接頭系數 的英文怎麼說

中文拼音 [jiētóuxìshǔ]
接頭系數 英文
joint efficiency
  • 接 : Ⅰ動詞1 （靠近;接觸） come into contact with; come close to 2 （連接; 使連接） connect; join; put ...
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 接頭 : 1 （連接起來） connect; join; joint 2 （找人聯系） contact; get in touch with; meet 3 （了解情況...
  • 系數 : [數學] coefficient; ratio; modulus; quotient; factor
  1. And due to the heat expansile coefficient of the stainless steel rather high, the connecting force between the stainless steel pipe and the pipe coupling in the room temperature is much less than that between the titanium alloy pipe and the pipe coupling. the results accord with the tensile experiments well. finally, the dependence of dimensions of the coupling on the strength of the connector system is analyzed

    模型計算還表明，被接管材料和管接頭材料之間的熱膨脹系數的差異會造成管接頭系統的室溫強度低於高溫強度；由於不銹鋼的熱膨脹系數較大，使得室溫下1不銹鋼管與n立tinb形狀記憶合金管接頭間的抱緊力遠小於鈦合金管與nitinb形狀記憶合金管接頭間的抱緊力，成功地解釋了拉脫實驗中的結果。
  2. The stress state in the stainless steel pipe - titanium alloy pipe - nitinb shape memory alloy connector system is analyzed by using the theory of solid mechanics and the recovery rules of nitinb shape memory alloy with constrains on the basis of analysis of the structure of the connector system and the all steps in the preparation and the service. a mathematical model for the strength was proposed. the temperature dependence of connecting force and the maximal stress intensity in the pipe connector in the process of preparation and service was studied by programming and computing. the computing results show that the difference of heat expansile coefficient between the coupling material and the pipe material leads to the strength of connector system at room temperature less than the strength at high temperature

    通過分析管接頭結構以及制備、使用的各個步驟，運用固體力學的基本理論，結合nitinb形狀記憶合金在約束下的回復規律，對不銹鋼- -鈦合金管- -四川大學碩士論文nitinb形狀記憶合金管接頭系統內的應力狀態進行了理論分析，建立了強度的數學模型，通過編程計算，研究了不銹鋼一鈦合金管一nitinb形狀記憶合金管接頭系統裝配及使用過程中的抱緊力以及最大應力強度隨溫度變化的規律。
  3. Based on extensive investigation of construction technique history of chinese ancient buildings, the structure method, structure developing history and seismic behavior of chinese ancient timber structure buildings are analyzed in several respects of the structural system and form. through a series of experiments on constituent parts of chinese ancient timber building structure, including the tests on the corbels and brackets called dougong subjected to low cyclic reversed loadings, the tests on the wooden frame using the tenon - mortise joints as connections of column and beam subjected to low cyclic reversed loadings, the tests on vibration isolation effect of friction and slippage between column footing and their socle base, and a series of shaking table tests on a chinese ancient timber structure palace building mode under artificial earthquake at serving conditions, destroyed conditions and reinforced conditions, many valuable results of structures such as moment - curvature hysteretic loops of dougong structure and tenon - mortise joints under low cyckc reversed loadings, the static function, the seismic performance, energy dissipation, vibration reduction, energy - loss mechanism, nechanicalmode and failure mode were studied. aplenty of valuable parameters of the structure system were obtained, such as the natural period of structure, vibration modes, damping ratio, factor of vibration isolation, oscillate amplitude of ineitial accebration, velocity and displacement, magnitude of slippage, and the mechanism of structure failure and collapse etc. based on these research, the complete analysis of ancient timber structure under earthquake were carried out in which including mechanism analysis method, calculating mode, strength analysis of members and joints, strengthening methods for serving damaged ancient timber structure buildings were also taken into account

    依照宋代《營造法式》建造了抬梁式殿堂木結構構件及結構模型，對中國古代木結構中的典型構造如：柱腳在礎石頂面平擱簡支、柱架榫卯連接、柱高不越間之廣、側腳、生起、斗拱等的構造機理及結構功能進行了量化分析和實驗研究： （一）通過木柱石礎靜摩擦試驗，測定了柱腳與石礎古鏡面間的摩擦系數及摩擦力隨上部結構荷載變化的規律； （二）通過單柱承載力試驗，測定了古建築中木柱的受力變形特徵、破壞模式、及模型材料的變形模量、極限承載力、極限變形等參量； （三）通過柱架低周反復荷載試驗，測定了柱架的抗側移剛度、柱架恢復力特性及滯回曲線、榫卯張角剛度及其變化規律、柱架及榫卯的極限承載力和極限變形、及榫卯減振參數； （四）通過斗?低周反復荷載試驗和受壓試驗，測定了古建築木構件與木構件間摩擦系數，斗?抗側移剛度，斗?恢復力特性及滯回曲線，斗?抗壓極限承載力及受力變形規律； （五）通過抬梁式殿堂間架模型振動臺試驗，測定了殿堂木構架結構自振周期，地震反應振形、阻尼特性及阻尼比；按結構分層特點對柱腳、柱頭和斗?層上的屋蓋的地震反應採用多點同步測量，對柱根滑移、榫卯變形、斗?的變形、復位、耗能減振參數等進行了定量分析。
  4. 2. based on the results of experimental data of the tailrace surge tank of yi xing pumped - storage station in jiangsu province, this research investigates the methods for the head loss coefficients of throttled surge tank with linking pipe by means of the method which incorporates experimental results with theoretical analysis

    結合江蘇宜興抽水蓄能電站尾水調壓室水力模型試驗成果，採用理論計算與模型試驗結果相結合的方法，對有連接管的阻抗式調壓室局部水頭損失系數的計算方法進行了討論。
  5. The research includes temperature controlling in deep cool condition, data sampling, relationship between levitation force and levitation gap in different temperature, and relationship between levitation force and temperature in a certain levitation gap - the deep cool condition is provided by g - m refrigerator, and a bent adapter connector fixed on second step cooling head is designed to fix ybacuo bulk

    研究包括深冷環境下的溫度控制；數據採集；不同溫度下懸浮力與懸浮間距的關系及一定懸浮間距下懸浮力與溫度的關系。在g - m製冷機作用下實現深冷測試環境，並設計出固定於製冷機二級冷頭處的轉變接頭以固定高溫超導體。
  6. At the beginning of the paper, a literature review on the domestic and abroad researches of container terminal logistics system is provided introducing some computer simulating model technology apply case on container terminal logistics system on the domestic and abroad ; secondly this article introduce the element and characteristics of container terminal operation system, specially operation flow, controlling principle ( including gate testing principle, ship controlling principle, quay operating principle, yard i / o operating principle, yard running system ), followed by quality evaluating index and empiristic formulas of container terminal. at last, the paper introduces the basic components, layout, loading and unloading process flow of tian jin container terminals, evaluates the related performance parameters and at last introduces some related empiristic formulas based on the historical data of an actual terminal

    本文首先回顧了國內外集裝箱碼頭物流系統的研究動態，介紹了國內外計算機模擬技術在集裝箱碼頭物流系統模擬中的應用情況，然後介紹了集裝箱碼頭作業系統的組成和特點，以及其裝卸工藝、作業流程、操作原則（包括大門檢查箱作業原則、船舶調度管理原則、碼頭前沿操作原則、堆場存取箱作業管理原則、堆場管理系統） ，接著介紹集裝箱碼頭系統的性能評價指標和碼頭通過能力經驗公式及出入口車道數計算，並結合天津港集裝箱碼頭物流系統的特點，系統地介紹了天津港集裝箱碼頭的基本組成、布局、裝卸工藝、作業流程后，評估了集裝箱碼頭物流系統的相關性能指標，並結合實際碼頭的歷史數據，介紹一些相關的經驗公式。
  7. We adopt the positive temperature coefficient real core resistance wire as the heating body and xlpe insulator as the inner core to make the heating cable with pvc coating outside or hdpe sheath. metal screen heating cable has earth conductor and aluminum screen layer or copper web screen layer. the product has advanced tie - in technology and it is safe, reliable and convenience for operation. the performance indexes meet iec800 standard. 3. technology indexes

    本公司生產的發熱電纜採用正溫度系數實芯電阻線發熱體，內芯採用xlpe絕緣，外包覆pvc或hdpe護套，屏蔽發熱電纜具有接地導線和鋁殼屏蔽層或銅網屏蔽層採用先進的接頭工藝，施工安全可靠方便性能指標符合iec800標準要求。
  8. The product has the main component of rubber vibration insulation, and the effect of vibration insulation is outstanding. it can be applied singly to the vibration insulation of different aerial pipelines. and it can be matched with flexible rubber joint and rubber vibration insulation pad to different pipeline system for better effect. it is convenient to install and apply with good performance of strike resistance and big safety factor. there are 2 types and 6 specifications of product, special specifications are also offered

    該產品以橡膠隔震元件為主要組成部份，隔震效果明顯，可單獨用於各種架空管道的隔震，也可與可曲撓橡膠接頭橡膠隔震墊配套用於各類管道系統，以取得更好的隔震效果，產品安裝使用方便，抗沖擊性能好，動載安全系數大。
  9. Results show that the brittle fracture is mainly caused by hydrogen brittleness that results from the oxidation arid absorbing hydrogen of copper tube during braze welding

    同時在加熱和冷卻時，由於異種材料的熱脹系數差別過大，產生的較大熱應力作用於已存在的裂紋，促使裂紋二次擴展，甚至使得晶粒脫落產生空洞，最終導致焊接接頭漏氣失效。
  10. The planeness and integrality of the flier - plate were ensured effectively by exerting restrictive pressure, controlling heating and cooling rate, lowering welding temperature or reducing welding time as much as possible, etc. theoretical model of creating quasi - isentropic compression via 93w - ofc - tc4 - a1 - mb2 system flier - plate with graded wave impedance was established, and numerical simulation of the impact process was then carried out

    採取施加外部機械力、控制升降溫速率以及盡量降低焊接溫度或減少焊接時間（防止脆性金屬間化合物的過度增長）等措施，確保了焊接接頭的平整性和界面結構的完整性。建立起梯度飛片擊靶的理論模型，對93w - ofc - tc _ 4 - al - mb _ 2系波阻抗梯度飛片的擊靶過程進行了數值模擬計算。
  11. According to the model of structure fatigue damage fractal evolution, the relation between macro - damage variable, fractal damage variable and fatigue life can be found, and the fatigue damage evolution equation of ti alloy tc11 welded joint can be built, and the method of more forecast fatigue damage is given

    根據結構疲勞損傷分形演化模型，通過對tc11鈦合金焊接試件的疲勞試驗和疲勞斷口分維數測量，得到了宏觀損傷變量和分形損傷變量與疲勞壽命的關系，建立了tc11鈦合金焊接接頭的疲勞損傷演化方程。給出了進一步疲勞損傷量預測的方法。
  12. According to the measuring result of fatigue fracture fractal dimension, it gets the relationship curve of ti alloy tc11 welded joint fracture fractal dimension with loading strain range, and the method of fatigue life forecasting fatherly. 3

    根據疲勞斷口分維數的測量結果，獲得了tc11鈦合金焊接接頭斷口分維數與其疲勞壽命的關系曲線，以及斷口分維數與最大加載應變之間的關系曲線，給出了進一步疲勞壽命預測的方法。
  13. The result shows that the new control system has convenient parameter modification, perfect controlling flexibility, rapid dynamic response speed, stable welding procedure ; the das of welding parameters has strong ability of anti - disturbance and the data is reliable. the control effect and practicability of the diagnosis system judging the welding quality are both good by using the characteristic values of welding process such as the percentage of the flashing time. gray - spots flaw in flash welding joints of rail is the least when the pole moves to and fro at the same velocity and the speed is slow

    結果表明：新型控制系統參數設置修改方便，控制柔性好，動態響應速度快，焊接過程穩定；焊接參數採集系統抗干擾能力強、數據可靠；以閃光時間百分比等焊接過程特徵量為判據診斷焊接質量效果好，實用性強；當動立柱的前進、後退速度相同且為低速時，鋼軌接頭中灰斑缺陷數量最少。
  14. Timber fasteners - characteristic load - carrying capacities and slip - moduli for connector joints

    木材緊固件.連接器接頭的特徵載荷能力和滑脫系數
  15. In order to ensure the whole system operate economically, power department equip transformer with onload tap changer and shunt capacitors for most distribution substations, according to the operating condition, adjusting the position of transformer taps and capacitors can control the variation of voltage and reactive power exchanger of distribution substations and power system in certain extent

    為確保整個系統運行經濟性，降低網損，電力部門在大多數變電站配置了有載調壓變壓器和並聯補償電容器組，根據運行情況適當調節變壓器分接頭的位置和投切並聯補償電容器組，可以降低電壓變化和變電站與系統的無功交換控制在一定的范圍內，確保供電質量和電網運行的經濟性。
  16. The stress fields in misaligned welded joints, " t " type of plate welded joint, flanged beam and perpendicular flanged beam are calculated respectively, and their stress concentration factors formulation are obtained

    採用這兩類單元計算了錯位板接頭、 t型板接頭、工字梁焊接鋼結構和工字梁十字接頭的應力場，得到了相應的理論應力集中系數公式。
  17. The structure bearing capacity of the hierarchy scaffold may cause certain difference by shifting its joint positions, altering its scaffold layers and choosing erect modes of whether false sway rods are used or how many ones are used

    還原翻譯：系統鷹架的結構承載力因不同架設會出現一定差異，如接頭位置的改變、鷹架層數的更改和架設方式的選擇，架設方式指有無假設斜桿和幾根斜桿。
  18. In chapter 4, a joint power control algorithin is proposed, in which the performance of muhuser detection and the itefation mechanism of the coefficients of receiver filter in mulhuser detection are considered, and a new joint power control algorithin based on mmse multiuser detection is proposed finally

    本文在第四章中提出的聯合功率控制演算法考慮到了多用戶檢測的效果，將多用戶檢測過程中接收機濾波器抽頭系數的更新機制引入到功率控制演算法中，提出了基於多用戶檢測的聯合功率控制演算法。
  19. In this paper, the relaxation resistance at high temperature of the nitinb alloy and its recovery characteristics with various constrains were studied, subsequently the mathematic model for the strength of the nitinb pipe connector was proposed to investigate the temperature dependence of the strength of the connector, and optimal design for the pipe coupling was brought forward

    本文主要研究了nitinb合金高溫下的抗鬆弛性能，以及nitinb形狀記憶合金在各種約束下的回復特點，然後利用固體力學知識，建立了nitinb管接頭系統強度的數學模型，研究了管接頭系統強度隨溫度變化的規律，並對管接頭進行了優化設計。
  20. The following work has been done in this paper : the load characteristic and design calculation method of spring are systematically studied. the method of using assembled springs to simulate flexible joint is presented, and then the structural configuration of simulation joint is given. the method above - developed can be used to calculate the parameters of the simulation joint on the given load and displacement conditions

    主要內容包括以下幾個方面：從彈簧的受力特性出發，系統地研究了彈簧的受力及設計計算方法；通過受力特性分析，提出了採用彈簧組合的形式來模擬柔性接頭的設計方法，並給出了模擬接頭的設計形式；結合理論方法，開發了能夠用於給定載荷和位移條件下計算所需模擬接頭參數的應用軟體，並給出了模擬接頭參數設計的算例。
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