重排反應 的英文怎麼說
中文拼音 [zhòngbèifǎnyīng]
重排反應
英文
rearrangement reaction-
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。In order to make the atom economy more clear, the rearrangement reations addition reactions and isomerization reactions for examples were interpreted
通過有機化學反應中重排反應、加成反應和異構化反應等對原子經濟性進行了探討。In this paper, the stereoisomer rearrangement of biomarker compound for the exclusive reaction form the electronic off - domain to the out - proton magnetic rotation is interpreted in the sedimentary system in terms of the micro - particle wave motion and the molecular orbital theory
摘要應用微觀粒子波動和分子軌道理論、解釋生物標志化合物在沉積體系中自身獨有的「電子離城外質子磁旋反應」的重排機理。Based on the synthesis character of glufosinate - ammonium as well as arbuzov and michael reaction, a novel and reasonable scheme was put forward as the more economical and practical one with simple reagents
該方法基於阿布佐夫重排反應和邁克爾加成反應，所用原料簡單，路線設計合理，較為經濟實用。Studied the liquid - phase synthesis of butyl acetate from n - butyl alcohol and acetic acid using the supported heteropoly blue as catalyst. examed several factors imposing on esterification. the results revealed : using this catalyst, the reactions conversion percentage reaches nearly 100 %, product yield is 98. 9 %, selectivity is 98. 9 %. reusing it 10 times, the efficiency is still well. in addition, using this catalyst, the reactions temperature is mild, the reaction time is short and the equipment hasnt any erosion. furthermore, there is no “ threewastesdischarge
對以負載型雜多藍為催化劑的乙酸與正丁醇的液相酯化反應進行了研究.考察了影響酯化反應的因素.結果表明：以負載型雜多藍為催化劑，酯化反應轉化率接近100 % ，收率可達98 . 9 % ，選擇性為98 . 9 % ，重復使用10次催化效果仍好.該催化劑還有反應條件溫和、反應時間短、對設備無腐蝕、無三廢排放等優點Lorazepam was synthesized by the following seven steps : condensation reaction ( 1 ), condensation reaction ( 2 ), cyclic reaction, ring expanding reaction, acylate reaction, hydrolysis reaction and refining
摘要詳細設計了勞拉西泮的合成路線，主要過程有縮合反應（一） 、縮合反應（二） 、環合反應、擴環反應、酰化重排反應和水解反應。Study on liquid phase rearrangement of 2, 10 - epoxypinane catalyzed by nitrate of nitrogen - containing compounds
環氧蒎烷液相重排反應的研究By using the method of fault tree analysis, this paper analyses the causes of fire and explosion of catalying & cracking reactor and regeneration, draws the fault trees of fire and explosion accidents of catalyzing & cracking reactor and regeneration respectively, calculates the structure importance, makes the structure importance arrangement according to the structure importance and the least path set, puts forward the prevention measures, and provides the reliable theoretical basis for the safety control of enterprises
摘要應用故障樹分析方法，對催化裂化反應器和催化裂化再生器發生火災（爆炸）事故的原因進行分析，分別畫出催化裂化反應器和催化裂化再生器發生火災（爆炸）事故的故障樹，得出最小徑集合，並計算其結構重要度，根據得出的最小徑集合及其結構重要度進行排序，提出預防措施，為企業的安全管理提供了可靠的理論依據。From a viewpoint of organic synthesis chemistry, the recent development and applications of molecular iodine as a catalyst in organic reactions including the formation and cleavage of common protecting groups, oxidation, reduction, cyclization, addition, substitution and rearrangement are reviewed
從有機合成化學的角度，按反應類型綜述了分子碘作為催化劑在有機化學中的應用，碘催化的反應主要涉及保護基團的形成和裂解、氧化和還原反應、成環反應、加成反應、取代反應和重排反應等。In the case, the background of tinghsin international group and the operations mode of guangzhou tingyi international food co. ltd. are introduced. the kinds and the production process of the brand " mr. kon " are described referring to the competition in instant noodles market, and the production equipment, labor arrangement, and the production plan in workshops of noodles, seasoning packs, and bowls are emphasized. it reflects that the conflict between the variety of products and the specialty of machines in the old production plan procedure restricts the quick response of manufacturing and consequently the supply of products
案例部分，介紹了頂新國際集團的背景資料；說明了廣州頂益國際食品有限公司的運作模式；結合方便麵市場競爭形勢，詳細描述了「康師傅」方便麵的種類、生產工藝；重點闡述了制面、調理、制碗三車間的生產設備、人員結構、生產安排的特點；真實反映出：在原生產安排流程中，產品的多樣性與設備的專用性的矛盾制約了生產的快速反應，從而影響產品需求的供應。Recombinated human ctla4ig fusion protein had been used experimentally and clinically in prevention and treatment of transplant rejection, autoimmune diseases and allergic diseases, and positive curiative results were obtained
重組人ctla4ig融合蛋白已被運用於防治移植排斥反應、自身免疫性疾病和變應性疾病等的實驗和臨床研究，並取得了肯定的效果。Hence, yeast gs115 was used to express the target protein in this study. objection : to obtain the biological activated recombianated protein of huaman ctla4 extracellular domain ( ctla4e ), and to explore its effects on allergic diseases and transplant rejection
目的：獲取具有生物學活性的重組人ctla4胞外區蛋白（ ctla4e ） ，探討其在變應性疾病和器官移植排斥反應防治中的作用和機理。Preparation of - carbonylesters from michael addition of p - nitrophenylsulphonylmethylbenzene and its derivatives with methylacrylate
對硝基苯磺酰甲基苯及其衍生物與甲基丙烯酸酯的加成重排羰基化反應Recently, accumulating evidences have shown that regulatory t cells play a key role both in maintenance of self tolerance and tolerance to allograft
近年來，調節性t細胞在自身耐受和抑制同種異體排斥反應中的作用受到越來越多的重視。In terms of regulatory t cell, cd4 + cd25 + t cell is representitive. ln naive individuals, cd4 + cd25 + t cells function as self tolerance, in recipients with long term survival allograft. they play an important role in suppression of allograft rejection. immune regulation potent cd4 + cd25 + t cells can be recovered from recipients with long term survival allografts. such regulatory t cells can suppress t cell mediated rejection in vitro and in vivo
其中， cd4 + cd25 + t細胞是具有代表性的調節性t細胞。在未經處理的機體內， cd4 + cd25 + t細胞對保持自身耐受起著關鍵的作用。在同種異體移植物長期存活的受體內， cd4 + cd25 + t細胞對抑制同種異體移植物排斥反應也起到很重要的作用。This paper is a part of fms what is to say how to realize the quick reaction on garment quality control and procedure arrangement in the production management under the mode of " many variety, small quantity "
本課題研究的重點是fms的一部分，即在當前多品種小批量生產模式下服裝生產管理中工序編排與質量管理如何達到快速反應。The management of the assembly line of clothing is the most important link in the production of the clothing, and chooses a good procedure synchronization scheme is a complicated and changeable course in step assembly line among them, and it needs not only the expert ' s abundant knowledge and flexible judgment, but also a large amount of repetitive operation. this paper grades the assembly line of clothing intelligently in principle of the basis expert system, and develops quick and high - efficient arrange system of procedure synchronization, and makes the production management of the clothing reach the request for the quick reaction by using intelligent technology
服裝流水線的管理是服裝生產中最重要的一個環節，其中編排流水線的同步化方案是一項復雜多變的過程，既需要專家的豐富知識和靈活判斷，又牽扯到大量的重復進行的思維過程，本文依據專家系統的原理對服裝流水線進行智能化編排，開發出迅速高效的工序同期化的編排體系，運用智能技術，使服裝生產管理達到快速反應的要求。Numerical simulation by cfd was carried out to understand the hot current behavior in a tunnel with longitudinal ventilation. it becomes clear that fire source modeling is very important because the hot current behavior is strongly affected by the fire source position and is sensitive to methods in the modeling of the fire source. the flame area which has developed from the fire source is an area of chemical reaction caused by combustion. even if grids in the vicinity of the fire source are made fine, it was difficult to simulate the heat generation area with consideration to this chemical reaction through using a method for setting the heat release rate simply on the fire source surface. therefore, we proposed a method adopting the knowledge on flame shape under the longitudinal ventilation and incorporating it into numerical simulation and it showed a good agreement with the experimental results. it was shown through experiments in a tunnel with longitudinal ventilation that the hot current developed toward the tunnel center downwind from the fire source near a wall. the cause was investigated by numerical simulation and it became clear from the results that the spiral air by the fire plume created a vortex in the crevice between the wall and the plume
運用cfd進行數字模擬，以了解縱向通風隧道內熱煙氣流的特性.通過模擬發現對火源進行模擬非常重要，熱煙氣流特性受火源位置的影響很大，並且對火源模擬方法很敏感.火源生成的火焰區是燃燒引起的化學反應區域.即使火源附近的木垛排列完好，也很難在考慮這些化學反應條件下模擬熱生成區域.建議考慮縱向通風隧道內火焰形狀並對它進行數字模擬.模擬結果與試驗結果非常吻合.試驗證明，在縱向通風隧道內，熱煙氣流從靠近墻體火源處順風向隧道中心蔓延.數字模擬結果發現，火災羽流造成的螺旋上升空氣會在墻體和羽流之間形成一個渦流區Abstract : numerical simulation by cfd was carried out to understand the hot current behavior in a tunnel with longitudinal ventilation. it becomes clear that fire source modeling is very important because the hot current behavior is strongly affected by the fire source position and is sensitive to methods in the modeling of the fire source. the flame area which has developed from the fire source is an area of chemical reaction caused by combustion. even if grids in the vicinity of the fire source are made fine, it was difficult to simulate the heat generation area with consideration to this chemical reaction through using a method for setting the heat release rate simply on the fire source surface. therefore, we proposed a method adopting the knowledge on flame shape under the longitudinal ventilation and incorporating it into numerical simulation and it showed a good agreement with the experimental results. it was shown through experiments in a tunnel with longitudinal ventilation that the hot current developed toward the tunnel center downwind from the fire source near a wall. the cause was investigated by numerical simulation and it became clear from the results that the spiral air by the fire plume created a vortex in the crevice between the wall and the plume
文摘:運用cfd進行數字模擬，以了解縱向通風隧道內熱煙氣流的特性.通過模擬發現對火源進行模擬非常重要，熱煙氣流特性受火源位置的影響很大，並且對火源模擬方法很敏感.火源生成的火焰區是燃燒引起的化學反應區域.即使火源附近的木垛排列完好，也很難在考慮這些化學反應條件下模擬熱生成區域.建議考慮縱向通風隧道內火焰形狀並對它進行數字模擬.模擬結果與試驗結果非常吻合.試驗證明，在縱向通風隧道內，熱煙氣流從靠近墻體火源處順風向隧道中心蔓延.數字模擬結果發現，火災羽流造成的螺旋上升空氣會在墻體和羽流之間形成一個渦流區Diazo carbonyl compounds catalyzed by ag has been applied to the efficient synthesis of optically pure
-重氮羰基化合物在ag催化劑的作用下的wolff重排反應可以有效地合成光學純的分享友人