等軸性 的英文怎麼說

中文拼音 [děngzhóuxìng]
等軸性 英文
isotropy
  • 等 : Ⅰ量詞1 （等級） class; grade; rank 2 （種; 類） kind; sort; type Ⅱ形容詞（程度或數量上相同） equa...
  • 軸 : 軸Ⅰ名詞1. （圓柱形的零件） axle; shaft 2. （對稱部分的直線） axis 3. （圓柱形的纏繞器物） roller; spool Ⅱ量詞（用於纏在軸上的線以及裝裱帶軸子的字畫）
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  1. 2. to the circular plate working in axial symmetry vibration at resonant frequency, the equivalent mass in analytical form is derived, that ' s is, and further, the equivalent compliance is obtained using the formula c = 1l 2 m

    對于工作在諧振頻率下做軸對稱運動的階梯圓板，採用解析法求得它的等效質量，並由c = 1 / ~ 2m求得等效彈性系數。
  2. In view of bearing capacity of the elastoplastic theory analysis, the author made a comparison between the achieved bearing capacity limit load pi / 4 of round base ( space problem ) and the limit load pi / 4 of bar groundwork foundation design ( plane problem ) from soil mechanics at home and abroad as well as foundation criterion, and explained why the value of formula in present design criterion from soil mechanics is inclined to be conservative. in the light of the author ' s many years experience of vibration test on the spot and the research work of relevant projects, the author worked over the dynamic pile testing of the bearing capacity of foundation and batholith, and gathered the parameter of dynamic analysis and testing. the author also talked over the difficult point of pile foundation design criteria in present batholith engineering world, i. e. the confirmation of batholith bearing capacity of pile end, from the following aspects : a ) confirmation of single axis counter - pressure strength of rock in house ; b ) f. e. m calculation of elastoplastic model ; c ) calculation of soil mechanics ; d ) deep well load test

    然後，對巖土工程領域至今尚未解決，甚至不為人注意的考慮地基變形的地基承載力問題進行了實用化的探討，提出了考慮地基變形的地基承載力上程計算方法；對基於彈塑性理論分析的地基承載力國內尚未見報道的空間問題得到了圓形基礎（空間問題）的承載力界限荷載p _ （ 1 / 4 ） ，並與國內外土力學專著及地基基礎設計規范中的條形基礎（平面問題）的界限荷載p _ （ 1 / 4 ） ，進行了對比，從而定量上解釋了目前設計規范引用土力學承載力公式值偏於保守的這一情況；根據本文作者多年從事現場地基工程振動試驗及相關課題的研究工作，本文以截頭錐模型模擬地基，對地基（巖基）承載力的動測法進行了研究，為各類地基（包括巖基） ，匯總了動力分析和檢測川的參數：針對日前巖土工程界應用樁基設計規范中的難點? ?樁端巖基承載力的確定問題，從巖石室內單軸抗壓強度確定、基於彈塑性模型的有限單元法計算、土力學計算及深斤載荷試驗四方面進行了深入討論；本文作者根據多年現場載荷試驗的工程實踐，對深井荷試驗裝置的核心部分? ?反力裝置，設計了側壁支撐反力加載系統，該加載系統具有實用、簡便、穩定及安個等優點。
  3. And rock triaxial serve testing system is used, through model test involving bedded planes and a set of joint normal to the bedded planes in rock mass, multiple sliding failure affected by properties of joints and confining pressure is analysed, the condition triggering multiple sliding failure and characteristics of failure plane are given, under the co - action of inclination of connective joints ( bedded planes ), interlocking conditions of critical joints and confining pressure

    並在室內利用巖石三軸剛性伺服機，通過模型試驗對巖體的層面和一組與層面正交的節理的情況進行模擬研究，分析了結構面性狀和圍壓對復合式滑移破壞的影響，給出了在貫通性結構面（層面）傾角、非貫通性結構面以及圍壓等因素共同作用下，節理化巖體發生復合式滑移破壞的條件以及破壞面特徵。
  4. With carbureted high - strength good - quality alloy, the series has the feature of high - efficiency and long life - span, high permissible axial and radial loads, low noise, high reliability and compact structure and so on configuration modality

    採用高強度優質合金鋼滲碳游淬火，具有高效率高壽命輪及高許用軸向，徑向載荷，運行噪音低，可靠性高，結構緊湊等優點。
  5. This article takes the lagrange equation as the principle, establishes mathematics modeling to the inertia brake vibration when it brakes, then simulates it with matlab. this paper educed the relation equations between, which are the inertia brake ' s friction coefficient of the brake ring and the friction disk, the mean radius, the braking force, rotation inertia of the driving top and the spline shaft, spiral climbing angle of the brake ' s concave - convex helicoid, the mean effort radius of the concave - convex helicoid, elasticity coefficient of the spring, quality of the driving top and the spline shaft, rotations inertia of the brake ' s rotation part besides the driving top and the spline shaft, suppresses sleeve. provides the theory basis for the inertia brake structure optimization

    本文以拉格朗日方程為理論基礎，對慣性制動器在制動時的振動進行數學建模，然後用matlab對其進行模擬，得出了慣性制動器在制動時振動角頻率分別與制動環和摩擦片之間的摩擦系數、制動力的平均半徑、主動頂和花鍵軸的轉動慣量、慣性制動器的凹凸螺旋面的螺旋升角、凹凸螺旋面平均作用力的半徑、彈簧的彈性系數、主動頂和花鍵軸的質量、慣性制動器除主動頂和花鍵軸外其他部分的轉動慣量和、頂壓套的質量等慣性制動器各零部件的物理參數之間的關系，為慣性制動器的結構優化提供了理論依據。
  6. Effective approaches of forming & refining cc is also presented correspondency. this paper, taking xibei group as an object of study, discusses cc in detail using the method of quantitative & qualitative analysis, theory & practice analysis, enriches the theory related cc, establishes a set feasible indicator system of cc evaluation, presents some effective approaches to form & improve cc. the research conducts in this paper is also useful for other enterprises

    本文運用比較分析、系統分析、定性與定量分析、理論與實踐分析等方法，以西軸集團為研究對象，對核心競爭力做了深入研究，豐富了有關企業核心競爭力的理論；建立了一套可操作性強的評價指標體系，一定程度上彌補了核心競爭力知識在此方面的不足，為核心競爭力的量化做了有益探索；提供了一些有效的培育和提升的途徑和方法，對那些可望塑造核心競爭力的企業具有參考價值。
  7. When the specimens are deformed in a long time at the optimal superplastic deformation condition, the microstructure is coarsened sharply. if the deformation time is shortened properly or the deformation temperature is decreased appropriately or strain rate is increased, homogeneous and fine equiaxed crystal microstructure can be obtained

    在最佳超塑性條件下長時間變形時，合金顯微組織將發生明顯粗化，適當縮短變形時間、或適當降低超塑變形溫度及提高應變速率，可得到均勻細小的等軸組織。
  8. Pressure that this series the machine still have the extensive and in general use, be applicable to the every kind of plastic to process with take shape, if wash to press, squeeze, flection, fold the side, rivet jointing, orthopedics etc. ; stalk the pressing of set spare parts pack ; the plastics and what powder product inhibits ; stalk with other is similar to the correcting of spare parts ; the pressing of zero parts packs, and the pulling of spare parts of small scaled plank form stretch, type, fall material, press to print various uses of etc

    本系列機器還具有廣泛的通用性，適用於各種塑性材料的壓力加工和成形，如沖壓、擠壓、彎曲、折邊、鉚接、整形等；軸套類零件的壓裝；塑料及粉末製品的壓制；軸類和其他類似零件的校正；零部件的壓裝，小型板形零件的拉伸、成型、落料、壓印等多種用途。
  9. The results indicated that the dimension, shape and purity of base material could meet the functional demand of solid lubricant ; the thermal decomposition temperature of ptfe resin exceeds 400 c, but organic and inorganic packing filler added in ptfe made the water absorption rate of composite material increased, melting temperature and decomposition temperature decreased, in the meanwhile oxidative decomposition reaction was accompanied ; polar groups such as c = o, c - o - c and so on in the carbon fiber surface is advantageous to increase compatibility with other components and interlayer shearing strength ; uniform design experimental method could help to find the relationship between formula and frictional property by relatively small tests. the developing trend of each formula ' s friction coefficient could be showed by fitting curve ; the friction coefficient with no copper powder or graphite in formula was relatively big. this fact showed that copper powder and graphite should be used cooperatively ; it was found that when the ratio of copper powder to graphite by weight is 15 : 60, 30 : 30 - 40 and 60 : 15 - 30 respectively, the friction coefficient was relatively small. the degree of crystallinity of pure ptfe reached maximum by air cooling and the abrasion loss also reached maximum among three ones ; at the same time, the abrasion loss of solid lubricant sample was also the biggest among three ones ; when solid lubricant matched with 45 # steel axle or gcrl5 steel axle, lubricant transfer film could be formed on metal surface, thus direct contact between the surface of metal friction pair rings was reduced. their working life was elongated extremely ; there was mainly much graphite, a little ptff, moo3, feso4, cus and so on in lubricant transfer film

    試驗結果表明：所選原料的尺寸、形狀及純度可滿足固體潤滑劑的性能要求；聚四氟乙烯樹脂熱分解溫度超過400 ，但在ptfe中加入無機填料會使復合材料吸水率提高，熔融溫度及分解溫度降低，且伴有氧化分解反應；碳纖維表面含有c = o及c - o - c等極性基團，有利於提高其與其它組分的相容性，提高層間剪切強度；均勻設計試驗方法能夠用較少的試驗次數找出配方與摩擦性能間的關系，擬合曲線基本能表示各配方的摩擦系數發展趨勢；配方中不加銅粉或不加石墨，其摩擦系數均較高，說明銅粉和石墨應該配合使用；當銅粉15份、石墨60份時，銅粉30份、石墨30 - 40份時，銅粉60 、石墨15 - 30份時，摩擦系數均具有較低值；純聚四氟乙烯樹脂在空氣冷卻時結晶度最大，磨損量也是三者中最大的；同時，固體潤滑劑試樣在空氣冷卻時的磨損量也是三者中最大的：不論是固體潤滑劑與45 #鋼軸配副或是固體潤滑劑鑲嵌入銅套后與gcr15鋼軸配副，在金屬表面均可形成潤滑轉移膜，從而減少金屬摩擦副表面間的直接接觸，大大延長其使用壽命;轉移膜中主要含有較多的石墨、少量聚四氟乙烯、 moo 。
  10. Abstract : the crystal structures obtained by static solidification and vibration solidification were compared. it was showed that, in the case of vibration solidification, the orientation growth of the columnar crystal was not obvious, the equiaxial crystal appeared more early. the grains of both types of crystals were quite fine, hardness in the full section was relatively high, and the hardness distribution was uniform. in the former case, the solute segregation in dendritical austenite more severe, and there were lumps of distortion inclusion

    文摘:對球鐵金屬型靜凝固與振動凝固的結晶組織對比表明：後者柱狀晶方向性生長較弱，等軸晶出現較早，且兩者的晶粒均較細，全斷面硬度較高且分佈均勻；前者枝晶奧氏體內溶質偏析大，有畸變夾雜團塊。
  11. The method samples the signals of spindle vibration displacement and the spindle electrical machinery power signal using the synchronized sampling technique. as the two kinds of signals are all non - contact pick - ups, this method is very suitable for the machining centre

    對加工中心銑刀破損監測，提出了利用主軸振動位移信號和機床主電機功率信號進行監測的方法，由於採用非接觸測量，非常適合於加工中心等柔性加工設備。
  12. The analysis of dynamics characteristic of shaft rotor in high spindles is one of the important contents that directly decide the designing function of shaft. the dynamic characteristics have immediate effect on the manufacturing precision and efficiency, the lives of bearings, as well as working of the key components

    高速軸系的轉子動力學性能的分析設計是直接決定主軸性能設計的一項重要內容，主軸的轉子動力學特性對機床的加工精度和效率、主軸軸承的壽命和其它關鍵部件的正常工作等方面都有著至關重要的影響。
  13. The studying results indicated that : three typical microstructures were abtained when ct20 alloy were annealed under different temperature, that is, equiaxed microstructure ( annealed at t1, t2 and t3 ), bimodal microstructure ( annealed at t4 and t5 ) and lamellar microstructure ( annealed at t6 ). the effect of microstructure on rt tensile properties was weak, while at 20k was notable

    研究表明： ct20合金冷軋態管材通過熱處理可以獲得三種典型的組織類型，即等軸組織（ t1 、 t2和t3制度） 、雙態組織（ t4和t5制度）和片狀組織（ t6制度） ；顯微組織對ct20合金的室溫性能影響不大，而對20k下性能的影響則較明顯。
  14. In order to satisfy the customer ’ s more strict command to the inertia brake, changsha sanzhan inertia brake co., ltd. and hunan university allied to develop a set of equipment of inertia brake test rigs, which can test and research the property of starting torque, braking torque, vibration of axis and so on to all kinds of models and specification of inertia brake to improve the property and quality of product

    為了滿足用戶對慣性制動器產品提出的更高要求，長沙三占慣性制動有限公司和湖南大學合作開發一套慣性制動器試驗臺裝置，對各種型號及規格的慣性制動器的起動力矩、制動力矩、軸向振動等特性進行測試和研究，以改進產品性能和提高產品質量。
  15. The key problem of magnesium application is its poor forming ability, so it is very important to find an effective grain refiner for magnesium alloys

    實踐證明，細小等軸的晶粒組織能改善其塑性變形能力，因此找到一種實用有效的工藝來細化鎂合金晶粒就顯得非常重要。
  16. This algorithm has high implementing speed and good reliability, because it makes use of opengl ' s high ability of process display buffer, deep buffer and stencil buffer efficiently. unlike the isometric projection algorithm this algorithm can display workpiece from any direction. 5

    我們充分利用了opengl提供的高速處理顏色緩存、深度緩存和模板緩有的功能，使得實現的演算法不僅運行速度快、穩定，而且克服了等軸測投影演算法不能在任意角度顯示工件加工過程的缺陷，具有一定的先進性。
  17. The formation of a new set of strain - free grains within a previously cold - worked material ; normally an annealing heat treatment is necessary

    在冷塑性變形材料的內部生成等軸狀新晶粒的過程叫再結晶，通常發生於再結晶退火熱處理過程中。
  18. Also the failure modes and the cracking torque, original stiffness, ultimate torsion strength and ductility are discussed in this case. the factors affected torsion bearing capacity of high - strength concrete frame column is analyzed too. the seismic performances of normal - strength and high - strength concrete frame column subjected to biaxial eccentric compression, shear and reversed torque are studied

    以軸壓比和相對偏心距為主要研究參數，揭示高強鋼筋混凝土構件在單向、雙向偏壓剪單調、反復扭矩作用下的破壞特徵、開裂扭矩、剛度、強度、延性等特性，分析了影響高強混凝土框架柱抗扭承載力的因素。
  19. By tests of 9 specimens subjected to biaxial eccentric compression, shear and reversed torque, the failure modes and the varying laws of cracking torque, original stiffness, ultimate torsion strength and ductility are discussed, with the change of axial stress level and relative eccentricity. then, the cracking bearing capacity, the ultimate capacity and the deformability of the specimens are obtained

    通過9根承受雙向偏壓、彎、剪構件在反復扭矩作用下的試驗研究，以軸壓比和相對偏心距為主要研究參數，揭示鋼筋混凝土構件中雙向偏壓剪反復扭矩作用下的破壞特徵、開裂扭矩、剛度、強度、延性等特性和耗能性能，從而確定其開裂承載能力和極限承載能力及變形性能。
  20. The elastic effect is different from the effect of rigid support, in this paper, a spindle is simplified as one - disc rotor or multi - discs rotor. by the rules of riccati transfer matrix, the varieties of dynamic properties, inherent frequency and main vibration model of the rotor are calculated

    主動磁軸承支承是彈性的，將主軸分別簡化為單圓盤轉子、多圓盤轉子等進行研究，應用傳遞矩陣法計算出在支承剛度變化時的轉子動態特性、固有頻率和振動主模態等特性的變化。
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