醇基體系 的英文怎麼說

中文拼音 [chún]
醇基體系 英文
alcoholbase systemm
  • : Ⅰ名詞1 [書面語] (含酒精多的酒) mellow wine; good wine2 [化學] (有機化合物的一大類 含羥基的烴化...
  • : 體構詞成分。
  • : 系動詞(打結; 扣) tie; fasten; do up; button up
  1. Manufacturer of organic bromine compounds in india. products include alkyl, acetyl, and allyl bromides, bromo - aromatics, and ethylene dibromide, for use as intermediates in fine chemical and pharmaceutical manufacture

    -提供紫外線吸收劑benzophenone列和醫藥中間:琥珀酸單乙脂酰氯羅紅側鏈二環乙碳二亞胺溴乙醛縮二乙等的單位。
  2. The present work indicates the organic nf membranes and the inorganic nf membranes all have shortages, so develop composite nf membranes that have low cost, mechanically strong and thermally / chemically - resistant, easy to cleanout and good performances is a very important task. in this paper, the preparation of inorganic - organic composite nf membranes were presented. this composite comprise a porous sio2 / al2o3 support substrate, the pore diameters of which ranging from 10 to 15 nm, this inorganic support substrate having a polymer membrane which comprises an polyvinyl alcohol ( pva ) or polyamide ( pa ) densely deposited on at least one of the face surfaces thereof, the structural porosity of such pva and pa membrane ranging from 3 to 5 nm

    本論文以開發無機?有機復合納濾膜為出發點,首先在al _ 2o _ 3多孔微濾膜上利用溶膠?凝膠法制備sio _ 2 al _ 2o _ 3無機復合超濾膜作為無機?有機復合納濾膜的膜;選用聚乙烯和聚酰胺為表面功能層材料,分別探討了以羥丁二酸和磺水楊酸為混合交聯劑,採用浸塗法制備了聚乙烯sio _ 2 ? al _ 2o _ 3復合納濾膜;以均苯二甲酰氯、哌嗪和二胺為單,採用界面聚合法制備了聚酰胺sio _ 2 ? al _ 2o _ 3復合納濾膜,並對影響膜性能的諸多因素進行統研究。
  3. An overview of the preparation and photoluminescence properties of zno colloids, powders with different morphology and thin films was presented. quantum - size 2 - propanol zno colloids, hydrosol and powders / thin films were prepared by sol technology, and were characterized by xrd, tem, xps, ir, uv - vis, tg, afm and laser granulometry methods

    本文在統總結zno膠、不同形貌納米晶、薄膜的制備和熒光性質的礎上,採用溶膠法制備了量子尺寸的zno異丙溶膠和水溶膠,制備了納米zno粉及其薄膜。
  4. ( 1 ) the pbs nanoparticles were prepared in quaternary system containing p - octyl polyethylene glycol phenylether ( op ) / n - pentanol / cyclohexane / aqueous solution by different homogenization methods, such as shake by hand, stir by machine and disperse by ultrasonic

    本論文的主要內容如下: ( 1 )採用乳化劑op (聚乙二醚)正戊環己烷水溶液四組分,不同均化手段(手搖、攪拌、超聲)制備納米pbs 。
  5. The substitution of pervaporation for traditional separation in organic mixtures is of energy - saving and environment - protecting significance. in this paper, pervaporation of two kinds of organic mixtures is investigated : one is using ca membrane and ca - eva ( ethylene - co - ethylene acetate ) composite membrane for methanol removal from mtbe ( methyl t - butyl ether ), focused on the influence of casting solvent mixtures ; the other is utilizing proper membrane stuff and additive to separate p - xylene from m - xylene

    本文對兩類有機有機混合進行了滲透汽化膜過程的研究,其一為醋酸纖維素( ca )膜及ca -乙烯醋酸乙烯共聚物( eva )復合膜用於甲特丁醚( mtbe )中少量甲( 5 meoh )的脫除,探討鑄膜混合溶劑及后處理技術對膜分離性能的影響。其二為運用適當的膜材料及添加劑去除間二甲苯( mx )中的少量對二甲苯( 10 px ) 。
  6. As a spiritual phenomenon particularly possessed by the human kind, belief is driven by human kind ' s instinct of exceeding finity and imperfectibility, as well as pursuing infinity and immutability. belief contains very complex structure and social content. it has many forms with moral belief as an important one. moral belief refers to the strong and well - formed belief of some moral model, regulation system and moral ideal, with deep and firm passion and strong responsibility to perform one ' s obligation, moral belief is the conformity of moral understanding, moral sensibility and moral will on the base of moral practice. moral belief can maintain the authority of morality substantially, promote the consciousness of moral body, realize the moral solicitude towards self, society and nature, and create the moral custom of rational self - discipline

    信仰具有極為復雜的結構和社會內容,表現為多種形式,道德信仰是其中一種重要的形式。道德信仰是指道德主對某一道德模式、規范和道德理想深刻而有根據的堅信,厚且執著的情感以及對履行道德義務的強烈責任感,是道德認識、道德情感和道德意志在道德實踐礎上實現的有機統一。道德信仰能通過信仰的形上神聖性從根本上維護道德的權威,促成外在道德規范在道德主行為中的自覺現,實現人對自身、人對社會以及人對自然的道德關懷,營造理性自律的社會道德風尚。
  7. Objective : l. to measure the levels of basal serum follicle stimulating hormone ( fsh ), luteinizing hormone ( lh ), estradio ( e2 ) in peripheral blood in natural menstrual cycle and to investigate the correlations between the hormones and ivf - et outcome. 2. to measure the levels of fsh lh e2 in peripheral blood in controlled ovarian hyperstimulation ( coh ) cycle and to investigate the correlations between the hormones and ivf - et outcome

    目的: 1 、測定控制超排卵患者控制超排卵周期前礎外周血促卵泡素( fsh ) 、黃生成素( lh ) 、雌二( e _ 2 )水平,並探討其與外受精-胚胎移植( ivf - et )結果的相關關
  8. The nucleotide ( nt ) sequence of the insert in phz1754 is 2299bps in size. computer assisted analysis of the sequence revealed an open reading frame ( orf ) with a g + c content of 70. 3 % that would encode a protein of 552 amino acids ( aa ). the nt seque nce comparision revealed that the orf in the sequenced region exhibits 85 % dna sequence homology with the cholesterol oxidase gene choa of streptomyces sp

    對phz1754進行外切核酸酶( exonuclease , exo )順序缺失,獲得單向長度漸減重疊的列突變,核苷酸序列測定顯示出該ecor - sal片段的精確大小為2299bps , frameplot程序分析揭示出該區域一個完整的開放閱讀框( orf )的存在,其大小為1656bps , g + c含量為70 . 3 ,編碼552個氨酸,利用blastsearch程序將orf的核苷酸序列及推導的氨酸序列與因特網上因及蛋白質數據庫進行綜合比較,發現無論在核苷酸水平還是在蛋白水平上,該orf均與膽固氧化酶表現出同源性,而且與鏈黴菌膽固氧化酶同源性最高,說明該orf編碼膽固氧化酶因。
  9. ( 2 ) in order to optimize the condition of analysis for the chosen direct spme system, the chosen components are : chloroform, acetic acid, n - amylalcohol, n - butyl acetate, dmf, p - xylene, cyclohexanone, aniline, phenol

    ( 2 )對選擇的直接spme進行了分析測試條件優化,選擇的組分為:三氯甲烷,乙酸,正戊,乙酸丁酯, n , n -二甲甲酰胺,對二甲苯,環己酮,苯胺,苯酚。
  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性劑與高聚物混合溶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.研究了正負離子表面活性劑(溴化十二烷三乙銨/十二烷硫酸鈉)分別與葡聚糖和聚乙二混合雙水相的形成規律、相行為及牛血清蛋白和溶菌酶在雙水相中的分配.通過在高聚物分子中接上親和配,研究蛋白質在雙水相中的親和分配.結果表明,在該中,表面活性劑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的形成,不同蛋白質可分配于不同的相中.親和配的引入極大地增強了蛋白質分配的選擇性
  11. The bp neural network was employed to analyze the relationship between the crosslinking monomers and crosslinking degree

    運用bp神經網路對交聯單三乙二二丙烯酸酯、甲丙烯酸縮水甘油酯、十一烯酸用量與交聯度的關進行了分析。
  12. Abstract : study is made of recovery of organic reagents during the preparation of ultrafine powder by metal alcoxides hydrolysis. the phase diagrams of isopropanol - benzene system and isopropanol - benzene - water system have been plotted, based on which, isopropanol and benzene can be recovered and recirculated by distillation - rectification process. the recovery and reused rate of alcohol and benzene are above 75 %. so both the environmental pollution and cost of ultrfine powder are reduced

    文摘:對鹽水解法制備超細粉末過程中有機試劑的回收進行了研究,繪制了異丙-苯的二元相圖和異丙-苯-水的三元相圖,在此礎上採用蒸餾-精餾的方法對制備中的異丙和苯進行回收,將有機試劑循環使用,使和苯的回收利用率達75 %以上,因而減少了環境污染,並降低了粉末成本。
  13. Dihydroxybenzyl alcohol is synthesized from 3, 5 - dihydroxybenzoic acid by acylation and reduction by sodium borohydride reagent systems, which gives a convenient synthetic method

    摘要以3 , 5 -二羥苯甲酸為原料,經酰化、硼氫化鈉還原還原,合成了3 , 5 -二羥苯甲
  14. Alcohol base system

    醇基體系
  15. The liquid - liquid equilibrium data of ternary dem - ethanol - glycerin system have been determined at atmospheric pressure and different temperatures of 20, 40 and 60 ? c, the conjugate phase compositions and thereout the contribution curves of this ternary liquid - liquid equilibrium system have been obtained

    摘要在常壓, 20 、 40 、 60下,測定了二乙氧甲烷乙丙三三元的液液平衡數據,得到了三元液液平衡的共扼相組成並由此繪得相平衡曲線。
  16. Polymer dispersed liquid crystal ( pdlc ) films are prepared from photo - polymerization of ( cholesteryl acrylate / 2 - hydroxyethyl methacrylate / liquid crystal ) mixtures induced by ultraviolet radiation

    摘要選用丙烯酸膽固酯甲丙烯酸-羥乙酯液晶復合,在紫外光照射下制備聚合物分散液晶薄膜。
  17. A mathematical model for continuous cross - flow ethanol - water pervaporation process was developed. under the given operating conditions, the caculation data of water content in permeate agreed well with the experimental data. these contrast can be used to optimize the operating conditions

    對實驗的滲透汽化過程建立連續操作錯流模型,通過該模型對滲透汽化過程分離乙/水進行了數學模擬,模擬計算值與實驗值本吻合。
  18. Different expression systems were constructed using different expression vector including pet - his and e. coli topi of " and bl21 host cells

    利用pet - his等不同表達載和大腸桿菌top10f 、 bl21 ( de3 ) plyss表達宿主菌,成功構建了膽固氧化酶因的不同原核表達統。
  19. The influence of retarder on the seaing time and ultimate strength of gypsum plaster was investigated in this paper. the experimental results indicate that the effect of single retarder, such as citric acid, is inferior to that of composite retarder which was made of blending citric acid with a few portland cement ( about 0. 5 ?, by weight ). the effect of different water - retention agents, such as polyvinyl alcohol ( pva ), carboxymethyl cellulose ( cmc ), and na - bentonite, etc., was also studied, and the results demonstrate that by means of adding organic and inorganic water - retention agent simultaneously the water - retention of plastering slurry can obviously be improved. the optimal mix proportion of gypsum plaster suitable to finish coat of walls and ceilings of buildings has been got by use of factorial experiment with orthogonal array accounting for interactions between factors each other

    研究了分別以檸檬酸、檸檬酸與普通硅酸鹽水泥復合物作緩凝劑,調節粉刷石膏的凝結時間,並對比2種緩凝對石膏抗折、抗壓強度的影響.比較不同保水劑(聚乙烯、羧甲纖維素)以及相同量的保水劑在不同工藝流程下保水效果上的區別.探索了有機保水劑和無機保水劑對粉刷石膏的保水性的影響.結果表明,檸檬酸與普通硅酸鹽水泥的復合緩凝劑比單純的檸檬酸更能有效地延緩建築石膏的凝結,同時建築石膏的抗折、抗壓強度降低幅度減小
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