靜壓比 的英文怎麼說

中文拼音 [jìng]
靜壓比 英文
static pressure ratio
  • : Ⅰ形容詞1. (安定不動; 平靜) still; calm; motionless 2. (沒有聲響; 清靜) silent; quiet Ⅱ名詞(姓氏) a surname
  • : 壓構詞成分。
  • : Ⅰ動詞1 (比較; 較量高下、 長短、距離、好壞等) compare; compete; contrast; match; emulate 2 (比...
  1. The paper was based on load - bearing properties of elementary aerostatic bearing, predigested support and spindle structure of multi - support aerostatic motorized spindle, established finite - element analysis model, analyzed all kinds of structureal designs of shafting refer to ansys software, analyzed and compared load - bearing characteristics

    摘要基於單元氣體軸承的承載性能,簡化多支承氣體電主軸的支承和主軸結構,建立了有限元分析模型,藉助ansys軟體分析軸系的各種結構方案,並進行承載特性分析對
  2. The shear mechanism, failure mode, deformation capacity, bearing capacity and the reliability of the anchored angle steels of the wrapped steel concrete cast - in - site frame typical story exterior joints under the middle and high axial compression ratio ( n = 0. 3, 0. 5, 0. 6 ), the working performance, failure mode, and the shear capacity of top story joints under the crack moment, the hysteresis characteristic and the dissipation energy capacity of the test joints are all analysed based on the 1 / 4 model pseudo - static tests of five specimens of wrapped steel concrete cast - in - site frame exterior joints, which varied in axial compression ratio, distribution of the beam angle steels and the stirrup ratio

    基於上述分析,本次試驗通過五個外包鋼混凝土邊節點1 4例模型的偽力試驗,以柱的軸、梁角鋼布置形式、配箍率等為主要參數,分析外包鋼混凝土現澆框架一般層邊節點在中高軸( n = 0 . 3 、 0 . 5 、 0 . 6 )條件下,節點的抗剪機理、破壞模式、變形能力、承載能力和角鋼錨固的可靠性;分析了頂層邊節點在張開彎矩作用下的工作性能、破壞模式和抗剪承載力;分析了試驗節點的滯回性能和耗能能力。
  3. A reasonable position of driving nozzle helps to achieve the maximum material flow that also depends on other parameters such as backpressure, properties of conveyed material and driving gas. it is observed that, an increase of convergent section angle is harmful to the pneumatic conveying system, and also influences on the mass flow rate of conveyed material, the distribution of static pressures in injector and the pressure drops of conveying pipe. in addition, within a reasonable scope of air mass rate, increasing the driving jet velocity is more advantageous than enlarging the dimension of driving nozzle

    試驗研究發現,氣體噴嘴位置對氣固噴射器的輸送能力影響最大,氣體噴嘴存在某一最佳位置,而這一最佳位置與背、輸送物料特性和輸送風特性相關聯;氣固噴射器的收縮角對其輸送能力、內部分佈和輸送管阻力特性均有適量影響,收縮角增大對整個輸送系統均不利;在適當的輸送風范圍內,提高氣體噴嘴出口速度擴大氣體噴嘴尺寸更為有利,但氣體噴嘴出口速度過高會增加氣固噴射器和輸送管內的能量損耗,給輸送帶來不利的影響;系統背與氣固噴射器的氣體噴嘴出口速度的選取有關。
  4. Based on measurement of strains of both horizontal stirrups in the joint core and longitudinal reinforcement passing througth the joint, in different stages, transfer mechanism and factors affacting seismic behavior of the joint, were analysed. under different shear compression ration, effect of axial force ratio on seismic behawior of the joint was also evaluated, static shear and seismic shear of the joint based on capacity design were investigated. on this basis, new governing criteria and conditions of seismic behavior of the joint were put forward

    通過對節點區水平箍筋以及貫穿節點梁、柱縱筋在不同受力階段應變的精細量測,對節點的傳力機理以及影響抗震性能的因素進行了分析研究;對不同剪條件下軸對節點抗震性能的影響規律進行了分析研究;對不同受力階段梁筋的粘結退化規律以及節點區的剪切變形進行了分析研究;對節點的力抗剪與建立在能力設計思路上的抗震抗剪問題進行了深入研究,提出了建立在新思路基礎上的節點抗震性能控制準則和控制條件。
  5. 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試件的擬力試驗結果,指出異型節點受力過程分為初裂、通裂、極限和破壞4個階段;討論了軸、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式。
  6. The results indicate that if the value of press stress is over certain figure, press stress and al plate ’ s thickness have little influence on sawtooth distortion for the same kind of sawtooth ; sawtooth distortion is well - regulated under static press, while it is irregular under impact press. bottom coating make great influence on bond strength of samples which can improve the value remarkably ; bonding mechanism of clad steel is mechanism of mechanical effect that sawtooth which is hooked occludes with al plate

    結果表明:同種齒型,當應力大於一定的值時,應力和覆板的厚度對齒形的變化影響不大;下齒形變化較規則,鋸齒頂端向一側彎曲成鉤狀;沖下齒形較凌亂,鋸齒的頂端沒有明顯的變形;后處理對試樣的結合強度影響很大,打底試樣由於粘結層的作用,結合強度較高;機械作用機制是復合鋼板的主要復合機理,鋸齒彎曲成鉤狀和鋁板形成機械咬合。
  7. In light of the measure way of fluid static pressure falling in proportion, the explicit function method of solving exponent by power function was simply and conveniently acquired through recording fluid flowing times

    文章採用流體頭下降成例的測量方法,記錄其流動時間,簡便地解決了冪函數求解指數的顯函數方法。
  8. Genetic algorithm is used to optimize the parameters of pid controller that is used to control the plant lon ( local operating network ) is designed to control vav air - conditioning system. by this means the static pressure control and minimum total supply air volume control are experimented. the paper analyzes the coupling among loops, the whole system ' s stability and energy saving effect under the two control methods

    針對目前變風量空調系統的模型都是用機理建模方法建立的情況,本論文用最小二乘法對機組部分進行系統辨識,建立了水閥?送風溫度、變頻風機?兩個迴路的模型,經驗證較接近實際系統;採用遺傳演算法對pid控制器的參數進行尋優,尋優結果令人滿意;設計了變風量空調系統的lon控制網路,以此為實現手段,進行了定控制和最小總送風量控制,並在兩種控制方式下,分析了各個迴路的耦合情況、兩種控制方式的穩定性和節能效果。
  9. The static pressure pipe piles were used as foundation in the construction of high - rise buildings for the first time, despite their advantages over other piles

    摘要管樁基礎與其它樁基形式相有諸多優勢,但用於高層建築尚屬首次。
  10. Comparison between quasi - static indentation and low - velocity impact tests has been conducted in this paper at last. in accordance with energy balance principle, the dent depth vs. peak contact force under impact curve, which is derived from the dent depth vs. impact energy curve, is similar with the dent depth vs. indentation force curve with an evident transition

    最後,本文還對低速沖擊試驗與痕試驗做了較分析,並基於能量平衡公式,從沖擊能量凹坑深度關系導出了沖擊最大接觸力凹坑深度關系曲線,它與痕試驗得出的痕力凹坑深度曲線的變化趨勢相類似,即出現較明顯的拐點。
  11. Abstract : in this paper a new technology for upperpunch in ceramic tile die with isostatic pressing is introduced, static - pressure area ratio and bonding area ratio are changed into independent technological parameters and can be separately designed

    文摘:本文介紹了等瓷磚模具中上模芯的一種新型工藝結構,它使靜壓比和粘貼成為兩個互相獨立的參數,可以分開進行設計。
  12. Fourthly, to give an introduction about the static characteristics experiment, which has the plan, the devices and the methods of experiment and the metering equipment. finally, to process data and make graphs, to contrast experimental results with calculation results and make certain explanations and to come to some conclusions

    最後對徑?推聯合浮環動軸承特性進行測試,對實驗數據進行了處理、繪制了相應的圖表並對試驗結果和計算結果進行分析對,得出了?定的結論。
  13. Abstract : optimum distances between primary nozzle exit and mixing tube inlet, static pressure recovery of the mixing flow in mixing tube 、 total pressure distributions at the exit of mixing tube 、 pumping coefficients and total pressure losses of the exhaust ejector systems with four different types of primary nozzles have been measured in the experiments

    文摘:對4種主噴管組成的排氣引射系統的引射系數和總損失、各主噴管出口與混合管進口之間的最佳間距、混合氣流在混合管內的恢復及混合氣流在混合管出口處的總分佈等進行了測量和對
  14. In static test, t - shaped and l - shaped specimens were respectively divided into four groups according to concrete strength grades, sectional height to thickness ratio, reinforcement ratio and ratio of axial compressive force to axial compressive ultimate capacity of section. how these factors affect the load - carrying and deformation of short - leg shear wall is known by analysis the result

    在擬力試驗中對t形和l形短肢剪力墻分別進行了四組試驗,通過對試驗結果的分析,揭示了混凝土等級、截面配筋率、軸和墻肢截面高厚等因素對短肢剪力墻承載力和變形的影響。
  15. The results indicate that arc melting is a good method to produce nb - si system intermetallics due to its simpler technics, lower cost and compact products. however, powder metallurgy is found to be not suitable to produce the nb - si system intermetallics due to its coarse and loose products resulting from the poor molding property of nb and si mixed powders. optical floating zone technology, which is used to fabricate nb - si intermetallic composites for the first time, is also found to be a good way to produce nb - si system intermetallics because of its compact products and good property despite of its relatively high cost

    結果表明,電弧熔煉方法制備得到的nb - si系金屬間化合物較緻密,且制備工藝簡單,經濟實用,是一種合適的nb - si系金屬間化合物制備方法;由於nb 、 si元素粉末的成型性很差,用粉末冶金方法(熱燒結和冷等)制備的nb - si系金屬間化合物表面粗糙、緻密度低,且成本較高,不宜用於制備nb - si系金屬間化合物;首次用光學懸浮單晶生長技術制備的nb - si系金屬間化合物復合材料緻密度很高,盡管成本稍高,但由於性能最佳,也是一種合適的nb - si系金屬間化合物制備方法。
  16. This paper respectively uses the method of expansion of cavity and fem to analysis the soil compaction effect of anchor jacked pile while sinking, and compares the calculation result of the two methods by combining effect is valuable to the application of engineering

    摘要分別用柱形孔擴張法和有限元方法對錨桿樁沉樁過程中的擠土效應進行了分析,並結合工程實例對兩種方法計算的結果進行了較,很好地探討了沉樁擠土規律,具有一定的工程實用價值。
  17. An electric - hydraulic proportional control over cannon hydrostatic driving system was developed

    摘要將傳動應用於火炮的驅動裝置中,實現火炮驅動系統的電液例控制。
  18. With the favor of these techniques, the static pressure distribution along the length and the velocity profile at the mini - channel exit were obtained. with the data of more than 500 flow states based on 13 kinds of mini straight rectangular channels that their heights were 0. 5mm and 1. 0mm, the effects of characteristic scale, surface roughness and the aspect ratio of rectangular on the characteristics of flow resistance of mini straight channels were studied

    採用在沿程測量氣流分佈、在出口測量速度分佈的方法,對高度0 . 5mm和1 . 0mm的13個微小直矩形通道的500多個狀態流場進行了測量,研究了特徵尺度、表面粗糙度、橫截面寬高等因素對微小等直通道流動阻力特性的影響。
  19. The experiment ' s results show that the system is stable under the static pressure control and energy saving under the minimum total supply air volume control. although the terminal dampers ' s tuning time is prolonged under the minimum total supply air volume control, it can be reduced by adopting the appropriate sampling time when debugging the system. from all of this we can conclude thart the minimum total supply air volume control has a good application perspective

    實驗結果表明,定控制方式下系統較為穩定,最小總送風量控制更加節能,但它延長了末端閥位的調節時間,在系統調試時,我們可通過選擇合適的采樣時間來縮短閥門的調節過程,所以最小總送風量控制具有廣闊的應用前景。
  20. Based on the data of vertical and horizontal displacements from a certain construction site in cixi city of zhejiang province, the validity of controlling earth - extrusion effects in saturated soft clay ground caused by statically piling was quantitatively analyzed and compared with different technical measures, including reduction of piling rate and installation of stress - relax holes

    摘要根據在浙江省慈溪市某法沈樁施工現場所監測的地基土位移數據,定量分析較了控制施工進度、設置應力釋放和排水深孔等工程技術措施對減輕飽和軟粘土地基沈樁擠土效應的有效性,並初步提出了現場地基土位移及其變化速率的監控標準。
分享友人