您要查找的是不是:
- The Correction Factor of the Pressure of Cross Section Before A Hydraulic Jump in Stilling Basins Under Nappe Flow of Stepped Spillways 跌落水流時(shí)臺階式溢洪道消力池躍前斷面壓力修正系數
- Renewing thinking of design work,improving layout of drift plane,changing the shape of cross section of the main room floor ,the overall design of central substation of main inhalation dewatering pump room in underground mine can be optimized. 更新設計思路,改進(jìn)巷道平面布置方式,改變主要硐室底板橫截面形狀,可以?xún)?yōu)化地下礦山吸入式主排水泵房和中央變電所整體設計。
- The shape of cross section of gravity dams under basic loads was optimized from an initial quadrilateral region with the stability of dam bodies against sliding and the tensile stress in dam heels taken as restraints. 以四邊形為初始域,以重力壩的穩定和壩踵拉應力為約束條件,對基本荷載作用下的重力壩基本斷面形狀進(jìn)行優(yōu)化。
- Six specimens with three steel categories, three kinds of cross section shape and two kinds of composed method are tested under statically cyclic loading.Seismic performances are studied. 通過(guò)低周反復荷載加載試驗,研究了防屈曲支撐的力-位移滯回曲線(xiàn)、割線(xiàn)剛度及其退化過(guò)程、等效粘滯阻尼比等抗震性能。
- The flash ratio of the magnetic susceptibility ellipsoid is E>1, and the shape factor of the magnetic ellipsoid is T>0. 根據區域對比,卻勒塔格韌性變形帶是中天山秋格明塔什-黃山巨型韌性擠壓帶的一部分,屬其北部邊緣過(guò)渡帶范圍。
- At the same time, combining the shape factor of wear spots, those not belonging to wear spots are eliminated, so the recognition of the image after segmentation is realized. 采用最小誤差法選取閾值進(jìn)行分割,并結合形狀因子分析法去除非磨斑目標,完成對分割后磨斑圖像的識別。
- Jeffrey M Wooldridge,"Econometric Analysis of Cross Section and Panel Data",The MIT press. 古扎拉蒂:計量經(jīng)濟學(xué)基礎(第四版).;中國人民大學(xué)出版社
- Finalise the type of bridge and the form of cross section through comparing and selecting the schemes. 1 通過(guò)方案比選確定橋型和截面形式。
- Wooldridge,J.M.,2002,“Econometric Analysis of Cross Section and Panel Data”,The MIT Press. 吳衛星;齊天翔.;流動(dòng)性、生命周期與投資組合相異性--中國投資者行為調查實(shí)證分析[J]
- Micro B4C spheres with an average sphere factor of 0.95 has been prepared by gas grinding method.And the theoretical relationships between the product shape factor and gas velocity has been de-rived. 用氣流研磨法制備出了球形度達到0.;95以上的致密B4C微球;從理論上得出了顆粒形狀與氣流速度的關(guān)系。
- Wooldridge, J. M. (1999), Econometric Analysis of Cross Section and Panel Data. 2002, Cambridge,MA: MIT Press. 評論[支持者:0人,反對者:0人,中立者:0人]查看評論信息
- The homogeneity of column was analyzed quantitatively with the electrical resistivity, the formation factor, the shape factor and the anisotropy factor of core samples along the column. 通過(guò)對其電阻率及其表征水泥土微觀(guān)結構的結構因子、形狀因子和各向異性指數的定量分析,闡述了水泥土攪拌樁在水平方向和沿樁身方向的均勻性;
- Wooldridge, J.M..Econometric Analysis of Cross Section and Panel Data[M].Cambridge:MIT Press,1999. 根據的相關(guān)數據計算得到.
- The gonad developing to ovarian showed augmentation of size, closing to the middle of coelom and broadening of cross section. 而將要發(fā)育為精巢的性腺則呈兩端尖中間稍突的梭形,增生并不明顯。
- Plastic honeycomb pipes are introduced about their backgrounds, materials, shapes of cross section, types of products and fittings. 介紹塑料多孔管的開(kāi)發(fā)應用背景,所用材料、截面形狀、類(lèi)型、接頭等技術(shù)特征及其優(yōu)點(diǎn)。
- The determinate factor of our economy is to control inflation. 我們經(jīng)濟的決定性因素是控制通貨膨脹。
- Discusses the calculation method of cross section area of exhaust duct. Proposes calculating storey by storey and then totalling the results. 討論了廚房排風(fēng)道截面積的計算方法,提出應逐層計算風(fēng)道截面積再疊加。
- The influencing factors of coal arch camber in planomural coal bin and coal drop pipe with rectangular or circular cross section during coal drop are studied theoretically. 摘要對落煤過(guò)程中平壁煤倉及截面形狀分別為矩形、圓形的落煤管起拱的影響因素進(jìn)行理論研究。
- The microstructure and composition of cross section of Ti-Ni two-layered bead was investigated with SEM and EDAX analysis. 研究了Ti-Ni雙層焊點(diǎn)中心和界面的微觀(guān)形貌和成分,結合SEM和EDAX分析,表明在Ti-Ni雙層焊點(diǎn)中,出現了成分均一化現象,而沒(méi)有出現Ti與Ni的分層。