reduction phase 中文意思是什麼

reduction phase 解釋
減數期
  • reduction : n 1 縮小,減少;降級,降位;(刑罰等的)輕減;減速;減價,折扣。2 (城市、國家等的)陷落,投降,...
  • phase : n 1 形勢,局面,狀態;階級。2 方面,側面。3 【天文學】(月等的)變相,盈虧;【物、天】相,周相,...
  1. We found the " forward stimulated raman scattering " will be excited if the pulse length is greater than plasma wave length. the " forward stimulation raman scattering " decreases the phase velocity and the amplitude of the wake wave which will lead to the reduction of maximum kinetic energy of the electrons trapped

    結論是:當脈沖長度接近等離子體波長時,稀薄等離子體將發生「前向受激raman散射」 ,它使脈沖后沿拉長,導致尾流場的相速度變小,以至於被尾流場「捕獲」的電子最大動能大大下降。
  2. The hydrogen permeation reduction factor ( prf ) evaluated in gas phase is 620 ~ 263 and in liquid pb - 17li phase is 45 ~ 30

    結果表明,實驗所得到的氫滲透率減低因子( prf )為:在氣相中, 620 263 ;在液態鉛鋰合金相中, 45 30 。
  3. The optimization results show that the effective interfacial area hi three - phase distillation is much bigger than the prediction of correlation when the operation condition is above the loading point, while no such phenomena are found when the operation condition is below the loading point. 5. the experiments reveal that almost 21 % reduction in the

    5 .實驗結果表明三相精餾過程在載點之前的分離效率比兩相精餾過程的分離效率低21 % ,而在載點和泛點之間,三相精餾過程的分離效率則比兩相精餾過程的分離效率高了近51 % 。
  4. The phase change of soil moisture and inflation of the frozen moisture c ause the reduction of hydraulic conductivity by reducing the area of flow section and the aperture of soil pore space, increasing the capillary resisting force to soil moisture, and decreasing the water potential gradient because of the increasing of movement distances of soil water

    導水率減小是凍結土壤入滲能力減小的根本原因,而土壤中液態水的相變是導水率減小的根源所在。土壤水分的相變及其膨脹通過減小土壤水分過水斷面面積和孔隙孔徑,增大阻力和由於增長運動距離而減小水勢梯度使凍結土壤的導水率降低。
  5. This research is to eject some compressed air into the dredging pipe to get tri - phase flow in the pipeline, and research the change about the pipe resistance, at the same time, obtain the more effect adding gas method and realize reduction friction and prolong the dredging distance

    本文研究的目的是在一定的漿體流速和漿體濃度下向輸送管道中加入一定量的氣體,在管道中形成三相流,進而探討加氣后管道流動的變化規律,同時確定出比較有效的加氣方案,從而實現減少阻力延長排距的目的。
  6. There are better performances in the films prepared by ba2ca2cu3ox target than by ba2cacu2ox target. the single - phase tl2ba2cacu2o8 hts thin film was obtained with a tc0 of 107k at the optimal tl2o partial pressure and thallination temperature 750. on excursion from the optimal conditions, there exist some impurities in the resultant films resulting in a reduction in tc0 and surface quality with change in the microstructure morphology

    研究結果表明,採用成分為ba2ca2cu3ox的靶材制備的薄膜性能要優于成分為ba2cacu2ox的靶材;使用組成式為tl1 . 9ba2ca2cu3oy的鉈片做鉈源時,形成的tl2o分壓達到最佳值;在最佳tl2o分壓和最佳鉈化溫度750的條件下,制備出了純相完全c軸取向的tl2ba2cacu2o8高溫超導薄膜,其tc0高達107k ,膜面均勻平整光滑,呈圓片狀組織;偏離最佳制備工藝參數的條件下,制得的薄膜中都含有一定量的雜相,雜相的生成使得tc0值下降,薄膜表面質量下降,薄膜組織形貌發生變化。
  7. Result of numerical simulation shows that the grads of continuous phase " s velocities decreases with the presence of microbubble of which the diameter is 100 / / w, the profiles of air volume fraction in the boundary layers is similar to triangle or echelon, affected by interaction among the particle, there is a saturated air fraction, within the scope of saturated air fraction, increasing the air injection ratio can accrete the friction reduction ratio, under the condition of same air injection ratio, the free - steam velocity is larger, the effect of friction reduction is worse

    計算結果表明,直徑為100 m的微氣泡能減小近壁面連續相的速度梯度;微氣泡在邊界層中的濃度分佈近似為三角形或梯形分佈;受粒子間相互作用的影響,存在一飽和濃度;減阻率隨噴氣量的增大而增大,直至飽和噴氣量,此後,增大噴氣量,壁面摩擦阻力變化不大;相同噴氣量下,來流速度越大,減阻率越低。
  8. From single - phase power supply, the shocks have driven two of the permanent cigang rotor rotary rotary magnetic field, and reducer with calculated design to export different rotational speed and moment, with the corresponding reduction in rotational speed increase moment

    由單相電源供電,振蕩產生兩相旋轉磁場驅動永久磁鋼轉子旋轉,與減速器配合,根據計算設計可以輸出不同的轉速和力矩,隨著轉速減少的相應的力矩增加。
  9. Abstract : in this paper, the methods including the reduction ball - milling, the optical induction, the chemical reduction, the liquid phase reduction, the liquid - solid phase reduction, the spray pyrolysis, the evaporation and condensation, and the atomization et al. which have been used for preparation of nanometer silver flakes and nanometer spherical silver powders in china since the 1990s were summarized under categories, the features of each method were compared, the development of preparation technology was looked forward to, in the meantime, the present application and potential application of nanometer silver powders were expounded

    摘要:本文分類總結了20世紀90年代以來國內納米片狀銀粉和球形銀粉的制備方法,包括還原球磨法、光誘導法、化學還原法、液相還原法、液-固相還原法、噴霧熱分解法、蒸發冷凝法及霧化法等,比較了各種方法的優缺點,展望了納米銀粉制備技術的發展,同時,論述了納米銀粉現有的和潛在的用途。
  10. Secondly, in the first phase, this paper solves the inventory supplement sub - problem through integer programming model, using the reduction of vehicle routes as the breakthrough to this problem, divides a whole distribution region into many customer subsets by radius - circle partitioning method, determines the optimal number of vehicle of service distribution region, applies two practice - oriented conclusions to reduce the number of routes on the basis of customer grouping, thus decreases considerably the variable scale of integer programming, and solves the problem through professional software to fix inventory supplement plan in plan period

    其次,在第一階段使用整數規劃數學模型來規劃庫存補充計劃子問題,以減少車輛巡迴路線數目為求解該整數規劃的突破口,提出與固定劃分策略( fpp )相似的客戶分組思想,通過徑?環切割法把整個配送區域劃分成多個客戶子集,實現客戶分組並確定服務整個配送區域的最佳車輛數目。在客戶分組的基礎上建立了精簡路線的整數模型,然後通過運用兩條基於實際經驗的判斷來進一步減少巡迴路線數目,進而極大地減少了整數規劃的變量規模,並利用專業的求解軟體來求解該整數規劃問題,從而確定計劃期的庫存補充計劃。
  11. Environmental protection - refuse disposal - bulk waste reduction - consultants fees and investigation, phase ii

    環境保護垃圾處理減少廢物量顧問費及勘測工作第ii期
  12. Secondly, with combination of a certain type of radar, the application of genetic algorithm to optimum code selection and the iteratively reweighted least - square mismatched filter design for sidelobe reduction are discussed. the favorable experimental results are obtained, especially for 64 phase code

    最後,我們結合某型雷達,以64相碼信號為例,說明了遺傳優化演算法在編碼搜索中的優越性,並採用了迭代加權最小二乘演算法來設計失配濾波器以達到相位編碼信號的優化副瓣抑制目的,且給出了相應的模擬結果。
  13. By analyzing flow status of fluid in aerating pipeline, giving up hydraulics and utilizing hydromechanics and advance numerical calculations, the prediction method to solve optimizations height on flow status in aerating pipeline is studied and put forward, which provides a scientific theory base to realize effective drag reduction and economic principle in blend phase transportation for pipeline design

    摘要通過分析摻入少量高粘流體形成分層紊流層流的流動狀態,拋棄傳統的水力學研究方法,應用流體力學原理、高級程序設計語言和先進的數值計算技術研究了摻入少量高粘流體分層紊流層流減阻規律,為實現管道混相輸送時高效減阻和經濟節約的設計提供理論依據。
  14. The whole concept of the collection of golf course runoff by the proposed closed low flow drainage system can facilitate water recycle, reuse and reduction during the future operational phase of the proposed third golf course

    以擬建密封低流量排水系統來收集高爾夫球場徑流的這個概念能夠在擬建球場的將來的運作期實踐水的循環再用和減少用量的目的。
  15. Through using for reference and demonstrating the technology of video processing system of domestic and foreign, author has put forward a set of video processing system schemes suitable for the china " s actual conditions. by using the digital technology, such as digital encode - decode, digital phase - locked, digital filter, digital image storing, the system schemes realizes tv signal noise reduction and time error elimination in real time, and makes the system be a integrated noise reduction and time based corrector really

    通過借鑒和論證國內外時基校正和視頻降噪的相關技術,作者提出了一套適合於中國國情的視頻處理系統軟、硬體方案實現模擬電視的信號數字轉換以及利用數字編解碼、數字鎖相、數字濾波、數字圖像存儲等數字技術來實現電視信號實時去噪和消除時基誤差,使系統真正做到集時基校正與降噪一體化。
  16. Some methods for synthesizing magnetic cobalt nanoparticles are introduced, especially the high temperature liquid phase method including the method of high temperature solution phase reduction, metal salt diol reduction and pyrolysis of cobalt carbonyl is elucidated in this paper. meanwhile, the mechanism controlled the nanoparticles dimension by the two kinds of surfactants is explained theoretically

    摘要介紹了制備磁性鈷納米粒子的方法,尤其是介紹了近年發展起來的高溫液相法,即高溫液相還原法,金屬鹽醇解法和金屬有機化合物熱分解法;同時就制備顆粒尺寸小、粒度分佈均勻的鈷納米粒子所採用的兩種表面活性劑從理論上給予了說明。
  17. In the theoretical research part of the project, liang zhi yong adopted the pseudo - spectral matrix method to simulate the friction reduction by microbubble on flat plates numerically ; and lin li ming used the model of ipsa ( inter - phase slip algorithm ) provided in phoenics to study this problem

    在微氣泡減阻基金項目理論研究方面,梁志勇採用偽譜矩陣方法對平板微氣泡減阻進行了數值模擬;林黎明則主要是採用phoenics軟體提供的ipsa模型進行平板微氣泡減阻計算。
  18. The filtered results to a real interferogram showed the proposed method is powerful to interferogram speckle noise reduction, as well as it can preserve fine details in the interferogram that are directly related to the ground topography and maintain phase values distribution

    對一幅干涉相位圖的濾波結果表明,該演算法很好的抑制了斑點噪聲,極大的降低了殘余點的數量,保持了條紋邊緣和相位細節信息,並使絕對相位保持在一定的動態范圍。
  19. Phase transformations in process of carbothermal reduction nitridation of pyrophylite at different temperatures

    高嶺土在碳熱還原氮化過程中的相變
  20. We researched the influences of systhesis temperature, heat preservation time, eu + concentration, reduction surrounding feeling and flux on luminescent properties of sral2o4 : eu2 + phosphors, optimized the experiment conditions and reduced systhesis temperature about 100 c. we found that the systhesized sample ' s luminescent brightness is better with increasing systhesis temperature, but the phase component is more complex. we found that the luminescence brightness of sample appear a increasing process at first, and then a reducing one with the raise of eu2 + concentration, it indicated that the luminescence brightness is not better if the eu2 + concentration is too high or low. we found that the systhesized sample can not bright at too long heat preservation time, and the luminescence brightness is lower at too short heat preservation time. we found that particle diameter is bigger, the wavelength of emission peak is longer

    研究發現合成溫度高,合成樣品的發光效果好,但物相組成也較復雜; eu ~ ( 2 + )離子在一定摻雜濃度范圍內,合成樣品的發光亮度先是出現一個提高過程,然後是一個降低過程,說明eu ~ ( 2 + )離子濃度高或低都不利於合成樣品發光;保溫時間較長,合成樣品不發光,保溫時間較短,合成樣品發光效果不好,只有合適的保溫時間才能合成發光效果好的樣品;合成樣品的粒徑大小與發射峰的位置具有一定的關系,粒徑越大,發射峰越偏向長波方向;助熔劑對樣品的合成溫度和發光性能都有影響,助熔劑的量較低時,主要表現為助熔作用,對發光影響不大,助熔劑的量較高時,使得樣品發光亮度降低和余輝時間縮短;還原方式的不同,合成樣品的發光性能也不一樣。
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