階式試驗 的英文怎麼說

中文拼音 [jiēshìshìyàn]
階式試驗 英文
step test
  • : 名詞1. (臺階) steps; stairs 2. (等級) rank 3. [醫學] (耳蝸的三個螺旋管的任一個) scala 4. [數學] order 5. [地質學] stage
  • : 名詞1 (樣式) type; style 2 (格式) pattern; form 3 (儀式; 典禮) ceremony; ritual 4 (自然科...
  • : 名詞(古代占卜用的器具) astrolabe
  • : 動詞1. (察看; 查考) examine; check; test 2. (產生預期的效果) prove effective; produce the expected result
  • 試驗 : trial; experiment; test
  1. By making some assumptions, collision frequency were presented. then the the flocculation kinetics model was established through population balance equation. comparison of experimental data and modeling results indicate that there are the same trend between the two. so the model can predict floes number and size during flocculation of yellow river ' s loess particles without using empirical parameters. the tem and sem were used to obsever floes in the study of floe structure. the flocculation was divided as flocculi, floc and floe aggregate. the floes structure model was established by assumption that particles position in floe accords with tetrahedron. the fractal dimension of model and experimental floes was found to be coincidentso the model can reflect the structure of flocs formed in flocculation of yellow river ' s loess particles by macromolecule flocculant at a certain extent

    最後,本文還對絮凝動力學和絮體結構進行了研究,在前人研究的基礎上,針對高分子絮凝黃河泥沙,對絮凝過程作了一些符合條件的假設,建立了顆粒碰撞頻率表達,應用了顆粒數量平衡方程,從而建立了絮凝過程的動力學生長模型,模型計算結果與數據對比表明,二者趨勢一致,在沒有使用經參數的情況下基本上能夠描述黃河泥沙絮凝過程中絮體數量和尺寸分佈的變化過程;對絮體結構的研究中,應用掃描電子顯微鏡和透射電子顯微鏡對絮體進行了觀察,將絮體分為絮粒、絮團和絮網三個不同的生長段,通過假設顆粒結合位置符西安建築科技大學博士學位論文合正四面體,建立了絮體結構模型,計算得到的模型絮體分形維數基本與中的實際絮體相符,在一定程度上能夠反映高分子絮凝黃河泥沙生成的絮體結構。
  2. This test is based on homogeneous soil in foundation, and divided into two phases. the first is to stimulate the construction flow to excavate the pit ; the second phase is destructive test. because the pit is stable in the first phase and the research is point to the geometry shape of the failure surface, moreover, limited to the test condition, the effective surface force is applied to the pit

    此次模擬主要是針對簡單均質的基坑土層進行研究,分為兩個段,第一段主要是以相似工況模擬基坑開挖,第二段主要是破壞性,即由於在第一段基坑在開挖范圍內能夠自穩,為使基坑達到破壞狀態以研究滑面幾何形態,限於條件,採用「等代面力」的方施加超載。
  3. Based on the pseudo - static experimental results of nine abnormal joints, the damage process of abnormal joint is divided into four stages of original crack, entire crack, ultimate state and failure, the effect of axial force ratio, stirrup ratio and height of column section on seismic behavior of abnormal joint are discussed, the conclusion that anti - shear capacity of abnormal joint are studied in entire crack state by studying the minor core of abnormal joint is made, the calculating formula for anti - shear capacity of abnormal joint is proposed with a view to asymmetry in stirrup yield

    摘要根據9個鋼筋混凝土框架異型節點件的擬靜力結果,指出異型節點受力過程分為初裂、通裂、極限和破壞4個段;討論了軸壓比、節點核芯配箍率、柱截面高度變化對異型節點抗剪性能的影響;提出應考慮節點核芯區箍筋屈服的不均勻性並在通裂狀態下以「小核芯」為分析單元來研究此類節點抗剪承載力的建議;最終給出了異型節點抗剪承載力的計算公
  4. On the basis of the experimental research, its hysteresis characteristics, calculation method of stiffness in different stage and ultimate bearing capacity are discussed. based on a seismic design method on the new lateral resistant system is concluded according to the research result in the paper. the effect of some parameters is discussed on steel frame with cavity sandwich wall infill and some design suggestion is presented

    研究的基礎上,建立了該體系的恢復力特性模型,提出了模型各受力段的剛度計算公、極限承載能力的計算方法和抗震計算方法;對影響空腔結構砌體填充墻鋼框架抗側力性能的因素進行了討論,提出了設計建議。
  5. It shows that the method and the results can be used for designer, capital construction manager and researcher reference. 6 > the statistic parameters of load effect and resistance on fatigue reliability are studied in the paper. according to statistic analyzing of the real data from spot and the old test data, the fatigue reliability is calibrated on 8 details, which are provided in the code, by first order second moment ( fosm )

    6 、通過鋼結構吊車梁實測資料與以往疲勞資料進行統計分析,提出了荷載與抗力的統計參數,用一次二矩方法對鋼結構規范中規定的8類連接和構造型的疲勞可靠性進行了校準分析,根據計算結果給出疲勞目標可大連理工大學博士學位論文一靠指標的建議值與分項系數的設計表達
  6. Though much progress has been achieved in previous study, there still remains a lot to be studied and perfected. the thesis is devoted to study on the multi - ribbed slab wall, the main bearing member in mrss, including its mechanism, failure mode, aseismic capability, mechanical models, ultimate bearing capacity and aseismic design based on control. the paper mainly accomplished such work as follows : 1 ) based on test research on multi - ribbed slab wall, the paper proposed the member ' s failure modes under horizontal loads, analyzed the co - performance between the inner frame and the infilled silica bricks and that between the slab and the outer frame, discussed the wall ' s bearing capacity, rigidity, deformation, ductility and energy dissipation ability in different modes, and put forward a simplified mechanical model of the slab wall under vertical loads

    本文針對密肋壁板結構的主要受力構件? ?密肋復合墻體為研究對象,就其受力機理、破壞模、抗震性能、三段力學模型、極限承載能力以及基於控制的抗震設計方法等進行了較為詳細的研究,完成的主要工作有: 1 )通過對密肋復合墻體在水平低周反復荷載和單調荷載作用下的研究,提出了墻體的主要破壞模;分析了框格與內部填充砌塊、墻板與外框的共同工作的受力特點;探討了不同破壞模情況下墻體的承載能力、剛度、變形、延性、耗能等抗震性能,並給出了豎向荷載作用下密肋復合墻體的簡化力學模型。
  7. 6. a new method that adopt small exciter emulation to the dual - shaker vibration system and research the numerical electric current phase synchronous controller, thus

    6 .提出採用小型激振器模擬並聯雙振動臺進行數字電流相位同步控制器研究的方法,從而降低同步控制器在研製段的成本,並且避免同步控制器的不確定性給振動臺造成損傷。
  8. Based on the experimental results, in concrete limitation stress sandwich first stage ' s ability and one - way and two - way precast slabs sandwich, results content code require - second class crack control. resistant crack calculation is appropriate. because post - tensioned prestressed advances plane ' s resistant crack. deformation and section strain measure accord with calculation results, this indicates 3d - gridding beams modulus is reasonable to precast slabs sandwich

    本文通過對數據的分析總結,認為:單塊夾層板第一受力段的性能及單向和雙向裝配整體夾層板的性能,滿足《混凝土結構規范》 ( gb50010 - 2002 )中關于預應力樓板的二級裂縫控制等級的要求,抗裂設計得當;由於板縫無粘結預應力筋的存在提高了板的抗裂性。
  9. An efficient wind field simulation technique for wind - induced vibration analysis of long - span bridges is first introduced in this paper , and the statistic characteristics of the simulated wind field are then discussed on this basis , the time - domain expressions for the buffeting and self - excited forces acting on long - span bridges are further given a simple and practical method is presented for the non - linear parameter identification involved in the calculation of self - excited forces by using the above theory , the wind field and aerodynamic forces acting on the hong kong ting kau bridge are obtained the time - domain buffeting response analysis of the bridge shows that the analytic results agree quite well with the experimental ones this indicates that the theory presented in this paper has reached a practical level

    介紹了一種快速高效的用於大跨度橋梁風致振動分析的風場模擬方法,並對模擬風場的統計性質進行了討論和證在此基礎上進一步給出了大跨度橋梁抖振力和自激力的時域表達方,其中針對自激力計算中涉及的參數識別問題,提出了一種簡單實用的非線性參數識別方法本文採用上述理論,獲得了作用於香港汀九大橋上的風場和氣動力,據此對大橋進行的抖振響應時域分析表明,計算結果與風洞結果吻合良好,說明文中述及的這套理論已達到實用的
  10. Taking the reinforced soil retaining wall ( rsrw ) of heyuan - longchuan highway as the prototype, the structural characteristics of stepped rsrw were investigated by model tests

    摘要以河龍高速公路加筋土擋墻為原型,對臺加筋土擋墻的結構特性進行了模型研究。
  11. Experimental study on united energy dissipator with grid and stepped spillway

    格柵與溢流面聯合消能工的研究
  12. In the paper, other research results are summarized, and a big test model indoor of row pile retaining and protecting deep foundation pit is designed. for homogeneous soil or samdwich soil structure three different retaining and protecting kinds : dense pile, thin pile and without pile are designed, using excavation simulation and loading on the top of slope, the model test is divided into two stages : foundation pit excavation simulation stage and destroy test stage. in this paper, for three different retaining and protecting kinds, the relation between soil pressure and displacement of piles, the relation between soil stress and strain, interaction of pile and soil and retaining and protecting loss - stability destroy are systemic studied

    本文總結了前人研究成果,構築大型室內深基坑排樁支護模型,在均質及層狀土層結構地基上,設計了密排樁、疏排樁及無支護三種不同支護型,採用模擬開挖與坡頂均布加荷方,進行了模擬基坑開挖和破壞性的兩個,對三種不同支護型的土壓力與樁位移、土體應力與變形、樁土共同作用及支護結構失穩破壞進行系統研究。
  13. Based on analysis and comparison of existing test data applied to existing ultimate strength prediction models, interfacial stress at the end of plate is deduced. after formulas for calculating the effective moment of inertia for frp - strengthened beams being revised and adjustment coefficient related to nominal main steel reinforcement ratio and curtailment length ratio being put forward, strength prediction formulas of compound beams under plate end debonding failure are established. in analysis of strength of compound beams under intermediate crack induced interfacial debonding failure mode, several bond strengths and their relation are introduced

    對于板端剝離破壞,在總結現有承載力模型的基礎上,利用已有數據對各承載力計算公進行了分析比較,進一步採用分段分析法,推導了板端界面應力的計算公,在此基礎上,採用加固復合梁有效慣性矩的修正公,建立了考慮名義配筋率和板端偏移比影響的板端剝離破壞梁承載力的計算公;對于跨中受彎裂縫導致的粘結破壞,闡述了常見的幾種粘結強度之間的區別和聯系,並基於拉剪粘結強度,提出了跨中受彎裂縫導致粘結破壞的承載力計算公,並利用現有結果確定了模型中的一些參數;最後,利用數據對本文建立的兩種粘結破壞承載力計算公進行了檢,結果基本吻合。
  14. The scheme was introduced on 1 april 2003 on a trial basis for one year to support projects leading to " pre - production prototype stage " development of new and innovative products in consumer electronics sector

    計劃於二零零三年四月一日以推出,為期一年,以支援開發嶄新和具創意的電子消費產品,直至有關項目達到"生產前的原型研製段"為止。
  15. Then the whole scheme design and research of the system are given. and then based on the deep comparisons among the variable switch indicators, the reliability of communication between the main communicating machines and data transfer is studied, and the detail method for realization is presented too. at last, the system design is proven to be fully feasible by the actual development and simulation experiment, and the prospective aim is achieved in the session of connection and actual emulation experiments

    論文中首先詳細介紹了系統研製的目的、組成、完成的功能,其次給出了系統的整體方案設計和研究思路,再次著重對道岔表示器的多種制進行了深入的研究和比較,並在此基礎上對主通信機及數據通信的可靠性進行了研究和設計,給出了具體的實現方法;最後進行了實際的製作,並通過證明本設計是完全可行的,在系統聯機和現場模擬段達到了預期的設計目的。
  16. A great lot of analysis and experimental results indicate that the experiential formula can give more exact order than traditional methods, such as a1c, b1c, cat and svd

    大量的與計算機模擬表明,該經在簡訊號的分析中優于傳統的信息量準則以及基於線性代數方法的奇異值分解( svd )定演算法。
  17. The results of numerical experiments, using the four - dimensional variational data assimilation system of the nonhydrostatic mesoscale model mm5, show that : the tangent linear model and adjoint model conducted by keeping the " on - off " switches the same as the basic state, can provide a good approximation of the first - order information to the nlm perturbation and a good descent direction for the minimization procedure ; switching on and off at every other time step in the kuo cumulus parameterization scheme do n ' t impact the convergence rate of cost function ; the existence of the switches do n ' t impact improvement to the mm5 model rainfall prediction because that not only specific humidity, but also wind, temperature and pressure are assimilated into the model

    非靜力中尺度數值模mm5的四維變分資料同化系統進行的數值結果表明: 「開關」變量保持與基態一致,所構造的切向線性模能夠提供關于非線性模擾動的一近似,伴隨模所計算的梯度值能夠為最小化過程提供較好的下降方向;郭氏降水參數化方案中對流每隔一個積分步的交替發生並不影響目標函數最小化的收斂速度; 「開關」變量的存在也不影響將風、溫度、氣壓和比濕結合起來同化對mm5降水預報準確性的提高。
  18. Based on state - vectors load transfer method, this paper presents a new reliability analysis method of bored pile settlement. in the light of the eight full - scale piles, tests of the uncertainty analysis of pile settlement calculating by the new method is given. at last, this paper also analyzes the reliability of one of the eight piles

    根據樁周阻抗三段理論,提出了用荷載傳遞計算單樁沉降可靠度的方法,根據8根樁靜載及其原位測資料,對該方法計算模的不定性作了分析,並對其中一根樁的沉降進行了可靠度計算。
  19. 3. based on theoretical analysis and experimental results, the high relative humidity was diffcult to maintain in the closed tissue culture system when all of the fluorescent lamps were turn on, because of deficiency of the humidifier ' s capacity and air ventilation by top air nozzle outlets and return air in the bottom. 4

    根據對加濕過程的理論計算與分析,指出本系統中降溫與加濕共存段加濕效果不明顯,同時由於加濕器的加濕容量不足,頂部送風和下部兩側回風的通風方造成了室內的相對濕度無法在熒光燈全開時達到控制要求。
  20. For the sake of the experimentation we designed and created the web - site for pbl, which incarnated the characteristic and require of web - based to verified, modified, perfected its validity by action research and experimentation. we selected three school : hengfu middle school, fangcun jindao middle school in guangzhou and first middie school of nanhai in foshan as experience base, and selected the geography of senior high school and the physics of junior high school as content

    在理論研究的基礎上,以廣州市恆福中學、廣州市芳村區金道中學、佛山市南海一中為基地,選取高中地理和初中物理部分內容,以專題形,採用行動研究方法,對理論段提出的pbl教學設計方法進行了檢、修改和完善。
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