輕載的 的英文怎麼說
中文拼音 [qīngzǎide]
輕載的
英文
low duty-
; 1. the trend of the development of burden and light hanging basket in the cantalever construction of continuous rigid frame bridge has been prospected, the roof truss and cable - state composite hanging basket also has been designed by analyzing and comparing with other ones. 2
對大跨度橋梁懸臂澆築施工的各種形式掛籃施工工藝進行了比較和總結,對連續剛構橋懸臂澆築掛籃施工中重載輕型的發展趨勢進行了展望,提出了一種用於解決重載輕型懸臂澆築施工的新型桁架斜拉式組合掛籃,並進行了可行性分析計算和設計。Choose two nodes on the edge of the structural to compare the results calculating by the finite element program midas, then we can draw a conclusion that these kinds of space truss systems is sensitive to the libration of the dynamic wind loads. to consider this factor is very necessary in the process of design, we will use the pulsant augmentation coefficient to realize it
比較靜力風荷載和動力風荷載作用下的有限元軟體的計算結果,選取結構邊緣部分的兩個節點,對比它們在兩種方法計算下的最大位移的計算結果。經過比較可以看出重量輕、頻率低、阻尼小的柔性建築物對風荷載的橫向振動是很敏感的,在進行工程設計時應該考慮這種因素,並可採用乘以風振系數等相應方法來加以體現。However, the efficiency of pwm at light load is low and the filter design of pfm is rather difficult due to the random characteristic of the frequency spectrum distribution
採用相應調制方式的ic品種繁多,各有千秋。但pwm在輕載時效率較低,而pfm由於頻譜分佈隨機,不利於后續濾波器的設計。The lightening design of vehicle should guarantee the strength, stiffness, mode and crashworthiness of the car body in the condition of raising train speed
車體承載的結構輕量化,要保證車體的強度、剛度、動態特性和耐碰撞性等滿足提速客車的要求。Standard test method for dispensability of light - duty pressure - sensitive film tape
輕載壓敏膜帶的非必需性的標準試驗方法And also, the wear resistance at ambient temperature and of za27 alloyed with mn when lightly loaded is desirable but becomes worse at high temperature. the wear mechanism of the one mixed with both adhesive and abrasive wear under sliding friction conditions ( at high temperature )
Si的加入量為1 - 3時, za27合金的磨損量最少,高溫摩擦性能最好;加入mn后, za27合金在低溫輕載下耐磨性能較好,高溫耐磨性能不理想;在滑動摩擦條件下(高溫)的磨損以粘著磨損和磨料磨損兩種方式共同存在。Controller can output four teams of light - load, half - load, and full - load and overload relay contact signal, and 010ma, 1010v or 010v analog signal
可輸出輕載半載滿載超載四組繼電器觸點信號和010ma 1010v或010v的模擬信號。In order to implement an energy - saving method which keeps iron loss equal to copper loss using variable - voltage in light load, induction motor parameter identification at any moment is a key problem
對于輕載調壓使銅損等於鐵損的這一節能方法而言,在線辨識出電機的參數是一個關鍵點。This paper studies the variable - voltage energy saving theory and its implementation for asynchronous motor with light load, compares several kinds of scheme of improving efficiency in detail and confirms the variable - voltage energy saving method, that is adjusting the input voltage by detecting the iron loss and copper loss of motor directly. in addition, the directness *, simpleness and availability of the method are verified by the emulational experimental results with simulink of the matlab. the circuit of the general inverter based on the tms320f240 dsp was used in this paper, and the practicable program was compiled
本文分析了異步電動機輕載時降壓節能運行的原理,對幾種提高效率的方案進行了比較,確定了通過直接檢測電動機鐵損和銅損來實時調節輸入電壓以達到高效節能目的的控制方法,應用matlab軟體對系統進行模擬,在基於tms320f240dsp的通用型變頻器上編制了實用化的程序,形成了完整的樣機,對其進行了測試,並給出了試驗結果。Pwm converter has low efficiency at light loads and high amplitude harmonic. on the other hand, the control circuit and filter for pfm are much complex
Pwm調制模式的spic在輕載下效率較低,控制脈沖諧波峰值較大; pfm控制電路較為復雜,后續濾波器設計困難。Dynamic presentation and discussion on the prospects of 21st century science fiction in chinese literature, guests will share their views on the " philosophical and literary element " in science fictions, relationship between literature and science in 21st century, science fantasy literature
以輕松的形式介紹與討論21世紀科幻文學的發展前景,包括探討科幻文學中的文以載道、 21世紀文學與科學的關系、科幻文學?Since kamen and vagena, many researchers have discussed it in theory and experiment method. the main content in this paper is to set forth the slamming press calculations in dnv rules, gl rules and lr rules and the requirements for slamming strengthened bow structure and some comparisons ; slamming strengthened bow structure design for a bulk is carried out using dnv rules, and comparisons among several design schemes is carried through when heavy loading draft status replaces light loading draft status in practice. the results from above have been applied in ship production ; it is significant for ship structure improvement latter to calculate slamming press with direct calculation method, and then to design bow structure with dnv rules
本文的主要內容是分別闡述dnv 、 gl 、 lr三種規范對底部砰擊壓力計算及底部砰擊加強結構設計的一般要求並進行一些分析比較:用dnv規范對某型船( 27000t散貨船)進行具體的底部砰擊加強結構設計,並就實際生產中產生的重載吃水狀態改輕載吃水狀態而出現的幾種設計方案進行比較,其具體結果現已用於實際生產;用直接計演算法確定砰擊壓力,再用dnv規范進行底部結構設計,對於後續船的改進均有指導意義。And the fuzzy control technology has been studied that reduce the stator terminal voltage to achieve higher power factor through testing power factor and using certain rules. the asynchronous motor intelligence operating control system plan design has been completed. simulation design and simulation experiment of the system has been carried on, and the simulation result indicated this intelligence control system has achieved the anticipated effect
在分析電機功率因數角的變化規律及功率因數角對晶閘管輸出電壓的影響的基礎上,提出了異步電動機在輕載或空載運行時通過檢測功率因數並經過一定規則降低定子端電壓來達到提高功率因數目的的模糊控制方法,完成了異步電動機節能運行控制系統的軟硬體設計,並進行了系統的模擬研究與實驗研究。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。Standard specification for pressure - sensitive tape for light - duty packaging and general purpose masking
輕載包裝和一般遮蔽用途的壓敏帶的標準規范However, psm also have some disadvantages, for example, the output voltage ripple is large at light load and the system maybe produce radio frequency noise
但psm也具有不可避免的缺點:輕載時輸出電壓紋波較大,且易引入音頻噪聲。The on - resistance of the synchronous rectifier is as low as 0. 4 ?. it has a very high efficiency even in the light load thanks to its low quiescent supply current
整個晶元具有極低的靜態電流,使得此晶元即使在輕載的時候也有很高的效率。In the morning, not far from mikulino, where the wood ran close to the road, the cossacks of denisovs party had pounced on two french waggonloads of saddles, stuck in the mud, and had carried them off into the wood
一早,才離開米庫林納村不遠,路邊就是森林,有兩輛車陷進泥里,車上載的是騎兵用的馬鞍,傑尼索夫的游擊隊輕易就截獲了這兩輛大車,然後把他們帶進林中。Through the loss model of lim, best efficiency control scheme is proposed based on the vector control, by which low efficiency of lim under light load or low speed is improved. the control scheme is proved effective through simulation under a specified speed - location curve
通過建立電機損耗模型,在矢量控制的基礎上設計了最優效率控制策略,解決了輕載或低速運行時的效率低下問題,通過指定速度位置曲線下的模擬分析驗證了控制策略的有效性。At one point early in the race the two tf106s ran close together on the circuit and jarno allowed ralf to pass so that he could take advantage of his car ' s lighter fuel load
在比賽開始的某個時間,兩輛tf106跑得很接近,而雅諾讓輕載的公主超越,以發揮公主的輕油優勢。分享友人