許用功率 的英文怎麼說
中文拼音 [xǔyònggōnglǜ]
許用功率
英文
allowable power-
Under the incentive of the civil - market demanding such as laser material processing and the military - market demanding such as a new generation of laser weapon candidate and icf, diode - pumped solid laser ( dpsl ) develops rapidly worldwide. as an important application, diode - pumped intracavity - frequency - doubled laser is attached much importance in recent years, but there still remain many problems unresolved completely. in this paper, i have given some abecedarian study results on some of these problems theoretically and experimentally
因工業激光材料加工等民用市場的需求以及慣性約束聚變和作為新一代激光武器候選器件等軍方需求的推動，國際上高功率二極體泵浦固體激光器（ dpsl ）的研究進展迅速，作為dpsl的一個重要應用，內腔倍頻一直得到大家的重視，但仍有許多未徹底解決的問題和理論上的不完備之處，本論文擬對其中的一些問題作一初步的理論和實驗研究。In recent years, the longitudinal pulsed - discharge gas lasers with diffusive cooling have received renewed interests. a compact low power pulsed laser with high repetition rate has potential importance in laser exploration, fine mechanical processing, photochemistry and so on
近年來，縱向放電的脈沖氣體激光器重新受到了人們的重視，一種小型的低功率的高重復頻率脈沖激光器在激光探測、精細加工和光化學等許多應用領域，有重要的應用前景。The polyester fibre of resisting bacterium is one without which people can t live in modern times, but how to restrain the bacterium propagating excessively and keep people in health is a most important goal that fabrics and clothing industry are striving for. fibre of resisting bacterium can kill the bacterium effectively with the ratio of more than 99 % and it can restrain microbes. the polyester fibre of resisting ultraviolet radiation is also widely used. with the decreasing of ozonospheres in the atmosphere, there are more ultraviolet radiation in the sunlight which do harm to our skin, especially for those men working outdoors, it is more important to think about the way to lessen the harm. the polyester of burning - resisting has attracted more attention at home and abroad and burning - resisting textiles has been advanced definitely by law in many countries. our nation has also made strict claims in some special areas, such as fabrics in vehiciles and vessels, decorative fabrics in hotels. the everlasting burning - resisting fibres and textiles are badly needed. infrared ray fibre is also a new functional one that can absorb and reflect infrared ray after being processed physically. it s functions include physical therapy wet - ejecting and bacterium - restraining. this warm - preserving material can absorb the emitting heat from our bodies, at the same time it can also absorb and reflect the needed 4 - 14 urn wavelength ultraviolet radiation and accelerate netaboiism. fibre of resisting infrared ray is important in military areas
抗菌纖維具有永久的抗菌性，對金黃色葡萄球菌、大腸桿菌殺菌率大於99 ，能有效抑制細菌繁殖，起到抗菌防臭作用；抗紫外線聚酯纖維的用途也是異常廣泛的，隨著大氣層中臭氧層的日漸稀薄，日光中的紫外線日益增加，對人體皮膚形成極大危害，尤其對于長期從事野外工作的人，因此設法減少紫外線對人體的傷害顯得尤為重要；阻燃聚酯纖維則是一種倍受國內外人士密切關注的纖維，紡織品阻燃在許多國家已有明確法令規定，我國也逐漸在某些特殊使用范圍做嚴格要求，如車船內用紡織品，高級賓館的內裝飾織物等，而且具持久性阻燃性的纖維和織物是現在更為需要的，真可謂用途非常廣泛；遠紅外纖維也是一種經過物理改性后具有吸收並反射遠紅外線的新型功能性纖維，是一種具有優良理療功能、熱效應功能和排濕透氣抑菌功能的新型紡織材料及保溫材料，能吸收人體自身向外散發的熱量，吸收並反射回人體最需要的4 14 m波長的遠紅外線，促進人體的新陳代謝；抗紅外線纖維，則在軍事上有著重要的作用。In this paper, several scheme of vscf is compared firstly, of which gets doubly - fed generating mode. doubly - fed vscf wind power generating system uses a doubly - fed induction generator, which rotate speed can be able to change with wind turbine, and it ensures a constant - frequency output, by controlling the frequency of current input into rotor windings. in vector trans control system, the control of stator active power and the control of stator reactive power can be essentially decoupled, and the former is via torque component and the latter is via exciting component of stator current
本文首先比較了幾種變速恆頻方案，從中選擇了雙饋式變速恆頻方案；它運用雙饋電機的工作原理，允許發電機轉速變化，而在電機轉子側接入低頻勵磁電流，通過控制該電流的頻率，保證雙饋電機定子輸出的頻率恆定；再結合矢量控制技術，通過調節轉子電流來控制定子電流的轉矩分量和勵磁分量，相應獨立地控制發電機輸出的有功功率和無功功率。When constant wattager electric heating cable is installed, intercrossing and overlapping is not allowed to avoid overheating. otherwise use life will be impacted
恆功率電熱帶安裝時不允許交叉、疊繞，以避免過熱，影響產品使用壽命。Then we introduce the character of the atmosphere channel, which we emphasized on the atmosphere scatter, absorption and scintillation ' s effect on the laser beam. in chapter, we explain why we used cassegrain telescope to collect the optical signal at first, then the lightsource, detector, front amplifier used in optical communication has been compared to that of fiber communication, the noise including shot noise, thermal noise and background light noise has been explained here for analysis the snr and ber in the next section
在第三章介紹無線光接入系統的光收發單元，採用多孔徑卡塞格倫式的收發天線對消除減小大氣湍流影響有較大作用，針對大氣通道的特點無線光系統收發單元在光源、光探測器、前置放大電路上存在許多有別于光纖通信的技術，同時還闡述了光接收機包括背景噪聲的噪聲機制和接收靈敏度、誤碼率等指標，最後給出了一個整個傳送鏈路的功率預算。The result indicates that the method is as accurate as the imo ' s method. secondly, three methods being generally adopted to measure diesel power on - board ship are itemized and roundly compared, emphasizing on their principles, steps and error analysis
然後，以imo規定的「實船測試相關參數的儀器的允許偏差」為基準，對目前通常採用的各種柴油機功率實船測量方法：示功圖法、經驗法和扭矩儀法進行了系統的分析比較。It has many advantages, for example high transmission rate, low power consumption, good security, robustness to multipath and low cost
利用納秒級的非正弦波窄脈沖來傳輸數據，具有傳輸速率高、功耗低、安全性好、抗多徑能力強以及成本低廉等許多優點。The result shows, after the ameliorating, the spectrometer 6 - 6104 can be used conveniently, and it can work stably, and the errors has controlled in the minimum. its differentiate rate and light power collecting sensitivity approached the guideline of top grade spectrometers but its cost was less than the top grade spectrometers
實驗結果顯示，手動調節式實驗光譜儀經過改造后使用方便，工作穩定性較好，誤差控制在允許范圍內，自動化程度高，光譜解析度和光功率探測靈敏度都接近了高檔光譜儀的指標，具有質優價廉的特點。The immersion electrical heater is chiefly applied in the direct contact mode of fluid heating. it features fast heat exchange and high thermal efficiency. it has the varieties of water heater, oil heater and gas heater. its heating element power density, i. e. the power per unit of heating area of the heating element, is an important parameter of the electrical heating element, which has a direct bearing on the performance and working life. the working out of the value is a highly specialized problem, being under the influence of many factors ( media flow rate, tempt, physical and chemical properties and direction in which the medium flows past the element etc )
浸入式電加熱器主要用於直接對流體接觸加熱的場合，具有熱交換快，熱效率高等特點，分為水用加熱器、油用加熱器、氣體用加熱器，加熱元件的功率密度：即電加熱元件單位發熱面積上的功率，它是電加熱元件極重要的參數，直接影響加熱器的使用性能及使用壽命，它的取值是一個非常專業的問題，受到許多因素的影響（如介質的流速、溫度、物理和化學性質及介質流過加熱元件的方向等等） 。It makes many users share a lot of channels, and reduce the cost of the channels. the utilization factor of them is improved. it is flexible and convenient for users to extent, the price is low and its period is short, too
該系統利用多通道共用技術實現了擴音呼叫和電話對講功能，具有布線簡單、接線方便、擴展靈活、成本低、繩路利用率高等許多優點。Frequency conversion is generally acknowledged by the home and abroad that it has a great future with excellent accent speed, a brake capability, extensive scope of application, high efficiency rate, great credit rate factor and joint electricity effect and other many merits
變頻調速以其優異的調速和起制動性能，高效率、高功率因數和節電效果，廣泛的適用范圍及其它許多優點而被國內外公認為最有發展前途的調速方式。Support for programming languages and operating systems asplos - 9, cambridge, ma, november 2000, pp. 105 - 116. 21 hai huang, padmanabhan pillai, kang g shin. design and implementation of power - aware virtual memory
在本文當中，我們研究的方法是利用雙數率同步dram ddr - dram中的自刷新模式，它允許dram的內容在1 %正常功耗的情況下能夠保持，以實現dreamy memory 。Hydraulic system has been extensively used by its merits such as high power - mass ratio in engineering area and it plays a principal role in the control and transmission of many equipments
液壓系統以其功率質量比大等優點在工程領域應用廣泛，在許多設備中起著核心控制或傳動的作用。This system has a lot of the prominent characteristics such as simple structure, and good efficiency, especially adapting to the large, middle power machine equipments that have the big qualities, periodicity, in the short time, constantly accelerating and applying the brake. it is very remarkable in energy - saving
二次調節靜液傳動系統具有許多顯著的優點，比如：較為簡單的結構，並可得到較高的效率，特別適用於那些負載質量較大、具有周期性、在短時內需不斷加速和制動的大中功率場合（如車輛系統和升降系統） ，其節能效果十分顯著。High voltage dc switching power supply with high frequency and high power are required by the development of many new technologies, such as numeric imaging of x - ray for medical use, compact pulsed power source etc. the technology of high voltage dc switching power supply has been successfully developed in advanced countries, but is under development in china
許多高新技術的發展，如醫用x線機數字化成像技術，緊湊型脈沖電源技術等，都需要採用大功率、高頻化的高壓直流開關電源。在國外高壓大功率開關電源技術已較為成熟，我國對這方面的研究也一直在進行，但目前還不成熟。Wavelet transform is a time and frequency local transformation and it can withdraw the information from the signal. through the calculate function making the muti - scale analysis it resolves many difficult problems which fourier transformation ca n ' t resolve. in recent years the researches and the applications of wavelet transform on the image compression are flourish, but because wavelet transform is very complicated and its apply has certain localizations
小波變換是一個時間和頻率的局域變換，因而能有效的從信號中提取信息，通過伸縮和平移等運算功能對函數或信號進行多尺度細化分析，解決了fourier變換不能解決的許多困難問題。近年來小波變換在圖像壓縮的研究和應用都十分活躍，但是由於小波的理論很復雜，因此應用起來就有一定的局限性。Though it has complete technique and low price using that two method of rectifying, it also has many disadvantages. so, high frequency, high efficiency and small volume. a high - efficiency, high - power and energy - saving pwm storage battery charge and discharge system is presented in this paper
傳統的充電機大多採用直接整流或晶閘管整流，雖然技術成熟、價格低廉，但存在許多缺點。為此本文針對實際需求，對pwm蓄電池充放電系統進行研究，設計了一種高效、高功率、節能的蓄電池充放電系統。The architecture allows only as many concurrently executing requests as there is cpu power available
該結構將根據可用於請求的cpu功率，來決定允許同時執行的請求數。More specifically, the sound power levels, attested to each of the qpme, would be recognized by the epd for purposes of cnp application assessment. the equipment would also be recognized by the engineers in the public works projects for the purposes of assessing payment, for example, under the " pay for environment " concept
具體來說，每部優質機動設備的聲功率級都會是環保署用作評估建築噪音許可證申請的項目之一，另外，如果實行支付環境費用制度，工務計劃的工程師也會確認有關設備來評估收費。分享友人