泵的使用范圍 的英文怎麼說
中文拼音 [bèngdeshǐyòngfànwéi]
泵的使用范圍
英文
application fields for pumps- 泵 : 名詞(吸入和排出流體的機械) pump
- 的 : 4次方是 The fourth power of 2 is direction
- 使 : Ⅰ動詞1 (派遣; 支使) send; tell sb to do sth : 使人去打聽消息 send sb to make inquiries2 (用; ...
- 用 : Ⅰ動詞1 (使用) use; employ; apply 2 (多用於否定: 需要) need 3 (敬辭: 吃; 喝) eat; drink Ⅱ名...
- 范 : 名詞1 [書面語] (模子) pattern; mould; matrix 2 (模範; 榜樣) model; example 3 (范圍) boundar...
- 圍 : Ⅰ動詞1 (四周攔擋起來 使裡外不通; 環繞) enclose; surround; corral 2 (繞; 裹) wrap Ⅱ名詞1 (四...
- 范圍 : scope; limits; extent; boundary; confines; range; range dimension; spectrum
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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 exterior and the install sizes all in the light of iso international criterion to design and make, the whole structure adopt after pull pattern of electrical engine direct link my companys patent, by centernog prop up, the structure is tightly, teardown and maintenance is convenient the bound of capability is broad the alnico of passing wrestdistance uses of advanced thulium material permanent magnet nd fe boron to make inside and outside magnet ; uses of the most streampadd nonmetallic material pad f46 inside to be made - up isolationsheath assembled and its provided with high strength dynam capability
,整體結構採用電機直聯的后拉式我公司專利,由中間支架支撐,結構緊湊,拆卸維護方便,性能范圍寬傳遞扭矩的磁鋼選用先進的稀土材料永磁體「釹鐵硼」製造內外磁體,使用最新型非金屬材料內襯f46製成的隔離套組合具有高強度的力學性能,徹底消除了一般磁力泵具有的磁渦流損耗,提高了整機的效率。The paper analyzes the non - lineal relations of the quantity of heat exchange and water flux of coil exchanger in part - load operating condition, the shortage of deciding the water flux in bypass pipe, the disadvantage that the operating condition of pumps and chiller ca n ' t be met with the load change of the air conditioning system in different operating condition of using pressure - difference bypassing control in primary water pump system. using load control method in the change of the operating condition of primary water pump system can realize that the load change is small and reasonable in the on / off condition of pumps and m m chiller by comparing load control method in primary variable - flow water pump system with pressure - difference bypassing control method, back water temperature control method
本論文從目前空調工程中使用的變流量水系統入手,研究了盤管換熱器在部分負荷下水流量與換熱量的非線性關系,分析了文獻中介紹的旁通管通流能力選擇的不足之處和一次泵水系統採用壓差旁通控制時,工況轉換不能滿足系統控制要求的缺陷;比較了一次泵變流量水系統中壓差旁通控製法、回水溫度控製法、負荷控製法的精確性,並得出了在一次泵水系統的工況轉換時,採用負荷控製法能使冷水機組及其相應水泵在啟停時的負荷變化范圍較小,更符合建築物的冷量需求,節能效果較好的結論。But there is still a difficult problem present in the low specific speed sewage pumps : with changeable operation points, the motor is often destroyed by overload, which restricts the application of the pump in many fields
但是低比速排污泵在工況多變的場合極易因過載而燒毀電機,這一問題一直沒有得到很好的解決,這大大限制了排污泵的使用范圍。Thanks to the advanced energy - saving hydraulic model, it is featured by high efficiency and wide performance range to better meet the operating requirements of users
該系列泵由於採用了高效節能的優秀水力模型,因此具有效率高,性能范圍廣等優點,更好地滿足了用戶的使用要求。And it can help us to open up the utilization scope of frequency changer. the main content have been studied in this paper. for example, the energy saving effect of the frequency changer utilization in tube - well irrigation, spray irrigation and drip irrigation, the influence of the frequency changer to the degree of consistency in tube - well irrigation, spray irrigation and drip irrigation, and the full - scale test of the frequency changer used in tube - well irrigation
本項目在國內首次提出了變頻調速裝置在管灌中使水泵進行「恆量變壓」變頻運行的設想,並首次對變頻調速裝置在農業節水灌溉中的應用進行了實地試驗研究,該研究成果對變頻調速裝置在管灌、微噴及大棚滴灌中的應用具重要的指導意義,對變頻調速裝置的設計研究及其應用范圍的拓展等具有一定的理論意義和很大的實用意義。It shows that the quasi two - stage compression heat pump system coupled with ejector can make use of energy more effectively, which proves that the point of the task is correct. this study will quicken the development of heat pump industries, expand the
本課題的研究有助於加快熱泵行業的發展,擴大空氣源熱泵使用的地域范圍,提高寒冷地區冬季採暖的能源利用效率,滿足能源可持續發展的要求。分享友人