Results 21 to 30 of about 66,835 (250)

Lap Shear and Impact Testing of Ochre and Beeswax in Experimental Middle Stone Age Compound Adhesives. [PDF]

open access: yesPLoS ONE, 2016
The production of compound adhesives using disparate ingredients is seen as some of the best evidence of advanced cognition outside of the use of symbolism.
P R B Kozowyk   +2 more
doaj   +1 more source

Pine Resin Derivatives as Sustainable Additives to Improve the Mechanical and Thermal Properties of Injected Moulded Thermoplastic Starch

open access: yesApplied Sciences, 2020
Fully bio-based materials based on thermoplastic starch (TPS) were developed starting from corn starch plasticized with glycerol. The obtained TPS was further blended with five pine resin derivatives: gum rosin (GR), disproportionated gum rosin ...
Miguel Aldas   +3 more
doaj   +1 more source

SINTESA DPR (DISPROPORTIONATED ROSIN) DARI GUM ROSIN GRADE X SECARA BATCH [PDF]

open access: yesDISTILAT: Jurnal Teknologi Separasi, 2023
Indonesia merupakan salah satu negara yang memiliki kekayaan sumber daya alam yang melimpah, kekayaan  tersebut meliputi sumber daya alam seperti hasil hutan, hasil laut dan pertanian. Salah satu produk hasil hutan  yang bernilai tinggi adalah produk gondorukem (gum rosin). Gum rosin umumnya dimanfaatkan dalam bentuk  non-modifikasi. Namun perkembangan
Dini Qurrota’Ayuni Arita Putri   +1 more
openaire   +1 more source

Textiles Dyeing with Pomegranate (Punica granatum) Peel Extract Using Natural Mordant

open access: yesJournal of Natural Fibers, 2023
Agricultural waste represents a potential source of raw materials as natural dyes. The peel from pomegranate (Punica granatum) is a waste product, it is used in the textiles industry as dye.
Rong Yang   +4 more
doaj   +1 more source

Chewing gum and context-dependent memory: The independent roles of chewing gum and mint flavour [PDF]

open access: yes, 2008
Two experiments independently investigated the basis of the chewing-gum induced context-dependent memory effect (Baker et al, 2004). At learning and/or recall participants either chewed flavourless gum (Experiment 1) or received mint-flavoured strips ...
Miles, Christopher   +3 more
core   +1 more source

Physical Properties of Turpentine and Gum Rosin Pinus merkusii Jungh et de Vriese Tapped Oleoresin by Borehole Method

open access: yesJournal of Experimental Life Science, 2018
This study was conducted to determine the physical properties of turpentine and gum rosin derived from oleoresin tapped with borehole method. The research material is derived oleoresin from Aceh provenance pine and Jember landrace.
Agus Sukarno
doaj   +1 more source

Bio-based epoxy thermosets with rosin derived imidoamine curing agents and their structure-property relationships

open access: yeseXPRESS Polymer Letters, 2020
Multifunctional bio-based epoxy resin (PEMPAE) was synthesized by reacting Diels-Alder adduct of gum rosin and maleic anhydride (MPA) with pentaerythritol to get the esterified product (PEMPA) which was further epoxidized using epichlorohydrin and ...
T. Thakur   +4 more
doaj   +1 more source

Role of Fluvastatin sodium loaded polymeric nanoparticles in the treatment of Hyperlipidemia: Fabrication and Characterization

open access: yesGerman Journal of Pharmaceuticals and Biomaterials, 2023
The present work is focused on the formulation and evaluation of polymeric nanoparticles (NPs) loaded by Fluvastatin sodium (FLS). This drug has many disadvantages, including bioavailability of up to 24 to 44% and a half-life of approximately 30 min to ...
Avinash S Gudigennavar   +2 more
doaj   +1 more source

Application of Highly Surface Active Cationic Surfactants Based on Rosin as Corrosion Inhibitor for Tubing Steel During Acidization of Petroleum Oil and Gas Wells

open access: yesInternational Journal of Electrochemical Science, 2013
Rosin, a robust inexhaustible raw material from pine tree has attracted much attention due to its utilization as a feedstock for the preparation of cationic surfactants.
Ayman M. Atta   +3 more
doaj   +1 more source

Determination the flow of experimental modeling waxes by using vicat apparatus [PDF]

open access: yesAl-Rafidain Dental Journal, 2011
Aim of the study: measuring the flow of new experimental modeling waxes. Materials and methods: preparation of one hundred twenty (120) samples of different experimental modeling waxes by mixing of different percentages of Iraqi natural waxes ( hard ...
Nadira A. Hatim   +2 more
doaj   +1 more source

Home - About - Disclaimer - Privacy