structural formula 中文意思是什麼

structural formula 解釋
【化學】結構式。

  • structural : adj. 構造上的，結構上的，組織上的。adv. -ly
  • formula : n （pl formulas lae ）1 公式，程式；定則，方案。2 【醫學】配方，處方。3 （政治口號等的）提法，表...
  1. Powerformer have some changes in constract with the conventional generator ， subsequently it also have some new problems in order to have an economical ， efficient ， credible development and application the structure and the philosophy of electromagnetism of powerformer will be on speaking terms changes electrical design ， magnetism design ， thermal design and structural design are have some new changes above all ， the electromagnetism parameter and the harmonic magnetomotive force of powerformer are studied in this paper first ， it mainly utilizes analytics to deduce formula of slot leakage reactance it considers three instances ， including monolayer - slot ， multilayer isometric - slot and multilayer anisometric - slot then ， the analytics and the fem are utilized to calculate slot leakage reactance of stator winding of prototype of powerformer and compare their results second ， the theory of utilitzing fem to calculate the reactance of powerformer is simply introduced ， including stable reactance ， transient and subtransient reactance specially ， the saturated influence of the stable reactance is considered then ， the results are analysed final ， it mainly introduces the influence of harmonic magnetomotive force of stator winding and analyses the harmonic magnetomotive force of stator winding then ， it mainly analyse harmonic magneto - motive force of stator winding through arranging various arrays of stator winding and observe their influence

    基於上述原因，本文對powerformer的電磁參數以及定子繞組諧波磁勢進行了研究。首先是用解析法推導出powerformer定子繞組槽漏抗的計算公式，考慮了單層圓形半閉口槽、多層等半徑圓形半閉口槽和多層不等半徑圓形半閉口槽三種情況，並對powerformer樣機的定子繞組槽漏抗用解析法和有限元法進行了計算，並比較其結果；其次，簡要介紹了有限元法計算powerformer電抗參數的原理，包括穩態電抗、瞬態電抗和超瞬態電抗，對穩態電抗考慮飽和影響，對結果進行分析；最後，介紹定子繞組諧波磁勢對電機運行性能的影響並對定子繞組諧波磁勢進行了分析。然後通過對定子繞組進行不同排列來分析定子繞組諧波磁勢，看看繞組排列對諧波磁勢的影響。
  2. Appropriate chemical attribute information, such as structural formula, empirical formula, and molecular weight

    適當的化學性質資料，比如結構式，經驗式和分子量等。
  3. This gives us the structural formula of the molecule.

    這種方式給出了分子的結構式。
  4. Before we can assign a structural formula to a compound, we must first know its molecular formula.

    在確定一個化合物的結構式之前，首先應知道它的分子式。
  5. Its structural formula

    生產出廠指標：
  6. Element analysis apparatus and xps were taken to analyse the chemical components of the acquired products, the chemical elements of the systems were almost in according to which theoretical structural formula

    利用元素分析儀和xps對合成產物的化學成分進行了分析，各體系的化學元素基本與理論化學式相符。
  7. Since the temperature difference was most important parameters in thermal effects calculation, a combined temperature difference method considered year temperature difference and day temperature difference was put forward. with the combined temperature difference obtained from field tests, a lot of calculations have been done by finite element method ( fem ), considering of different structural measures. the law of displacement and stress in cshbb was presented and a relative displacement formula was deduced

    在介紹小砌塊建築的溫度作用分析方法的基礎上對溫度作用計算中最重要的參數? ?溫差取值進行了探討，提出了同時考慮年溫差和日溫差影響的組合溫差取值方法；根據各種不同的組合溫差取值方法，結合現場實測數據給出了試點建築的組合溫差取值，並考慮了不同構造措施的影響，對試點建築進行了有限元的溫度效應計算；給出了小砌塊建築的位移變化規律和應力變化規律以及層間相對位移的計算表達式。
  8. Abstract : based on great amount of structural steel spliced joint model experiments, related calculation formula have been derived and verified with theory and practice. the conclusions from the experiments will be useful for design and construction of prespliced joint for bridge structures

    文摘:通過大量結構鋼拼接接頭模型試驗，得出不同狀態下的實驗結果，並據此推導出相關計算公式，從理論和實踐中進一步驗證其可行性，所得結論對預制拼接梁橋結構施工和設計有指導作用。
  9. Through spectrum analysis, its molecular formula is determined as c2oh32o3. the further structural identification of this compound is in progress. meanwhile, quercetin has been isolated and its content determined by hplc

    同時證明了馬尾鬆鬆葉中含有槲皮素，並利用高效液相色譜法對其進行了含量測定，結果為0 . 0013 。
  10. The method is described as follows : the velocity of the moving part and the gas chamber pressure were measured with a dynamic test measurement system ; a dynamic model was built on force analysis of the moving part ; the total kinetic resistance replaced the horizontal friction and water resistance ; then the resistance - velocity relation curves at moving stages were obtained ; with the empirical formula of the gas chamber pressure and the resistance - velocity relation curves, the preliminary dynamic characteristics were analyzed and the structural form and key parameters of an underwater assault rifle were determined

    具體方法為：由動力學測量系統測得活動件速度和氣室壓力；分析活動件的受力，建立動力學模型；以運動總阻力代替水平方向上的摩擦阻力和水阻力，獲得各運動階段的阻力速度關系曲線；利用氣室壓力經驗公式和阻力速度關系曲線，對水下突擊步槍進行初步的動力學分析，確定其構造型式及主要參數。
  11. The integral method via a scaling and squaring algorithm with the pade approximation is presented. the three - stage lobatto iii a formula is applied to structural dynamic time history analysis. and the three - stage lobatto a formula to use hermite third order interpolations to solve interpolating middle input between two boundary points is present, which provides more accurate solutions

    提出了基於自適應變尺度pad函數逼近的精細積分方法；建立基於lobatto a一階代數微分方程邊界問題數值求解技術求解結構動力學問題的時程分析方法，提出了中間插值點hermite三次插值lobatto a數值逐步積分時程分析方法。
  12. In the formula, our experience in structural strength design and the experimental results are considered. and such factors are also considered as differences in materials of the skin and the reinforcer, effects of bending, torsion, stretching and offcenter of the reinforcer. furthermore, through post - buckling stress analysis of the skin, it is shown that even low stress level will result in buckling of the skin, but the skin still has loading capacity

    在總結過去結構強度設計和試驗分析的基礎上，應用扁殼理論，在廣義力與廣義應變關系中考慮了蒙皮與加筋不同材料以及加筋的彎曲、扭轉、伸縮和偏心等的影響，推導出適合於工程應用的加筋殼結構軸壓屈曲臨界載荷的計算方法;並通過對薄壁結構蒙皮后屈曲應力分析，說明蒙皮在很低的應力水平時就出現失穩現象，但失穩后的蒙皮仍具有一定的承載能力。
  13. Based on the experiment of full - sized cshb walls under lateral and vertical loads, initial crack - resisting stiffen formula was deduced by considering the influence of concrete beams, concrete core columns, structural columns, vertical pressure and window ( or door ). the results calculated from the formula were fit well with the experimental results. by the analysis of displacement at initial crazing, probability statistical mode and its parameters of relative displacement angle were presented

    在介紹和總結本課題的室內足尺寸單片墻抗側力性能試驗的基礎上，考慮了圈樑、芯柱、構造柱和墻體正壓力、開門窗洞等因素對抗側剛度的影響，提出了綜合各種因素的初裂抗側剛度公式，與試驗結果具有很好的一致性；結合試驗的初裂位移分析，給出了層間相對位移角的概率統計模式及相應的統計參數，提出了小砌塊建築層間位移角的控制標準。
  14. At first, an analytical solution to one dimension consolidation of half - infinite homogeneous structural soft clay ground is derived, then analytical solution to one dimension consolidation of finite thickness homogeneous structural soft clay ground are given. in the meantime numerical solution to one dimension consolidation of layered structural soft clay ground is derived. furthermore, the calculation method of the consolidation degree of sand drains ground is given under the condition of instant loading, where soil structure characteristic is taken into the formula account

    建立了結構性軟土地基固結沉降的基本理論，獲得了半無限結構性軟土地基一維固結計算解析解，有限厚度結構性軟土地基一維固結計算解析解，成層結構性軟土地基的一維固結數值解以及考慮土結構性影響的砂井地基固結度計算方法。
  15. Based on the pseudo - static experimental results of nine specimens 1 / 5 - scale specimens and failure characteristic in the structural test, the damage mechanism and the failure of abnormal joints under the shear force is analyzed. the paper discusses the possible affections of stirrup ratio, the changes of beam or column sections and initial eccentricity on carrying capacity of abnormal joints. according to experimental data, the formula for calculation of the shear - bearing capacity of abnormal joints is given

    針對該類框排架結構中通常存在異型節點的實際，在9 （其中邊節點4個、中節點5個）個1 5的偽靜力試件試驗研究及整體結構模型中該類節點破損特點的基礎上，提出了異型中節點和邊節點的破壞機理，針對異型中節點和邊節點的受力特點給出了該類異型節點的抗剪承載力計算公式和節點區的加強構造措施。
  16. The main contents are as follows : firstly, the structure and characteristics of aqueduct - stayed are summarized, based on which the structure analysis is presented ; planar structural models are established to simplify the analysis of internal force and displacement of aqueduct - stayed based on moment - distribution theory, the formula to calculate the force of cross section of aqueduct - stayed is derived. the finite element method for framed structures is used to analyze the aqueduct body. and corresponding computer programs are developed

    為便於計算，在計算斜拉渡槽的內力及變形時，將空間結構簡化為平面結構，分別對槽身橫斷面及槽身縱向結陶進行計算：以力矩分配法為基礎推導了槽身橫斷面內力的計算公式；運用直接剛度法，編制了桿系有限元程序進行槽身縱向結構計算，並簡單介紹與斜拉渡槽相關的剛度法知識以及程序的流程圖。
  17. ( 3 ) introducing the proportional damping, the finite element formula of structural - acoustic coupled system lined with sound absorbing materials is obtained. mode - superposition technique for modal frequency response analysis of coupled structure - acoustic systems is also used to deal with the sensitivities of the eigenvalues and eigenvectors of coupled systems for the purpose of reducing cavity interior noise in theory

    討論了阻尼降噪問題，建立了有阻尼聲振耦合系統的有限元模型，採用振型疊加法，將系統位移轉換到以固有振型為基向量，進行結構壁面有吸聲材料的聲振耦合系統響應的有限元分析與靈敏度分析，推導了比例阻尼條件的靈敏度計算公式。
  18. For silt, the relationship between the strength of stabilized soils with various cement contents and the cement content was investigated experimentally, and the formula of cement contents for wrapping soil particle and filling pore during the structural formation of the stabilized soil was derived

    摘要以粉砂土為研究對象，對水泥土抗壓強度與水泥含量關系進行了試驗研究，推導了水泥土結構形成過程中水泥漿包裹土顆粒和填充孔隙所分別對應水泥量的理論計算公式。
  19. Directed against the characteristic of variational high box - girder structural force, and numerical analysis of to be built bridge, taking into account construction stabilization and intension, the thesis putts forward optimal formula constructional range of isotropic box - girder thick, girder highness and underside bridge curve

    針對變高度箱梁的結構受力特點，結合實橋資料的數值分析，考慮結構穩定及強度的影響，給出了各向同性箱梁板厚、箱梁梁高和梁底曲線的優化設計公式及構造范圍。
  20. The theoretical formula for structural computation of buried stiffened - pipes is derived based on the axisymmetric bending theory of cylinders and thereby a program of structural stress computation and design optimization of buried pipes are developed

    摘要作者根據圓柱殼的軸對稱彎曲理論，推導出地下加勁埋管結構計算的理論公式，並據此編制出地下埋管結構應力計算和設計優化程序。
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