molar concentration 中文意思是什麼

molar concentration 解釋
莫耳濃度
  • molar : adj 磨的 適宜於[用來]磨的;臼齒的 臼齒附近的。n 臼齒;〈pl 〉 〈美俚〉牙齒。 a false molar 小臼齒...
  • 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。
  1. As to the separation of p - xylene / m - xylene, in order to blend polymer hydrophobe with p - cd which is preferential to adsorb p - xylene, etherified p - cd was synthesized using benzyl chloride ( phch2cl ). the influences of etherification conditions on the reaction conversion and the degree of substitution of etherified p - cd were investigated. the reaction conversion increases with the increasing of molar ratio of phcr ^ cl : p - cd and the concentration of p - cd

    對于px mx體系的分離,為使對px具有優先絡合能力的一環糊精( cd )能夠與油溶性高分子共混,本文採用williamson合成法運用氯化芐( phch _ 2cl )使-環糊精( - cd )醚化,並由元素分析結果,計算出醚化產物的取代度和轉化率,系統地考察了反應條件對轉化率和取代度的影響。
  2. Starch nanoparticles ( sn ) have been prepared with w / o starch microemulsion as microreader and epichlorohydrin as cross - linking agent. the factors affecting the preparation of sn have been investigated via the characterization of tem. the results show that the size and size distribution of sn are mainly controlled by the interfacial strength of microreactor, and the interfacial strength of microreactor is chiefly influenced by w value ( the molar ratio of water / surfactant ) and concentration of starch

    利用所得到的w o型澱粉微乳液作為微型反應器,以環氧氯丙烷為交聯劑制備出澱粉納米粒,並藉助透射電鏡的表徵研究了各制備因素的影響,研究結果表明:澱粉納米粒的粒徑及粒度分佈主要受微型反應器的界面強度控制,而影響界面強度的因素主要是r值(即水與表面活性劑的摩爾比值)及澱粉液濃度。
  3. The study conducted research on the following four fields : firstly, the characteristics of the interfacial polymerization system of piperazine aqueous solution / trimesoyl hexane solution were systematically investigated. the results show that at a certain molar ratio between the two monomers, piperazine and trimesoyl, at the two phase interface, a dense functional layer of ultra low pressure, high permeating flux and high salt rejection formed by controlling the time of interfacial polymerization, such as the composite membrane ( i ), the concentration in water phase is 0. 4 %, and 0. 1 % in organic phase, and the polymerization time is 1 minute

    本文主要進行了四個方面的研究,首先系統分析和研究了哌嗪水溶液均苯三甲酰氯正己烷溶液界面聚合體系特徵、界面聚合反應中各影響因素對膜性能的影響等,結果發現,當界面處兩相單體(哌嗪和酰氯)分子摩爾比為某一比值時,通過控制界面聚合時間(有機相處理時間) ,可以形成超低壓高通量高脫鹽的緻密功能層,如復合膜( ) ,水相濃度為0 . 4 ,有機相濃度為0 . 1 ,聚合時間1min 。
  4. An improved hard - sphere model predicted rightly the changing trend of the standard partial molar volume of alkyl chain of amino acids with concentration of electrolyte, and confirmed the assumption that the sum of standard partial molar volumes of ch and ch3 groups is twice as many as the standard partial molar volume of ch2 group

    摘要根據改進的硬球混合物模型,正確預測了氨基酸分子的烴鏈在電解質水溶液中的標準偏摩爾體積隨電解質濃度的變化關系,並證實了「氨基酸分子中ch和ch3基團的標準偏摩爾體積之和是ch2基團標準偏摩爾體積的2倍」這一假定。
  5. The preparation conditions of composite were optimized, including the initiator concentration ( naoh ) and the molar ratio of aldehyde to amine

    結果表明,聚甲亞胺的醛端基與引發劑氫氧化鈉發生了cannizarro反應,從而對復合材料的制備產生阻聚影響。
  6. The catalytic activity of ( hmbp ) 2ticl2was lower than - diketonate titanium catalysts. the catalytic activity of dinuclear - diketonate titanium catalysts was comparative to mononuclear ones. however, the dinuclear - diketonate titanium catalyst showed the synergism effect, for example, the lower catalyst concentration and the molar ratio of al to ti, the activity reached the maximum value at 80, the melting temperature of polymer was enhanced

    2 -羥基苯酮鈦[ ( hmbp ) _ 2ticl _ 2 ]的催化活性低於-二酮鈦類催化劑;雙核催化劑在催化活性方面與對應單核催化劑相差不多,但在聚合規律上表現出與單核催化劑不同的雙核協同作用,如聚合所需的催化劑濃度、助催化劑甲基鋁氧烷mao量降低,活性在80時出現極值,熔點提高等,而且雙核催化劑是單活性中心催化劑。
  7. 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。
  8. All kinds of testing result and analysis indicated that keep the same aluminum concentration ; the range of current density getting good aluminum coating can be accreted with the increased of aluminum chloride concentration. when the molar ratio of alcb and lialrj is 5, the current density can be 10a / dm2

    各種測試結果和分析表明,在總的鋁濃度不變的情況下,獲得良好鍍層所使用的電流密度范圍可隨氯化鋁濃度的增加而增大,當alcl _ 3與lialh _ 4的摩爾比為5時,可使用的電流密度達到10a dm ~ 2 。
  9. In this paper, through the cfd modeling of the ash - agglomerated fluidized bed gasifier, the gas molar concentration distributions in the bed with the influences of the oxygen flow rate from the central nozzle, the steam flow rate from the distributor and the pressure of the bed are studied

    摘要通過cfd模擬了灰熔聚流化床氣化爐,考察了操作條件包括中心管氧氣量、分佈板水蒸氣量以及操作壓力對流化床氣化爐的氣相濃度分佈的影響。
  10. 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 。
  11. 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。
  12. The effects of the concentration, the molar ratio of mao to the metallocene c3 or c4 and the polymerization temperature on the polymerization activity were also investigated individually

    這為進一步研究兩種催化劑的復配奠定了基礎。並且發現在雙亞胺基吡啶鐵配合物與茂金屬復配時存在共單體效應。
  13. The copolymerizations of p - methylstyrene and styrene, styrene and ethylene were also investigated using some of these catalytic systems. the three kinds of catalysts showed their own polymerization principles. the changes of polymerization activity and polymer properties depended on the structure of complexes, different polymerization conditions such as the catalyst concentration, the molar ratio of al to ti, the polymerization temperature and reaction time

    三類催化劑催化苯乙烯和p -甲基苯乙烯均聚時都有各自一定的聚合規律,不同的配體結構,聚合條件催化劑濃度、鋁鈦比、聚合溫度和反應時間對聚合活性以及聚合物的性質有很大影響。
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