line contact 中文意思是什麼

line contact 解釋
線接觸
  • line : n 1 線;繩索;釣絲;測深度用繩,捲尺。 a fishing line 釣魚線。 be clever with rod and line 會釣魚...
  • contact : n 1 接觸;聯系;交涉。2 〈美國〉(有勢力的)熟人;門路。3 【數學】相切;【電學】接觸;觸頭;觸點...
  1. This article takes the basic of agrotechnical diffusion as the main line, regards the whole system of agrotechnical diffusion as a dynamic consecutive course, and divided the course into three sub - systems, viz. science and technological innovation, technical diffusion and technical application. the contact of the three depends on the flow of information in different course in the whole system

    本文以農業技術擴散的基本路徑為主線,將整個農業技術擴散系統看做一個動態的連續過程,並將這個過程劃分為科技創新,技術推廣和技術應用三個子過程,它們在系統中的聯系是由信息在不同過程間流動來完成的。
  2. Studies on non - contact on - line inspecting method of echelon axis

    階梯軸非接觸在線檢測方法的研究
  3. The thesis developed the optimization design software of geometric parameter for the worm gear including strength check module, the drawing contact lines module, the change lines of tooth thickness of worm, and the parametric modelling software for the reducer which includes parametric modelling of parts and assembly. the cad prototype system is very convenient because of its accessible interfere, simple operation and written in chinese. by input design parameters , the cad system can make optimization design and strength check for the worm gear , draw contact lines of tooth flank of worm - gear and change line of tooth thickness of worm , judge if the tooth flanks of worm undercut and if the sideward tooth of worm - gear hob come to a point , make project design and structure design for the reducer and draw its 2d parts and assembly

    研究和開發了平面二次包絡環面蝸桿傳動的參數優化設計和校核軟體系統:包括幾何參數設計計算模塊,強度校核模塊,繪制齒面接觸線模塊,蝸桿齒厚變化曲線模塊和蝸桿根切判別模塊;開發了平面二次包絡環面蝸桿減速器外形與結構尺寸數據庫以及傳動效率數據庫,建立了平面二次包絡環面蝸桿傳動公差及極限偏差數據庫;開發了平面二次包絡環面蝸桿減速器參數化建模軟體:包括零部件的參數化建模模塊和裝配圖的參數化建模模塊,其中零部件的參數化建模包括蝸桿軸系的參數化建模、蝸輪軸系的參數化建模、箱體的參數化建模、端蓋的參數化建模、軸承的參數化建模和其它零部件的參數化建模軟體模塊。
  4. Saitong focuses on developing, manufacturing and selling overhead contact line systems, traction substation equipments, third rail systems etc

    公司主要設計、製造和銷售鐵路接觸網系統、牽引變電所設備和城軌交通鋼鋁復合接觸軌系統等。
  5. After expounding the power supply and current collection modes of the rolling stock in shanghai umt pearl line in terms of technology and economy, the author argues that two current collection modes shall be adopted for shanghai umt pearl line, i. e. a third rail collector be on skybridge while the overhead contact line on the ground

    摘要闡述了城市軌道交通車輛供電受流方式的特點,並從技術和經濟兩方面對上海明珠線車輛供電受流方式進行了探討,提出了明珠線車輛應採用雙受流方式,即高架橋上採用接觸軌受流器受電,地面採用架空接觸網受電弓受電。
  6. Analysis of the reason and control of ground settlement of subway at guangzhou subway no. 2 line kecun contact line fork

    廣州地鐵客村聯絡線岔口段隧道工程地面沉降原因分析及控制
  7. On the condition of “ many - head ” and “ small drive ratio ” , the plane double enveloping hourglass worm can not settle the problem of undercutting and sharpening simultaneously. it has devoted to a new type hourglass worm _ sphere double enveloping hourglass worm. the coordinate system is established according to the frock. the meshing equation and the tooth equation of worm and gear have been developed and the distribution of contact line on gear tooth is analyzed. to evaluate the meshing quality , four meshing quality indexes and five original parameters are put forward. through mass programming computing , the relations between meshing quality and original parameters are derived and depicted by graphs

    考慮到平面二次包絡環面蝸桿傳動在多頭小傳動比條件下根切與齒頂變尖的矛盾很難同時解決且嚙合性能較差,介紹了一種新型環面蝸桿傳動? ?球面二次包絡環面蝸桿傳動.在研究過程中,根據工裝建立了坐標系,根據一二包過程的運動關系推得了嚙合方程和蝸桿與蝸輪的齒面方程,分析了蝸輪齒面上的接觸線分佈.為了評價嚙合性能,提出了4項性能指標和5項原始參數,通過大量編程計算得到了嚙合性能指標與原始參數之間的關系,並以圖表直觀的表示
  8. Connectors, receptacle, electrical, coaxial, radio frequency series sma, socket contact end launch for strip or microstrip transmission line, detail specification for

    Sma系列帶狀線或微帶傳輸線用插孔接觸件尾端裝接射頻同軸插座連接器.詳細規范
  9. Tokyo, japan ( reuters ) - - japan and china are working to set up a 24 - hour hot line between their armed forces to make emergency contact easier, the daily yomiuri shimbun reported in its evening edition on monday

    東京日本(路透社) - -據《讀賣新聞》本周日晚間報道,中國和日本擬設立24小時軍方熱線,以在發生緊急情況時便於聯系。
  10. In line with the theories of the present pavement designs, the cement concrete pavement, with normal performance in the structure of every layer, ideal interlayer contact as well as good designs and construction, will usually not break until a long time of use or the time designed

    按照現行路面設計理論,路面結構各層性能正常、層間界面接觸理想、設計和施工質量良好的水泥混凝土路面,一般要經過長期使用且達到其設計使用年限后才會開裂破壞。
  11. According to the differential geometry theory, the principle curvatures and principle relative curvature of the spur gear and the fg in line contact and point contact, the tooth surface relative speed and the tooth contact interface are analyzed, whose distributing on the tooth surface are visualized by computer

    在齒面的幾何特性研究中,利用微分幾何的原理分析了圓柱齒輪和面齒輪的齒面曲率、線接觸和點接觸面齒輪傳動的主誘導法曲率以及嚙合過程中齒面的相對速度和接觸區域計算問題,並獲得有益的結論。
  12. From analysis of the test results the conclusions can be obtained as follow : the coefficient of friction under line contact is same as under point contact

    研究表明:線接觸微動摩擦因數變化與點接觸形式相同;位移幅值在部分滑移區時,表面粗糙度對表面磨損有影響。
  13. Optional disc configuration which provides line contact between spherical disc and conical body seat

    備選閥瓣結構,在球形閥瓣和錐體閥座之間具有線接觸作用。
  14. It is different from under point contact that there is no stick area under line contact in the partial slip regime, and load distribution within line contact area is uneven due to roughness of surface

    磨痕分析表明,承載區域接觸不均勻,存在虛接觸區域,其大小與表面粗糙度有關,而接觸區域沒有不磨損的粘著區,不同於點接觸形式。
  15. " three representatives ", masses theory, masses view and masses line contact with one another not only in theory but also in practice

    「三個代表」與群眾理論、群眾觀點、群眾路線無論在理論層面上還是在實踐層面上都是緊密相聯的。
  16. After designing oil ditches on the surface of its arc - block, increase friction factor and make sure self - lock which solves above problem. do qualitative analysis to lower pair and one - way overrunning clutch and inner star - wheel - roller overrunning clutch by using self - made lever loader. the experiment shows : on the same condition, the deformation of new overrunning clutch ’ s surface contact with lower pair is smaller than the deformation of roller overrunning clutch ’ s line contact with higher pair and new overrunning clutch ’ s skid angle is smaller

    對低副單向超越離合器的部件進行了加工製造,在超越離合器弧塊表面創新設計加工排油溝,增大摩擦系數,保證實現自鎖,解決了很多離合器工作過程中容易出現無法自鎖的問題;對低副單向超越離合器和內星輪滾柱超越離合器用自製杠桿加載器做了定性分析,實驗表明:相同條件下,新型離合器低副面接觸比滾柱離合器高副線接觸變形小、溜滑角小。
  17. Disc has a differential angle front the seat to provide a line contact for maximum sealing

    這類閥瓣具有不同的角度面對閥座,因此具有線接觸作用,從而實現最大限度的密封。
  18. On the basis of analysis of design criterion of shaft washer and housing washer of tandem composite type cylindrical roller thrust bearing, we present a mathematic model for optimal design in accordance with line contact requirement for cylindrical roller and race, design the washers thickness and thickness variation angle by the search algorithm of constrained stochastic direction

    摘要在分析串聯組合型推力圓柱滾子軸承軸圈和座圈設計準則的基礎上,按滾子與滾道線接觸要求建立其最優化設計數學模型,採用機械優化設計中的約束隨機方向搜索法計算軸圈和座圈的厚度、厚度變化角。
  19. We intend to purchase wheel hub from china. hope the chinese quality suppliers in this line contact with us

    我們想從事國采購汽車輪轂,請高質量的中國供應商聯系我們
  20. Integrity on line contact us

    誠信在線聯絡我們
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