نتایج جستجو برای: atomizer
تعداد نتایج: 530 فیلتر نتایج به سال:
Allergic fungal sinusitis (AFS) is a stubborn disease requiring surgical and medical management. Delivery of topical medication is paramount in these patients, but the most difficult to accomplish. We investigated heavy irrigation (nasal douche) and atomized medication delivery potential in a cadaveric sinus model of polypoid AFS disease. Three disease models were created: a control that involv...
A number of analytical models predicting the size distribution of particles during atomization of Al-based alloys by N2, He and Ar gases were compared. Simulations of liquid break up in a close coupled atomizer revealed that the finer particles are located near the center of the spray cone. Increasing gas injection pressures led to an overall reduction of particle diameters and caused a migrati...
Method for Determining Optimum Operational Conditions of Microbubble Scrubber Using Image Processing
This paper presents an image-processing-based model for calculating the interfacial-area concentration (IAC) of a low-pressure microbubble (LPMB) scrubber, which facilitates determination operational conditions scrubber via flow-pattern analysis. The LPMB maximizes interfacial area two-phase systems using bubbly flow. Microbubbles have received attention due to their microscopic sizes, high res...
A simple technique is presented for the analysis for copper in small fragments of tissue. Dissolution of the tissue in concentrated nitric acid is the only preparative step required. Copper content is then determined by comparison with standards, by using the carbon rod atomizer previously described. Sample volumes of less than 2 d are used for each measurement. The method gives results that co...
Abstract We study the approach to calculating scale and shape parameters of Weibull droplet-size distribution by means skewness, kurtosis variance, obtained simulation atomization in an air-assisted atomizer with different viscosities, densities, flow rates surface tensions atomizing liquid. Such evades necessity determine shift parameter use approximation from calculation distribution. The maj...
Uscarea prin pulverizare este o metodă frecvent folosită la încapsularea microorganismelor probiotice. În prezentul studiu a fost utilizat duză ultrasonică de 120 kHz pentru a obţine granule foarte fine, care pot fi folosite în produse lactate probiotice. Celule de bacterii lactice au fost încapsulate în alginat şi maltodextrină prin atomizare cu ultrasunete. Încapsularea a fost realizată pentr...
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