نتایج جستجو برای: rosin rammler distribution
تعداد نتایج: 608860 فیلتر نتایج به سال:
524 Ann Dermatol Received June 4, 2013, Revised June 27, 2013, Accepted for publication July 23, 2013 Corresponding author: Woo Jin Lee, Department of Dermatology, Asan Medical Center, 88 Olympic-ro 43-gil, Songpa-gu, Seoul 138-736, Korea. Tel: 82-2-3010-3460, Fax: 82-2-4860-7831, E-mail: uucm79@ gmail.com This is an Open Access article distributed under the terms of the Creative Commons Attrib...
In this study, investigation of the combustion properties Oriental beech wood (Fagus orientalis Lipsky) impregnated with boron compound (borax (Na2B4O710H2O), boric acid (H3BO3) doped rosin (C19H29COOH) was aimed. For purpose, samples were prepared according to ASTM E 160-50 and by method medium-term dipping (24 hours) D 1413 producers’ definition. Combustion after process determined 160-50. As...
Esterification of rosin with pentaerythritol produces ester (RPE) which is widely used in paint, coating, and pressure-sensitive hot-melt adhesive industries. Although RPE has excellent valuable applications been industrially produced, studies on the reaction kinetics have not reported present literature. This work proposed a kinetic study synthesis by including series consecutive reactions for...
The aim of this study was to set up a chemometric procedure using near infrared spectra acquired with low-cost handheld spectrometer (SCiO), quantify the main chemical components maritime pine (Pinus pinaster) resin, in view SCiO as quality control tool for tapping industry. This carried out on samples resin harvested during summer 2018, Biscarosse, France. Spectral data were collected both an ...
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