負荷時間率 的英文怎麼說
中文拼音 [fùhéshíjiānlǜ]
負荷時間率
英文
load hour factor- 負 : Ⅰ名詞1 (負擔) burden; load 2 (虧損) loss 3 (失敗) defeat Ⅱ動詞1 [書面語] (背) carry on th...
- 荷 : 荷名詞(蓮) lotus
- 時 : shí]Ⅰ名1 (比較長的一段時間)time; times; days:當時at that time; in those days; 古時 ancient tim...
- 間 : 間Ⅰ名詞1 (中間) between; among 2 (一定的空間或時間里) with a definite time or space 3 (一間...
- 率 : 率名詞(比值) rate; ratio; proportion
- 負荷 : [電學] load; charge; weight
- 時間 : time; hour; 北京時間十九點整19 hours beijing time; 上課時間school hours; 時間與空間 time and spac...
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The negative photoconductivity effect was found in the dimixing phthalocyanine composites. the experiment results indicated that the negative photoconductivity effects were closely related with the partial charge transfer from the center metals to phthalocyanine rings, and the separation efficiency of photocarriers was a key factor to the photoconductivity
結果表明,共混復合后,其光電導性能表現出負效應,並發現酞菁中心金屬與其相連的氮原子之間的部分電荷轉移是引起復合體系光電導性能變化的根本原因,同時復合體系中的電子空穴對的分離效率是影響光電性能的一個重要因素。Abstract : the paper points out that the main factor influencing residential load variation are the following household appliance : electric cooker, electric shower bath, air conditioner, etc. in peak - value time from inquiry
文摘:通過對住宅用電進行調查,分析了高峰用電時間內大功率家用電器,如電炊具、電淋浴器、空調機等投入是當前住宅用電負荷變化的主要因素。To prepare international standards for electrical energy measuring and electrical load control equipment ( such as watt - hour meters, var - hour meters, maximum demand indicators, telemetering for consumption and demand, equipment for remote meter reading, time switches, equipment for the control of loads and tarifs and consumer services ) including the equivalent electronic forms of these devices and their accessories
負責制定電能測量和負荷控制設備(如:有功、無功電度表、最大需量指示器、損耗和需量的遙測、遠程抄表設備、時間開關、負荷和費率控制設備及用戶服務等)的國際標準,包括功能相近的運用電子技術實現的設備及其附件。Based on the discussions of the conventional and recent methods of short term load forecasting such as time series, multiple regression approaches and artificial intelligence technologies, this paper presents a hybrid short term forecasting model which combines the artificial neural network ( ann ) and genetic algorithm ( ga ). in order to improve the convergence speed and precision of the back - propagation ( bp ), a new improved algorithm - the adapted learning algorithm based on quasi - newton method is given
本文首先分析比較了電力系統短期負荷預測的傳統方法時間序列法和回歸方法以及最近的專家系統和神經網路技術的優點和不足,然後針對人工神經網路bp演算法的不足對其進行了改進,採用了基於擬牛頓的自適應演算法,它提高了網路學習效率,具有較快的收斂速度和較高的精度。接著提出了改進的遺傳演算法來改善神經網路的局部收斂性。The temporal, spatial and frequency - field characteristics are discussed. the validity of the corresponding empiric formula is analyzed and the atmospheric effects and correction method are investigated in the data analysis of the ground - based observations. the atmospheric effects on the gravity observations are analyzed and detected using the gravity data recorded with the superconducting gravimeters at the global geodynamic project ( ggp ) stations
利用實測地面氣溫、氣壓資料獲得大氣負荷效應時間序列的數值結果,研究大氣影響的時間、空間和頻率特徵,分析經驗公式的有效性,研究地面觀測和數據分析大氣影響和改正的方案;利用ggp臺站超導重力觀測資料,分析檢驗大氣重力影響;分析igs臺站大氣位移改正的可能性The autor thought that for the main transformer, the load rate should be increased above 85 % ; and for the distributor transformers set with the electrial room, according to efficiency first principle, the load rate should be control at 40 % ~ 60 %
作者認為:主變壓器設計選擇時,應考慮提高其負荷率達85 %以上;電氣室配電變壓器選擇時,應按效率優先原則為主,其負荷率控制在40 % ~ 60 %之間。The engendering source of traffic volumes and their general influential factors have been presented, and the situation of nowadays highway transportation has been discussed. according to the introduction of traffic distribution theory and classical assignment method, analysis of traffic flow path selection among cities and that of special influential factors for traffic flow on toll highways, initial analysis to the forming mechanism of traffic volume on road sections has been made, and a probability model for path selection has been set up with the maximum - utility theory and disaggregating model. detailed analysis to impedances on road sections and their functions ( especially to three main composing factors of the impedances as cost of time, transport and toll and to the functional relations with traffic loads ) was made, at the same time, the relative cost calculating model was set up on the basis of the state - of - art achievements in both international and national researches
主要研究內容包括:交通量的產生根源及一般影響因素分析和當前公路運輸地位討論;從交通分配理論及經典配流方法著手,通過分析城市間交通流路徑選擇行為和收費公路路段交通量特殊影響因素,初步提出路段交通量的形成機理,並採用效用極大原理和非集結模型理論( disaggregationmodel ) ,建立用戶出行路徑選擇概率模型;對路段阻抗及路阻函數(尤其對行程時間費用、車輛營運費用和道路收費這三個構成路段阻抗的主要因素及其與交通負荷間的函數關系)進行較為詳盡的分析,並以現階段國內外較為先進的研究成果為依據建立相應的成本測算模型,其中,特別提出了兩種確定客貨車輛時間價值的分析方法;離散分析法和時間-費率轉換法,後者是在目前基礎調查、統計數據資料不夠齊全的現實下提出的一種確定道路系統內務車型時間價值的較為實用的新方法;對我國公路收費政策的背景和理論、實踐依據及費率的各種影響因素進行重點分析;從數學的角度證明合理費率的存在性,並以最優化理論為基礎,建立在普通收費公路和擁擠路段交通調控型收費公路兩種模式下合理費率的計算模型等。But it also bring some important questions which affect the safety and economy running of the units, such as frequency regulation, long running with low loads, electric equipment and assistant equipment friction, oil wasting etc. the text apply differential increcent rate of equilateral discharge to analyze deeply the economy of hydro - power plant according to the practice data of the plant, putting forward the resolvation, providing indeed the theoretic feasibility investigation of engineering
但由此帶來的水電機組的頻繁調節、長時間帶低負荷運行以及電氣設備和輔助設備的磨損和油耗的增加等,都成為影響水電機組長期安全、經濟運行的不可忽視的重要問題。本文根據安徽陳村水電廠實際資料,運用等微增率方法對agc投入后水電站廠內運行經濟性作了深入的分析,提出了解決辦法,為在工程上真正實現提供了理論上的可行性研究。The main problems existed in the measured buildings conclude : low energy efficiency plants, low eer when the cooling load decreased during the night period in hotels, bad management, dissatisfied indoor air quality, low efficient water system and so on. if we can avoid these problems, a lot of energy can be saved
重慶市公共建築主要存在的問題有:設備效率達不到額定值,冷水機組冷量配備過大,酒店在夜間低負荷運行時空調系統能效比( eer )很低,室內環境很不令人滿意,水系統輸送效率低下,跑冒滴漏現象嚴重,運行管理混亂等。They comprise therefore cardiac frequency, speed, slope, duration, power, number of series and repetitions, weight from sollevare
因此,運動負荷包括心率、速度、梯度、持續時間、功率、組數和重復次數、待舉重量。Under different load, when we apply this software to any time, region and cooling way, we can get the hottest spot increment and aging rating. to manufactory, the software means sounder thermal design, which will meet the load, putted forward by user, while to user, the software equal to a master who can help them decide the capacity rating of the transformer, which will fit the load. by using the software, the potential danger and the waste, caused by unfit load choice may be avoided
研究開發了計算乾式電力變壓器負載能力的計算軟體,可對于各種絕緣結構,各種冷卻方式和任一地區、任一時間下運行的變壓器在不同運行載荷下的最熱點溫升絕緣老化率進行分析和計算,同時利用該軟體製造廠可以依據用戶提出的運行負載量給出相應的熱設計方案,用戶可根據運行負載情況利用軟體計算所需變壓器的額定容量,避免額定容量選擇不當造成隱患和浪費。Now the common means of testing the performance of engines in real time is noload dynamometer test, which computes the engine power by measuring the average accelerate time
目前國內外常用的發動機動力性能實時檢測系統是採用無負荷測功法,即通過加速后測定平均加速時間的方式來計算發動機的功率值。The relationship between the market clearing price and generation capacity adequacy is represented as a nonlinear function. based on the loads forecasted and the estimated maintenance schedules of generation companies, the market clearing price can be obtained
模擬了現貨市場電價與系統發電容量充裕度之間的函數關系,依據對其它發電公司檢修起始時間的概率估計和負荷預測結果,求得發電容量充裕度、進而現貨市場的電價。( 4 ) reliability indexes of system and load point are analyzed, such as lolp ( loss of load probability ), flol ( frequency of loss of load ), dlol ( duration of loss of load ), lole ( loss of load expectation ), edns ( expected demand not supplied ) and eens ( expected energy not supplied )
對全網及各負荷點的可靠性指標如系統失負荷概率lolp 、失負荷頻率flol 、失負荷持續時間dlol 、失負荷期望lole 、電力不足期望edns 、供電量不足期望eens等進行了計算分析。Based on the response theory of an elastic earth to surface loads and the model of the standard atmosphere, the characteristics of changes in the loading effects with time, space and frequency are comprehensively investigated in this dissertation. the numerical results obtained in this study can provide accurate atmospheric correction models for high - precision continuous measurements of the geophysical fields such as gravity, tilt, displacement and strain on the earth ' s surface
本文基於彈性地球對表面負荷的響應理論和標準大氣模型,綜合研究大氣負荷效應的時間、空間和頻率特徵,為地表重力、傾斜、位移和應變等物理場的高精度連續觀測提供精密大氣影響改正模型According to the problems existed in present pharmaceutical sale system and realize the following aims : ( 1 ) realizing the share of information and timely exchange between enterprises and customers, and shortening commodities provision cycle ; ( 2 ) optimizing enterprises " business process, increasing enterprises " working efficiency and reducing workers " labor load ; ( 3 ) establishing enterprises " efficient information network and making decision - makers master enterprises " operation timely and control it efficiently ; ( 4 ) providing strong auxiliary support for enterprises " operation analysis and decision and making enterprises " decision quick, scientific and effective ; ( 5 ) reasonable classifying customer management, shortening response time, increasing service quality and reducing enterprises " operation cost
該文章根據目前醫藥銷售系統存在的問題,採用delphi作為技術平臺,開發出適合現階段醫藥企業的客戶管理系統,實現了以下幾個目標: ( 1 )實現企業與客戶之間信息的共享和及時交換,縮短商品供貨周期。 ( 2 )對企業的業務流程進行全面優化,提高企業辦公效率,降低工作人員的勞動負荷。 ( 3 )建立企業有效的信息網路,使決策者能夠及時掌握企業的運營,進行有效的控制。The base of research on new pattern cooling system is that automotive engine works at 95 % of the hour in the range of part burdens, and that engine flat works in part burdens ; fuel consumption has great relation with cooling water temperature
研究新型冷卻系統的基礎在於,汽車發動機95的時間處于部分負荷范圍內工作,而恰恰在發動機處于部分負荷時,冷卻水溫對燃油消耗率有很大的影響。This paper finds out the mean value and variance of load sequence in a period of time based on statistics and then works out the bias ratio of every point in load sequence using corresponding calculation formula and at the same time compares it with threshold value so that " unhealthy data " can be removed and accurate and effective load forecasting can be ensured
本文利用統計學的方法,求出某段時間內負荷序列中的均值與方差,再利用偏離率的計算公式計算出負荷序列中每一點的偏離率,並與閾值相比較,從而除去「不良數據」 ,為準確有效地進行負荷預測提供了保證。分享友人