molecular chain 中文意思是什麼

molecular chain 解釋
分子鏈
  • molecular : adj. 分子的,由分子形成的,分子內[間]的。adv. -ly
  • chain : n 1 鏈子，鏈條；項圈；表鏈。2 連鎖；連續，一系列，一連串；（山）脈。3 〈常 pl 〉鐐銬；羈絆，拘束...
  1. 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。
  2. When incorporation content of nano - al2o3 is 20 phr, fillers show conglomeration, which reduces the ability of fillers to link the molecular chain of pa6

    因此，為了提高填充粒子與基體的結合能力，有效的降低材料的磨損，對填充粒子作有機化處理是必要的。
  3. In this work, some species of palmae cultivated in the xiamen botanical garden had been selected to be analyzed their genetic diversity with rapd ( random amplified polymorphic dna ) technique. according to the result of genomic dna amplified with pcr ( polymerase chain reaction ), genetic distance and similarity between different palm species were calculated on nei " s estimate of similarity and genetic distance. a primary but first time research at the phylogenetic relationships of some genera and species, the molecular classification and identification of some puzzling species of palmae was carried out through upgma ( unweighted pair group mean average ) cluster analysis of the genetic distance together with comparative study of the morphological structure characteristics

    本文在初步調查分析了棕櫚科植物在我國的自然分佈、引種馴化情況以及該類植物在廈門地區栽培應用狀況的基礎上，首次採用rapd分子標記技術，對廈門萬石植物園引種的一些棕櫚科植物的遺傳多樣性進行了研究，根據pcr對基因組dna擴增的結果，用nei ' s相似性系數計算了不同植物間的遺傳距離和遺傳一致度，通過對遺傳距離的upgma聚類分析，並結合形態分類的特點，對棕櫚科植物的屬、種間的系統分類關系和一些疑難種的分類鑒定進行了初步研究。
  4. Raman spectra of pp during pan - milling indicates that the amorphization of pp was resulted from molecular motion, chain deformation and deterioration of packing regularity caused by deformation under stress

    二、將磨盤型力化學反應器應用於金屬的碾磨粉碎，碾磨25次后，部分鐵粒子的尺寸為40 ? 120nm 。
  5. The preparation of chain transfer, the mol percent of pea : aa : mma and the time of combind were systermic investigated. the performance of pc was refledted by the neat cement paste fluidity and fluidity losing. the results indicated : ( 1 ) the preparation of chain transfer was one of most factor of control the molecular weight of copolymer and influence the performance of pc

    通過測定減水劑的水泥凈漿流動度及流動度損失宏觀反映合成減水劑共聚體pc的性能，研究結果表明： （ 1 ）鏈轉移劑是控制共聚物分子量影響共聚體pc性能的主要因素之一，在選擇鏈轉移劑zy 、用量為8 aa時的作用效果最佳。
  6. The friction and wear properties of pa6 composites filled with different contents of nano - al2o3 sliding against 45 steel and cu counterface in dry conditions are evaluated by using an mmw - 1 friction and wear tester. the findings show that incorporation of nano - al2o3 into pa6 serves as physical joints with the molecular chain of pa6 matrix, and helps reduce wear mass loss of pa6

    對于銅摩擦副而言，尼龍6 nano - al _ 2o _ 3復合材料的摩擦系數在載荷一定時，隨納米al _ 2o _ 3填料粒子填充量的增加摩擦系數呈上升趨勢，此變化規律對于復合材料與45 ~ #鋼對摩時則不明顯。
  7. For chitosan, when the concentration of chitosan is under 0. 1mg / ml, the structure of molecular chain can be observed by afm. at the same time, the refined structure of lyotropic liquid crystal of chitosan and the changes of structure were studied. films with liquid crystalline texture can be prepared from diluted solutions which concentration is lower than critical concentration of liquid crystal

    對于殼聚糖（ chitosan ） ，通過afm直接對殼聚糖進行分子結構水平的觀察研究，發現在濃度低於0 . 1mg ml的稀溶液中用afm可以清楚觀察到糖鏈間形成的環狀或螺旋結構，以及鏈內側枝繞合排列的樹枝狀結構，這種現象是由於糖鏈間和糖鏈內的氫鍵締合所致。
  8. By using single strand conformation polymorphism analysis of polymerase chain reaction ( pcr - sscp ), the frequency of codon 54 mutant allele of mbl structural gene in the population of hans was investigated. 3. the molecular beacon ( mb ) hybridization technique with visual monitoring was established

    建立聚合酶鏈反應單鏈構象多態性分析inglestrandconforma tlonpolymorphlsmanalysisofpol仰erasechainreactionproduction ， pcr sscp ）方法，初步調查漢族人群mbl基因ggc54gac突變情況。
  9. The principle of molecular design on the nonlinear optical materials has been introduced, and taking the long chain conjugated molecules and fullerenes including its derivatives as the examples, our research results have been reported

    本文介紹了非線性光學材料分子設計的原理，並以共扼長鏈分子和碳籠及其衍生物為例報道了我們在這方面的研究工作。
  10. Having an open - chain molecular structure rather than a ring - shaped structure

    無環的具有開鏈分子結構的，而非環狀結構的
  11. It is a very basic, single - chain protein with molecular weight about 14 kd. it shares 33 % sequence identity with bovine pancreatic rnasea and has structurally equivalent counterparts for the two histidines and one lysine that comprise the catalytic residues for ribonucleolytic activity

    它是由123個氨基酸組成的分子量約為14kd的單鏈堿性蛋白質，與牛胰核糖核酸酶有33的同源性，兩個組氨酸和一個賴氨酸殘基組成了血管生成素核糖核酸酶活性中心。
  12. The conclusions are as listed below : compared with absorption of fc16ab in chloroformon, the absorption peak of fcifrab in lb films shifted toward the shorter wavelength region, suggesting that some interaction among molecules due to the close molecular packing such as h - aggregates in the lb films. comparing uv - vis spectra of fc16ab in lb films deposited from cl - subphase with from aqueous subphase, this blue shift phenomenon of absorption demonstrated cl - made the compactness of fc16ab lb films increasing. ft - ir spectra of fc16ab in lb films at different temperature showed that there is a gradual disordering of alkyl chain from 27 ? to 200 ?, but no district phase transition appeared

    結論如下：紫外-可見光吸收光譜說明：與fc _ （ 16 ） ab氯仿溶液相比， lb膜的吸收光譜發生了藍移，這歸結于fc _ （ 16 ） ab發生了h -聚集以及抗衡離子可以使fc _ （ 16 ） ab的lb膜排列更緊密；變溫紅外光譜說明，隨著溫度升高， fc _ （ 16 ） ab的lb膜中烷基鏈的有序排布程度減弱，這表明該lb膜熱穩定性減弱，但在減弱的過程中沒有出安徽人學申請碩士學位論文摘要現相轉變。
  13. In this study, we designed a pair of primers based on the sequence of the upstream and downstream of chicken il - 2 gene. about 600 bp chicken il - 2 cdna fragment was cloned from cona - stimulated chicken splenocytes by reverse transcription - polymerase chain reaction ( rt - pcr ) and was subcloned into puc18 vector. recombinant clone was demonstrated by restriction enzyme digestion and dna sequencing. next, we construct recombinant plasmid pproex ? t - il - 2. the cdna of chicken il - 2 gene was subcloned into bamh i / hind iii sites of vector. the recombinant plasmid pproex ? t - il - 2 was transformed into e. coli dh5a and the bacteria was induced with iptg. it was demonstrated by sds - page and western blot that a 18kda protein which was equal to chicken il - 2 protein in molecular weight was expressed in e. coli dh5a. the expression level was up to 30 % of the total bacterial proteins. the purified protein was used to prepare the antibody against chicken il - 2 protein

    經酶切鑒定及dna序列測定，該基因為雞il - 2基因，其序列與sundick等報道的完全一致。在此基礎上，我們把雞il - 2基因亞克隆到大腸桿菌原核表達載體pproex ~ （ tm ） ht中，構建重組表達質粒並進行確證性序列測定，重組質粒測序結果表明將編碼雞il - 2成熟蛋白的基因正確地插入到原核表達載體pproex ~ （ tm ） ht的目的位點。重組質粒轉化受體菌dh5後用iptg於37進行誘導培養， sds - page和westernblot分析顯示，表達的雞il - 2融合蛋白分子量約為18kda ，表達的融合蛋白經薄層掃描發現目的蛋白表達量約占菌體蛋白的30 。
  14. In this reactor, a series of nano - sized crystals, one - dimension chain structure of [ cu ( idac ) ( h20 ) 2. and [ ag ( l - phe ) ] were formed through self - assembly with different length and diameter. the length and diameter of the nanorods could be adjusted by changing the molecular weight of peg and the content of the water in the reactor

    在該反應器中，通過改變peg的分子量和調節反應器中水的含量，過渡金屬離子和氨基酸分子通過自組裝方式結合形成了一系列不同長度和直徑的一維鏈狀的[ cu （ idac ） （ h _ o ） _ 2 ] _和[ ag （ l - phe ） ] _納米晶。
  15. Structures of the camp fibers were also discussed. the results showed that the hydrogen bonding between the pva and caa damaged the regularity of crystalline field and the crystallinity of the fibers reduced. the cluster structures of each phase in the blend were changed and movement of the molecular chain segment was reduced

    對camp纖維結構的研究表明， pva與丙烯酸-丙烯酰胺共聚物（ caa ）共混后，大分子間的氫鍵作用破壞了pva晶區結構的規整性，導致pva在camp纖維中的結晶性明顯減弱；兩種共混組分的聚集態結構發生變化，大分子鏈段運動受到影響。
  16. Wear mass loss of pa6 composites increases with the increasing of load. the matrix has optimal contents of fillers more or less nano - al2o3 cannot effectively link the molecular chain of pa6 matrix and reinforce pa6 ' s resistance to adhesive and abrading transfer wear

    『業人學碩十學位論文摘要佳填充量，在試驗配方中，當納米a120 :填充量為10phr時，尼龍6的磨損量最低，耐磨性最好。
  17. Abstract : polyphenylacetylenes were synthesized by rn ( nbd ) cl 2 and wcl6 / ph4sn catalyst systems in n2 at room temperature. polymers with high yield and high molecular weight were obtained. their structures were characterized by uv, ir, nmr and gpc, respectively. the fluorescence of the polymer solution with different concentration was investigated using variable excitation wavelength from uv to visible region. the relation between fluorescence and polymer structure was studied. the results showed that the molecular chain structure has great influence on fluorescence of the polymers. the emitting peak wavelength of fluorescence for the polymer of high stereoregularity is independent of solution concentration and excitation wavelength. the emitting peak wavelength of fluorescence for the polymer with disordered molecular chain arrangement varies with changing the solution concentration and excitation wavelength, and different emission sites in molecular chains and low emitting yield are shown. the measurement and analysis of fluorescence spectroscopy of polyphenylacetylenes may provide some useful information to judge the molecular chain arrangement in some conjugated polymers

    文摘:使用有機金屬銠、金屬鎢/四苯基錫催化劑體系聚合苯乙炔，分別獲得了高產率和高分子量的聚苯乙炔.使用uv ， ir ， nmr ， gpc等分別對聚合物結構進行了表徵.採用不同波長的激發光對聚合物熒光性能進行研究，詳細分析了聚合物結構與熒光性能之間的關系.研究結果發現，不同聚合物結構對聚合物熒光性能產生很大影響，規整性高的聚合物，將有較高的發光量子效率；聚合物規整性差，將可能導致多個熒光發光結構點，其熒光強度降低.聚合物熒光光譜研究將對某些共軛聚合物結構的規整性分析提供一些有用的信息
  18. By means of electron beam irradiation, some oxygen containing groupe are introduced on the molecular chain of lldpe, the interface compatibility of the composite is improved. the yield strength and young ' s modulus of ramie / lldpe are increased from 9. 78 mpa, 432 mpa to 13. 1 mpa and 633 mpa respectively

    經電子束輻照后， lldpe分子鏈中引入含氧基團，苎麻電子束輻照lldpe復合材料的界面相容性提高，復合材料的屈服強度、楊氏模量從9 . 78mpa 、 432mpa提高到13 . 1mpa 、 633mpa 。
  19. In this thesis, we study the nonlinear effects in electron - phonon interaction of one or quasi - one dimensional system with the nonlinearity of phonon ( lattice ). using the variational method and coherent method we study the ground state properties of one - dimensional molecular crystal and the soliton characteristics in protein molecular chain, respectively

    本文以較簡單的一維（或準一維）電子-聲子耦合系統為對象，在計入聲子（晶格）非線性的條件下，分別採用變分法和量子相干態方法研究了一維分子晶體基態的性質和蛋白質分子鏈中孤立子特性。
  20. In this paper, high density polyethylene / bentonite nanocomposites were prepared by simple melt compounding, their structures were demonstrated with x - ray diffraction, ft - ir spectra and dta. it was proved that the molecular chain of pe could be intercalated in layered silicate of organobentonite ， the intercalation nanocomposites were obtained

    本文採用簡單熔融插層復合法制備高密度聚乙烯/膨潤土納米復合材料，用x -射線衍射、紅外光譜和差熱分析等手段表徵了復合材料的結構，證實聚乙烯分子鏈確已進入有機膨潤土的硅酸鹽片層間，形成插層型納米復合材料。
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