軛狀的 的英文怎麼說
中文拼音 [èzhuàngde]
軛狀的
英文
zygal-
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。It includes the two parts : in the general part, taxonomic histry, matirals and methods, morphology, biology and economic importance of hesperiidae are introduced and reviewed. in taxonomic part, based on studies of the two tribes ' systematical researches, the founction of the male genitalia characaters in taxonomy are studied and discussed. the results are follows : 1 ) the length and shape of the saccus are important characters to divide hesperiinae into tribes. 2 ) uncus, socius and gnathos are major traits in infragenus classification
並以弄蝶亞科hesperiidae的2個族(腌翅弄蝶族astictopterini 、吉弄蝶族gegenini )的系統分類作為基礎,研究了弄蝶雄性外生殖器的特徵囊形突saccus 、陽莖軛片juxta 、鉤突uncus 、背兜側突socius 、鍔突gnathos等在弄蝶亞科分族、分屬、分種中的作用;發現囊形突的長短和形狀可以作為亞科分族的重要依據,鉤突、背兜側突等特徵則在分屬和分種時具有重要的作用。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。A bar used with a double harness to connect the collar of each horse to the pole of a wagon or coach
軛狀物用雙馬具把每個馬軛連到四輪運貨馬車或公共馬車的轅桿上的木條In addition, the attitudes of conjunctive fractures deduced from the borehole images provide important information for the direction of paleo - structural stress field
利用從電成像測井圖像上提取的共軛裂縫的產狀信息,還可以恢復裂縫形成時古構造應力場的方向。For bilateral symmetry objects, the techniques on symmetry - point detection and symmetry - axis extraction are presented based on harmonic conjugation relationship. for rotated symmetry objects, the techniques on rotated units description and rotated symmetry center extraction are presented based on center invariants of objects. further more, by using 3d invariants and 2d projective transformation, an approach to recover shape from part symmetry objects is realized on some conditions
( 3 )深入分析了2d對稱性目標透視成像的幾何特點,將共點四線交比用於目標輪廓上的關鍵點的特性描述中;利用調和共軛關系,提出了一種針對左右對稱型目標的對稱點檢測和對稱軸提取的演算法;利用交比關系構造了目標的形心不變量,提出了一種針對旋轉對稱型目標的旋轉對稱單元判定、旋轉中心提取的演算法;進一步利用3d不變量和2d射影變換,實現了一定條件下的對稱性目標的形狀恢復技術。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。One is made out of small organic molecules, the other out of long, conjugated polymer molecules
一類是由有機小分子組成,另一類則是由長鏈狀的共軛聚合物分子製造的。In the solid model building program, based on the cutting tooth theory of double circular arc profile spiral bevel gear and autocad software, a series of computer simulations about solid model building and cutting tooth process of the gear were curried out. the cutter ' s tooth shape, the processed gear blank shape and its conjugated tooth profile shape as well as visual movement relationship between generating gear and processed gear blank etc. were obtained. the relative position of cutter and processed gear as well as the movement trace and rule in the cutting process can be showed dynamically on screen
在實體建模程序中,以雙圓弧弧齒錐齒輪的加工原理為基礎,藉助繪圖軟體autocad ,模擬了雙圓弧弧齒錐齒輪銑刀盤刀齒形狀、輪齒毛坯形狀等,進而根據產形輪與被加工齒坯之間的共軛嚙合關系,進行了雙圓弧弧齒錐齒輪的實體建模及加工過程模擬,在屏幕上動態顯示刀具及被加工齒輪的相對位置及其加工時的運動軌跡和規律。The number of the intersection points which some conjugate states of m sequence are in the state - graph of m sequence has closely relation to the cut - joining method of m sequence
M序列中的共軛狀態在m序列的狀態圖中的交點個數與m序列的剪接構造法有密切的關系。In the computational methods of tpbvp, in order to reduce some difficulties involved in solving a tpbvp via adjoint variables, we discuss a direct method in which state and control variables are indirectly parameterized, the method employs a recently developed direct optimization technique that uses a piecewise polynomial representation for the state and control variables, thus converting the optimal control problem into a nonlinear programming problem, which can be solved numerically. it makes the initial iterative variable more easy to be determined
在數值解法中,為了減少解決兩點邊值問題共軛變量帶來的困難,主要討論了將狀態變量和控制變量進行參數化的一種直接方法,這種方法採用了近段發展起來的使用分段的多項式來代替狀態和控制變量的直接優化方法,然後最優控制問題就轉化成可以用數值方法解決的非線性規劃問題,使得迭代初值更加容易選取。Due to the convergence of cg method is strongly dependent on the condition number of the hessian, the inexact newton method with cg subiterations will be powerful if these cg subiterations are replaced by preconditioned cg subiterations with suitable preconditioner
由於cg法的收斂狀態強烈的依賴于海色陣的條件數,所以用條件預優共軛梯度法( pcg )替代cg法會得到更好的效果。The yoke with four flexible links was applicable for the inspection of the components with various shapes, and could meet the needs of in - situ inspection
研製的電磁軛有四個活動關節,適用於探測任何形狀的構件,能滿足機上原位探傷的要求。The primary conclusions are drawn in this paper on these points : ( 1 ) after the blasting data of delayed time and height are gained based on the theory of gradually disintegration, the elements need to kill are executed similar with destroying the part of the building. then the pre - condition cg solver is pitched on to execute the nonlinear analysis
本文的主要成果如下: ( 1 )根據逐段解體法爆破拆除設計的原理,計算秒延差時間和爆破高度,在已劃分網格的有限元模型中殺死擬爆除的部分單元,使整體結構處于失穩狀態下,然後利用前置條件共軛梯度法求解器對結構進行材料和幾何非線性求解。分享友人