節流率 的英文怎麼說
中文拼音 [jiéliúlǜ]
節流率
英文
throttle rate-
A white led driver circuit is presented in this paper. the circuit drives up to four white leds with regulated constant current for uniform intensity. by utilizing proprietary adaptive 1x / 1. 5x modes and ultra - low - dropout current regulators, it maintains the highest possible efficiency over the full 1 - cell li + battery input voltage range
整體電路以恆定電流驅動4隻白光led ,利用1倍/ 1 . 5倍分數型電荷泵和低壓差電流調節器,在整個鋰電池供電電壓范圍內保持最高的效率,並使四個白光led獲得均勻的亮度。The dissertion, after introducing physical geography situation and societal economic sitiuation of chongqing, has also analysed the basic feature of water resources in chongqing, at present the water resources utilization in chongqing is still in traditional phase. there are so many faults and shortcomings in water resources management system. the construction of water resources institutions and regulations is fallen behind. the supply of water resoures has not sufficiently satisfied the demand to water resources. the condition of water quality has not radically improved. soil losses is still serious. the incidence of flood and drought is very high. in accordance with present condition of water resources utilization in chongqing, the dissertion argues that it should strengthen people ' s understanding to water resources sustainable utilization for chongqing ; reform the present water rexources management system and have a try on water affairs management system in chongqing ; make effort to construction of water resources " institutions and regulations ; realize demand management, constuct save - water model society ; according to actual condition, strength water utilization constrution, then realize the balance between water resources supply and demand ; according to the idea of " control resources, conduct flow ", control water pollution, realize sanitary generation ; control soil losses and protect water enviroment ; construc t the system of flood control and diaster prevent
在對重慶市的自然地理情況和社會經濟情況作了介紹之後,還分析了重慶市水資源的基本特徵,目前重慶市的水資源利用還處在傳統的開發利用階段,水資源管理體制還存在許多弊端,水的法規制度建設也相對落後,水的供給還不能完全滿足需求,水質狀況沒有得到根本性的改善,水土流失還很嚴重,水旱災害發生的頻率比較高。針對重慶市水資源利用的現狀,本文提出:應加強對水資源持續利用的認識;改革目前重慶市的水管理體制,嘗試水務局管理體制,相應加強水的法規和制度建設,實現需水管理,建立節水型社會;根據實際情況,加強水利建設,實現水的供需平衡;依據「控源導流」的思想控制水污染,實現清潔生產;治理水土流失,保護水環境;建設防洪減災體系。A th - 1025 thoron source made in pylon company of canada was adopted. thoron gas is mixed with circulation gas before they are input into the thoron accumulation box. the thoron level in the thoron accumulation box can be adjusted by changing the gas flow rate through the thoron source, or adding different volume of delay boxes in source input circuit, and me
簡易(氣土)室採用加拿大pylon公司生產的th - 1025型流氣式固體(氣土)源, (氣土)進入積累箱之前先與循環氣流混合,積累箱中的(氣土)濃度可以通過改變流經(氣土)源的氣流流率或在充源迴路加不同體積的延遲瓶加以調節。According to a series of experimental data, the effect of following factors on the temperature in the ultra - low temperature box and cop are analyzed : the mixture composition, the pressure ratio and the return fluid extraction ratio of the rectifying column, the refrigeration capacity and the flow rate through throttle valve
並根據一系列實驗結果,分析了工質配比、循環壓比及精餾柱迴流液的抽取率、加熱量和節流元件對低溫箱內溫度和系統cop的影響,為今後的進一步研究指明了方向。The improvement system is made up of the pressure sensor, flow sensor, displacement sensor, electro - hydraulic proportional flow control valve, power amplifier, data gathering board and computer. the platform can carry out testing the hydraulic parameters, processing the tested data, saving the processed data and drawing, adjusting the pressure automatically
改造后的測控系統主要由壓力傳感器、流量傳感器、位移傳感器、比例節流閥、功率放大器、數據採集卡和計算機組成。改造后的實驗臺具有自動採集實驗數據、自動處理實驗數據、自動保存實驗數據、自動調節液壓系統負載壓力等功能,大大提高了實驗臺的工作效率、測試精度和智能化水平。Through analyzing the figure of energy wasting of pump, the quality in pipes is direct proportion of the speed of pump if the speed of pump is reduced. the power of electromotor fell the cube of the speed of pump. so the energy wasting of constant pressure water supply based on variable frequency speed regulating technology is envident less than the traditional mode is used throttle to supply water
分析水泵工況的能耗比較圖,可以看出利用變頻調速實現恆壓供水,當轉速降低時,流量與轉速成正比,功率以轉速的三次方下降,與傳統供水方式中用閥門節流方式相比,在一定程度上可以減少能量損耗,能夠明顯節能。We should increase the rate of using energy and resolve the energy crisis problem by seeking more energy source and reducing expenses
應提高能源利用率,通過開源與節流來解決能源危機問題。The limitation of mini - volume and mini - power application condition is adequately considered, and design of whole refrigeration system is accomplished farther, including choose and structure design of compressor, choose and calculation of heat exchanger, calculation of capillary, etc. structure design of the rotary compressor is the most primary part of the design of whole refrigeration system
根據計算結果,並充分考慮到小體積、小功率的應用環境限制,進一步完成了整個製冷系統的設計實現,包括壓縮機的選型和設計、換熱器的選擇和計算以及節流管的計算等等。其中,滾動轉子壓縮機的結構微型化設計是整個製冷系統設計的核心部分。The advantages of hcci are numerous comparing with the traditional engine. relative to si gasoline engines, hcci engines are more efficient, because they have no elimination of throttling losses, use the high compression ratios and have shorter combustion duration. relative to cidi engines, hcci engines have extraordinarily lower emissions of pm and nox and can offer more power as high as cidi engines with the dilute homogeneous air and fuel mixture
與傳統的發動機相比均質壓燃( hcci )具有很多優勢:與火花點火汽油機相比, hcci發動機由於沒有節流損失,壓縮比較高,燃燒持續期短,其效率更高;與直噴柴油機相比, hcci發動機的碳煙和氮氧化物排放非常低,並且稀薄空燃混合氣可以產生與柴油機一樣高的功率。Tar throttle angle rate
節流閥角速率The conclusion is drawn that in the quasi two - stage compression heat pump system coupled with ejector, discharge temperature of the compressor is decreased effectively, electric power is reduced, and heating performance is increased compared with those of the flash - tank throttle system in the same conditions. it shows that the quasi two - stage compression heat pump system coupled with ejector improves performances of air - source heat pump in theory
由結果可以看出:在相同工況下,準二級壓縮?噴射復合熱泵系統可以有效降低壓縮機排氣溫度,所消耗的電功率較閃發器節流系統有所降低,制熱性能有所增加,從理論上說明該系統在解決空氣源熱泵低溫適應性問題上有進一步突破。The simulation results prove that the pdm control theory can be fit for the high frequency ac link power conversion distribution system, especially be suitable for the electric driver system of the electric vehicle in the future
模擬結果表明,本文提出的這種高頻交流脈沖密度調制技術適用於高頻交流環節功率變換分佈系統,特別適合於作未來電動汽車的高頻交流驅動系統。According to the working theory of the joule - thomson throttle coolers, the characteristics of mixed refrigerant and thermodynamic performance of a mixed - refrigerant j - t refrigeration cycle are analyzed systematically. the essence of improving thermodynamic efficiency of j - t coolers with mixed - refrigerant is revealed in - depth. 4
闡述了混合工質j - t節流製冷機的工作原理,研究單純工質和混合物工質的節流效應,比較混合工質節流製冷機與純工質節流製冷機分析方法上的一些不同,分析了採用混合工質提高節流製冷機熱效率的機理; 4The aim of this study is to compare the thermodynamic characteristics of different j - t refrigerator cycles with mixed refrigerant in - 40 " c ~ - 120 " c temperature range and to find out the refrigerator type with high thermodynamic efficiency and high reliability, as well as the corresponding optimum composition of the refrigerant mixture
本文的研究目的就是通過理論和實驗兩方面深入的分析和比較各類混合工質節流製冷機循環在- 40 - 120溫區的熱力學性能,探求其中的內在規律,找到該溫區內具有較高熱力學效率和高可靠性的製冷機型式以及相應的最優混合工質成分。In order to solut this problem, it is neceecary in command the works of mineral resoures by the scientific development view : not only saving the materials, but also developing the soures ; not only stand up in our territory, but also go toward the world
為解決這一問題,必須用科學發展觀來統率礦產資源工作:既要節流,更要開源;既要立足於國內,也要走向世界。With mixed - refrigerant, the thermodynamic efficiency of j - t cooler can be greatly improved. in this thesis, an open fast - cool - down j - t cooler driven by the high pressure pure nitrogen is investigated, and we also proposed mixed - refrigerant j - t coolers driven by a single stage oil - lubricated air - conditioning compressor. these two systems were studied both in theory and experiment
採用混合工質的j - t節流製冷機在熱效率上比純質有大幅度的提高,本文從理論和實驗兩個方面分別對開式的j - t快速節流製冷機系統和用空調壓縮機驅動的混合工質閉式j - t節流製冷循環進行了研究。In reducing expenditure, we will make every effort to do more with less while ensuring that essential services are not affected
在節流的同時,政府會透過效率提升,以更少的資源提供更多服務,並確保必要的服務不會受影響。64. in reducing expenditure, we will make every effort to do more with less while ensuring that essential services are not affected
64 .在節流的同時,政府會透過效率提升,以更少的資源提供更多服務,並確保必要的服務不會受影響。As regards the financial strains experienced by the ha, we believe the problem should be tackled by cost containment and identification of new revenues. in view of the heavy subsidisation for public health care services, fee adjustment alone cannot ease the ha s budget deficit. the administration will consider different funding mechanisms to help the ha make ends meet
至於醫管局的財政壓力,我們認為應透過開源節流及改善管理處理有關問題,由於現時公營醫護服務收費補貼率偏高,單靠收費調整不足以紓緩醫管局的財赤。The results of research indicate that the pressure, the thrust and the fuel regression rate of the motor decrease while the o / f ratio increasing with the burning time lasting. the special impulse reduces when throttling
研究結果表明:壓強、推力和燃料退移速率隨發動機工作時間增加而降低,氧化劑和燃料的配比升高;節流時,發動機比沖降低。分享友人