concentration of reactants 中文意思是什麼

concentration of reactants 解釋
反應物濃度
  • concentration : n. 1. 集中。2. 【化學】提濃，蒸濃，濃縮；濃度；稠密度；【礦物】汰選，選礦，富化。3. 集中注意，專心。
  • of : OF ＝Old French 古法語。
  1. A series of near roundness cds nanoparticles with a particle diameter of 3 ~ 6nm have been prepared by controlling the concentration and proportion of reactants and adopting sodium hexametaphosphate as stabilizing agent. the studies demonstrate that these particles present obvious quantum size effect and an appropriate excess of cd2 + ion and hexametaphosphoric acid group polysnion are helpful to the dispersion and flame capability ' s improvement of particles. another series of near roundness monodisperse au nanoparticles with a diameter of 12. 3nm was prepared via sodium citric acid deoxidizing auric chloride acid

    利用六偏磷酸鈉作為穩定劑，通過控制反應物的濃度及比例，制備了粒徑為3 6nm 、呈近似球形的cds納米顆粒，光譜測試結果表明，顆粒具有明顯的量子尺寸效應，適當過量的cd ~ （ 2 + ）離子以及六偏磷酸根聚陰離子有助於顆粒的分散並提高其發光性能；採用檸檬酸鈉還原氯金酸，制備了接近球形、平均粒徑約為12 . 3nm的單分散體系au納米顆粒；採用wessling的前驅聚合物法獲得導電聚合物ppv前驅體。
  2. It was demonstrated that the reaction temperature, solvent, concentration of the reactants and catalyst, ageing time affected the particle size and distribution. by controlling these factors or feeding teos step after step, monodispersed and spherical ultrafine sio2 powder could be prepared

    討論了醇、水、氨、正硅酸乙酯、溫度、陳化時間等多種影響因素對顆粒粒徑及粒徑分佈的影響，得出了制備超細二氧化硅粒子的優化的工藝條件。
  3. 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。
  4. To determine influence of technical conditions on product diameter, the influences of concentrations, molar ratio, reaction temperature and time on average size were investigated by means of uniform design. the results of experiments indicated that product diameter was mostly influenced by reaction temperature, followed by molar ratio of reactant, concentration of reactants, and reaction time. the optimum conditions were c ( co ( no3 ) 2 6h2o ) = 0. 35mol / l, n ( co ( nh2 ) 2 ) : n ( co ( no3 ) 2 6h2o ) = 3. 53 : 1, reaction temperature 94 and reaction time 3. 53h

    以產物的平均粒徑（ nm ）為優化指標，選擇硝酸鈷濃度、反應物摩爾比、反應溫度和反應時間四個因素，運用均勻試驗設計技術進行3 ~ 5 1 ~ 3因素優化試驗，發現反應溫度對產物的粒徑影響最大，其次分別為反應物摩爾比、硝酸鈷濃度以及反應時間，並確定最佳反應條件為：硝酸鈷濃度0 . 35mol l ，反應物摩爾比為3 . 53 ： 1 ，反應溫度94 ，反應時間3 . 53h ，預報值粒徑y _ 1 = 19 . 57nm ，在此優化條件下制得的納米co _ 3o _ 4平均粒徑為22nm 。
  5. In this work, the aspects those impose influences on the performances of the ag films such as the pretreatment of the basic tubes, the concentrations of the reactants, the reaction time were investigated. apart fffm this, great attention ^ was given to the study on the parameters in the process of ag deposition in which low concentration and high temperature, or high concentration and low temperature was alternatively adopted

    對銀膜的制備工藝及影響銀膜性能的因素如工藝條件、預處理過程、反應物濃度、反應時間等進行了研究，尤其對低濃度高溫沉積銀膜工藝與高濃度低溫沉積銀膜工藝的各影響因素進行了研究。
  6. The influences of w0 ( molar ratio of water to surfactant ), the concentration of the reactants and the aging time on the morphologies and the sizes of the nanoparticles were studied

    研究了微乳液中水與表面活性劑的摩爾比（ _ 0 ） 、反應物濃度及濃度比、陳化時間等條件對產物形貌的影響。
  7. Both of the increase in water content w ? and reactant concentration made the effects stronger. two microemulsions containing reactants being mixed, hap particles began to form. hap particles were characterized by dynamic light scattering, auger energy spectrum, xrd, ir spectrum and tem

    反應試劑濃度的提高和體系水含量w值的提高影響了微乳液水核的數量、水核中的離子佔有數以及aot分子的聚集數，因此對hap顆粒的形成產生影響。
  8. Based on the model the reactants concentration and temperature profiles along the axis and the concentration and temperature at different position of the washcoat were calculated

    根據此模型對通道軸向的反應物濃度與溫度分佈以及催化劑塗層內不同厚度處的濃度做了計算。
分享友人
分享到 Line

分享到臉書