primary energy ratio 中文意思是什麼

primary energy ratio 解釋
一次能量比
  • primary : adj 1 第一的,最初的,初級的;初等的;基本的;基層的。2 主要的,為首的,第一位的。3 原始的,根本...
  • energy : n. 1. 干勁,活力。2. (語言、行為等的)生動。3. 〈pl. 〉 (個人的)精力;能力。4. 【物理學】能,能量。
  • ratio : n. (pl. ratios)1. 比,比率,比值;比例;系數。2. 【經濟學】復本位制中金銀的法定比價。vt. 1. 用比例方式表達;求出…的比值;使…成比例。2. 將(相片)按比例放大或縮小。
  1. Analysis of primary energy ratio for gas engine - driven heat pump

    燃氣機熱泵一次能源利用率的分析
  2. Based on the first and second laws of thermodynamics and energy level theory, analyses the primary energy ratio, exergy efficiency and energy level difference of the household gas driven air conditioner at different conditions, and compares them with some other commonly used modes

    摘要運用熱力學第一定律、第二定律和能級分析理論,對戶式燃氣空調各種工況下的一次能源利用系數、 (火用)效率和能級差進行分析,並與幾種常用的方式進行對比。
  3. Analysis of the system indicates that the primary energy ratio of this system is 1. 85, which is double than that of the conventional separated production system, and the cogeneration system saves about 57 % standard gas consumption in comparison of the conventional separated production system

    分析結果表明:燃氣機熱泵的熱、電、冷三聯供總能系統的標準氣耗僅為熱、電、冷分供系統的一半左右。
  4. The results show, when heating, the primary energy ratio of gehp is 1. 76 and exergy efficiency is 29. 12 %

    結果表明:燃氣機熱泵在供熱時的一次能源利用率為1 . 76 , (火用)效率為29 . 12 。
  5. Two kinds of common used snubber circuits are studied through simulation and experiment. it is pointed out that the rcd snubber has less power loss. increasing the turn ratio of transformer is helpful for the energy, which is stored in the primary side of transformer, to be transferred to the secondary side

    通過實驗和模擬,對比研究了電路中周波變換器的兩種常用的緩沖電路,指出採用rcd緩沖電路損耗更小;提高變壓器匝比有利於減小鐵芯儲能的回饋,提高逆變器變換效率,但它同時也增加了副邊功率管的電壓應力,必須綜合兩方面確定合理的匝比。
  6. The following specific goals are expected to reach under the sustained energy development strategy : energy consumption of per unit gnp will be reduced by 20 % on the level of the end of the 10th five - year plan ; primary energy demand will be less than 2. 5 billion tons of standard coal by 2020, saving 0. 8 billion tons ; coal consumption ratio is controlled under 60 %, renewable energy utilization reaches 525 million standard coal ( power generation by renewable energy stands at 100 million kilowatt ) ; oil importing reliance is controlled under around 60 % ; the reduction rate of main pollutants is 45 % - - 60 %

    通過實行可持續發展的能源戰略,有望達到如下理想目標:單位國內生產總值能源消耗比「十五」期末降低20左右;到2020年一次能源需求少於25億噸標準煤,節能達到8億噸標準煤;煤炭消費比例控制在60左右,可再生能源利用達到5 . 25億標準煤(其中可再生能源發電達到1億千瓦) ;石油進口依存度控制在60左右;主要污染物的削減率為45 ? 60 。
  7. The results show that gehp is of high efficiency energy saving technology. the primary energy ratio is between 1. 13 - 1. 79 under experimental condition

    綜合試驗結果:燃氣機熱泵是一項高效節能技術,其一次能源利用率per在試驗條件下為1 . 13 1 . 79 。
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