有環心軸 的英文怎麼說
中文拼音 [yǒuhuánxīnzhóu]
有環心軸
英文
spindle with collar-
Metallophalocyanines ( mpcs ) are a kind of centrosymmetric planar organo - metallic molecules with an extensively delocalized two dimensional conjugated - electron system which show a relatively large third order optical nonlmearity, varying upon central metal atom substitution and other factors. other interesting properties of this molecule and many of its derivative products are their versatility, architectural flexibility and high environmental stability, which are very important requirements to implement photo - electronic applications
因其骨架結構特徵和可通過選擇中心離子、軸向配體和在酞菁環上引入功能性取代基等方法進行分子篩選與組裝得到具有特殊的物理化學性質和光、電、催化等功能的材料，而引起化學家和材料學家的濃厚興趣。In order to solve need badly three - ring type gear reducer ( problems of high vibration, high temperature and short spin arm bearing life in operation, by means of power separation flow, elastic ring equilibrating load, tardy down and assimilation vibration of synchronous belt transmission, and mechanism balance principle, the author designs a new type three - ring type gear reducer with arc tooth synchronous belt transmission, the gear reducer is fully balancing, equilibrating load and reducing vibration and phase difference 180 ( of mass eccentricity
為解決一般三環減速器振動大、溫升高和轉臂軸承使用壽命短等生產中迫切需要解決的問題，依據功率分流、彈性環均載、同步帶緩沖及吸振和機構平衡原理，設計出了一種具有圓弧齒同步帶傳動的完全平衡、均載減振，偏心相位差為180的新型三環減速器。The author believes that government should establish regional economic development strategy from the angle of the whole country and build the regional economic relationship with internal and external circle. the establishment of regional strategy should be guided by the view of market. the government should forcefully propel the establish of central and western regions " factors markets, nature the central region of economic development, enhance the reform strength in central and western regions, deepen the open to the outside, build the growth foundations recycling around the hi gh technology, develop the rural and town enterprises, propel the economic connection and cooperation between the central and western region, and prompt the fundamental transform of the economic system and the way of economic growth in the central and western region
作者認為，應從全國角度科學地制定分區域的經濟發展戰略，合情合理地確定一個區域的發展方向，建立內循環與外循環相結合的區域經濟關系，區域戰略的制定始終貫徹市場的觀念，政府要積極推動中西部要素市場的建立，有計劃、有重點地培育經濟發展核心區，加大中西部地區改革力度，擴大對外開放，積極建設以高新技術產業為核心的增長極軸，大力發展中西部地區的鄉鎮企業，多種手段促進東中西部地區橫向經濟聯合與合作，切實推進中西部地區經濟體制和經濟增長方式兩個根本性轉變。Abstract : approximate methods for calculating aerodynamic heating rates on space shuttles are discussed. various methods are given for predicting the heating rate at axisymmetric stagnation points, general three dimensional stagnationpoints and the leading edge stagnation point of wings. numerous laminar and turbulent heating techniques for flat plates and cones are analyzed and compared. a brief review of some methods is presented to predict heating rate for winward centerline and lateral direction off the symmetry plane. the results show that the methods are simpler and can guarantee enought precision for predicting aerodynamic heating environment of space shuttles
文摘:介紹了國內外預測航天飛機氣動加熱的工程計算方法.給出了軸對稱、非軸對稱和機翼前緣等各種外形駐點熱流密度的計算，分析和比較了平板、錐體的層流和湍流熱流密度計算的各種方法，概述了航天飛機迎風面中心線和離開中心線橫向熱流密度的計算.計算結果表明，本文方法用在航天飛機氣動熱環境初步設計中比較簡單並且有足夠精度The results showed that : ( 1 ) the application of the above optimization method is feasible in the process of vacuum residue hydrotreating. ( 2 ) shaft power is a small part in the operation fees of the hydrogen system and has little influence on the optimization results. ( 3 ) vent should be decreased to reduce energy consumption because of the high concentration of the cycle hydrogen after rebuilding of the unit
在pc - 133微機上進行了模擬和優化計算，結果表明： （ 1 ）以復合形法為核心的可行路徑序貫模塊法在重油加氫過程中的應用是可行的； （ 2 ）壓縮機軸功率在重油加氫的氫氣系統操作費用中所佔比例較小，對優化結果影響不大； （ 3 ）裝置經過技術改造后循環氫純度過高，可以減少放空以節省能耗； （ 4 ）建立的氫耗模型能夠可靠地計算現有裝置的循環氫濃度、溶解氫總量和裝置氫耗量。Porphyrins and metalloporphyrins are recognized as perfect host for molecular recognition owing to their diversity, their rigid molecular structures, the position and direction of the substituents on the porphyrin ring being controllable, as well as the variety of metal ligands of the metalloporphyrins
卟啉及其金屬配合物種類多，分子具有剛性結構，卟啉環上取代基的位置和方向可加以控制，且其軸向配體周圍的空間大小和相互作用的方向可通過改變配位中心金屬加以調節，因而是理想的分子識別受體。The paper takes shiyan city as a study case. in light of the existing urban recreationally spatial structure and its landform, the paper puts forward “ ellipse circle ” formed by “ plot - axis ”, an ideal model of recreationally spatial structure for moderate cities, which can be described as : according to “ plot - axis ” model, a city which has unique central district firstly puts emphasize on the center and its axes, secondly transfers to secondary center and its axes, thirdly gradually shapes a recreational belt crossing the center of the city, finally forms “ ellipse circle ” model for recreationally spatial structure by recreational belt. finally, the paper comes up with corresponding countermeasures aiming at the recreationally special layout of each hierarchy in shiyan city
以十堰市為例，根據城市現有的遊憩空間結構和地形特徵提出了「點軸」拉動的「橢圓圈層」城市遊憩空間結構模式，即對于只有一個中心區域的城市，根據「點軸」空間結構的發展模式，首先以中心區域為重點並發展其中心軸線，隨后把重點逐步轉到次重點區域並發展次中心軸線，照此循環下去逐漸形成橫穿城市中心區域的遊憩帶，在遊憩帶的作用下形成了城市遊憩空間的橢圓圈層模式;最後分別對城市社區、城區和環城三個遊憩空間的布局提出了相應的改進措施。By 2010, set up two technical development centers for mass assembly vehicle of national level of the dongfeng commercial vehicles and peugeot cars ; 2 - 3 parts and components technical development centers of national level of the dongfeng motor co., ltd, tri - ring group and etc. ; 20 parts and components technical development centers of provincial level of dongfeng industrial co., ltd, tongda company, xiangyang automobile bearing co., ltd, jiu long group, hubei aviation life - support technology co., ltd and etc
到2010年，初步建成東風商用車、神龍轎車兩個具有國際競爭力的國家級整車技術開發中心，東風汽車有限公司、三環集團等2 - 3個國家級零部件技術開發中心和東風實業公司、通達公司、襄軸公司、九龍集團、中航救生科技公司等20個省級零部件技術開發中心。The data used by calculation program and post - processing are formed by dialog boxes, and fed back by figure. a finite element program which considers the influence of axial deformation can analyze the prestressed concrete frame structure, then the structure is designed according to the code of concrete structure gbj10 - 89. post - processing can give the result of calulation by text file and graph, and plot construction drawings in autocad
前處理模塊通過對話框採集數據來建模，並利用圖形反饋建模結果；計算核心利用考慮了軸向變形的桿系有限元程序計算荷載效應和預應力效應，並按《混凝土結構設計規范》 gbj10 ? 89計算承載能力極限狀態和正常使用極限狀態；后處理模塊通過文本文件和圖形顯示來完成結果查詢，並直接在autocad環境下生成施工圖。Each kaleidocycle is actually made of components with identical shape. these components are able to rotate along one or more axes of symmetry. different kaleiodocycles have different periods of rotation
如你細心觀察，每個萬花環都是由同一形狀的元件組成，它們沿一條或多條對稱軸轉動。不同的萬花環有不同的轉動周期。To build the basic frame as “ one river two lines and one road ” for the center city, namely extend the tongzhou center city the toward the east and the south, the 40 square kilometer etended to 80 square kilometer, can accommodate 600 thousand people, taking one river ( the northern canal ), two lines ( chang1an street extending line, badaling - tongzhou line ) and one road ( the sixth circle line ) as the frame, with the city part of the canal as the axis, the new city square as the center, relying on the symbolic sights belt of the canal and the wenyu river and the city economy, making tongzhou as a modernizational and international shore city with old city revised and improved, the new cities promptly emerging, high quality and prominent characters, and with the water, the greenbelt and the modernized city sights as the city ' s main characters
構築中心城「一河兩線一路」的基本框架，即通州中心城將在現有的基礎上向東南方向拓展，由現有40平方公里擴大到80平方公里，能容納60萬人口，以一河（北運河） 、兩線（長安街延長線、八通線） 、一路（六環路）為架構，以運河城市段為軸線，以新的城市廣場為中心，以運河、溫榆河標志性景觀帶和都市經濟為依託，是一個舊城得到改造提升，新城迅速崛起，具有高品位和鮮明特色，以水、綠和現代城市景觀為主要特徵的現代化、國際化的濱水城市。分享友人