雜環基 的英文怎麼說
中文拼音 [záhuánjī]
雜環基
英文
heterocyclic radical-
The article is based on nation nature science foundation of china, " biogeochemical cycling of pollutants in complex environments of tidal flats in the yangtze estuary " ( no. 40131020 ). the author chose open tidal flat of dong tang chongming yangtze estuary as research object and set up typical section plane so that under the good condition, the author measured hydrology element, total nitrogen and total phosphor index
本文依託國家自然科學基金重點項目「長江口濱岸潮灘復雜環境條件下物質循環研究」 （批準號： 40131020 ） ，選擇了長江口崇明東灘敞開型潮灘為研究對象，設置典型斷面，在平靜天氣條件下，實測了水文、地球化學要素，獲得了水位、流向、流速、 tn及tp等指標6000多個實測數據，著重對長江口潮灘水動力過程、 tn和tp的動力輸移過程進行研究。The most important chemistry of dithianes, however, lies in their ability to act as a masked carbonyl group.
然而二硫雜環已烷的最重要的性質是它作為一個被掩蔽的羰基。Six quaternary ammonium tetraphenyl borates salt photobase generators were synthesized with the use of p - methoxy phenacylmethylene or 2 - naphthoymethylene as chromophore, and triethylene diamine, pyridine or 3 - methyl pyridine as tertiary amine
摘要以對甲氧基苯乙酮、萘乙酮生色團為母體、雜環叔胺三亞乙基二胺，吡啶， 3 -甲基吡啶和四苯硼鹽為原料，合成了6種四苯硼季銨鹽光產堿劑。7 brana m f ， cacho m ， gracia m a. synthesis, antitumor activity, molucular modeling, and dna bing properties of a new series of imidazonaphthalimides, j. med. chem. 2002, 45 : 5813
4上官國濤，王寧，朱軍. ?甲基? ?雜環酰胺基乙基鍺倍半硫化物的合成和抗癌活性研究.數理醫藥學雜志， 2004 ， 17 （ 4 ） ： 357We have, therefore, in both of the examples above, heterocyclic compounds with "built-in" or latent functionality.
上述兩例中的雜環化合物，都具有「固有的」或潛在的官能基。Huang, x., liu, z. - x., “ solid - phase synthesis of 4 ( 1h ) ? quinolone and pyrimidine derivatives on a new scaffold - polymer - bound cyclic malonic acid ester ”, j. org. chem., 2002, 67 ( 19 ), 6731 - 6737
國家自然科學基金面上重點項目： 「丙二酸環酯聚合物試劑參與的雜環化合物固相合成」 （ 2001 - 2003 ） 。Study of hydroxylation of poly ether sulfone keton containing the phthalazinone moiety copolymer
含氮雜環聚醚碸酮的羥基化改性Synthesis and properties of poly aryl ketone containing bis phthalazinone and methylene moieties
含苯側基雜環聚芳酰胺酰亞胺的合成與性能N - methyl piperidine base
甲基氮雜環己烷By using sterically hindered, electron - rich alkylphosphines and n - heterocyclic carbenes ( nhc ), this process has encompassed a broad range of substrates including ketones, aldehydes, esters, amides, malonates, nitrocompounds, nitriles and sulfones
隨著大位阻、富電子烷基膦和氮雜環卡賓（ nhc ）為配體的催化體系的出現，該類反應的底物已從酮擴展到醛、酯、酰胺以及含酸性氫的化合物如丙二酸酯、硝基化合物、腈、碸等。Moreover, there are drawbacks like difficulties in stimulation, complexity of calculation and heavy work in all these models because of many other factors. for example, the complexity of the dam structure, difficulties in measuring the physical and mechanical parameters of building materials and subgrade soil, stimulating the geologic structure of subgrade, predicting effects of loads, construction and environment on the dam and so on
此外，由於大壩結構復雜，建築材料和地基巖土的物理力學指標難以測定，復雜地基的地質構造還很難模擬，荷載、施工及環境因素對水工建築物的影響還很難準確預測，應用各種模型都存在著模擬困難、計算復雜、工作量大等不足。Carbonylation reactions of heterocycles
雜環化合物的羰基化反應Upper - year students are required to take " chemical bonding ", " transition metal chemistry ", " alcohols, ethers, carbonyl compounds ", " amines, arenes and heterocycles ", " chemical kinetics ", " molecular spectroscopy ", " instrumental analysis ", which are continuations of the courses they have taken earlier. the related laboratory courses focus on modern chemical technology
高年級必修化學鍵、過渡金屬化學、醇，醚與羰基化合物、酉安，芳烴與雜環、化學動力學、分子光譜學等與低年級相應之延續科目，而有關的實驗課則注重近代化學技術。Upon existent theoretical and experimental results and based on a great of laboratory investigations carried out in chongqing university, for the first time this paper studies systematically the insulators dc discharge performance and flashover mechanism of iced insulators in the complex atmospheric environment, which will contribute to the understanding of flashover phenomena observed on ice surface at low air pressure and provide the test and theoretical reference for hv and ehv transmission lines design and safety service
為此，在國內外現有工作的基礎上，通過大量的試驗研究，本文主要研究了復雜環境中絕緣子的直流閃絡特性及閃絡機理。其結果有助於進一步了解低氣壓下覆冰絕緣子的閃絡現象，並可為輸電線路的設計和安全運行提供理論依據。The other classfies the calculation of mbps into the solution of inequation based on heuristic knowledge of mbps of optimal directional coordination setting in complex multiloop network and comes into equivalence of 0 - 1 integral second layout problem. on the basis of the principle of gene optimal evolution, a new approach to determine mbps is first presented and decreases the computational complexity of mbps problem
其二，利用復雜環網方向保護最優整定配合中最小斷點集（ mbps ）的啟發知識，將mbps的計算歸結為解不等式，進而等價為0 ? 1整數二次規劃問題，基於基因遺傳優化計算原理，首次提出了mbps問題的基因遺傳演算法，降低了問題的計算復雜性。Hydroxylation of poly phthalazinone ether sulfone ketone containing phthalazinone moiety and properties
含氮雜環聚芳醚碸酮羥基化改性及性能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。This paper is based on the construction of jiangbei airport station of the chongqing no. 3 light railway, the control demolition applied to shallow covered and large foundation pit excavation under urban complicated condition is introduced
摘要以重慶輕軌三號線江北機場站為例，介紹了城市復雜環境條件下淺埋隧道、大基坑開挖控制爆破施工方法。We have synthesized two novel crown ether compounds which possess the properties of lyotropic liquid crystals. the one is n - octoxymethyl - 15 - crown - 5, the other is ( 15 - crown - 5 ) methyl stearate. the hydrolysis of pnpp ( p - nitrophenyl pipolinate ) catalysis by n - octoxymethyl - 15 - crown - 5 micellar solution has been studied spectrephoto - meterically
我們合成了兩種具有溶致液晶性質的冠醚化合物，正辛氧基甲基- 1 ， 4 ， 7 ， 10 ， 13 -五氧雜環十五烷和硬脂酸（ 15 -冠- 5 ）甲酯和3 -正辛氧基- 1 ， 2丙二醇。Study of synthesis and properties of poly m - methyl substituted phthalazinone ether s
二甲基取代雜環聯苯聚芳醚的合成與性能分享友人