acid group 中文意思是什麼

acid group 解釋
酸基/酸根
  • 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.
  • group : n 1 群；批，簇。2 集團，團體，小組。3 【化學】基，團，組；（周期表的）屬，族。4 （雕塑等的）群像...
  1. Results the treatment group was superior significantly to the control group in the field of reduction of serum total bilirubin, the total bile acid, the total effective rates, advance of prothrombin activity ( pta ) and alph fetal protein ( afp ) of chronic fulminant hepatitis and the effective rates of the treatment group ( p < 0. 05 )

    結果治療組在降低血清總膽紅素、總膽汁酸、升高凝血酶原活動度、維持較高血清甲胎蛋白水平、提高存活率等方面均優于對照組，差異有顯著性（ p < 0 . 05或0 . 01 ） 。
  2. Hengshun chemical industry is a modern enterprise which is the subordinate cooperation of anhuibaofeng group, mainly produces and develops fine chemicals. the company was founded in 1997. at present, our main products are low - carbon fatty acid n - valeric acid, n - caproic acid, oenanthic acid, flavor series etc

    恆順化工廠是寶豐集團下屬的一家以生產開發精細化工產品為主的現代型企業，具有強大的技術開發能力與豐富的生產經驗，同時也擁有先進的生產與檢測設備
  3. Owning to our rich resources and abundant experience, we have become a large - scale enterprise group which specialized in manufacturing and marketing specialty chemicals, flavors, fatty acids, mainly products are allantoin, caproic acid, heptanoic acid, 2 - methyl butyric acid, climbazole, iso amyl alcohol, vitamin e series, etc

    集團是以生產精細化工產品和香料脂肪酸為主導，主要有尿囊素己酸庚酸二甲基丁酸甘寶素熊果苷異戊醇維生素e系列等，主導產品的產量質量技術含量都居國內同行業前列，有的達到國際先進水平。
  4. Each fatty acid consists of a hydrocarbon chain with a carboxyl group at one end.

    每個脂肪酸由一端帶有一個羧基的碳酸鏈組成。
  5. Long chain alkyl benzenes is the product of cyclization - decarboxylation - aromatization of fatty acid, with the help of clay minerals catalytic effect, which comes from bacteria, seaseed and higher plant lipid ; or the reaction product of monocylic aromatics and fatty acid alkyl group under the same conditions

    長鏈烷基苯主要是細菌、藻類和高等植物類脂化合物中脂肪酸在粘土礦物催化下發生環化脫羧再芳構化或單環芳烴與脂肪酸烷基化反應形成的產物。
  6. Through the analyzing the macro - structure to micro - structure, the author considers that retarding mechanism of citric acid is that citric acid and ca in the gypsum form the complexant ion, and hinder the crystallization center of dihydrate crystal bigger ; that of sodium tripolyphosphate is that it combined with ca, hinders the dissolve of hemihydrate. formation and growth of crystallization center ; that of bone glue is the glue - protection and chemical absorption action of active group, which also retards the formation and growth of crystallization center

    通過宏觀到微觀的分析，筆者認為，檸檬酸的緩凝作用的原因主要在於檸檬酸與鈣形成絡合離子，影響了二水石膏晶體的晶核長大過程；多聚磷酸鈉與鈣形成某種復鹽，對于石膏晶體的溶解、成核和長大過程均有強烈的阻礙影響；骨膠則在於膠體對半水石膏的包裹和活性基團的化學吸附，使二水石膏晶體的成核和長大困難。
  7. A nonaqueous synthesis route to hexapod pbs nanocrystals has been presented. surfactant, namely oleic acid, plays a key role in the synthesis of hexapod pbs. although the exact reason is unknown, it is still noteworthy that the configuration of the symmetry group oh in pbs nanocrystals is unprecedented

    以油酸作為表面修飾劑，在170 - 190下，將pb （ scn ） _ 2在乙二醇中迴流制備了「六足」型pbs納米晶，研究了表面活性劑和溶劑對納米晶形貌的影響，認為模板作用可能是「六足」型pbs納米晶形成的原因。
  8. The copper, iron, nickel and silver deposits might be assigned to four metallogenic series : i. the metallogenic subseries of copper, molybdenum, gold, silver deposit related to late devonian - early carboniferous basic - intermediate - acid hypabyssal intrusive - eruptive rocks ; ii. the metallogenic subseriesof iron, copper, zinc deposits related to early carboniferous basic - intermediate - acid volcanic - intrusive rocks ; iii. the metallogenic subseries of copper, silver, iron deposits related to middle - late carboniferous basic - intermediate - acid volcanic - intrusive rocks ; iv. the metallogenic subseries of copper, nickel and platinum group deposits related to late carboniferous - early permian basic - ultrabasic rocks ; 3, division of regional major metallogenic belts on the basis of the previous work conducted and by following the principles, grounds and methods of the division of metallogenic belts, areas and fields, . in light of this, metallogenic belts of grade iv were divided

    1 、按照成礦系列理論的學術指導思想，將研究區華里西期銅礦床成礦系列劃分為四個成礦系列亞系列： 、晚泥盆?早石炭世延東?土屋?三岔口與中酸性巖漿侵入活動有關的cu 、 mo 、 au礦床成礦亞系列、早石炭世與巖漿作用有關的鐵、銅、金、銀礦床成礦亞系列、中石炭世與巖漿作用有關的cu 、 fe 、 ag 、 au礦床成礦亞系列、晚石炭世-早二疊世與幔源基性?超基性巖有關的銅、鎳、鉑族礦床成礦亞系列並從地層、巖漿巖、控礦構造、地球化學、成礦特徵等方面對各成礦亞系列進行了詳細論述。
  9. The results indicated that : jaj could selectively stimulate the reprduction of bifidobacteria in vivo and inhibit the growth of e. coli which is a main parasitic basterium in human intestinal tract ; moreover, jaj could apprarently improve intestinal tract function. in tested group, the mice excreted smoothly and the faecal particles of mice were big and wet, but in control group, the faecal particles of mice were small and dry. lt was suggested that inulin may be the important effective component in jaj which promoted the reprduction of bifidobacteria in vivo. at last, the effects of ja on the bile salt resis tance of bifidobacteria were studied. the test proved that : deoxycholic acid na - salt ( dca - na ) had intensely toxical action on blm and bbm ; adding glucose and fructose in media could decrease the lexical action on bbm. but inulin and jap had not apparent effect

    在通過單菌株檢驗和混菌檢驗確立了一種選擇性雙歧桿菌培養基之後，進一步以健康昆明系小鼠為實驗動物，研究了菊芋在動物腸道內對雙歧桿菌的影響，動物實驗結果表明，菊芋汁在體內對雙歧桿菌有選擇性促進生長作用，而腸道中主要條件致病菌?大腸桿菌的生長受到抑制；菊芋中的菊糖成分可能對菊芋在體內選擇性地促進雙歧桿菌生長起了主要作用；此外，菊芋還具有明顯的整腸作用，同對照組相比，飼喂菊芋汁的小鼠排便順利，糞便顆粒大且濕潤。
  10. The amino group becomes attached to the coenzyme to form pyridoxamine phosphate, and is then transferred to the a - keto acid, which is usually pyruvic acid, oxaloacetic acid, or - ketoglutaric acid

    反應中氨基首先連接在輔酶上形成磷酸吡哆氨，然後氨基轉移到-酮酸上，這種-酮酸可以為丙酮酸、草酰乙酸或是-酮戊二酸。
  11. The results indicate : ( 1 ) the distribution of magmatic rocks shows the feature that in the middle and western part of the study area basic igneous rocks dominate, and in the middle - eastern part intermediate rocks are predominant, while in the southeastern part acid ones are developed. ( 2 ) in the area west to the shiwandashan basin, intermediate magmatites were controlled by deep ne - striking and nw - striking faults, especially at the conjunction site of these two group faults, magmatic activity was strong ; and its tectonic background can be attributed to extensional continental rift

    其中，在十萬大山盆地以西地區的偏基性巖漿活動受北東和北西向深斷裂控制明顯，尤其以此兩組斷裂交匯處的巖漿活動強烈，盆地構造背景屬大陸伸展裂谷環境；在十萬大山盆地以東地區為偏酸性巖漿活動，主要受東吳運動形成的欽防造山帶的控制，屬大陸邊緣造山帶或島弧造山帶環境。
  12. Sam has three ionizable groups besides the sulfonium pole : the carboxyl and the aminic groups of the amino acidic chain with pk 1. 8 and 7. 8 respectively and the aminic group of the purine with pk 3. 4. in an acid environment sam is positive charged, so it could be adsorbed by weak - acid cation exchange resin

    Sam除具有一個帶正電荷的鋶外，還有三個可離子化的基團： pk _ a分別為1 . 8 、 7 . 8的氨基酸鏈上的羧基和氨基， pk _ a為3 . 4的嘌呤環上的氨基。
  13. Aspartic acid an amino acid formed by transamination, in which the amino group of dlutamic acid is transferred to oxaloacetic acid

    天冬氨酸：由轉氨基作用形成的一種氨基酸，谷氨酸的氨基基團被轉移到草酰乙酸中。
  14. Zwitterion an ion with both a positive and a negative charge. amino acids and form zwitterions : the amino group has the form - nh3 + and the acid group is ionized as - coo -

    兩性離子：既帶有正電荷又帶有負電荷的離子。氨基酸就是這樣一種離子：氨基基團為- nh3 +而羧基端為- coo - 。
  15. The amount of major physiological group including ammonifiers, nitrogenfixing bacteria, celluosedecomposing microbes, aerobic nitrogen fixing bacteria and anaerobic nitrogen fixing bacteria all decreased. the activity of soil enzyme weakened which include invertase, urease, proteinase, acid phosphtase, catalase, polyphenol oxidase and peroxidase

    結果亦表明，紅壤礦區復墾土壤的微生物生態特徵發生了明顯改變，與對照土壤相比，土壤微生物生物量降低，但微生物商cmic corg 、代謝商qco _ 2值明顯升高（ p 0 . 05 ） 。
  16. A series of near roundness cds nanoparticles with a particle diameter of 3 ~ 6nm have been prepared by controlling the concentration and proportion of reactants and adopting sodium hexametaphosphate as stabilizing agent. the studies demonstrate that these particles present obvious quantum size effect and an appropriate excess of cd2 + ion and hexametaphosphoric acid group polysnion are helpful to the dispersion and flame capability ' s improvement of particles. another series of near roundness monodisperse au nanoparticles with a diameter of 12. 3nm was prepared via sodium citric acid deoxidizing auric chloride acid

    利用六偏磷酸鈉作為穩定劑，通過控制反應物的濃度及比例，制備了粒徑為3 6nm 、呈近似球形的cds納米顆粒，光譜測試結果表明，顆粒具有明顯的量子尺寸效應，適當過量的cd ~ （ 2 + ）離子以及六偏磷酸根聚陰離子有助於顆粒的分散並提高其發光性能；採用檸檬酸鈉還原氯金酸，制備了接近球形、平均粒徑約為12 . 3nm的單分散體系au納米顆粒；採用wessling的前驅聚合物法獲得導電聚合物ppv前驅體。
  17. Determination for strong - base group, weak - base group and weak - acid group exchange capacity of acrylic type anion exchange resins

    丙烯酸系陰離子交換樹脂強堿基團弱堿基團和弱酸基團交換容量測定方法
  18. Sulfonic acid group sulfo group

    磺酸基團
  19. Sulfonic acid group, sulfo group

    磺酸基團
  20. Treatment was effectie with serum folate concentrations increasing by 576 % and plasma homocysteine falling by 26 % for the folic acid group compared with placebo

    這句話沒翻譯。試譯：葉酸治療組與安慰劑組比較，血清葉酸濃度增加576且血漿同型半胱氨酸水平下降26視為治療有效。
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