compression work 中文意思是什麼

compression work 解釋
壓縮功
  • compression : n. 1. 壓縮;壓緊;濃縮,緊縮。2. 加壓;壓抑。3. (表現的)簡練。4. 應壓試驗。
  • work : n 1 工作,操作,勞動,作業;工件;功課;努力;行為,作用。2 (待辦的)事務,業務;職業。3 〈前有...
  1. Many years along, by persisting with hard work of many boffin, the image data compression field have acquired a lot of achievement

    多年來,經過廣大科技工作者的不斷努力,圖像數據壓縮領域已經取得了一定的成果。
  2. Experimental studies on s1a - 02 gas turbine with water injection into compressor interstage / inlet as well as that on turbocharger self - loop test rig with inlet water injection are introduced. test results are in good accordance with simulation results, wet compression can lower compression work and increase engine power output so engine performance is enhanced, if engine power output is not changed, efficiencies of compressor and this engine become higher and turbine inlet temperature and fuel consumption become lower and if keeping t4 the same as that before wet compression is used, efficiencies become furthermore higher and engine power output increases greatly

    實驗結果和計算結果同樣表明:濕壓縮減少了壓氣機所消耗的壓縮功,增加了燃氣輪機的輸出功率,提高了燃氣輪機性能,如果保持發動機輸出功率恆定,濕壓縮可以提高壓氣機和整個燃氣輪機機組的效率,與此同時,渦輪進口溫度t _ 3 ~ *和燃油消耗率下降;如果保持渦輪排氣溫度t _ 4 ~ *恆定,壓氣機和燃氣輪機機組效率進一步提高,燃氣輪機輸出功率增加。
  3. On the major premise of feasibility of this theory, this article based on the practice of fore - runners, has done some further research work about the application of genetic algorithm for image compression and pattern - recognition with a satisfactory result

    基於這個理論可行性的大前提,本文在吸取前人實踐經驗的基礎之上,深入研究了遺傳演算法在圖像壓縮,模式識別兩個問題中的應用策略,並得到了比較滿意的結果。
  4. In this paper, the following work has been done : 1 the load - bearing capacity of l, t and + - shaped columns under axial compression and biaxial bending is calculated by a numerical integral program

    本文主要進行了如下工作: 1對l 、 t 、十形柱雙偏壓作用下正截面承載力進行計算,編制了數值積分程序,並對l 、 t 、十形柱偏心矩增大系數進行計算分析。
  5. The tensile and compression experiment on bulk nanocrystalline ag prepared by igc method was carried on mt810 with different grain sizes and zwick 10tn2s machine at different strain rates under normal temperature respectively. the stain rate sensitivity m was found to be 0. 025, which was extremely lower than the ordinary values. also the work hardening exponent is very low

    本文從用惰性氣體蒸發冷凝和真空原位壓結法( igc )制備得到的直徑80mm ,厚度7 . 6mm的大尺寸納米晶金屬ag樣品上切割得到符合力學實驗要求的拉伸和壓縮試樣,在mts810和zwick精密力學測試機上分別精確測定了拉伸和壓縮應力?應變曲線與晶粒尺寸和應變速率的關系。
  6. This program can work out some changes made by the operation of wet compression, such as the maximal mass of water spray, the temperature in the outlet of supercharger, and the consumed energy by the supercharger. in addition, this thesis gives the definition of efficiency of wet compression when the entropy of compressed air keeps constant, and it can be the standard for the study of wet compression

    本文首先對增壓柴油機濕壓縮研究的主要部分? ?壓氣機,建立濕壓縮的數學模型,從理論上分析濕壓縮的最大噴水量,壓氣機出口溫度,壓氣機耗功等變化情況,並給出了等熵濕壓縮的定義,為濕壓縮研究建立了比較標準。
  7. To research the energy transformation and utilization orderliness of the new proposed system is the main objective and content of this dissertation, as follows : about two thirds of the work output of the turbine is consumed by the compressor. traditionally, every way of inter - cooling adopted in gas turbine decreases the work consumption of compressor in some degree. through the spraying of water at the entrace of compressor, the air can be continuously cooled in compression so that the work consumption can be reduced greatly

    本論文從以下幾個方面進行了研究:由於燃氣輪機循環中壓氣機消耗近2 3的透平出功,傳統上採用的各種間冷方式都一定程度地降低了壓氣機耗功;而壓氣機入口採用注水方式,可以對壓縮空氣進行連續冷卻,以達到大幅度降低壓氣機耗功的目的。
  8. Thermodynamic analysis on wet compression process is done in this thesis and studies are done on ideal wet compression process, actual wet compression process, water droplet evaporative rate, wet compression work, inlet evaporative cooling, wet compression efficiencies and water droplet breaking. and thermodynamic model of wet compression process is established, which gives out rules of and methods to calculate wet compression parameters

    本文從熱力學的角度對濕壓縮過程進行了分析,分別對理想濕壓縮過程、實際濕壓縮過程、水滴的蒸發速率、濕壓縮功、進氣蒸發冷卻、濕壓縮效率和水滴的破碎等進行了研究,建立了濕壓縮過程的熱力學模型,給出了濕壓縮過程狀態參數的變化規律和計算方法。
  9. The main content and creative work in this dissertation include : 1. simulate the echoes of the radar, namely produce the lfm signals with band width equaling 5mhz, time width in 9 s ~ 42 s and analyze them in frequency domain pulse compression. at the same time suppress the clutter and indicate targets

    本文完成的主要工作和創新之處有: 1 .通過模擬模擬回波信號,產生了帶寬為5mhz ,時寬在9 s ~ 42 s范圍內帶目標和噪聲雜波的lfm信號,並對其進行了頻域脈沖壓縮的分析,抑制雜波並顯示出目標。
  10. The main content and creative work in this dissertation include : ( 1 ) the characteristics of the lfm signals with band width equaling 5mhz, time width in 9 s ~ 42 s, nlfm signals with band width equaling 5mhz, time width in 9 s ~ 21 s are analyzed in frequency domain pulse compression. the corresponding side - lobes suppression filters are designed and optimized

    本文完成的主要工作和創新之處有: ( 1 )分別完成了對帶寬為5mhz ,時寬在9 s ~ 42 s范圍內lfm信號,帶寬為5mhz ,時寬在9 s ~ 21 s范圍內nflm信號的頻域脈沖壓縮的分析和旁瓣抑制濾波器的設計及優化。
  11. Methodological research of measuring motorcycle valve phase and compression ratio is put forward in this paper. the devices mentioned above can be applied to develop and manufacture such kind of motorcycle engine. farther research work can be carried out to discover more valuable results

    本文提出了一種測量氣門相位和壓縮比的方向性方法,文中所述的裝置可以完全運用於科研開發和生產實際中,同時可對該種方法開展進一步的研究。
  12. Jpeg compression does not work well for line drawings, blocks of solid color, and sharp boundaries

    Jpeg壓縮不適用於線條圖形、純色塊和清晰邊界。
  13. Simulation results show that wet compression can be used to cool compressors and gas turbines, when this technology is used, compression work consumed is lowered and engine power output increases and even more, compression work can be less than isentropic dry compression work

    計算結果表明:濕壓縮可以被用來進行有效的冷卻,減少壓縮功,增加渦輪輸出功;而且濕壓縮的壓縮功有可能比等熵干壓縮的壓縮功還要少。
  14. Computing about five work conditions of slurry pump, the fields of velocity, compression and turbulence intensity are obtained, and the pump performance curves are also achieved to check the computation credence. based on the results of flow fields, particle tracks in varied conditions are achieved by using lagrange method

    本文對渣漿泵的在5個工況下(包括設計工況)的清水流場進行了計算,得到了描述流場的速度、壓力、紊流強度等參數場的分佈情況,最後計算了泵的運行性能曲線來校核計算的可靠性。
  15. Enlarging concrete section, enveloping iron and strengthening with carbon fiber sheet are the widely - used methods to strengthen concrete column under axial compression, although these methods have their respective defects : wet - work in construction sit, long time for curing and deformation of appearance, the aging of pouring compounds and so on

    目前對軸心受壓混凝土構件而言,常用的加固方法有混凝土加大截面法、外包鋼加固法、碳纖維布加固法等。而這些方法各有其缺陷,如現場濕作業問題、養護及外觀問題、灌漿材料或粘接劑的老化問題等。
  16. The scheme of natural draining and pre - compression with stacking load has not only treated the dredging region, but also prepared a great deal of rocks for the second - stage construction of dayaowan and saved time for backfill work. and it will be possible that the berth 11 # of the second - stage construction is put into production as soon as possible. the scheme simplifies the unnecessary process of foundation treatment and its direct economic benefit and the social benefit are very remarkable

    在隨后進行的大窯灣吹填區兩個場地堆載處理的工程實踐中,借鑒了本次方案研究的成果,採用自然排水堆載預壓方案,既進行了吹填區的處理,也為大窯灣二期準備了大量的開山石料,節省了回填工期,從而使二期11泊位盡早投產成為可能;從經濟效益角度分析,採用此方案簡化了不必要的基礎處理過程,直接效益與社會效益非常顯著。
  17. In this paper, we have done some work on lossless hyperspectral images compression as follows : first of all, we analyze the characteristic of hyperspectral images, and compare it with common images

    本文主要關注于高光譜圖像的無損壓縮,所做的工作如下:首先分析了高光譜遙感圖像的特性,將它和普通圖像進行比較。
  18. Based on the previous work and current research, we have made the following work : ( 1 ) for robustness against jpeg compression, we analyze the invariant properties theorem during jpeg compression which was proposed in previous work, then proposed an improved scheme. based on those work, we design a watermarking algorithm, which has robustness against jpeg compression with common quality factor. in addition, the proposed algorithm can perfectly detect the watermarks without degrading the visual quality of original image

    根據不同的應用需求設計相應的水印演算法是魯棒性水印的研究方向,根據這些特點,本文在前人研究的基礎上,完成了以下工作: ( 1 )本文就抗jpeg壓縮的水印設計進行了研究,通過分析前人提出的jpeg壓縮不變性原理,發現了其在實際應用中會出現的問題,並對之提出了改進的方案,在此基礎上,設計了一種水印演算法,可以對所有常用質量因子的jpeg壓縮都免疫。
  19. My principal work is these : transforming image in wavelet at first, then encoding wavelet coefficients in sofm arithmetic methodology, lbg arithmetic methodology, dpcm encoding step by step, wavelet zero tree compression separately, reconstructing the image at last, so researching how to improve compression ratio, hi addition, the article puts forward a new arithmetic methodology, sl arithmetic methodology, on the base of comparing sofm arithmetic methodology with lbg arithmetic methodology what it needs emphasis is the variety of reconstructed image because of the diversity of mother wavelet

    本人所做的工作主要圍繞著這樣的步驟:將圖像數據先進行小波變換,然後分別應用sofm演算法、 lbg演算法、 dpcm分步編碼、小波零樹壓縮等對圖像小波系數進行編碼,最後重構圖像。 akqnk44 wa從而研究如何能夠提高圖像壓縮比,並比較了各演算法在圖像壓縮中的特點。另外,根據sofm演算法、 lbg演算法在圖像壓縮中的各自特點,提出了一種新的算祛一七l演算法。
  20. The program fearpv is applied to 3 - d transient sealing analysis of nuclear pressure vessel during the total process, including bolt pretensioning process, heating and compression process, thermostated heating and constant pressure process, and the cooling and decompressing process. according to the analysis and computational results in this thesis, although the actual structure and work conditions of the pressure vessel in nuclear power station are much more complex than that of the pressure vessel model, the program fearpv still can get quite good convergence on the plasticity and

    由本文分析計算可知,雖然電站核壓力容器的結構及計算工況較壓力容器模擬體復雜得多,然而反應堆壓力容器瞬態密封有限元分析程序對塑性迭代和接觸迭代仍具有很好的收斂性,數值穩定性好,得到的結果具有良好的規律性,在升溫、升壓、恆溫、恆壓、降溫和降壓等過程中其規律和壓力容器模擬體基本相似。
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