selectivity solvent 中文意思是什麼

selectivity solvent 解釋
選擇性溶劑
  • selectivity : n. 1. 選擇；精選。2. 【無線電】選擇性；選擇度；【物理學】選擇能力；選擇率。
  • solvent : adj. 1. 有溶解力的，可溶解的；〈比喻〉使（信仰等）瓦解[削弱]的 （of）。2. 有償付能力的。n. 1. 【化學】溶劑，溶媒 （of for）。2. 解釋，說明。3. 使瓦解的東西。
  1. The dual - bath coagulation method suggested by j. a. va n ' t hof could be used in membranes with high selectivity clearance rate of low - molecular weight substances and moderate water flux theoretically. therefore it may be applied in the field of hemofiltration. to improve and optimize the performance of the pes ultrafiltration membrane applied in the hf, here the flat membranes and hollow fiber ( hf ) membranes are made in certain conditions based on the dual - bath coagulation method where pes is used as the membrane material, dmso as solvent and pvp & peg as additives this paper includes five parts as follow : 1

    為了改善和優化聚醚碸超濾膜（單浴法）在血液過濾實際應用中的性能，本論文以j . a . van ' thof等提出的雙凝固浴法為基礎，以聚醚碸（ pes ）為主要成膜材料，以二甲基亞碸為溶劑，並添加一定分子量的致孔劑（ pvp ，聚乙烯吡咯烷酮）以及一定分子量的添加劑（ peg ，聚乙二醇）按照一定配比在一定溫度下製成透明均一的鑄膜液，靜置脫泡后在一定的工藝條件下製成聚醚碸平板膜和中空纖維膜，然後通過測試膜的結構和性能來評估其用於血液過濾中的前景。
  2. Recently, study on solvent polymeric membrane ( spm ) anion selective electrodes based on metal complexes as neutral carrier and exhibiting anti - hofmeister selectivity pattern is an important project in the fields of electrochemistry and electroanalytical chemistry

    近年來，以金屬配合物作為中性載體且呈現anti - hofmeister行為的陰離子選擇性電極是電化學和電分析領域中公認的活躍研究課題。
  3. New solvent polymeric membrane electrodes based on schiff base complexes of [ mn ( hi ) - bsapc ] and [ mn ( iii ) - bsapdca ] are first described, which demonstrate excellent selectivity toward iodide ion

    詳細研究了高靈敏度高選擇性碘離子電極中性載體? ?過渡金屬配合物分子的設計、合成及其作為電極載體對碘離子的選擇性電位響應特性。
  4. Abstract : six quasi - ternary liquid - liquid equilibria systems between benzene, toluene, p - xylene, n - heptane, methyl - cyclohexane and n - formylmorpholine ( nfm ) + water have been determined at normal pressure and 60 ; the conjugate phase compositions and the contribution curves of these quasi - ternary liquid - liquid equilibria systems were obtained ; the experimental data were correlated using uniquac and nrtl models ; the plait points of these systems were obtained by the constructive fitting for the conjugate phase and parameter predicting methods ; the selectivity and contribution coefficients of the solvent to the solutes were calculated

    文摘:用液液平衡釜測定了常壓， 60下加水n -甲酰嗎啉和苯、甲苯、對二甲苯、正庚烷、甲基環己烷組分間6個擬三元體系的液液平衡，得到了擬三元液液平衡體系的共軛相組成和分配曲線；實驗數據用uniquac和nrtl模型進行了關聯；用共軛相作圖擬合法和模型參數推演算法獲得了各體系的褶點數據；並求得了溶劑對溶質的選擇性和分配系數。
  5. The experimental data are correlated by using uniquac and nrtl models, and the model parameters of this system have been obtained respectively, and the selectivity coefficients of the extracted solvent to solutes were calculated

    實驗數據用uniquac和nrtl模型進行關聯，分別得到了三元體系的模型參數，並求得了萃取溶劑對溶質的選擇性系數。
  6. The activity and selectivity of enzyme in non - aqueous solvent is different from that in aqueous media. and the selectivity of enzyme can be improved by regulating solvents

    摘要酶的活性和選擇性在非水介質中與在水中有很大的差別，通過改變溶劑可改變酶的選擇性。
  7. In addition, the extractive distillation process with mixed solvents have a better performance and a wider use compared with that with single solvent in the same condition, and it can not only overcome conflict of single solvent ' s selectivity and solubility, but also not increase the complexity of original technology

    另外，混合溶劑萃取精餾過程與簡單溶劑萃取精餾過程相比，克服了簡單萃取劑自身選擇性與溶解性之間的矛盾，提升了萃取精餾工藝的分離效果及使用范圍，並且沒有增加原有工藝過程的復雜性。
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