脹縮特性 的英文怎麼說

中文拼音 [zhàngsuōxìng]
脹縮特性 英文
swell-shrink characteristics
  • : 動詞1. (膨脹) expand; dilate; inflate 2. (脹大) swell; distend; bloat
  • : 縮構詞成分。
  • : Ⅰ形容詞(特殊; 超出一般) particular; special; exceptional; unusual Ⅱ副詞1 (特別) especially; v...
  • : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
  • 特性 : characteristic(s); character; performance; features; properties; behaviour; response; character...
  1. The calculation modes of the coefficient of shrinkage and creep of the bulgy core concrete in steel tube are discussed. based on a few reasonable hypotheses and the stress - strain relation of concrete acquired by the " adjusting valid modulus depending on load time " method, a compact formula is reasoned out, which is applied to calculate the equivalent elastic modulus of the bulgy core concrete considering the affection of shrinkage and creep. so, the analysis of the affection on cfst arch bridge by shrinkage and creep can be progressed by pole - girder fem, further more, the analysis precision is quite high

    本文還對核心膨混凝土殊的收、徐變系數計算模式展開了探討,在合理的假設前提下,採用「齡期調整的有效模量法」得到的混凝土的本構關系,推導出鋼管內核心混凝土在考慮徐變影響后的等效彈模量計算公式,並以此為基礎採用桿系有限元方法來對鋼管混凝土拱橋進行較高精度的收徐變分析。
  2. Suction gas pressure goes up as the compressor run at the lower speed in the lower burthen, and this is beneficial to lower systems energy - consume. when the system is controlled by wvf, the discharge change of the evaporator is not linear ; the electronic expansion valve is adopted to regulate the system superheat degree, and the controlled object is parameter time varying, accordingly, the time varying controller should be adopted

    在負荷較小時,壓機採用低速運轉,吸氣壓力升高,這對系統降低能耗是有利的;變頻控制時,蒸發器製冷劑流量的變化並非線;系統中採用電子膨閥進行過熱度控制,被控對象具有參數時變的,相應地宜採用變結構的控制器。
  3. Study on microstructure unit character and its swell - shrink property for physico - chemical soft rock

    物化型軟巖微結構單元徵及其研究
  4. Incorporating with mineral admixtures could control the tendency of evening shrinkage of hpc, but the effect is not much remarkable. and the expansive agent uea could compensate shrinkage, but different curing conditions have significant effects on the volume stabilization of hpc. it is necessary to enhance the water curing at the young age and try the best to prolong the curing time

    本文對高能混凝土體積穩定點及其補償措施進行了系統的研究,主要包括:指出了水膠比對高能混凝土體積穩定的影響;分析了摻礦物外加劑高能混凝土體積穩定點;研究了聯合摻加礦物外加劑和膨劑對高能混凝土收的補償效果;探索了用膨型中熱水泥來配製高能混凝土對收的改善。
  5. In this paper, the influence of cycles of drying and wetting on strength and deformation are studied by means of routine direct shear apparatus, triaxial apparatus and light consolidation apparatus which include : the influence of force of constraint on strength, the total stress strength of expansive soils with different saturation degree, the influence of cycles of drying and wetting on the total stress strength, the relation between saturation degree and compression modulus and that between saturation degree and void ratio, the influence of cycles of drying and wetting on the effective stress strength, the relation between saturation degree and generalized suction

    本文利用常規直剪儀、三軸儀以及輕便固結儀,分別對非飽和膨土的強度和變形以及干濕循環對強度和變形的影響進行了一系列的試驗研究。以飽和度、干濕循環次數為變量,分別探求了外力約束對膨土強度的影響,不同飽和度膨土的總應力強度,干濕循環對非飽和膨土總應力強度的影響,飽和度與壓模量以及孔隙比的關系,干濕循環對飽和膨土有效應力強度指標的影響,廣義吸力與飽和度的關系,建議了一組計算非飽和膨土變形及強度的經驗公式。
  6. Recently, train is running faster and faster, and considering the stability and security, seamless welded rails ( swr ) are used as the train orbits gradually. the temperature of the rails will vary with weather. so that the rails may release the energy due to the metal characteristic of expanding or contracting with temperature, there is some badly distortion in the swr, worsly occurring accidents on expanding orbits. the portrait thermal stress ( pts ) of the swr should be monitored in some parts regularly, as to avoid such accident

    近年來,隨著火車的提速造成的穩定和安全問題,軌道逐步轉為採用無縫焊接鋼軌,隨著鋼軌溫度的變化,無縫鋼軌可能會因為熱或冷的金屬並且在扣件阻力小而且路基較差的路段釋放能量,可能會發生鋼軌嚴重變形,更甚者會發生軌跑道等嚴重鐵道事故,為了避免發生如此事故,有必要定期對鋼軌的溫度應力進行檢測。
  7. After a long - term research, we introduced metal - mesh into ptfe thin lining with a particular technology, which enables it not to free expand or contract with the variation of temperature, improve its pressure and vacuum resistance capacity

    本公司經過長期研究,於1988年採用殊技術,將金屬網引入ptfe薄層內部,使ptfe層熱降低到與鋼外殼相一致,同時還增加了強度,提高了耐正、負壓能。
  8. The results show that, when the compressor continuously runs, the stability of the test bed after using manual valve is better than that of using thermal valve, and it is little affected by the kinds of valves for adjusting cooling water ; and that, when the compressor intermittently runs, the operation stability would be obtained if pneumatic valve is used to adjust cooling water, especially at low speed

    結果表明,壓機連續運行時,製冷劑採用手動閥調節后工況的穩定明顯好於採用熱力膨閥時的情況,此時調節冷卻水量用的電動調節閥和氣動調節閥對工況穩定影響相差無幾;間歇運行時,無論是熱力膨閥還是手動閥,即便壓機通電時間最長,仍達不到設定工況,別是低速的斷續尤為明顯,而使用氣動閥就能很好地解決這一問題。
  9. Based on laborary study with triaxial shear tests, direct shear tests, compression tests, and expansiveness tests of the expansive soil in an ' kang area, shanxi province, p. r. china, the influence of structural behavior on expansibility, shearing strength and compression is discussed

    本文對安康地區膨土進行了較為詳盡的室內靜三軸試驗,直剪試驗,壓試驗,膨試驗,討論了結構對其壓、強度、膨的影響。
  10. From the research on hpec we can know that expansion property of high strength superplasticized expansive concrete shows obvious particularity compared with ordinary expansive concrete. when bfs is not put in, high strength superplasticized expansive concrete shows autogenous shrinkage in 1 day standard curing. and in 14 day ' s age e2 is less than half of middle strength superplasticized expansive concrete ' s with same csa dosage, and this shows expansion effect is confined more

    對hpec混凝土的研究發現,與普通膨混凝土相比,高強流態膨混凝土的膨能表現出明顯的,在不摻超細礦物質摻合料(磨細礦渣)時,高強流態膨混凝土標準養護1天時出現自收, 14天時其限制膨率不到相同csa摻量的中強流態膨混凝土限制膨率的一半,表現為膨效應受到更大限制。
  11. Strength properties and swelling - shrinkage behaviors of compacted lateritic clay in guangxi

    廣西紅粘土擊實樣強度
  12. With the data recorded by computer, the author studies the experiment progress in detail, which includes the development of pore press, strain, strength of the sand, etc. connecting the development of these phenomena with the development of stress path, the author finds new mechanism which can explain the phenomena in the experiment. what is more, according to the dynamic test of the sand, there appears a steady state at the last phase of the development of strain and stress path, in which the strength of the sand is studied because it is an important parameter in evaluating the stability of sand against liquefaction. secondly, the dynamic constitutive relation was studied through the dynamic tri - axial test

    本文首先採用目前國內較先進的微機控制動三軸儀,利用其可以適時採集和儲存數據的優勢,對砂土的實驗過程進行了細致的分析,研究該過程中孔隙水壓力發展、軸向應變發展以及它們與應力路徑之間的關系,對飽和砂土的剪、剪和卸載體等多個方面進行了研究,探索了砂土的動力,分析了影響砂土抗剪強度的各種因素,這些因素既包括土本身的(土的密度、結構、級配、透水以及初始狀態等) ,又包括動荷載的徵(振動力幅值大小和振動頻率等) 。
  13. The shrinkage characteristics of hsc and normal concrete at short term and long term are researched. based on the above research, high performance expansive c50 - c80 concrete, which posses good expansive properties, excellent flow ability, low slump loss and hydration heat. in order to improve the anti - cracking of some important projects, such as cutting wall, the workability and bulk stability of fiber - reinforced micro expensive concrete are researched

    針對高強混凝土的收以及點,本文提出將膨劑引入高強混凝土內進行補償收,研究了粉煤灰、礦渣、硅灰等摻和料對混凝土工作、力學耐久能的影響和c50 c80高強微膨補償收混凝土的力學與工作能,配製出具有很好的可泵能和耐久能的混凝土。
  14. The results show that the shrinkage of cement paste can be compensated by the new mgo - based expansive materials well, only if the burning temperature and burning time of expansive material are controlled and the dosage of expansive material in cement is suitable according to the hydration temperature and with fly ash or not

    結果表明,根據一定條件下(如養護溫度、摻加粉煤灰等)水泥漿體的收來調整膨材料的煅燒溫度和煅燒時間,控制合理的摻加量,新型鎂質膨材料可以有效地補償水泥漿體的收
  15. According to it, the following facts, which are difficult to explain in line with what is in the economics textbook, are consistently analyzed and interpreted continual falling of the consumption propensity of residents in china since 1990s ; the reason the value of m2 / gdp is much higher in china than other countries in the world at the corresponding period ; the causes of deflation in china ; the reason the macroeconomic policies, especially monetary policy, fail to work ; the reason the growth both output and price level comes into being instead of stagnation when the price of oil rises ; the reason the two objectives of monetary policy failed to accomplish simultaneously ; the stability of macro - economy in the case of controlled interest rate and exchange rate at the end of this thesis, some suggestions are put forward to accomplish the continually rapid growth for chinese economy, starting the rising of consumption with fiscal policy, ensuring the stable operation of macro - economy with monetary policy, and facilitating the adjustment of economic structure with industrial policy

    本文從轉型期中國經濟的具體實踐出發,在對微觀經濟主體居民和企業的行為徵和經濟運行的宏觀背景進行歸納和抽象的基礎上,結合宏觀經濟理論的最新發展,建立了一個轉型期中國宏觀經濟分析的理論框架,先後分析和解釋了? 20世紀90年代以來我國居民消費傾向的持續下降; ? 20世紀90年代以來中國的m _ 2 / gdp為何遠遠高於同期世界其它國家; ?通貨緊的成因; ?宏觀調控政策尤其是貨幣政策效用受阻的原因; ?為何在石油價格上漲的情況下,我國沒有出現「滯」 ,而是出現了物價水平和增長率的「雙增長」 ; ?貨幣政策的兩個目標無法同時實現的原因,以及?利率管制下經濟運行的穩定等這些按照經濟學教科書難以解釋的現象。論文最後建議,以財政政策啟動消費、以貨幣政策保障宏觀經濟的平穩運行、以產業政策促進經濟結構的調整,實現我國經濟的持續快速發展。
  16. In order to study the operation characteristics of hpacdhws, distributed parameter simulation models of the fin heat exchanger and the plate heat exchanger are built up. the compressor model is founded in map - based method, and the thermodynamics expansion value model is built up in force balance method. the dynamic system model is the efficient connection of all component models by laws of equalization of mass, momentum and energy

    為了研究hpacdhws的運行,本文利用分佈參數法分別建立了翅片管換熱器和板式換熱器的動態數學模型,採用圖形法和力平衡法分別建立了壓機和熱力膨閥的集總參數計算數學模型,並基於質量、動量和能量守恆定律等約束條件,建立了hpacdhws的動態模擬模型。
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