tooth root 中文意思是什麼

tooth root 解釋
齒根
  • tooth : n （pl teeth）1 牙齒。2 齒狀突出，輪齒，鋸齒，耙齒（等）。3 嗜好。4 〈常 pl 〉（像牙齒那樣能咬人...
  • root : n 魯特〈姓氏〉。n 1 （草木、毛發等的）根；根菜，食用菜根；根莖，地下莖；塊根；有根植物，草木，草...
  1. A tooth with a single cusp. cuspids have the longest root of any tooth. also known as a canine

    只有一個牙尖的牙齒.任何一個尖牙都有一個較長的牙根.也稱為犬齒
  2. One tooth works while the other one idles and gets no stimulation in its root area.

    一顆牙齒在工作，另一顆則閑著，它的牙根部得不到刺激。
  3. Abstract : the therortical calculation of the bending stress of the root and experimental stress analysis on the modified profile and the standard involute tooth profile were made with the finite element method and the electric resistance strain film method. this indicated that the modified profile was supe rior to the standard involute profiles in terms of the bending strength

    文摘:分別用有限元和電阻應變片法對修形齒形和漸開線齒形進行齒根彎曲應力計算與實驗應力分析.結果證明在彎曲強度方面修形齒形比標準漸開線齒形更優越
  4. The knowledge on the properties of used materials is urgently needed for reasonable life - prediction and life - distribution. as cylinder bolts are concerned, they often rapture at the first tooth - root resulting from lower high temperature strength of their material and higher stress. since bolts operate at high temperature environment, creep skew and damage causing their failure are important factors that can not been neglected

    就汽缸螺栓而言，由於螺栓材料的高溫強度偏低，預緊力過大，常常在螺栓的第一齒根部位發生蠕變脆性斷裂，因其長期在高溫環境下工作，蠕變變形和蠕變損傷是其失效的一個不可忽略的重要因素。
  5. Calculation of load capacity of bevel gears - calculation of tooth root strength

    傘齒輪負載能力的計算.齒根強度的計算
  6. A calculation research on the tooth root bending stress of asymmetrical involute gear

    非對稱漸開線齒輪齒根彎曲應力的計算分析
  7. Calculation of load capacity of bevel gear - part 3 : calculation of tooth root strength

    錐齒輪承載能力計算方法第3部分:齒根彎曲強度計算
  8. The branch of dentistry that deals with diseases of the tooth root, dental pulp, and surrounding tissue

    牙髓病學研究牙根、牙髓及其周圍組織疾病的牙醫學的一個分支
  9. A dental implant is an artificial tooth root that a periodontist places into your jaw to hold a replacement tooth or bridge

    種植牙是一種通過專科醫生植入頜骨的人工牙根，用以鑲復牙冠或牙橋
  10. Start directly from the actual shape of gear tooth, taking the similarity theory as a base, and by means of sampling calculation of boundary element and analysis of three elements regression, the simplified formulae for calculation of tooth root stress were established

    摘要直接從輪齒的實際形狀出發，以相似理論為基礎，通過邊界元采樣計算和三元回歸分析，建立齒根應力計算的簡化公式。
  11. These are 1 ) the case of an inversely impacted permanent maxillary incisor secondary to a supernumerary tooth, and 2 ) the case of severe root dilacerations of a horizontally impacted incisor with midline deviation, severe space deficiency and congenital absence of bilateral mandibular lateral incisors

    第二個病例是一位十一歲六個月的女孩，他的左上顎正中門牙因為牙根大角度彎曲，造成水平阻生，同時合併有空間喪失，中線不正，嚴重空間不足及雙側下顎側門牙先天缺牙等問題。
  12. 3. base on the numeric method of finite element, the influence of interrelated shift coefficient and tooth number z to bend intensity of gear is studied. with the increase of the tooth number, tooth root maximum pull stress decrease ; with the increase of the interrelated shift coefficient, tooth root maximum pull stress increase

    3 、基於有限元數值計算方法，分析了不同關聯變位系數和齒數z對齒輪彎曲強度的影響：隨著齒數的增大，齒輪最大拉應力減小；關聯變位系數越大，齒輪最大拉應力越大。
  13. Considering the time - variant mesh stiffness, the calculated results demonstrated the change of tooth root bending stress in one engagement period

    計算結果揭示了由於時變嚙合剛度的影響齒根彎曲應力在一個嚙合周期的變化規律。
  14. Compared with a standard involute gear, the unsymmetric involute gear could efficiently improve the tooth root bending strength by finite element analysis

    對實例的有限元分析表明非對稱漸開線齒輪的齒根彎曲強度比對稱齒輪有較大提高。
  15. Bring the fragment of the fractured tooth. root or bone injury can be detected by professional dental staff only

    因為碰傷的部份可能在表面看不到的位置，例如牙根；而且，乳齒受創可能傷害形成中的恆齒。
  16. They say individuals may have cavities, root exposures or other flaws that could cause problems after tooth bleaching

    牙醫們說，那些有蛀牙、牙根外露或者有其他牙齒問題的人，可能在牙齒漂白后出現牙齒問題。
  17. Calculation of the bending fatigue strength at the tooth root of driving gears on reduction gear drives

    減速齒輪傳動中主動輪齒根彎曲疲勞的計算
  18. 5 ) using the practical products, we have done experiments and comparisons on designing and generating tooth, testing the contact ratio, tooth root stress, vibration and noise for the high contact ratio spiral bevel gears

    摘要5 ）採用實驗研究技術，結合實際產品，進行了高重合度弧齒錐齒輪的設計、切齒、重合度測試、齒根應力測量、振動和噪聲測量等大量對比實驗。
  19. Do not attempt to scrub the tooth. gently rinse off obvious dirt on the root with clean water

    只可以用清水輕輕沖掉牙齒表面的污垢，
  20. My front tooth often grows not to come out, use a needle to be able to find tooth root from flank of slit between the teeth, often can rush not to defeat a flesh above, and often inflammation, ache do not have a law to have a meal, how be treated

    我的大牙老是長不出來，用針可以從牙縫側面感覺到有牙根，可老是沖不破上面的一層肉，而且老是發炎，疼的都沒法吃飯，怎麼治呀？
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