蒸發速度 的英文怎麼說
中文拼音 [zhēngfāsùdù]
蒸發速度
英文
evaporation rate- 蒸 : Ⅰ動詞1. (蒸發) evaporate2. (利用水蒸氣的熱力使食物熟或熱) steam Ⅱ名詞[中醫] (將藥物隔水蒸熟) steaming
- 發 : 名詞(頭發) hair
- 速 : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 蒸發 : [物理學] [化學] evaporation; evaporate蒸發計 evaporometer; evaporimeter; atmidometer; atmometer; ...
- 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. (快慢的程度) speed; rate; pace; tempo
-
Based on the field investigations and laboratory examinations, a study of the population of the epiphytic dolichomitriopsis diversformis ( mitt. ) nog. in fanjing mountain reveals that its habitats are different among different host trees, but that there lies the common habitat characteristics of not more than 2m height from the bottoms of host trees trunks, less light, high relative humidity, slow wind speed, slow evaporation speed and long time of remaining humid in middle - lower tree bark ; that it is one dioecious moss species, the morphology is remarkably different between its perichaetium and perigonium, the number of its perichaetia is much more than that of its perigonia, its perigonium is difficult to find out, its sporophyte is upright, its seta is long and thin, its capsule is regular long oval and its calyptra is cucullate
摘要通過野外調查和室內觀測對貴州省梵凈山樹附生尖葉擬船葉蘚種群的研究表明,其生境因其所附生的樹種不同而有所不同,但具有共同特點:附生在樹干下部距地面2m高的范圍之內,光照弱、濕度大、風速小、蒸發量小、中下部樹皮保持濕潤的持續時間長;其為雌雄異株蘚種,雌、雄器苞形態差異明顯,雌器苞數量多,雄器苞數量少並且難于發現,孢子體直立,蒴柄細長,孢蒴規則長卵形,蒴帽兜形。The thesis focuses on the development of the dynamic simulation model of evaporators, the accomplishment of the stable and dynamic simulation of the parameters of cryogen - side, air - side and how to carry out dynamic simulation on the refrigerating effect of evaporators under different evaporating temperature and the realization of the analyses and calculations of the main parameters, such as, the wind speed of air - side and specific humidity etc, which affect the function of evaporators
本文重點是對蒸發器建立動態模擬模型,並對製冷劑側和空氣側參數進行穩態和動態模擬,同時對蒸發器在不同蒸發溫度下的製冷量進行了動態模擬,而且對影響蒸發器性能的主要參數(空氣側入口風速、入口含濕量等)進行了分析和計算。The mechanism of the downburst formation was also investigated based on the cloud microphysics of the simulated storm and it was found that this downburst was primarily produced by hail loading, and enhanced by hail melting and rain evaporation. and the loading and the melting of hail played a very important role in producing the downburst. the gale at the surface was caused by the severe downburst
從雲微物理學角度分析了此次局地性大風的形成原因,認為由高空冰雹粒子的拖曳產生的負浮力作用是促發強下沉氣流產生的主要原因,其次是冰雹的融化和雨水蒸發冷卻對下沉氣流起加速作用,冰雹的拖曳和融化作用對下沉氣流具有決定性的作用。Series of guowei dry - method composite machines as new product are explored with our many years ' experience, the requirement of the users. the first metal of this machine is adopted with : photo - ecectricity auto. tracking " correcting deviation equipment, magnetic powder tension control. pneumatic back pressure shifting blade, oven temperature controlled qutomatically, big roll with oil heating, coating composite pneumatic control as well as double frequency governor etc. it will make the machine with fast speed, lower voice, low polluted by air, shout consumptionfor energy, stable working etc. especially suitable for al - foil with smooth surface and no enough firming, glass paper, polyester ect. the composite material with hard strength, fireproof, anti - ventilation, anti - fatty, frozen, dudrable steam etc character. it is widely used in food, pharmacy, as well as daily articles to package
「國偉」 、系列乾式復合機,是我廠根據多年的復合機製造經驗及結合客戶需求,開發的新產品,該機第一基材採用了「光電自動跟蹤」糾偏放卷裝置,磁粉張力控制、氣動背壓移動式刮刀、烘箱溫度分段自動控制、大輥筒導熱油加熱、上膠復合氣動控制及雙變頻調速技術,使該機具有復合速度快、噪聲低、空氣污染小、能耗低、運行平穩等特點,適宜於表面光滑的鋁箔玻璃紙聚酰胺等與聚乙烯、聚丙烯等薄膜的復合,復合薄膜具有強度高、防水、防透氣、防油脂、可冷凍、蒸煮等優點,廣泛應用冷凍食品、乾燥食品、醫藥品及日用品的包裝。As a result it enhanced the water - retaining and fertility - retaining capacity, strengthened the anti - scour and anti - erosion ability. 3. sabaigrass can meliorated the little entironment of purple soil bare slope field the results show that sabaigrass treatment and grass tree solid plating treatment can reduce n ( nitrogen ), p ( phosphorus ) and k ( potassium ) erosion, increase soil nutrition element content, it also increase soil water content and soil pondage, decrease soil water evaporation, strengthen the anti - drought ability
龍須草能改善紫色土荒坡地的小生境龍須草純種植被和林草立體種植植被能不同程度地增加土壤的有機質和速效n 、 p 、 k的含量;增加土壤含水量和貯水量,減緩和減少土壤的水分蒸發,增強土壤的抗旱能力;降低土壤盛夏的地表最高溫度,減少地表溫度變化幅度。Suction gas pressure goes up as the compressor run at the lower speed in the lower burthen, and this is beneficial to lower systems energy - consume. when the system is controlled by wvf, the discharge change of the evaporator is not linear ; the electronic expansion valve is adopted to regulate the system superheat degree, and the controlled object is parameter time varying, accordingly, the time varying controller should be adopted
在負荷較小時,壓縮機採用低速運轉,吸氣壓力升高,這對系統降低能耗是有利的;變頻控制時,蒸發器製冷劑流量的變化並非線性;系統中採用電子膨脹閥進行過熱度控制,被控對象具有參數時變的特性,相應地宜採用變結構的控制器。The paper made an ecological anatomy, a cultivation experiment on the lime - soil habtat and an analysis on the diurnal variation of photosynthetic an transpiration rate from three aspects of morphology, transplantation, physiology. the conclusion is that : ( 1 ) from the viewpoint of morphological anatomy, it has typical xerophyte structure such as strong root system, small leaf area, dense floss under the leaf surface, high stomatal density, the small opening degree, developed vessels and palisade tissues etc
從形態學、栽培學和生理學三方面對迷迭香進行生態解剖、石灰土上的栽培實驗以及光合蒸騰速率日進程的分析,得出以下結論: ( 1 )在形態解剖上:迷迭香具有發達的根系,較小的葉面積,葉片下表面密被絨毛,氣孔密度大,開度小,厚的角質層和發育良好的木質部和柵欄組織等典型的旱生結構。And experimental study on the heat transfer performance and pressure drop characteristic of the process of bubbling evaporative cooling are carried. as there are so little attention and studies on the process bubbling evaporative cooling about heat transfer in the world at present, this paper mainly deals with the effects of the different bare tower velocity, weir height, heat flux density and plate perforation geometries on the heat transfer coefficient and the pressure drop of the process of air flowing
由於目前國內外對鼓泡蒸發冷卻過程在換熱方面的關注和研究較少,本文對不同空塔速度、不同堰高、不同熱流密度、多孔板的不同幾何尺寸對換熱系數及空氣流動過程阻力的影響進行了實驗研究及理論分析,總結了本實驗條件下換熱及阻力的實驗關聯式。As to the simulation, three - dimensional n - s equations and two - phase flow model, in which the liquid toluene spray as discrete particles was considered, were employed to describe the turbulent combustion processes in the combustion chamber. the mass and energy transfer between the two phases were calculated by the droplet evaporation model, and the arrehnius model was used to obtain the gas chemical reaction rate. the details of 3d flow field, the distributions of temperature and compounds were obtained by solving the equations
數值模擬方面,應用三維湍流n - s方程以及顆粒軌道模型描述了激光器燃燒室內部的噴霧兩相燃燒流動過程,兩相之間的質量、能量交換由液滴蒸發模型計算,氣相化學反應速率由arrhnius公式計算,通過耦合求解氣液兩相模型方程,模擬了燃燒室三維流場,得到了燃燒室內的溫度和組分濃度分佈。Basis is the principle of fiow - levitation method and combination the needs of actual work, have led into instant infrared measure temperature system make evaporate temperature show and control more visual, have expanded the scope of speed adjustment for material supply installation to make consumed power be with production efficiency combine, besides, has still increased the installation of stabilized press of water - cooling system makes the operation of equipment more safe with stabilize
根據自懸浮定向流技術原理,結合實際工作的需要,引入了即時紅外測溫系統使蒸發溫度的顯示與控制更加直觀,擴展了供料裝置的調速范圍使功耗與生產效率有機結合起來,此外,還增加了水冷系統的穩壓裝置使設備的運行更加安全與穩定。Transitional feature of the arc and metal droplet in the welding process with steam shielded arc is investigated by means of analysing the waveforms of welding voltage and current under different welding regimes and it is found that there are two types of arc process behavor ? " arc starting - arc blowing out - short - circuiting " and " arc - starting - short - circuiting ". under the condition of constant diameter of welding wire and its feeding speed, the arc process behavor can be changed by adjusting the inductance of welding circuit as well as the voltage of power supply. if arc process behaves as alternative process of " arc starting - arc blowing out - short - circuiting " with minimum time duration of arc blowing out and maximum frequency of short - circuit transition, the welding process will be stable with less spatter and smooth weld bead
通過分析不同焊接規范下的焊接電壓和電流的波形.研究了水蒸氣保護下電弧及熔滴過渡的特點,發現其電弧過程行為有「燃弧?熄弧?短路」和「燃弧?短路」兩種形式.在焊絲直徑和送絲速度一定的情況下,通過調節焊接迴路中的電感量和電源電壓,可以改變電弧的過程行為形式.若電弧過程呈「燃弧?熄弧?短路」交替進行,並且熄弧時間最短時,短路過渡頻率最高,在這種情況下,飛濺小,焊道成型好,焊接過程穩定The temperature - rise and water - evaporation rates are compared for different positions of brick dried and the main factors that affect the drying time are analyzed
對比了不同位置的溫度上升和蒸發速率變化,並簡要分析了影響乾燥時間的主要因素。The rate of evaporation depends on the material and such factors as the temperature, the surface area, amount of ventilation, and the pressure exerted on the surface
蒸發速率取決于材料及諸如溫度、蒸發面積、通風量和施加在此蒸發面上的壓力等因素。On the basis of analysis for experimental data, the relationship of power between evaporation mass and time for naphtha was found and the average value of the power is about 0. 70
原油的蒸發幾乎不受風速、液池面積的影響,這說明原油的蒸發受邊界層條件控制的程度很小,其蒸發速率主要由其自身性質(如分子擴散系數、蒸氣壓等)所決定,其蒸發過程是受基本蒸發過程式控制制的。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。The dehydration time is square of the droplets diameter so the small diameters of the droplets can cut down the drying time then reduce the height of the drying chamber. to the combined spin - flow pressure spray drying, the diameters of droplets are small and the dehydration rate is higher so keeping the qualities of the dried products we can increase the speed of the inlet wind and reduce the temperature of the outlet wind thus can improve the evaporation intensity of the drying chamber and the average energy utilization of the drying equipment
因霧滴的脫水時間與其直徑的平方成正比,減小液滴直徑有利於縮短乾燥脫水時間,可有效降低乾燥塔的高度;由於旋流式組合壓力噴嘴霧化滴徑的減小,脫水速度明顯加快,在不影響乾燥物料性質的前提下,適當提高進風溫度,同時有效地降低排氣溫度,有利於提高幹燥塔的蒸發強度,也有利於提高幹燥設備的平均能源利用率。Chemicals in showering water vaporize at a much faster rate than the actual water
淋浴水中的化學物質比實際的水蒸發速度要快。This machine is flowing and continuous type drying equipment firstly made by our factory. the machine is used for drying the piece, tape and particle state materials with good ventilation. the machine is suitable for the materials, such as de - watering vegetable. herbal medicine of traditional chinese medicine and others, for which the water content rate is high and the high temperature is not allowed. the machine owns the advantage, that its drying speed is fast, the evaporation strength is high and the product quality is good. the de - watering filtering cake state paste material, after the particle making or bar making, can be dried also
該機是穿流連續式乾燥設備,用於透氣性較好的片狀、條狀、顆粒狀物料的乾燥,對于脫水蔬菜,中藥飲片等含水率高,而溫度不允許高的物料龍為合適;該系列乾燥機具有乾燥速度快,蒸發強度高,產品質量好的優點,對脫水濾餅狀的膏狀物料,需經造粒或製成棒狀后亦可乾燥。There was a borderline w / b ratio, above which concretes containing fly ash or silica fume were more sensitive to plastic shrinkage cracking than that of concretes without fly ash or silica fume, and below which fly ash or silica fume high performance concretes can restrain the plastic shrinkage cracking
6 )在室內控制環境條件下,降低環境溫度、風速以及提高相對濕度均可減少新拌混凝土水分蒸發速率,從而減少塑性收縮裂縫。相比之下,提高環境相對濕度對減少水分蒸發和裂縫更為明顯。The results show that the exhaust fan current increases with frosting enhancement, while the increasing speed gets slower in the end of frosting, and the curves of current are slightly different at different voltages ; that the evaporation temperature decreases with frosting enhancement, and the decreasing speed becomes increasingly faster ; and that misoperation of defrosting can be avoided by using the intelligent defrosting control method based on exhaust fan current combined with evaporation temperature presented according to the experimental results
結果表明,排風機電流隨結霜厚度的增加而增大,增加速率在結霜後期趨緩,不同電壓下電流變化曲線略有不同;蒸發溫度隨結霜厚度的增加而降低,下降速度越來越快;使用根據實驗結果提出的基於排風機電流和蒸發溫度聯合控制的智能除霜方法可以基本避免誤除霜動作。分享友人