نتایج جستجو برای: forest products

تعداد نتایج: 393367  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز - دانشکده کشاورزی 1394

with the increasing population and the need for more food, as well as with the development of science and technology, human approach to unnatural and often chemical inputs to increase agricultural production has been a great expansion and problems such as increased cancers, chronic diseases has created environmental pollution. implementation of organic organic is a solution to these problems . ...

2017
C. Schmullius J. Reiche R. Leiterer O. Cartus M. Santoro U. Wegmüller Z. Y. Li X. Tian

One of the main objectives of the Forest DRAGON 2 project is the evaluation of the Forest DRAGON 1 large area forest growing stock volume (GSV) maps generated for Northeast and Southeast China, based on ERS-1/2 tandem coherence data from the mid 1990s. A special cross-comparison design mainly based on freely available Earth Observation products has been developed in consequence of lack of exten...

2015
Moses Azong Cho Oupa Malahlela Abel Ramoelo

Indigenous forest biome in South Africa is highly fragmented into patches of various sizes (most patches < 1 km). The utilization of timber and non-timber resources by poor rural communities living around protected forest patches produces subtle changes in the forest canopy which can be hardly detected on a timely manner using traditional field surveys. The aims of this study were to assess: (i...

2013
Nathaniel Anderson J. Greg Jones Deborah Page-Dumroese Daniel McCollum Stephen Baker Daniel Loeffler

Thermochemical biomass conversion systems have the potential to produce heat, power, fuels and other products from forest biomass at distributed scales that meet the needs of some forest industry facilities. However, many of these systems have not been deployed in this sector and the products they produce from forest biomass have not been adequately described or characterized with regards to ch...

1999
A. Moiseyev

--The Russian forest sector is currently under pressure of an economic crisis. Average annual production of the roundwood has decreased about 3 times since 1989. Limited domestic demand for forest products restricts production growth and the development of the technology in forest industries. At the same time forest resources are not fully utilized. However, this situation may change in the fut...

2010
Roger K. Conway Marvin R. Duncan

Bioproducts are nonfeed or food industrial goods composed to a significant degree from biological products, renewable domestic agricultural materials, or forestry materials. Hydraulic fluids, lubricants, biopharmaceuticals, chemicals, and building materials all fall within the product range of bioproducts. There are a wide variety of feedstocks that can be used to make bioproducts, including gr...

2017
Thomas L. Eberhardt Joseph Dahlen Laurence Schimleck

Journal: Canadian Journal of Forest Research Manuscript ID cjfr-2017-0091.R1 Manuscript Type: Article Date Submitted by the Author: 13-Jun-2017 Complete List of Authors: Eberhardt, Thomas; USDA Forest Service, Forest Products Laboratory Dahlen, Joseph; University of Georgia, Warnell School of Forestry and Natural Resources Schimleck, Laurie; Oregon State University, College of Forestry Keyword:...

1995
Riccardo Barbieri

As a consequence of the large top quark Yukawa coupling, supersymmetric unified theories with soft supersymmetry breaking terms generated at the Planck scale predict lepton flavour and CP violating processes with significant rates. The flavour violating parameters of the low energy theory are derived in both SU(5) and SO(10) theories, and are used to calculate the rate for μ → eγ. The sensitivi...

2012

Forest products value chains (FPVC) are complex networks of units incorporating different goals and beliefs. These units need to work together to generate the different elements of value. To study these value chains, a common representation and understanding of the different components of a value chain must be obtained. This will permit the evaluation of forest and industry strategies, supply c...

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