 - xsrx fe o3, lafe1 - xcuxo3, la1 - xsrx coo3, laco1 - xcuxo3 because edta can bind with most metallic elements of the periodic table, this technique become a versatile tool in the production and study of new nano materials of multi - component complex oxides. a economic and new process has been studied to synthesis la2o3 nanocrystalline, using nh4hco3 as precipitant

    河北大學理學博士學位論文對于單一組份的稀土氧化物，探索出一條更經濟、更方便的合成方法，即:用碳酸氫錢做稀土沉澱劑，成功地制備了納米l匆03 ，並對中間產物碳酸斕及其燒成的氧化斕分別進行了ir 、 tg一dta 、 sem 、 xrd分析研究，確定了碳酸憫的組成，氧化斕的物相、結構，並發現分散劑的種類對微觀形貌有一定的影響。
  2. Low temperature plasma has been extensively investigated for catalyst preparation, including plasma chemical synthesis of ultra - fine particle catalysts, plasma regeneration or plasma treatment of catalysts, plasma - assisted deposition of catalytically active compounds on carriers and combination of plasma and catalyst in reaction system

    摘要低溫等離子體技術在化學生產中的用途越來越廣泛，它在催化劑領域的應用主要表現在以下幾個方面：超細顆粒催化劑合成，催化劑再生，催化劑表面處理，活性組分沉澱到基體以及低溫等離子體系統中添加催化劑。
  3. Compared with the catalyst prepared by precipitation, the catalyst prepared by microwave shows more homogenous distribution in particle and pore size and better catalytic activity with the yield of dpc of about 7 %

    與沉澱法相比，微波法制備的催化劑具有比較均勻的尺寸和形狀，活性組分在載體上的分佈較好，催化劑活性較高，碳酸二苯酯的收率接近7 % 。
  4. ( 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。
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