cold frequency 中文意思是什麼
cold frequency
解釋
冷態頻率-
At. detail specification for cold welded seal quartz crystal units for oscillator applications - dk enclosure, 6. 0 to 25 mhz frequency range - fundamental thickness - shear mode, at - cut, for operation over wide temperature ranges non - temperature controlled - full assessment level
振蕩器用冷焊密封石英晶體振子詳細規范. dp外殼6 . 0至25mhz頻率范圍.寬溫范圍 -
At. detail specification for cold welded seal quartz crystal units for oscillator applications - dn, dq and dp enclosures, 17 to 75 mhz frequency range - third overtone thickness - shear mode, at - cut, for operation over narrow temperature ranges temperature controlled - full assessment level
振蕩器用冷焊密封石英晶體振子詳細規范. dn dq和dp外殼17至75mhz頻率范圍.窄溫范圍 -
At. detail specification for cold welded seal quartz crystal units for oscillator applications - dn, dq and dp enclosures, 50 to 125 mhz frequency range - fifth overtone thickness - shear mode, at - cut, for operation over wide temperature ranges non - temperature controlled - full assessment level
振蕩器用冷焊密封石英晶體振子詳細規范. dn dq和dp外殼50至125mhz頻率規范.寬溫范圍 -
At. detail specification for cold welded seal quartz crystal units for oscillator applications - dn, dq and dp enclosures, 50 to 125 mhz frequency range - fifth overtone thickness - shear mode, at - cut, for operation over narrow temperature ranges temperature controlled - full assessment level
經質量評定的振蕩器用冷焊封石英晶體振子詳細規范. dn dq和dp外殼， 50至125mhz頻率規范.窄溫范圍 -
At. detail specification for cold welded seal quartz crystal units for oscillator applications - dn, 47 u 2, dq and dp enclosures, 17 to 75 mhz frequency range - third overtone thickness - shear mode, at - cut, for operation over wide temperature ranges non - temperature controlled - full assessment level
振蕩器用冷焊密封石英晶體振子詳細規范. dn 47u 2 dq和dp外殼17至75mhz頻率范圍.寬溫范圍 -
At. detail specification for cold welded seal quartz crystal units for oscillator applications - dn, dq and dp enclosures, 0. 8 to 20 mhz and 3. 0 to 30 mhz frequency ranges - fundamental thickness - shear mode, at - cut, for operation over narrow temperature ranges temperature controlled - full assessment level
振蕩器用冷焊密封石英晶體振子詳細規范. dn dq和dp外殼0 . 8至20mhz和3 . 0到30mhz頻率范圍.窄溫范圍 -
The whole thesis consists of three parts. firstly, we establish the meteorological disaster database of jilin province and deduce the statistic frequency of the main meteorological disaster on the base of choosed meteorological disaster index. the spatial distribution law and time variation of drought, flood and low temperature cold damage are concluded with the gis technology
全文主要由三部分組成：首先，在選擇氣象災害指標的基礎上，建立了吉林省氣象災害數據庫，統計主要農業氣象災害的發生頻率，然後利用gis技術得到吉林省旱澇、低溫冷害的空間分佈規律和時間變化。 -
Intermediate frequency furnace ? continuous casting billets ? heated by heating furnace ? rough rolling ? head and tail end cutting ? intermediate rolling ? head and tail cutting ? finish rolling ? water cooling treatment ? multiple - length cutting and dividing ? cooling on the cooling bed ? cutting - to - length by cold shear ? collecting and bundling ? to warehouse
中頻熔爐連續的鑄件鋼坯重復加熱的熔爐粗軋頂端和尾端切斷中間壓軋頂端和尾端切斷完成壓軋水冷處理多功能的長度切割和分段在冷床上冷卻冷卻后冷剪長度聚集捆包運到倉庫。 -
The subjects under research include high - performance rubidium atomic frequency standard, microwave and optical trapped ion frequency standard and cold atom frequency standard, etc. the lab
目前正在開展的研究課題有高性能銣頻標、離子阱微波頻標和光頻標、冷原子頻標等。 -
Abstract : it is the first time to use powder damping technique in reducing the vibration and noise of cold saw clamp. through measurement and analysls of the noise reduction effects and frequency spectrum, it is found that powder damping is a simple and practical technique, and influences on the strength and natural characteristics of the clamp are small
文摘:把粉體阻尼技術首次用於冷鋸機夾盤的減振降噪，通過對其降噪效果及頻譜的測量分析，發現粉體阻尼不但是一種簡單實用的技術而且對夾盤的強度和固有特性影響小。 -
Lamp controlgear - part 11 : particular requirements for electronic invertors and convertors for high - frequency operation of cold start tubular discharge lamps neon tubes
燈的控制裝置第11部分：高頻冷啟動管形放電燈霓紅燈用電子換流器和變頻器的特殊要求 -
Two cold - test parameters determine the working voltage, frequency band, efficiency and gain of twt. they are dispersion and interaction impedance of the slow - wave structures ( sws ) in twt, which are very important targets for twt
行波管慢波結構的色散和耦合阻抗是行波管設計中兩個非常重要的冷參量，它們決定了整支管子的工作電壓、頻帶寬度、工作效率和增益。 -
Lamp controlgear - particular requirements for electronic invertors and convertors for high - frequency operation of cold tubular discharge lamps neon tubes
燈具控制開關.冷管放電高頻燈具電子變流器和逆變器專門要求 -
Lamp controlgear - part 2 - 10 : particular requirements for electronic invertors and convertors for high - frequency operation of cold start tubular discharge lamps neon tubes
燈具控制裝置.第2 - 10部分:冷啟動管狀放電燈高頻操作用電子反向變流器和電子變流器的特殊要求 -
That produced many problems as follows : difficult to balance the working condition of the individual compressor ; difficult to realize the accurate control to the temperature of cold shed ; easy to hurt the life of the compressor when the environment temperature is generously changed which will trigger the frequency start of the compressor
由此造成許多顯而易見的問題：難于調整平衡製冷並聯機組中各製冷機組的協同工作狀態；不易對冷庫溫度進行精確控制；環境溫度發生較大改變時，容易引起壓縮機的頻繁啟動，對壓縮的機壽命造成極大損害。 -
The research on the rf characteristics of the conductor - centered helical groove sws. ( a ) in the " cold " system, we found that the changing of depth of the groove has no distinct effects on the phase velocity at the lower frequency region ; but with the increasing of the frequency, the phase velocity and bandwidth are reduced slightly, the structure is more dispersive and the coupling impedance is enhanced
對具有中心導體軸的矩形螺旋槽慢波系統的高頻特性進行了理論研究： （ 1 ）在冷系統中的研究結果表明：頻率較低時，槽深的改變對相速的影響不是很大，隨著頻率的增大相速略有減小，同時帶寬也有所減小，色散變得稍強，耦合阻抗增大。 -
Change the frequency regulate the flat - out technique in the on board application of cold device breeze
變頻調速技術在輕烴分餾裝置空冷風機上的應用 -
Research on two - stage compression variable frequency air source heat pump in cold regions
用於寒冷地區雙級壓縮變頻空氣源熱泵的研究
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