齒本質 的英文怎麼說
中文拼音 [chǐběnzhí]
齒本質
英文
dental tissue- 齒 : 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...
- 本 : i 名詞1 (草木的莖或根)stem or root of plants 2 (事物的根源)foundation; origin; basis 3 (本錢...
- 質 : Ⅰ名詞1 (性質; 本質) nature; character; essence 2 (質量) quality 3 (物質) matter; substance;...
- 本質 : 1. [哲學] (事物的內部聯系) essence2. (原來的品質; 素質) nature; innate character; intrinsic quality
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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的636磨牙(無齲壞、無根尖病變)分為max1 、 max2 、 man1 、 man2四組,根據牙齒的增齡變化特點,篩選了5個與牙齡變化密切相關的指標(牙齒的磨耗、接觸區面積、牙本質髓室指數、根尖牙骨質的厚度、根尖牙本質透明) ,提出了指標的分級標準和評分標準,對各組的牙齒測量后進行數據處理和統計分析。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:牙齒的磨耗、接觸區面積、牙本質髓室指數、根尖牙骨質的厚度、根尖牙本質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的判別年齡的多元回歸方程經統計學分析,回歸高度顯著。Thirty weeks later two - millimeter - wide molar crowns emerged, complete with pulp chambers, root tips and bonelike layers of dentin and, in a first, enamel
30周后,冒出了兩公釐寬的臼齒牙冠,具有牙髓腔、牙根的根尖、一層如骨骼般的象牙質,以及最基本的琺瑯質。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齒輪加工過程中需要反復試切、修正的問題,根據奧利康skm2機床建立了加工延伸外擺線齒錐齒輪和準雙曲面齒輪的齒面接觸分析模型,提出了一種可預測齒面接觸質量、降低設計加工成本的新方法。Wra - fluey ring cleaner, green, the body is of micro - porous type, soft and elastic with special surface structure capable of absorbing flying floss, oil, moisture, and static form rubber roller, ring, dent roller, metal duff, so as to keep up elements clean and dry
清潔輥絨圈,綠色,本體為微孔層、柔軟富有彈性、表面有峰谷,可吸附膠輥、膠圈,鋸齒羅拉,金屬道夫表面的微量飛花、油劑、水分、靜電質等,從而保持元器件的結晶乾燥。The main parts such as axles, squeezer, pressing bar and gear are made of advanced alloy steel which has been handled by hardening and can be used everlasting even though in the condition of high temperature and friction consumption all day and all night
本機主軸、榨螺、榨條、齒輪等主要零件,均系優質合金鋼製造,並經過硬化處理,雖日夜處于高溫與摩擦耗損情況下,均能經久耐用。If it does not increase very carefully to protect susceptible to diseases, the most common are stomatitis, oral ulcers, dental caries, gingivitis, pulpitis, periodontal abscess, alveolar abscess, dentin allergies
如若不加仔細保護很容易生病,最常見的有口腔炎、口腔潰瘍、齲齒、牙齦炎、牙髓炎、牙周膿腫、牙槽膿腫、牙本質過敏等。The importance of gearbox - fault - diagnosis consists not only in cutting time and cost of repairing, but also in raising diagnosing accurate, which improves repairing quality and acquires economic benefits dramatically
研究齒輪箱故障診斷技術意義重大,不僅可縮短維修時間、降低維修成本,還可提高診斷準確性和維修質量,創造可觀的經濟效益。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的摩擦潤滑特性和嚙合介質的彈性變形,實現既能改善齒輪的潤滑和動態特性的效果,又能實現低成本、節能、易維護的綠色潤滑齒輪傳動?These characteristics and phenomenons have effect on the quality of gear pump, and it is difficult relatively to research them by theory. at present the research is limited to the phase of examination testing. theoretic research of the characteristics and the phenomenons of polymer gear pump are blank in china when the gear pump feeds the viscous polymer liquid of chemical flow with high temperature and high pressure
齒輪泵除具有流量和容積效率、扭矩和機械效率、功率和總效率等基本特性外,還存在著困油、噪聲和氣穴等現象,這些特性和現象直接影響齒輪泵的質量,對斜齒齒輪泵的這些特性和現象的理論研究難度較大,目前大多仍局限於實驗測試研究階段,而聚合物齒輪泵在輸送化工流程中的高溫、高壓的粘流態聚合物時特性的理論研究在國內基本還處于空白。The author first introduces several problems that interlaced video suffers from : the basic vertical resolution is inadequate for displaying filmlike quality, and interlaced video generates visual artifacts, including edge flicker, shimmering, and diagonal jaggedness. then the author reviews some representative de - interlacing algorithm that has been proposed
論文首先介紹了隔行電視存在的若干個缺陷:對于顯示類似於電影質量的圖像而言,隔行電視的基本垂直解析度是不夠的;隔行電視還會產生許多視覺虛像,例如邊沿閃爍、爬行和鋸齒等,接著簡單回顧了學術界已經提出的經典的去隔行技術。Ltd. the aim of this research is to find out the causes of abnormal axial force that results in fracture of bolts that anchor the shaft of planet gear and rupture of gear by means of force and deformation analysis, thus propose improving project of zl50 wheel type loader to enhance design quality. prime study content in the paper is described in the following
本課題研究的目的是通過該變速箱的均載性能、各部件的受力、變形以及齒輪接觸應力的分析,尋找出直齒行星輪機構產生異常軸向力,從而導致變速箱行星軸止動螺栓斷裂及部分行星輪輪齒崩裂的原因,為柳工zl50裝載機行星齒輪變速箱的改進提出方案,提高設計質量和設計水平。We find that the relations between the electronic effective mass of lowest - lying conduction band and wave vector are resemble, not only for narrow - gap semiconductor zigzag tubes but also for wide - gap semiconductor zigzag tubes. the electronic effective masses at bottom of lowest - lying conduction band depend on their tube - diameters
我們發現,無論是鋸齒型窄隙半導體管還是鋸齒型寬隙半導體管,同一類管的最低導帶的電子有效質量隨波矢變化的規律基本相同,且其導帶底的電子有效質量隨管徑的增大而減小。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
本文對航空弧齒錐齒輪副嚙合質量的檢測與評估提供了一種可行的方法,並能為齒面的修形提供參考依據,在實際設計和製造過程中有重要的科學與實用價值。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,並由位於齒輪中心上的非金屬材質的軸向止推裝置所取代,避免了會導致磨損、振動和噪聲的任何磨擦現象。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
本文對圓柱齒輪的精密模鍛和圓錐齒輪的冷擺輾成形工藝及其力學本質進行了系統的研究,分析了齒輪精密成形的影響因素,確定了齒輪零件一鍛件?電極?模具尺寸的傳遞規律,建立了齒輪精密成形工藝參數、鍛件、預制坯、模具以及電極的設計計算方法鏈。In this thesis, the basic aspects about forming process and mould for cold precision rotary forging of common bevel gear are studied with method of theory and experiment. the rules and numerical relations of dimensional precision relaying among common bevel gear part, die cavity and tool electrode are established. meanwhile, the design and calculation methods for process parameters, mould, common bevel gear forging and preform and tool electrode are established
本論文對傘齒輪冷擺輾精密成形工藝的若干問題進行了系統的理論和實驗研究,深入分析了傘齒輪冷擺輾精密成形工藝的物理力學本質,確定了傘齒輪產品零件?模具?電極之間的幾何尺寸精度傳遞規律和數值關系,建立了冷擺輾精密成形工藝參數和模具、傘齒輪鍛件和預制坯、工具電極的設計計算方法。The paper has begun with existing driving mechanism of horizontal barrel finishing equipment and analysed the reason that creates the family of crank parts machining quality problem. the transmission plan of noncircular gears connect crank - slider mechanism has been presented and mathematical model of driving mechanism has been established. by way of programming operation, simulation analysis and parameter optimization, the feasibility of new plan has been proofed
本課題從現有臥式滾磨設備的傳動機構入手,對造成曲軸類零件加工質量問題的原因進行了分析,提出引入非圓齒輪串聯曲柄滑塊機構的傳動方案,建立了傳動機構的數學模型,通過計算機編程運算及模擬分析和參數優化,驗證了所提新方案是可行的。So, it is of great importance to study multi - tooth meshing effect of three - ring gear reducer to disclose the essence of high loading capacity of three - ring gear reducer, increase loading capacity, minimize design parameters and reduce manufacturing cost
因此,考慮三環傳動中的多齒嚙合效應對于揭示三環減速器大承載能力的本質、提高三環減速器的承載能力、縮小設計尺寸、降低製造成本具有重要的意義。Studies on the formation of dentin - pulp complex in vivo include tertiary dentinogenesis of mature teeth at the dentin - pulp border and pulp regeneration or bioengineering of mature tooth structure by tissues or cells possessed of potential tooth - forming signals
摘要牙本質牙髓復合體在體形成研究包括牙齒發育完成後在各種因素下形成的第三期牙本質和成牙組織、細胞在口腔以外部位形成牙齒樣結構兩方面。分享友人