materials synthesis and preparation 中文意思是什麼

materials synthesis and preparation 解釋
材料合成與制備
  • materials : 版本
  • synthesis : n. (pl. -ses ) 綜合,【化學】合成;【邏輯學】綜合(法);【語言學】綜合(性);語詞的合成;【醫學】接合;【物理學】合成綜合。
  • and : n. 1. 附加條件。2. 〈常 pl. 〉附加細節。
  • preparation : n 1 準備,預備;〈常 pl 〉準備工作[措施];預修,預習 (for) 預習時間;(對…的)準備。2 (藥、菜...
  1. Linio2 - based compounds were promising candidates of cathode materials for lithium ion batteries. but they still possessed various problems such as the difficulty of preparation, the poor heat stability and the dissatisfactory cycleability performance and so on, which insolubility for its practical applications, so it must be optimized synthesis and changed perfomance

    鋰鎳氧系列電極材料是當前鋰離子電池新一代正極材料的研究熱點之一,但是由於該系列材料存在著諸如制備困難、熱穩定性差、循環性能差等問題而不能實際應用,必須對其進行合成優化和性能改性。
  2. This article reviews the developments of studies in inorganic synthesis and preparative chemistry in vital aspects such as the extreme condition synthesis, soft chemistry, the preparation of specially condensed and aggregated materials, morphology and size modifying growth, defect and valence controlling, combinatorial chemistry, computer - aid design, ideal and biomimetic syntheses

    摘要本文從極端條件合成、軟化學合成、特殊凝聚態和聚集態制備、形貌與尺寸修飾、缺陷與價態控制、組合化學合成、計算機輔助合成、理想合成與生物模擬合成等幾個側面,闡述近年來無機合成與制備化學研究的進展。
  3. Special emphasis has been given to the synthesis and characterization of reactive, functionally - terminated siloxane oligomers, which are the key starting materials or intermediates in the preparation of the well defined block or segment copolymers and play an important role in these reaction systems

    反應性矽氧烷是制備有機矽的嵌段或接枝共聚物的關鍵起始原料和反應中間體,在共聚物的形成中起著重要的作用。
  4. 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 。
  5. Perovskite - type complex oxides of la1 - xcaxcro3 compositions are attracting growing attention because of their superior electronic conductivity and excellent chemical stability in both oxidizing and reducing atmospheres, which makes them promising candidate materials for many important applications, such as interconnectors for solid oxide fuel cells ( sofc ), heating elements for high temperature furnaces, and current collecting electrodes in magneto - hydrodynamics ( mhd ). in this dissertation, the gnp ( glycine - nitrate process ) method has been employed to synthesize la1 - xcaxcro3 oxides. the synthesis and preparation, sinterability, electrical conducting properties and thermal expansion properties of la1 - xcaxcro3 oxides have been investigated

    本文採用gnp ( glycine - nitrateprocess )法制備了la _ ( 1 - x ) ca _ xcro _ 3材料,對制備方法與工藝參數、材料燒結性能、電性能以及熱膨脹性能進行了研究,分析了ca ~ ( 2 + )含量、粉體顆粒形態對材料燒結行為、燒結緻密化溫度的影響,並研究了ca ~ ( 2 + )含量、粉體顆粒形態對材料晶體結構、顯微結構和物理性能的影響,其目的在於為該類高溫電子導體的進一步研究利應用提供實驗和理論依據。
  6. Research of this thesis include two parts mainly, first part include the preparation of srtio3 powder materials by sol - gel process and solid phase synthesis process. the second part, on the base of strontium titanate powder materials prepared, srtio3 - based capacitor - varistor double function ceramic were fabricated by the conventional ceramic process

    第二部分是在制備的鈦酸鍶粉體材料的基礎上,通過摻雜施主、受主離子對鈦酸鍶材料進行半導化,制備電容-壓敏雙功能器件,並對兩種方法制備的元件性能分析比較。
  7. The main contents of this paper consist of the following points : 1. the research progress of low dielectric materials, mechanism of template synthesis of silicate film and some applications were summarized. a new method was brought forward to solve the present deficiency in preparation of low dielectric silicate film

    主要工作大致有以下幾個方面: 1 、綜述了國內外低介電材料的研究進展,詳細探討了模板法制備多孔硅材料的機理及應用,並針對目前低介電多孔薄膜的制備和性質方面存在的不足提出了相應的解決辦法。
  8. Two methods of materials preparation - self - propagating synthesis and mechanical alloying were applied broadly in field of material

    自蔓延高溫合成( shs )和機械合金化( ma )是兩種制備材料的新技術,它們在材料領域有廣泛的應用。
  9. Pulse electric current sintering is an advanced technology for materials synthesis and one of effective methods for preparation nano - structure ceramic. but the sintering mechanism is different with traditional sintering method. the sintering phenomena of oxide nano - powders have been investigated in this paper

    放電等離子體燒結技術( sps )是材料制備新技術之一,也是制備納米相陶瓷的有效方法之一,但燒結金屬氧化物納米粉末過程中的緻密化機理與傳統理論有一定的區別,本文對脈沖電流燒結金屬氧化物納米粉末進行了系統研究。
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