constant supply 中文意思是什麼
constant supply
解釋
經常供應-
They are widely used in many fields such as telecommunications, finance, traffic, gymnasium etc. led drivers are necessary in the application of led displays. they can supply constant output current and make the led light even, and also can make the led ’ s life longer
Led顯示屏的應用離不開它所需要的驅動控制電路，通過驅動電路來獲得良好而平穩的電流，使led顯示更加均勻，滿足各種場合的應用要求，同時可以延長led的使用壽命。 -
Presents the steady - state programming with constant coolant average temperature and constant live steam pressure, an ideal programming for marine nuclear power plant ( npp ), under which, both the coolant average temperature and the live steam pressure of nuclear steam supply system ( nsss ) are constant when the steady state operating condition is varied, and points out that in comparison with the steadysate programming with constant coolant average temperature, the ideal programming can improve the overall operating performance of npp effectively, especially in low - load range, for instance, raise the heat efficiency of npp, decrease the operating noise of main coolant pump, and improve the conditions of design, operation and control of the secondary loop system
雙恆定運行方案是船用壓水堆核動力裝置的理想運行方案.在這種運行方案下，當裝置穩態功率變化時，冷卻劑平均溫度與蒸汽壓都保持不變，與通常採用的冷卻劑平均溫度恆定運行方案相比，有效地改善了核動力裝置的總體運行性能，特別是在低負荷運行時，可以提高裝置經濟性、降低主泵運行噪聲、改善二迴路系統的設計、運行和控制條件，這對于提高船用核動力裝置的運行可靠性和安全性具有實際意義 -
The most elaborate measures are taken to ensure a constant water supply.
為保證持續不斷地供水，採用了煞費苦心的措施。 -
Study on high voltage and constant current charging power supply based on soft switching
基於軟開關的高壓恆流充電電源的研究 -
It uses 300w temperature controlling power supply, which contains power supply of the main board, printer, ticket read - in device, supplemental displayer as well as some others. it possesses linkable protection and automatically temperature controlling functions. there is constant ups power supply inside the machine, after the power blackout there would still be 3 - 5 minutes for prolonged working
[電源]電源採用300w溫控電源，包含主板、印表機、讀票機、付顯顯示器等的電源，有聯動保護和自動溫控等功能。機內帶有ups不間斷電源，停電后尚有3 - 5分鐘的延遲工作時間。 -
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。 -
Mercury lamp transformers - constant - current series supply type
水銀燈變壓器.恆定電流 -
Transitional feature of the arc and metal droplet in the welding process with steam shielded arc is investigated by means of analysing the waveforms of welding voltage and current under different welding regimes and it is found that there are two types of arc process behavor ? " arc starting - arc blowing out - short - circuiting " and " arc - starting - short - circuiting ". under the condition of constant diameter of welding wire and its feeding speed, the arc process behavor can be changed by adjusting the inductance of welding circuit as well as the voltage of power supply. if arc process behaves as alternative process of " arc starting - arc blowing out - short - circuiting " with minimum time duration of arc blowing out and maximum frequency of short - circuit transition, the welding process will be stable with less spatter and smooth weld bead
通過分析不同焊接規范下的焊接電壓和電流的波形.研究了水蒸氣保護下電弧及熔滴過渡的特點，發現其電弧過程行為有「燃弧?熄弧?短路」和「燃弧?短路」兩種形式.在焊絲直徑和送絲速度一定的情況下，通過調節焊接迴路中的電感量和電源電壓，可以改變電弧的過程行為形式.若電弧過程呈「燃弧?熄弧?短路」交替進行，並且熄弧時間最短時，短路過渡頻率最高，在這種情況下，飛濺小，焊道成型好，焊接過程穩定 -
This paper focuses on the control strategies to improve the performance of the three - phase ac - dc pwm voltage - source - converters ( vsr ) under unbalanced power supply. the problems such as negative sequences current, voltage and current harmonics and un - constant ( un - smooth ) power flow from ac to dc side are discussed in this paper. the analytical solutions for negative sequence current and harmonic current elimination are obtained by fully feed - forward of negative sequence voltage and producing a non - harmonic current command of the inner - loop
電網不平衡時，基於電網平衡為約束條件設計的三相vsr將出現不正常運行狀態，比如三相vsr交流電流中出現負序分量，使交流電流嚴重不對稱；直流電壓和交流電流中出現非特徵諧波分量，使直流電壓和交流電流波形發生嚴重畸變；三相vsr從電網吸收不平衡的瞬時功率等一系列問題。 -
We bargained with the producer for a constant supply of the articles
我們與廠家訂約，要他經常供應貨物。 -
2, when there is no power supply, pulling hand chain could enable the door to rise slowly, pulling deadweight lowering dragline could enable the door to go down at constant speed by deadweight. 3, the door could be positioned accurately at any location with in the travel
為我公司生產的遙控器和卷門機的配套產品，可在無電的情況下自動實現卷簾門上下，並且在有電的情況下自動充電蓄電。 -
The variable polarity power supply circuit uses two stages full - bridge inverter, the former inverter is regarded as a constant - current source with fast dynamic response, and supplys energy for the second one, and the latter one is to produce variable polarity current excellently, and low - frequency pulse current by variable polarity power supply is used to reduce input energy and control the shape of weld bead while welding. a series of high - frequency pulse current is superposed on direct - current - electrode - negative ( dcen ) current through the high - frequency pulse power supply, which is used to compress the arc and improve process of crystallization
其中變極性電源採用二次全橋逆變結構，一次逆變提供快速的響應速率並給二次逆變提供能量，二次逆變提供良好的變極性性能，使輸出能量最優化，並用其低頻電流特性減小電弧線能量，控制焊縫成形;高頻脈沖電源提供的高頻電流疊加在反極性電流dcen上，利用電流的高頻特性壓縮電弧，改善焊縫金屬結晶過程。 -
After the wtc attack, the supreme master ching hai international association set up two supply stations only two streets away from ground zero, working in shifts from early morning to midnight, providing a constant supply of food and drinks to the rescue workers
清海無上師世界會自世貿遇襲后便深入到距離救難現場僅兩條街處，設置兩處補給攤位，每天從清晨到深夜不斷輪班為救災人員遞送糧食飲水。 -
Constant output characteristic is performed by voltage feedback, and the dynamic characteristic control of power supply is realized by modifying the reference voltage in di / dt feedback loop
利用電壓負反饋實現所要求的平外特性。對電源動特性的控制通過改變反饋電路中的給定焊接電壓實現。 -
As a steel product of higher additional value, seamless steel pipes are often impacted by raw material supply and macroeconomic environment just as other industrial products and investment projects. the constant domestic economic growth in the coming five years as well as national enlarged investment in energy projects offers pcg a very good opportunity for growth in seamless steel pipes
無縫鋼管是鋼鐵產品中一項附加值較高的產品，作為工業品和資本項目投資的原材料受宏觀經濟環境影響較大，未來五年內國內的宏觀經濟持續好轉及國家對能源項目的大力度投入給無縫鋼管這一產品的發展創造了一個良好機遇。 -
The hardware circuit design include : industrial control computer configuration, selection of industrial control board type, design of the power supply and monitoring interface circuit, design of signal processing interface circuit ( the constant current source circuit, the time base signal processing circuit, the processing circuit for the signal to be measured ), design of panel control circuit, design of the system self - checking circuit, and etc. the program flow hart include : main program flow chart, system boot - strap self - checking program flow chart, manual static testing program flow chart, semiautomatic static testing program flow chart, automatic static testing program flow chart, dynamic testing program flow chart, transient testing program flow chart, source voltage and current monitor program flow chart, investigate function testing program flow chart, and etc. the measure system offers six working power supplies, the signal of time base, the signal of constant current source, sine wave signal and step to leap signal, and measures the frequency of the output pulse signal of the wide range pulse convert circuit accurately under three kinds of different test state ( static form, dynamic form and transient form )
硬體電路設計包括：工控機配置、工控板卡選型、產品電源及監控介面電路設計、信號處理介面電路（恆流源電路、時基信號處理電路、被測信號處理電路）設計、面板控制電路設計、系統自檢電路設計等。程序流程圖包括：主程序流程圖、系統開機自檢程序流程圖、手動靜態測試程序流程圖、半自動靜態測試程序流程圖、自動靜態測試程序流程圖、動態測試程序流程圖、暫態測試程序流程圖、電源電壓和電流監控程序流程圖、研究功能測試程序流程圖等。測試系統提供六路工作電源、時基信號、恆流源信號、正弦波信號和階躍信號，並對三種不同測試狀態（靜態、動態、暫態）下大量程脈沖變換電路輸出脈沖信號的頻率進行精確測量。 -
In order to do that, these fuel cells must be given a constant supply of hydrogen
為此，這些電池必須持續穩定地獲得氫。 -
But even now, with demonic magic in constant supply, many of the blood elves are hungering for even more magic
但是即使這樣，有持續的惡魔魔法提供，很多血精靈還是渴望更加強大的魔法。 -
Siberian ginseng and ginkgo biloba ensure a constant supply of oxygen, blood and nutrients to the brain to help you keep a clear mind at all times and fight stress
草本植物人參和銀杏葉有助把氧氣、血液和營養源源不絕地送往腦部，助你時刻保持頭腦清晰及增強記憶力，讓你從容不迫面對壓力。 -
If required, we can manage the complete supply chain from the forest to your factory. this way you will be guaranteed of a constant supply of raw materials at the lowest possible cost
如有需要，我們可以負責安排從歐洲森林到貴公司的全套供應鏈，這樣可以保證貴公司的原材料能以最低的價格穩定供應。
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