聚乙三醇 的英文怎麼說

中文拼音 [sānchún]
聚乙三醇 英文
polyethy leneglycol
  • : 動詞(聚集; 聚積) assemble; gather; get together
  • : Ⅰ數詞1. (二加一后所得) three 2. (表示多數或多次) more than two; several; many Ⅱ名詞(姓氏) a surname
  • : 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...
  1. The annual productive capacity of the major products are : 13. 8 thousand tons of melamine, 400 thousand tons of urea, 100 thousand tons of calcium carbide, 4000 tons of dicyanamide, 11 thousand tons of white carbon black, 10 thousand tons of edible liquid co2, 20 thousand tons of calcium cyanamide, 30 thousand tons of methanol, 10 thousand tons of formaldehyde, 50 thousand tons of n. p. k. compound fertilizer, 200 tons of guanidine nitrate and 500 tons dissolved acetylene. the calcium carbide is the fine quality product awarded by the state

    主要產品生產裝置能力為:年產總氨28萬噸,實物尿素45萬噸氰胺1 . 35萬噸精甲3萬噸食品二氧化碳1萬噸電石10萬噸石灰氮2萬噸雙氰胺4000噸溶解炔500噸甲醛5萬噸白炭黑1 . 2萬噸熱電廠裝機容量3 . 6萬千瓦,年發電3億千瓦時,供熱450萬吉焦耳機械廠年機加工量2000噸綜合廠復混肥5萬噸。
  2. Chiral quaternary ammonium salts were synthesized from cinchonine in cinchona alkaloids using chloromethylated polystyrene - polyethylene glycol, diethylene glycol, triethylene glycol and glycol as polymer - supported phase transfer catalysts, finsl products were characterized by ftir, elemental analysis, scanning electron microscopy, x - ray photoelectron spectroscopy ( xps )

    摘要以金雞納生物堿中的辛可寧為原料,氯甲基化、一縮二、二縮等為載體合成了幾種合物負載的手性季銨鹽,並對它們的結構用紅外光譜、元素分析、掃描電鏡和x射線光電子能譜等測試手段進行了表徵。
  3. In this thesis, the development of emulsion polymerization theory and related new technologies are comprehensively reviewed, and the synthetic technologies of acrylate latex modified by organosilicon both at home and abroad are also reviewed. based on the current development and research in this field, attentions of this study are focused on three ways for preparing novel acrylate latexes modified by organosilicons, that is, 1 ) the acrylate monomers are copolymerized with unsaturated silicons by emulsion copolymerization ; 2 ) a new latex with microphase separation morphology is synthesized, which shows a core - shell structure character ; 3 ) soap - free polymerization is explored for preparing a higher - performance latex using an unsaturated silicon monomer, different acrylates and a reactive emulsifier. by using techniques of delaying addition of organosilicon monomer and a hydrolysis inhibitor, the hydrolysis and condensation of 3 - ( trimethoxysilyl ) propyl methacrylate during polymerization can be effectively prevented, as a result, organosilicon content in the macromolecular chain is increased

    同時採用有機硅單體延遲滴加及添加水解抑制劑等技術,有效防止了-甲基丙烯酰氧基丙基甲氧基硅烷在乳液合過程中的過渡水解及縮合反應,提高了合物大分子鏈中有機硅鏈節的含量;利用紅外光譜與差示掃描量熱儀對產物分子結構進行了表徵,並通過對共產物力學和吸水率的測試,證實了本研究所制備的有機硅改性丙烯酸酯共物具有比純丙烯酸酯合物更優良的力學及耐水性能;從分子設計角度出發,利用解反應合成出水解、縮合反應速率較慢的兩種新型不飽和有機硅單體: ?甲基丙烯酰氧基丙基氧基硅烷和?甲基丙烯酰氧基丙基異丙氧基硅烷;利用核磁共振對新型硅烷單體結構進行了證實;研究表明利用新型硅烷單體可以制備出高硅烷含量的有機硅改性丙烯酸酯乳液,且其合產物具有較高的力學及耐水性能。
  4. Tao feng changzhou chemical company located in the jiangsu international plastics city, is in changzhou city, the river additives ltd. and jurong city tao reagent production plant product sales window, the major products : toluene, pure benzene, xylene, n - octanol, ethyl acetate, acetic acid small fat, silicone oil, aniline, poly - succinimide, benzene triazole derivatives, isopropanolamine, ethanolamine, alkylation two aniline, scale inhibitor, promoting agents, antioxidants, ppd, defoamer, metal deactivator, hx - 3308 scale and corrosion inhibitor, hx03 - 12 diesel flow improver, parathion octyl - zinc chloride bridge acid, chlorine bridge anhydride, chlorobenzene, double - dicyclopentadiene, norbornene anhydride

    常州濤峰化工有限公司座落在江蘇國際塑化城,是常州市夏溪助劑有限公司和句容市龍濤試劑廠生產的產品的銷售窗口,主要經營產品:甲苯、純苯、二甲苯、辛脂、酸丁脂、硅油、二苯胺、雙丁二酰亞胺、苯唑衍生物、異丙胺、胺、烷基二苯胺、防垢劑、促進劑、抗氧劑、降凝劑、消泡劑、金屬鈍化劑、 hx - 3308阻垢緩蝕劑、 hx03 - 12柴油流動改進劑、硫磷丁辛基鋅鹽、氯橋酸、氯橋酸酐、氯苯、雙環戊二烯、降冰片烯二酸酐等。
  5. The oh functionality of the polyether may be controlled by using modifiers such as glycidol, ethylene glycol, water or trimethylol propane.

    用縮水甘油、,水或羥甲基丙烷等改良劑,可控制醚的羥基官能團。
  6. The oh functionality of the polyether may be controlled by using modifiers such as glycidol, ethylene glycol, water, or trimethylol propane.

    可用縮水甘油,,水或羥甲基丙烷等改良劑,可控制醚的羥基官能團。
  7. A comparison of pcp ( pentachlorophenol ) degradation was made in micro - aeration and anaerobic conditions with three series of batch experiments : ( 1 ) anaerobic granular sludge and the mixed isolated aerobic bacteria were co - immobilized with pva ( polyvinyl alcohol ) and sodium alginate by means of freeze ; ( 2 ) isolated aerobic bacteria were first immobilized with pva and sodium alginate and then mixed with anaerobic granular sludge ; and ( 3 ) isolated aerobic bacteria were directly added in anaerobic granular sludge

    摘要將氯酚優勢好氧菌與厭氧顆粒污泥以種不同方式組合: ( 1 )以和海藻酸鈉為載體,採用冷凍法將氯酚優勢好氧菌和厭氧顆粒污泥進行混合固定; ( 2 )將氯酚優勢好氧菌單獨固定后再與厭氧顆粒污泥混合; ( 3 )將氯酚優勢好氧菌直接投加到厭氧顆粒污泥。
  8. 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體系.研究了正負離子表面活性劑(溴化十二烷基銨/十二烷基硫酸鈉)分別與葡糖和混合雙水相體系的形成規律、相行為及牛血清蛋白和溶菌酶在雙水相體系中的分配.通過在高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,表面活性劑與高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選擇性
  9. Triantafillopoulos n g , dittman - mcbain c b , westerman i j , et al. polyvinyl alcohol copolymer composition : us , 6881778 [ p ]. 2005 ? 04 ? 19

    夏赤丹,梅繼香.對異氰酸苯基硫代磷酸酯交聯乳膠[ j ] .中國膠粘劑, 2003 ( 5 ) : 52
  10. The dispersity and stability of the graphite aqueous suspensions was investigated with centrifugation, the violet visible spectrophotometer, the laser particle size analyzer and scanning electron microscopy ( sem ). the following aspects of the production technique were carefully studied : 1. the effects of surfactants, poly ( vinyl alcohol ) ( pva ), poly ( vinyl pyrrolidone ) ( pvp ), sodium alginate ( sa - na ) and poly ( sodium acrylate ) ( pa - na ) on the suspension stability of graphite were investigated

    本研究的主要內容有以下個方面: 1 、研究了陰離子表面活性劑、非離子表面活性劑、( pva ) 、烯基吡咯烷酮( pvp ) 、海藻酸鈉( sa - na ) 、丙烯酸鈉( pa - na )對石墨在水中分散性和穩定性的影響; 2 、研究了分散方法、分散介質、 ph值及羧甲基纖維素鈉( cmc )含量對石墨在水中分散性和穩定性的影響; 3 、研究了( pva ) 、烯基吡咯烷酮( pvp ) 、海藻酸鈉( sa - na ) 、丙烯酸鈉( pa - na )四種助分散劑與羧甲基纖維素鈉( cmc )復配對石墨在水中分散性和穩定性的影響。
  11. Immobilization of polylysine ( pll ) onto hec and chitosan - coated membranes via activation reagents provided pll affinity membrane, respectively. a simple method for quantitative analysis of solid chitosan based on the ninhydrin reaction was achieved by diluting the reaction solution with 50 % ( v / v )

    以高濃度的茚酮顯色液與固體殼糖反應,再採用水溶液稀釋反應液的方法,解決了固載在基材上殼糖含量的測定問題。
  12. Cell adhesion to surface of the substrate is essential to development of the anchorage - dependent cells. only after adhering to surface followed by spreading can cells develop and proliferate. most synthetic polymers used as orthopaedic matrix substitute present hydrophobicity, which may correlates to the low degree of cell attachment. modification with cell adhesion protein / peptides can be benificial to the cell adhesion on polymers and then affect the cell proliferation and differentiation. cell attachment to substrate is primarily mediated by integrins, a widely expressed family of heterodimeric surface receptors. most extrcellular matrix proteins such as fibronectin, osteopontin, collagen type i, bone sialoprotein and vitronectin contain an arg - gly - asp ( rgd ) sequence which is specific to the fixation of cell membrane receptors like integrin. the main aim of this research is to measure, assess adhesion, proliferation of rabbit marrow stromal cells ( mscs ) on the polymers coated by fibronectin, collagen type i or biotie gen, which includes : ( 1 ) biologic characteristics of rabbit mscs were observed by two types of separating method in primary culture. ( 2 ) adhesion, proliferation and differentiation of mscs cultured on polymers coated with biotiegen were assessed. ( 3 ) also, adhesion, proliferation and differentiation of mscs were assessed on plga film or porous plga substrates coated with fibronectin, or collagen type i respectively. ( 4 ) bone formation was observed on the porous plga substrates coated with collagen type i in vivo. this research aims to give new way to make novel synthetic bone with cell adhesion and high bone induction capabilities

    因此將這些蛋白包被、固定到材料表面,觀察骨組織工程種子細胞mscs細胞的粘附、生長特性是本研究的中心環節,並從以下方面進行探討: ( 1 )採用不同原代細胞分離方法,研究其對mscs細胞的生物學特性影響。 ( 2 )檢測基因勝肽膠對mscs細胞粘附、增殖及分化的影響。 ( 3 )分別採用型膠原及纖維粘連蛋白( fibronectin , fn )包被酸-乳酸共物( poly ( 1actide - co - glycolide ) , plga )膜及多孔塊型plga材料,觀察細胞在單層或維培養狀態下,型膠原及fn對mscs細胞粘附、增殖及向成骨細胞分化效應及能力。
  13. In view of the poor thermal stability of polyoxymethylene ( pom ) induced by the residual catalyst and unstable end groups formed in the synthesis of pom. the pom was treated by amine, and the effects of the variety of amine compounds, treatment technology and water content on the thermal stability of pom were investigated ; the effect of triethanolamine on the thermal stability of pom was further studied by means of isothermal mass loss, isothermal mass loss rate, and formaldehyde emission amount

    摘要針對甲醛由於合成中殘留催化劑及不穩定端基導致其熱穩定較差的問題,採用胺對甲醛進行處理,並考察了胺種類、胺處理工藝及水用量對甲醛熱穩定性能影響;採用等溫熱質量損失率、等溫熱質量損失速率、甲醛釋放量分析等方法對胺對pom的熱穩定作用進行了進一步研究。
  14. Phase transfer catalysis of polystyrene triethanol amine resin

    胺樹脂的相轉移催化作用
  15. Vinyl alkyd coatings are based on the blend of a copolymer ( or more commonly terpolymer ) of vinyl chloride, vinyl acetate, and vinyl alcohol with a compatible alkyd resin

    烯基多元酸塗料是氯烯、醋酸烯和物(或其它的元共物)和相容的多元酸樹脂的共混物。
  16. The amino resin will cross - link not only the alkyd but the hydroxyl portion of the vinyl terpolymer

    氨基樹脂不僅能和多元酸交聯,而且和元共物中的羥基部分反應。
  17. Triethanolamine was considered as a desirable complexing agent to reduce phosphorus content in electroless nickel deposits applied on polyurethane foam substrate

    對于以氨酯海綿為基體的化學鍍鎳,研究認為,胺是較好的選擇。
  18. The results showed the thermal stability of pom could be improved remarkably by applying triethanolamine as amine treating agent through melting processing, and the optimum content of triethanolamine was 0. 2 %

    結果表明:以胺為胺處理劑、採用熔融后處理法可有效提高甲醛熱穩定性能,胺最佳用量為0 . 2 % 。
  19. It produces more than 30 products of chemicals, chemical fiber, textile, and building materials with double wheel as its trademark. the company has an annual output of 50, 000 tons of vac, 25, 000 tons of pva, 60, 000 tons of calcium carbide, 10, 000 tons of vinylon staple, 32, 000 tons of polyester filament, 80, 000 tons of cement, 10, 000 tons of formaldehyde, and 10, 000 tons of pvac emulsion. some main products, for instance, pva, vinylon staple, and polyester filament, were awarded excellent product by the fujian provincial government, the ministry of textile industry of china, or our country for many times

    福建紡織化纖集團有限公司主要生產以「雙輪牌」為注冊商標的化工化纖建材大系列30餘種產品,產品年生產能力為:醋酸烯5萬噸2 . 5萬噸電石6萬噸滌綸加工絲3 . 2萬噸維綸纖維1萬噸甲醛1萬噸水泥8萬噸彩色母粒1200噸,同時還生產醋酸烯乳液不飽和樹脂安全網等產品。
  20. Application : mainly used as catalyst for poly - condensation of polyester. improved poly - condensation time especially in continuous processes. significantly reduced impurity levels in pet resin

    用途:主要用作酯縮催化劑,比氧化二銻易溶於中,具有活性高,不易堵塞管道,縮時間短,能提高酯產品的質量等特點。
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