聚合比 的英文怎麼說

中文拼音 []
聚合比 英文
condensation ratio
  • : 動詞(聚集; 聚積) assemble; gather; get together
  • : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
  • : Ⅰ動詞1 (比較; 較量高下、 長短、距離、好壞等) compare; compete; contrast; match; emulate 2 (比...
  • 聚合 : 1 (聚集到一起) get together2 [化學] (單體結合成高分子化合物) polymerization; polymerize 3 [生...
  1. 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融蛋白基因序列,設計一對特異性引物,經反轉錄酶鏈式反應( 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,轉化后經分子量較、 pcr鑒定和酶切分析篩選陽性克隆。
  2. We have synthesized the imprinted polymers using phenacetin, nicotine, paracematol and aminopyrine as the template molecules respectively and deduced the response model of the piezoelectric bio - mimetic sensors

    我們成了非那西丁、尼古丁、撲熱息痛和氨基林四種模板分子的印記物,得出了壓電模擬生物傳感器的響應模型。
  3. The research results show that, from the viewpoint of second phase morphologies, there exist quite differences between the grain - type materials ( such as wc / bcu brazing deposit material, wrs1000 and 1zt tungsten carbide strengthening overlaying material, as well as the wear - resistant material of polymer adhesive coating etc. ), and the aggregation - type as well as dispersion - type ones ( such as zg35simn, wrd - 1 and khc - k2 depositing material ) in the wear - resistance and sand slurry abrasion mechanism. the sand slurry abrasion mechanisms are brought forward, of new wear - resistant materials with the features of grain - type second phase morphologies

    研究發現,與型、彌散型第二相的材料(如zg35simn 、 wrd ? 1和khc ? k2熔敷材料等)相,顆粒型第二相的材料(如wc bcu釬焊熔敷耐磨材料、 wrs1000型耐磨材料、 1zt碳化鎢顆粒增強熔敷材料及ktc ? 1耐磨膠粘塗層材料等)在耐磨性能和磨損機理等方面均有不同,總結提出了以「顆粒型第二相」為特徵的耐磨新材料泥沙磨損機理。
  4. One of us ( shapiro ) began this research with the realization that the basic operations of certain biomolecular machines within living cells ? recognition of molecular building blocks, cleavage and ligation of biopolymer molecules, and movement along a polymer ? could all be used, in principle, to construct a universal computer based on turing ' s conceptual machine

    這項研究的開端,是本文作者之一夏洛意識到,細胞內某些生物分子組件的基本運作方式,像是辨認基本分子建構單元、切開和連接生物分子,以及組件沿著分子移動的方式,理論上都能以塗林的概念為基礎,建構普適的計算器器。
  5. Toby was a mass of contradictions.

    是一個多重矛盾的體。
  6. 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過程中的過渡水解及縮反應,提高了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純丙烯酸酯物更優良的力學及耐水性能;從分子設計角度出發,利用醇解反應成出水解、縮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,且其產物具有較高的力學及耐水性能。
  7. In order to solve the above - mentioned problems, the present invention provides a method for plating a polymer material with a metal film, which can form the film on the surface of polymer materials, which are difficult to plate by the prior wet plating method, at a relatively low cost in comparison to the dry plating method and exhibits a uniform thickness and a good adhesion of the metal film and further, shows a good reproducibility

    為了解決上述問題,本發明提供了一種給物材料上鍍金屬膜的方法,用該方法可以在物材料表面形成膜層,這是原來的工藝難于做到的,而且干鍍成本低,鍍層厚度均勻,金屬膜的粘附性好,最後,還顯示出好的重現性。
  8. Pgla, one biodegradable material, is used to braid the conduits, which integrates the merits of its two aggregate ingredients. it is easy to adjust degrading rate to match the regeneration period of the nerve by changing the proportion of the two ingredients. the conduits are fabricated enlacing 2. 2 millimeter stainless steel on the braiding machine with 16 spindles using 2700 tex yarns. four conduits with different structures are braided : common braided structure, braided structure using braided ply yarn, braided structure with inserted reinforcing yarn and adding bridge - yarn structure, the last two conduits are new attempts to look for good shape - keeping structure, being able to lead the nerve to regenerate effectively

    本課題選用可生物降解材料乙丙交酯( pgla )為原料,它兼具兩種成分的優點,可以通過調節兩者的配來調節它的降解周期,使與神經再生的周期相吻。導管的製作是在16錠編織機上採用2700tex紗線進行帶芯編織,芯子為直徑2 . 2mm的不銹鋼絲。共製作四種結構神經導管,分別為普通結構神經導管、編織線結構神經導管、加筋結構神經導管和加芯結構神經導管。
  9. In adding - acid system : the resistivities of different lithotypes " cp tend towards being constant and equal when weight percentage of aniline exceeds 50 % ; because of the structure difference of different lithotypes, the polymerizing places and processes are different ; the resistivities of vituain / pan and fusain / pan reach the lowest point respectively when ( ntloisiog / an is 0. 6, 1. 0 ; the resistivities of cp decline fast and tend towards being constant along with the reduction of diameter of coal. in not adding - acid system : the resistivities of different lithotypes ' cp decline evenly ; it is found on the crossed experiment of cp, that ( nflsaog / an mole proportion is the most important factor to influence output ratio of cp and the weight percentage of aniline is the most important factor to influence resistivities of cp. according to the result of the crossed experiment of cp

    在有外加酸體系中:苯胺百分含量大於50時,不同煤巖組分的電阻率趨于恆定和一致;由於不同煤巖組分結構上的差異,導致苯胺場所和過程的不同;當過硫酸銨/苯胺摩爾為0 . 6 , 1 . 0時,鏡煤-苯胺導電材料電阻率和絲炭-苯胺導電材料的電阻率分別達到最低值;在無外加酸體系中:不同煤巖組分/苯胺導電材料的電阻率隨著時間的增加而均勻下降,並在8小時左右達到恆定;在對絲炭-苯胺導電材料進行的正交試驗中發現:過硫酸銨/苯胺摩爾對產率的影響最大,苯胺重量百分對產率影響最小,而對產物電阻率影響最大的是苯胺重量百分
  10. Since hf forms only a two-dimensional polymer it is less viscous than water.

    由於HF只形成二維體,所以它的粘性水的小。
  11. The characteristics and mixture ratio design of the polypropylene fiber shotcrete are introduced

    摘要介紹了丙烯纖維噴射混凝土的特點及其配設計。
  12. For the first time, agbr organosol was obtained by using oleic acid to extract and modify the agbr nanoparticles in hydrosol. and the optimum molar ratio of oleic acid to agbr nanoparticles was found. agbr nanoparticles, modified by oleic acid were mixed with mma

    首次採用油酸萃取並包覆了水溶膠中的agbr納米粒子,制備了agbr有機溶膠;並找到了萃取率最佳時的油酸與agbr的摩爾;再將油酸包覆的agbr摻雜到甲基丙烯酸甲酯中,進行本體,從而制備了agbr光致變色有機玻璃。
  13. The study conducted research on the following four fields : firstly, the characteristics of the interfacial polymerization system of piperazine aqueous solution / trimesoyl hexane solution were systematically investigated. the results show that at a certain molar ratio between the two monomers, piperazine and trimesoyl, at the two phase interface, a dense functional layer of ultra low pressure, high permeating flux and high salt rejection formed by controlling the time of interfacial polymerization, such as the composite membrane ( i ), the concentration in water phase is 0. 4 %, and 0. 1 % in organic phase, and the polymerization time is 1 minute

    本文主要進行了四個方面的研究,首先系統分析和研究了哌嗪水溶液均苯三甲酰氯正己烷溶液界面體系特徵、界面反應中各影響因素對膜性能的影響等,結果發現,當界面處兩相單體(哌嗪和酰氯)分子摩爾為某一值時,通過控制界面時間(有機相處理時間) ,可以形成超低壓高通量高脫鹽的緻密功能層,如復膜( ) ,水相濃度為0 . 4 ,有機相濃度為0 . 1 ,時間1min 。
  14. Establishing snupe for 2 y - snp loci, we understand that the suitable thermostable dn a polymerase and proportion of template and primer are the keys to reaction of snupe

    通過建立2個y - snp的snupe反應,了解snupe反應的一般規律,揭示單堿基引物延伸反應的關鍵是選擇適的dna酶及適的引物和模板的例。
  15. Ir, sem - edx, and water contact angle measurements on polysilane and polyacrylate film obtained by double operations and single operation showed that the influence of weight ratio of polymers, the molecular of pmma on film structure was great. the film translucence dropping while the ratio of pmma / pmts grew and the compatible reducing while the molecular of pmma increased

    通過測定所配製的系列濃度物甲苯溶液、 thf溶液的表面張力發現:有機硅物溶液的表面張力值在有機硅物濃度低於30時變化不明顯;而甲基丙烯酸酯物溶液表面張力值隨甲基丙烯酸酯物濃度的變化有機硅物溶液明顯。
  16. And the adsorbability of this novel adso rbent for ldl was determined. in order to prepare the solid supports in accordance with with the request of adsorbent for ldl, paam beads were synthesized by inverse suspension polymerization. the composition of the polymerization system is shown as follows : the concentration of monomer and dispersant are 12 % and 0. 65 % respectively, the volume ratio of oil / water isl : 3, the mole ratio of aam and mba is 18 : 1

    本文用反相懸浮成符ldl吸附劑載體要求的丙烯酰胺微珠,經實驗篩選出反應體系所需的最佳單體濃度( 12 ) 、最佳分散劑用量( 0 . 65 ) 、最佳油水值( 1 : 3 ) 、最佳單體( aam )與交聯劑( mba )的物質的量之( 18 : 1 ) 。
  17. A series of near roundness cds nanoparticles with a particle diameter of 3 ~ 6nm have been prepared by controlling the concentration and proportion of reactants and adopting sodium hexametaphosphate as stabilizing agent. the studies demonstrate that these particles present obvious quantum size effect and an appropriate excess of cd2 + ion and hexametaphosphoric acid group polysnion are helpful to the dispersion and flame capability ' s improvement of particles. another series of near roundness monodisperse au nanoparticles with a diameter of 12. 3nm was prepared via sodium citric acid deoxidizing auric chloride acid

    利用六偏磷酸鈉作為穩定劑,通過控制反應物的濃度及例,制備了粒徑為3 6nm 、呈近似球形的cds納米顆粒,光譜測試結果表明,顆粒具有明顯的量子尺寸效應,適當過量的cd ~ ( 2 + )離子以及六偏磷酸根陰離子有助於顆粒的分散並提高其發光性能;採用檸檬酸鈉還原氯金酸,制備了接近球形、平均粒徑約為12 . 3nm的單分散體系au納米顆粒;採用wessling的前驅物法獲得導電物ppv前驅體。
  18. New genetic changes has appeared in the selected shrimp generation, at the same time, no generation - specific bands were found. in addition, genetic variation among g2, g3 w1, hg were estimated by aflp and sampl, as shown in the umpga dendrogram, g2, g3, g4 were clustered into one group, and then g3, g4 were clustered. whether the data from aflp and sampl were calculated together or respectively, the results were similar with only a little difference from aflp

    另外,應用aflp和sampl對g2 、 g3 、 g4 、 w1及一個日照養殖群體hg進行了較,將aflp 、 sampl條帶統計到一起類分析顯示g2 、 g3 、 g4為一支與w1與hg的支首先分開, g3 、 g4再為一支與g1分開,顯然g2 、 g3 、 g4趨勢與上述sampl分析結果相似;除aflp 、 sampl條帶統計到一起計算外,對上述g2 、 g3 、 g4 、 w1 、 hg相同樣本的aflp 、 sampl條帶分別進行了運算,可以看出兩種方法結果相似,單一技術計算結果與兩者聯處理結果相似,但aflp條帶經popgene軟體處理所得umpga系統樹卻有所差別。
  19. Abstract : water solution polymerization and precipitation polymerization of ethenyl radical monomers were carried out at same conditions, and the differences between the products in molecular weight and other aspects were investigated

    文摘:針對目前溶液體系中、後期粘度高,熱擴散不利,從而影響分子量提高的問題,進行乙烯基類單體在同等條件的水溶液及沉澱較了獲得的物產物在分子量及應用性質上的差異。
  20. Then properties of the polysilane - polyacrylate gradient film were characterized. the mechanism of film forming process of polysilane - polyacrylate fgm was probed into as well. the testing results indicated that adding p ( mma - co - ptris ) of different can improve the poor miscibility of pmma and ptris because p ( mma - co - ptris ) contained both pmma chains and organosilicone chains which joint pmma and ptris as a bridge

    通過測試有機硅物-丙烯酸酯共混梯度膜的結構,發現ptris和pmma的相容性較差,加入不同聚合比例的共物p ( mma - co - tris )后相容性得到改善,並可以得到一面是丙烯酸酯端;然後結構漸變成有機硅物端的梯度膜。
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