溶劑選擇性 的英文怎麼說

中文拼音 [róngxuǎnzháixìng]
溶劑選擇性 英文
solvent selectivity
  • : 動詞(溶化; 溶解) dissolve
  • : Ⅰ名詞1 (藥劑; 制劑) a pharmaceutical or other chemical preparation 2 (某些有化學作用的物品) a...
  • : Ⅰ動詞1. (挑選) select; choose; pick 2. (選舉) elect Ⅱ名詞(挑選出來編在一起的作品) selections; anthology
  • : 擇動詞(挑選) select; pick; choose
  • : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
  • 溶劑 : dissolvant; solvent; resolvent; solventia; menstruum
  • 選擇 : select; choose; opt; election; choice; culling; alternative
  1. In order to elaborate the app licability of osl to loess, especially single aliquot regenerative protocol ( sar ), involving stimulation of the same disc with an infra - red laser diode followed by blue leds to polymineralic fine - grains of loess, such explanations as light bleaching, preheat, anomalous fading, prior - ir exposure were investigated in this paper. for drawing adequate coarse grains from loess, quartz and feldspars, as well as loess, were etched by hydrofluoric acid and fluorosilicic acid. the sequence of ages of holocene loess in weihe rivier basin has been established by single - aliquot ( sar ) and multiple - aliquot using fine - grains and sar using coarse - grains

    本文通過渭河流域全新世黃土的光曬退實驗,地表黃土樣品的d _ e值測定,細顆粒單片的預熱、反常衰退、紅外暴露實驗,說明釋光測年在全新世黃土中應用的可行及單片再生量法( sar )在黃土細顆粒中的適用;為了從黃土中分離出足夠的粗顆粒,進行了純石英和長石的氫氟酸( hf )和氟硅酸( h _ 2sif _ 6 )蝕實驗,黃土粗顆粒石英蝕分離實驗;通過細顆粒單片、多片的blsl 、 irsl和post - irosl ,熱釋光,及粗顆粒石英的blsl的年代測定,適于全新世黃土的釋光測年方法,並建立了渭河流域全新世黃土的年代序列。
  2. They can convert plasminogen into plasmin and thus degrade fibrin. despite the widespread use of established thrombolytic agents such as streptokinase, t - pa and u - pa, all these agents suffer from a number of inadequacies including resistance to reperfusion, occurrence of coronary reocclusion and bleeding complications

    一些pa突變體及新型,如k2p tnk - pa和star等的臨床實驗結果表明它們在延長體內半壽期增強對血纖維蛋白栓效率等方面有較大的改進。
  3. Series full - auto pipe expander with drawing device and program interface is used with extruding machine. it is also used solitarily, while expanding pipes, the machine adopts translation, the action is steady and corret, it does not damage pipe materical, the machine adoptes double - infrared heating oven type, each oven is equipped with heating cire, the shaping method adopts expanding - end shaping, the size of pipe mouth is correct. on its panel, there is a transfer swith of expanding solvent type pipe socket ( straigh port ) and expanding sealloop type pipe socket ( rport ). the choice of expanding pipe type is very convenient, the technologocal adaptability is strong, its main electric control elements are all imported. the syetem charecteristics are steady and reliable

    配有與主機配套的接料牽引裝置和相應的程序介面,既能與擠管主機聯線使用,又可以作單機使用;擴管時管材的移動均採用平移方式,動作平穩準確而且不易損傷管材;這種機型採用紅外線加熱方式且為雙加熱爐型,每個加熱爐都配有中心加熱爐芯;成型方式均採用擴管頭定型方式,管口成型尺寸準確;該機型在控制面板上設有擴型承介面(直口)和擴彈密封圈型承介面( r口)的轉換開關,擴管方式十分方便,工藝適應強;主要的電器控制元件均採用進口元件,系統能穩定可靠。
  4. The quest continues for plasminogen activators with higher potency, specific thrombolytic activity, fibrin selectivity and longer half - life time. the recent progress in the protein engineering of plasminogen activators, including t - pa, u - pa, streptokinase, staphylokinase and other novel plasminogen activators, was presented in this article

    一些pa突變體及新型,如k2p tnk - pa和star等的臨床實驗結果表明它們在延長體內半壽期增強對血纖維蛋白栓效率等方面有較大的改進。
  5. In this study a microbial system for biphenyl biodegradation is set up in order to investigate the effects of surfactants on biodegradation of hydrophobic organic compounds. four strains which can grow on biphenyl as the sole carbon and energy sources are selected out, in which alcaligenes eutrophus dj1 and pseudomonas sms02 are chosen as degradation strains. after studing the bioavailability of three nonionic surfactants ( op - 10, tween - 80, and triton x - 100 ), they are added into the biodegradation system of biphenyl

    為了考察表面活對疏水有機污染物生物降解的影響,本論文聯苯作為模擬研究體系,篩、馴化得到四株可利用聯苯作為碳源生長的菌株;考察了聯苯降解菌株對三種非離子表面活op - 10 、 tween - 80 、 tritonx - 100的生物可利用;用高效液相色譜法測定了非離子表面活對聯苯的增曲線;較系統地研究了加入非離子表面活對聯苯生物降解速率的影響。
  6. The high - efficiency cleaning agent and optimum conditions were chosen and it has some guiding significance on practice. the main tasks include : by the contrastive experiments of sodium tripolyhosphate, sodium hexametaphosphate, na2edta and na4edta dissolving caso4, na2edta and n ^ edta were chosen as cleaning agents in this experiment

    主要包括:通過對三聚磷酸鈉、六偏磷酸鈉、乙二胺四乙酸二鈉、乙二胺四乙酸四鈉四種螯合對硫酸鈣對比實驗,最終乙二胺四乙酸二鈉和乙二酸四乙酸四鈉作為本實驗清洗
  7. Solvent refined a refining technique to improve the quality of based oils using selective extraction of undesirable components by means of solvents

    精製-利用作為于段(利用方式? ) ,有地萃取不需要的組份,進而提高基礎油質量的一種精製工藝。
  8. Design, synthesis and application of highly selective neutral carriers are main research subjects in the ion selective electrode studies

    聚合膜( spm )離子電極載體的設計、合成和應用是離子電極研究的一個重要方向。
  9. The effect of amorphous hydrated ruo _ 2 power production is discussed here, including : selection and ratio of solvent, selection and concentration of precipitator, terminal ph of titration and anneal temperature and time of colloid. research indicated that terminal ph and anneal temperature are the most important influence factors on physical and electrochemical properties of amorphous hydrated ruo _ 2 power

    討論了超細氧化釕粉體的制備影響因素,包括:和配比、沉澱和濃度、滴定終點ph值以及焙燒溫度和時間對氧化釕粉體粒度分佈及電化學的影響,研究表明:沉澱終點ph值以及膠體焙燒溫度對粉體物理和電化學能影響較大。
  10. A novel aqueous two - phase system can be formed by the mixtures of a polymer and cationicanionic surfactants. such a system can be used as a partitioning system of proteins. in this work, we investigated the formation, phase behavior and protein partitioning in aqueous two - phase systems formed by dodecyltriethylammonium bromide / sodium dodecylsulfate / peg and dodecyltriethylammonium bromide / sodium dodecylsulfate / dextran. the ligands with affinity were attached to the polymers and the affinity partitioning of proteins was investigated. it was shown that the surfactants and polymers are enriched in different phases of aqueous two - phase systems. phase separation are promoted by increasing temperature and adding inorganic salts. different proteins are partitioned in different phases. the selectivity of protein partitioning is increased by adding ligands with affinity

    報道了由正負離子表面活與高聚物混合液形成的一種可用於蛋白質的分離及分析的新型雙水相萃取體系.研究了正負離子表面活(溴化十二烷基三乙銨/十二烷基硫酸鈉)分別與葡聚糖和聚乙二醇混合雙水相體系的形成規律、相行為及牛血清蛋白和菌酶在雙水相體系中的分配.通過在高聚物分子中接上親和配基,研究蛋白質在雙水相體系中的親和分配.結果表明,在該體系中,表面活與高聚物分別富集於不同相中.升高溫度及加入無機鹽均可促進雙水相體系的形成,不同蛋白質可分配于不同的相中.親和配基的引入極大地增強了蛋白質分配的
  11. In tape casting process, the mixture of xylene and propanol were used as the solvent of the slurry. the more suitable dispersing agent - s80 was selected as the suitable dispersing agent in the slurry to fit the solvent after the preparatory experiment. the influence of alumina powder content, the ratio of plasticizer and binder not only on the viscosity of the slurry but also on the pliability of green tape were investigated,

    二甲苯和異丙醇混合液作適合的分散,並研究了氧化鋁固含量、塑與粘結的比值( r )對漿料粘度的影響,以及氧化鋁固含量、 r值和復合塑的不同配比對素坯能的影響。
  12. Micellization of block copolymers in selective solvents was reviewed with 69 references. the structure, kinetics, dynamics and hydronamics behavior of the formation of block copolymer micelles were discussed

    綜述了近20年來在中嵌段聚合物締合行為的研究進展,探討了膠束結構、表徵方法及膠束形成的熱力學、動力學和流體力學。
  13. Abstract : micellization of block copolymers in selective solvents was reviewed with 69 references. the structure, kinetics, dynamics and hydronamics behavior of the formation of block copolymer micelles were discussed

    文摘:綜述了近20年來在中嵌段聚合物締合行為的研究進展,探討了膠束結構、表徵方法及膠束形成的熱力學、動力學和流體力學。
  14. Cheanyeh cheng, shiang - rong tsai ( 2002 ), “ enantioselective reduction of phenyl n - propyl ketone in saccharomyces cerevisiae mediated biphasic culture ”, the 7th international symposium for chinese organic chemists, national tsing hua university

    鄭建業,蔡向榮( 2001 ) , 「以掌高效液相層析探討1 -苯基- 1 -丁酮之水/正己烷二相系統中生物還原反應」 ,中國化學會九十年度年會,國立成功大學,臺南市
  15. 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;並求得了質的和分配系數。
  16. Abstract : the method of using formaldehyde buffer solution a b sorption - hydrochloric pararosaniline spectrophotometry to determine sulfur diox ide in air has higher sensitivity and good selectivity, and prevents from adoptin g mercurial absorbent. but the conditions in lab are not well controlled, the v alue of reagent blank and standard curvilinear slope can ' t accord with the one s tipulated in “ methods for air and waste gas monitoring and analysis ”. some opra tional techniques for so2 determination in lab are introduced for reference

    文摘:以甲醛緩沖液吸收-鹽酸副玫瑰苯胺分光光度法測定空氣中的二氧化硫,方法靈敏度高,好,避免了使用含汞的吸收液,但如果實驗條件控制不好,試空白值及標準曲線的斜率就會不符合《空氣和廢氣監測分析方法》中規定的值,本文著重從操作技巧方面對二氣化硫測定的實驗室質量控制進行分析,僅供參考。
  17. 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,並求得了萃取質的系數。
  18. 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

    摘要酶的活在非水介質中與在水中有很大的差別,通過改變可改變酶的
  19. 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,混合萃取精餾過程與簡單萃取精餾過程相比,克服了簡單萃取自身之間的矛盾,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
  20. The selectivity and activity of enzyme in the reaction media, especially in ionic liquids and supercritical liquids was reviewed in the paper

    文章以分類,探討,特別是引入新的反應介質離子液體和超臨界流體對酶催化活的影響。
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