poly a 中文意思是什麼

poly a 解釋
acid]多聚腺苷酸
  • poly : n. 〈口語〉1. 工藝學校（＝polytechnical school）。2. 聚酯纖維（＝polyester fibre）。
  • a : an 用在以母音音素開始的詞前〉 indefinite art 1 〈普通可數名詞第一次提到時，冠以不定冠詞主要表示類...
  1. Detail mapping shows that the yagan mcc consists of crystallized metamorphic core ( low plate ), detachment zone and upper plate. the metamorphic core consists of can be further subdivided into two level parts low - level high metamorphic and upper - level shallow metamorphic structural slice and between them there exists a ductile shear zone. thus the whole texture of the mcc is characterized by " three layers and tow zones " this reveals a process of extensional uplift of poly - level slices by poly ductile shear zones, a characteristics of poly - level extensional structural systems. the deformational environments change vertically in a sequence of high amphibolite facies

    亞干變質核雜巖由下盤結晶巖系變質核、拆離帶和上盤巖系構成，其中，變質核由四個單位及許多花崗巖體（脈）組成，可進一步分為中深和中淺變質兩個構造單位（巖片） ，之間發育次級韌性拆離帶（花崗質糜棱巖帶） ，加上上盤總體構成「三層兩帶」的結構特點。
  2. The cutin layer on leaves is thin. there are a lot of cup - shaped poly - cell salt glands in depressed sites of both up - and under - epidermis

    葉表面角質層薄；上下表皮均有杯狀多細胞鹽腺，凹陷於表皮之內。
  3. Pcl could form banded spherulites through blending with poly ( bisphenol a - co - decane ) lamellar structures of banded spherulites of poly ( s - caprolactone ) / poly ( vinyl chloride ) ( pcl / pvc ) blends were observed using tapping mode atomic force microscopy ( afm )

    利用原子力顯微鏡（ afm ）的輕敲（ tapping ）模式，系統地研究了聚-己內酯聚氯乙烯共混體系形成的環帶球晶表面形貌和片晶結構。
  4. Fandango, 48 % poly, 48 % vis, 4 % spandex. original is herringbone. buyer also would like to see this quality in atwill weave ( a tradintional gabardine weave )

    滌綸， 48 %粘膠， 4 %氨綸.原因是人字紋，客戶想看看同樣品質的斜紋（傳統的華達呢斜紋） 。
  5. The thermodynamic free energy on mixing and the spinodal equation in ternary homopolymer blends were obtained by making plausible approximation based on flory ' s equation of state theory. because of the non - linear behavior of the spinodal equation, a numerical solution approach was used and succeeded in solving the problem. spinodal of polystyrene ( ps ) / poly ( vinyl methyl ether ) ( pvme ) / poly ( 2, 6 - dimethyl - 1, 4 - phenylene oxide ) ( ppe ) were simulated over a wide temperature range and the calculated result was coincidence with that of the literature

    將上述方法用於已知狀態方程參數的二元均聚共混體系聚苯乙烯（ ps ） /聚甲基乙烯基醚（ pvme ） ，三元均聚共混體系聚苯乙烯（ ps ） /聚甲基乙烯基醚（ pvme ） /聚2 ， 6 -二甲基1 ， 4 -苯撐氧（ ppe ） ，得到一系列不同溫度下的spinodal相圖，預測結果與文獻報道吻合，在此基礎上進一步研究了聚合物的分子量對體系相行為的影響。
  6. Studies on the liquid crystalline characters and phase transition behaviors of a poly ester imide copolymer

    聚酯酰亞胺共聚物的液晶特性和相轉變研究
  7. For example, poly ( xylylviologendibromide ) and 4, 5 - bis ( 4 - methoxyphenyl ) - 2 - ( 4 - nitro - pheny ) imidazolium acetate di - hydrate ( c23h20n3o4 + c2h3o2 - 2h2o ), the hydration or dehydration of the crystal structure is related to the color charge of the crystal. the thermochromic schiff bases are the other family of compounds that show a self - isomerization induced by an intramolecular proton transfer from the hydroxyl oxygen to the imine nitrogen through the o - h. . n hydrogen bond, and they were observed thermochromism

    利用液相法合成了兩種具有熱色性新的有機水合物， x射線單晶衍射確定了這兩種水合物的結構，利用uv 、 ir 、原位升溫紅外、原位升溫紫外、 tg - dsc探討了它們的變色機理。
  8. This article mainly focus on the selection and amelioration of catalyst. we think the mechanism of depolymerization reaction of the poly lactic acid ( oligomer ) is a intramolecular ester exchange reaction

    本文從改善合成反應的催化條件入手，通過對丙交酯合成反應的機理分析，認為整個反應是一個酯化和分子內的酯交換的反應過程。
  9. The substance with antibacteria action obtained from forest frog is made up of alanine, aminoacetic acid, leucine, isoleucine, proline, aminoglutaric acid, threonine, serine, lysine. the substance with antibacteria action is a kind of poly peptide with a micromolecul

    純化的林蛙皮膚抗菌活性物質經尿素? sds ? page電泳分析，表現為一條帶，分子量約為6 . 28kda 。
  10. 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。
  11. Watthour meters in moulded insulation case without instrument transformers, up to 60 a rated maximum current ; principal dimensions for poly - phase meters

    最大額定電流在以下的不帶儀表互感器模塑
  12. Poly ( a ) + rna was isolated from the salt - induced aloe vera l. leaves as tester and the normal aloe vera l. leaves as driver, and single - strand cdna and double - strand cdna were sythesized in turn

    乙， ）和鹽敏感品種皂質蘆薈（ a了。 。胭p助打邵施叫為材料，進行了northernblotting和酶活測定。
  13. A late transcriptional motif, ataag, was found at - 50nt upstream of the translational start codon atg, while two tata box was located at - 112nt and - 189nt upstream of atg. a typical poly ( a ) signal was found at 12nt downstream of the translational stop codon

    在hel起始密碼子atg上游50位有強晚期啟動子轉錄起始信號ataag ，在? 112位和? 189位存在兩個tatabox ，但未發現早期轉錄信號cagt 。
  14. Rt - pcr showed that the gfp transcripts from wild type nicotiana benthamiana inoculated with the tnos deletion vector lacked a normal poly ( a ) tail

    接種野生型本生煙后的rt - pcr結果表明， gfp - atnos載體瞬時表達所產生的gfprna可能沒有poly （ a ）尾序。
  15. In this research two full - length cdnas have been cloned by a combination of rt - pcr and 3 " - is1 - race with synthesized degenerate primers from young leaves of vicia faba l., pichia methanolica high - level expression systems of the genes have been constructed, and the milligram expressed protein was purified using probond resin purification system, which may result in further identification of the function of the aba binding protein. the full - length cdna of abp370 fragment is 3449 bp long and has an open reading frame of 2304 bp encoding 768 amino acids with 876 bp long 5 ' - utr, 369 bp long 3 ' - utr and poly ( a ) tail. the full - length cdna of abp640 fragment is 1012 bp long and has an open reading frame of 780 bp encoding 260 amino acids with 88 bp long 5 ' - utr, 144 bp long 3 " - utr and poly ( a ) tail

    3 - 5 - race擴增片段序列分析結果表明， abp370擴增片段的全長cdna為3449核苷酸，其中5非翻譯區為876個核苷酸， 3非翻譯區為369個核苷酸並末端帶poly （ a ）尾巴，從起始密碼子atg至終止密碼子tga ，含有一個編碼768個氨基酸殘基的開放閱讀框架（ 2304bp ） ； abp640擴增片段的全長cdna為1012核苷酸，其中5非翻譯區為88個核苷酸， 3非翻譯區為144個核苷酸並末端帶poly （ a ）尾巴，從起始密碼子atg至終止密碼子taa ，含有一個編碼260個氨基酸殘基的開放閱讀框架（ 780bp ） 。
  16. The cdna is 2 149 bp long with an open reading frame of 1 697 bp, which encodes a polypeptide of 565 amino acids, preprotein of 62. 3 kda ; 5 " untranslated regions contains 59nt, 3 " untranslated regions contains 391nt, a poly ( a ) tail signal and long poly ( a ) tail

    該cdna全長2149bp ，包含一個1697bp的開放閱讀框架，編碼565個氨基酸。在起始密碼子上游有一個由59個堿基組成的5 』非編碼區；在終止密碼子下游有一個由391個堿基組成的3 』非編碼區，包括4個分解信號、 1個加尾信號和1個長度為17個腺苷酸的poly （ a ）尾。
  17. It has been known that polyadenylation of 3 " end of mrna in prokaryotes is different from that of eukaryotes. the poly ( a ) tracts in bacteria are generally short, ranging from 15 - 60 adenylates residues and associated with only 2 - 60 % of the molecule of a given mrna species. mrna polyadenylation of eukaryotes always occurs in the untranslated region, 10 - 30 nucleotides downstream of the hexanucleotide sequence aauaaa

    現在普遍認為細菌許多mrna3 』端存在多聚腺苷酸尾，但其長度通常較短，大約在15 - 60腺苷酸殘基范圍，且對某一mrna而言，僅有2 - 60的分子被多聚腺苷酸化。
  18. In order to clone new genes expressed during early embryonic development of trionyx sinensis, we constructed and characterized a cdna expression library from poly ( a + ) mrna isolated from 250 mg of cranial / kidney / gonad complex tissues of one - week - old embryos of trionyx sinesis using the smart ( switching mechanism at 5 " end of rna transcript ) cdna synthesis and ld - pcr amplification strategy

    為了克隆到與胚胎發育有關的新基因，以孵化一星期的中華鱉（ trto屍砂優sinensis ）胚胎的頭部、生殖晴混合組織為原始材料，採用smart但witching叢eehanism叢5 』 endof旦nairanseript ）和長距離pcr伍d一pcr ）技術，構建t一個中華鱉cdna表達文庫。
  19. The tk gene contained an open reading frame of 957 bp encoding a 318 aa protein. upstream of the tk orf, three putative gc boxes are located at positions - 22, - 166 and - 199. a potential poly a signal begins 110 nucleotides downstream from the termination codon at position 1306

    在tkorf上游- 22 、 - 166 、 - 199位存在3個gc框樣序列，在終止密碼子下游第110個核苷酸處的1306位存在有多聚腺苷加尾信號。
  20. Sequence analysis the cdna clone contains an 546bp orf ( open reading fragment ) encoding a predicted protein of 181 amino acids with molecular weight of 20. 7kd, 130bp 5 ' non - coding region and 152bp 3 " non - coding region including polyadenylation signal sequence aattaa and poly a tail. 3

    棉花arf基因的序列分析核苷酸序列分析表明， gharf的全長為828bp ，其中含有一個從131bp到676bp間的546bp構成的一個完整開放閱讀框，它編碼181個氨基酸、分子量為20 . 7kd的蛋白質。
分享友人
分享到 Line

分享到臉書