tri-cone 中文意思是什麼

tri-cone 解釋
三錐
  • tri : 德國磁浮高速列車國際公司
  • cone : n 1 圓錐，錐形物；錐面；錐體。2 火山錐，圓錐形火山；錐狀地區。3 【植物；植物學】球果，球花。4 風...
  1. Ontogeny three types of female cones of ephedra are recognized according to the number of seeds per cone, namely uni - ovulate cone, bi - ovulate cone, and tri - ovulate cone. it is suggested that terminal bud of primary cone axe is developed in tri - ovulate cone and disappears in bi - ovulate cone

    這三種類型也代表了麻黃屬球花演化的三個階段，三胚珠球花代表麻黃屬雌球花的原始式樣，而單胚珠雌球花則為麻黃屬雌球花最為特化的式樣。
  2. In the most extreme condition in uni - ovulate cone, the female reproductive unit ( fru ) occupies the position of the terminal bud. an evolutionary trend of reduction is supported in the genus from tri - ovulate to uni - ovulate cone, in which the bract number and seed number are reduced, and the seed size and seed surface sculpture are increasing

    總之，麻黃屬雌球花有簡化的趨勢，伴隨著這種趨勢，雌球博士學位論文中國麻黃屬植物的分類? ?兼論麻黃屬的演化花苞片數目減少、種子數目減少、種子體積增大、表面復雜度增加。
  3. Tri - cone rock bit is the important tool in oil drilling, so its capability and quantity affect the speed and cost of oil drilling greatly

    三牙輪鉆頭是石油鉆井的重要工具，其性能和質量對鉆井速度和成本影響很大。
  4. The structure of tri - cone rock bit is complicated. as the cutting structure touch the stratum directly, it affects the process of breaking rock and the performance of tri - cone rock bit

    三牙輪鉆頭結構復雜，其中齒面結構直接與地層接觸，對于巖石破碎過程和鉆頭工作性能的影響最大。
  5. 3. solve the key problem during the 2d engaging design of the tri - cone rock bit. if you move or rotate any insert with mouse, the other two inserts in the same cycle change same positions

    解決了三牙輪鉆頭二維嚙合設計中的關鍵技術?聯動布齒，通過鼠標移動和旋轉任意一個牙齒，同一齒圈上的其它兩個牙齒做相同的位置變動。
  6. The paper deduced the seal torque of the tri - eccentric butterfly valve and gave it a qualitative analysis. the results indicated : for the tri - eccentric butterfly valve with the same caliber, theseal torque would decrease with the butterfly disc thickness increasing ; the seal torque would increase with the radial eccentricity increasing ; however, the axis eccentricity effected on the seal torque minutely ; the seal torque would increase with the half cone angle increasing appreciably of the cone which the butterfly disc belonged to

    本文還對三偏心蝶閥的密封力矩作了推導並進行了定性的分析，結果表明，對于同一口徑的三偏心蝶閥，密封力矩與蝶板的厚度近似成反比；與徑向偏心距近似成正比，變化也很明顯；而軸向偏心距對密封力矩的影響不是很大；密封力矩隨著蝶板所在的圓錐半錐角的增大而有所增加。
  7. Research on the techniques and their realization to improve the tri - cone rock bits ' life span

    與牙輪鉆壽命相關的若干技術及其實現的研究
  8. 7. assemble inserts and cones respectively, and prepare for calculating 3d engaging distance of tri - cone rock bit

    對牙輪和牙齒分別進行了裝配，為三維嚙合間隙計算做了充分準備。
  9. Application the system to the design of tri - cone rock bit, will shorten the developing cycle of new products, and improve the design quality, and increase the technology innovation of enterprise and enhance the market competition

    通過本軟體的應用，可以縮短三牙輪鉆頭的設計周期，提高產品的設計質量，提高企業的技術創新能力和市場競爭能力。
  10. It is not reported that any software has been developed on the engaging design of tri - cone rock bit with pro / e workbench in china and other countries. therefore, this software is developed with pro / e2000i on 2d engaging design and 3d models design of cones and inserts and their assembly, and the program languages are pro / toolkit and delphi

    在pro e環境下開發三牙輪鉆頭的嚙合設計在國內外還未見到，因而本系統選擇pro e為二次開發平臺，採用參數化設計思想，利用pro toolkit和delphi聯合編程，適合三牙輪鉆頭二維嚙合設計、牙輪牙齒三維實體造型和裝配。
  11. The design that the active protection is taken in the paper is a breakthrough of common methods of gage protection. on the basis of the well - done roller cone bits and pdc bits, three practicable schemes are provided. as a result of selection and design, two brand - new multiple drill bits are invented, that is, protector - tri - cone mdb and protector - single - cone mdb

    本論文突破傳統的被動保徑思維，採用主動保徑方法，並在業已成熟的牙輪鉆頭和pdc鉆頭技術的基礎上，提出了三種可行的復合鉆頭實施方案，並經過精心選擇和設計，推出兩種新型復合鉆頭，即變徑保徑器?三牙輪復合鉆頭，變徑保徑器?單牙輪復合鉆頭。
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