نتایج جستجو برای: drops
تعداد نتایج: 15430 فیلتر نتایج به سال:
PURPOSE To assess the effect of patient education on videotaped topical instillation of artificial tear drops on subsequent topical instillation. MATERIALS AND METHODS Forty-five patients, who had been using glaucoma drops for at least 6 months and with a best-corrected visual acuity of 20/100 or better, were studied. The patients were asked to instill an artificial tear drop using their accu...
in the first part of this thesis we explored wetting and its dynamics for small droplets. first, we showed how a simple feature of water droplets on a surface, i.e. laplace pressure, can be exploited to build a micropump. we investigated capillary pumping in microchannels both experimentally and numerically. putting two droplets of different sizes at the in/outlet of a microchannel, will ge...
This paper proposes Hybrid Intelligent Water Drops (HIWD) algorithm to solve Tamhidi programs uncapacitated examination timetabling problem in Universiti Sains Islamic Malaysia (USIM). Intelligent Water Drops algorithm (IWD) is a population-based algorithm where each drop represents a solution and the sharing between the drops during the search lead to better drops. The results of this study pr...
The purpose of the studies was to examine the influence of the additives and storage temperature on physicochemical properties and on the antimicrobial activity of cefuroxime in the eye drops. The eye drops were 1% sterile aqueous solutions of cefuroxime in citrate buffer of pH 6.15-6.20, preserved with 0.002% thiomersal or 0.001% phenylmercuric borate with 0.4% beta-phenylethyl alcohol. Viscos...
We studied the condensation of water drops on a micro-structured lubricant-infused surfaces. Hierarchical micro-prism surfaces were fabricated by soft imprinting with wet TiO2 nanoparticle paste. After hydrophobization, the patterned surfaces were infused with silicone oil as a lubricant. When cooling at high humidity (over 80%), water drops nucleate and start growing on the surface. Once they ...
Nano eye-drops are a new type of ophthalmic treatment with increased potency and reduced side effects. Compounds in conventional eye-drops barely penetrate into the eye because the cornea, located at the surface of eye, has a strong barrier function for preventing invasion of hydrophilic or large-sized materials from the outside. In this work, we describe the utility of nano eye-drops utilising...
An electrostatic induction technique was used to determine both drop size distribution and concentration of bacteria in the film drops produced by bubbles bursting at the surface of a suspension of Serratia marcescens. Film drops are produced from the collapse of the thin film of water that just before bursting separates the air in the bubble from the atmosphere. Bubbles of 1.7-mm diameter prod...
Decreased power supply levels have reduced the tolerance to voltage changes within power distribution networks in CMOS integrated circuits. High on-chip currents, required to charge and discharge large on-chip loads while operating at high frequencies, produce significant transient IR voltage drops within a power distribution network. These transient IR voltage drops can affect the propagation ...
Here we present a novel and extremely simple method that can manipulate magnetic label-free nanoliter water-drops using micro-nanoliter magnetically controlled hydrophobic ferro-drops used as magnetic mediators. Water-drops and ferro-drops can be dynamically connected under interface force of water/oil, allowing water-drops to be rapidly motioned on threedimensional open platforms and transferr...
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