軸動支點 的英文怎麼說
中文拼音 [zhóudòngzhīdiǎn]
軸動支點
英文
rolling fulcrum-
In view of bearing capacity of the elastoplastic theory analysis, the author made a comparison between the achieved bearing capacity limit load pi / 4 of round base ( space problem ) and the limit load pi / 4 of bar groundwork foundation design ( plane problem ) from soil mechanics at home and abroad as well as foundation criterion, and explained why the value of formula in present design criterion from soil mechanics is inclined to be conservative. in the light of the author ' s many years experience of vibration test on the spot and the research work of relevant projects, the author worked over the dynamic pile testing of the bearing capacity of foundation and batholith, and gathered the parameter of dynamic analysis and testing. the author also talked over the difficult point of pile foundation design criteria in present batholith engineering world, i. e. the confirmation of batholith bearing capacity of pile end, from the following aspects : a ) confirmation of single axis counter - pressure strength of rock in house ; b ) f. e. m calculation of elastoplastic model ; c ) calculation of soil mechanics ; d ) deep well load test
然後，對巖土工程領域至今尚未解決，甚至不為人注意的考慮地基變形的地基承載力問題進行了實用化的探討，提出了考慮地基變形的地基承載力上程計算方法；對基於彈塑性理論分析的地基承載力國內尚未見報道的空間問題得到了圓形基礎（空間問題）的承載力界限荷載p _ （ 1 / 4 ） ，並與國內外土力學專著及地基基礎設計規范中的條形基礎（平面問題）的界限荷載p _ （ 1 / 4 ） ，進行了對比，從而定量上解釋了目前設計規范引用土力學承載力公式值偏於保守的這一情況；根據本文作者多年從事現場地基工程振動試驗及相關課題的研究工作，本文以截頭錐模型模擬地基，對地基（巖基）承載力的動測法進行了研究，為各類地基（包括巖基） ，匯總了動力分析和檢測川的參數：針對日前巖土工程界應用樁基設計規范中的難點? ?樁端巖基承載力的確定問題，從巖石室內單軸抗壓強度確定、基於彈塑性模型的有限單元法計算、土力學計算及深斤載荷試驗四方面進行了深入討論；本文作者根據多年現場載荷試驗的工程實踐，對深井荷試驗裝置的核心部分? ?反力裝置，設計了側壁支撐反力加載系統，該加載系統具有實用、簡便、穩定及安個等優點。The magnetic suspension bearingless motors generate both electromagnetic torque and magnetic levitation forces for the rotor suspension by the motor itself. the bearingless motor is comparatively suited for using as artificial heart blood pump motor due to the advantages of without mechanical wear and noise, structure compact and contactless
磁懸浮無軸承電機定、轉子既用於產生驅動力矩，同時又用於產生支撐轉子的磁懸浮力，具有無機械磨損、噪音小、可高轉速和體積小等特點，比較適用於人工心臟血泵電機。( 2 ) common integument tissue venous vessel network can be divided into five layers from superficial layer to deep layer : cutaneous papillary layer, hypopapillary layer, hypodermis layer, subdermal layer and deep fascia layer. the artery branch and arteriole that shallowed up from hypopapillar layer get to papillar layer to form vessel network, circuitous and twisted, reflux and anastomose to become postcapillary micro veins and endothelial venule, then anastomose each other and accompanied with artery to enter hypo
小靜脈伴行動脈進入皮下組織層、深筋膜層，並與皮下組織層和深筋膜層動脈分支的伴行靜脈匯合，分別形成皮下組織層、深筋膜層靜脈網，進而匯入軸心動脈的伴行靜脈。而真皮下血管網中與動脈不伴行的微靜脈匯合成為小靜脈，並逐漸聚集增粗，匯合加入淺非伴行靜脈屬支或即為屬支的起點。Features : hardened and precision - ground bedways, the spindle is supported with precision taper roller bearings, gears in the headstock are made of high - quality steel, hardened and ground, speed - changing levers driven by fan - shaped gears, operating easily, safe interlock and a overload safety devices in apron, electromagnetic braking, cooling and lighting devices are supplied
特點：床身導軌表面經淬火和精密磨削，主軸支撐採用精密圓錐滾子軸承，主軸箱內齒輪採用優質鋼並經表面淬火和磨削，變速機構採用扇型齒輪傳動，操作靈活方便，溜板箱設有安全互鎖裝置和過載保險機構，配有電磁剎車、冷卻及照明裝置。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。Objectives : the purposes of the present study are as follows : ( 1 ) anatomical study inclulding observation and measurement on arterial, especially venous system of flap was performed to attempt to illuminate the regular patterns of the distribution of the arteries, veins and their branches in the axial vascular skin flap. ( 2 ) fathoming the origination, distribution, drainage scope and communicating path of deep and superficial veins or accompanied and unaccompanied veins. ( 3 ) elucidating the positions, shape and functions of venous valves in deep and superficial venous stem and its communicating branches, observing their affects on the venous blood circulation
目的本課題的研究目的包括以下6項內容： （ 1 ）對皮瓣的動、靜脈系統，特別是靜脈系統進行解剖學研究，探索皮瓣內軸心動、靜脈走行及分支分佈規律； （ 2 ）闡明皮瓣內深、淺靜脈系或伴行靜脈與非伴行靜脈的起始、走行、引流范圍及交通途徑； （ 3 ）觀測皮瓣深、淺靜脈干及其交通支內靜脈瓣部位、形態、功能及對靜脈間血液流通的影響； （ 4 ）明確皮瓣的動、靜脈伴行特點與靜脈迴流規律； （ 5 ）確定皮瓣靜脈迴流的主渠道； （ 6 ）為皮瓣游離移植吻合靜脈的選擇，提供解剖學依據，並對跨區供血皮瓣靜脈迴流與交通、非生理性皮瓣的血液循環進行探索。Aimed at the rotor bearing system of 300 mw steam turbogenerator set and on the basis of establishing its concentrated general model with 8 supportings and 9 nodes, a study was carried out on the bending vibration response of the most left end surface of shafting and of the right end face of generator
摘要針對300mw汽輪機組轉子軸承系統，在建立其8支承9節點集總模型的基礎上，對軸系最左端面和發電機右端面的彎曲振動響應進行研究。Applying magnetic suspension technique to the supports of hdd ( hard disk drive ), it have a lot of advantages in comparison with other bearing types, for example, contact free, absence of mechanical friction and wear etc. in design of hdd suspended by amb, it is one, of difficulty and emphases that active control for rotor according as the signal of displacement
將磁懸浮軸承應用於硬盤的支承，完全消除軸承與硬盤轉子的機械接觸，使硬盤具有其它軸承支承的硬盤無法企及的特點。在磁懸浮硬盤設計中，傳感器檢測的轉子位移信號是控制器對軸承進行主動控制的依據，是整個系統研究的重點和難點之一。The thesis analyze a on - the - spot test model combining a projiect. utilizing the non - linear finite element theory in the article, form - finding has been took apart with node balanced laws and propping up move law. under the loads every calbe unit strength of axle and node displacement ' s variation tendencies are computed
論文還結合工程實踐對一現場試驗模型進行了分析。文中利用非線性有限元理論，按節點平衡法與支座移動法進行找形分析。計算了外荷載作用下各索單元軸力及節點位移的變化趨勢。Possessed more light mass, much less inertia, small size in axes direction, big size in radial direction, higher angular rigidity, frequently been of use in shafting of big radius
鋼絲滾道球軸承具有重量輕，轉動慣量低，軸向尺寸小，徑向尺寸大，支撐剛度高等特點，常用於支撐大口徑中空軸系。Active magnetic bearing ( amb ) is one of typical electronic & mechanical products and a new type of high performance bearing piece. it has the properties of no friction, no fray, dispense with lubricate, lasting life, all extrude excellence above which ca n ' t be seen in traditional roll bearing and sliding bearing
主動磁軸承是典型的機電一體化產品，是一種新型的高性能支承部件，其具有無摩擦、無磨損、無需潤滑以及壽命長等一系列傳統的滾動軸承和滑動軸承所無法比擬的突出優點。分享友人