surface effectiveness 中文意思是什麼

surface effectiveness 解釋
表面有效率
  • surface : n 1 表面;地面;水面;廣場,空地。2 外觀,外表,皮毛。3 【幾】面;切口;【航空】翼面。adj 表面的...
  1. Analysis and study on combat effectiveness of air - to - surface cruise missile

    空地巡航導彈作戰效能的分析研究
  2. The thermal visualizations of jet impingement cooling with single or double row holes inside semi - enclosed channel are measured by using infrared camera and then the impingement cooling heat transfer coefficients are deduced. the effects of flow and geometry parameters on convective heat coefficients are obtained. the results show that : for a single row normal impingement, the impingement cooling effectiveness is enhanced with the increase of impinging reynolds number or the decrease of hole space to diameter ratio, and the best effectiveness is achieved under the jet - to - surface spacing equals to 2 ; when the jet is oblique to the confined wall, the cooling effectiveness is weaken especially under the jet - to - surface spacing ratio is greater than 2 ; for double rows normal impingement cooling, the cooling effectiveness of rear row jet is weaker than the front row under lower impinging reynolds number or bigger jet - to - surface spacing

    對于單排垂直射流,沖擊冷卻效果隨射流雷諾數的增加、孔間距與直徑比的減小而得到提高,沖擊間距比為2時換熱效果最好;沖擊孔中心線向通道封閉一側傾斜后,射流沖擊冷卻的范圍變窄,當沖擊間距比大於2時駐點區的對流換熱能力明顯降低;對于雙排沖擊射流,孔排間距與直徑比的增加使沖擊冷卻范圍變大,但在兩排孔之間區域的對流換熱系數有所下降;在較小的沖擊射流雷諾數和較大的沖擊間距比下,後排射流的沖擊換熱效果要遜於前排射流。
  3. Abstract : this paper presents a new - type floating breakwater with the structure of “ duckweed ”. some circular wooden blocks were flexibly tied together and flat located on water surface. a series of experimental investigation were carried out. the experimental results show that 1 ) there are wave attenuation characteristics of the new - type floating breakwater ; 2 ) by comparing the two installation styles, the wave attenuation effectiveness anchored on the sea bed is better than that of anchored on the sea shore

    文摘:模仿水生植物「浮漂」的結構形式,設計一種新形式的防波堤.將多塊圓形木板柔性連接成一體,平鋪於水面,對其進行了一系列的消浪效果的初步試驗研究.試驗結果表明,該結構具有消浪性能,並且其固定方式採用系泊於水下的消浪效果優于系泊于岸邊的
  4. In the engineering background of a suspension bridge tender project, taking the bridge and the airflow as a whole system, the effectiveness of the surface in the flutter stability of the system is studied by a multi - mode flutter analysis approach

    以某懸索橋設計方案為工程背景,把橋梁與氣流作為一系統,應用多模態顫振分析方法,研究了在主梁下風側設置翼板這種控制措施對改善該系統顫振穩定性的效果。
  5. Ribbon marks, ribbon plane, stereoscopic printing machine which use hot and solid printing ink print on flat surface, knitting marks, stereoscopic printing, also can print abundant color product, apply strong color dint, stereoscopic feeling, suiting in ground color in area, have better effectiveness on round and flat ribbon printing, used inside top of west trousers

    織嘜、織帶平面立體印刷機是用熱固油墨對織嘜、織帶平面、立體印刷,印出產品色彩豐富,著色力強,立體感非常好,特別適合深底色大面積實地印刷,效果奇佳,圓扁織帶西褲頭內里顯凸效果奇佳。
  6. ( 2 ) on the leading edge, the film cooling effectiveness at the zone immediately downstream of the cooling holes is affected by blowing ratio and mainstream reynolds number, while the effects are not important in the downstream zone far from the cooling holes. ( 3 ) on the front half of pressure surface, the effectiveness increases with decreasing blowing ratio at the downstream near the cooling row and it is contrary at the downstream far from the cooling row. ( 4 ) on the rear pare of the pressure surface, the effectiveness decreases with increasing blowing ratio and does not vary so much downstream in the cases of higher blowing ratio

    研究結果表明葉片吸力面端壁附近區域壓力系數分佈呈現出較強的三維特性,動葉吸力面尤其明顯;氣膜孔流量系數隨吹風比的增加而增大,在高吹風比情況下,流量系數逐漸趨于常數;在不同型面區域,冷卻效率分佈有較大的差異,而且吹風比與主流雷諾數的影響程度也不盡相同;低吹風比下,孔出口下游附近可以得到較好的冷卻,中、高吹風比下,冷氣射流在加速流動主流的作用下返回壁面進行二次冷卻,孔下游較遠區域可以得到較好的冷氣覆蓋。
  7. Firstly this paper points out that the mainstream value investment theories limits to some stratifications, such as market, business or product, technology and administrative levels, but it neglects the organizational idiosyncracy of the crux of the value factor, and it ' s better essence, better deep, better lasting than others. secondly this paper inducts and introduces collins " organizational idiosyncracy ideas, points out the importance of value investment theories " development ; and then establishes investigating index system of organizational idiosyncracy, through the way that from the surface to the core achieved a comprehensive summary of its external demonstrations in a large degree. to approve the effectiveness and operativeness of the investment index system in its application, this paper has chosen the specific cases in various corporations of different industries both at home and abroad, and made a various analysis of them, so that affirmed the advance and feasibility of the organizational idiosyncracy investment methods

    本文首先指出主流價值投資思想主要局限於市場、業務(產品) 、技術和管理層等層次,而忽視了組織特質這一更本質、更深層、更持久的關鍵價值因素;其次引入並評價了柯林斯的組織特質思想,指出了它對投資思想發展的意義;然後形成了一套組織特質的評價指標體系,利用該體系由表及裡的,在最大程度上實現了對組織特質的全面概括;同時為了證實該指標體系的有效性,選取了國外公司、我國不同行業的不同公司進行了個案分析,通過對不同組織特質狀況企業的多角度分析確認了組織特質投資方法的先進性和可行性;最後對組織特質投資方法的適用性和局限性予以了總結。
  8. Then the thermal visualizations of jet impingement cooling with single or double row holes inside semi - enclosed ribbed channel are measured by using infrared camera and the effects of flow and geometry parameters on convective heat coefficients are obtained. the results show that : the impingement cooling effectiveness of ribbed surface is affected greatly by the jet - to - surface spacing, and the best effectiveness is achieved under the jet - to - surface spacing equals to 1. the correlation formulas of impingement heat transfer characteristics to the parameters are finally concluded and in good agree with the experiment data

    最後,對單排、雙排沖擊孔試驗板在半封閉通道展開了流量系數的研究,在變化各種幾何因素及流動因素的情況下由實驗得出了沖擊孔流量系數值,討論並分析了各種因素對流量系數的影響程度,建立了沖擊孔流量系數的準則關系式,與實驗結果對比表明:該準則關系式與實驗實測數據吻合較好,精度較高,有較高的工程應用價值。
  9. A new model for film cooling effectiveness computation on blade surface in a turbine cascade

    渦輪葉片型面氣膜冷卻效率的計算模型
  10. The surface resistance and electromagnetic interference ( emi ) shielding effectiveness of the conductive fabrics were measured by four point probe method ( astmf 390 ) and the coaxial transmission line method ( astm d4935 - 99 ), respectively

    分別用四探針法和雙軸傳輸線法測量了導電滌綸織物的表面電阻和電磁屏蔽效能。
  11. Wood preservatives - determination of the protective effectiveness against lyctus brunneus stephens - application by surface treatment laboratory method

    木材防腐劑.對粉蠹蟲預防作用的測定.用表面處理法
  12. This process is as follows : firstly, the data of different section contour and of section line have been obtained by reverse - engineering ; secondly, non - uniform b - spline approximation algorithm is used to fit the discrete data ; then the data have been optimized and reduced by adopting adaptive sampling of key points of the fitted curve based on vertical distance, sequently the adaptive sampling data is transformed into the format of the. ibl file of the famous 3 - d design software pro / e. therefore we reconstruct the surface and a model is generated ; lastly, the effectiveness of the adopted algorithm and modeling approach are demonstrated by the experiments

    建模型的過程中,首先運用逆向工程測量方法,獲得曲面物體上不同截面輪廓線的測量數據點列,接著對測量數據點進行平滑處理,用最小二乘法求解基於數據點列的控制多邊形,以非均勻三次b樣條曲線擬合截面輪廓曲線;然後利用基於垂距的數據采樣演算法,對擬合曲線上的數據點進行重新采樣,達到優化數據點的分佈及減少描述曲線數據量的目的。
  13. De geer. wood preservatives - determination of the protective effectiveness against anobium punctatum de geer by egg - laying and larval survival - application by surface treatment laboratory method

    木材防腐劑.用產卵和幼蟲成活法測定防傢具竊蠹
  14. The authour investigate the dosing conditions and effect of the pac to the huanghe water - source, which includes the following four parts : the selection of the pac ; the confirmation of dosing scheme and effect of the pac ; the research of application of potassium permanganate in combination with pac ; the research of the pac ' s modification and the modified effectiveness. the experiment is mainly carried out on the pilot system in the jieyuan water plan of tianjin. the results of the reseach include the following : l ) the pac from zunhua plant is selected as the better carbon for the source water of tianjin through the experiment ; 2 ) through the pilot experiment we conclude that the pac ' s best adding point is the mixing tank and the better dose is 10mg / l, on which the codmn of filtered water can be decreased to 40 % and the effluent have no problem of odour and color ; 3the adsorbing experiment show that pac mainly adsorb the organic matters which molecular wt., distribution between 500 and 3000, and can adsorb organic matters whose molecular wt., distribution are bigger than 6000 if the dose of it is adequent ; 4 ) pac together with potassium permanganate can remove the organic matter more effectively than each of them alone, and reduce the rising trend of turbidity of the flotation ' s effluent due to adding pac ; 5 ) the thesis made a research on the surface properties and the adsorbing capability of the modified carbon by oxidizer : the modified carbon with 20 % h2o2 can remove more organic pollutants than the untreated one by 12 % when we add a higher dose of coagulant ; 6 ) the modification of reduction and loading metal ions are also sttldied, and drow the following conclusions : the modified carbon with 5 % ammonia can enhance the organic matter ' s removal effectiveness by 10 % to the tianjin source water than the untreated one, and the modified one with loading metal ion remove the organic matters from the tianjin source water better ( 8 % ) than the untreated one due to the strong affinity betwween the humic acid and copper ion

    本文的實驗主要是在天津芥園水廠的中試系統上完成的,論文的成果和結論主要包括: 1 )通過靜態實驗選定河北遵化活性炭廠生產的煤質炭為適合天津原水的炭種; 2 )中試實驗確定粉末活性炭的較佳投加點為混合池投加,較佳投加量為10mg l ,此時可使濾后水的cod _ ( mn )降低40 ,且可較好地控制濾后水的嗅味和色度; 3 )初步確定粉末活性炭對原水中有機物的吸附主要集中在分子量在500 - 3000范圍內,投量增大時可吸附部分分子量大於6000的有機物4 )中試實驗表明:粉末活性炭與高錳酸鉀聯用可取得較兩者單獨應用時對有機物更好的去除效果,且對因投加粉末活性炭而造成的氣浮出水濁度升高有一定的改善作用; 5 )研究並初步確定氧化改性對粉末活性炭表面性質和有機物的去除效果的影響:粉末活性炭的氧化改性會使其表面的酸性官能團大量增強,表面極性增加;經20的過氧化氫改性的活性炭在增大混凝劑投加量( fecl _ 3投量為15mg l )時對有機物的總體去除效果較原活性炭提高12 , 1次氯酸鈉改性活性炭對有機物的去除效果較原活性炭提高6 ; 6 )研究並初步確定還原改性、負載金屬離子對原水中有機物的去除效果的影響:經5氨水改性的活性炭可提高天津源水中有機物的去除率達到10 ;負載銅離子后的活性炭可提高對腐殖酸類物質的去除能力,一般可提高8左右。
  15. Then the solving procedures of these bies by the rwg functions based moment method are elaborated, and the method of modeling complex objects built of arbitrary line, surface and volume structures is developed. in order to solve realize antenna and circuit problems, methods of adding excitations and concentrated loadings with moment method are deceloped, and matrix pencil ( mp ) method is used to deembeded the s prameters of antennas and circuits from the computed current distribution. some numerical results of practical complex antenna and scattering problems are presented to illustrate the veracity and effectiveness of the method

    在第一部分中,首先從電磁場的基本理論出發,基於等效原理和邊界條件以統一的方法建立了用於分析金屬、介質及金屬與介質混合結構的邊界積分方程,並歸納和比較了各類積分的適用范圍和優缺點;在此基礎上,給出了使用基於rwg函數的矩量法求解各種邊界積分方程的一般過程;研究了具有任意線、面、體組成的復雜結構的電磁建模方法,並給出了各種多面連接情況下基函數和未知量的選取方法;研究了使用矩量法分析電路、天線問題時集總元件和激勵源的處理方法,並基於矩陣束方法( matrixpencilmethod )提取了電路和天線問題的s參數;最後通過分析一些工程中的復雜金屬天線問題和具有「金屬與介質混合結構」的散射和天線問題驗證了方法的準確性和高效性。
  16. Structural adhesives - evaluation of the effectiveness of surface treatment techniques for aluminium using a wet peel test in association with the floating roller method

    結構膠粘劑採用濕剝離試驗結合浮動輥法對鋁的表面處理技術的有效性評價機構
  17. Grey fuzzy comprehensive evaluation of surface warship command effectiveness

    模糊評判在艦艇作戰系統效能評估中的應用
  18. The reason is that the quality and function of current forest can not match the natural primeval forest with perfect soil conservation effectiveness. because unitary surface material and less land surface roughness which can not retain runoff lead to short confluence time, quick delivery of flood, easy superposition of floods, and result to flood disaster

    原因是目前的森林質量和功能都無法與具有水土保持功能的原始森林相比,其地表組成物質太少且單一,地面粗糙度低,起不到對地表徑流的阻擋作用,致使地面徑流匯流時間縮短,洪水下泄快並容易形成洪水疊加,導致洪澇災害加劇。
  19. Based on the analysis of the surface warship command system and the commanding procedure, a two - level index system of the command effectiveness is set up in this paper

    摘要通過對水面艦艇作戰指揮系統組成及實施指揮過樣的分析,建立其作戰指揮效能評估的二級指標體系基於灰色模糊數學理論,提出了水面艦艇作戰指揮效能評估的灰色模糊綜合評估法。
  20. A rectangular box simulating the axial box of the lathe tool is manufactured ; experimental measurements of the surface vibration on the rectangular box and the acoustic field around the rectangular box corresponding to firstly a series of a homogeneous excitation and secondly two iii independent white noise excitations are taken in a semi - anechoic chamber. taking the vibratory properties as input, the properties of the sound field are calculated by the evsbpm and the sdsbpm respectively. the effectiveness and reliability of the evsbpm and the sdsbpm for the calculation of acoustic radiation problem is further verified from the comparison of the calculated results and measured ones

    第五章設計加工了一模擬機床主軸箱的長方箱體,在半消聲室環境下,分別對其在單點處一系列簡諧激勵作用下和兩點處的獨立白噪聲激勵作用下的振動及其輻射聲場進行了實驗研究和分析計算,通過計算結果和實測值之間的比較,進一步驗證了改進體積源邊界合肥工業大學搏士學位論文點方法和統計分佈源邊界點方法計算振動聲輻射問題的有效性和可靠性。
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