立方軸 的英文怎麼說
中文拼音 [lìfāngzhóu]
立方軸
英文
cubic axis- 立 : 動1 (站) stand; remain in an erect position 2 (使豎立; 使物件的上端向上) erect; stand; set up...
- 方 : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
- 軸 : 軸Ⅰ名詞1. (圓柱形的零件) axle; shaft 2. (對稱部分的直線) axis 3. (圓柱形的纏繞器物) roller; spool Ⅱ量詞(用於纏在軸上的線以及裝裱帶軸子的字畫)
- 立方 : 1. [數學] cube 2. [簡] (立方體) cube3. (立方米) cubic metre; stere
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Based on the three new supposition and the tow new mechanical tools : moment vector and radius vector, the warping theory introduced the analytical method of the rotation of a cross section around a fixed axis, so as to make the space stability of the thin - walled member complanate and one - dimensioned
翹曲理論以三條新的假定和新建立的彎矩矢量和轉角向徑兩大力學工具為基礎,提出了繞定軸轉動的分析方法,使薄壁構件的空間變形平面化、一維化。Effective approaches of forming & refining cc is also presented correspondency. this paper, taking xibei group as an object of study, discusses cc in detail using the method of quantitative & qualitative analysis, theory & practice analysis, enriches the theory related cc, establishes a set feasible indicator system of cc evaluation, presents some effective approaches to form & improve cc. the research conducts in this paper is also useful for other enterprises
本文運用比較分析、系統分析、定性與定量分析、理論與實踐分析等方法,以西軸集團為研究對象,對核心競爭力做了深入研究,豐富了有關企業核心競爭力的理論;建立了一套可操作性強的評價指標體系,一定程度上彌補了核心競爭力知識在此方面的不足,為核心競爭力的量化做了有益探索;提供了一些有效的培育和提升的途徑和方法,對那些可望塑造核心競爭力的企業具有參考價值。The time - scale amplitude plot and phase plot based on hermitian wavelet transform are presented to singularity detection of signal. the corresponding relation relation between singularity and amplitude plot or phase plot is created. as successful application, fault of axletree damnify is found by means of this method
提出了基於hermitian小波變換的時間?尺度幅圖和相圖來識別信號奇異性的方法,建立了信號奇異點與幅圖和相圖的對應關系,在軸承損傷故障診斷中取得了成功的應用。The obtained homographs can be employed to distinguish between surfaces with different characteristics, and to classify the surfaces of a planar object. regions in a line drawing and surfaces of an object are matched based on homographs
最後,提出了一種新的以面作為匹配基元從單幅軸測投影線圖和單幅透視投影線圖識別平面立體的方法。Moke and fmr studies were performed on epitaxial single crystalline fe ph. d thesis ; investigations of magnetic properties on magnetic thin, ultrathin and patterned films ultathin films on iii - v semiconductor inas substrate with thickness of 8 - 25monolayer ( ml ). the major findings are listed below : ( 1 ) the in - plane magnetic crystalline anisotropy of film with 8 - 25 ml thick are four - fold anisotropy, and the in - plane unixial anisotropy of fe / inas films decreses faster with thickness than that in fe / gaas films. it could be explained that the stain relaxation of fe / inas films is also faster than that in fe / gaas films as indicated by leed
對于外延生長在inas襯底上、厚度為8 - 25ml的超薄fe單晶膜進行了鐵磁共振和磁光研究,獲得以下幾點結果: ( 1 )膜厚在8 - 25ml之間時,薄膜面內的磁晶各向異性為四度對稱各向異性,垂直單軸各向異性比同厚度的fe gaas系統小許多,而立方各向異性則比fe gaas系統更接近bcc結構的fe 。Moke and fmr studies were performed on single crystalline fe ultathin films epitaxially grown on iii - v semiconductor gaas substrate with thickness 4. 1 - 33 monolayer ( ml ). a theoretical mode for fitting fmr experimental data was established. the results demonstrated the structures and reproduced the evolution of the magnetic properties of ultrathin films with various thickness from the state of superparamagnetic nano - cluster through coexistence of two magnetic phases to continuous film, especially the change of magnetic crystalline anisotropy from unixial to cubic
1 - 33原子層厚度( monolayer ,簡稱ml )的fe單晶超薄膜進行了鐵磁共振( fmr )和磁光研究,建立了理論模型對鐵磁共振實驗結果進行了模擬,重現了不同厚度的超薄膜,從納米團簇到兩相共存的過度階段直至連續薄膜結構與磁性的變化,特別是磁各向異性從單軸各向異性向立方各向異性轉變的演化過程。Then, the navier - stokes equations for 2 - d axisymmetric compressible turbulent flow were constructed and phoenics was used to simulate the 2 - d axisymmetric compressible turbulent flowfield of rocket jet
其次,建立了二維軸對稱可壓縮湍流流動的平均navier - stokes方程,並利用phoenics軟體對二維軸對稱火箭噴流進行了數值模擬。Firstly, a set of formula is developed for uniplanar x - and multiplanar xx - joints loaded with axial forces, in - plane bending moments and out - of - plane bending moments respectively. in china, it is the first time to develope a set of formula for full - width joints considering the membrane effect
在總結國內外研究成果的基礎上,本文對方管平面x型和空間xx型相貫節點在軸力、平面內彎矩和平面外彎矩等荷載工況作用下的靜力工作性能建立了一種更合理的理論簡化模型研究方法。The best scheme was chosen after analysis and comparing and the structure was designed. at same time, the kinematics analysis was conducted, coordinate transformation matrix using d - h method was set up, and the kinematics equation direct solution and inverse solution was deduced, the velocity jacobian matrix was constructed using vector product method, and the values of displacement and velocity of some special point including the wrist point were calculated. secondly, the working space of the robot was analyzed and the axes section of practical working space was drawn
首先,作者針對機器人的設計要求提出了多個方案,對其進行分析比較,選擇其中最優的方案進行了結構設計;同時進行了運動學分析,用d - h方法建立了坐標變換矩陣,推算了運動方程的正、逆解;用矢量積法推導了速度雅可比矩陣,並計算了包括腕點在內的一些點的位移和速度;然後藉助坐標變換矩陣進行工作空間分析,作出了實際工作空間的軸剖面。The paper was based on load - bearing properties of elementary aerostatic bearing, predigested support and spindle structure of multi - support aerostatic motorized spindle, established finite - element analysis model, analyzed all kinds of structureal designs of shafting refer to ansys software, analyzed and compared load - bearing characteristics
摘要基於單元氣體靜壓軸承的承載性能,簡化多支承氣體靜壓電主軸的支承和主軸結構,建立了有限元分析模型,藉助ansys軟體分析軸系的各種結構方案,並進行承載特性分析對比。At the same time, the temperature fields of the radial - thrust floating ring hybrid bearing which includes the lubricant inertia item is discussed, the associated equations and the boundary conditions of temperature are given
同時,本文對計入慣性項下徑推聯合浮環軸承的溫度場問題進行了理論研究,首次導出了該種情況下的聯立方程組和邊界條件。This thesis was divided into eight chapters, and the main results and innovations obtained here can be summarized as follows : ( 1 ) the physics model of tsrs in frequency conversion crystals has been built up firstly. based on quantum - mechanical viewpoints and the following physical processes and parameters : the two - photo interaction of light with matter, paraxial diffraction of stokes, langevin noise sources, reflection at the faces and the edges of crystals, gain coefficient, beam aperture, pulse width and fluence of 3, the physics model of tsrs in kdp and kdp crystals acting as high - fluence frequency convector and the paraxial operator maxwell - bloch - langevin equations have been built up
全文共分八章,取得的主要成果及創新點如下: ( 1 )首次建立了諧波轉換晶體的tsrs物理模型本文根據量子力學原理,在考慮如下物理過程和參量的基礎上:光與物質的雙光子相互作用; stokes光的傍軸衍射; langevin (郎茲萬)噪聲源;晶體表面反射和端面反射;增益系數、光束口徑、脈寬和三倍頻光能量密度,推導出高通量激光在kdp和kd ~ * p諧波轉換晶體中的tsrs物理模型和空間上的近軸算符maxwell - bloch - langevin方程組。Based on researching the shaft bearing replacer, this paper built the models of electromagnetic field and vortex density in bearing race snap being induction heating
摘要在研究軸承內環感應拆裝的基礎上,建立了感應加熱過程中工件內電磁場和渦流分佈的基本方程。Aimed at the acoustic signals from heavy sizing - press and rolling bearing rig, a preprocessing of autocorrelation for independent component analysis ( ica ) is proposed
摘要以大型軋鋼機和滾動軸承試驗臺為研究對象,應用獨立分量方法來分離機器的聲音信號,並提取其狀態特徵。This subject is to combine the steel fiber reinforced concrete with the lightweight aggregate concrete to form a steel fiber reinforced lightweight aggregate ( haydite ) concrete, which owns the advantages of high toughness of steel fiber reinforced concrete and the light weight of lightweight aggregate concrete. in order to get the main character and mechanical property parameter of strength and deformation of steel fiber reinforced lightweight aggregate concrete, we do the experiments of cubic compressive strength, splitting - tensile strength, bending strength, elastic modulus and axial compressive strength and summarize the influence laws to the relation of mechanical performance of steel fiber reinforced lightweight aggregate and the quantity of steel fiber
鋼纖維輕骨料混凝土兼有鋼纖維混凝土的韌性高和輕骨料混凝土質量輕的優點,為了掌握這種新型材料的主要特徵和強度、變形等力學性能,本文進行了鋼纖維輕骨料混凝土的立方體抗壓強度、軸心抗壓強度、劈裂抗拉強度、抗折強度和彈性模量等試驗研究,總結出鋼纖維摻量對鋼纖維輕骨料混凝土的力學性能的影響規律。And pbo single crystal nanowire was successfully prepared with new method. the results show that the amorphous matrix of the powders almost completely transforms into crystalline perovskite phase after 600 calcinations. the mean grain size in pt / tb powder is about 23nm that is smaller than that of pt powders
鈣鈦礦相的晶軸比c / a比未摻tb的pt粉末低,具有贗立方結構的特性,降低了從立方相向這種四方相轉化的勢壘,從而有效地抑制了較高溫下焦綠石相的產生。Load sensitivity matrix and elevation sensitivity matrix were educed. the equation can solve bearing load sensitivity and elevation sensitivity in multi - support rotor - bearing system by generalizing. the results of utilizing these equations to analyze bearing loads agree with known performances
討論了軸承負荷敏感度計算方法和標高敏感度計算方法,建立了軸承負荷敏感度矩陣和標高敏感度矩陣,該方程可推廣到求解多支承轉子?軸承系統的軸承負荷敏感度和標高敏感度,利用該負荷敏感度矩陣和標高敏感度矩陣對軸承負荷分析所得的結論與實際情況一致。In terms of the weighted residual method to the springback anti - coupled equations, the springback potential energy principle and springback complementary energy principle of axisymmetric problems are established
應用加權餘量法于該回彈反耦聯方程,建立了軸對稱問題的回彈勢能原理和回彈餘能原理。In order to get the main character and mechanical property parameter of strength and deformation of steel fiber reinforced lightweight aggregate concrete, we do the experiments of cubic compressive strength, splitting tensile strength, bending strength, elastic modulus and axial compressive strength, and summarize the rule of the mechanical property, gain some significative conclusions, which have great significations for its popularization and application in practical engineering
為了掌握這種新型材料的主要特徵和強度、變形等力學性能,本文進行了鋼纖維輕骨料混凝土的立方體抗壓強度、軸心抗壓強度、劈裂抗拉強度、抗折強度和彈性模量等試驗研究,並總結出力學性能的規律,得到有意義的結論,對今後在工程中的推廣應用有重要意義。Then we apply the method of incompatible fem and hybrid stress fem into axisymmetric problems of transversely isotropic material. with the penalty equilibrium optimization method, we find a new hybrid stress element special for axisymmetric problems of transversely isotropic material. after several numerical examples, the conclusion is made that the hybrid stress finite element with penalty equilibrium has the best capability among all these elements
本文結合電彈耦合問題的應力雜交元優化條件,第一次提出了電彈耦合問題的軸對稱雜交應力元方法,建立了軸對稱電彈耦合雜交應力單元列式,得到了一個全新的四節點軸對稱電彈耦合雜交應力單元,通過算例可見其實用性和合理性。分享友人