共軛化合物 的英文怎麼說
中文拼音 [gòngèhuàgěwù]
共軛化合物
英文
conjugated compound-
Study on electronic spectra and second - order nonlinear optical property of substituted 60 fulleropyrrolo barbituric acid derivatives
取代螺旋共軛化合物非線性光學性質的理論研究The other conjugation polymer was formed by copolymerization of n - ( a - naphthyl ) carbazole with l, 4 - di ( chloromethyl ) benzene. the third organic molecule was synthesized by heck reaction with 9, 9 - di [ ( 4 - iodine ) phenyl ] fluorene and vinylcarbazole
一個共軛高聚物為n - （ -萘基）咔唑和對二氯甲基苯通過wittig - horner反應聚合得到的高分子化合物。First to heat pvc and sulfur together at a certain temperature, where the melted sulfur being a fine dehydrogenating agent, captured hydrogen from pvc bone chain and led to an electrially conductive polymer with conjugated electrons
採用聚氯乙烯與單質硫在一定的溫度下加熱處理，在熔融狀態下的單質硫作為良好的脫氫氧化試劑，使聚氯乙烯主鏈脫氫形成具有共軛電子的導電聚合物。Also, the author ’ s design strategy and creativity has been given in this paper. specifically, it includes : based on the feasibility analysis of the fit selection of control parameters in the aeration process, the aeration process of wastewater treatment of the joint - constructional complete - mixed activated sludge process has been aimed at in this paper. then, the state equations of the aeration process have been proposed in this paper, which is on the base of dissolved oxygen concentration ( do ) and discharge quantity of sludge ( qw ) as control variables, the concentration of bod and sludge as state variables. based on the present study on optimization control of wastewater treatment, the multivariable optimal control model with restriction factor has been presented in the paper with introducing modern control theory and system analysis into the field of activated sludge wastewater treatment,
具體包括:以完全混合、表面曝氣合建式活性污泥工藝的污水處理曝氣過程為研究對象，在闡述了曝氣過程式控制制參數選取可行性的基礎上，建立了以溶解氧濃度do和活性污泥排放量qw為控制變量，以曝氣池中有機物濃度s和微生物濃度x為狀態變量的活性污泥曝氣過程的基本狀態方程;運用現代控制理論的觀點和污水處理理論，在現有關于污水處理最優控制問題研究的基礎上，建立了有約束條件多變量能耗最小數學模型，該數學模型是以有機物排放總量和狀態變量的末值條件作為約束條件，曝氣過程的能耗最小作為目標泛函;採用增廣拉格朗日乘子法對最優控制問題進行轉化，並對應用極大值原理求解能耗最小這一最優控制問題進行了詳細的解析;引入約束運算元，應用具有控制約束的共軛梯度演算法對能耗最小這一最優控制問題進行求解，並進行模擬實驗驗證。In the molecular orbital theory, the molecule of the conjugated hydrocarbons considered generally can be represented in carbon - atom skeleton graph, the character of this kind of graphs is that all vertices have degree no greater than three and have a perfect matching
在分子軌道理論中，所考慮的共軛碳氫化合物的分子常用碳原子骨架圖來表示，此類圖的特徵是所有頂點的度不超過3 ，並且具有完美匹配。A full mathematical model of optimal flow pattern design withengineering constraints was put forward, based on modern optimal control theory. an optimal flow pattern design was presented for optimizing meridional channel of axial flow turbine. according to integral optimization of turbine stages, a full physical model and mathematical expression were put forward for proposition of optimal flow pattern, including all performance parameters in turbine stages. this problem was further recast into a typical form control to maximize specific performance index such as work or efficiency of stage with given initial state, fixed terminal condition and constraints for part of state terminal variables. the program was also worked out according penalty function method and conjugate gradient method. the optimal distribution of c1ur1 ( r1 ) was obtained according to constraint conditions and maximized objective function
把近代最優控制論方法引入軸流透平葉片的設計，在優化的軸流透平子午通道內，建立包括透平級內所有性能參量的最優流型命題的完整的物理模型及其數學表達式，並歸化為一個在給定初始狀態、自變量終端固定、部分狀態變量終端受有約束的條件下，使級的某一性能指標（如級的功率）達到最優的最優控制問題，應用「代價函數法」及「共軛梯度法」編制計算程序，計算得到符合給定約束條件、並使目標函數取極值的最優環量分佈，結果是令人滿意的。Abstract : polyphenylacetylenes were synthesized by rn ( nbd ) cl 2 and wcl6 / ph4sn catalyst systems in n2 at room temperature. polymers with high yield and high molecular weight were obtained. their structures were characterized by uv, ir, nmr and gpc, respectively. the fluorescence of the polymer solution with different concentration was investigated using variable excitation wavelength from uv to visible region. the relation between fluorescence and polymer structure was studied. the results showed that the molecular chain structure has great influence on fluorescence of the polymers. the emitting peak wavelength of fluorescence for the polymer of high stereoregularity is independent of solution concentration and excitation wavelength. the emitting peak wavelength of fluorescence for the polymer with disordered molecular chain arrangement varies with changing the solution concentration and excitation wavelength, and different emission sites in molecular chains and low emitting yield are shown. the measurement and analysis of fluorescence spectroscopy of polyphenylacetylenes may provide some useful information to judge the molecular chain arrangement in some conjugated polymers
文摘:使用有機金屬銠、金屬鎢/四苯基錫催化劑體系聚合苯乙炔，分別獲得了高產率和高分子量的聚苯乙炔.使用uv ， ir ， nmr ， gpc等分別對聚合物結構進行了表徵.採用不同波長的激發光對聚合物熒光性能進行研究，詳細分析了聚合物結構與熒光性能之間的關系.研究結果發現，不同聚合物結構對聚合物熒光性能產生很大影響，規整性高的聚合物，將有較高的發光量子效率；聚合物規整性差，將可能導致多個熒光發光結構點，其熒光強度降低.聚合物熒光光譜研究將對某些共軛聚合物結構的規整性分析提供一些有用的信息The nonlinear properties of the type compound of chalcone have been studied using finite field ( ff ) / pm3 method. the influence of the molecular structures, the type of substituting group and its sites on organic conjugated molecular electronic and nonlinear properties have also been studied for different substituting group and its sites. the results proved that the substiuting group noucd improve obviously the nonlinear properties of the system
利用有限場ff pm3方法討論了查爾酮類化合物的非線性光學性質，針對不同取代基和取代位置系統分析了分子結構、取代基的類型、取代位置對共軛有機分子電子性質及非線性光學性質的影響結果表明，取代基的引入可明顯改善體系的非線性光學性質A great deal of research is being devoted to the understanding of systems, biomimetic and otherwise, that self - assemble into organized structures. liquid crystals represent one of the best known classes of self - organizing materials, exhibiting properties that range from surfactants that can form micelles, monolayers, and membranes, to the rodlike molecules used in liquid crystal displays, to the recently discovered disc - like liquid crystals
卟啉液晶分子是一種共軛大環化合物，其周邊有十二個活性部位可與不同的柔性側鏈相連接，且分子的長徑比與直徑厚度比等均可以調整，因此，可以通過分子設計在卟啉的周邊引入柔性側鏈合成出新型具有期望性質的卟啉液晶材料。Theoretical study on non - linear optical properties and electronic spectra of a series of halogen substituted spiroconjugated molecules
鹵素取代螺旋共軛化合物的電子光譜和二階非線性光學性質的理論研究Abstract : this paper applies the theory and method of extenics to thediscussion of the conjugate exchange and the matter - element transformation in merger of colleges and universities. it offers a new thought for deepening the reform of merger of colleges and universities
文摘:應用可拓學的理論和方法，討論了高校合併的共軛轉化和物元變換，為深化高校改革提供一種新的思路Theoretical study on electronic spetra and nonlinear optical properties of subphthalocyanines substituted by no2 groups
硼羰基取代螺旋共軛化合物電子結構的理論研究分享友人