鏈聚合 的英文怎麼說
中文拼音 [liànjùgě]
鏈聚合
英文
chain polymerization-
Newcastle disease virus ( ndv ) strain 695, a thermostable nature avirulent strain, were replicated in embryonated chicken eggsand its rna was extracted from allantoic fluid. referred to the reported sequence of f gene, a pair of primers were designed and synthesized. f gene of ndv b95 strain was amplified by rt - pcr, the pcr products were checked by agrose gel electrophoresis and purified by agrose gel fracion method
利用從國外引進的新城疫熱穩定性天然弱毒b _ ( 95 )株接種spf雞胚繁殖病毒,經處理后提取病毒的基因組rna ,參考國內外發表的ndv融合蛋白基因序列,設計一對特異性引物,經反轉錄聚合酶鏈式反應( rt - pcr )擴增出約1700bp大小的特異性片段,將此片段回收純化后,利用t - a克隆技術將其克隆到pgem - t - easy克隆載體中,再轉化大腸桿菌jm109感受態細胞,轉化后經分子量比較、 pcr鑒定和酶切分析篩選陽性克隆。Long-chained charged synthetic and natural polymers can act to destabilize colloids by forming a bridge between one colloid and another.
長鏈帶電的合成聚合物和天然聚合物,能夠在膠體間搭橋而使膠體不穩定。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烯酸酯共聚物具有比純丙烯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: ?甲基丙烯酰氧基丙基三乙氧基硅烷和?甲基丙烯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烯酸酯乳液,且其聚合產物具有較高的力學及耐水性能。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
採用聚氯乙烯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,使聚氯乙烯主鏈脫氫形成具有共軛電子的導電聚合物。In the pfb5 and pff5 led, we also find the energy shift from host to dopant intra - chain
在聚合物led中,我們也發現了從在鏈內的主體到客體染料的能量轉移。Even minute amounts of dna can now be amplified, using the polymerase chain reaction, to provide sufficient material for genetic fingerprinting
即使僅獲得很少量的dna也可使用聚合酶鏈式反應來擴增以提供足夠的材料進行遺傳指紋分析。In this study five recombinant plasmids containing hn ( hemagglutinin - neuraminidase ) genes of ndv ( newcastle disease virus ) were constructed, hn genes were amplified by reverse transcriptase - polymerase chain reaction ( rt - pcr ) and were inserted directly into eukaryotic expression plasmid pcdna3
應用反轉錄-聚合酶鏈反應( rt - pcr )獲得兩株新城疫病毒( ndv )血凝素-神經氨酸酶( hn )基因cdna ,然後定向插入真核表達質粒pcdna3中,構建了含hn基因的重組質粒。As bases are added by polymerase to the starting point of a new complementary strand, known as a primer, or recognized by ligase as a match, the template ' s sequence is revealed
當聚合酶將一個核苷酸加在新互補鏈的起始引子之後,或接合酶認定某段核苷酸鏈與原始模版配對,就可利用這些反應來得出原始模版的序列。Pcr method for detection of salmonella with polymerase chain reaction
用聚合酶鏈反應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、直鏈型減縮劑的不足,設計了一種新型的減縮劑? ?聚丙烯酸鹽類減縮劑,其主要由丙烯酸、苯乙烯、聚乙二醇、引發劑、鏈轉移劑、催化劑等經過聚合、酯化和中和反應,生成一種高分子量的、含聚氧化烯鏈的聚合物。Detection of plasmodium falciparum by using reverse transcriptase - polymerase chain reaction
逆轉錄聚合酶鏈反應檢測惡性瘧原蟲的應用研究Detection of rubella virus gene by rt - pcr
聚合酶鏈反應檢測風疹病毒基因Poly ( ethylene glycol ) ( peg ) is a hydrophilic polymer which has flexible long chain
摘要聚乙二醇是一類親水性長鏈聚合物。The long polymers, in contrast, are generally poor conductors in their pure state
相比之下,單純的長鏈聚合物通常是很差的導體。Standard rubber bands, which can stretch up to several hundred percent then snap back into shape, are made from long chains of cross - linked polymers
標準橡皮筋由交錯連接的長鏈聚合物製成,能拉伸至原先長度的幾倍,釋放后可縮回原型。Semi - flexible chain polymer
半柔性鏈聚合物Flexible chain polymer
柔性鏈聚合物Straight - chain polymer
直鏈聚合物Rigid chain polymer
剛性鏈聚合物Carbon chain polymer
碳鏈聚合物分享友人