molar ratio 中文意思是什麼

molar ratio 解釋
克分子比率
  • 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...
  • ratio : n. (pl. ratios)1. 比,比率,比值;比例;系數。2. 【經濟學】復本位制中金銀的法定比價。vt. 1. 用比例方式表達;求出…的比值;使…成比例。2. 將(相片)按比例放大或縮小。
  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. The microemulsion - mediated synthesis of hydroxyapatite offers the unique ability to control particles size, morphology and surface properties. aot / isooctane / water microemulsions admit to form spherical water cores, which in diameter depends linearly on the water content w ( water - surfactant molar ratio )

    Aot異辛烷水體系可以產生穩定的球形的水核,並且其水核的直徑與體系的含水量w (水與表面活性劑aot摩爾濃度之比)呈對應關系。
  3. 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。
  4. For the first time, agbr organosol was obtained by using oleic acid to extract and modify the agbr nanoparticles in hydrosol. and the optimum molar ratio of oleic acid to agbr nanoparticles was found. agbr nanoparticles, modified by oleic acid were mixed with mma

    首次採用油酸萃取並包覆了水溶膠中的agbr納米粒子,制備了agbr有機溶膠;並找到了萃取率最佳時的油酸與agbr的摩爾比;再將油酸包覆的agbr摻雜到甲基丙烯酸甲酯中,進行本體聚合,從而制備了agbr光致變色有機玻璃。
  5. Based on orthogonal test, the factors influencing the synthesis of di - n - propyl phosphite, such as reaction temperature, reaction time and molar ratio of reactant, were investigated

    通過正交優化試驗,考察了溫度、時間和物料配比對二正丙基亞磷酸酯的合成收率的影響。
  6. 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 。
  7. Molar ratio of 111 in methanol - dmf mixed solution. single - crystal x - ray diffraction analysis shows that it consists of a cyano - bridged chain structure. the nd atom is eight - coordinate with a distorted square antiprism geometry. each cr

    摩爾比為111在甲醇- dmf混合溶劑中自組裝得到。由x -射線單晶衍射結構分析得知其屬于單斜晶系,空間群為
  8. 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。
  9. 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。
  10. 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。
  11. The activity of different solid acids and influences of reaction temperature, molar ratio of benzene and nitrating agent on benzene nitrofication were discussed

    討論各種固體酸催化劑對苯硝化的催化活性、反應溫度、苯與硝化劑物質的量比等工藝條件對硝基苯基本收率的影響。
  12. 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 。
  13. In addition, simultaneously interpenetrating polymer networks ( sin ) damping materials were originated from polysiloxane oligomer - containing different molar ratio methylphenylsiloxane and different methacrylate. applying the weight method and ftir monitor on line, the synthesis reaction procedure of polyacrylate copolymer and sin was traced. the polymerization mechanism of the functional groups with vulcanizing capability, aid - vulcanization action of bim as well as the sin structures were elucidated by 1h nmr and 13c nmr

    採用稱量法和ftir在線追蹤,對合成聚丙烯酸酯共聚彈性體和sin的反應動力學進行了研究,並用~ 1hnmr和~ ( 13 ) cnmr等對硫化官能團的引入,雙馬來酰亞胺助硫化機理,和sin的結構進行了表徵。
  14. 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 。
  15. 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。
  16. The development of a two - component elastic polyurethane sealing material for the anti - seepage of channel is described herein, and then the performed polymer structure, the molar ratio of iaocyanate to hydroxide radical and the effects from the components of the compounded curing agent on the performance of the material are discussed as well

    摘要介紹了一種用於管道防滲止水的雙組分聚氨酯彈性密封材料的開發,並討論了基劑預聚體聚合物結構、異氰酸酯和羥基的摩爾比以及復合固化劑組分對材料性能的影響。
  17. The factors influencing on the yield of benzyl propionate, such as the dosage of catalyst, molar ratio of benzyl alcohol to propionic acid, reaction time and the amount of cyclohexane and so on, were investigated

    考察了催化劑用量、苯甲醇與丙酸物質的量比、反應時間和帶水劑環己烷用量等因素對丙酸芐酯收率的影響。
  18. Meanwhile, the reaction conditions for synthesis of propaphos, such as reaction temperature, reaction time, molar ratio of reactant were investigated, and the optimal one were found as the following : molar ratio of 4 - ( methylthio ) phenol, phosphite and sodium hydroxide 1 : 1. 4 : 2. 3, reaction temperature 70, reaction time 2 h

    同時,較系統地考察了高選擇性有機磷殺蟲、殺菌劑丙蟲磷的合成的工藝條件如反應溫度、反應時間、縛酸劑種類以及縛酸劑的用量。
  19. 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 。
  20. In part 1, the oligomerization of ethylene was investigated by the iron - based catalyst 1, 2, 3 and 4. the molar ratio of aluminoxane, mao as co - catalyst, to the iron - based catalyst and the reaction temperature had some influence on the activity and the distribution of the oligomers

    在催化劑性能的評價中,合成了4種雙亞胺基吡啶鐵配合物,評價了mao用量、反應溫度對其催化乙烯齊聚活性的影響,並研究了濃度、 mao用量、反應溫度等反應條件對茂金屬催化劑催化乙烯均聚活性的影響。
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