氨體系 的英文怎麼說

中文拼音 [ān]
氨體系 英文
ammono-system
  • : 名詞[化學] (氮和氫的化合物) ammonia; hydrogen nitride
  • : 體構詞成分。
  • : 系動詞(打結; 扣) tie; fasten; do up; button up
  1. A novel catalytic property of hemin is described. in ammonium buffer medium of ph 8. 08. 9, hemin has an ability to catalyze the decoloration of bromopyro - gallol red. oxygen dissolved in solution plays a role as an oxidant in the reaction. with sodium dodecylbenzenesulfonate and ethanol as effect - enhancing agents, the catalytic system obeys the michaelis - menten equation of enzymatic catalysis. the michaelis constant, catalytic constant and specificity constant of the system are estimated by lineweaver - burk plot to be 3. 710

    在ph 8 . 08 . 9性緩沖介質中, hemin催化溶解氧氧化溴鄰苯三酚紅的褪色反應。在sdbs和30 %乙醇的增效作用下,催化服從michaelis - menten方程。用lineweaver - burk作圖法求得米氏常數催化常數和專一性常數分別為3 . 710
  2. The effects of main process factors such as feeding mode, reaction ph values, and ratio of ammonia and nickel ion, reaction time, agitation, reaction temperature and aging et al on the crystallization course and physical properties of nickel hydroxide were studied in detail. at last, we acquired the optimal preparation parameters, the spherical nickel hydroxide with high tap density and crystalloid degree, perfect flow ability were prepared

    在研究加料方式,水的加入量,反應時間、ph值、反應溫度、攪拌、陳化等主要工藝條件對ni ( oh ) _ 2結晶過程和物理性能影響的基礎上,確定了較優的工藝參數,制備出了堆積密度和結晶緻密程度較高、流動性較好的球形ni ( oh ) _ 2 。
  3. 4. the magnesium ions, l - cystine, tyrosine, dl - aspartic acid, l - lysine, and the mixed system of magnesium ions and amino acid were used as effective soft - templates to regulate and control the crystallization of caccb, respectively

    以鎂離子、 l -胱酸、 l -酪酸、 dl -天冬酸、 l -賴酸以及它們的混合為模板,研究了其對碳酸鈣晶生長的調控作用。
  4. Histidine and cysteine derivatives can coordinate with zinc, but the uv or fluorescence spectral changes are not significant enough to allow effective detection of zinc in plant system

    酸和半胱酸的衍生物能與鋅配位,但鋅離子的加入對紫外圖譜或熒光圖譜的影響並不顯著,因此不大可能有效地標記植物中的鋅離子。
  5. Filling flexibilizer, such as epoxy terminal block, polyurethane ether structure, thiokol and liquid ctbn to the system of expoxy - mannich amide, through the test on shear strength, bounding elasticity modulus and break strength of cured products, the different fuction could be found using different flexibilizers

    摘要在環氧酚醛胺中使用端環氧基聚酯醚、聚硫橡膠、液丁腈橡膠等活性增韌劑,通過對固化物剪切強度、彎曲彈性模量及斷裂強度的測試對比,可以看出不同增韌劑效果不同。
  6. Discussion on oxidant selection for ammonta - thiosulfate gold leaching system

    性硫代硫酸鹽浸金中氧化劑選擇探討
  7. Study on extraction of aspartate aminotransferase by aqueous two phase system

    雙水相萃取天冬酸轉
  8. Which shared 10 % ~ 73 % identities to other rips from plants and 37 % ~ 73 % to other rjps from cucurbitaceae. six novel rip gene fragments ( 408 ' bp ), 1 from benincasa hispida and 5 from cucurbit a moschaia

    根據葫蘆科rip上、下游兩段高度保守的基酸序列設計簡並引物對ly1 ly2 ,對基因組dna進行pcr擴增,首次建立了rip新基因快速篩選
  9. In the fourth chapter of this thesis, the initial stages of electrocrystallization of nickel on vitreous carbon from a leaching solution containing ammonia and chloride were illustrated in terms of cyclic voltammetric and chronoamperometric techniques

    在第四章中,通過採用循環伏安法和恆電位階躍法研究了絡合物中鎳存玻璃碳上電結晶的初期行為。
  10. The result indicated 1. 8 tip residues were modified in the buffer without urea and they were not essential groups to the agglutinate activity of cml. in the buffer with urea, 5. 0 tip residues were modified and 2. 8 of them were essential groups to the agglutinate activity of cml

    含脲中可修飾5 . 0個色酸殘基,其中有2 . 8個為cml活性所需;不含脲緩沖中可修飾1 . 8個色酸殘基,都不是cml活性所必需。
  11. Some amino acids and drugs imprinted spheres ( mipm ) were prepared via seeds swelling and suspension polymerization, suspension polymerization and emulsion polymerization. the physical and chemical properties of the polymers were analyzed by scanning electron microscope, thermogravimetric analyzer, electron spectrum and solid phase extraction ( microextraction ) technology. the imprinting and recognizing principle of mipm in water was studied through bi - templates imprinting method as well

    分別採用種子溶脹懸浮聚合法、懸浮聚合法和乳液聚合法,在水相中制備得到了一基酸和藥物印跡的分子印跡聚合物微球( mipm ) ;採用掃描電鏡、熱失重分析、電子能譜分析、固相(微)萃取等技術對制備所得的mipm進行了分析和表徵;採用雙模板印跡的方法對水相中mipm的印跡和識別機理進行了探討。
  12. The results showed mn and ni complexes possibly bind to dna by the mode of interaction, whereas zn complex possibly bind to dna by the modes of interaction and electrostatic binding. 5. in addition, we conjugated cleavage system with recognize system and analyzed joint products by hplc, which provide experimental basic for design of dual effects cleavage

    此外,本文還選用咖啡酸純品來突破切割與識別(用基臂修飾的寡聚脫氧核苷酸)的連接,並用高效液相色譜法分析其偶聯產物,為今後設計併合成一種具有特異識別和高效切割雙重功能的人工核酸酶提供了實驗基礎。
  13. Based on the nickel electrodeposition process, the nickel electrodeposition mechanism, the electrochemical nucleation of nickel on vitreous carbon, the redox process of black nickel formed on anode, the nitrogen evolution on anode and electrocatalytic activity for nitrogen evolution of ti based iro2 anodes were investigated systematically

    本文在前期工藝研究的基礎上著重對絡合物電積金屬鎳的反應機理、鎳在玻璃碳上的電化學成核機理、陽極黑鎳的形成機理、陽極析氮過程及ti基iro _ 2塗層陽極對析氮的電催化活性進行了統研究。
  14. According to the special shape and operate requirements of the torpedo, the structure and moulding process of the torpedo shell are established, in which the body and overlay block with grooves are moulded by fiber winding, and close moulding respectively with the adhesive by limited stop compression. in the light of the selection of raw material system, composite system with outstanding performance are defined, based on which the mechanical properties are tested., with the overall consideration of structural characters and design demands, the main factors which may have effects on the strength and stability ( including stiffness section dimension, stiffeners space, skin thickness and skin lay angle ) is optimized one by one for the structure design parameters on the base of the fem model of skin, stiffness and layover block by fem. as a result, the prototype with 1 : 1 proportion and its structure and lay optimization design are completed. the moulding technology for polyurethane foam moulding the stiffened shell is obtai ned in terms of the design, manufacture moulding, experimental mould and tooling

    依據在研產品特殊的外型結構和使用要求,確定了該型號水雷復合材料殼的具結構形式和復合成型工藝路線,即由纖維纏繞工藝成型主異形件,閉模成型帶通槽外貼塊,用限位加壓工裝實現粘接的工藝路線;通過對原材料的篩選,確定了綜合性能較好的復合材料,以此為基礎進行了力學性能測試;運用有限元方法,建立了蒙皮、筋條和外貼塊的分析模型,綜合考慮結構特點和設計要求,對影響結構強度與穩定性的主要因素(包括筋截面尺寸、筋間距、蒙皮厚度、蒙皮鋪層角度)分別進行了結構設計參數的優選,最終完成了復合材料異形耐外壓殼1 : 1樣件和縮比實驗件結構及鋪層優化設計;完成了聚酯泡沫胎成型內置加筋殼的成型工藝技術研究;對縮比件進行外壓性能測試,並給出了應力、應變測試結果。
  15. The company mainly produces polyester yarns, man - made cotton yarns, acrylic yarns, staple yarns, as well as the thread - combination service. the products find a good sale in britain, german, america, korea, japan etc., and the products have been listed into the ones that are exempt from inspection to export by users. the company has already passed iso9001 international quality system authentication, and it has been rewarded as the enterprise with high reputation, aaa " grade credit enterprise

    公司主要生產各種規格的全棉精梳紗綸竹節紗全棉竹節紗綸包芯紗腈綸包芯紗包覆線純滌純腈純棉紗線及滌粘滌棉腈粘滌腈羊絨棉滌麻等混紡紗線,生產的產品遠銷英德美韓日等國家和地區,被用戶列為出口免檢產品,公司已通過iso9001國際質量認證。
  16. Objective : construct high - level expression system of echistatin in e. coli methods : obtain amino - acid sequence of echistatin from genebank database. considering the bias of usage of 61 available aminoacid codons in e. coli, design the coding sequence of echistatin, synthesize the dna sequence chemically, get single copy coding gene and repeated two copy coding gene of echistatin. insert the sequence into expression vector pbv220, and more, we construct fusion expression clone of echistatin with pcr, identify the recombinant vector by dna sequencing

    目的構建蛇毒鋸鱗蝰素( echistatin )的原核高效表達方法由genebank數據庫檢索蛇毒鋸鱗蝰素( echistatin )的基酸序列,結合大腸桿菌蛋白質合成基酸密碼子使用的偏愛性,設計了echistatin編碼基因,外人工合成編碼基因dna片段,通過適當的限制性內切酶位點插入表達載pbv220 ,分別構建了echistatin的單拷貝表達克隆、雙拷貝串聯表達克隆;進一步通過pcr技術構建echistatin的融合表達基因克隆。
  17. Meanwhile, the kinetics law of nickel electrodeposition was investigated by means of steady - state polarization curves

    同時採用穩態技術測定穩態極化曲線,對絡合物陰極電積鎳的動力學過程進行了研究。
  18. Putting the potassium permanganate into the filter can improve its effect, the removal of organics and ammonia is increased, the influent concentration can satisfy the water reuse standard. but the turbidity of influent is unsatisfactory. the c / n ratio is the key factor to influence the nitrogen - removal of the anoxic / aerobic two - stage baf when the reflux ratio 、 hydraulic loading and the ratio of gas to liquid in aerobic filter are fixed. the anoxic / aerobic two - stage baf has a good removal of organics at different c / n ratio when the reflux ratio is 2, hydraulic loading is 2. 55m ~ 3 / m ~ 2 ? h and the ratio of gas to liquid in aerobic filter is 3 : 1. the influent concentration of organics is blow 7mg / l. from the beginning to 30cm of the anoxic filter, the removal of the organics is significant ; as the c / n ratio increasing, the influent concentration of ammonia is decreasing. when the c / n ratio is 3. 60, the enfluent concentration of ammonia is 3. 05mg / l which satisfies the water reuse standard. when the c / n ration is less than 3. 60, because of the imperfection

    迴流比為2 : 1 ,水力負荷為2 . 55m3 / m2 ? h ,好氧柱氣水比為3 : 1時試驗表明:不同的c / n ( 1 . 05 7 . 45 )下,兩級曝氣生物濾池對有機物有很好的去除作用,出水有機物濃度小於7mg / l ,其中在缺氧柱進水端30cm內對有機物的去除最為明顯;隨著c / n的增加,統出水氮濃度降低,當c / n為3 . 60時,出水氮濃度降到3 . 05mg / l ,已經滿足回用水的氮標準; c / n < 3 . 60時,因為缺氧柱的不完全反硝化,中硝酸鹽氮和亞硝酸鹽氮發生積累影響了好氧柱的硝化反應使氮降解效果較差;統對總氮的去除隨著c / n的增加而增加,當c / n為3 . 60時,出水總氮已經降到11 . 18mg / l ,滿足回用水的要求。
  19. Compared with the traditional nickel electrodeposition techniques, nickel electrodeposition carried out in leaching solution containing ammonia and chloride has great priorities and characteristics

    與傳統的鎳電積技術相比,絡合物電積金屬鎳有著眾多的優勢和特點。
  20. The electrochemical impedance spectroscopy of nickel electrodeposition indicates that nickel electrodeposition occurs in two steps, the medium frequency inductive loop is ascribed to the relaxation of the electrode coverage by an adsorbed intermediate such as niohads, the low frequency capacitive loop may be due to the inhibition of nickel electrodeposition by adsorbed hydrogen. the mechanism and equivalent circuit of nickel electrodeposition were proposed on the basis of the analysis of electrochemical impedance spectroscopy

    不銹鋼電極上電積鎳的電化學阻抗行為表明絡合物鎳電沉積過程是二次放電過程,中頻感抗弧是由於中間吸附產物nioh _ ( ads )的弛豫現象引起,低頻容抗弧可能是由於吸附氫原子對鎳結晶的阻滯作用引起,依據實驗結果提出了絡合物鎳電沉積的反應機理和等效電路模型。
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