峰值流量計 的英文怎麼說
中文拼音 [fēngzhíliúliángjì]
峰值流量計
英文
peak flowmeter- 峰 : Ⅰ名詞1. (山的突出的尖頂) peak; summit 2. (形狀像山峰的事物) peak-like thing Ⅱ量詞(用於駱駝)
- 流 : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 計 : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
- 流量 : rate of flow; flow; runoff; discharge; throughput; (flow) rate; quantity (of flow); flux
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Considering the electrovalence, the curve of water consumption and the reliability of water supply, this paper respectively sets up the model based on the maximal flux and the model based on the expectation flux. it takes yearly expenditure converting value and yearly cistern converting value as target function and takes continuity equation, velocity of flow and compression resistance of cast iron pipeline as restrictions and sets up the pga model on optimal design of water supply networks
考慮到峰谷電價、用水量變化曲線及用水可靠性因素的影響,分別建立了以最高時流量設計管網的模型和以期望時流量設計管網的模型,以年費用折算值加上清水池年造價折算值為目標函數,以連續性方程、管中流速和鑄鐵管耐壓值等為約束條件,進行并行遺傳演算法對給水管網優化設計的實現。Peak expiratory flow meters
呼吸峰值流量計Climate in this valley changes sharply with vertical difference and rainfall increases with the height. calculation indicates that the design day rainstorm amount reaches 133mm, the rainfall intensity of day storm reaches 6. 05mm / h, the design storm peak discharge is 239. 7m3 / s and 753. 0
在計算泥石流峰值流量時,因考慮到泥石流固體物質的前期含水量、泥石流堵塞斷流增加的暴雨徑流量、泥石流間歇性陣流的迭加流量都會使泥石流流量增加,需要在計算公式中引入一個泥石流流量積累系數。On the basis of a lot of experimental data based on the orthogonal test of pulse peak electric current, pulse width and pulse intermission, experimental mathematical models of electric spark forming of several sorts of materials are built up with multiple linear regression analysis
摘要用正交試驗法對電火花加工中的峰值電流、脈沖寬度、脈沖間隔進行設計,在大量實驗數據的基礎上,採用最小二乘法建立實用的多種材料的電火花加工實驗數學模型。It can automatically match rotational speed generator, electromagnetic rotational speed sensor and electromagnetic turbine flowmeter. moreover it can adapted measured signal that is 1v ~ 300v voltage and 1hz ~ 2500hz frequency
能自動匹配測速發電機、電磁式測速傳感器和電磁渦輪流量計,適應電壓峰峰值從1伏以下至300多伏、頻率從1hz以下至2500hz以上的被測信號。First, according to the demand of vimp for resin system, the reaction kinetics and rheological of up resin are investigated and the optimal content of low additive profile ( lpa ) is determined. then vimp based on a high - permeable medium and grooves are studied by visual experiments, through which the appropriate high - permeable mediums are selected and the parameters of width, depth and spacing for flow grooves and spacing for supply grooves are optimized. furthermore, various factors affecting the mold filling process are discussed and the whole vacuum infusion procedures are described taking examples of the manufacture of a model boat and a sandwich panel in one infusion
文中首先根據vimp對樹脂體系的要求,對vimp用不飽和聚酯樹脂體系的動力學和流變學性能進行了研究,確定了最佳低收縮添加劑的含量;對高滲透介質型和溝槽型vimp開展了實驗研究,通過可視化實驗優選出較好的高滲透介質,確定了引流槽的寬度、深度和槽間距及主槽的槽間距等工藝參數並進行了優化;對影響充模過程的各種因素進行了詳細的討論,並以模型船和夾芯面板的製作為實例描述了兩種vimp的成型過程;在實驗的基礎上,建立了二維滲漏模型,採用控制體有限元法對高滲透介質型vimp進行了成型過程的計算機模擬計算,通過充模時間和流動前峰的計算值與實驗結果的比較,驗證本文所採用的數學模型和數值方法的正確性,其結果對實際生產具有一定的理論指導意義。The relation among all short - circuit current in each winding is described, and the rms value and peak value equation of short circuit current are concluded in this paper
本文從平衡變壓器的工作原理入手,建立平衡變壓器各繞組中電流之間的電流映射關系矩陣和矢量關系,推導平衡變壓器短路電流有效值和峰值的計算公式。Direct current, peak to peak amplitude of the measured quantity is implemented. the whole system has the integrated functions of data process, communicate, display, etc. during designing the hardware, in order to improve the whole system ’ s interference immunity, the advantages of small outline ( so ) chip is fully considered by proper redistribution, the analog parts and digital parts are separated by optoelectronic isolator to reduce the interaction
本課題根據黑龍江省計量研究院的要求,依據最新測量理論設計了直流測量模塊,其性能已經達到了萬分之一的精度,實現了一個集直流電壓、直流電流及峰峰值測量於一體,具有數據處理、通訊、顯示等功能的單片機測試系統。In the modern power system, acute fluctuation of load lead to great difference of wave crest and trough, abundance non - linear load make severe aberrance of current and voltage wave. these factors make remarkable increase of error of energy metering and unrational billing
現代電力系統中,負荷波動劇烈使負荷峰谷差值很大,大量的非線性負荷使電流、電壓波形畸變嚴重,這些因素使電能計量誤差顯著增大,並使計費不合理。With an experimental system built and two different switches designed by ourselves, a serial of high - energy high - coulomb repetitive experiments were performed at voltage up to 100kv, peak current up to 85ka, charge transfer up to about 0. 6c per pulse, repetition rate up to 10hz, and single shot energy up to 5kj
建立了一個高平均功率開關實驗系統,設計和實驗了兩種實用的三電極重復頻率氣體開關。實驗獲得的最大工作參數為:工作電壓100kv ,峰值電流85ka ,電荷傳遞量0 . 6c脈沖,重復頻率10hz ,單脈沖能量5kj 。分享友人