acid sites 中文意思是什麼

acid sites 解釋
酸性部位
  • acid : adj. 1. 酸味的。2. 【化學】酸的,酸性的。3. 〈比喻〉尖酸刻薄的,易怒的。n. 1. 酸味物。2. 【化學】酸。adv. -ly ,-ness n.
  • sites : 賽茨
  1. Little internalization of various amino acid transport sites occurs.

    各種氨基酸輸送位點很少發生內在化。
  2. However, amphioxus ubf80 also showed some unique characters such as its amino acid residues at sites 39, 54, 63 and 74 in the cep. it appears that amphioxus not only represents an organism tr ansitional from invertebrates to vertebrates in phylogeny but also a possible diverged form radiated from the chordate ancestor at early chordate evolution. the possibility that some mutations in ub genes have taken place in different lines early at the divergence of plants and animals is also discussed

    發現文昌魚a二phi屍rxv基因是具有線粒體和過氧化物酶體信號特徵( mitochondrialandperoxisomalsortingsignals )的抗氧化物酶基因;通過序列比對,我們把屍rxv歸為l一cys和2一cys之外的3一cys類,從而把屍rx基因家族的兩種分類方法統一了起來。
  3. Sales : imported and domestic natural rubber, butylbenzene rubber, polybutadience rubber, butyronitrile rubber, epdm rubber, butyl rubber, chlorosulfonated polyethylene tyre types superfine, smell - free, butyl, butyronitrile, color and milk natural rubbers, compound rubbers and reclaimed rubbers ; raw and auxiliary materials for rubber chemical such as rubber accelerator, antiager, black, paraffin, octadecoic acid, zinc oxide, magnesium oxide, titanium pigment, coumarone and powder sulfur ; different specifications of epdm color granules, crossover antiskid rubber floor brick, plastic rubber sites, lawn layout, different specifications of antiskid rubber floor brick, rubber blind - people road brick, plant brick, tree guard brick, top adiabatic brick, road rubber reducer brick, special green rubber tyre rubber granule, rubber powder and product, different rubber and plastic pipe, adhesive tape and plate, flexible rubber soft joint, rubber stop tape, bridge extension device, natural rubber plate pedestal, water - expanding rubber, rubber and plastic air duct, pe / pp / pvc water pipe, fulgurite, flame retardant wire gutter, floor wire gutter, mc nylon product, rubber and plastic machinery and fitting relieve, and processing of different ordinary and special rubber and plastic and nylon products

    經營銷售:進口、國產天然膠、丁苯膠、順丁膠、丁腈膠、三元乙丙膠、丁基膠、氯璜化聚乙烯、輪胎類精細、無味、丁基、丁腈、彩色、乳膠類等多種型號天然橡膠、合成橡膠和再生橡膠;硫化促進劑、防老劑、炭黑、石蠟、硬脂酸、氧化鋅、氧化鎂、鈦白粉、古馬龍、工業硫磺粉等各種橡膠化工原輔材料;各種規格epdm彩色顆粒,天橋防滑橡膠地磚、塑膠場地、人造草坪鋪裝、各種規格防滑橡膠安全地磚、橡膠盲道磚、植草磚、樹木圍護磚、屋頂隔熱板、道路橡膠減速塊,專用綠色環保型橡膠輪胎膠粒、膠粉及成品,各類橡膠、塑料膠管、膠帶、膠板,可撓曲橡膠軟接頭,橡膠止水帶,橋梁伸縮裝置,天然膠板式橡膠支座,遇水膨脹橡膠,橡膠、塑料導風筒, pe pp pvc水管、電管、阻燃線槽,地板線槽、 mc尼龍產品、橡塑機械及配件調劑,並承接各種普通、特種橡塑、尼龍產品加工製造。
  4. The relationship between capacitance and corrosion conditions in the enlargement of tunnels justifies the latter competition mechanism the varied etching conditions were implemented by enhancing the passivating characteristics and viscosity, changing the a13 + concentration, temperature of etchants and current pulsation. passivating acid in the etchant is conducive to the instant passivation of exposed areas on the foil surface, and hence sustains the balance of competition between aggressive anions and passivators, providing pit nucleatiori sites continuously

    通過侵蝕液中添加草酸、硫酸、乙二醇,改變侵蝕液al ~ ( 3 + )濃度和電流紋波等方法,研究了不同的侵蝕條件對隧道孔形貌和比容的影響,結果表明:草酸和硫酸既保護了鋁箔表面又促進了隧道孔孔壁的迅速鈍化,增加發孔密度。
  5. Main methods and results are as followed : 1 epitope analysis of agonist - binding region of nrla physicochemical properties and antigenicity of two agonist - binding regions of nrla were analyzed through bioinformatics : domain p1 containing 151 amino acid residues preceding the first transmembrane domain of the human nrla, domain p2 with 144 residues following the third transmembrane domain. four parameters including hopp - woods and kyte hydrophilicityjanin accessibility, karplus - schulz flexibility, and welling antigenicity were used to determine the antigenic sites, and prosite programme and chou - fasman method were employed to analyze their related sequence motif and the secondary structures

    用goldkey軟體分別選取公認的hopp等與kyte等親水性參數、 jain表面可及性參數、 karplus - schulz主鏈柔韌性參數及welling抗原性參數對p1 、 p2兩個多肽片段進行參數分析。並採用通用的prosite程序與chou - fasman方法比較分析p1 、 p2多肽片段的氨基酸位點與二級結構特徵。綜合判定兩個多肽片段的抗原性及其位點,結果認為p2抗原性強于p1 。
  6. The length of this phytase gene is1506bp interrupted once by an intron of 102bp in the 5 " part of the gene, this intron contains donor sequence - gtatgc, lariat sequence - gctgac and acceptor sequence - cag which are typically conserved sequence of the intron of fungal phytase gene. this gene encodes a peptide of 467amino acid residues with molecular weight of 51. 37kda, containing 13 potential n - glycosylation sites and a signal peptide sequence made up of 19 amino acid residues at n teminal of the peptide

    核苷酸序列分析表明, pcr擴增產物中包含有完整的phya基因,該基因全長1506bp ,其中包含一段長102bp的內含子,該內含子具有真菌植酸酶基因內含子的特徵保守序列: donor序列? gtatgc , lariat序列? gctgac及acceptor序列? cag 。該基因編碼467個氨基酸,理論分子量為51 . 37kda ,其上有13個潛在的n -糖基化位點, n端19個氨基酸為信號肽序列,植酸酶活性位點序列( crvtfaqvlsrhgaryptdskgk )位於氨基酸序列的+ 71 + 93 。
  7. Using molecular imprinting method, the 1, 3 - dimethylxanthine theophylline, tho molecular recognition membranes, containing an segments as membrane formation sites and aa segments as functional sites, were prepared by the phase inversion technique. here, tho was selected as a template molecule. the hydrogen bonding between aa segments and the tho templates was measured by ft - ir and nmr. the tho templates can be removed from the membrane through washing with acetic acid aqueous solution. the permeation of tho through the membranes is far more than that of 1, 3, 7 - trimethylxanthine caffeine, caf, which demonstrated the function of tho molecular recognition of the membrane. the results also show that the increase of the tho templates concentration in the cast solution caused an increase of tho amounts taken into the copolymer membrane

    Ft - ir及nmr測試結果表明:制備的高分子膜中, tho模板分子和膜中的丙烯酸功能殘基存在著氫鍵鍵合作用。大量的極性醋酸水溶液可抽出膜中的模板分子。 tho溶液和與模板分子具有相似結構的1 , 3 , 7 -三甲基黃嘌呤咖啡因, caf溶液的基質透過實驗結果:進入膜結構中tho分子的量遠大於caf分子,這表明制備的高分子膜具有tho分子識別功能。
  8. Analysis of the sequence variation of cytochrome b gene indicated that there is no evidence of insertions or deletions, i. e., they are all of identical length of 1143 bp in all the sequences of cytochrome b gene. further, the sequences can be fully translated into amino acid using chicken mitochondrial codon without nonsense mutations or intervening stop codons. the 1143 bp cytochrome b alignment contained 416 variable sites, of which 306 were parsimony informative sites with the strongest variable in third codon positions and less variable in first and second codon positions

    細胞色素b基因序列變異分析表明: 1 )雁形目鳥類細胞色素b基因全序列長度一致,無插入和缺失:對照雞線粒體密碼子系統全序列能全部翻譯成氨基酸序列,無無義突變,全序列內部無終止密碼子; 2 )序列比對后1143加,含416個核著酸變異位點, 306個簡約信息位點,其中處於密碼子第三位的變異最大,第一位和第二位堿基的變異相對較小。
  9. Plants can obtain high doses glyphosate tolerance if the enzyme of this gene is over produced and accumulated or herbicide - insensitive enzymes produced due to some amino acid mutation in active sites

    植物中epsp合成酶的過量表達或某些活性位點氨基酸的突變對高劑量的草甘膦有較強的耐受性。
  10. The surface modification of foils contributes to the activation of surface before etching, and consequently provides more pit sites. the redemption and regeneration of passive film on foil surface lead to continuous growth of tunnels. anodized in oxide - forming acid, the etched foil shows higher capacitance

    侵蝕前鋁箔的表面改性處理研究了堿性、酸性溶液、直流電和低頻交流電對比容的影響,結果表明堿性溶液和酸性溶液處理有利於活化表面、提高比容;直流電和低頻交變電流表面改性需嚴格控制時間在5s內,最佳為2s ,可提高比容8 10 。
  11. Hla - g1, which is a newly defined non - classical hla class i molecule, plays an important role in mediating immunotolerance and protecting embryo and even some kinds of tumors from nk cells attacking. the full - length coding sequences containing cdna of hla - g1 were cloned from placenta, monocytes and liver cancer tissue of chinese donors. sequence analysis reveals that it is a highly conserved human gene with only two amino acid mutation sites compared to foreign nationality. its truncated form was overexpressed in

    從中國人外周血單個核細胞胎盤組織和肝癌組織等樣品中克隆了包含完整hla - g1讀框的cdna與國外同行獲得的該基因及其蛋白質序列比較分析表明,該基因雖然有著細微的種族特異性,但高度保守並獲得了它的截斷型重組蛋白,根據蛋白一級結構和同源比較方法,模建了它及其與特異性受體kir2dl4形成復合體的空間結構模擬,預測了它們之間相互作用的特徵。
  12. The deduced amino acid sequence of the epsp synthase from psedomonas fluorescens g2 was compared to epsp synthase from various species. it shares 30 % homology with the epsp synthases from e. coli and salmonella typhimurium in class i and is different from patent - protected mutational sites

    將本實驗獲得的熒光假單胞菌g2epsp合成酶推導的氨基酸序列與class中大腸桿菌和鼠傷寒沙門氏菌來源的epsp合成酶同源性約為30 ,且不含有專利保護的突變位點。
  13. The preparation of functionalized mesoporous molecular sieves were introduced, which are including the formation of the acid active sites, redox active sites and used the support for immsobilizing enzyme catalysts by heteroatomic substitution ; the formation of polymerization active sites, acid active sites or chiral catalysis sites by the organic - inorganic graft ( or hybridization ) ; as the carriers, the transition metals, transition metal oxides and acid catalysts are supported

    摘要介紹了介孔分子篩經雜原子取代,引入酸功能、氧化還原功能;經有機無機嫁接(雜合) ,引入聚合催化功能、酸催化功能、手性催化功能;經修飾的介孔分子篩,用作固定化酶催化劑的載體;作為催化劑的載體,用於負載過渡金屬及其氧化物和制備負載化的固體酸催化劑。
  14. The phylogenic relation and similarity of the gene is full length of lfy - like gene, which is 99 % similar both in nucleic acid sequence and amino acid sequences with that of ginlfy f rom the female. compared with the ginlfy of female, the gene from the male tree is deficient in 3 bp, and mutantion sites exists on the varied region of lfy - like

    該基因與文獻報道的銀杏雌株leafy基因相比,核苷酸序列同源性高達99 ,蛋白質序列同源浙江大學博士學位論文摘要性達99 ,缺少了3個核昔酸,突變均在植物leaf 』 y基因的非保守區內。
  15. Bioinformatic analysis were performed to prepro - gynostemminl on the base composition, codon preference, amino acid composition, pi value, molecular weight, secondary structure, prosite scan, prediction of protein localization sites. blast thtf arabidopsis thaliana genome, and 3d structure modeling

    運用生物信息學軟體對絞股藍班p前體進行堿基組成和密碼子偏倚性、氨基酸組成特徵、功能位點、亞細胞定位、跨膜結構、核酸結合基序以及空間結構等方面的分析。
  16. Resistance would be developed when the activities of any of these three enzymes are increased. the three insecticide target - sites are acetylcholinesterase ( ache ) for organophosphate and carbamate insecticides, voltage - gated sodium channels : knockdown resistance ( kdr or kdr - type ) for ddt & pyrethroids and y - aminobutyric acid ( gaba ) receptors for cyclodienes

    殺蟲劑的作用靶標主要有:有機磷和氨基甲酸酯殺蟲劑的作用靶標?乙酰膽堿酯酶; ddt和擬除蟲菊酯類殺蟲劑的作用靶標?神經軸突鈉離子通道;環戊二烯類和吡唑類等殺蟲劑的作用靶標? -氨基丁酸( gaba )受體-氯離子通道復合體。
  17. According to the deduced amino acid of g gene, there are two glycosylation sites in strain 119 and gxbm at position 37 and 319. there is few change in important neutralizing antigenic epitope and in some antigenic sites related with pathogenicity

    119和gxbm株g基因推定氨基酸均有37 、 319兩個糖基化位點,重要的抗原位點及致病性相關位點基本沒有變化。
  18. Sequence analysis showed that the full length of this cdna which encodes 364 amino acids is 1398bp. it has 71 % and 69 % identities to lycopersicon esculentum and pisum sativum respectively in amino acid level. this gene is a membrane protein which has one signal peptide, seven transmembrane helices, three n - glycosylation sites and one o - glycosylation site

    序列分析表明,該基因的cdna全長為1398bp ,開放閱讀框為1095bp ,編碼一個364個氨基酸的多肽,與番茄和豌豆中的該家族基因分別具有71和69的氨基酸同源性,是一種膜蛋白,具有1個信號肽序列, 7個跨膜螺旋, 3個n ?糖基化位點和1個o ?糖基化位點,分子量大約為39 . 174kd ,等電點為8 . 07 。
  19. Compared to the conventional approaches, the above techniques can identify all the phosphorylated proteins ( including their phosphorylated amino acid sites ) involved in a multi - signal pathway in a single experiment, and they have been developed into a hot spot of proteomics

    與傳統的研究手段相比,上述技術能夠在一次實驗中對多信號通路中所有磷酸化的蛋白質分子及其磷酸化位點進行鑒定,已成為蛋白質組學最新發展中令人關注的一個熱點。
  20. According to the resources lately reported, six antigenic epitopes of the f protein were located at the three - dimensional structure of the protein. the amino acids responsible for the epitopes of the strains in the study were compared and the result revealed that all these amino acid sites were highly conserved. the weak variations were found only among four strains not related to different genotypes

    根據最新資料報道的f蛋白三維結構的抗原表位的定位結果,分析和比較了22個毒株在這些表位中關鍵aa位點的變異情況后發現,在維持f蛋白空間結構中起重要作用的3個抗原位點一一第72位、 161位和343位aa位點上,所有毒株高度一致,未產生任何變異。
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