搜索结果: 1-14 共查到“林业工程 natural”相关记录14条 . 查询时间(0.078 秒)
Green Natural Protein Isolate based composites and nanocomposites: A review
Soy protein isolate Composite Nanocomposite Glycerol Packaging materials.content
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2024/1/19
Currently, synthetic polymers are extensively used due to their superior properties such as inexpensive and ease of processing. They are non-degradable and create pollution in the environment. There i...
Upgrading catalytic activity of NiO/CaO/MgO from natural limestone as catalysts for transesterification of coconut oil to biodiesel
Biodiesel Limestone Methyl ester PEG Vegetable oil
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2023/12/19
Limestone was converted to high surface area CaO/MgO catalysts via calcination-hydration-dehydration (CHD) method for transesterification of coconut oil to biodiesel. Thermal?decomposition?at 900 degr...
Natural fiber reinforced composites: Sustainable materials for emerging applications
Natural fibers Sustainable materials Sustainability Composite materials Chemical treatments
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2023/12/11
In the contemporary world,?natural fibers?reinforced polymer composite (NFRPC) materials are of great interest owing to their eco-friendly nature, lightweight, life-cycle superiority,?biodegradability...
Effect of Natural Crosslinker on the Properties of Chicken Feather and Modified Vegetable Oil Based Green Composites
Biocomposite natural fiber mechanical properties thermal properties biodegradable
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2023/12/4
For the past few decades environmental concerns had been influencing the researchers to employ natural fibers and polymers from renewable resources as a replacement for petroleum-based resins and synt...
Bio-based antibacterial packaging from decorated bagasse papers with natural rosin and synthesised GO-Ag nanoparticles
Bagasse papers antibacterial activity mechanical tests graphene oxide silver nanoparticles natural gum rosin
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2023/12/1
The growing awareness of the importance of bacterial-resistant surfaces has increased since the COVID-19 pandemic global problem. Therefore, the need for antibacterial surfaces has become urgent. The ...
Nanoarchitectonics of Starch Nanoparticles Rosin Catalyzed by Algerian Natural Montmorillonite (Maghnite-H+) for Enhanced Antimicrobial Activity
Rosin acid Starch Degree of substitution Bronsted and Lewis acid catalyst Antimicrobial activity
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2023/11/30
In this work, potato starch was hydrolyzed by acid (HCl) to form nanoparticles (SNPs) that were esterified with acid Rosin using a green heterogeneous catalyst based on Algerian montmorillonite clay k...
Engineering Lignocellulose Fibers with Higher Thermal Stability through Natural Fiber Welding
ionic liquids lignocellulose nanocellulose natural fiber welding silane thermal stability
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2024/3/12
This study reveals how natural fiber welding (NFW) can be used to engineer biopolymer materials with improved thermal stability. First, it is shown how NFW without binders improves lignocellulose yarn...
STRUCTURE AND DYNAMICS OF OLD-GROWTH AND NEAR-NATURAL BEECH FORESTS IN EUROPE
beech (Fagus sylvatica L.) old-growth forest forest reserve forest structure and dynamics
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2009/11/27
In past millennia, pure beech (Fagus sylvatica L.) forests covered vast areas of central and southeastern Europe. However, due to intensive forest exploitation by humans, few old-growth remnants of th...
NATURAL REGENERATION ECOLOGY OF A SECONDARY ALTIMONTANE SPRUCE FORESTS AT JELENDOL
altimontane spruce forest natural regeneration ecological factors irradiation gap
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2009/11/27
Natural regeneration of altimontane spruce forests at Jelendol is retarded due to many factors. In autumn 2003, gaps of different size and parts of the surrounding stand were covered with a 5 x 5 grid...
THE GENETIC ASPECT OF THE SPRUCE STAND NATURAL REGENERATION IN THE PERMANENT FOREST RESEARCH PLOT ŠIJEC ON THE POKLJUKA PLATEAU
Picea abies (L).Karst natural regeneration genetic structure isozymes forest gene conservation
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2009/11/26
The aim of the research was to check the ability of natural regeneration for sustainable conservation of Picea abies (L.) Karst. genetic resource in the permanent forest research plot Šijec on th...
Exposition of working and natural environment to noise during timber transport by helicopter MIL MI-8 in Carpathian region of Slovakia
helicopter timber skidding noise environment analysis
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2014/2/27
This paper includes the results of noise measurements during timber transport by helicopter MI-8 in The High Tatras conditions in 2005. Using this highly efficient timber skidding technology with mult...
Issues and opportunities for investment in natural tropical forests
Issues and opportunities for investment natural tropical forests
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2014/3/6
This technical report contains the proceedings of the International tropical forest investment forum: issues and opportunities for investment in natural tropical forests. The Forum made a significant ...
ATO/ITTO principles, criteria and indicators for the sustainable management of African natural tropical forests
criteria African natural tropical forests
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2014/3/6
The African Timber Organization (ATO) is an intergovernmental organization created in 1976 for cooperation on forestryissues relating to its 14 member countries, which between them contain over 75% o...
ITTO GUIDELINES FOR THE SUSTAINABLE MANAGEMENT OF NATURAL TROPICAL FORESTS
GUIDELINES MANAGEMENT OF NATURAL TROPICAL FORESTS
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2014/3/6
lt is with great pleasure that 1 hereby introduce the first publication in the ITTO Policy Development Series. For our young Organization this publication represents a major milestone in our efforts t...