螺距面 的英文怎麼說
中文拼音 [luójùmiàn]
螺距面
英文
pitch surface-
The directrixes of the in former two transmissions are the loxodrome and the geodesic on the pitch cones, that of the latter is an equal - pitch line along the direction of straight generatrixes in the hyperboloid surface, also is the vertical trajectory of the straight generatrixes
前兩種傳動形式的準線分別為節錐面上的斜航線與測地線，後者的準線為單葉雙曲面上沿直母線方向的等螺距曲線，且為直母線族的正交軌線。In this investigation carbon black - filled electrical conductive composites of poly ( ethylene terephthalate ) / polyethylene were first prepared through the single - screw melt - blended extrusion, then drawing, followed by the quenching and subsequent press molding. the relationships among the influencing factors including composition, hot stretching ratio and compatibilizer, morphology and properties of composites were systematically investigated. positive temperature coefficients effect and crystallization behaviors of composites were preliminarily analyzed
本文擬採用單螺桿熔融共混擠出?熱拉伸?淬冷的新的成型方法制備炭黑填充的pet pe復合導電材料，熱拉伸的目的是使材料的分散相（ pet相）在加工過程中原位形成纖維，而炭黑基本分散在纖維中或纖維的表面上，使炭黑粒子間間距減小，形成更多的導電通路，從而提高材料的導電性能，同時保持或提高材料的力學性能。Then an thorough computer modeling using finite element program with material, geometry and state triple - nonlinear taken into account is carried out on a series of influencing factors, such as comparison with npn - beam splice connection, comparison of varies designed theories, and the varying of fraction coefficient, diameter, grade, pretension and arrangement of bolts, thickness of web and flanges of beam and column, splicing location, axial loading on column, etc. lots of useful conclusions are drawn form computer modelling. finally, design and construction suggestions are given out. this study fills the black in the field of steel beam - to - column connection with cantilever beam high - strength bolted - splicing at both home and abroad
然後，本文在考慮材料、幾何和狀態三重非線性的基礎上，對該連接形式進行了全面的計算機模擬，主要考慮了帶懸臂梁段全螺栓拼接的樑柱連接節點與無拼接的樑柱連接及翼緣對接焊接腹板拼接的連接節點的對比，各種設計方法之間的對比，以及翼緣拼接和腹板拼接的螺栓間距、直徑和數量，拼接點與梁端之間的距離，梁和柱的翼緣、腹板厚度，柱的軸力，接觸面的摩擦系數，翼緣和腹板拼接板的厚度等因素的影響。Abstract : the attitude error performance of electrostatic gyro should be understood and the relevant error equations must be set up in order to ensure the navigation precision of esgm. the relation between the navigation errors and the attitude errors of gyro was derived by use of spherical triangle. the simulation results show that the temporal performances of the longitudinal and distance errors which come from the initial alignment errors are periodically variational. they also show that the longitudinal and distance errors resulted from gyro drifts are not convergent in time. thus, the effects of initial alignment errors and gyro drifts can not be neglected and must be estimated and compensated
文摘:為了保證靜電監控器的導航定位精度，需要了解靜電陀螺的姿態誤差特性，建立相應的誤差方程.本文採用球面三角形原理推導了導航定位誤差與陀螺姿態誤差的關系式.模擬結果表明，由初始定向誤差引起的經度誤差和距離誤差的時間特性是周期變化的；由陀螺漂移引起的經度誤差和距離誤差是隨時間發散的.因此，初始定向誤差和陀螺漂移的影響不能忽略，必須對其進行估計和補償Mechanical standardization of semiconductor devices - part 6 - 5 : general rules for the preparation of outline drawings of surface mounted semiconductor device packages ; design guide for fine - pitch ball grid array
半導體器件的機械標準化.第6 - 5部分:表面安裝半導體器件外殼外形圖繪制的一般規則.小螺距刃片柵格排列的設計指南Mechanical standardization of semiconductor devices - part 6 - 6 : general rules for the preparation of outline drawings of surface mounted semiconductor device packages ; design guide for fine pitch land grid array
半導體器件的機械標準化.第6 - 6部分:平面式安裝半導體器件外殼外形圖繪制的一般規則.小螺距刃片柵格排列的設計指南Mechanical standardization of semiconductor devices - part 6 - 6 : general rules for the preparation of outline drawings of surface mounted semiconductor device packages - design guide for fine pitch land grid array
半導體器件的機械標準化.第6 - 6部分:半導體器件包裝用表面安裝略圖制備的一般規則.小螺距刃片柵格排列的設計指南The running condition would be deteriorated and at last the parts of the engine would be damaged if the revolution were reduced too low. the propeller must be redesigned or be modified in this situation. people usually modify the propeller rather than change the propeller because it will be more easily and economical
此時若要更換新的螺旋槳必然造成經濟上過重的負擔，較方便可行的方法是對原來的螺旋槳採取切邊修改的方法，減少螺旋槳的直徑、盤面積或螺距，使螺旋槳的扭矩減小，螺槳變「輕」 。The primary purpose of this paper is how to solve the overloaded propeller ' s condition. the style of propeller trailing edge cutting and shave on the pressure surface is adopted. the propeller ' s actual effect pitch will be reduced which cause the propeller ' s torque down
本文主要是考慮螺旋槳出現負荷過重時如何處理的問題，所以採用槳葉隨邊切割並在葉面處將翼型修順的方式，實質上是切割后導致螺旋槳實效螺距的減小，從而使螺旋槳吸收的轉矩降低來達到主機負荷降低的目的。Based on the method of limitation analysis of soil plasticity, researching from the soil arching mechanism of soil - nailing retaining, the upper limit of the critical height of soil - nailing slopes and the minimum horizontal length from coping of the potential slide surface to the edge of deep excavation are obtained through the analysis to weight of soil and vertical loading and the mechanism of soil and soli - nailing acting reciprocally
摘要基於土的塑性極限分析方法，以均質土坡為例，從土釘支護結構的準粘聚力理論出發，綜合考慮土體自重、坡頂的條形荷載，以及土釘與土體的相互作用的機理，推導出了土釘支護的臨界高度的上限值和潛在螺旋曲線滑動面在坡頂方向距基坑邊沿的最小水平距離解析表達式，可供基抗支護設計參考。Mechanical standardization of semiconductor devices - general rules for the preparation of outline drawings of surface mounted semiconductor device packages - design guide for fine - pitchball grid array
半導體器件機械標準化.表面安裝半導體器件封裝外形圖繪制的一般規則.小螺距球柵陣列的設計指南Surface, the easliy wear and tear parts use grinding - resistant material, extruding part use variable cylinder diamethe extruder with compact structuures, transmission gear with hard gear ter detachable pitch, great extruding p0ressure, high vacuum degree, low loading capacity ( electricity - saving more than 25 % than the same product ). it reaches advanced domestic level andcan replace imported items. it is suitable to produce hollow brick with high hole ratio, coal waste rock hollow bricks, shale hollow bricks, prower coal ash hollow - bricks. the extruder won the scienttific and technological progress pride of the lst building material scientific and techniques achievement exhibition in jiangsu province and the golden prize of the mational brick and tile energy - saving lxln achievement
該機結構緊湊、傳動齒輪均系硬齒面，易損件採用耐磨材料、擠出部分採用變缸徑、變螺距、擠出壓力大、真空度高，裝機容量低（比同類產品節電25 % ） ，性能優于進口同類設備，適用生產高孔洞率空心砌塊、煤矸石、頁巖、精煤灰空心磚及各類高摻入量粉煤灰磚和低塑性原料磚，該機在江蘇省首屆建材科技成果展覽會科技進步獎； 94全國磚瓦節能四新成果展覽會金獎，西安國際博覽會金獎。Mechanical standardization of semiconductor devices - part 6 - 5 : general rules for the preparation of outline drawings of surface mounted semiconductor device packages - design guide for fine - pitch ball grid array
半導體器件的機械標準化.第6 - 5部分:半導體器件包裝用表面安裝略圖制備的一般規則.小螺距球面柵格排列的設計指南Round screw thread with clearance and flat flank with pitch 7 mm ; limiting dimensions of screw threads and allowances permissible deviations and permissible wear of screw thread gauges
螺距為7mm的帶間隙和直側面的圓螺紋.第2部分:螺紋Round screw thread with clearance and steep flank with pitch 7 mm ; limiting dimensions of screw threads and allowances - permissible deviations and permissible wear of screw thread gauges
螺距為7mm的帶公差和斜側面的圓螺紋.螺紋的極限尺寸With the helicopter hovering at a safe altitude, roll the helicopter to the left, until the rotor blades are vertical, the helicopter must remain horizontal during this maneuver, drop collective and add forward cyclic
先將直升機停懸在安全的高度，然後將副翼打左舵執行1 / 4側滾，直到主旋翼回轉面成為垂直，機體必須保持水平，降低主旋翼的螺距成為0 ，並且將升降舵打降舵。Mechnical standardization of semiconductor devices - part 6 - 2 : general rules for the preparation of outline drawings of surface mounted semiconductor device packages - design guide for 1, 50 mm, 1, 27 mm and 1, 00 mm pitch ball and column terminal packages
半導體器件的機械標準化.第6 - 2部分:半導體器件包裝用表面安裝略圖制備的一般規則. 1 . 5 mm 1 . 27 mm和1 . 00 mm螺距球面和柱狀終端包的設計指南Round screw thread with clearance and steep flank with pitch 7 mm ; nominal dimensions
螺距為7mm的帶間隙和直側面的圓螺紋.標稱尺寸Round screw thread with clearance and flat flank with pitch 7 mm ; nominal dimensions
螺距為7mm的帶間隙和直側面的圓螺紋.第1部分:公稱Railway transport equipment. hand brake. screws and nuts. pitches and profiles. screw drives
鐵路車輛.手制動裝置.螺釘和螺母.螺距和剖面.螺釘傳動分享友人