齒質的 的英文怎麼說

中文拼音 [chǐzhíde]
齒質的 英文
dental
  • : Ⅰ名詞1 (牙; 牙齒) tooth 2 (物體上齒形的部分) a tooth like part of anything 3 [書面語] (年齡...
  • : Ⅰ名詞1 (性質; 本質) nature; character; essence 2 (質量) quality 3 (物質) matter; substance;...
  • : 4次方是 The fourth power of 2 is direction
  1. Methods : we have divided the 636 molars ( without dental caries or pathological changes of root ) collected in school of forensic medicine and stomatological hospital in shanxi medicine university into four groups : maxl, max2, manl, man2, and selected 5 indexes closely related to changes of dental age ( dental attrition, contact area, the index of dentine marrow cavity, the thickness of cementum of root, the diaphaneity of dentine of root ), and proposed the grading standard and scoring standard date processing and statistical analysis after measuring the teeth of the four groups

    方法:從山西醫科大學法醫學院及口腔醫院收集636磨牙(無齲壞、無根尖病變)分為max1 、 max2 、 man1 、 man2四組,根據牙增齡變化特點,篩選了5個與牙齡變化密切相關指標(牙磨耗、接觸區面積、牙本髓室指數、根尖牙骨厚度、根尖牙本透明) ,提出了指標分級標準和評分標準,對各組測量后進行數據處理和統計分析。
  2. Results : all the five indexes ( dental attrition, contact area, the index of dentine marrow cavity, the thickness of cementum of root, the diaphaneity of dentine of root ) revealed a highly interrelated relationship with age. regression height was significant when the multiple regression equation, which was formulated with these five indexes and age and used to judge the age was statistically analyzed

    結果:牙磨耗、接觸區面積、牙本髓室指數、根尖牙骨厚度、根尖牙本透明均反映出與年齡高度相關關系,用這5個指標與年齡所建立判別年齡多元回歸方程經統計學分析,回歸高度顯著。
  3. In order to solve the problems of which the spiral bevel gear of oerlikon type is necessary to out and modify repeatedly, a new method was developed to predict the contact pattern and greatly reduce the cost for manufacturing by means of building a tooth contact analysis model of prolate epicycloids bevel and hypoid gears for oerlikon skm2

    摘要為解決奧利康錐輪加工過程中需要反復試切、修正問題,根據奧利康skm2機床建立了加工延伸外擺線輪和準雙曲面面接觸分析模型,提出了一種可預測面接觸量、降低設計加工成本新方法。
  4. Along with the extensive application of carbide cotters, the study of carbide gear shaper cotters has been subjected to more and more attention in gear manufacturing industry

    摘要隨著硬合金刀具廣泛應用,硬合金插研究越來越受到輪製造業重視。
  5. As it is impossible to machine the helicoid gear surface with large module and a few teeth by gear generating, a four - axis milling was developed in this paper

    摘要針對大模數少數螺旋加工特點,結合漸開線和擺線,利用微分幾何工具計算出該類曲面法矢,作為選取球頭銑刀半徑依據。
  6. As both the meshing point and ball ' s center are on the given cylinder, a general method for developing the cam ' s profile is studied. it is proved that the profile of positive and negative transmission is unique if the face gear, the difference between face tooth number and ball number and the diameter of ball are the same. the concrete expression of meshing cam on given spatial cycloid profile, and the characteristics of the profiles are discussed

    論文主要工作包括: 1 、根據嚙合點和鋼球中心軌跡均在同一圓柱面上特點,研究了給定端廓條件下求解凸輪一般方法;論證了在給定端差數和鋼球直徑相同條件下,正負差嚙合唯一性;討論了端為球面擺線時,凸輪具體表達式,並研究了該
  7. Whether it or not to improve the lubrication and dynamic performance of gear, at the same time to realize a " green lubrication " type of gear transmission of low cost, energy saving and easy maintenance by means of making use of the frication material ' s lubrication performance and meshed medium ' s elastic deformation

    能不能研究一種利用摩擦副材料摩擦潤滑特性和嚙合介彈性變形,實現既能改善潤滑和動態特性效果,又能實現低成本、節能、易維護綠色潤滑輪傳動?
  8. Structural design of carbon alloy gear - slotting tool

    合金插結構設計
  9. Effect of rich organic matter on paraprionospio pinnata polychaeta : spionidae on futian tidal flat in shenzhen bay

    深圳灣福田紅樹林潮灘奇異稚富有機效應
  10. Contains sylodenttm, an enamel - safe polishing agent that cleans your teeth and helps eliminate stains, including coffee, tea and tobacco. whitens teeth without bleaching

    採用優sylodenttm亮潔粒子,以細致研磨顆粒,有效去除牙菌膜及由咖啡、茶及香煙等所引起牙垢膜而不損琺瑯,讓牙潔白怡人。
  11. The process has an advanced principle. the involute hourglass worm drive can realize the design machining of gear form and direction, and the internal meshing honing gear has high efficiency. this process has all merits mentioned above, and also has the advantages of quality stability, high productivity for rude and finish machining

    該工藝原理先進,它集有利於實現形、向設計加工漸開面環面蝸桿傳動與高效內嚙合珩優點與一體,對粗、精加工都有量穩定、生產效率高優點。
  12. Relation between presentation of plate bar ad quality of refining pulp, power consumption is studied. contributions for new fine bar of double disc refiner ( ddr ) is introduced

    摘要研究成裝量、打漿功率消耗與磨片關系,簡述細磨片優越性。
  13. Investigations by wolfgang m ller of the australian national university of the isotopic composition of the iceman ' s tooth enamel suggest that he had grown up in one area but spent the last several decades of his life in a different place

    澳洲國立大學繆勒研究冰人牙琺瑯同位素組成,發現冰人可能在某個地區成長,但是他死前幾十年卻在其他地方度過。
  14. When there is no or lesser undercut, we can use the bend stress ' s algorithm of involute gear to calculate approximately the bend stress of gear with meshed medium belt, what we to do is to transit the interrelated shift coefficient to the according radial minus shift coefficient of involute gear, and the error can be controlled in 10 %

    在不產生或少量根切時,可用漸開線徑向變位彎曲應力計算方法來近似計算帶式嚙合介彎曲應力,只需將關聯變位系數轉化為相應漸開線輪徑向變位系數即可,其誤差在10 %以內。
  15. Technical supporting : new materials including high strength and high wear resistance carbides, carbides and diamond multi materials, manufacturing technologies including complicated shapes, precision press, cam etc

    技術支撐:新材料技術,特別高強度高韌性高耐磨合金,硬合金/金剛石復合材料;產品製造技術,主要是復雜形狀(片)、精密成型技術,牙輪鉆集成製造技術。
  16. The paper offers a viable method for the detection and evaluation of spiral bevel gears. this method can offer reference for amending of the gear tooth surface, and possesses important scientific and applied value for actual design and manufacture

    本文對航空弧輪副嚙合檢測與評估提供了一種可行方法,並能為修形提供參考依據,在實際設計和製造過程中有重要科學與實用價值。
  17. The gcad system utilizes artificial neural network to mapping coefficients of the gear, establish the foundation for optimization design of the gear. by parametric design, the system realizes drawing and solid modeling. by using expert system, the gcad system can aided designer to make some scheme decision, as well as some important designing, calculating, checking, analysis and drawing, so, can improve the design quality, as well as work efficiency of the designer

    Gcad系統包括參數計算、參數化繪圖、專家系統、輔助功能和幫助系統五個部分,通過matlab引擎,充分發揮了matlab及autocad各自優勢;通過利用人工神經網路映射輪系數,為輪傳動結構優化設計奠定了基礎;通過參數化設計,實現了二維參數化繪圖和三維實體建模;通過將專家系統應用於gcad系統中,初步實現了集方案輔助決策、設計、計算、校核、分析以及繪圖功能於一體,提高了輪設計水平、設計量和設計人員工作效率。
  18. These springs are now eliminated and replaced by an axial non - me - tallic thrust located in the center - line of the gearing to avoid any friction that would generate wear, vibration and noise

    在本系列產品中,這些彈簧已經取消,並由位於輪中心上非金屬材軸向止推裝置所取代,避免了會導致磨損、振動和噪聲任何磨擦現象。
  19. The results of the studies show that, when fine medium belt, proper load and velocity are selected, the transmission performance of gear with meshed medium belt is superior to invloute gear ' s ; furthermore, it can be lubricated with water, and it ' s effects are almost fine to the lubricant effects with oil. so we can realize a " green lubrication " type of gear transmission

    試驗結果表明:選擇適當帶材料和一定載荷速度條件,帶式嚙合介傳動性能優于漸開線輪,並可用水進行潤滑,幾乎達到在油潤滑條件下效果,實現一種節能、無污染綠色潤滑輪傳動;相對于漸開線輪,帶式嚙合介輪具有顯著減振降噪作用,動態特性優越。
  20. This thesis establishes the cylinder gear and conic gear parameter serial, and analyzes their mechanics, completed the gear ' s product size - taking shape the molding size - electrode size delivers the regulation proceeded the research. establishing the design and calculation methods for the gears precision forming the craftwork parameter, forge piece, those gears precision forming perform, mould and and tool electrodes. based on the software platform of pro / engineer 2001 and visual c + +, the system is consisted of capp and cad, which are used for forming process and mould design for the gears, are studied and developed

    本文對圓柱精密模鍛和圓錐冷擺輾成形工藝及其力學本進行了系統研究,分析了輪精密成形影響因素,確定了輪零件一鍛件?電極?模具尺寸傳遞規律,建立了輪精密成形工藝參數、鍛件、預制坯、模具以及電極設計計算方法鏈。
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