試驗期限 的英文怎麼說

中文拼音 [shìyànqīxiàn]
試驗期限 英文
duration of trial
  • 試 : 名詞（古代占卜用的器具） astrolabe
  • 驗 : 動詞1. （察看; 查考） examine; check; test 2. （產生預期的效果） prove effective; produce the expected result
  • 期 : 期名詞[書面語]1. （一周年） a full year; anniversary 2. （一整月） a full month
  • 限 : Ⅰ名詞（指定的范圍; 限度） limit; bounds Ⅱ動詞（指定范圍, 不許超過） set a limit; limit; restrict
  • 試驗 : trial; experiment; test
  • 期限 : time limit; allotted time; deadline; due time
  1. In the course of the early rig tests it was observed that, within limits, combustion efficiency was largely independent of the size of the fuel jet.

    在早期的試驗器試驗時，已經發現在一定權限范圍之內，燃油噴注的大小對燃燒效率影響很小。
  2. 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。
  3. Creep analysis methods of high - rise buildings and large span buildings can only refer to creep coefficient method in bridge engineering or the method of degree of creep in hydraulic construction engineering under the present experiment conditions. in this paper, the incremental expressions of concrete creep and shrinkage strain when the initial computational age is not the same as the loading age are derived and corrected from the concept of concrete creep coefficient and the mean value theorem of integral and the principle of superposition. the differences of efficiency and accuracy of creep analysis between the finite element method with creep coefficient and the initial stress method with degree of creep are presented. this paper suggests that engineers should use the initial stress method with degree of creep to estimate the influences of creep on high - rise buildings and large span buildings on the basis of conceptual design

    基於現有的試驗資料，高層及大跨度民用建築的徐變分析只能參照橋梁結構中的徐變系數方法或水工結構中的徐變度方法進行.從徐變系數的定義出發，利用積分中值定理和疊加原理，推導並修正了加載齡期與起算齡期不同時徐變收縮應變增量的表達式，對比了應用徐變系數分析徐變的有限元法和應用徐變度分析徐變的初應變法在效率和精度上的差別，並建議應從概念設計的角度出發，採用徐變度的初應變法來估算徐變對高層及大跨度民用建築的影響
  4. Abstract : creep analysis methods of high - rise buildings and large span buildings can only refer to creep coefficient method in bridge engineering or the method of degree of creep in hydraulic construction engineering under the present experiment conditions. in this paper, the incremental expressions of concrete creep and shrinkage strain when the initial computational age is not the same as the loading age are derived and corrected from the concept of concrete creep coefficient and the mean value theorem of integral and the principle of superposition. the differences of efficiency and accuracy of creep analysis between the finite element method with creep coefficient and the initial stress method with degree of creep are presented. this paper suggests that engineers should use the initial stress method with degree of creep to estimate the influences of creep on high - rise buildings and large span buildings on the basis of conceptual design

    文摘:基於現有的試驗資料，高層及大跨度民用建築的徐變分析只能參照橋梁結構中的徐變系數方法或水工結構中的徐變度方法進行.從徐變系數的定義出發，利用積分中值定理和疊加原理，推導並修正了加載齡期與起算齡期不同時徐變收縮應變增量的表達式，對比了應用徐變系數分析徐變的有限元法和應用徐變度分析徐變的初應變法在效率和精度上的差別，並建議應從概念設計的角度出發，採用徐變度的初應變法來估算徐變對高層及大跨度民用建築的影響
  5. Among them, shrinkage - reducing agent and expansion agent were more effective to respectively reduce and compensate early age shrinkage of the concrete, on the contrary, polypropylene fiber was the most effective to restrain medium and long - term shrinkage of the concrete

    其中，減縮劑和膨脹劑的減縮與補償收縮的效果主要表現在早期，而聚丙烯纖維的中長期限制效果最好。然後進行空心砌塊的改性試驗研究。
  6. The result indicates that photosynthesis and the cell liquid density of tobacco are both seriously influenced by soil water content, and that photosynthesis is the most vigorous when the lower limit of soil water content is 75 % of water holding capacity of farmland during the vigorous growing period of tobacco

    試驗結果表明：煙草光合作用受土壤水分影響較大，當旺長期土壤含水量控制下限為田間持水量的75 %時，光合作用最強；細胞液濃度的變化受土壤含水量影響亦較大。
  7. Available empirical results indicate that the creep of reinforcement strongly influences the overall behavior of rs structures, which is demonstrated by excessive deformations. different creep tests are discussed and the test methods to obtain the two kinds of creep curves are compared in this thesis. the methods of how to determine the reduction factor according to long - term strength of creep or allowable strain during the services life are presented

    文中介紹和研究了不同的蠕變試驗手段，比較了獲得兩種蠕變曲線的試驗方法，並給出了兩種蠕變曲線一定范圍外推的數據處理方法;給出怎樣根據設計使用年限的長期蠕變強度或容許應變來確定蠕變折減系數的方法，並用計算實例來說明。
  8. This new method can use the limited time, outlay and resource effectively to predict the lifetime of the rlg

    這種壽命預測方法能夠有效的利用有限的時間、經費和資源來進行壽命預測，縮短試驗周期，減少試驗費用。
  9. But the investment for experiment is too large, and the experiment cycle is too long. this will restrict the research on the theory of wind effect on bridge

    然而橋梁風洞試驗的設備投資大，試驗費用高，周期長，這在很大程度上限制了大跨橋梁風振機理的研究。
  10. The following works are carried out in the dissertation : the study of meter - gauge freight car intensity design and accreditation test specifications ; the structural design of meter - gauge covered car of 14t axle - load ; the finite element analysis of car body structure of meter - gauge covered car of 14t axle - load ; the structure optimization of meter - gauge covered car of 14t axle - load. specification of intensity design for meter - gauge freight wagons is a combination of the theoretical calculations, long - term tests and the data of the application and maintenance of the rolling stock

    本文主要進行以下工作：米軌貨車強度設計與試驗鑒定規范的研究14t軸重米軌棚車結構設計14t軸重米軌棚車車體結構有限元分析14t軸重米軌棚車的結構優化設計米軌貨車強度設計與試驗鑒定規范是集理論計算、長期試驗、車輛運用及檢修數據累計分析的結果。
  11. From experimental result, i preliminarily know that eps is good thermal insulation material because the absorption of water is low and heat insulation is good, it is practicable at preserving temperature field of frozen earth roadbed and bringing frozen disaster under control ; second, according to the analysis of the eps that is applied into practical project, i have studied the practical effect which eps preserve roadbed temperature field, and the influence that was made after building field. i have get that eps can influence moisture content and frozen upper limit, through practical measuring data, i have studied freezing and expanding quantity and melting and submerging quantity during a complete frozen and melting cycle as well as have expanded and proved the practical application effect of eps with some reference significance to deep research of some connected problems. finally, through computer data analysis, setting up the analytical model of finite unit, i have simulated the temperature field of roadbed heat preservation, then expounded and proved that the height of embankment influenced the effect of thermal insulation material

    其一是對聚苯乙烯泡沫塑料（ eps ）保溫板以及天然路基土層、路堤填料進行了室內試驗分析，結合國內外現在的有關科研成果，綜合確定其各項特徵參數；從試驗結果初步認識到聚苯乙烯泡沫塑料是一種吸水率低，隔熱性好的保溫材料，在凍土路基溫度場的保護和凍害治理方面是可行的；其二通過eps保溫板在現場工程實踐中的應用分析，研究了保溫板在保護路基土層溫度場的實際效果以及修築路堤后造成的影響，保溫板對土體含水量、凍結上限的影響，通過實測資料，研究了在一個完整的凍融周期內整個路基的凍脹量和融沉變形量，論證了保溫板的實際應用效果，對有關問題的進一步研究和相關工程設計具有參考意義；其三，通過計算機數值分析，建立有限元分析模型，對保溫路基的溫度場進行了模擬計算，論證了路堤高度對保溫材料效果的影響。
  12. Theoretical models were used to predict the effects of microcrack - density to effective tensile modulus of cf / ep laminates for long - term duration exposure for it difficult to get from tests. a uniaxial zero - expansion model was established based on the analysis of thermal stress and the coefficient of thermal expansion of the laminates

    由於受到試驗周期的限制，對于長期暴露于空間環境中的層合板材料，其有效拉伸模量很難用試驗方法直接測量，本文採用理論模型進行分析。
  13. Data schedule the treatment, diagnostic, and procedural requirements, as well as data collection due dates, scheduled on a timeline for most clinical trials

    資料排程對大部分的臨床試驗、治療、診斷、治療程序需求，以及資料收集期限，都有有時程的安排。
  14. On the base of prophase discussion which associated with the reliability of highway groundwork liquefaction estimation and the liquefaction preliminary decision, and on the base of soil dynamic experiments, through static - dynamic finite element analyses, this paper studied the groundwork soil anti - liquefaction raising ability which under the union action of highway roadbed and the substructure. also the paper had compared the calculated result with the flexible substructure

    在本課題前期對公路地基液化判別式可靠性以及液化初判條件討論、土動力試驗的基礎上，通過靜、動力有限元分析，對公路路基?剛性基礎聯合作用下地基土的抗液化能力變化狀況進行了研究，並與前期柔性基礎的計算結果進行比較。
  15. Many beating experiments of different quality of added lime and unlimited compress strength experiments of different time have been made

    為了研究摻石灰對膨脹土的影響，進行了不同摻灰率的擊實試驗和不同齡期的石灰土無側限抗壓強度試驗。
  16. Many beating experiments of different quantity of added lime and unlimited compress strength experiments of different protective time have been made

    為了研究摻石灰對膨脹土的影響，進行了不同摻灰率的擊實試驗和不同齡期的石灰土無側限抗壓強度試驗。
  17. On basis of the data of unlimited compress strength experiments, the paper gets the relationship between unlimited compress strength of lime - soil and the quantity of added lime. the paper also discusses the reason why the lime can dispel the expansive and shrink quality of expansive soil

    通過無側限抗壓強度試驗，得到石灰土無側限抗壓強度與摻灰量的關系及齡期對石灰土無側限抗壓強度的影響，同時對石灰改善膨脹土的機理作探討。
  18. On basis of the data of the unlimited compress strength experiments, the paper gets the relationship between unlimited compress strength of lime - soil and the quantity of added lime. the paper also discusses the reason why the lime can dispel the expansive and shrink quantity of expansive soils

    通過無側限抗壓強度試驗，得出了石灰土無側限抗壓強度與摻石灰量的關系及齡期對石灰土無側限抗壓強度的影響，同時對石灰改善膨脹土的機理作進一步的探討。
  19. Since the existed research has n ' t illuminated the failure form of post - embedded reinforcing steel bar bonding anchor and its mechanism, has n ' t systematic research on factors influencing the function of post - embedded reinforcing steel bar bonding anchor, and also failed to test on the long period validity of post - embedded reinforcing steel bar bonding anchor, it is very unfavorable for the spread and application of post - embedding technique. in the meantime, the fact that the present post - embedding anchoring material is of few kinds, high prices and still - to - be - improved performance has become the bottleneck of the post - embedding technique ' s development, which has restricted its further application and development. therefore, it is of great importance to develop a new type high - performance inorganic anchoring material with reasonable price and improved performance

    由於已有研究對后植鋼筋粘結錨固的失效形式、破壞機理未作出明確回答，對后植鋼筋粘結錨固性能的影響因素未進行系統研究，對后植鋼筋粘結錨固的長期有效性未予以試驗證實，不利於植筋技術這種新型結構加固技術的推廣應用，同時現有植筋錨固材料存在品種少、價格高、性能需要進一步改進和提高等局限性，已成為植筋技術發展的瓶頸，制約了植筋技術的進一步應用和發展，因此開發價格合理、性能優良的新型高性能無機質類錨固材料就顯得尤為重要和迫切。
  20. It was shown that salt expansion value of low liquid - limit clay was accumulated before the sixth freezing and thawing cycles, but the increment of salt expansion was reduced gradually with increasing cycles ; the salt expansion accumulation of low liquid - limit clay could be separated into three phases ; the deformation of clayey sand was mostly frost heave and subsidence under cycles, and collapsibility value of clayey sand was accumulated with increasing cycles ; the variation of salt expansion ratio and collapsibility ratio was a parabolic function of freezing and thawing cycles

    試驗結果表明：低液限粘土前五次凍融循環過程中鹽脹具有較好累加性，隨著凍融循環次數的增加，鹽脹量增長速度逐漸降低；含砂低液限粘土的鹽脹過程可以被分為三個階段；粘土質砂在凍融循環過程中的變形主要為凍脹和沉降變形，具有較好的溶陷累加性；低液限粘土、含砂低液限粘土的鹽脹率和粘土質砂的溶陷率與凍融周期之間的關系符合二次拋物線變化規律。
分享友人
分享到 Line

分享到臉書