peak flow 中文意思是什麼

peak flow 解釋
高峰流量
  • peak : vi 1 瘦弱；消瘦，憔悴。2 減少，縮小 （out）。n 1 山峰，山頂；孤山。2 （胡須等的）尖兒；尖端。3 最...
  • flow : vi 1 流，流動。2 （血液等）流通，循環。3 流過；川流不息；（時間）飛逝；（言語等）流暢。4 （衣服、...
  1. Peak expiratory flow meters ; german version en 13826 : 2003

    呼氣峰值流量表
  2. The primary outcome was morning peak expiratory flow ( pef )

    主要轉歸是早晨峰呼氣流速（ pef ） 。
  3. Peak expiratory flow rate

    肺部最高呼氣流量測試
  4. Peak expiratory flow meters

    呼吸峰值流量計
  5. Pefr peak expiratory flow rate

    呼氣峰流量
  6. The pressure at every point along the pipeline, the gas - liquid phase flow rate and the law of the liquid holdup in the pipeline chang ing with time in the process of gas storage and supply at the time of peak shaving are simulatively calculated, and based on this, the problem on peak shaving is thoroughly analyzed by combining with the existing pinghu - shanghai gas pipeline in china

    模擬計算了調峰過程中管道儲氣和供氣過程沿線各點的壓力、氣液相流速和管內持液率隨時間的變化規律，據此結合我國已建成現有的平湖一上海的天然氣管線，對調峰問題作了深入地分析。
  7. In this paper, starting from the basic law of fluid me chanics, a mathematical model equation for describing the tran sient flow of the wet gas in the pipeline under peak shaving op eration is established, a simplified treatment for the model equa tion is made and a train of thought for concrete calculation is de signed

    文章從流體力學的基本規律出發，建立了描述濕天然氣管道輸送調峰工況下瞬變流的數學模型方程，並對模型方程作了簡化處理，設計了具體的計算思路。
  8. Results : the peak and mean velocities, volume flow and pulsatility index in the superficial femoral and popliteal veins of both groups increased significantly with all ipc modes ( p < 0. 001 )

    結果：兩個對照組使用ipc方法后，股動脈、腿部靜脈流速、流量的峰值和平均值，都有了明顯的提高（ p < 0 . 001 ） 。
  9. When soil antecedent condition is dry and the initial rainfall intensity is high, peak surface runoff also considerably lag behind that of rainfall, because of the formation of temporary relative impermeable top layer ; b ) surface runoff is controlled primarily by infiltration - excess runoff mechanism under unsaturated condition ; the major fraction of surface runoff are dominated by saturated infiltration - excess runoff response, only a small fraction by return flow mechanism when soil is saturated ; c ) subsurface flow is dominated by saturated runoff mechanism, and the duration of subsurface post the rainfall end is dependent upon rather the soil properties than the rainfall characteristics ; d ) subsurface flow intensity in cultivated soil layer ( 0 ~ 20cm ) is high up to 35mm / h when rainfall intensity is up to 120mm / h, indicating the existing of macropores and pipe flow in cultivated layer

    2 ）耕作制下紫色土的產流主要機制是： 1 ）當雨前土壤含水量未達到飽和狀態時，表面產流起始時間有明顯滯后現象，這與紫色土的快吸水性和較多非毛管孔隙密切相關；當雨前土壤較乾燥，降雨初期雨強較大時，易形成臨時相對不透水表層，表面產流峰也有明顯滯后現象。 2 ）表面徑流的產流方式主要是超滲產流，當土壤達到飽和狀態后，有四川大學博士學位論文小部分回歸流發生，但主要是飽和超滲產流發生，因為紫色土的相對不透水層和其它透水障礙層不明顯。 3 ）壤中流主要是飽和產流，與降雨過程有明顯的滯后，而且雨停后的壤中流產流歷時與降雨特徵無關。
  10. Increasing ultrasound intensity in the range of cavitation threshold and cavitation peak value, decreasing monomer concentration and increasing the temperature make the induction period shorter. under optimized reaction conditions, the conversion of ba can reach 90 % in 11 min at high n2 flow rate the viscosity average molecular weight of the obtained pba reaches 5. 24 106. the molecular weight of pba varies with ultrasonic irradiation time, indicating that the ultrasonic induced emulsion polymerization is dynamic and quite complicated, polymerization of monomer as well as degradation of polymer occurs concomitantly

    一、實現了無常規化學引發劑存在下的超聲輻照引發丙烯酸正丁酯（ ba ）間歇乳液聚合，制備了pba納米粒子，在11min內轉化率達到90 ，分子量達5 . 24 10 ~ 6 ，隨反應時間的延長而降低，表明超聲輻照引發乳液聚合是一個動態的復雜過程，單體的聚合和聚合物的降解同時發生。
  11. When the governing valve was series - connected on the return oil - line in the metering - out control system, under the same flow area and the same adjusted pressure of relief valve, with the incremental quantity of step load, the pressure highly - adjusted capacity of the hydraulic cylinder chamber with piston - rod increased, meanwhile, it ' s time of rise, time to peak and the governing time all increased. at the same time, the pressure highly - adjusted capacity of the hydraulic cylinder chamber without piston - rod increased

    當出口節流調速系統的回油路上串接調速閥時，隨階躍負載的增加，在相同流量閥開度、相同溢流閥調節壓力的情況下，液壓缸有桿腔壓力p _ 2 （ t ）的超調量是增加的，上升時間、峰值時間以及調整時間也是增加的；液壓缸無桿腔壓力p _ 1 （ t ）的超調量是增加的。
  12. Wastewater collected from canteen kitchens, including that from basins, sinks and floor drains shall be fitted into foul sewer via grease traps capable for providing at least 20 minutes retention during peak flow

    來自食堂廚房的廢水，包括來自水池、水槽和地面排水管的，應經由最大流量時能夠保持20分鐘的集油器，排入污水下水道。
  13. It is verified by the observed data of xianing port area in changsha city that the model is of high accuracy, with the greatest relative error of the peak flow of only 7. 85 %, thus can be used in runoff simulation of harbor rainfall drainage system

    經長沙市霞凝港區的實測資料檢驗，證明該模型在港區小流域的雨洪分析中有較高的精度，洪峰流量最大相對誤差僅為7 . 85 % ，可用於港區雨水排水的徑流模擬。
  14. Results showed, taking jia - lu - he catchment as example, that the integrated control of soil and water loess could reduce the flood - peak flow and flood water amount, that the flow process has been prolonged and that the peak flow was postponed

    提出了水土流失綜合治理對大中流域暴雨洪水影響的研究方法。以佳蘆河為例，分析表明：水土流失綜合治理使暴雨洪水的洪峰流量、洪水總量降低，洪水過程持續時間延長，洪峰滯后。
  15. The objective of the optimal model is to keep the flood process mode similar and subject to restrictions of the actual peak flow discharge and flood volume in different period of time, the ga and prsaa that have global optimal capabilities are used to solve the model in this paper

    在滿足洪峰流量約束和分時段洪量約束條件下，本文建立了以洪水過程模式盡量相似為目標的洪水過程放大優化模型，並採用具有全局搜索能力的遺傳演算法和并行組合模擬退火演算法求解該模型。
  16. The simulative calculation results show that all the three measures mentioned herein have larger effects on the infiltration, runoff, flood peak flow and overland flow and can greatly alleviate the pressure of the draining pipeline, clip the flood peak and increase the infiltration as well, if they are taken as the additional important measures of urban drainage for flood control

    模擬計算的結果顯示，以上3種方式對入滲、徑流、洪峰流量、坡面流等均有較大影響，作為城市防洪排水的重要輔助措施，可以極大地緩解排水管道壓力，同時削減洪峰、增加入滲。
  17. Flow - mediated dilatation response normalized to peak shear rate was significantly lower in migraine patients than in controls, the report indicates

    報告指出，流量介導的肱動脈擴張與標準的高峰速度階差相比，偏頭痛病人擴張流量低於對照組。
  18. Especially among the hengduan mountains, where the nu river, the jinsha river and the lancang river flow across, somewhere there is a thousand meters high peak and somewhere there is a ten - thousand meters abyss. looking up you can see the snowy and icy peaks ; looking down you can see the tropical forests

    尤其到怒江金沙江瀾滄江流經的橫斷山脈，時而躍上千仞峰頂，時而墜入萬丈深淵，或舉首雪峰冰川，或俯看熱帶叢林，使人既感驚心動魄，又覺心曠神怡。
  19. Peak flow meter

    最大呼氣流量計
  20. The researchers also predict that by the middle of the century, melting snow will cause streams to reach their annual peak flow up to a month earlier

    研究者們還預測，到本世紀中葉，融化的積雪將導致河流量提前一個月達到其年高峰值。
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