b acid 中文意思是什麼

b acid 解釋
b酸
  • b :
  • 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.
  1. Elevated [ co2 ] treatment resulted in the larger accumulation of carbohydrate ( soluble sugar and starch ) in leaves of anthurium andraeanum lind during short - term experiment, but the difference of three treatment groups is no striking during long - term experiment. chlorophyll content, chlorophyll a / chlorophyll b ratio in leaves increased, while soluble protein decreased in elevated [ co2 ] during experiments. elevated [ co2 ] led to the increase of rubp carboxylase activity and the decline of glycolic acid oxidase activity during short - term experiment, but the rubp carboxylase activity decreased after 60 d, the glycolic acid oxidase activity increased after 90 d

    高濃度co _ 2處理的紅掌，葉片中的葉綠素含量增加，葉綠素a葉綠素b升高，但可溶性蛋白含量下降，並且隨著處理時間的延長，可溶性蛋白含量的下降更為明顯，處理150d時， t1 、 t2的可溶性蛋白含量與ck相比分別下降了36 . 7 、 28 . 2 ；高濃度co :處理的前30d ，高濃度c02抑制了go活性， rubpc活性升高:處理以記時，高濃度coz處理組的rubpc活性降低， go活性仍然低於對照;處理以月後，高濃度co :處理組的rubpc活性低於對照，其中t2的rubpc活性顯著下降，而go活性升高。
  2. Screening target ' gene of artemisinin antimalarials using drug - western from cdna expressing library : 12 b - deoxoartemisinyl - ( 4 ' - oxyacetic acid ) phenyl ether was linked to bsa by using of edc cross ! inker and the product acted as drug - probe

    對重組pmd一18一t克隆載體及pqe一30表達載體雙酶切，提取tctp基因和pqe一30空載體並使二者重組，然後轉化m15 ，挑取陽
  3. Camp, pka inhibitor peptide ( pki ), kemptide, histone h1 ( type iii - s ), polyvinyl alcohol, na3vo4, naf, b - glycerophosphate, p - nitrophenylphosphate, 3 - [ n - morpholino ] - propanesulfonic acid ( mops ), genistein, ml - 9, leupeptin, aprotonin, pepstatin, chymostatin, trypsin - chymotrypsin inhibitor were purchased from sigma chemical co. [ r - 32 p ] atp was obtained from yahui biomedical enginnering co

    實驗材料昆明系小白鼠，中國醫科大學實驗動物部提供。測活用試劑除nacl山inni為國產分析純對rr為amesa產品， y乍jatp為北京亞輝生物醫學工程公司產品外，余者均為sipoa產品。
  4. The results showed that the f fragment, 728bp in length, could be a new gene with a little homology to the genes coding for polyketide synthetase or fatty - acid synthetase and the b fragment, about 4kb in length, is inferred to have repeat sequences around tn5 insertion site, in which there is homology to the wa 314 right arm of the high - pathogeniciry island of yersinia enterocolitica. to reveal any pathogenicity of enterobacter cloacae b8 and its mutated strains b8b and b8f to animals, the experiment with mice was carried out

    結果顯示， f片段長度為728bp ，與現有生物數據庫的blast比較分析，發現該序列僅有局部短於1oobp的區域與polyketide合成酶基因或與脂肪酸合成酶基因有低的同源性，推測為一新基因； b片段長約4kb ，序列拼接結果推測靠近tn5插入位點部位有重復序列，對b片段tn5遠端的部分序列進行blast比較，發現它與小腸結腸炎耶爾森氏菌的強毒力島有一定的同源性。
  5. The shellac erythrophyll is from the parasitism the resinous substance shellac which in places the such as india, thailand, burma, china leguminosae, on the mulberry branch plant s lac insect secretes with the thin sodium carbonate watery solution extract fine but, assumes the reddish purple color either the bright red powder or the liquid, by shellac acid a and shellac acid b, c, e and so on is composed, serves as the edible erythrophyll, when the acidity assumes the orange, is extremely stable

    紫膠紅紫膠紅色素是從寄生於印度、泰國、緬甸、中國等地的豆科、桑科植物上的紫膠蟲所分泌的樹脂狀物質紫膠用稀碳酸鈉水溶液萃取精緻而得，呈紅紫色或鮮紅色粉末或液體，由紫膠酸a和紫膠酸b 、 c 、 e等組成，用作食用紅色素，酸性時呈橙色，非常穩定。
  6. In order to provide theoritical foundation for the utilization of jerusalem artichoke ( ja ) resource, culturation of bifidobacteria and development of bifidobacteria products. this paper rather systernly studied the effects of ja on the growth of bifidobacteria, using jerusalem artichoke juice ( jaj ) and jerusalem artichoke powder ( jap ) as experimental material. in the first place, the effects of ja on the growth of bifidobacteria in vitro were studied. the results indicated that : jaj could stimulated the growth of b. longum ( blm ) and b. bifidwn ( bbm ) ; the more jaj content was added, the more promoting action was apparent ; the promoting action also varied from the different species. adding jap ( 3 % ) to skim milk could decrease the time of milk - solidfying of blm and bbm, and could increase the acid production in skim milk of the strains tested. secondly, bifidobacterium medium was developed using jaj as main material

    本文以菊芋汁和菊芋粉為主要材料，較系統地研究了菊芋對雙歧桿菌生長的影響，以期為進一步開發利用菊芋資源、雙歧桿菌的培養及其製品開發提供理論依據。菊芋在體外對雙歧桿菌生長的影響試驗表明，菊芋汁在體外對長雙歧桿菌（ blm ）和兩歧雙歧桿菌（ bbm ）的生長具有促進作用，其效果隨著菊芋汁添加量的增加而增加，並且對不同菌種的促生長效果存在差異；在脫脂乳中添加3的菊芋粉可以縮短blm和bbm的凝乳時間，其原因可能為促進了試驗雙歧桿菌在脫脂乳中的產酸。
  7. This modification includes : ( 1 ) selecting two important molecules as candidates, ( 2 ) choosing a promiscuous t - cell epitope, and two b - cell epitopes or conserved amino acid sequences from the two important molecules, ( 3 ) connecting them adequately through analysis by the molecule designing software. therefore, the synthetic new antigen may interfere with the process of fertilization by multiple ways and its contraceptive effects may be enhancing. based on the molecule designing methods, the b - lymphocyte cell epitope of sperm / testis specific protein sp17 and cyritestin which interfere with fertilization in mouse, as well as the promiscuous th cell epitope of the ribonuclease ( rnase ) in bovine were selected

    本研究以蛋白質分子設計的理論和方法研究避孕疫苗，將sp17和cyritestin關鍵表位和牛核糖核酸酶非選擇性th細胞表位合理組合，獲得新抗原- 35肽序列；並在合成、純化後分別與弗氏佐劑、免疫刺激復合物（ iscoms ）混合后免疫不同遺傳背景的雌性小鼠，觀察血清和生殖道內的特異性抗體滴度的動態變化、生育力的改變以及免疫后小鼠重要臟器的組織病理學改變：以及在ivf下，新抗原的特異性抗血清對精卵相互作用的影響及抗原在精子表面的特異性定位。
  8. Influence of properties of chitosan nanocarrier material on immune activity of anti - hepatitis b immune ribonucleic acid

    殼聚糖納米載體材料性能對抗乙肝免疫核糖核酸免疫活性的影響
  9. Effects of salicylic acid, ultraviolet uv - b and uv - c on

    水楊酸和紫外線對誘導采后葡萄果皮內白藜蘆醇合成作用研究
  10. Observation of salvianolic acid b on rat tgf 1 - stimulated cultured hepatic stellate cells

    1刺激的大鼠肝星狀細胞的觀察
  11. We designed one primer pairs ctb - 1, ctb - 2 to amplify about 580bp of cyt b gene sequence as a molecular marker to analyze phylogenetic relationship of 14 species of oedipodidae in china. dna sequences were aligned using clustal x, followed by refinement by eye based on the corresponding deduced amino acid sequences. after cutting off 5 " and 3 " termini unaligned sequences, we get 462 bp segment

    本研究從分子生物學角度入手，採用cytb作為分子標記，採用自行設計的一對cytb基因特異引物ctb - 1 、 ctb - 2 ，通過pcr技術，共獲得斑翅蝗科4個亞科14個種的代表個體以及癩蝗科1個種的代表個體的580bp左右的cytb部分序列。
  12. Folic acid : " the evidence that folic acid reduces the risk of heart disease is pretty strong, " says willet. folic acid, a b - vitamin, lowers blood levels of a harmful amino acid called homocysteine

    葉酸威利指出：葉酸可降低心臟疾病罹患率的證據已相當充足，葉酸是一種維生素，它可以降低血液中的一種有害氨基酸，叫做高半胱氨酸homocysteine 。
  13. 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。
  14. The start codon is at 84 - 86bp, the stop codon at 1658 - 1661bp. the homologous comparison of the deduced amino acid sequence with other plant epsp synthase proteins shows the identity to those of b. napus, a. thaliana, tomato, n. labacum respectively are 92 %, 91 %, 80 %, 65 %

    同源比較該段序列所編碼的氨基酸序列可以發現epsp合成酶有較高的保守性，它與歐洲油菜、擬南芥、西紅柿、煙草的同源性分別為920 、 91o 、 80o 、 65o 。
  15. A page gel, stained by the petiodic acid - schiff ' s method to reveal glycoproteins, further displayed that the bindng - protein was a glycoprotein belonging to lectin, which contained 17. 4 % ( w / w ) neutral carbohydrate content of the glycoprotein detected by the phenol / h2so4 method. peptide mapping was comparable to the reported protein in protein bank. the database homology search ( ncbi blast ) indicated that the binding - protein shared 70 - 80 % homogeneity to l - aspartate oxidase, aspartyl / glutamyl - trna ( asn / gln ) amidotransferase subunit b, glutamyl - trna reductase, histidyl - trna synthetase

    連續梯度聚丙烯耽胺凝膠電泳、 sds一聚丙烯酞胺凝膠電泳和等電聚焦的結果表明該蛋白分子量為1 「 . skda ，由二個相同的亞基組成，亞基分子量為」 . ikda ，等電點為8 . 25 .糖蛋白染色結合考馬斯亮藍染色的結果證實此結合蛋白是個糖蛋白，其中糖含量為17 . 44 % ，蛋白含量為82 . 56 % .凝集反應確定該糖蛋白也是一個凝集素
  16. The fouling of monomer recovery system of qilu esbr plant was studied. it was con sidered that the fouling was principally caused b y the following four reasons, there existed the colopholic potassium containing c onjugated doublebonds in the disproportionated colopholic potassium, excessive co ntent of c16 - 18 compositions existed in the fatty acid, excessive content of com positions for which the demol condensation degree was above 5, the reaction conve rsion was higher than 72 percent. effective countermeasures were proposed

    介紹了齊魯引進乳聚丁苯橡膠裝置回收單元存在的設備堵掛問題，經分析認為歧化松香酸鉀中帶有含共軛雙鍵的松香酸鉀，脂肪酸中c16 18組分含量高， demol縮合度高於5的組分高，反應轉化率高於72 %是造成堵掛的4條主要原因，提出了對策。
  17. Folic acid is a naturally occurring b vitamin that helps a baby ' s neural tube ? he part of a developing baby that becomes the brain and spinal cord 梔 evelop properly

    葉酸通常天然含有維生素b ，而這種物質可以幫助嬰兒的神經中樞的發育，也就是促進了兒童大腦和脊柱的發育。
  18. Abstract : the iodine is extracted from fluorosilicic acid solution by carbon tetrachloride after the iodine ion is oxidized to the free iodine. the oxidant b is adopted through sifting oxidants

    摘要對氟硅酸提碘過程的氧化劑進行選擇研究，結果表明，對碘回收率而言氧化劑b較好。
  19. B acid chrome black

    酸性鉻黑
  20. B acid red 4b

    酸性紅4b
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