air-water ratio 中文意思是什麼

air-water ratio 解釋
氣不分離器
  • air : n 1 空氣，大氣。2 天空，空中。3 微風，和風。4 態度，樣子，風度，氣派；〈pl 〉高傲的架子。5 傳播，...
  • water : n 1 水；雨水；露；〈常作 pl 〉 礦泉，溫泉；藥水。2 〈常 pl 〉水體；水域；水道；海；湖；河；海域；...
  • ratio : n. （pl. ratios）1. 比，比率，比值；比例；系數。2. 【經濟學】復本位制中金銀的法定比價。vt. 1. 用比例方式表達；求出…的比值；使…成比例。2. 將（相片）按比例放大或縮小。
  1. The dissertation shows how a series of well - performing composite adsorbents that prepared by author suitable for the features of adsorption refrigeration are gained by using water and ethanol as cryogen ( adsorbate ), which cause no harm to body and environment. the performance of the working pairs of water or ethanol with the composite adsorbents in the refrigeration through adsorption and desiccant cooling are thoroughly examined by experiments. the dissertation also examines, through energy analysis, the refrigeration efficiency and utilization ratio of the adsorption refrigeration, and analyzes the economic potential of the adsorption air - conditioning

    以對人體無傷害、對環境無污染的水和乙醇作為吸附製冷工質，研製出適合於吸附製冷特點的性能優良的一系列復合吸附劑；對水或乙醇與自製復合吸附劑組成的製冷工質對的吸附式製冷和吸附除濕製冷的性能進行了深入的實驗研究；用有效能分析方法討論了吸附製冷循環的製冷效率和能量的利用率；對吸附式空調的經濟性進行了分析。
  2. In this thesis hydraulic experimental studies and theoretical analyses on the vortex - flow drop shaft were conduced and the following results were accomplished : ( 1 ) in the model test some hydraulic characteristics including the shape of air core in the center of the drop shaft, the radial distribution of water flow velocity and the distribution of pressure on the wall of the drop shaft were measured under the condition of high water head above 250m and large discharge above 1400m3 / s. ( 2 ) a kind of computational method for the spiral water flow in the air core region of drop shaft was discussed and applied and the results agree the experimental data well. ( 3 ) the total ratio of energy dissipation in the drop shaft can reach 90 % and the energy dissipation in every region was discussed quantitatively

    本文通過試驗研究與理論分析對旋流式豎井泄洪洞應用於高水頭、大泄流量情況時存在的一些水力學問題進行了研究和探討，取得以下主要成果：一、結合小灣工程導流洞改建，對高水頭（ 252m ） 、大泄流量（ 1400m ~ 3 s ）條件下旋流式豎井中的水流運動特徵進行了比較全面的測量，包括空腔形態、徑向流速分佈及井壁壓強等；二、提出了豎井空腔段螺旋水流水力計算方法，其計算結果與實測值吻合良好；三、利用試驗與計算結果，對旋流式豎井的消能機理進行了探討，對豎井各部分的消能能力有了總體認識；四、對豎井下部消力井的合理井深進行了優化試驗研究，發現消力井合理深度為0 . 9d左右；五、通過試驗研究，歸納出豎井水流總摻氣量估算方法，為導流洞排氣方案的設計提供了參考依據；六、在高水頭、大流量條件下，豎井空腔段下部流速很高，盡管水流螺旋運動引起的離心力可以確保井壁壓強保持正壓，但空化數依然較低，因此豎井的空化空蝕始終是工程界關注的重大問題。
  3. Relative humidity the ratio of the amount of water vapor present in a body of air at a given temperature compared to the maximum quantity of water vapor that body can contain at the same temperature, i. e. when saturated at that temperature

    相對濕度：一定溫度，一定氣體中水蒸氣的量與同溫、同體積的氣體中可含有的水蒸氣的最大量的比值，即：該溫度下的飽和濕度的比值。
  4. It is found that the day and all - day temperature in nankai district have remarkable linear relationship with ratio of green area, ratio of water area, plot ratio and anthropogenic heat ; night temperature is only related with anthropogenic heat significantly ; and the influence significance of these factors on air temperature of different periods varies

    研究發現南開區全天、白天氣溫與區域綠化率、水面比率、建築容積率和人為排熱具有較顯著的線性相關關系，夜晚氣溫僅與人為排熱具有較顯著的線性相關關系；且各影響因素對不同時段氣溫影響的顯著性不同。
  5. When the water - air ratio increases, air ' s changing quantity of enthalpy and absolute humid will be enhanced. at last, the paper analyses the data from single factor experiment by mathematics method and gets relationship formulas about the nozzle flux, valid humidifying quantity and air ' s enthalpy changing quantity

    最後，對上述單因素試驗得到的數據進行數學分析，運用線性回歸分析、多項式回歸分析和非線性回歸分析的數學方法，得到影響撞針型高壓小孔徑離心式噴嘴的噴嘴流量、有效加濕量和空氣焙變量的數學關系式。
  6. Under the different freezing - thawing cycle circumstance, three factors of water binder ratio, air content and mineral admixture are analyzed by using the method of orthogonal table. the test results show that the chief influencing factor is the water binder ratio in water freezing - thawing cycle circumstance, and in salt freezing - thawing cycle circumstance is the air content. this could illustrate that entraining air into concrete can improve the frost resistance of concrete effectively in salt freezing - thawing cycle

    分析了在純水和3 . 5 % nacl溶液中受凍后，水膠比、含氣量和摻合料對混凝土飽和系數及變化速率的影響規律，試驗結果表明水膠比對混凝土水凍時的飽和系數及變化速率影響顯著，而鹽凍情況下含氣量則是主要影響因素，說明引氣能顯著提高混凝土的抗鹽凍性能。
  7. The results indicated that the dimension, shape and purity of base material could meet the functional demand of solid lubricant ; the thermal decomposition temperature of ptfe resin exceeds 400 c, but organic and inorganic packing filler added in ptfe made the water absorption rate of composite material increased, melting temperature and decomposition temperature decreased, in the meanwhile oxidative decomposition reaction was accompanied ; polar groups such as c = o, c - o - c and so on in the carbon fiber surface is advantageous to increase compatibility with other components and interlayer shearing strength ; uniform design experimental method could help to find the relationship between formula and frictional property by relatively small tests. the developing trend of each formula ' s friction coefficient could be showed by fitting curve ; the friction coefficient with no copper powder or graphite in formula was relatively big. this fact showed that copper powder and graphite should be used cooperatively ; it was found that when the ratio of copper powder to graphite by weight is 15 : 60, 30 : 30 - 40 and 60 : 15 - 30 respectively, the friction coefficient was relatively small. the degree of crystallinity of pure ptfe reached maximum by air cooling and the abrasion loss also reached maximum among three ones ; at the same time, the abrasion loss of solid lubricant sample was also the biggest among three ones ; when solid lubricant matched with 45 # steel axle or gcrl5 steel axle, lubricant transfer film could be formed on metal surface, thus direct contact between the surface of metal friction pair rings was reduced. their working life was elongated extremely ; there was mainly much graphite, a little ptff, moo3, feso4, cus and so on in lubricant transfer film

    試驗結果表明：所選原料的尺寸、形狀及純度可滿足固體潤滑劑的性能要求；聚四氟乙烯樹脂熱分解溫度超過400 ，但在ptfe中加入無機填料會使復合材料吸水率提高，熔融溫度及分解溫度降低，且伴有氧化分解反應；碳纖維表面含有c = o及c - o - c等極性基團，有利於提高其與其它組分的相容性，提高層間剪切強度；均勻設計試驗方法能夠用較少的試驗次數找出配方與摩擦性能間的關系，擬合曲線基本能表示各配方的摩擦系數發展趨勢；配方中不加銅粉或不加石墨，其摩擦系數均較高，說明銅粉和石墨應該配合使用；當銅粉15份、石墨60份時，銅粉30份、石墨30 - 40份時，銅粉60 、石墨15 - 30份時，摩擦系數均具有較低值；純聚四氟乙烯樹脂在空氣冷卻時結晶度最大，磨損量也是三者中最大的；同時，固體潤滑劑試樣在空氣冷卻時的磨損量也是三者中最大的：不論是固體潤滑劑與45 #鋼軸配副或是固體潤滑劑鑲嵌入銅套后與gcr15鋼軸配副，在金屬表面均可形成潤滑轉移膜，從而減少金屬摩擦副表面間的直接接觸，大大延長其使用壽命;轉移膜中主要含有較多的石墨、少量聚四氟乙烯、 moo 。
  8. According to relative criteria, the performance of ash - jd such as ratio of water - reducing, ratio of compressive strength, effect of enhancing strength, ratio of bleeding, air entrainment content, effect of keeping slump value, compatibility with cement, resistance to concrete shrinkage and damage by freezing and thawing and impermeability to water etc are all equal to the traditional aminosulfonic - based superplasticizers, and the ratio of performance to price is better than naphthalene series superplasticizers

    按照相關標準，對產品進行了測試，所開發的低成本改性氨基磺酸鹽高效減水劑ash - jd的各項性能如減水率、抗壓強度比、增強效果、引氣性、坍落度保持效果、與水泥適應性、收縮性能、抗凍融性能、抗滲性能等相當于傳統氨基磺酸鹽高效減水劑，性能價格比優于萘系高效減水劑。
  9. Quantitatively analyses the concrete influences on atomizing humidifying performance of the nozzle aperture, initial temperature and the pressure of spray water and the water - air ratio through a single factor experiment

    通過單因素試驗定量分析了噴嘴孔徑、噴水初溫、噴水壓力以及水氣比對霧化加濕的具體影響。
  10. Discuses doas ' demand to fresh air humidity ratio and model by rotary wheel removing moisture load, and analyses its scheme and energy consumption of dons by rotary wheel removing moisture load based on solar energy regeneration, and result shows a 30 % energy saving comparing to cooling dehumidification, and it can supply cooling capacity freely when using directly underground water or cooling tower supplying cooling capacity during transition season periods

    討論了獨立新風系統對新風送風含濕量的要求和除濕轉輪承擔系統濕負荷的方案，分析了基於太陽能再生的轉輪除濕獨立新風系統空氣處理過程及能耗，結果顯示與直接冷卻除濕的獨立新風系統相比節能30 % ，在直接利用地下水供冷或在過渡季節使用冷卻塔供冷的情況下則可以達到免費供冷的目的。
  11. The parameter should be united into the ratio of the radiance flux and the temperature difference between the liquid ( water or air ) and the surrounding under the definite imitative temperature, test time and reasonable radiance flux range, surrounding temperature range

    兩者用統一的指標和測試條件來計算，規定初始溫度和測試時間，規定一定范圍的太陽輻照度和環境溫度，用溫度升高值除以輻照強度得到評價值。
  12. The air - fuel ratio closed loop control adjusts the air - fuel ratio near the theoretical value by controlling the supplementary air of supplementary valve based on the signals of oxygen sensor, running speed and water temperature and which is necessary condition for three - way catalyst converter to work more efficiently

    空燃比閉環控制是根據氧傳感器、轉速和水溫信號，控制化油器后補氣閥補氣將空燃比控制在理論值附近，為三元催化轉換器高效工作準備必要條件，使其最大限度降低尾氣排放。
  13. The results show that the water condensation rate increased with increasing air inlet humidity ratio, desiccant inlet concentration and desiccant flow rate, and changed very little with air inlet temperature and desiccant inlet temperature

    結果表明：除濕量隨著空氣濕度、除濕溶液的濃度和除濕溶液的流量的增加而增大，而空氣溫度和溶液溫度對除濕量的影響非常小。
  14. At the same time the number of holes for liquid flowing, gas flowing and blocked to the number of total holes was defined as liquid flowing ratio, gas flowing ratio and blocked ratio. the experiment was made with in - diameter 500mm column using water - air system, the ratio was first delected in detail by multi - path conductivity gauge for the compound tray with free area 20 % and 25 % respectively

    採用多路電導測試儀，在直徑500mm的冷模塔內，以空氣-水為介質，首次較系統地測量了開孔率為20和25的復合塔板的通氣、通液和阻塞篩孔的數量比例，獲得了通氣率、通液率和阻塞率隨氣液變化的基本規律。
  15. This means the saturation degree of concrete is different. by means of analyzing the l9 ( 34 ) orthogonal table, the air content is the chief factor, the second factor is water binder ratio and the third is mineral admixture in both high water pressure and low water pressure. the water saturation degree of concrete in damaging point ( e6 / e0 = 60 % ) can be found by measuring the dynamic modulus of elasticity after six freezing - thawing cycles

    採用l9 （ 34 ）正交表對水膠比、含氣量和摻合料三個因素進行分析，試驗結果表明:在自然情況下，影響混凝土水飽和系數的主要因素是水膠比，而影響混凝土在鹽溶液中飽和系數的主要因素則是含氣量;在水壓力作用下，無論壓力大小，混凝土水飽和系數的影響次序依次為含氣量、水膠比、摻合料。
  16. By using the method of orthogonal table, the water binder ratio, air content and mineral admixtures which affect the saturation degree are analyzed in this paper. meanwhile in freezing and thawing cycle circumstance including water environment and 3. 5 % nacl liquor, the saturation degree and the saturation rate are also analyzed. moisture content of the concrete is different by varying water pressure

    本文採用正交分析方法，研究了自然飽水和壓力飽水條件下水膠比、含氣量和摻合料三個因素對混凝土飽和系數的影響規律，並研究了混凝土在純水和3 . 5 % nacl溶液中受凍后飽和系數的變化規律。
  17. The study results show that the minimum ac flashover voltage decreases with the increase of the ice amount accreted on the insulator surface by an exponential law, and the down - trend of the minimum ac flashover voltage will slow gradually with the bridging of the shed of the insulators by icicles, both the average saturated ice amount and the special exponent m of effect of ice amount for different insulators depend on the radius of shed and the air - gaps of the sheds of the insulators, and that the ac ice flashover voltage decrease with the decrease pressure ratio p / p0 ( rise of the altitude ) by power - law for different esdd and icing - states when the altitude is from 4000m to 5500m. the special exponent n, which show the effects of altitude on the flashover voltage, is various with the type of insulator, icing - states and the surface status of iced insulator etc., and that the minimum ac flashover voltage of iced insulators decreases by power - law with esdd or the freezing water conductivity for different ice amount and atmospheric

    研究結果表明：在不同海拔高度和等值鹽密esdd下，絕緣子的最低交流冰閃電壓均隨覆冰量的增加而呈指數規律降低；當覆冰量增加到一定程度后，最低交流冰閃電壓隨覆冰量增加而降低的趨勢趨于飽和；不同絕緣子串的平均飽和覆冰量及閃絡電壓的覆冰量影響特徵指數m均與絕緣子的盤徑和傘距等因素有關；在海拔4000 5500m之間，不同等值鹽密esdd和覆冰狀態下，絕緣子的交流冰閃電壓隨海拔高度的增加（氣壓的降低）與p / p0呈乘冪關系降低，氣壓影響特徵指數n與絕緣子類型、覆冰類型、覆冰表面狀況等因素有關；當覆冰量和氣壓一定時，絕緣子的最低冰閃電壓均隨著等值鹽密（ esdd ）或覆冰水電導率的增加而呈乘冪關系降低，並逐漸趨于飽和。
  18. By testing according to correlation criterions, the performances of jd such as ratio of water - reducing, ratio of compressive strcngth, effect of accelerating and enhancing strength, ratio of bleeding, air entrainment content, effect of keeping slump value, compatibility with cement, resistance to concrete shrinkage and damage by freezing and thawing and water - tightness etc are all better than that of the traditional melamine resin superplasticizer sm and naphthalene series superplasticizer fdn

    按照相關標準進行測試，所開發的改性密胺樹脂高效減水劑的各種性能如減水率、抗壓強度比、早強增強效果、泌水率、引氣性、坍落度保持效果、與水泥適應性、收縮性能、抗凍融性能、抗滲性能等都遠遠優于傳統的三聚氰胺高效減水劑sm ，也優于萘系高效減水劑fdn 。
  19. Through much analysis of laboratory experiments, this paper reach the conclusion that aggregate gradation, degree of compaction, water cement ratio and magnitude of cement are the main factors that influence the coefficient of permeability and the compressive resilience modulus of high air void cement - stabilized crushed stone mixture

    本文通過大量的室內試驗發現，集料級配組成、壓實度、水灰比和水泥用量是影響大孔隙水泥穩定碎石混合料滲透系數和抗壓回彈模量的主要因素。
  20. The high performance concrete is synthesized by superplasticized admixture, high quality fly ash, air entraining and low water / cement ratio in this paper

    高性能混凝土以其良好的抗碳化性能，在工程中日益得到廣泛應用。
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