نتایج جستجو برای: liquid paraffin
تعداد نتایج: 231553 فیلتر نتایج به سال:
The present paper concerns on the selective and very efficient transport of thorium(IV) ions from aqueous solutions through an emulsion liquid membranes composed by paraffin and a surfactant, without carrier requirement. The influence of pH of the external aqueous phase, the surfactant concentration in the membrane phase, the type, and concentration of th...
isolation of nocardia from patients with bronchopulmonary disorders by using paraffin bait technique
170 patients admitted to shariaty hospital pulmonary ward were studied for pulmonary nocardiosis during 17 months (aug 1990-jan 1992). paraffin baiting was used and nocardia asteroides isolated in five cases from sputum, pleural fluid and bronchial washing. the technique used in this study inhibits growth of other organism and yeast and is reliable, simple and cheap for isolation of nocardia fr...
Basil (Ocimum basilicum) leaf essential oil contains terpenoid compounds that have antibacterialactivity. This study aims to obtain hand cream preparations of basil oil, as well determinethe effect concentration variation liquid paraffin on the results evaluation preparation.In this study, three formulations were made withthree variations in paraffin, namely F1 (9%), F2 (10%), and F3 (11%).Furt...
We have micromachined and tested the first paraffin–PDMS composite thermal microactuator having multi shot large vertical displacement capabilities (~160 μm for 1 mm diameter device). A solid to liquid phase change of trapped paraffin into the PDMS is used to create a large volume dilatation of the composite (18%, for a temperature varied from 20 to 80 °C). The elasticity of the PDMS ensures th...
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