chain reaction the 中文意思是什麼

chain reaction the 解釋
浩劫大逃亡
  • 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...
  • reaction : n 1 反作用,反應;反沖;反動力。2 【政治學】反動,倒退;復古(運動)。3 【化學】反應,【物理學】...
  • the : 〈代表用法〉…那樣的東西,…那種東西。1 〈用單數普通名詞代表它的一類時(所謂代表的單數)〉 (a) 〈...
  1. The insulin - like growth factor - 2 ( igf - 2 ) and igf conjugated protein - 6 ( igfbp - 6 ) mrna level in rat calvaria bone tissue and mc - 3t3 - el cells were detected by northern blotting analyses and reverse transcription polymerase chain reaction. the estrogen responsive element ( ere ) in igfbp - 6 gene promoter was identified and involved in tcdd - reduced regulation of the gene expression by electromobility shift assays ( emsa )

    正常胎鼠頭蓋骨組織igf一2mrna呈高水平表達狀態,而igfbp一6mrna的水平較低; ccf胎鼠頭蓋骨骨組織內igf一2mrna的表達較正常胎鼠降低, igfbp一6mrna的表達則明顯升高; atra和e :聯合應用時, atra可以抑制雌激素對細胞內igf一2和igfbp一6的這種調節作用。
  2. In this study, iltv - nm98a strain and iltv - wanggang strain were multiplied in chorioallantois. a pair of primers were devised according to the nucleic acid sequence of iltv tk gene and the dna of multiplied virus was used as pattern to amplify the gene of tk by polymerase chain reaction ( pcr ). the product of pcr was linked with suitable plasmid. then, the recombined plasmid was converted to escherichia coli. the converted escherichia coli

    根據已發表的iltvtk基因的核苷酸序列設計一對pcr引物,以增殖的兩株iltv的dna為模板,分別對它們的tk基因進行pcr擴增。將回收的pcr產物連接到適當的質粒載體上,轉化感受態大腸桿菌,通過篩選對iltvtk基因的陽性克隆進行擴增培養。
  3. Degenerate oligonucleotides to highly conserved regions of cucumis melo 1 - aminocyclopropane - 1 - carboxylic acid ( acc ) oxidase gene were used to prime the amplification of fragment of 128bp by ploymerase chain reaction ( pcr ) in samples of genomic dna from fruit of cucumis melo l. cv hetao flesh, which was cloned into plasmid vector pmd - 18 - t. the clon of antisense orientation were selected, and it was inserted downstream of camv35s promoter and enhancer " " of tmv into the plant expression vector pbinyxw, antisence expression vector pbinya was constructed. at the base that pollination and fertilization of cucumis melo l. cv hetao was studied, using pollen tube pathway transformate cucumis melo l. cv hetao, 76 fruit had been obtained, moreover, hardness and content of sugar were analysed

    本實驗以河套蜜瓜果肉基因組dna為模板,用甜瓜acc氧化酶基因特異寡核苷酸鏈為引物進行pcr擴增,得到128bp的擴增產物。將得到的擴增產物克隆到質粒載體pmd - 18 - t上,篩選反向克隆,然後將其反向構建到植物表達載體pbinyxw的camv35s啟動子和tmv增強子「 」的下游,構建成反義表達載體pbinya 。並在對河套蜜瓜授粉受精生物學研究的基礎上,通過花粉管通道法轉化河套蜜瓜,共獲76顆瓜,並進行了硬度和含糖量的分析。
  4. Methods dna sequences of the coagulase were examined by polymerase chain reaction - sigle strand conformation polymorphism ( pcr - sscp ) method and were identified by sequencing

    方法利用酶切及sscp技術檢測凝固酶基因序列改變情況,並測序進行確證。
  5. Contaminated eggs in the incubator set off a chain reaction of exploding eggs.

    污染雞蛋在孵化器里會引起雞蛋爆裂的連鎖反應。
  6. 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。
  7. A pair of primers were chemically synthesized based on the cdna sequence of hog cholera virus strain brescia and used to amplify the cdna fragments of envelope glycoprotein e2 gene of hclv which coding the major protective antigen by reverse transcription - polymerase chain reaction ( rt - pcr ) from total intact rna extracted from infected calf testicle cell culture by hclv

    以豬瘟兔化弱毒犢牛睪丸細胞毒( hclv )中提取的細胞總rna為模板,以rt - pcr技術,擴增出了完整e2基因的cdna片段。經電泳、酶切分析,證實了所擴增片段為e2基因特異性片段。
  8. Manhattan project : a team led by enrico fermi initiate the first self - sustaining nuclear chain reaction

    1942年曼哈頓計劃:一支由恩里科?費爾米率領下的小組啟動了第一條自給核反應鏈。
  9. G gene of rabies virus m, the of two main regions ( about 1000nt ), ranging from 3161nt to 4162nt and ranging from 4012nt to 4863nt of glycoprotein gene of rabies virus strain m, isolated from mouse in he nan, china were amplified by reverse transcriptase - polynerase chain reaction ( rt - pcr ) in order to complete glycoprotein gene of strain m. these regions were sequenced by the produce of pcr directly. comparison and analysis of nucleotide sequence and amino acid sequence deduced with that of other strains published was performed by computer with dnasisv 2. 5demo software

    本研究對我國河南某地野鼠體內分離的狂犬病野毒株mrv基因的3161位? 4162位( 1001個堿基)和4012位? 4863位( 851個堿基)片段進行了反轉錄pcr擴增和序列測定,得到mrv的糖蛋白基因全序列,用dnasisv2 . 5demo分析軟體,與已發表的代表性毒株g基因全序列進行核苷酸和氨基酸序列的比較分析,結果表明在同一基因型中, mrv和國際標準攻毒株cvs的同源性最高( 96 . 5 ) ,和中國減毒株ctn的同源性最低( 79 . 8 ) 。
  10. The nucleoprotein ( n ) gene of three strains and glycoprotein ( g ) gene of 119, gxbm were amplified by reverse transcription - polymerase chain reaction ( rt - pcr ), respectively

    對三株的n基因和119 、 gxbm株的g基因進行了rt - pcr擴增、克隆和測序。
  11. Marek " s disease virus ( mdv ) phosphoprotein 24 ( pp24 ) gene was amplified from md11 strain by polymerase chain reaction ( pcr ). then we cloned it into the downstream of gst gene according to the right open reading frame ( orf ) in pgex - 6p - l vector

    本研究將型mdvmd11株的pp24基因的完整orf克隆入原核表達載體pgex - 6p - 1中,重組質粒pgex - pp24轉化bl21宿主菌后,經iptg誘導表達。
  12. In this paper, 45 e. coli strains isolated from chicken farms in sichuan province were determined to be the pathogenic e. coli by animal test. type 1 pili of 45 strains isolated was detected by msha. the pila gene of 45 avian pathogenic e. coli strains were amplified by the polymerase chain reaction ( pcr ) with primers designed according to the sequence of the pila gene in genbank. results showed that pcr was more sensitive, faster and more characteristic than msha to detect type 1 pili

    本研究將從四川規模化雞場分離鑒定、經1日齡雛雞致病性試驗得到的雞源致病性大腸桿菌45株,採用d -甘露糖敏感血凝試驗( msha )檢測1型菌毛,根據genbank中公布的人源大腸桿菌1型菌毛pila基因序列設計一對引物用pcr擴增雞源致病性大腸桿菌1型菌毛pila基因。
  13. To study on structure and inheritance of rh d gene interaction between gene expression of rh d and rh c / e and influences on rh d gene expression of inserts and rh box - methods : 20 pairs of oligonucleotide specific primers for exon, intron 2 4, insert and rh box of rh d, rhc / e gene were designed and composed the polymerase chain reaction - sequence specific oligonucleotide primer ( pcr - ssp ) was used to amplify the rh c / e gene, rh d gene, exon, intron, insert and rh box in 106 samples of unrelated individuals and 7 han nationality ancestries and 5 wei nationality ancestries whose proband were rh d - negative

    目的:觀察中國漢族非血緣關系隨機個體、漢族及維吾爾族家系rh血型的c e基因、 d基因外顯子、內含子、插入片段以及rhbox ,研究rhd基因結構及遺傳規律, d基因表達與c e基因的關聯,以及插入片段和rhbox對d基因表達的影響。
  14. The chain reaction is self-sustaining.

    連鎖反應是自持的。
  15. 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。
  16. The slump on wall street set up a chain reaction in stock markets around the world.

    華爾街金融滑坡引起世界股票市場的連鎖反應。
  17. When no hydrogen is left in the core, p - p chain reaction stops. remember that solar mass stars burn hydrogen through p - p chain producing helium, while stars more massive than 1. 1 solar masses undergo the cno cycle

    當核心氫氣燃燒殆盡之後,質子質子鏈便會停止還記得約相等於一個太陽質量的恆星是用質子質子鏈把氫原子核轉化為氦原子核嗎?
  18. Fully inserted into the reactor, the control rods halt the chain reaction.

    完全插入反應堆中,控制棒使鏈式反應暫時停止。
  19. Reaction, which consists of several steps. interested students should look up the textbooks for a discussion of the details of the p - p chain reaction. the net effect is that four hydrogen nuclei fuse into a helium nucleus and produce a large amount of energy carried away by the photons in the form of gamma ray and others particles

    ,這種機制包括一連串的核反應有興趣的讀者可參考課本較詳細的討論,但總結果是四顆氫原子熔合為一顆氦原子,過程中會以發放伽瑪射線光子及其他粒子的形式釋放出大量能量。
  20. Already i can see the chain reaction the chemical precursors that signal the onset of an emotion designed specifically to overwhelm logic and reason

    我看得到你在想什麼,你大腦里的化學物質觸發情感,讓情感戰勝理性和邏輯。
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