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trapezium n.(pl. trapeziums, -zia ) 【數...

trapezohedron

And grindintg experiment based on uniform design is conducted . depending on data process system , the regression model of production efficiency , output per degree and particle are established . through single factor analysis on all experimental indexes , the law that the bottom corner , height , bottom length of trapezium and spacing influence the hammer mill capbility are achieved 并采用均勻設計方法安排異型粉碎室粉碎試驗。利用數據處理系統,建立生產率、度電產量、粒度的回歸方程。對各試驗指標進行了單因素分析,研究梯形篩片的底角、高度、間距和下底長對粉碎性能的影響規律。

In regard to research method , this paper adopted properties combining the qualitative and quantitative supply chain , and evaluated supply chain informationization . membership function , regular trapezium fuzzy mathematics , integral fuzzy mathematics and triangle fuzzy ahp were used to build up in index system . . this paper innovated in the following points 在研究方法上,本文基于定性和定量相結合的原則,運用模糊數學的隸屬函數、正梯形模糊數、積分解模糊法等來對評價體系中的指標進行評價并量化,并綜合運用模糊數學的方法對供應鏈的信息設備利用率進行評價計算,最后運用基于三角模糊數的模糊ahp方法,來對供應鏈的信息化水平進行綜合評價。

The numerical model based on vof method gives the bragg resonance phenomena and the resonant reflection coefficient agrees well with the result of physical experiment . the numerical simulation on the interaction between surface waves and the triangle / trapezium sandbars on the seabed also shows the bragg resonance and the resonant period matches the davies “ prediction 應用vof方法所建立的數學模型,在與物理模型試驗相同條件下,數值模擬反映出的bragg共振現象及得到的最大反射系數與物理模型試驗結果吻合;對波浪與三角形或梯形沙壩地形相互作用的數值模擬也較好地反映出了bragg共振現象,共振周期與davies理論預測一致。

To bj1027 pick up , for former - brind “ generally great change augmenting tyre “ landscape - orientation - mete , then result tyre leaning - grind . through plentiful market researching , correlative examination , data stat analyse , theory calculating and the same products and car comparating , we make clear the relation and the movement connection in suspend , veer and tyre , confirm again veer trapezia - cut - point , and adopt a series of measures , resovle tyre leaning - grind completely , elevate the whole track “ capability 我們通過大量的市場調查、相關的檢測與試驗、數據的統計分析、理論分析計算,并對比同類產品及轎車進行分析研究,弄清了懸架、轉向與輪胎之間的相互聯系與運動關系,重新確定了轉向梯形斷開點的位置,并相應采取了一系列措施,徹底解決了輪胎偏磨這一問題,使整車性能得到了明顯提高。

In this paper the basic principle of the method of characteristics is described , and is constructed an explicit scheme for dam break simulation of one - dimensional dam instant all break waves flow of a low dam with rectangle section and a huge dam with trapezia section , and of two - dimensional dam instant part break waves flow with simplest space operator splitting 本文模擬了一維矩形斷面低壩和梯形斷面巨型壩瞬間全潰的洪水波演進過程,給出了與分析解的比較,并結合算子分裂的特征線法對二維瞬間部分潰壩時洪水波的演進過程進行了數值模擬。

The materials - air circulation is existed in the ginding chamber of hammer mill when grinding materials . it led to lower production , higher consumption of energy and particle inhomogeity . aiming at materials - air circulation , the special type grinding chamber that is made up of trapezium screen was proposed 針對錘片式粉碎機工作時粉碎室內存在物料-空氣環流層,導致其粉碎效率低、能耗高,且粉碎物粒度不均勻,提出使用梯形篩片構成的異型粉碎室來改善錘片式粉碎機的性能。

This paper uses complex simpson numerical integration , trapezium area formula and optimization theory to precisely compute according . to mathematical model . it provides data and reference to help check turning conditions of platform lorry , and realizes real time , dynamic inquiry of platform lorry design 利用復合simpson數值積分方法、梯形面積型心公式和最優化理論對數學模型進行了精確求解,為平板車轉彎工況的校核提供數值和理論依據,實現了平板車設計過程的實時、動態查詢。

From error of trapezia quadrature and hardware design of calorimeter , we introduce sampling factor to obtain factual temperature and adopt shorter interval to perform cooling emendation . the appropriate interval is confirmed through thermal capacity demarcating and caloric measuring experiments 從梯形法求解定積分的誤差出發,結合恒溫式氧彈儀硬件電路設計的具體情況,引入采樣因子來準確獲得測量過程的實際溫度,并采用較小的時間間隔進行冷卻校正的計算。

Ferroresonance is an over - voltages always occurs in neutral isolated distribution , and sometimes occurs in high - voltages network . aim at the 110kv network , the real network is simulated , analyzed and compared in this paper . finally , the approach of trapezium is selected as one of the best methods 鐵磁諧振過電壓是一種常見的內部過電壓,多發生在中性點不直接接地的配電網中,但是在中性點直接接地的高壓電網中,也曾經發生過這種過電壓。

In the numerical simulation , the open boundary and 1 : 1 slope on the end of the wave tank are considered with the other conditions same as the physical experiment ; the interaction between surface waves and the triangle / trapezium sandbars on the seabed is also studied 數值模擬中,除了對水槽末端為開邊界及1 : 1斜坡、其余條件與物理模型試驗相同的情形進行了研究之外,也對波浪與三角形和梯形沙壩地形的相互作用進行了研究。

The results show , the special grinding chamber made up of trapezium screen can improve grinding capability . this study has provided a basis on grinding mechanism for the further research and the improved design of hammer mill 通過對錘片式粉碎機進行粉碎理論分析和對比試驗研究,可知異型粉碎室能有效改善粉碎性能。本試驗研究的結果為進一步研究錘片式粉碎機的粉碎機理和改進設計提供了理論依據。

Ferrous metals , non - ferrous metals , ic thin sections , coatings , ply - metals ; glass , ceramics , agate , precious stones ; hardness testing such as that on the depth and the trapezium of the carbonized layers and quench hardened layers 黑色金屬、有色金屬、 ic薄片、層壓金屬、表面涂層;玻璃、陶瓷、瑪瑙、寶石等;炭化層和淬火硬化層的深度及梯度的硬度測試。

The controlling trapezia is finished by extension of former plc , applying the soft ware of hitachi plc to control the inverter correspondingly , and structure process design 經過對原系統的plc進行擴展,并應用日立plc相關軟件對變頻器進行了通訊控制,應用結構化程序設計,編制出控制梯形圖,成功地對堆垛機提升電機進行變頻調速控制。

Yield locus is analyzed when antenna is controlled under either pt mode or at mode . double trapezium velocity locus is designed for pt mode while the helix search algorithm is designed for at mode 對程序跟蹤( pt )模式和自動跟蹤( at )模式下星間鏈路天線的運動規律進行分析,設計了梯形速度軌跡和螺旋掃描運動軌跡。

The swirls of green were revealed by hubble ' s ultraviolet and visible - light detectors . they are hydrogen and sulfur gases heated by intense ultraviolet radiation from the trapezium ' s stars 那綠色的漩渦是由哈勃的紫外和可見光探測器所展示出來的。它們是被“獵戶座四邊形”發出的強烈紫外線加熱的氫和硫的氣體。

The rollers and ring are designed in inverted trapezium , which reduce the material ' s slip velocity between rollers and ring , extend grinding time , and enhance crushing efficiency 該機將磨輥與磨環設計成階梯狀,降低了進入磨輥與磨環之間物料的下滑速度,延長了對物料的碾壓時間,提高了粉碎效果。

At the heart of the artwork is a set of four monstrously massive stars , collectively called the trapezium 在藝術品的心臟地帶是四顆怪獸般的大質量恒星的集合體,統稱為獵戶座四邊形。

The truly refreshing and unique contour and trapezium design adds a modern touch to your bathroom 真正令人耳目一新的獨特輪廓和梯形設計給您的浴室增添了現代的格調。

The comparison of axial energy ' s decaying property between sine and isosceles trapezium electromagnetic wave pulse 正弦脈沖與等腰梯形脈沖傳播特性的比較