針狀軸 的英文怎麼說
中文拼音 [zhēnzhuàngzhóu]
針狀軸
英文
needle shaft-
Influenced by the alternating current field, all of the eutectic microstructure of al - 20si - 5fe - ti alloy changed into very small particles which is well - distributed on the base of a - al. electromagnetic stirring stimulates the forming of equiaxed crystal in al - 20si - 5fe - mn alloy. primary iron - phase is transformed from thick needle into smooth block
電磁攪拌促進al - 20si - 5fe - xmn合金中等軸晶的生成，初生富鐵相由原來粗厚的片狀物轉化成比較圓整的塊狀，共晶組織中鐵相主要以較短的針片狀存在。Leaves crowded near apex of the trunk, spirally arranged ; stipes dark brown, with sharp spines ; lamina large, oblong, tripinnate ; pinnae 17 - 20 pairs, alternate, longest one to 60 cm long, the basal one reduced ; rachis short - spiny ; pinnules 18 - 20 pairs, sessile or nearly so, lanceolate, to 10 cm long and 2. 5 cm wide, divided almost to the costa ; segments more or less falcate, toothed
葉螺旋狀排列，聚生於莖端；葉柄棕色，具銳刺；葉片大，長矩圓形，三回羽狀深裂；羽片17 - 20對，互生，最大的長達60厘米，基部一對縮短，羽軸有短刺；小羽片18 - 20對，無柄或近於無柄，披針形，長達10厘米，寬2 . 5厘米，深裂幾達中脈；末回裂片多少鐮狀，有齒。Widely applied for mold with multi - angle mirror polishing, electrical discharge, ball - bearing guideway surface, needle shape or roller shape bearing
廣泛用於多角度之模具鏡面拋光加工放電加工軸承鋼珠軌道面針狀或滾筒狀軸承。Rolling bearings. radial needle roller and cage assemblies. dimensions and tolerances
滾動軸承.無套環有籠狀保持架徑向滾針軸承.尺寸和公差Nowadays, the machining center carries through the precision inspection only following the fixed coordinates " axes, which can not completely reflects the real error of the spacial position of the practical machining outside the axes and leads to having no the directive relation between the inspected precision and the practical machining precision. so, this paper introduces that the error factors of influencing workpiece ' s outline on machining and carries out the solid inspection of every spot ' s error inside the workaround on the horizontal machining center
本文針對當前加工中心僅沿固定的坐標軸線進行精度（含幾何精度和定位精度）檢驗，並不完全反映軸線外實際加工的空間位置真實誤差，導致檢出精度與機床實際加工精度無直接對應關系的現狀，論述了加工時影響工件型面輪廓精度之加工中心的誤差因素，對加工中心實施其工作區內各點誤差的立體檢測。Based on the tribological principle and the theory of contact mechanics, it is feasible to adopt curvature - changing structure in the rock - bit journal bearing system. the structure and coupling relationship of curvature - changing journal bearing under the condition without friction have been analyzed and three kinds of sub - form structure configurations, namely, the pseudo - curvature - changing structure, the conformable curvature - changing structure, and the clearance curvature - changing structure, been differentiated according to the contacting features. the shape optimization and pre - running - in regulations of the contact surface of curvature - changing journal bearing under friction condition have been established. the results of rock bit journal bearing test indicate that the tribological behavior of the bearing can be effectively improved by curvature change based on both designing and pre - running - in
基於摩擦學原理和接觸力學理論，提出了可在牙輪鉆頭滑動軸承中採用變曲率結構.在不考慮摩擦的情況下，就結構設計和配合關系等問題進行了分析討論，劃分了準變曲率、吻合變曲率以及間隙變曲率等3種結構形式；針對考慮摩擦時的變曲率結構，提出了接觸形狀優化和預磨合的實施方案.鉆頭軸承試驗結果表明，無論是預設計變曲率還是預磨合變曲率，都能改善軸承摩擦副的摩擦學特性，因而值得進一步研究和推廣Based on a series of laboratory tests with undisturbed samples obtained from nansha of guangzhou, including triaxial compression test, triaxial creep test and one dimensional compression test, creep deformation characteristics of soft soils were researched
摘要針對廣州南沙原狀軟土進行了一系列室內試驗研究，包括三軸壓縮試驗、三軸蠕變試驗和一維固結試驗，系統地探討了軟土的蠕變變形特性。Comparing with the traditional tensile test instrument of textile. the new testing instrument of longitudinal tensile simulates the conduit condition of the vascular prosthesis in vivo, so it is suitable for the test of longitudinal tensile mechanic properties of vascular prosthesis
相對于傳統的紡織品的拉伸測試裝置來說，新設計的針對人造血管的軸向拉伸性能的測試裝置模擬人造血管在體內的圓柱體管道的狀態。Aiming at the shortages and demerits in the study of constitutive relationship of concrete based on elastic - plastic mechanics, damage expressions of concrete subjected to uniaxial tension - compression was deduced based on damage mechanics, and general damage evolution equation of concrete in bending state was received also
摘要針對彈塑性力學研究混凝土本構問題帶來的不足和缺陷，運用損傷力學的方法，導出混凝土在單軸拉、壓狀態下的損傷表達式，得到了混凝土在彎曲狀態下的統一的損傷演化方程。Much has been done on the study of the shear strength and deformation characters of loess. on the basis of the analysis of literatures about loess, triaxial shear tests and k - zero consolidation tests are carried out on unsaturated and undisturbed loess ( q3 ) which comes from longxi area in gansu province
本文以開發gds三軸試驗系統為背景，在廣泛總結前人有關黃土強度、變形特徵研究成果的基礎上，針對甘肅隴西原狀q _ 3黃土進行了非飽和原狀黃土三軸剪切試驗和k _ 0固結試驗。For bilateral symmetry objects, the techniques on symmetry - point detection and symmetry - axis extraction are presented based on harmonic conjugation relationship. for rotated symmetry objects, the techniques on rotated units description and rotated symmetry center extraction are presented based on center invariants of objects. further more, by using 3d invariants and 2d projective transformation, an approach to recover shape from part symmetry objects is realized on some conditions
（ 3 ）深入分析了2d對稱性目標透視成像的幾何特點，將共點四線交比用於目標輪廓上的關鍵點的特性描述中；利用調和共軛關系，提出了一種針對左右對稱型目標的對稱點檢測和對稱軸提取的演算法；利用交比關系構造了目標的形心不變量，提出了一種針對旋轉對稱型目標的旋轉對稱單元判定、旋轉中心提取的演算法；進一步利用3d不變量和2d射影變換，實現了一定條件下的對稱性目標的形狀恢復技術。In this paper, the traffic surveys and analysis of typical heavy - load road were performed firstly ; also the characteristics of traffic, load and distribution of axle load were studied. the deficiencies in the calculation method of surface equivalent modulus of foundation in present specification of cement concrete pavements design for highway were analyzed. based on the elastic multi - layer theory and principles of displacement equivalence, and a great amount of computing data, a calculation method was established
本文首先從典型重載交通道路的交通調查與分析入手，研究了重荷載交通道路的交通量、軸載分佈及荷載特徵，針對現行設計規范中關于基層頂面當量回彈模量值計算公式存在的不足，利用彈性層狀體系理論，按照彎沉等效原則，通過大量的計算分析，回歸出了精度較高、適用范圍更廣的基層頂面當量回彈模量計算公式。In this dissertation, the development survey, research actualities and application prospect of vamt are introduced at first, and the models of kinematics, dynamics and linear motor servo are analyzed then. currently the dynamics model is complex or established mechanically, which restricts the study of control theories. thus this dissertation present a simple and easy - realized control idea, namely, the fore and torque of every leg determined by the inverse - solution of mechanics are regarded as changeable load force ( disturbance ) applied in motor, the elongation of the leg or displacement of sliding is regarded as the output of linear servo system
本文首先介紹了虛擬軸機床的發展概況、研究現狀和應用前景，然後對其運動學、動力學、直線伺服系統模型進行分析，針對目前動力學模型過于復雜或完全從機構學角度建立不便於控制的問題，提出了簡單、易於實現的控制思想，即將虛擬軸機床的動力學方程反解所確定的各桿受力（矩）視為電機的可變負載力，以桿長伸縮量或滑塊位移為伺服系統輸出，從此構成位置閉壞，實現軌跡跟蹤控制。The network carbide and acicular martensites that existed in the microstructure of the root grooves of the spline due to improper carburating and quenching process of the shafts, led to the initiation and propagation of the intergranular microcracks and were the main reason that caused the early fracture of the shafts
由於滲碳淬火工藝不當，在二軸花鍵槽根部的組織中產生了網狀破化物和粗大的針狀馬氏體，在外力作用下形成沿晶顯微裂紋並擴展，是導致二軸疲勞斷裂的主要原因。Prof. horii has invented three new types of spiral flow generators. they are applied in area of engineering practice. in this paper, we depicted the actuality and background of this type of spiral flow, illustrated the important significance of its applications in engineering and basic theory
日本horii教授發明的三種自發生成螺旋流的裝置引起人們研究的興趣，本文敘述了國際上對此類螺旋流研究的現狀和背景，闡明了螺旋流研究在工業應用上和基礎理論上的重要意義，針對「環狀軸對稱開口徑向進流」旋流發生裝置進行了實驗研究。The three major types of machining error are geometric, thermal and cutting - force induced error. at the present time, error compensation model usually aims at single type of error and is used for the specific machine tool. this paper develops a universal synthetical model of error compensation for three - axis numerical control ( nc ) machine tool, which can be updated on time when manufacturing surroundings is changed
論文廣泛研究了機床誤差補償技術目前的發展狀況，針對目前誤差補償系統存在的不足（諸如大多為單項誤差補償、通用性較差，模型多為靜態等） ，提出了機床綜合誤差的補償策略，以三軸數控機床為例建立了綜合誤差補償系摘要統，系統的誤差模型可實時更新，該補償系統可直接移植到多軸加工系統中。First, this paper analyses the present situation of weinan region ' s tourism space development ; and then, uses the theory of " point - axis " spatial system to analyze the developing course and developing tendency of weinan tourism space. at last, on the base of the study conclusion, the author sets forth the developing conception of weinan sustainable tourism space. meantime, the supporting system is discussed
首先，文章深入分析渭南區域旅遊空間的發展現狀；然後，運用「點?軸」空間系統結構理論對渭南區域旅遊空間的發展過程與發展趨勢進行動態分析；最後，根據分析研究的結果，針對渭南區域旅遊空間的現實狀況和發展需求，闡述了筆者基於渭南區域旅遊可持續空間的發展思路，提出區域旅遊可持續空間建構的具體措施，同時，討論了區域旅遊可持續空間發展支持體系的建立。Based on the modal analysis data of the displacement of the spatial grid structure getting by the structural finite element analysis software ansys, the modal analysis technology of the axial member straining rate is used to identify the damage of the spatial grid steel structure in different damaged conditions and is found to be able to accurately position the damaged places of the spatial grid member
文中通過結構有限元分析軟體ansys得到網架結構位移模態分析數據，採用桿件軸向應變變化率的模態分析技術針對不同損傷狀況的鋼結構網架進行損傷識別，能夠較為準確地診斷出網架桿件的損傷位置。Its austenite has two types of morphologies : one type is the austenite which is existing between the acicular ferrite and has approximately equiaxial block shape ; another type is the austenite which is existing inside the acicular ferrite and has thin slice shape
其奧氏體有兩種形態：一種是存在於針狀鐵素體之間的近似於等軸形的塊狀奧氏體；一種是存在於針狀鐵素體之內的薄片形奧氏體。As the axial flow threshing and separating equipment were used more and more widespread and the theory of threshing was not researched deeply, the axial flow threshing and separating installation with helical blade plate were triturated according to the same kind of technique experience
摘要針對軸流脫粒機在實際生產中的廣泛應用和人們對于脫粒機理的研究還不深入的現狀，結合國內外同類技術研究經驗，研製了螺旋葉片帶板齒式軸流脫粒與分離裝置試驗臺。分享友人