長鏈反應 的英文怎麼說

中文拼音 [zhǎngliànfǎnyīng]
長鏈反應 英文
long chain reaction
  • 長 : 長Ⅰ形容詞1 （年紀較大） older; elder; senior 2 （排行最大） eldest; oldest Ⅱ名詞（領導人） chief;...
  • 鏈 : 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
  • 反 : Ⅰ名詞1 （方向相背） reverse side 2 （造反） rebellion 3 （指反革命、反動派） counterrevolutionari...
  • 應 : 應動詞1 （回答） answer; respond to; echo 2 （滿足要求） comply with; grant 3 （順應; 適應） suit...
  1. Long chain alkyl benzenes is the product of cyclization - decarboxylation - aromatization of fatty acid, with the help of clay minerals catalytic effect, which comes from bacteria, seaseed and higher plant lipid ; or the reaction product of monocylic aromatics and fatty acid alkyl group under the same conditions

    長鏈烷基苯主要是細菌、藻類和高等植物類脂化合物中脂肪酸在粘土礦物催化下發生環化脫羧再芳構化或單環芳烴與脂肪酸烷基化反應形成的產物。
  2. Using v2 & 5 and alkylamines ( cs - cao alkyl chain ) as precursor, vanadium oxide nanotubes which have an unique structure that alkylamines intercalate into layers of tubes wall affecting the layer spacing were prepared. their layers spacing ranges from 1. 25 nm to 3. 82 nm according to the length of alkyl chain. moreover, the growth mechanism of vanadium oxide nanotubes have been investigated and 3 - 2 - id model was established to interpret the vanadium oxide nanotubes growth process. potassium niobate is a functional materials which can be used as photochemical catalysts. lt is well known that the catalytic activites are affected greatly by the surface area of catalyst particles on which the reaction take place

    以系列烷基胺和五氧化二釩為原材料，通過簡單的水熱反應合成出了氧化釩納米管，這種納米管結構獨特，烷基胺作為模板劑內嵌入納米管管壁層間，成為支持納米管的骨架，並影響層間距大小，納米管管壁層間距隨著烷基胺碳鏈長度的不同在很大范圍內變化，通過採用不同碳鏈長度的烷基胺（ c _ nh _ （ 2n + 1 ） nh _ 23 n 20 ）作為模板，來控制氧化釩納米管的層間距，層間距可調控范圍從1 . 25nm到3 . 82nm 。
  3. Polymers are most commonly formed by two main types of growth reaction traditionally referred to us condensation (step reaction) and addition (chain reaction) processes.

    形成聚合物的最普通方式是靠兩種主要的增長反應，習慣上分別稱做縮合（逐步反應）過程和加成（鏈式反應）過程。
  4. Small chains are efficient but induce local reactions, whereas longer chains ( > c14 ) are safer but less efficient

    碳鏈短的有效力，但是可能誘發局部不良反應；反之，碳鏈長（ > c14 ）更安全，但是效力不大。
  5. Our first organic - synthesis experiments in 1996, and much more extensive research by thomas mccollom of the woods hole oceanographic institution, demonstrate that f - t reactions can build molecules with 30 or more carbon atoms under some hydrothermal - vent conditions in less than a day

    1996年我們完成第一個有機合成實驗，加上伍茲赫爾海洋研究所的麥科洛姆所作的廣泛研究，兩者都顯示，在某種深海熱泉情境中，相關化學反應在一天之內就可合成含30個碳原子以上的長鏈分子。
  6. The urea - formaldehyde ( uf ) polymer / sio2 composite microspheres were prepared by polymerization - induced colloid aggregation ( pica ) method. the formation mechanism of composite microspheres is attributed to the fact that that urea and formaldehyde firstly undergo acid - catalyzed polymerization to form oligomers, and then the sol particles are adsorbed on the chain of oligomers by wan der walls force and hydrogen bonding. when the oligomers reach the critical chain length, they separate from solution due to phase separation

    對復合微球形成機理的研究表明，尿素和甲醛在酸性條件下自身聚合可以形成高分子微球，在sio _ 2酸性溶膠中發生聚和反應時，隨著反應的進行，齊聚物不斷生成， sio _ 2膠體顆粒逐漸吸附在齊聚物分子鏈上，當聚合物鏈達到沉澱臨界鏈長時，由於相分離作用，從前驅物溶液中析出，同時sio _ 2膠體顆粒均勻的分佈在脲醛聚合物網路中，隨之沉澱出來，形成脲醛sio _ 2復合微球。
  7. Single - walled carbon nanotubes ( swnts ) were opened and oxidized in the concentrated h2so4 / hno3 mixture ( volume ratio : 3 : 1 ), hydroxyl groups could be brought into the swnts after oxidation modification treatment, and the long - chain silane coupling agent was grafted onto swnts via hydroxyl - silanol route

    摘要採用混酸體系（濃硫酸濃硝酸體積比為3 / 1 ）對單壁碳納米管進行了氧化處理，並通過氧化處理后在單壁碳納米管表面生成的羥基官能團與長鏈硅烷偶聯劑進行反應，制備了表面有機修飾的單壁碳納米管。
  8. Fouriertransformation infro - red microspectroscopy micro - ftir technique was used to investigate the chemical compositions and structures of cutinite, vitrinite and fusinite from jurassic coals in tarim basin at different temperatures. the results show that the chemical structure of cutinite is mainly composed of long aliphatic - side chain with minor amounts of aromatic compounds. vitrinite is mostly composed of aromatic compounds, in addition to large amount of short aliphatic - side chain compounds. whereas fusinite are dominant by aromatic structure. the study indicates that cutinite is one of the best oil source - rocks, with the higher hydrocarbon - generation potential ; vitrinite is one of better gas source - rocks, and has medium hydrocarbon - generating potential ; fusinite has little hydrocarbon - generating potential. in addition, the components of aliphatic structures of cutinite, vitrinite and fusinite decrease, the aromatics are enriched and condensation of aromatic structure increases with increasing the temperature, and along with the rise of temperatures, the intensity of aliphatic structure and heteroatomic compounds decrease obviously, however the aromatic structure changes a little

    應用顯微紅外光譜技術，對塔里木盆地侏羅紀煤中有代表性的3種組分角質體鏡質體絲質體在不同熱模擬溫度下的結構組成變化特徵進行了研究，結果表明：角質體結構組成中含有較豐富的長鏈脂族結構，而芳香結構和含氧官能團的含量則相對較少與此相反，絲質體結構組成中芳香烴占絕對優勢，而脂族結構含量則很少鏡質體結構組成介於角質體和絲質體之間，含有較多的短鏈脂族結構和芳香結構。
  9. The high specificity of dot - ppa - elisa was proved by the specific blocking test, and also by the cross - reaction test in which the diaphragm did n ' t react with the antibodies against pasteurellosis, streptococcosis, colibacillosis, chlamydiosis, hcv, ppv, brucellosis, prv and foot - mouth disease. the diaphragm has good sensitivity and could detect some salmonella - positive test serum which has been diluted to 1 : 2048. stored at 4 for at least 6 months or at 10 - 25 " c for 4 months, the sensitivity and specif icity of the diaphragm did n ' t change, so it has good stability

    本研究制備的診斷膜片特異性強：不與豬衣原體病、豬口蹄疫病、豬大腸桿菌病、豬布氏桿菌病、豬瘟、豬偽狂犬病、豬細小病毒病、豬巴氏桿菌病、豬鏈球菌病的陽性血清發生交叉反應；診斷膜片具有良好的敏感性，能夠檢測到1 ： 2048稀釋的動物試驗陽性血清；膜片的保存期長，在10 25可保存4個月、 4條件下至少可保存6個月其靈敏度不變。
  10. 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。
  11. It is the reverse of the propagation step in addition polymerization.

    這一過程是加聚反應歷程中鏈增長步序的逆過程。
  12. Chain propagation reaction

    鏈增長反應
  13. After electrophorised on 1 % agarose gel, the pcr production was purified with agarose gel dna extraction kit. the segment was ligated with vector pmd18 - t and then was tranformed into the competent cell of dh5 a. a construction mstnd - pmd18t was generated by inserting the sequence of 254bp into pmd18 - t vector and selecting the sense clones. positive clone was identified by three ways : endonuclease digestion, pcr and sequencing. the result showed that the cloned sequence coincides with the designed sequence. this construction was digested with nco i and xho i and ligated the pet28a ( + ) vector digested with the same enzymes using dna ligation kit. the production of ligation reaction was transformed into the competent cell of bl21 ( de3 ). after 12 - 16 hours of culture, several colnes appeared on the plate. some positive clones were selected to extract their plasmid. these plasmids were digested by nco i and xho i and indentified by pcr. a contraction, mstnd - pet28a was generated. the result showed that the cloned sequence coincides with the designed sequence

    F _ 1長38bp ， r _ 1長36bp ，其它片段均40bp長， f _ 1和r _ 1片段兩端分別加上限制性內切酶nco和xho的識別位點序列。用成對單鏈片段進行延伸反應，然後用其他單鏈片段作為引物，進行pcr擴增，用dna快速純化回收試劑盒回收所得254bppcr產物，與pmd18 - t載體連接、轉化dh _ 5 。受體菌感受態細胞，利用藍白斑遺傳學篩選法篩選陽性克隆，提取其質粒，採用nco和xho雙酶切鑒定，獲得了254bp的片段；用pmd18 - t載體上的特異引物rv - m和m13 - 47進行pcr鑒定，獲得300bp的片段。
  14. Although document business is expected to decline as paper data can be transmitted via internet applications, overseas buyers tend to trim their inventory requirements by just - in - time supply chain management. thus, the demand for express services for handling last minute order, prototypes, samples and small packages would sustain the growth

    不過，海外買家越來越多採用及時反應的供應鏈管理，減少存貨，因此對處理緊急訂單、原型、樣辦及小批量貨物的速遞需求將推動業界的增長。
  15. Mechanism and kinetics of polychlorination of long chain n - alkanes by photo - initiation

    光引發長鏈正構烷烴多氯代反應機理與動力學
  16. Beginning with construction of order distribution cycle time, it explains there are three factors : big lot disposal 、 low efficiency in order distribution flow and disharmony in order distribution chain that cause long order cycle time now, discusses the three factors how to cause long order distribution cycle ， and brings forward two ways : using quick response system and information technology to solve these questions

    從訂貨配送周期的構成出發，說明目前造成長訂貨配送周期的因素有三個：大批量處理、低效率的訂貨配送流程和訂貨配送鏈協調不好。探討這三個因素如何造成長訂貨配送周期的，針對存在的問題提出解決的辦法：快速反應系統和使用信息化技術。
  17. The cdna encoding growth hormone ( gh ) peptide was amplified by reverse transcription polymerase chain reaction ( rt - pcr ) method using isolated total rna as template

    應用逆轉錄-聚合酶鏈式反應（ rt - pcr ）技術克隆得到編碼草魚生長激素（ cgh ）的基因cdna ，並定向克隆到puc18載體上。
  18. Metachromasia, electrophoresis, and gel chromatography have shown that the charge of mps and its chain length remain unchanged

    利用藥物的變色反應性，電泳和凝膠色譜法顯示mps （多磺酸粘多糖）的電荷及其鏈長沒有改變。
  19. In this study, the whole e2 genes of two strains of classical swine fever virus ( csfv ) isolated from guangxi ( gx ) were amplified by reverse transcriptase polymerse chain reaction ( rt - pcr ) method and seqenced. the e2 gene fragments of csfv were 1090 base pair in length and encoded 364 amino acid residues

    研究採用反轉錄?聚合酶鏈式反應（ rt ? pcr ）技術對兩株分別從柳州（ gxlz ）和南寧（ gxnn ）分離的廣西流行豬瘟病毒（ classicalswinefevervirus ， csfv ）進行e _ 2全基因的擴增、克隆和測序。擴增片段長度為1090bp ，編碼364個氨基酸殘基。
  20. All the subjects were genotyped by pcr - rflp ( polymerase chain reaction - restriction fragment length polymorphism ) at polymorphic sac i site inside the exon 7 of the ahsg gene. this polymorphism involves a nucleotide substitution of c to g at the middle nucleotide of the codon at amino acid position 238 resulting in the replacement of threonine ( acc ) with serine ( agc )

    所有的樣本通過聚合酶鏈式反應?限制性片段長度多態性方法（ pcr - rflp ）對ahsg基因的第7個外顯子內的sac多態性位點進行基因分型，該多態性位點為238號氨基酸密碼子中間的堿基c到g的替換，使蘇氨酸（ thr ， acc ）變為絲氨酸（ ser ， agc ） 。
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