陰影率 的英文怎麼說
中文拼音 [yīnyǐnglǜ]
陰影率
英文
eclipse factor-
Using diethanolamine as aminating agent and glacial acetic acid as neutralizing agent, aminated epoxy acrylic cationic resin was prepared. the effect of technology of aminated epoxy acrylic resin on properties of eletrodeposition was studied by conductivity meter and electrophoresis apparatus. it was shown that, conductivity firstly decreased, and then increased with aminating temperature increase. in contrast with putting polyacrylic resin into thin acetic acid solution, the more compact film could be achieved by neutralizing polyacylic resin with glacial acetic acid and then add it into water. when neutralizing temperature was enhanced, the speed of electrodepsidon was found to increase, and the film was also more compact. increasing the dn leads to enhanced conductivity and smaller particle size. when dn equaled to 80, the smoothest film could be achieved
以二乙醇胺為胺化劑、冰醋酸為中和劑，合成了胺化環氧丙烯酸陽離子樹脂.採用電泳儀和電導率儀，研究了胺化環氧丙烯酸樹脂合成工藝對陰極電泳塗料電沉積性的影響.結果表明，隨著胺化溫度的增加，電泳液電導率先下降後上升.將冰醋酸加入樹脂中中和，後用水稀釋，比樹脂在醋酸稀溶液中中和，電沉積性能更好.電沉積速率隨著中和溫度的上升而增加，電沉積膜緻密性相應增加.中和度（ dn ）愈高，電泳液電導率愈大，粒徑越小，而塗膜外觀在中和度為80時達到最佳Oxygen diffusion transport and electrochemical reaction in the oxygen cathode of direct methanol fuel cell ( dmfc ) have been expressed with the tffa model. model calculation has been carried out to investigate the effects of structural parameters of the dmfc cathode on the electrode performance, which is respectively represented by the curve of cathode overpotential versus current density. much attention has been paid to parameters including the porosity of the reaction layer, the thickness of the thin - film on the flooded - agglomerate, the radius of the flooded - agglomerate, the volume fraction of the flooded - agglomerates in the reaction layer
本文首先運用tffa模型描述直接甲醇燃料電池（ dmfc ）陰極氧氣的傳遞和電化學反應過程，研究了過電位-電流密度曲線受陰極結構參數變化的影響程度，其中著重考慮了以下幾個參數：催化層的孔隙率，浸漬聚集體薄膜的厚度，浸漬聚集體的半徑，浸漬聚集體在催化層中的體積分數。( 2 ) after statistical experiment on color indexes of weed images which were acquired in various illumination intensity, soil humidity and remains coverage, it pointed out that hue and relative color index are insensitive to illumination intensity, soil humidity, remains coverage and shadow, hue and excess green have a distinct contrast between plant and non - plant, but can not be used to identify corn and seed
（ 2 ）利用自行開發的aoi （感興趣區域）工具，通過對不同土壤濕度、光照強度和殘茬覆蓋率下的雜草圖像進行顏色指數測定與分析，指出色度及過綠特徵對光照強度、土壤濕度、殘茬覆蓋率、植物陰影的影響不敏感，且在植物與非植物之間存在足夠的對比度，但不能用於玉米與雜草，或闊葉雜草與窄葉雜草的識別。For the pemfc cathode, besides above the parameters, the effects of the thickness of the reaction layer, the ion conductivity of nafion electrolyte and the electronic conductivity in carbon phase of the reaction layer on the electrode performance have also been investigated
在對pemfc陰極的研究中，除了以上參數以外還考慮了反應層厚度， nafion ~ （ ? ）電解質的離子傳導率以及反應層中碳相傳導率對電極性能的影響。Just when the growth rate of our exports is picking up robustly, responding to the deflation - induced depreciation of the real effective exchange rate, dark clouds once again loom over the horizon. geo - political tension has been intensifying lately, pointing to prospects of war and therefore disruptions to the world economy
在通縮影響下，實質港元匯率貶值，刺激本港出口大幅增長，但與此同時，外圍環境卻陰霾密布，國際緊張局勢不斷升級，隨時可能爆發戰爭，以致影響全球經濟。Ssg - cp had sensitivity of 85 %, specificity of 94 %, predictive value of the positive test 93 % and predictive value of the negative test 89 %
超聲晶氧造影診斷輸卵管阻塞的敏感性為85 % ，特異性為94 % ，陽性預測值為93 % ，陰性預測值為89 % ，兩者診斷的符合率為93 % 。It was also investigated and analysed on the styles of cross section in road green space, the rate of green space, the kind of green space, the quantity of plant spaces in green space, the format of planting. on the base of these, the planning designs of road green space in the blocks of heze city were also studied in combination with the practical situation which the city of heze were building to be a plain - plantation city with the flowers and water. the main results were as follows : 1. there were some problems about road green space in blocks of heze city, which were detected and researched. ( 1 ) the rate of road green space was low and the styles of cross sectionin road green space were simple
本研究以菏澤城區道路綠地及街頭綠地為研究對象，對其綠地斷面形式、綠地率、綠地類型、綠地植物種類、數量、種植形式等現狀進行了全面的調查和分析，在此基礎上，結合菏澤近年創建以「花城水邑」為依託的平原森林城市建設的實際，對菏澤城區道路綠地規劃設計進行了研究，主要結果如下: 1 .菏澤城區道路綠地存在以下問題: （ 1 ）道路綠地率低，綠地斷面布置形式單一，中心島面積偏小; （ 2 ）植物種類少，景觀效果差; （ 3 ）植物配置形式單一，地方特徵不突出; （ 4 ）某些植物選擇不當，如遮陰功能差，影響交通安全等; （ 5 ）行道樹與架空線存在矛盾，影響樹木生長，景觀效果差; 2 .根據荷澤實際情況進行了城區道路綠地規劃設計研究: （ 1 ）提出了菏澤城區道路綠地規劃設計的依據、原則、總體布局、布局形式。In the primary experimental study, the microwave power, the microwave frequency, and the mode are measured, hie relations among the microwave radiation, the intensity of the magnetic field, the position of the magnetic coil, the amplitude of the beam current, and the a - k gap are investigated
在初步的微波實驗中，測試了微波的功率、頻率和模式，測試了磁場強度和線圈位置對微波輻射輸出的影響，測試了束流大小和陰陽極間距對微波輻射輸出的影響。實驗結果發現微波的功率和模式基本與模擬結果吻合，器件工作穩定，重復性良好。It is proved that the new technology is feasible, but 4 important problems must be solved by test, viz, behavior of iron ion in anode ; influence of iron in electrolyte on current efficiency, cathode quality, and the allowable concentration of iron ion ; the optimal concentration of sulphuric acid in electrolyte ; the optimal method of removing iron ion in electrolyte
但是要進行工業生產，必須經過試驗研究，解決好4個問題，即陽極中鐵的行為；電解液中的鐵離子對電流效率的影響和陰極析出質量的影響，鐵離子的最高允許濃度是多少；電解液中硫酸的最佳濃度是多少；電解廢液中的鐵離子採用什麼方法進行凈化最經濟。Next, the effects of the electron - beam quality on the characteristics of the vircator are investigated with simulation method. the simulation results show that the front edge of the beam pulse has almost no effect on the saturated microwave output, while good front edges can accelerate the saturation of the virtual cathode oscillation, and beam quality ( except its energy spread ) has almost no effect on microwave frequency, and so on
結果表明：上凸形束脈沖前沿可使虛陰極振蕩器達到飽和振蕩的時間縮短但對微波飽和功率基本無影響；束流脈寬應足夠大，否則虛陰極振蕩器不能達到飽和振蕩（對應本文中的模型，束脈寬應大於16ns ） ；能散度的影響不可忽視，當能散度為5時，束波轉換效率從單能束時的3 . 8降至1 . 5 ；束流質量（除能散度外）對微波頻率基本上沒有影響等。The effect of soil resistivity on cathodic protection potential distribution outside of tank bottom
土壤電阻率對罐底外側陰極保護電位分佈的影響Ir - ta - ti metal oxide coated titanium anodes of variable composition were prepared by thermal decomposition. their micro morphorogies and electrochemical properties were characterized by scanning electron microscope, open circuit potential, cyclic voltammetry, consumption rate measurements and accelerated life test. the sem results indicated that all coatings were of a porous and cracked - mud microstructure influenced greatly by the composition of coatings. the electrochemical measurements showed that the ir - ta - ti ternary oxide - coated anodes exhibited excellent electrochemical activity and electrochemical stability in both acidic media and seawater which were affected by the composition and microstructure of the coatings. owing to good corrosion resistance and low consumption rate in seawater, metal oxde coated anodes belong to insoluble material, and can be potentially applid in impressed current cathodic protection systems as an anode
採用熱分解方法在鈦基體上制備銥鉭鈦金屬氧化物陽極，用掃描電鏡對陽極塗層顯微形貌進行分析，通過強化電解壽命試驗、開路電位測試、消耗率試驗及循環伏安曲線研究了金屬氧化物陽極的電化學性能. sem分析結果表明銥鉭鈦金屬氧化物陽極塗層呈現多孔多裂紋形貌結構.隨陽極塗層組成不同，塗層顯微形貌表現出很大差異，這種差異直接影響陽極電化學性能.電化學性能試驗結果表明銥鉭鈦金屬氧化物陽極在酸性介質和海水中具有良好的電化學穩定性和電化學活性.此外，銥鉭鈦金屬氧化物陽極在海水中的消耗率很低，屬于不溶性的陽極材料，作為外加電流陰極保護用輔助陽極具有廣泛的應用前景In this paper, based on the previous research result, by using theory of electrochemical mechanism, probability math, reliability theory, basic theory of pre - stressed concrete structures, structure optimum design, theory of control, maintenance strategy decision theory of structures and etc., the research on steel corrosion monitoring method, structural corrosion damage model, reliability analysis, the maintenance and repair method that based on corrosion control, the optimum structural design method of new bridge structures that consider durability and the optimum maintenance strategy decision theory are carried out. 2. corrosion mechanism and monitoring technique it is widely accepted that the corrosion of steel in concrete structure is a electrochemical process, include the formation of anode & cathode area on metal surface and potential difference between different ' area
本文在已有理論研究的基礎上，針對預應力混凝土橋梁建設及使用中存在的影響結構耐久性的實際問題，綜合運用電化學理論、概率理論、結構可靠性理論、混凝土和預應力混凝土結構基本理論、結構優化理論及控制維修決策等理論和方法，詳細研究了基於電化學理論的鋼筋銹蝕檢測方法、預應力混凝土橋梁結構的腐蝕損傷模型、可靠性分析、基於腐蝕控制的維修方法、橋梁結構方案選型及優化設計以及在役橋梁結構的優化維修決策等問題第二章混凝土結構的腐蝕機理及檢測技術目前普遍認為，結構混凝土中鋼筋的腐蝕是一種電化學的過程，包括在金屬表面形成陽極（腐蝕）和陰極（鈍化）區域以及不同區域間的電位差等。In this paper ， first, the author drew some important conclusions by analyzing several technical factors and experimental conditions which would have great influence on the quality of diamond thin films during mpcvd process ， including gas proportion ， the power of microwave ， the plasma ' s location, the nucleation technique, etc. finally ， the author has successfully deposited nanocrystalline diamond thin films with 300nm crystal particles on the slick surface of silicon by using ch4 / h2 gases in the mpcvd system ， and the nanocrystalline diamond thin films was proved to have good field emission performance. all these researches will make the foundation for the field emission cathode of diamond films
本論文中，作者分析了mpcvd方法中氣源成分比、微波功率、等離子體球的位置、成核技術等各種工藝條件對金剛石薄膜質量的影響，並總結得到了一些有意義的結論；同時，在自行研製的mpcvd沉積系統上，於4 - 7kpa 、 1000左右的熱力學條件下，採用ch4 / h2氣源氣氛在光滑的硅襯底上制備出了晶粒尺寸在300納米以下的納米晶金剛石薄膜，測試得到了較好的薄膜場致電子發射性能，為金剛石薄膜場致發射冷陰極的研究工作打下了實驗基礎。Influence of broad beam cold cathode and end hall ion sources on transmissivity and stress
寬束冷陰極和部端霍爾離子源對薄膜透過率和應力影響的比較Jose mourinho ' s side let slip a one - goal lead at the riverside to suffer their first defeat of the campaign, and he will be keen to return to winning ways in the super sunday clash at ewood park
穆里尼奧率領的藍軍在一球領先的情況下負于米德爾斯堡，這是切爾西新賽季開始后的第一場失利，隨即主帥急切需要球隊用一場勝利來走出失敗的陰影。When we produce field emitting cold cathodes, we must consider not only the work function, conductance, density, reliability and mission capability but also the demand of technique
在制備場發射陰極時，必須考慮到材料功函數、電導率、密度、熱穩定性、化學穩定性等因素對其發射性能的影響，同時要考慮材料對加工工藝上的要求。With the development of high power microwave tube, the theoretical and experiment investigation of the high performance cathode have been conducted. the research work includes how to prepare the high performance cathode and the effect of the based metal on the cathode emission, the measurement of the inner and surface fine structures of the cathode, the discussion of emission mechanism of thermionic cathode. after a lot of experiment, we finally determined the cathode preparation with an excellent emission
為了適應大功率微波管的發展，本文展開了對高性能（大電流密度、長壽命）陰極的研究，研究工作包括陰極制備工藝、鋇鎢陰極基金屬對陰極發射性能影響、以及鋇鎢陰極基底內部結構無損檢測及表面形貌檢測、鋇鎢陰極發射機理探討及應用四個方面的實驗和理論的研究。The latest gloomy statistic to emerge was a 21. 5 % annual fall in pending american home sales, a figure that is a leading indicator for actual sales
最近充滿陰影的數據報告中講美國待售屋，這一實際銷售的提前指標年下降率為21 . 5 % 。( 3 ) hue can identify cattle from backgroud through ostu ' s thresholding, the correctness is over 98 %. and it ' s insensitive to earth, the illumiation intensity and shadow
（ 3 ）利用判別分析法確定閾值，色度能有效的識別肉牛和背景，識別正確率在98以上，且對土壤、光照強度變化、建築物陰影的敏感性小。分享友人