droplet size 中文意思是什麼
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The containerless rapid solidification of al - 32. 7wt % cu eutectic alloy in drop tube is investigated. the " lamellar eutectic - anomalous eutectic " microstructural morphology transition occurs with the decrease of droplet size
採用落管無容器處理技術研究了al - 32 . 7wt cu二元共晶合金在深過冷條件下的快速凝固規律。 -
Similar comments apply for extinction due to the droplet size becoming insufficient.
對于因液滴尺寸不斷減小而引起的熄火也可作類似的說明。 -
The nozzle diameter and the ejection pressure have a great effect on the flow rate 、 droplet cone shape 、 droplet size and cover area of fluid pesticide
噴嘴孔徑和噴出壓力在很大程度上影響著藥液的流量特性、霧錐形狀、霧滴大小和覆蓋面積。 -
According to the experimental data of droplet size 、 particle spectrum range 、 droplet cone shape 、 flow rate 、 cover area and cover area rate which obtained through changing the pressure of power sprayer and the nozzle diameter in greenhouse ， this paper made comparative analysis on atomizing performance in same pressure and different nozzle type between same nozzle type and different pressure. the conclusion is that : the ejection rate and the droplet cone shape change with the variation of pressure and nozzle diameter ， average particle diameter decreases obviously and particle quantity increases obviously with the increase of pressure and decrease of nozzle diameter. these results will lay experimental foundation for precise spraying 、 low pollution and highly effective operation
本文根據溫室內動力噴霧機壓力與噴嘴孔徑的變化影響霧滴大小、粒譜范圍、霧錐形狀、流量、覆蓋面積及覆蓋面積率的試驗數據，對相同壓力下不同噴嘴型號和相同噴嘴型號時壓力不同時的微粒化性能進行對比分析和研究，得到如下結論噴出量與霧錐形狀隨著壓力和噴嘴孔徑大小變化而變化；平均粒徑隨著壓力的增加和噴嘴孔徑的減小而明顯減小；粒數隨著壓力的增加和噴嘴孔徑的減小而明顯增多，為精噴量、低污染、高防效的防除作業奠定了實驗基礎。 -
The droplet size was found though the experience formulae and experience methods
根據經驗公式及實驗方法計算了鈦酸丁酯溶液的霧化粒徑。 -
The test results showed that increasing droplet size was associated with better stability.
試驗結果表明，增加液滴尺寸將使穩定性提高。 -
Since the addition of the initiator causes a chain reaction to occur, control in the form of cooling must be exerted to control the size of the emulsion droplet
加入引發劑引起一個鏈式反應后，可以通過控製冷卻形式控制乳液滴的大小。 -
Aimed at some problems such as short spraying distance, electricity - leaking and reverse ionization among electrostatic nozzles existing in the country, a induction charging and pneumatic energy electrostatic nozzle was designed. the basic designing theories, structure and working process of this nozzles were theoretically specified in the paper. and then the atomization quality and charge performances of this nozzle and its affecting factors were studied by carrying out performance experiment and statistic analysis. result of the studies indicate : ( 1 ) some progress were made in solving the problems list above ; ( 2 ) from this nozzle, droplet were minute and uniform, and higher charge - mass ratio can be obtained under lower electrostatic voltage, thus the atomization quality and charge performance of this nozzle were both better ; ( 3 ) within the experiment extend, air pressure at 0. 2mpa, electrostatic voltage at 2400v were the most suitable parameters for the nozzle ; ( 4 ) the regression equations for describing droplet size, intensity of spray current and charge - mass ratio of this nozzle obtained from the experiment data had higher forecast precision ; ( 5 ) cross - effect of all factors were not significant, the atomization quality and charge performance were relative dependency affected by the factors
諸試驗因素中，充電電壓和噴孔直徑對霧滴荷質比均有極顯著的影響；氣體壓力和液體流量對霧滴荷質比的影響均不顯著；影響霧滴荷質比的主要因素依次為充電電壓和噴孔直徑; （ 8 ）在300v 、 600v 、 1200y 、 1800y 、 2400v 、 3000v六種充電電壓t ，霧滴荷質比先隨充電電壓的增加而增大， 2400v后荷質比減小，推測:對于所研製的噴頭可能存在一個最佳充電電壓; （ 9 ）由充電電壓和噴孔直徑的不同搭配所得霧滴荷質比不同這一結果，可看出，較大充電電壓需配備較大噴孔直徑以增強霧滴荷電效果; （ 10 ） td3 . 6和td3 . 4兩噴頭的霧滴荷質比曲線趨于重合，說明噴孔直徑大於滬3 -
The obtained results showed that, after impingement the diffusion angle of fueldroplet changed much bigger than that of before impingement, and the same to the penetration, but the droplet size and distribution remained unchanged
結果表明，燃油經撞擊后可顯著地增大油束擴散角、不同程度地影響了燃油束的貫穿度，但對燃油束撞擊前後滴徑變化的影響不大。 -
This paper reports the droplet size and distribution, penetration and diffusionangle of fuel spray before and after impingement by multiple - picture overlapping photography and laser technology, as well as the fuel spray mixing and burning process in a direct injection diesel engine by high speed photography
本文介紹了用多次噴霧疊加攝影與激光粒子分析技術對燃油噴霧撞擊前後的粒徑、貫穿度以及噴霧錐角等因素變化所進行的觀察和測量以及介紹了利用雙像高速攝影技術對燃油束撞擊霧化形成的混合氣以及燃燒過程特點的研究。 -
The numerical simulation is carried out and the sauter mean diameter and the axial and radial size distribution of droplet of round jets and annular jets were obtained. numerical results are in good agreement with experimental data
針對hy911圓柱形射流和環形射流，計算出霧化液滴sauter平均直徑以及軸向和徑向液滴尺寸分佈，計算結果與實驗數據吻合較好。 -
In theoretically flow - levitation method can prepare the nanoparticle of a series of different metal element and different size. through a course imitate for preparation of nanometal powders in inert gas by flow - levitation method, have established the mathematics model of the metal droplet surface evaporate to form suspension nanoparticles in inert gas, the calculation of this model shows as a result, the major factor of affect nanometer
研究表明，自懸浮定向流法制備的納米金屬間化合物微粒其相組成與蒸發源母料的成分有一定的對應關系，適當條件下得到的產物顆粒中，主要組成相的cu 、 al原子比基本接近或盡量與蒸發源母料的cu 、 al原子比趨於一致，換言之，可以通過 -
Abstract : with an optical probe based on the principle of multi - wavelength light extinction, size and concentration of droplet were measured in a transonic wind tunnel. this paper presents the measurement results
文摘:應用基於多波長消光法原理發展的光學探針，測量了跨聲速風洞中不同馬赫數濕空氣流自發凝結形成的水滴尺寸及濃度，並給出了實驗結果。 -
Study of measurement for the liquid - droplet size distribution by using bpnn
網路技術在液滴粒度分佈中的應用研究 -
A model in which second atomization and collision among droplets was considered, for the droplet size distribution of energetic liquid jet was established on the basis of primary breakup model
在此基礎上，考慮二次霧化以及液滴之間的碰撞，建立了含能液體噴霧場液滴尺寸分佈的數學模型，並進行了數值模擬。 -
A lot of photographs of atomization field on high pressure jet were obtained by the use of the energetic liquid injection device and laser holographic system, so that the properties of axial and radial droplets size distribution were revealed. the relations of droplet size distribution with injection pressures, nozzle and viscosity were discussed
利用含能液體噴射霧化模擬裝置及其全息攝影系統，得到了多種工況下液體藥射流噴霧場的全息照片，揭示了噴霧場中液滴軸向和徑向分佈規律，分析了噴射壓力、噴嘴形狀、液體粘度等對射流破碎的影響。 -
Lattices prepared by emulsion polymerization generally are opaque and appear to be white with varying degrees of bluish or reddish tint, depending on the size of the polymer emulsion droplet
乳液聚合形成的晶格一般是不透明的，呈白色，從不同角度看去會有淺藍色或淺紅色，依賴于聚合物乳液滴的大小。 -
Compared with a water droplet of the same size, a bubble absorbs much less light than the water droplet because it has so little matter
與同一大小的水滴比較，因為氣泡含物質較少，吸去的光亦較少。
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