脲基酸 的英文怎麼說

中文拼音 [jīsuān]
脲基酸 英文
ureido acid
  • 脲 : 名詞[化學] （尿素） urea; carbamide
  • 酸 : 酸構詞成分。
  1. Abstract : in ureide - transporting legumes ， ureides ( allantoin and allantoic acid ) are major transportform of biological fixed nitrogen. the distribution ， properties ， structure and regulation of plant allantoinase were reviewed in detail. the advances in the recent studies on allantoate amidohydrolase and ureidoglycolate amidohydrolase were introduced. and the works desired to be done were pointed out

    文摘:全面綜述植物酰脲降解代謝酶的研究現況，概述植物尿囊素酶的分佈、性質、結構，以及調節控制，並簡介植物尿囊酸酰胺水解酶和脲基乙醇酸酰胺水解酶的研究近況，同時指出待研究的方向。
  2. Furbenicillin sodium, a known semi - synthetic ureide type of antibiotic firstly marketed in china, was synthesized from starting material 2 - furaldehyde via six steps including oximation reaction, beckmann rearrangement, isocyannuration, amination, condensation and salification etc

    摘要以呋喃甲醛為起始原料，經厲化、貝克曼重排、異氰脲酸化、氨基化、縮合和成鹽6步反應，合成了酰脲類青霉素抗生素呋布西林鈉。
  3. It is also present in an aqueous solution of nitrourea or a sulphuric acid solution of nitrourea.

    它也存在於硝基脲的水溶液或硝基脲的硫酸溶液中。
  4. Under acid condition open chaining crown ether diaromatic aldehyde can react, and they will synthesize a compound of chaining crown ether diaromatic aldehyde thiosemi - carbazone kind

    摘要鏈狀冠醚二芳醛在酸性條件下與氨基硫脲反應，合成了鏈狀冠醚二芳醛縮氨硫脲類化合物。
  5. The rate of the coordination reaction between divalent metal ions and murexide in a water - in - oil microemulsion was determined by spectrophotometric technique to study the transport of the metal ions entrapped in the organogel formed by cationic surfactant cetyltrimethylammonium bromide

    以微乳液中二價金屬離子與紫脲酸胺之間的配位反應為指示反應，採用分光光度技術，研究了金屬離子在由陽離子表面活性劑十六烷基三甲基溴化胺構建的微乳凝膠中的傳質問題。
  6. The hydrazinecarbothioamide was prepared from hydrocyanic acid, hydrazine hydrate, and sulphur. the total yield is over 80 %

    摘要介紹了以氫氰酸、水合肼、硫磺為主要原米制備氨基硫脲的工藝過程，探討了合成工藝條件，反應總收率在80 %以上。
  7. However, efforts to eliminate semicarbazide sources from packaging had already progressed, and manufacturers are now using sodium bicarbonate as the replacement chemical in the production of plastic seals

    然而，將氨基脲清除出包裝材料的工作也已取得了進展，現在生產商們用重碳酸鹽作為氨基脲的替代化合物。
  8. Synthesis and spectrum study of 5 - bromosalicylaldehyde contract semicarbazided hydrochloride and its rare earth metal complexes

    溴水楊醛縮鹽酸氨基脲稀土配合物的合成及光譜研究
  9. 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

    含脲體系中可修飾5 . 0個色氨酸殘基，其中有2 . 8個為cml活性所需；不含脲緩沖體系中可修飾1 . 8個色氨酸殘基，都不是cml活性所必需。
  10. The results of lauryl sodium sulfate - polyacrylamide gel electrophoreses ( sds - page ) of the aggregate precipitate and supernatant and the result of high - performance size - exclusion chromatography of the supernatant indicated that, by wrongly linked intermolecular disulfide bonds soluble bi - molecular and tri - molecular egg white lysozyme aggregate could be simultaneously formed except being renatured to native and active egg white lysozymes during the refolding procedure of denatured - reduced egg white lysozyme ; the aggregate precipitate could be further formed by the non - covalent bonds interaction between the soluble hi - molecular egg white lysozyme aggregates, and the soluble tri - molecular egg white lysozyme aggregate could still stay at the supernatant

    沉澱和上清液的不連續十二烷基硫酸鈉聚丙烯酰胺凝膠電泳（ sds - page ）和高效凝膠排阻層析分析結果表明，還原脲變性蛋白溶菌酶在稀釋復性過程中除了能夠復性成天然態蛋白溶菌酶分子外，還會形成可溶的蛋白溶菌酶分子二聚體和三聚體，二聚體和三聚體主要是靠分子間二硫鍵的錯配連接而成的；可溶的蛋白溶菌酶分子二聚體之間通過非共價鍵相互作用而形成集聚體沉澱，而可溶的三聚體溶菌酶分子則仍處于復性液上清液中。
  11. At the same time, we also can supply taed, thiourea, melamine, aluminum sulphate, titanium dioxide rutile and anatase, rubber accelerator, methyl cellulose, hydroxypropyl methyl cellulose, monoammonium phosphate and other phosphates, 2 - ethyl anthraquinone, etc

    同時還可為客戶提供四乙酰乙二胺硫脲三聚氰胺硫酸鋁鈦白粉橡膠促進劑甲基纖維素羥乙基甲基纖維素羥丙基甲基纖維素，磷酸二氫銨2 -乙基蒽醌等十幾種優質化工品。
  12. In this paper, the structures and the synthesis methods of glycosyl isothiocyanates are summarized, including the application as intermediates in the preparation of glycosylthioureas, glycosylheterocycles, glycosylguanidins and glycosylconjugates and so on

    本文對糖基異硫氰酸酯的結構、制備方法，以及作為中間體在糖基硫脲、糖基雜環、胍基糖苷、糖基綴合物等重要化合物的合成中的應用作了較詳盡闡述。
  13. Soil microbial biomass carbon, microbial biomass nitrogen, soil basal respiration and metabolic quotient all showed a decreasing trend under more than 15 mg. kg - 1 cadmium or more than 200 mg. kg - 1 lead, respectively. soil dehydrogenase, urease and acid phosphotase activities have a significant decrease, and the activities of soil catalase and invertase taking sencond place, while soil protease activities showed stable state

    隨重金屬濃度增加，各指標下降幅度各有差別，其中微生物生物量碳、微生物生物量氮以及基礎呼吸和微生物代謝商隨重金屬濃度增加而明顯下降；土壤脫氫酶、脲酶、酸性磷酸酶活性的下降幅度較為明顯，過氧化氫酶、蔗糖酶活性次之，蛋白酶活性較為穩定。
  14. Mass spectrometry technique will play more and more role in the field of sequence analysis. standard amino acid thiohydantoins are required as reference standard for development of c - terminal protein sequencing based on the thiohydantoin procedure

    在蛋白質c端（異）硫氰酸法順序測定技術中，標準氨基酸乙內酰硫脲（ th - aa ）的制備是必須首先要解決的問題。
  15. Code of practice for thermal insulation of roofs externally by means of sprayed rigid polyurethane or polyisocyanurate foam

    採用噴塗剛性聚氨基甲酸乙酯和聚異三聚氰脲酸酯泡沫對屋頂外部進行隔熱的實用規程
  16. The decrease of organic matter and the increase of alkali - hydrolyzable nitrogen of the hydrogen treatment were higher than the control, and urease activity, nitrogen fixation arnmonification had the same tendency, and amino acids had also changed. hi addition, comparing the control, ph of hydrogen treatment was increase and eh was decrease, and microbe mass was also too

    與對照相比，氫處理培養有機質減少量小、堿解氮的增量高，脲酶活性、固氮能力、氨化作用都較強，並且不同種類的氨基酸也表現出各自相應的差異來。此外，土壤經氫處理后，土壤的ph上升， eh下降，土壤微生物生物量也呈減少趨勢。
  17. Our 10000m2 plant located on shanghai jinshan district had established itself as a base for developing researching and manufacturing grc frp spua products, replicas of rockworks, trees, animals, our 10000m2 plant located on shanghai jinshan district had established itself as a base for developing researching and manufacturing grc frp spua products, replicas of light - weight rockworks, trees, animals, realistic and fantasys sculptures special effects etc

    公司位於金山區，擁有佔地1000餘平米的工業廠房，是集生產，加工，實驗，藝術創新的產品源頭基地，主要產品囊括： grc （低堿度硫鋁酸鹽纖維水泥） frp （玻璃鋼） spua （聚脲）製作的輕體高模擬假山，樹木，動物。
  18. Hydantoinases which consist of hydantoin hydrolase, n - carbamoylase and sometimes hydantoin racemase can hydrolyze d, l - 5 - substituted hydantoin into corresponding optically active amino acids. therefore, the hydantoinases from micro - organisms are widely applied to the industrial production of natural and unnatural amino acids. microbial hydantoinases are considered as industrial enzymes from the origin of life

    乙內酰脲酶是廣泛存在於動物、植物和微生物的一類酶系，包括乙內酰脲水解酶（ hydantoinhydrolase ， hyuh ）和n -氨甲酰基氨基酸水解酶（ n - carbamoylase ， hyuc ） ，有些情況下還包括乙內酰脲消旋酶（ hydantoinracemase ， hyur ） 。
  19. The l - n - carbamoylase of arthrobacter bt801, coded by the hyuc gene, is the rate - limiting and the only stereoselective enzyme. hydantoin hydrolase gene ( hyuh ) and n - carbamoylase gene ( hyu c ) were amplified from the plasmid of puc18 - 169 by pcr and, at the same time, activity expression was obtained in e. coli and pichia pastor is gs115 respectively

    節桿菌bt801的乙內酰脲水解酶催化乙內酰脲類化合物水解開環， n -氨甲酰基氨基酸水解酶是該菌乙內酰脲酶系中惟一具有立體選擇性的酶，也是整個反應體系的限速酶。
  20. To improve the production and activity of the enzyme, the hydantoin hydrolase gene ( hyuh ) was cloned into e. coli m15 and bl21 ( de3 ) by using vector pqe60 and pt221 respectively. two expression plasmids were thus constructed

    用pcr技術從質粒puc18 - 169中擴增出l -乙內酰脲水解酶基因（ hyuh ）和n -氨甲酰基氨基酸水解酶基因（ hyuc ） ，分別在大腸桿菌和畢赤酵母中實現了活性表達。
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