water frost 中文意思是什麼

water frost 解釋
水霜
  • 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;...
  • frost : n 1 霜;霜柱;結霜;冰凍,嚴寒;冰點以下的溫度。2 (態度、感情等的)冷淡,冷酷。3 〈俚語〉(演劇...
  1. 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。
  2. Experiment and analysis of delaying frost of air - source heat pump water chiller - heater units by increasing the evaporator area

    增大蒸發器面積對延緩空氣源熱泵冷熱水機組結霜的實驗與分析
  3. During winter nights and under clear skies, the ground surface is cooled rapidly by radiating heat off to space. the air temperature near the ground will also fall and when the grass temperature drops below zero degrees celsius, hoar frost will form by direct sublimation of water vapour onto the grass surface

    在冬天的晚上,如果天氣晴朗,地面的熱量會透過輻射快速散失,貼近地面的空氣也同時降溫,當草面溫度降到攝氏零度以下時,空氣里的水蒸氣便會在草面凝華成為白茫茫的霜。
  4. Frost hardened the water of the puddles into ice

    嚴寒使水坑裡的水結成了冰。
  5. It is about 20kilometers apart for people to stay. looking into the distance from the upper part of the building, you can see the river with green water weeping willow branches saway gentily in the dyed white snow. the ever - changing jilin frost - branch is a marvelous willow branches swaying gently in the wind. it is an excellent summer ressort

    居高眺望,可俯視松花江兩岸風光,夏見碧水長流綠波蕩漾,垂柳搖曳清風送爽,是極好的避署之處冬觀銀裝素裹,千姿百態,聞名遐邇的吉林霧淞,大自然的鬼斧神功,令人嘆為觀止。
  6. It is the power of rushing water, rain, snow, heat, frost and wind that has created this canyon. the erosion process has taken 3 to 6 million years to sculpture the grand canyon, and is still going on

    雄偉的大峽谷其實完全是由於大自然的風吹雨打冷熱煎熬等等侵蝕作用雕鑿而成,它經歷了300至600萬年才形成今日的面貌,而大自然的侵蝕力量仍會不斷持續下去。
  7. Surfaces for sports areas - determination of dimensional changes due to the effect of varied water, frost and heat conditions

    運動場表面.由於水霜和熱條件的改變對尺寸變化影響的測定
  8. Surfaces for sports areas - determination of dimensional changes due to the effect of varied water, frost and heat conditions ; german version en 13746 : 2004

    運動場表面.由於水霜和熱條件的變化而引起的尺寸變
  9. The slity soil frost ratio can be predicted through the input parameter of water content, density and freezing speed and the frost ratio is used in railway construction

    由含水量、密度和凍結速率三個基本輸入參數,預測粉質土的凍脹率,進而分析對鐵路工程建設的影響。
  10. If the cold plate temperature is higher than a certain critical value, for instance, - 12 c under our observed experimental conditions, the higher the air relative humidity is, the bigger the water droplets concreting on the cold plate, and the later the water droplets froze. however, if the cold plate temperature is lower than a certain critical value, the influence of air relative humidity on the frozen time of water droplets was not observed. if the cold plate temperature is higher than a certain critical value, for example, - 20 c under our observed experimental conditions, frost deposition is through condensation, or condensation frosting

    結果表明,冷壁面溫度越低,水珠凍結時間越短,且凍結的冰珠越小;當冷壁面溫度高於某一臨界值,譬如,在我們給定的實驗條件下, - 12 c時,空氣相對濕度越大,冷壁面上凝結的水珠越大,水珠凍結越晚,但當冷壁面溫度較低時,幾乎觀察不到空氣相對濕度對水珠凍結時間的影響;冷壁面溫度高於某一臨界值,譬如,在我們給定的實驗條件下, - 20 c時,發生凝結成霜,冷麵溫度低於這一臨界值時,發生凝華成霜;隨著實驗工況的不同,觀察到的霜晶呈現八種不同的形態。
  11. Based on the study result, the paper has made a systematic study on the compounding and performance of binding mortar. compared with tradition binding mortar, this new type binding mortar has better performance of water resistance, frost resistance and crack resistance, etc

    研究結果表明,新型粘結砂漿具有比傳統粘結砂漿更優良的性能:和易性改善,粘接強度、耐水性以及抗裂性顯著提高,抗凍性良好,從而保證了新型粘結砂漿具有良好的耐候性。
  12. The property ' s feeding sites and frost - free water areas make it suitable for african elephants, which can stand 10 feet tall at the shoulder and weigh more than 10, 000 pounds, officials said

    人員的說法,這家牧場的草地以及永不結霜的河流非常適宜非洲象的生長。匹茲堡動物園及該動物園的ppg
  13. Abstract : the paper presents a experimental study on thermal conductivity of frost formation through sublimation of water vapor. the experinmentals shows the results in reference 4 is curect

    文摘:實驗研究水蒸汽凝華結霜過程中在冷壁面上形成的霜層的導熱系數,並以此驗證作者曾提出的霜層導熱系數的理論結果
  14. In order to understand the frost crystal growth, the nucleation process on the cold plate with constant temperature was investigated. the experimental results revealed that the lower the cold plate temperature is, the shorter the frozen time of water droplets, and the smaller the frozen water droplets

    為了加深對晶體生長階段的認識,本文對某一具有確定溫度的冷壁面突然與一定環境條件下的濕空氣接觸時冷壁面上的成核過程進行了研究。
  15. It was appointed that the water should be locked in an eternal frost, when the light was playing on its surface, and i stood in ignorance on the shore

    那水域已命定要在光線只在它表面掠過而我也只能站在岸上對它一無所知的時候用永恆的冰霜凍結起來。
  16. In this paper, the calculating model for coupling function of water movement and heat conduction in subgrade is established based on the theory of continuum mechanics and the thermodynamics. the load function ’ s influence to frost heave is qualitative consideration in the model. the relationship of moisture content and temperature change with time and depth is calculated by use of matlab

    本論文基於連續介質力學和熱力學理論,建立了路基土的水分運移和熱傳導耦合模型,並定性的考慮荷載對凍脹性的影響,利用matlab數值計算軟體,求解出了路基土在凍結過程中的含水量和溫度在不同時間隨深度的變化關系。
  17. The paper designs some teams of different mix proportion concrete according to the different replacement of the recycled aggregates and fly ash, and researches their working properties and mechanical properties, and analyses influence factors of the working properties and the mechanical properties of the recycled concrete such as the replacement rate of recycled aggregates, the replacement amount of fly ash, surface treatment of recycled aggregates, adding the high range water reducing agents and mineral admixture, etc. the paper researches the durability of recycled concrete as to the sulphate - corrosion resistance, the permeability resistance, the frost - resistance, etc. and analyzes some factors, as to the replacement of recycled aggregates, the replacement of fly ash, the surface treatment of recycled aggregates, adding high range water reducing agent and mineral admixture, bring the influence to the properties of recycled concrete, and analyzes the economic feasibility of the application of the recycled concrete

    本文根據再生骨料和粉煤灰的不同取代率設計了幾組不同配合比的再生混凝土,對其工作性能和力學性能進行了研究,分析了再生骨料的取代率、粉煤灰的取代量、表面處理再生骨料及摻加高效減水劑和礦物外加劑等因素對再生混凝土的工作性能和力學性能的影響。本文根據配製的再生混凝土對其抗硫酸鹽侵蝕性能、抗滲性、抗凍性等耐久性進行了研究,分析了再生骨料的取代率、粉煤灰的取代量、表面處理再生骨料及摻加高效減水劑和礦物外加劑等因素對再生混凝土的這些性能的影響。並對再生混凝土的應用進行了經濟可行性分析,為再生骨科和再生混凝土的應用提供了有利的支持。
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