Results 51 to 60 of about 1,809 (178)

Compression wood in Pinus radiata II: Density and chemical composition Madera de compresión en Pinus radiata II: Densidad y compuestos químicos

open access: yesMaderas: Ciencia y Tecnología, 2009
Ten 22 year old radiata pine trees growing in two stands in Chile, one in clay and the other in humid sand soils showing some lean, were assessed for chemical composition and wood density of compression wood.
J. E Díaz-vaz   +5 more
doaj  

Comparison of Mechanical Properties of Lignin/High‐Density Polyethylene (HDPE) Composites and Wood/HDPE Composites

open access: yesJournal of Applied Polymer Science, Volume 143, Issue 5, February 5, 2026.
Manufacturing process and mechanical testing of lignin polymer composites. ABSTRACT Lignin is a plant‐derived, the second most abundant natural polymer, and a waste byproduct of the pulp industry. Incorporation of lignin into plastic composites using scalable approaches is commercially favored and low carbon‐cost.
Yelin Ni   +7 more
wiley   +1 more source

Optimizing Soil Properties Through Hydrogel and Sawdust Combinations for Better Plant Growth

open access: yesJournal of Plant Nutrition and Soil Science, Volume 189, Issue 1, Page 168-178, February 2026.
This graphical abstract illustrates the effects of various soil amendments on poplar cutting vitality under drought conditions, as observed using X‐ray computed tomography (CT). It compares soil alone, soil with sawdust, soil with hydrogel, and their combination, highlighting differences in internal structure, water retention, and root development.
Kateřina Hájková   +9 more
wiley   +1 more source

SIFAT KIMIA TIGA JENIS KAYU RAKYAT

open access: yesJurnal Riset Industri Hasil Hutan, 2011
The objective of this study was to determine the chemical components of three kinds of social forestry timber of Jengkol, Madang, and Bangkinang, where wood samples was procured from Loksado South Kalimantan. The analysis was conducted according to TAPPI
Yuniarti Yuniarti
doaj   +1 more source

Fractioning of bark of Pinus pinea by milling and chemical characterization of the different fractions

open access: yesMaderas: Ciencia y Tecnología, 2017
The bark of stone pine (Pinus pinea) from 50 year old trees grown in Portugal was submitted to grinding and fractioning into different particles sizes. The trees had a thick bark with an average 3,7 cm constituted mainly by the periderm and rhytidome (3 ...
Isabel Miranda   +3 more
doaj  

Increased delignification rate of Dendrocalamus strictus (Roxburgh) nees by Schizophyllum commune Fr.; Fr. to reduce chemical consumption during pulping process [PDF]

open access: yesSongklanakarin Journal of Science and Technology (SJST), 2013
Pulp and paper industry is traditionally known to be a large contributor to environmental pollution due its largeconsumption of energy and chemicals. To reduce the chemical consumption, rate of delignification was increased bySchizophyllum commune in ...
Vipin Kumar Saini   +3 more
doaj  

Comparison of Variations in the Chemical Constituents of the Rhizome and Culm of Phyllostachys pubescens at Different Ages

open access: yesBioResources, 2014
A systematic study was conducted on Phyllostachys pubescens by analyzing the chemical constituents of its rhizome and culm at different ages. Our results indicated that the ash contents of the rhizome and culm of P. pubescens at different ages showed the
Bin Xu, Shuai Liu, Tao Zhu
doaj   +1 more source

Türkiye’de Doğal Olarak Yetişen Titrek Kavak Odununun (populus tremula L.) Lif Morfolojisi ve Kimyasal Yapısının İncelenmesi

open access: yesDüzce University Faculty of Forestry Journal of Forestry, 2013
Bu çalışmada titrek kavak (Populus tremula L.) ağacının kimyasal analizleri ve lif yapısı incelenmiştir. Titrek kavak odunu, Bartın orman işletme müdürlüğüne bağlı Arıt şefliğinden temin edilmiştir.
Mehmet Onurhan Gücüş   +1 more
doaj  

Study of Niobium as a Catalyst for Conversion of Cellulosic Biomass Into Multiple Value-added Products in Aqueous Medium

open access: yesChemical Engineering Transactions
This work aimed to evaluate the catalytic activity of the catalysts niobium phosphate (PNb), niobium acid (HNb) and the 1:1 mechanical mixture of both catalysts (HPNb) based on the results obtained for the yield of glucose, xylose, 5 ...
Maurino M. Jesus Junior   +2 more
doaj  

DISSOLUTION OF HOLOCELLULOSE IN IONIC LIQUID ASSISTED WITH BALL-MILLING PRETREATMENT AND ULTRASOUND IRRADIATION

open access: yesBioResources, 2012
One of the most promising technologies for lignocellulosic biomass utilization employs ionic liquids for the conversion of isolated components into fuels, pharmaceuticals, chemicals, and composites after fractionation of lignocellulose. However, the time
Fengxia Yue,   +5 more
doaj  

Home - About - Disclaimer - Privacy