計算損失數量 的英文怎麼說
中文拼音 [jìsuànsǔnshīshǔliáng]
計算損失數量
英文
loss quantification- 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...
- 算 : Ⅰ動詞1 (計算數目) calculate; reckon; compute; figure 2 (計算進去) include; count 3 (謀劃;計...
- 損 : Ⅰ動詞1 (減少) decrease; lose 2 (損害) harm; damage 3 [方言] (用尖刻的話挖苦人) speak sarcas...
- 數 : 數副詞(屢次) frequently; repeatedly
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 計算 : 1 (求得未知數) count; compute; calculate; reckon; enumerate 2 (考慮; 籌劃) consideration; pla...
- 損失 : 1. (失去) lose 2. (失去的東西) loss; wastage
- 數量 : quantity; quantum; amount; magnitude; number
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Based on the ostwald - de waele equation, the leakage characteristics of power - law transmitted by helical gear pump are researched, and the leakage model of power - law in the clearence is founded, and - the velocity distributing and the leakage capacity are worked out by the boundary condition. the power loss of leakage is got through the clearence leakage capacity, and the friction power loss is attained by the velocity distributing. the mathematic calculation model
利用冪律流體本構方程,首次對聚合物流體在斜齒齒輪泵中的漏流特性進行了研究,建立冪律流體在間隙中的泄漏模型,利用邊界條件求出速度分佈及泄漏量;由間隙泄漏量得到漏流損失功率,由速度分佈得到流體摩擦功率損失,並得到間隙最優解的數值計算數學模型,同時給出實例及數值計算結果。The numerical computation for the secular variable of the semi - major axis, solar distance at perihelion, orbital periods and longitude of perihelion has been made for fifteen meteor streams by using the solution of gylden - meshcherckii equations
利用g - m型變質量天體軌道根數變化方程的一階和二階解對15個流星群軌道半長軸、近日點距離、軌道周期和近日點經度因太陽質量損失造成的每世紀的長期改變效應做了數值計算,並得出計算結果。Throughout the analysis and calculation of thermoelectricity cogeneration, exergy analysis method, we can know the system ' s energy lose ratio and its reason, and endeavor to improve the technology for energy return
本文採用了(火用)分析與計算方法分析了系統中能量損失的數量和部位,為節能技術改造提供有效的依據。The article takes a 600mw natural cycle drum boiler ( soot blow using steam ) as investigating object, establishes soot accumulation loss and soot blowing energy loss models for its water cooling wall, superheater, economizer and air preheater respectively, set up instructions for soot blower operating. simulating calculation results are compared with site data to verify usefulness of key models. the article introduced the operation optimizing design of soot blowers of yanzhou no2 power plant based on theoretical research
本文以600mw汽包自然循環鍋爐(蒸汽吹灰)為具體分析對象,分別建立其水冷壁、過熱器、省煤器、空預器的積灰損失和各受熱面吹灰能量損失的模型,建立相應的吹灰器運行規則指導,對設計中的關鍵模型問題,通過模擬計算及與現場數據作比較的方法,驗證其可用程度。Our results show that, during the evolution of a binary system, the system widens as it loses mass, and the orbital period increase, while orbital eccentricity remains nearly constant, which can explain the distribution regulation of orbital elements of normal g - k giant and barium stars and the distribution character of the heavy - element abundances of barium stars
計算結果表明,隨著星風吸積過程的進行,在星風質量損失階段系統軌道半長軸將增大,導致軌道周期增大,而偏心率變化不大,由此可以解釋普通紅巨星雙星系統和鋇星系統的軌道根數的分佈規律和變化情況以及鋇星重元素豐度分佈特徵。After thermodynamic calculation on several operation conditions of the furnace, cold - state flow and resistance mensuration, the combustion of the tubular - furnace hearth was changed into swirl and addition of radiate cylinder and oxygen content detection minish 1. 25 surplus air to less than 1. 15, improving the combustion condition and convection and radiate heat transfer efficacy, resuling in reducing the waste - gas temperature 45, decreasing exhaust gas loss, and saving fuel by 6 %
摘要通過對加熱爐幾種工況進行熱力計算、冷態試驗的流場分佈及阻力測定和熱態試驗的爐膛溫度場分佈及管壁溫度等參數的測定,確定將管式加熱爐爐膛內直流燃燒改為旋流場燃燒和增加輻射筒,增設煙氣含氧量分析,可以將燃燒的過剩空氣系數從1 . 35減小到1 . 15以下,極好地改善爐膛內的燃燒狀況和對流輻射傳熱效果,從而降低排煙溫度45 ,減少加熱爐排煙損失,節約了煤氣量6 %以上。( 2000 ). the neutron irradiation is assumed to derive primarily by the reaction 13c ( a, n ) i60 with a minor contribution from the marginal burning of 22ne through the channel 22ne ( a n ) 23mg in the final, high temprature phase of each flash. and we considered the influence of the various parameters such as the initial core mass, the envelope mass, the mass - loss rate, the overlap factor and the delution factor etc., and we vary their value with the pulse number
本文採用分叉s -過程反應通道,以~ ( 13 ) c ( , n ) ~ ( 16 ) o 、 ~ ( 22 ) ne ( , n ) ~ ( 25 ) mg為雙脈沖中子源,用最新的中子俘獲截面,利用gallino和busso等人給出的agb星三殼層核合成模型,考慮到核心質量、挖掘程度、重疊因子、稀釋因子及星風質量損失率隨脈沖數的變化,詳細計算和研究了各個金屬豐度情況下的3m 。3. on boiler retrofit, the calculation of fuel burning, the heat calculation of boiler inside structure and convection section, and the design of structure parameter of feed water heat exchanger are made. the flue gas channels " resistance calculation and the boiler strength verifying are also carried out. replacement of water cooling wall improves heat exchanging and decreases loss of heat radiant
對鍋爐本體進行了燃料燃燒計算、爐膛結構熱力計算、對流受熱面結構熱力計算、鍋爐給水加熱器結構參數設計、煙道阻力計算及鍋爐元件強度校核等;改進了水冷壁布置使換熱效果更好,減少輻射換熱損失;改進對流段結構,更充分的利用爐膛出口煙氣余熱,提高熱效率;並且進行了煙氣阻力計算、熱效率計算和能量平衡測試,對改進后的稠油燃料和改進前進行了對比,燃燒狀況和熱效率有明顯改善。Using flyer velocity gained from energy characterizing method, definite parameters of flyer and explosive, deterministic parameters of initiation system critical initiation energy to flyer of explosive can be theoretically calculated. associating with critical initiation voltage of explosive experiment measuring comparisons and evaluations can be conducted for flyer sensitivity of explosive
利用能量損失法求出的飛片速度以及已知的飛片參數、炸藥參數、起爆系統中的既定參數,可以對炸藥的飛片臨界起爆能量進行理論上的計算,結合實驗測量的炸藥臨界起爆電壓值,可以對炸藥的飛片感度進行比較和評價。Using these data, we estimated cotton planting farmers " pesticides application equation and damage control production function, calculated the impact of bt cotton on pesticides use and cotton yield, and compared the poisonging probability due to pesticides application between bt cotton and non - bt cotton planting farmers. using bt cotton adoption area and the above results, this paper calculates the impacts of bt cotton on pesticides application, cotton production and poison cases all over china since the beginning of its adoption in china in 1997. the results demonstrate that the adoption of bt cotton reduced pesticides use approximatly 35kg per ha ; this is equivalent to 875 yuan of cost reduction
利用這些數據我們估計了種植棉花(包括轉基因抗蟲棉和非抗蟲棉)農產農藥施用方程和棉花損失控制生產函數( damagecontrolproductionfunction ) ,估計了抗蟲棉對棉花農藥使用和棉花產量的影響,同時比較了種植bt棉與非bt棉農產在使用農藥過程中中毒概率的差異,在此基礎上,利用抗蟲棉在全國各地的推廣面積以及以上的分析結果,測算了1997年以來抗蟲棉的推廣對全國棉花農藥使用量、棉花產量以及棉農施農藥中毒事件的影響,並對其經濟影響的不同受益者作了分析分解。The main mission of simulation is to help trouble removal people reconnaissance field, calculate parameter and analyze causality fast. and with these, the reason for accident, the policy on how to avoid accident and minimize loss will be conclude
其主要任務是輔助事故處理人員快速、高質量地進行現場勘察、參數計算和因果分析,進而研究事故發生的原因,探求避免事故、減少損失的策略。The emulational calculating theories of traction power supply system ' s operating charts combine with actual things of engineering design at present in chapter three, to set up traction web current distributing mathematical model, integral distributing mathematical model, locomotive distribution and obtaining current model at every moment, and on which making use of mathematical planning methods to set up mathematical models is based at every moment in every instance interval of the railroads. for instance, instantaneous current, instantaneous voltage descent and effective current, main changing capacity and so on, in addition, there are the minimum power shortage model, the optimal transformer substation location, the least engineering expenditure, the optimal mathematical model of traction power supply system. optimize design ' s algorithm of traction power supply system is introduced in detail in chapter four, where programming idea and realizing method of the computer software are given an explanation
本研究主要進行了以下工作:結合牽引供電系統運行圖的模擬原理和現行工程設計的實際情況,建立了牽引網電流分佈、積分分佈、任一時刻機車分佈和取流的數學模型;應用數學規劃方法建立了任一距離區間、任一時刻的瞬時電流、瞬時電壓降數學模型和有效電流、主變容量和主變壓降、最小功率損失、最佳變電所容量、最佳變電所位置、最少工程費用、最少運營維護費用和牽引供電系統方案最優等方面的數學模型;闡明了牽引供電系統優化設計的演算法和計算機軟體編程思想及實現方法;進行了工程實例計算;最後,對牽引供電系統優化設計技術應用進行了總結。The second chapter simply introduces the development of alternate asynchronous inverter technology and retrospects some types of energy - saving systems for hydraulic elevators. then the working principles of the project are discussed and analyzed at four different working status, i. e. light load upwards, heavy load upwards, light load downwards and heavy load downwards. and the chapter focus on the introduction of structure design of pump station, calculation and type selection of pump / motor reversible units, research on oil leakage principles of accumulator circuit, design of accumulator - pump / motor pressure - energy transformer and integrated valve blocks, etc. the last but not the least, the electrical wiring of vector inverter control cabin and design of computer control and data acquisition system are introduced
論文第二章首先簡單介紹了交流異步電動機變頻調速技術的發展概況,在回顧電梯液壓控制系統節能技術的基礎上,介紹了本課題研製的「採用蓄能器的液壓電梯變頻節能控制系統研究」的基本原理,分析了動力系統在電梯轎廂輕載上下行、重載上下行等四種典型工況下的基本工作狀態和工作方式;詳細地介紹了本課題節能系統液壓動力泵站的結構設計和參數設計,重點研究了液壓動力泵站的結構設計、液壓泵馬達可逆性問題及其選型設計計算、蓄能器迴路泄漏油損失機理的研究及其補償裝置的設計、蓄能器-泵馬達壓力能量轉換裝置的設計、多功能集成控制閥組的設計等內容;最後簡單介紹了本課題矢量控制變頻控制櫃的外部附件電氣接線、計算機控制及數據採集系統的硬體設計等內容。Via the analysis of heat balance computation model and the computation of online heat balance for industrial coal boiler, this dissertation researched overall input heat, efficient utilized quantity of heat, heat losing of discharge flue gas, heat losing of chemistry and mechanism incomplete combustion, heat losing of dispelling heat of boiler, heat efficiency, air superfluous coefficient, wind speed, wind quantity, computation of primary air circle cutting and whose influence on boiler combustion efficiency
本文通過對工業煤粉鍋爐熱平衡計算模型的分析,利用在線熱平衡計算,研究了總輸入熱、有效利用熱量、排煙熱損失、化學不完全燃燒熱損失、機械不完全燃燒熱損失、鍋爐散熱熱損失、熱效率、空氣過剩系數、風速、風量及一次風切圓計算以及這些因素對鍋爐燃燒效率的影響。As for the direct economic losses, it is easier to quantitative analysis, the researchers adopt usually the market valuation ; as for the indirect economic losses, the researchers usually have the aid of the input - output method of the complete wastage coefficient of input - output ; as for the disaster relief losses, the researchers usually adopt the investigation method to quantitatively calculate the input expenditure of preventing drought, and make use of shade price of economics to quantitatively calculate the investment premium losses
對于直接經濟損失的定量較容易確定,採用市場價格法;對于間接經濟損失的定量,借用了投入產出完全消耗系數的投入產出法;對于災害救援損失的定量,其中的抗早投入費用採用統計調查法,而投資溢價損失移用經濟學中的影子價格來計算。The water seepage from canal systems was one of the major factors in the analysis of water supply - demand balance. through the analysis of the monitoring data on water delivery in the canal systems, a generalized model of water loss at a unit length of canal and a mathematic model of canal percolation replenishment to the moving table of underground water were recommended
渠系滲漏是供需平衡分析過程中的一個主要因素,通過對渠系輸水測試資料的分析研究,本文提出了單位長度渠系輸水損失量的概化模型和變動水位條件下渠系滲漏補給量的數學計算模型。By test data, variation of water head damage in filter lager and quantify of intercept filth in filter lager, filter cycle, analyse research of filter relation and data count by computer. i reach a mathematics relation among related coefficients
通過實驗數據,對濾層水頭損失的變化,濾層截污量,截污濾層阻力增長及過濾周期、濾速關系進行了分析研究,並利用計算機進行了數據統計,得出相關參數之間的數學關系。To the problem that finding rules in enormous data is very time - consumable and the expansibility of existed algorithms is not very good, the thesis proposes a new method to discompose large data table based on the concepts of positive region and the importance of attribute in rough set theory. existed algorithms of rule deduction can be applied directly on the tree structure obtained by partition and the times for computation will be reduced observably. validation of information entropy on the partition structure shows that the partition of data table will not lead to the loss of information, while the computing speed increases at the same time, which reflects the practicability and rationality about the partition of large data table
針對海量數據處理起來極為耗時,現有演算法拓展性較差的問題,基於rough集理論中的集合正域概念以及由此定義的屬性重要性概念,提出一種大型數據表分解演算法,現有的規則歸納演算法可直接在分解得到的樹型結構上應用,將大大降低知識發現的時間,並從信息理論的角度利用信息熵概念對該分解結構進行了驗證,分析了這種分解的實用性及合理性,揭示了這種分解結構在提高計算速度的同時不會損失信息量。At the same time, the method of disposal phase shift of ct by compensation is introduced. then the analysis and statistic of electrical power quality, the control scheme and compensating amount of capacitor for reactive power compensation are analyzed respectively. and in the paper, the control with a / y and the switch with ac contactor and solid state switch is valid measure not only for improving operate level economically and amending electrical power quality but also for avoiding of replacing switch frequently and decrease economic loss
然後對現有的演算法進行了詳細的分析、比較,篩選出既能滿足硬體要求又可降低投資、保證精度、簡化軟體的方案,確定了準同步采樣的方案,並通過對準同步采樣誤差的分析,提出了一種從45開始采樣,從而提高精度的采樣數據處理辦法,同時,對于電流互感器相位漂移提出了一種補償辦法,接著對裝置中電能質量分析與統計以及無功補償中電容器的補償量、投切原則也作了相應分析,其中對于無功補償採用y混合接線,並利用交流接觸器和固態開關共同投切電容,不但提高了經濟運行水平、改善了電能質量,而且有效的避免了頻繁更換開關,減少了經濟損失;最後,設計了裝置的硬體電路並繪制了相應的軟體流程圖。On the basis of deficiency of study on regional drought and severi ty of droughts in chongqing, this article analyses the cause of formation of droughts, characteristic and distribution in chongqing, and puts forward to system of targets assessment main parameter and calculation technology for drought economic losses of chongqing directing against the blank of quantitative research of economic losses of the droughts in chongqing, moreover combining with qualitative methods and quantitative methods. at last, this article analyses the economic losses and impact on social economy of chongqing in an all - round way by an example of the mid - summer drought in 2001, in order to offer reference that quanti tat i ve research on droughts economic losses and disaster economic losses for chongqing even southwest
本文基於區域旱災研究的不足和重慶市旱災的嚴重性,在分析重慶市旱災成因、特點和分佈的基礎上,針對重慶市旱災經濟損失定量研究的空白,將定性方法與定量方法相結合,提出了重慶市旱災經濟損失評估的指標體系、主要參數及計算方法,並以2001年重慶市伏旱為例,全面分析了重慶市伏旱經濟損失及其對社會經濟的影響,為重慶市乃至西南地區旱災經濟危害和災害經濟損失的定量化研究提供參考。分享友人