secondary structure 中文意思是什麼

secondary structure 解釋
次級結構
  • secondary : adj 1 第二（位）的，第二次的；中級的 （opp primary）。2 副（的）；從屬的；附屬的；輔助的；補充的...
  • structure : n. 1. 構造，結構；組織；石理，石紋。2. 建造物。3. 【化學】化學結構。4. 【心理學】（直接經驗中顯現的）結構性，整體性；整體結構。adj. -d ,-less adj.
  1. In the secondary structure of peptide, dihedral angles and are the essential factors of c - h bde. each pair of (, ) has unique bde value which varies with the different combination of and

    在多肽鏈的二級結構中，二面角中和w是影響c hbde的主要因素，每一對（ p ， w ）對應一個bde值， bde的數值隨中與w的變化而變化。
  2. We have observed the following characteristics of anatomical structure and development : ( 1 ) the primary roots belong to archetype and the lateral roots occur in the position toward the xylem of the vascular cylinder ; ( 2 ) the root endodermis consists of thicken casparian strips, and there are from two lo four layers parenchyma cells near the pericycle ; ( 3 ) the pith and resins canals are absent in the toots ; ( 4 ) secondary structure occurs in the root hair zone, and vascular cambium is formed from the parenchyma cells between the primary xylem and primary phloem ; ( 5 ) tanning materials are abundant in pericycle cells and phelloderm cells ; ( 6 ) sclereids are found in secondary phloem, and rays are rather rich in secondary xylem

    結果表明：氣生不定根具有以下結構特徵和發育特點： （ 1 ）根為二原型，側根正對著木質部發生； （ 2 ）幼根內皮層細胞具凱氏帶加厚，維管柱內緊挨中柱鞘內側具有2 ~ 4層大型薄壁細胞； （ 2 ）根中無髓和樹脂道； （ 4 ）次生結構發生於根毛區，維管形成層由初生木質部和初生韌皮部之間的薄壁細胞轉化形成； （ 5 ）中柱鞘和栓內層細胞富含單寧類物質； （ 6 ）次生韌皮部有石細胞，次生木質部射線發達。
  3. The relationship between protein secondary structureand messenger rna secondary structure

    多肽鏈二級結構的氫鍵定義及氨基酸殘基間的氫鍵分佈
  4. Cells only the chromatin or chromosomes are heavily stained, the other components are bleached. after the chromosomes are stained by nama - ur, we have observed that the highest order structure of chromosomes is helical ; while the secondary structure is radically folding. the dna fibres with a diameter of 2530 nm have radically folded into chromatid fibres in a diameter of approximately 250 nm

    染色體經dna特異染色后，觀察到其最高層次結構是螺旋的，而次級結構存在著放射環結構，即由直徑為2530 nm的dna纖絲放射狀折疊排列成約250 nm左右的染色單體絲染色單體絲進一步螺旋形成中期染色體結構。
  5. The predicted secondary structure of the protein displays multiple putative transmembrane domains

    1 。計算機軟體分析表明，其編碼的蛋白具有多次跨膜樣結構域。
  6. An attempt to use rrna secondary structure characters in fungal systematics

    二級結構序列用於真菌系統學研究的方法初探
  7. The extracellular 100pl ( ecl1 ) and ecl2 was linked by disulfide bond to maintenanced the stability of the protein secondary structure. in recent years, we showed that ccr5 as a co - receptor could interact with hiv - 1 infect ion. ccr5 was paid closed attention to since it was cloned in 1996. the aim is to - obtain the sequence of first extracillular domain of 3 chemokine receptor 5 ( ccr5 ) n - terminal gene fragment with high level expression in e. coli and to prepare its specific antibody f ( ab ' ) ;, and its detected method

    Ccr5具有g蛋白偶聯受體家族（ g - proteincoupledreceptors ， gpcrs ）所特有的7個跨膜區（ transmembrinedomains ， tm ） ，呈螺旋， tm的氨基酸有很高的保守性，膜外第一襻（ extracellularloop1 ， ecl1 ）和ecl2之間有二硫鍵相連，以維持蛋白質二級結構的穩定性。
  8. To investigate the secondary structure of this gene, we found it has a transmembrane region near the n - terminus, followed by a proline - rich conserved region, and it has a conserved haemachrome binding region about 60 aa away from carboxyl terminus

    分析氨基酸序列的二級結構發現基因n -端具有跨膜的疏水序列，其後具有富含脯氨酸保守區，在距離羧基端60個氨基酸處具有高度保守的血紅素結合域。
  9. The md simulation data were analyzed in terms of average atomic positions, root mean square ( rms ) fluctuations, monomer - monomer interactions, hydrogen bond ( h - bond ) network, secondary structure, and so on. through the comparison, we found that when the system includes zn2 + ions and phenol, the stability of insulin hexamer is enhanced, but the conformational flexibility related to its biological activity is decreased. in addition, the insulin hexamer tends to dissociate in the absence of zn2 + and phenol

    通過對這兩個模擬所得到的軌跡在原子的平均位置、方均根漲落、方均根偏差、單體之間相互作用、氫鍵網路、二級結構等方面進行的比較分析發現，對于包含鋅離子和苯酚的體系，胰島素六聚體的穩定性得到了增強，但其構象柔性卻受到了削弱；對不含鋅離子和苯酚的體系，胰島素六聚體的穩定性明顯減弱，構象柔性卻表現得較為突出，在這種情況下，胰島素六聚體還表現出解聚的傾向。
  10. ( accession numbers : ay184425 - ay184440 ). combined with other several full 12s rrna sequences of chinese water deer, montijac, water deer, cow, horse, goat and tragulus retrieved from genbank database, the whole set of sequences was utilized for downstream analysis based on theories and models in molecular phylogeny, whereas the secondary structure of 12s rrna was predicted and analyzed based on present small subunit of ribosome model

    將上述序列與從genbank檢索到的獐、麂、水鹿、牛、馬、羊、鼷鹿的12srrna基因全序列一起，通過應用分子系統學理論與模型分析序列數據，以及對12srrna二級結構的分析，得出了以下主要結論： （ 1 ）用最小進化方法（ me ）和鄰接法（ nj ）對12srrna基因的全序列構建分子系統樹的拓撲結構基本相同。
  11. A new method for intrinsic terminator prediction based on rnall, an rna local secondary structure prediction algorithm developed recently, and two u - tail score schemas are developed. by optimizing three parameters thermodynamic energy of rna hairpin structure, u - tail t weight, and u - tail hybridization energy, the method can recognize 92. 25 of known terminators while rejecting 98. 48 of predicted rna local secondary structures in coding regions negative control as false intrinsic terminators in e. coli. this method was applied to scan the genome of synechococcus sp

    在過去二十年中，不少研究者已開始研究如何用計算方法來預測轉錄終止信號，如brendel和trifonov的雙核苷酸分佈矩陣法dinucleotide distribution matrix carafa等的統計方法transterm和rnamotif法等，這些方法都從不同方面考慮了rna二級結構和u -尾部的特徵，而gester的預測模型則設定rna二級發夾結構是不依賴終止子的唯一因素。
  12. Was released, which was confirmed by molecular mass and amino acid composition analysis. ultraviolet and circular dichroism spectra were used to test the secondary structure of - mt - 3. distinct from other - mt, - mt - 3 showed a negative trough at about 220nm in the cd spectrum, suggesting that an - helix might exist in its secondary structure

    紫外吸收光譜及圓二色性光譜研究重組- mt - 3的結構。 mt - 3的與其餘mt的結構域不同， - mt - 3的圓二色性光譜在220nm左右為負峰，說明- mt - 3可能包含一個-螺旋的二級結構。
  13. Different migs / substrate reacting concentrations were tested, the best migs / substrate ratio was 2 : 1 and too much m1gs led to substrate degrading. it was also found that the secondary structure affected the action of m1gs

    對m1gsdna模板和4個底物模板分別進行體外轉錄，獲得核酶m1gs的rna片段以及帶有~ （ 32 ） p放射性標記的四個底物rna片段。
  14. Analysis of petroleum geology, reservoir types and distribution in lujiapu depression indicates that : the forming and distribution of reservoirs had been controlled by source area, source - reservoir relationship, petrophysical characteristics, sedimentary facies and secondary structure, and oil is most abundant in reservoirs around hydrocarbon kitchen ; the upper member of jiufutang formation which was entrained or embedded in the main oil source layer has well developed reservoir and good petrophysical property and is the principle oil - bearing interval ; the mid - fan and fan delta front of nearshore submarine fan is the most favorite facies ; the steep slope of the depression mainly consists of structural reservoirs, the slope belt mainly consists of structural - lithologic and updip pinchout reservoirs, the depressed belt mainly consists of lenticular lithologic reservoirs

    摘要對陸家堡凹陷油藏形成的石油地質條件、已知油藏類型及分佈的分析認為：生油區、生儲配置關系、儲集物性、沉積相帶和二級構造帶控制了油藏的形成和展布，其中圍繞生油窪陷的油藏含油最豐富；夾持或嵌入主要生油層中，儲層發育、儲集物性又相對較好的九佛堂組上段是主要含油層段；近岸水下扇的扇中和扇三角洲前緣是最有利的相帶：凹陷的陡坡帶以構造油藏為主，斜坡帶以構造巖性及儲層上傾尖滅油藏為主，深陷帶主要為透鏡狀巖性油藏。
  15. In summary, we constructed a structure framework on the eastern district of the nanpanjiang depression, made a new structure regionalism, confirmed that the border of nanpanjiang depression was nandan - du ' an fault and xialei - lingma fault, and analyzed the structural characteristics of secondary structure units in detail

    在上述研究的基礎上，對南盤江坳陷東部地區進行了構造格架的建立和構造區劃，確定了南盤江坳陷的東部邊界為南丹-都安斷裂帶，南部邊界為下雷-靈馬斷裂帶；並對二級構造單元的特徵進行了分析。
  16. The local volcanic tuff and the secondary structure mainly control the formation of this ore deposit, which metallogenic principle is relevant to the tectonic movements

    雄村礦床成礦主要受到礦區內的火山凝灰巖巖和二級構造來控制。它的成礦機制與構造運動有關。
  17. According to the gene sequence and secondary structure of hcv ns5b, we design the sirnas targeting ns5b gene following with the requirement for sirnas design from tuschl et. al and synthesize it from dharmacon company ; hepg2 cell stably expressing ns5b - egfp protein was trasfected by synthesized sirnas with electroportion, the non - transfected cell and non - specific sirnas transfected cell are c onsidered as control group ; inhibitory effect of sirnas was investigated by fluorescence microscope with dapi dyeing and by semi - quantitative rt - pcr

    然後根據dsrna設計原則，結合nssb基因的序列特徵，藉助生物信息學軟體設計了針對nssb基因的sirnas ，並交由公司化學合成；電穿孔法轉染上述穩定轉染的細胞克隆，同時分別以非特異的sirnas轉染組和空白轉染組為對照， dapi染色后通過熒光顯微鏡和內標化rtpcr檢測，初步證實了化學合成的sirnas可以特異阻斷nssb基因的表達。
  18. Huangyal4 was complete nucleotide sequence of 1 854 bp with a nucleotide orf ( 1575 bp ), which encoded a protein consisting of 524 aa with molecular weight of 62. 2 kda and pi of 8. 96. strongly basic ( + ) amino acids, strongly acidic ( - ) amino acids, hydrophobic amino acids and polar amino acids of the protein were 13. 74 %, 11. 64 %, 36. 45 % and 22. 70 % respectively, and predicted secondary structure of the protein revealed many conserved domains such as n - glycosylation site, protein kinase c phosphorylation site, casein kinase ii phosphorylation site, n - myristoylation site, camp - and cgmp - dependent protein kinase phosphorylation site, tyrosine kinase phosphorylation site and a cytochrome p450 cysteine heme - iron ligand signature which was typical of cytochrome p450. a - helix and b - sheet of the protein is 47. 7 %, 45. 0 % respectively

    Huangya14 ）為材料分離克隆到一個細胞色素p450基因，命名為bccyp86mf5 ， cdna全長1854bp ，含1575bp的完整開放閱讀框，編碼524個氨基酸，其編碼蛋白質的分子量為61 . 2kda 、等電點為8 . 96 ；堿性氨基酸、酸性氨基酸、疏水氨基酸和極性氨基酸分別占總氨基酸的13 . 74 、 11 . 64 、 36 . 45和22 . 70 ；二級結構預測包括n -糖基化位點、依賴于camp和cgmp的蛋白激酶磷酸化位點、蛋白激酶c磷酸化位點、酪蛋白激酶磷酸化位點、酪氨基酸激酶磷酸化位點、 n -豆蔻酰化位點和細胞色素p450的典型區域，半胱氨酸亞鐵血紅素配體信號區等， -螺旋和-折疊分別佔47 . 7 、 45 . 0 ；與bccyp86mf1基因的氨基酸序列同源性達到95 . 2 ，與擬南芥cyp86c4的達到85 . 9 。
  19. The simulation results show that the power factor and efficiency of lim are much lower than that of rotary induction motor due to end effect and big air gap of lim. end effect force has a great influence on the thrust of lim. the performance of lim can be improved with the proper secondary structure, small air gap, big goodness factor or heavy load

    結果表明:受邊端效應及大氣隙影響，直線感應電機功率因數及效率較低;運行狀態下的邊端效應力對電機推力有較大影響;設計電機時選用合適的次級材料、減小氣隙、增大品質因數、增加負載都可提升電機的輸出性能，通過設計有效的控制演算法可使電機在額定滑差下具有較高的運行效率。
  20. Results essential oil was not found in the promeristem of stem ; in the primary meristem of stem and the early stage of stem ' s primary structure, the essential oil was mainly distributed in glandular hairs ; in the primary structure of stem, the essential oil was mainly distributed in cortex parenchyma cells ; in the secondary structure of stem, the essential oil was mainly distributed in remaining cortex parenchyma cell

    結果在廣藿香莖的原分生組織中，未觀察到有揮發油分佈；在莖的初生、分生組織和初生結構形成早期，揮發油主要分佈在莖表皮上著生的腺毛中；在莖的初生結構中，揮發油主要分佈在皮層薄壁組織細胞中；在莖的次生結構中，揮發油則主要分佈在殘存的皮層薄壁組織細胞中。
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