chain reaction 中文意思是什麼

chain reaction 解釋
多極地址改變
  • 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】...
  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. Detection of h. pylori in gastric mucosa, gastric juice and saliva in children with polymerase chain reaction

    技術在兒童幽門螺桿菌感染中的應用
  7. 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。
  8. 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。
  9. 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。
  10. 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。
  11. 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 ） 。
  12. Nuclear fission nuclear fission and chain reaction

    核裂變及鏈式裂變反應
  13. For information on nuclear fission and chain reaction in a nuclear reactor

    若你想了解核反應堆內的核裂變及連鎖反應，請
  14. 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。
  15. Study of paternity identification with polymerase chain reaction

    技術在親子鑒定中的應用
  16. Pcr method for detection of salmonella with polymerase chain reaction

    用聚合酶鏈反應
  17. 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。
  18. 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。
  19. 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
  20. Detailed explanation and analysis of polymerase chain reaction

    技術詳解及分析
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