نتایج جستجو برای: glycerin
تعداد نتایج: 2182 فیلتر نتایج به سال:
asymmetric membranes are widely used in many industrial membrane separation processes. the major advantage of membrane filtration over the conventional process is its ability to remove a wider spectrum of particles without using any chemicals. hollow fiber configuration offer many advantages over flat-sheet or tubular membranes. the spinning process of hollow fiber may look simple, yet it is te...
Grain protein-based films containing mixtures of glycerin and polyethylene glycol (PEG) as plasticizers were prepared and evaluated for water vapor permeability (WVP), tensile strength (TS), and elongation (E). Changes in mechanical properties during storage were also studied. The PEG produced opposite trends in E of wheat gluten and corn-zein films. The TS of wheat gluten films increased and E...
INTRODUCTION Hand hygiene is an important procedure in preventing peritoneal dialysis-related infections. OBJECTIVE To compare the effectiveness of two distinct techniques for hand hygiene in reducing the number of colony-forming units in patients on peritoneal dialysis. MATERIALS AND METHOD Controlled clinical trial. Thirty patients underwent three collections of microbiological flora from...
The objective of this study was to evaluate the effects of crude glycerin on performance and carcass characteristics in finishing wether lambs. Thirty black-faced, Suffolk-cross wether lambs (44.1 +/- 5.6 kg initial BW) were stratified and blocked by BW to 1 of 5 individually fed, isocaloric, isonitrogenous dietary treatments containing 0, 5, 10, 15, or 20% crude glycerin (88% pure) on a DM bas...
As a white pigment, titanium oxide is used for cosmetic application. This oxide is well known to have the photo catalytic activity. Therefore a certain degree of sebum is decomposed by the ultraviolet radiation in sunlight. In this work, titanium phosphates were prepared with additives (urea, sodium lactate, and glycerin) as a novel white pigment. Their chemical composition, powder properties, ...
BACKGROUND AND OBJECTIVE Premature infants are often given glycerin enemas or suppositories to facilitate meconium evacuation and transition to enteral feeding. The purpose of this study was to assess the available evidence for this treatment strategy. METHODS We conducted a systematic search of Medline, Embase, Central, and trial registries for randomized controlled trials of premature infan...
Electrical impedance of the cochlear implant lubricants hyaluronic acid, oxycellulose, and glycerin.
Hyaluronic acid (Healon), oxycellulose (hydroxypropyl methylcellulose), and glycerin are lubricants used in cochlear implant surgery for atraumatic deep insertion of the electrode array into the scala tympani. The electrical impedances of these three lubricants were measured to assess possible effects on intraoperative evoked response measurements, such as the electrically evoked stapedius refl...
To reduce the cost of algal biomass production, mathematical model was developed for the first time to describe microalgae growth, lipid production and glycerin consumption under photoheterotrophic conditions based on logistic, Luedeking-Piret and Luedeking-Piret-like equations. All experiments were conducted in a 2 L batch reactor without considering CO(2) effect on algae's growth and lipid pr...
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