鏈烯 的英文怎麼說

中文拼音 [liàn]
鏈烯 英文
alkene
  • : Ⅰ名詞1. (鏈子) chain Ⅱ動詞(用鏈栓住) chain; enchain Ⅲ量詞(計量海洋上距離的長度單位) cable length
  • : 名詞[化學] (有機化合物的一類) alkene; olefince
  1. Crystallization behavior of single or pauci chain congeries of isotactic polystyrene

    和寡等規聚苯乙聚集體的結晶行為
  2. 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-甲基丙酰氧基丙基三甲氧基硅烷在乳液聚合過程中的過渡水解及縮合反應,提高了聚合物大分子中有機硅節的含量;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,並通過對共聚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酸酯共聚物具有比純丙酸酯聚合物更優良的力學及耐水性能;從分子設計角度出發,利用醇解反應合成出水解、縮合反應速率較慢的兩種新型不飽和有機硅單體: ?甲基丙酰氧基丙基三乙氧基硅烷和?甲基丙酰氧基丙基三異丙氧基硅烷;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酸酯乳液,且其聚合產物具有較高的力學及耐水性能。
  3. Consequently, with increasing mmt content, the tensile strength and young ' s modulus of hdpe - g - aa / mmt nanocomposites increased, while that of hdpe / mmt composites decreased. moreover, the addition of mmt to hdpe - g - aa decreased the melting temperature and the degree of crystallization of the matrix. these changes may be attributed to high interfacial adhesion between hdpe - g - aa matrix and exfoliated clay, which reduces the mobility of crystallizable pe chain segments, and subsequently reduces the crystallization ability

    研究結果表明: mmt在hdpe中不能達到納米級分散,而在hdpe - g - aa中, mmt能以插層型利剝離型的結構存在,這主要是由於極性的丙酸接枝在hdpe上提高了後者的極性,而且能與mmt上的活性基團進行化學反應,從而提高了pe進入mmt層間的可能性,使mmt在基體中達到納米級分散。
  4. First to heat pvc and sulfur together at a certain temperature, where the melted sulfur being a fine dehydrogenating agent, captured hydrogen from pvc bone chain and led to an electrially conductive polymer with conjugated electrons

    採用聚氯乙與單質硫在一定的溫度下加熱處理,在熔融狀態下的單質硫作為良好的脫氫氧化試劑,使聚氯乙脫氫形成具有共軛電子的導電聚合物。
  5. The process provides a facile way of producing hydrocarbl perchlorate from alkenes, cycloalkenes, aralkenes, alkanols, cycloakanols and aralkanols.

    本文介紹了從鏈烯、環、芳鏈烯烷醇、環烷醇、芳烷醇來制備過氯酸烴基酯的方便方法。
  6. The process provides a facile way of producing hydrocarbyl perchlorates, from alkenes, cycloalkenes, aralkenes, alkanols, cycloalknols and aralkanols.

    本工藝程序提供了從鏈烯、環、芳鏈烯烷醇、環烷醇、芳烷醇來制備過氯酸烴基酯的方便方法。
  7. As to the high - density polyethylene, two strategies were performed : ( 1 ) after being modified by grafting polar groups on its backbone, polyethylene and organic montmorillonite were melt mixed directly, which could obtain the polyethylene / montmorillonite nanocomposites. the effect of groups grafted on the backbone on the efficiency of intercalation was investigated in this paper ; ( 2 ) choosing the grafters obtained in this experiment as the compatilizers, polyethylene / montmorillonite nanocomposites had also been prepared by melt mixing the polyethylene, grafter and organic montmorillonite. the difference of grafters and sequence of mixing on the intercalation result had also been analyzed

    對于高密度聚乙,採用以下兩種思路進行: ( 1 )對聚乙首先進行功能化改性,使聚乙分子上接枝上不同的極性基團,將改性后的聚乙再同有機蒙脫土直接熔融復合,成功的制備了聚乙蒙脫土納米復合材料,並考察了接枝到聚乙上基團的不同對最終插層效果的影響; ( 2 )選用制得的接枝物作為相容劑,將聚乙,接枝物,有機蒙脫土三者熔融復合,也可以得到聚乙蒙脫土納米復合材料,並對選用不同的接枝物作為相容劑以及復合順序對最終插層效果的影響加以分析。
  8. Fifty - one and nineteen compounds were detected respectively from the volatile extracts of the fossils from miocene leaves of metasequoia glyptostroboides and early cretaceous seed cone of pityostrobus spp. by gas chromatography - mass spectrometry ( gc - ms ) analysis

    摘要採用氣相色譜質譜聯用分析技術從中新世水杉葉片和白堊紀松型球果兩種裸子植物化石中分別鑒定了51個和19個揮發性成分,類型涉及烷烴、烷、烷醇、長脂肪酸及其酯、鄰苯二甲酸酯、菇類和芳香族化合物。
  9. The formed long and linear chain alkyl benzene changes into benzene methyl and alkene through - scission and monomolecular homolysis, and then benzene methyl shifts to the position of - carbon in the long chain alkyl benzene through h - transfers

    已形成的長直烷基苯通過分裂、單分子均裂形成苯甲基、烴,苯甲基通過氫轉移到長烷基苯的碳上,烴再與碳結合形成帶支的烷基苯。
  10. The article analyze the concrete drying shrinkage mechanism, find the major factors of affecting the drying shrinkage, analyze the lack of shrinkage reducing agent, who be of low molecular weight and line chain, design a new shrinkage reducing agent ? ? shrinkage reducing agent of poly - acrylate. the shrinkage reducing agent of poly - acrylate is mainly composed of crylic acid 、 cinnamene 、 poly - glycol 、 solicitating agent 、 chain transferring agent and activator, which come by these processes of polymerization 、 esterifing and neutralization to form a pectinate polymer, which have a high molecular weight and many poly - oxidative alkenes

    論文分析了混凝土乾燥收縮的機理,確定了影響乾燥收縮的關鍵因素,分析已有低分子量的、直型減縮劑的不足,設計了一種新型的減縮劑? ?聚丙酸鹽類減縮劑,其主要由丙酸、苯乙、聚乙二醇、引發劑、轉移劑、催化劑等經過聚合、酯化和中和反應,生成一種高分子量的、含聚氧化的聚合物。
  11. Long chain branched polyethylene

    長支聚乙
  12. Intercalation and exfoliation behaviors of organo - mmts in low density polyethylene ( ldpe ) and copolyethylene / mmt systems have been investigated. it was found that ldpe has certain intercalation capability, while ethylene vinyl - acetate copolymer ( eva ) with polar groups exhibits some compatibilization and excellent intercalation capability

    結果表明,非極性的ldpe插層能力極其有限,聚乙共聚物具有良好的插層能力; mmt分散效果以及復合材料的性能取決于高分子的極性和有機蒙脫土的性質。
  13. The crystallization and melting behavior of mellocene - catalized branched and linear polyethylenes of low molecular weight was studied. it was found that the crystalline lattice of branched polyethylene is larger than that of linear polyethylene because of the existence of branched chains. the melting behavior of branched polyethylene is similar to that of linear polyethylene since the branched chains can not enter the lattice. however, the crystalline behavior of low molecular weight branched polyethylene is the same as that of high molecular weight linear polyethylene, but different with that of low molecular weigh linear polyethylene. kinetics theory analysis evidenced that the transition temperature of growth regime of the branched polyethylene is about 20 lower than that of linear polyethylene with the same molecular weight. it may be attributed to the existence of short branched chains

    研究了金屬茂催化的低分子量支化聚乙和線性聚乙的結晶及熔融行為,發現支化聚乙的結構與線性聚乙相同為正交結構,但晶格略有膨脹.支的存在對熔融行為影響不大,兩種聚乙的熔點均隨結晶溫度的升高而非線性增加,表現出低分子量樣品的共同特徵.但支的存在對結晶行為卻有很大的影響,主要是由於支的存在降低了晶體的結晶速率從而影響結晶過程,使得低分子量的支化聚乙的結晶行為與高分子量線性聚乙的結晶行為相似而與低分子量的線性聚乙不同.動力學分析表明,低分子量的支化聚乙的結晶生長方式的轉變溫度比同等分子量的線性聚乙降低了約20
  14. The exptl, results demonstrated that such surfactants could decrease initial uptake rate of acid dyes, had quite good dye migration performance and could be developed as leveling agents

    結果表明,含聚氧乙陽離子表面活性劑能降低酸性染料的初始上染速率,並具有較好的移染性,可開發為勻染劑。
  15. By sds - page and immuno - blotting, the monoclonal antibody of anti - chick brain cytoplasmic dynein intermediate chain could recognize the 67 kda protein in purified golgi apparatus fraction from lily pollen. subsequently by immuno - gold labeling and transmission electron microscopy, we found that the dynein intermediate chain - like protein bound mainly to the membranes of golgi - associated vesicles. statistics analysis of dynein intermediate chain - like protein on golgi - associated vesciles showed the nearly equal chance of distribution on either cis - or trans - golgi - associated vesciles

    對分離純化的百合花粉及花粉管中高爾基體組分進行sds -聚丙酰胺凝膠電泳和免疫印跡發現,抗雞腦細胞質力蛋白中間單克隆抗體在67kda處有較強的免疫交叉反應;進而通過免疫金標結合電子顯微鏡觀察發現,大多數類細胞質力蛋白中間存在於高爾基體附近的囊泡膜上;統計結果表明,類細胞質力蛋白中間在順面和反面高爾基體附近囊泡膜上的分佈機率大致相等。
  16. The meso carbon atom of the methine linkage of the dye is attached to the nitrogen atom of a group which forms an enamine with the methine linkage of the dye.

    該染料甲川上的碳原子與氨基的氮原子相連,而該氮原子又與染料的甲川形成胺。
  17. Our company is specialized in supplying all kinds of terminal block, switch test double block, ground block, fuse block, three - level sensor block with light, double block, universal block, integral block, nylon cable ties, cable ties, releasable cablle ties, self - locking cable tie, marker calbe ties, flexible pipe, cable marker, expansion nail / plug, wire joint, cable clamp, nail clip, screw on wire connector, self - adhesive tie mount, spiral wrapping band, wire connectors, cable tie mounts, nylon fasteners, cable gland, nylon ties, cable terminal, terminals, terminal connector, wiring duct, pre - insulated terminals, cable markers, electrician tools, cabling accessories, plastic cable ties, wire tie, tie wrap, beaded tie wraps, tie wrap adhesive, tie wrap tool, cable, wires, terminal connector, terminal block, nail, nylon cable glands, pe tubing and quick screw connector, circle nail cable clips, self - adhesive tie mounts, expand nails, spiral wrapping bands, screw on wire connectors, copper connecting terminals, pre - insulated electrician tools, wire connectors, cable tie mounts, nylon fasteners, nylon ties, cable terminal, pre - insulated terminals, cabling accessories, plastic cable ties, wire tie, tie wrap, beaded tie wraps, tie wrap adhesive, tie wrap tool, cable, wires, terminal connector, terminal block, nail, nylon cable glands, cable accessories, wiring accessories etc. we offer superior product and best service with competitive price

    我們公司是專門供應各種終端塊,交換機測試雙重座,地面座,保險絲座,三層傳感器座輕型雙座通用塊,積分塊,尼龍電纜聯系,電纜聯系,松解錨索關系自鎖式電纜接頭,光纜標記關系,軟管,電纜標記,膨脹釘/插頭,電線接頭,電纜鉗,夾釘,螺絲電線連接,自粘配合摩,螺旋帶包,導線連接器,線纜配合固定座,尼龍緊固件,電纜壓蓋,尼龍關系,電纜終端,終端,終端連接器,電線導管,預終端絕緣,電纜料,電工工具,電纜配件,塑料電纜聯系,配合鋼絲,為配合劇情,串珠配合纏上搭膠包裹,包裹配合工具,電纜,電線,終端連接器,終端塊,釘,尼龍索腺體,聚乙管材及快速接頭螺絲,圓釘電纜夾,自粘配合固定座,擴大釘,螺旋帶包螺桿導線連接器,銅接線端子,預絕緣電工工具,電線接頭,電纜接頭固定座,尼龍拉,尼龍關系,電纜終端,預終端絕緣,電纜配件,塑料電纜聯系,配合鋼絲,為配合劇情,配合串珠包,搭包膠,配合工具包,電纜,電線,終端連接器,終端塊,釘,尼龍腺體電纜,電纜配件,線路配件等,我們提供卓越的產品和最好的服務,具有競爭力的價格
  18. In part 3, the in - situ copolymerization of ethylene was investigated by the combinations of the cobalt - based catalyst and the metallocene to prepare short - branched polyethylene. the major oligomers catalyzed by the cobalt - based catalyst 5, 6 and 7 werel - butene, and the minor were 1 - hexene. the comonomer effects were also observed

    在雙亞胺基吡啶鈷配合物與茂金屬復配催化乙原位共聚制備短支支化聚乙中,合成了3種雙亞胺基吡啶鈷配合物,研究了反應條件對其催化乙齊聚活性和所得產物碳數分佈的影響。
  19. Since fulvenes show no evidence of ring currents, the chemical shifts of the protons will be found in the normal definite region.

    既然富不顯示環電流存在的跡象,所以質子的化學位移仍然發生在正常的鏈烯區。
  20. Dental glass polyalkenoate cement

    牙科用玻璃聚鏈烯粘結劑
分享友人