نتایج جستجو برای: mechanical pulp
تعداد نتایج: 255787 فیلتر نتایج به سال:
Previous studies indicate that the astroglial glutamate-glutamine shuttle may be involved in acute pulpal inflammatory pain by influencing central sensitization induced in nociceptive neurons in the trigeminal subnucleus caudalis [the medullary dorsal horn (MDH)] by application of an inflammatory irritant to the rat tooth pulp. The aim of this study was to test if intrathecal application to the...
Abstract Wood extractives are known to cause problems during the production of pulp and paper impact their mechanical properties. In present work, we systematically explored whether minute residual amounts that reprecipitate on fiber surface in final stages pulping process would lower thermal resilience softwood Kraft pulp. Pulp samples subjected different extraction methods were characterized ...
Vitality of dental pulp is essential for long-term tooth survival. The aim of vital pulp therapy is to maintain healthy pulp tissue by eliminating bacteria from the dentin-pulp complex. There are several different treatment options for vital pulp therapy in extensively decayed or traumatized teeth. Pulp capping or pulpotomy procedures rely upon an accurate assessment of the pulp status, and car...
Aim of study: In this study, the effect lignocellulosic filler and coupling agent amount on physical mechanical properties produced sugar beet pulp/LDPE composites were researched.
 Material methods: Wood-plastic using compression molding method. The (maleic anhydride grafted polyethylene) (density water uptake analyses) (tensile strength, tensile modulus, elongation at break, flexural imp...
Introduction Cellulose fibers have unique properties that allow them to be used for a variety of products— from low-density cushioning to high-density structural products. Knowing what types of fibers and processing methods to use for each product application requires an understanding of potential properties. Historically this understanding has tended to be more an art than a science. The paper...
Aramid fibers and glass are widely used in dense-graded asphalt mixtures to improve the mechanical characteristics. However, their effect on characteristics of porous has not been explored. This study evaluated influence aramid fiber, pulp, glass-hybrid cellulose fiber abrasion resistance strength while maintaining functional The performance PA-16 incorporated with was using Cantabro test, perm...
This work aims to fill gaps in the present knowledge of the structures of wood polysaccharides of potential importance in mechanical and chemical pulping. The detailed structures of the polysaccharide components from wood that dissolve during mechanical pulping were determined. The structures of polysaccharide components linked to residual lignin in chemical pulp were also determined. Methylati...
ABSTRACT - Vermicomposting with pomegranate pulp can not only prevent pollution of the environment but can also create jobs, generate added value and prevent the waste of energy and the country's capital. This factorial experiment was conducted in a completely randomized design. The first factor (a) in two levels contained neutralized pomegranate pulp with lime and non-neutralized pulp. The sec...
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