純剛體 的英文怎麼說

中文拼音 [chúngāng]
純剛體 英文
purely rigid body
  • : 形容詞1 (純凈; 不含雜質) pure; unmixed 2 (純粹; 單純) simple; pure and simple 3 (純熟) skil...
  • : 體構詞成分。
  1. Study on the synthesis of corundum - mullite - gahnite multiphase materials by one - step sintering process using high purity raw materials showed that the more the content of gahnite in multiphase materials, the high the volume expansion would be introduced in the system, which resulted in the sintering difficulty of the multiphase materials. while the content of gahnite was controlled about 30wt % and the content of mullite was about 70wt %, the densified multiphase materials can be obtained after fired at 1600 or 1700

    採用高原料一步合成玉?莫來石?鋅鋁尖晶石復相材料研究表明:復相材料中鋅鋁尖晶石含量越高,則合成鋅鋁尖晶石時產生的積膨脹越大,燒結性也就越差;當鋅鋁尖晶石含量為30wt ,莫來石含量較高為70wt左右時,在1600或1700燒后都能得到顯微結構較為緻密的復相材料。
  2. The study in the paper starts with beam distortions, and it treats the plastic deformation area as pure bending sect, rest of the beam as rigid bodies. according to different shapes of the external tendons, it divides into three structural forms familiar in projects, that is the beams with no deviator, with a deviator and with two deviators, and studies the relation between the deformation of the external prestressing tendons and that of the beams, and derives the formulas of the ultimate stress increment of external tendons. in the formulas, the ultimate angle corresponding to half of the plastic deformation area is considered as a variable parameter

    本文首先從梁極限狀態下的變形入手,將塑性鉸區看作彎段,將塑性鉸以外的區域看作,按照外預應力筋的形狀不同,分工程中最常見的三種外結構形式,即無轉向塊的直線型外筋混凝土梁、具有一個轉向塊的單折線型梁和具有兩個轉向塊的雙折線型梁,研究外預應力筋變形和梁的變形間的關系,推導出以極限狀態下塑性鉸區之半對應的轉角為參數的計算外預應力混凝土簡支梁以及連續梁的外筋應力增量計算公式,並進一步求得梁的極限承載力。
  3. To enhance floor rigidity, not means to increase floor thickness. with all the building shape and location of anti - shear member known, shear error can not be limited within 8 % compared floor rigid assumption to elastic assumption

    在建築形及抗側力構件的布置均已確定的前提下,單靠增大樓板的厚度並不能把按彈性計算的剪力誤差值控制在8以內。
  4. Henan zhecheng jingxin diamond abrasive co., ltd. supply mbd metal bond diamond grade synthetic diamond powder is the higher grade synthetic diamond, this grade diamond powder feasures better diamond crystalline shape and stronger mechanical retention, it used for better quality synthetic diamond grinding tools, mbd synthetic diamond also can meets the customer ' s demand on precision tooling and electroplated diamond applications. size : : 30 / 40, 40 / 50, 50 / 60, 60 / 70, 70 / 80, 80 / 100, 100 / 120, 120 / 140, 140 / 170, 170 / 200, 200 / 230, 230 / 270, 270 / 325, 325 / 400, 400 / 500

    河南柘城晶鑫超硬磨料製品有限公司供應晶形狀為規則、完整的六-八面凈度高,有很高的強度、韌性和很好的熱穩定性,抗沖擊能力強適用於製造鋸切硬質石材的工具,如:繩鋸、帶鋸、組鋸、大鋸片等,也適用於各種混凝土、地質鉆、工程鉆以及各種金石修整工具。
  5. Henan zhecheng jingxin diamond abrasive co., ltd. supply mbd metal bond diamond grade synthetic diamond powder is the higher grade synthetic diamond, this grade diamond powder feasures better diamond crystalline shape and stronger mechanical retention, it used for better quality synthetic diamond grinding tools, mbd synthetic diamond also can meets the customer ' s demand on precision tooling and electroplated diamond applications

    形狀為規則、完整的六-八面凈度高,有很高的強度、韌性和很好的熱穩定性,抗沖擊能力強適用於製造鋸切硬質石材的工具,如:繩鋸、帶鋸、組鋸、大鋸片等,也適用於各種混凝土、地質鉆、工程鉆以及各種金石修整工具。
  6. The properties of cavity sandwith panel infill steel frame, such as hysteresis characteristics, stiffness, ducfility, failure models and characteristic of dissipation of energgy were gained in the test and compared with ordinary steel frame. the properties of cavity sandwith panel infill is abtained as well. 2

    通過試驗得出了空腔砌塊復合墻鋼框架在低周往復荷載作用下的p -滯回性能、度關系、延性系數、破壞形式及耗能性能等特性,並與相同尺寸的一榀框架的相關特性作了對比分析。
  7. Monitoring insulin in procedure of production and purification, determining insulin content from bio - tissue fluid and single islets of langerhans, and studying insulin molecular structure are all dependent on chromatographic analysis

    胰島素制劑的度檢驗,胰島素生產及化過程的監控,生物液及胰島細胞分泌胰島素的狀況,重組胰島素結構的定及活性研究等都離不開胰島素的測定。
  8. Characterizing and analyzing the dynamic properties of the humanoid - robot is one of the key problems in the research field of robot. but at present, the existing mo - deling methods of the humanoid - robot dynamics are based on the theory of traditional multi - rigid - body dynamics, and usually simplifying the system as framework with multi - rigidity poles and simplex joints. for this reason, the walking dynamic perform - ance of the humanoid - robot is pictured only approximately by these methods

    精確地描述和分析系統動力學特性一直是仿人機器人研究方向需要解決的關鍵課題之一,而至今為止,針對此系統的已有建模理論和方法一般是以其結構性桿件簡化,以及將桿件以單鉸鏈聯結成「骨架」為前提,建立在傳統多動力學理論基礎上,這些研究成果由於結構的簡化和多理論的局限,只能近似地反映仿人機器人系統的步行動力學特性。
  9. It is shown that a system of linear equations is resolved to obtain the rotational parameters by using of seven couple of conic curves in image sequences when the motion of a rigid object is pure rotational. when the motion of a rigid object is pure translation, a system of non - linear equations is resolved using iterative method, or using the method for resolving quartic equation. the translation parameters with a scale factor may be determined and the translation direction can be obtained

    研究結果表明,在旋轉運動分析中,最少利用圖像序列中7條對應二次曲線,可以線性地求解旋轉運動參數;在平移運動分析中,只需利用圖像序列中1條對應二次曲線就可以求解相對平移運動參數(即平移方向) ,分別用非線性迭代法和一元四次方程解法求解了相對平移運動參數(即平移方向) 。
  10. The motion models and the corresponding motion equations for pure rotation and pure translation are established respectively. several algorithms are proposed for calculating the pure rotational motion parameters and the pure translation motion ones using correspondence of conic curves respectively

    建立了旋轉運動和平移運動模型及其相應的運動方程,提出了計算旋轉運動和平移運動參數的相應演算法。
  11. Based on the model of perspective projection where the camera is fixed whereas the object is motive, the problem of recovering the three - dimensional motion and structure of a rigid object from image sequences by using of correspondence of conic curves is researched

    本文基於視點固定而物運動的透視投影模型,研究了使用二次曲線對應從序列圖像恢復三維運動和結構參數的問題。分別研究了旋轉運動和平移運動時,運動參數的求解問題。
  12. In this paper, starting from the definition of kinetic energy, and by establishing the inertial frame and the reference frame, we have a discussion of the kinetic energy of rigid body and get some conclusions on kinetic energy of rigid body simply in rotation

    在建立慣性坐標系和運動坐標系的基礎上,以動能的定義式為出發點,對的動能進行剖析,並討論了滾動情況下的動能,得到了相關的結論。
  13. Under the horizontal earthquake action and wind force, aim at " the pure frame structure with rectangle columns ", " the pure frame structure with special - shaped columns ", " the frame - truss structure with special - shaped columns " and " frame - shear wall structure with special - shaped columns ", earthquake action analysis was done by the spacial finite element method through the changes structural parameter. analyzing systematically " structure vibration mode ", " vibration period ", " structure lateral rigidity ", " seismic action force ", " seismic response force ", " floor seismic shear force ", " lateral horizontal displacement of structure " and " members internal force ". results indicate : ( 1 ) based on equal area, the special - shaped columns replaced the rectangle columns, the structural lateral rigidity enlarges, the lateral displacement minishes obviously, the earthquake response increase slightly, the biggest increasing amount of frame columns axis - compress ratio is smaller than 0. 08. the whole aseismic performance of structure has improved ; ( 2 ) when the section ' s length and section ' s thickness ratio of special - shaped columns is smaller than 3. 6, the structure benefits to resist seismic action ; ( 3 ) the angle of horizontal seismic action with the whole coordinate is 0 degree, structure earthquake response is bigger, belonging to a control factor of structure aseismic design ; ( 4 ) the frame - truss structure with special - shaped columns and the " a " - brace has the biggest lateral rigidity ; ( 5 ) the frame - shear wall structure with special - shaped columns have bigger lateral rigidity and smaller displacement, members internal force enlarged just rightly, have much superiority of resisting seismic action ; ( 6 ) in the higher seismic fortification criterion region ( 8 degree of seismic fortification intensity ), aseismic disadvantageous building site ( iii type site ), adopting special - shaped columns structure system, should reduce possibly the building ' s self - weight in order to reduce the earthquake response ; ( 7 ) the response spectrum method of computing seismic response and the time - history analysis method have similar analysis result

    西安理工大學碩士學位論文在水平地震作用下,並考慮風荷載組合,分別對「矩形柱框架結構」 、 「異型柱框架結構」 、 「異型柱框一析架結構」及「異型柱框-剪結構」等四種結構系,通過改變結構參數,運用空間有限元方法,進行地震作用計算。系統地分析研究「結構振型」 、 「振動周期」 、 「結構側向度」 、 「結構地震反應力」 、 「樓層地震剪力」 、 「結構側向位移」 、 「層間位移角」 ,以及「構件內力」 。結果表明:在等面積原則下,異型柱代換矩形柱后,結構度增大,側向位移明顯減小,地震反應力略有增加,框架柱軸壓比最大增幅小於8 % ,結構整抗震性能有所提高;當異型柱肢長肢厚比小於等於3 . 6時,結構有利於抗震;水平地震作用力與整坐標夾角為0度時,結構地震作用效應較大,屬結構設計的控制因素之一;異型柱框一析架結構採用「人」字斜撐,側向度大於「八」字斜撐和「人一八」字混合斜撐;異型柱框一剪結構側向度大、位移小,構件內力增大適中,是一種抗震性能優越的結構系:在抗震設防烈度較高地區( 8度)和抗震不利的建築場地( m類場地) ,採用異型柱結構系時,應盡可能減輕結構自重,降低地震作用力;分別採用「振型分解反應譜」法和「時程分析」法進行地震作用計算,兩種方法所得結果基本一致。
  14. The conclusions are list as follows : ( 1 ) the mechanical properties of different parts of the bridge are as follows : arch is under the combined action of compression and bend ; open spandrel beam is under the combined action of tension and bend ; close spandrel beam is under the combined action of compression ( or tension ) and bend, but the axis force is small

    本文得出的結論如下: ( 1 )空腹式架拱橋的受力兼具梁和拱的特點。結構各部位的受力特性如下:斜腿為壓彎作用;空腹段梁為拉彎作用;中跨實腹段梁為壓彎作用或拉彎作用,但軸向力較小,受力更接近彎構件。
  15. The beijing richina underwater world is an underwater, underground aquarium. the constructors adopted rc rigid waterproofing in combination with felt waterproofing for its enclosing structure and concrete single rigid self - waterproofing for its internal structure, took a series of measures to ensure the integrity and density of concrete and strengthened vulnerable spots, obtaining satisfactory result of construction

    北京富國海底世界為水下、地下水族館,外圍結構採用混凝土性防水和卷材防水相結合,內部結構採用混凝土性自防水,並採取一系列措施保證混凝土的整性、密實度和對薄弱環節進行特殊加強處理,取得了滿意的施工效果。
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