降壓比 的英文怎麼說

中文拼音 [jiàngyābǐ]
降壓比 英文
step-down ratio
  • 降 : 降動詞1. （投降） surrender; capitulate 2. （降伏） subdue; vanquish; tame
  • 壓 : 壓構詞成分。
  • 比 : 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. Effect of si an capsule combined enalapril on hypertensive trough peak ratio and circadian rhythm of blood pressure in patients with essential hypertension

    四安膠囊合用依那普利對高血壓病患者降壓谷峰比及24小時節律的影響
  2. On the base of these theory calculations, we passivated the front - surface both of different surface doping concentration solar cells by a thin layer of thermally grown sio2. the results show that the in heavy surface doping concentration cell is lower compared to the cell in light surface doping concentration. the majority of improvement in comes from the emitter surface passivation

    接著採用sio2作為鈍化膜，從實驗上比較了在不同表面濃度下單晶硅太陽電池的鈍化效果，結果表明在高表面濃度下其開路電壓比低表面濃度下的開路電壓低，這開路電壓的提高主要來源於降低了前表面復合。
  3. A step-down transformer has a turns ratio less than 1.

    降壓變壓器的匝數比小於1。
  4. In this thesis, four types of steel beam - rectangular cfst column connections, including normal welded flange plate ( wfp ) connection, bolted flange plate ( bfp ) connection, stiffened end plate ( sep ) connection and double split - tee plate ( dst ) connection, were designed based on the configuration of steel frame connection. total 8 models, 2 models of each kind of connections were tested under low - reversed cyclic loading at the end of cfst columns. the relationships between force and displacement at the end of columns, the relationships between the moment and rotation of the joints, degradations of strength and stiffness, ductility, failure mechanism and failure characteristics of these four connections under different axial - compression ratios were presented

    本文借鑒鋼框架節點構造，設計了四種類型矩形鋼管混凝土柱與鋼梁連接節點，包括常規栓焊（ wfp ）節點、翼緣全螺栓連接（ bfp ）節點、雙t板連接（ dst ）節點以及加勁端板連接（ sep ）節點，進行了四類節點8個模型試件在柱端低周反復荷載作用下的抗震性能試驗研究，比較了不同軸壓比下節點的滯回性能、強度與剛度退化、延性、破壞機理與破壞特徵，主要結論有： 1 、節點的位移滯回曲線與轉角滯回曲線為塊型分佈，沒有或略有捏攏現象，耗能能力強； 2 、軸壓比對節點滯回曲線有顯著影響，全部節點都有顯著的剛度退化； 3 、位移與轉角骨架曲線在峰值荷載後有較長的水平或下降段，具有良好的延性性能； 4 、從整體抗震性能上看，翼緣全螺栓連接節點、雙t板連接與加勁端板連接節點都優于常規栓焊節點，可在實際工程中加以推廣。
  5. Therefore it is the sticking point for solving the problem about separating the duty to find methods by which the customer emission level can be accessed ( the voltage that a customer ' s harmonic current begets at the point of common coupling ) more accurately

    由於劃分的依據主要由用戶與電力系統雙方發射的諧波電流在公共聯接點引起的電壓降的比例決定，因此，尋求對用戶諧波發射水平（用戶諧波電流在公共聯接點所引起的電壓降）的準確估計方法，成為了解決責任劃分問題的關鍵。
  6. The results show that, comparing with the gas pressure drops calculated by the modified ergun equation, in the cases of the gas reynolds number is small, due to the presence of the dead space, the observed p in the experiments are bigger than that obtained by calculation, and when the gas reynolds number is large, because of the small interfacial viscous drag - force between gas and liquid, the p observed are smaller than that obtained by calculation

    結果表明在氣相雷諾數較小時，由於停滯孔隙率的存在，實測壓降值比修正厄根方程計算的值大；氣相雷諾數較大時，氣液界面上產生的粘性曳力較小，實測壓降值比修正厄根方程計算的值小。
  7. This converter includes not only analog parts such as the bandgap voltage reference, voltage pump, sample / hold unit, one bit comparator of high precision, multiply - by - two and difference unit, but also digital parts such as register and multiplexer. so the design of this type of converter is mixed signal design

    模數轉換器的內部電路包括基準源、降壓模塊、抽樣保持電路單元、高精度的1bit比較器、倍乘作差單元等模擬電路模塊，以及寄存器組、選擇器等數字電路模塊，屬于數模混合電路。
  8. This paper studies the variable - voltage energy saving theory and its implementation for asynchronous motor with light load, compares several kinds of scheme of improving efficiency in detail and confirms the variable - voltage energy saving method, that is adjusting the input voltage by detecting the iron loss and copper loss of motor directly. in addition, the directness *, simpleness and availability of the method are verified by the emulational experimental results with simulink of the matlab. the circuit of the general inverter based on the tms320f240 dsp was used in this paper, and the practicable program was compiled

    本文分析了異步電動機輕載時降壓節能運行的原理，對幾種提高效率的方案進行了比較，確定了通過直接檢測電動機鐵損和銅損來實時調節輸入電壓以達到高效節能目的的控制方法，應用matlab軟體對系統進行模擬，在基於tms320f240dsp的通用型變頻器上編制了實用化的程序，形成了完整的樣機，對其進行了測試，並給出了試驗結果。
  9. Touch on developing large - flow and high - pressure ratio impressor and large - enthalpy drop turbine, reducing harmful emission, solving the major problems of high - temperature blade material, cooling, protective coating and single - grain blade casting, and comfirm some important manufacturing techniques

    涉及了開發大流量高壓比壓氣機、大焓降渦輪，降低有害排放量，解決高溫葉片的材料、冷卻、保護塗層及單晶葉片鑄造等主要問題，並確認了一些關鍵的製造技術。
  10. A step - down transformer has a turns ratio less than 1

    降壓變壓器的匝數比小於1 。
  11. 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

    文章採用流體靜壓頭下降成比例的測量方法，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。
  12. Taken together, our results suggest that benidipine may have greater efficacy than amlodipine in reducing blood pressure and proteinuria

    綜合上訴結果，我們的結果提示貝尼地平在降壓和降低尿蛋白方面比氨氯地平更有效。
  13. 2. the room temperature tensile strength of alloy made by mlsd relate to the extrusion temperature and the extrusion reduction ratio, with high temperature and reduction ratio, the tensile strength becomes low

    二、多層噴射沉積過共晶a1 - si合金的室溫強度與擠壓溫度和擠壓比有關，擠壓溫度越高，合金的強度會降低。
  14. By controlling the stress value of under - lying layer less than tits structure yield stress value, a new design method to decrease composite ground settlement is suggested. and the composite foundation settlements of 12 buildings with the deep mixing cement piles is calculated, which is in good accord well with the measurement in field. second, considering the influence of well resistance, smear effect and structure breakage of thick soft clay, the equivalent calculation method is proposed

    首先，結合溫州地區深厚軟土，通過對室內常規試驗結果的分析，發現軟土具有較強的結構性，並給出室內固結壓縮曲線校正的新方法；提出了通過控制未打穿水泥攪拌樁復合地基下臥層的應力水平，使其小於土體結構屈服應力，以大幅度減小沉降的復合地基設計方法，並通過與12幢住宅樓未打穿水泥攪拌樁復合地基的實測沉降對比，得到了良好的驗證，進一步完善了結構性軟土壓縮變形的計算方法。
  15. Under the horizontal earthquake action and wind force, aim at " the pure frame structure with rectangle columns ", " the pure frame structure with special - shaped columns ", " the frame - truss structure with special - shaped columns " and " frame - shear wall structure with special - shaped columns ", earthquake action analysis was done by the spacial finite element method through the changes structural parameter. analyzing systematically " structure vibration mode ", " vibration period ", " structure lateral rigidity ", " seismic action force ", " seismic response force ", " floor seismic shear force ", " lateral horizontal displacement of structure " and " members internal force ". results indicate : ( 1 ) based on equal area, the special - shaped columns replaced the rectangle columns, the structural lateral rigidity enlarges, the lateral displacement minishes obviously, the earthquake response increase slightly, the biggest increasing amount of frame columns axis - compress ratio is smaller than 0. 08. the whole aseismic performance of structure has improved ; ( 2 ) when the section ' s length and section ' s thickness ratio of special - shaped columns is smaller than 3. 6, the structure benefits to resist seismic action ; ( 3 ) the angle of horizontal seismic action with the whole coordinate is 0 degree, structure earthquake response is bigger, belonging to a control factor of structure aseismic design ; ( 4 ) the frame - truss structure with special - shaped columns and the " a " - brace has the biggest lateral rigidity ; ( 5 ) the frame - shear wall structure with special - shaped columns have bigger lateral rigidity and smaller displacement, members internal force enlarged just rightly, have much superiority of resisting seismic action ; ( 6 ) in the higher seismic fortification criterion region ( 8 degree of seismic fortification intensity ), aseismic disadvantageous building site ( iii type site ), adopting special - shaped columns structure system, should reduce possibly the building ' s self - weight in order to reduce the earthquake response ; ( 7 ) the response spectrum method of computing seismic response and the time - history analysis method have similar analysis result

    西安理工大學碩士學位論文在水平地震作用下，並考慮風荷載組合，分別對「矩形柱純框架結構」 、 「異型柱純框架結構」 、 「異型柱框一析架結構」及「異型柱框-剪結構」等四種結構體系，通過改變結構參數，運用空間有限元方法，進行地震作用計算。系統地分析研究「結構振型」 、 「振動周期」 、 「結構側向剛度」 、 「結構地震反應力」 、 「樓層地震剪力」 、 「結構側向位移」 、 「層間位移角」 ，以及「構件內力」 。結果表明:在等面積原則下，異型柱代換矩形柱后，結構剛度增大，側向位移明顯減小，地震反應力略有增加，框架柱軸壓比最大增幅小於8 % ，結構整體抗震性能有所提高;當異型柱肢長肢厚比小於等於3 . 6時，結構有利於抗震;水平地震作用力與整體坐標夾角為0度時，結構地震作用效應較大，屬結構設計的控制因素之一;異型柱框一析架結構採用「人」字斜撐，側向剛度大於「八」字斜撐和「人一八」字混合斜撐;異型柱框一剪結構側向剛度大、位移小，構件內力增大適中，是一種抗震性能優越的結構體系:在抗震設防烈度較高地區（ 8度）和抗震不利的建築場地（ m類場地） ，採用異型柱結構體系時，應盡可能減輕結構自重，降低地震作用力;分別採用「振型分解反應譜」法和「時程分析」法進行地震作用計算，兩種方法所得結果基本一致。
  16. When the pole ' s axial compress ratio is 0. 8, the load - bearing capability ' s discount coefficient is 0. 7, when the pole ' s axial compress ratio is 1. 1 ; the load - bearing capability ' s discount coefficient is 0. besides, gfrp can reform the poles " distribute of concrete cracks, increase the poles " ductility

    在軸壓比為0 . 8的時候，由於rc柱和gfrp之間存在的應力差，導致其極限承載能力的提高幅度下降至原來的70 ，在軸壓比為1 . 1的時候，其極限承載能力可以看作是沒有提高。
  17. It is shown that when the exit area of secondary nozzle and the fuel / oxidizer ratio is fixed, the increase of mass flow rate of secondary flow lead to the decrease of velocity of mixed flow, and increase of total mass flow rate. the synthetical result of these two phenomenon cause the increase of thrust of rocket ejector, but the increasing magnitude is relatively small, indicating that these is no necessary to claim large bypass ratio in rocket ejector design. in the comparison between two configurations, the typical one has better performance, indicating the importance of pressure ratio

    結果表明：在固定二次噴管出口面積和氧燃比的條件下，二次流（引射空氣流）流量的增加引起混合氣體出口速度的下降和總流量的增加，二者綜合作用使發動機推力增加，但增幅不大，表明在設計發動機結構和工作參數時，不必過分追求大的引射系數；兩種結構的性能對比分析表明了增壓比對引射火箭性能的提高具有重要意義；對引射火箭的熱力循環分析同樣表明，增壓比對于提高發動機性能非常關鍵。
  18. Based on the characteristics of the foundation for the powerhouse of chaozhou water supply control project, the supporting measures, excavation method and control measures for the foundation excavation is put forward herein, and then the method to solve the problems such as monitoring on the supporting, de - pressurization of the ground water, treatment of the seepage from the outside and the protection of the structures inside of the foundation pit etc. are presented as well

    摘要根據潮州供水樞紐工程廠房地基的特點，提出了比較合適的基坑支撐處理措施和開挖方法及控制措施，並結合工程實踐對軟深基坑開挖施工中應注意的支撐監測、地下水降壓、外水內滲處理及基坑內結構物保護等問題提出了解決方法。
  19. Synthetic analyze that effect of nd2o3 on improving potential gradient is the most outstanding, effect of la2o3 is more outstanding and that of ceo2 is the inferior. adding appropriate amout nd2o3 improves remarkably potential gradient, at the same time decrease leakage current and voltage ratio, that results in zinc oxide varistor with excellent comprehensively performance

    綜合分析， nd _ 2o _ 3提高壓敏電位梯度的作用最為顯著， la _ 2o _ 3次之， ceo _ 2最弱，並且適量的nd _ 2o _ 3在顯著提高壓敏電位梯度的同時，可降低漏電流和壓比，使壓敏閥片具有優良的綜合性能。
  20. The experiment test results of mechanical properties and durability of hprrc show : no matter at early age or later age, the ration of flexural strength to the cubic compression strength of hprrc is higher than ordinary concrete, and the brittleness of hprrc is reduced ; the bond performance of new - old concrete interface and chloride permeability are good ; its resistance to freeze and thaw, permeability are all excellent ; its volume stability is improved, and its cracking resistance is good

    配製出和易性優良（坍落度30mm ） 12 48h能滿足開放交通的hprrc 。 5 、 hprrc力學性能、耐久性能試驗結果表明：無論早期還是後期，其折壓比均比普通砼的有所提高，脆性有所降低；新老砼粘結性能優良；並具有優異的抗凍性、抗滲性、耐磨性，抗氯離子滲透能力強；體積穩定性大為提高，抗裂性好。
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