搜索结果: 1-13 共查到“林业工程 Methods”相关记录13条 . 查询时间(0.187 秒)
Advanced Flame-Retardant Methods for Polymeric Materials
bulk additives bulk-copolymerization flame-retardant methods polymeric materials surface treatment
2023/12/1
Most organic polymeric materials have high flammability, for which the large amounts of smoke, toxic gases, heat, and melt drips produced during their burning cause immeasurable damages to human life ...
Spectrometric prediction of wood basic density by comparison of different grain angles and variable selection methods
Spectrometric prediction wood basic density
2023/6/2
Evaluation of an environmental profile comparison for nanocellulose production and supply chain by applying different life cycle assessment methods
Life cycle assessment methods Nanocellulose Evaluation
2024/2/28
The interest in nanocellulose made from woody biomass has been growing rapidly; however, detailed studies on the environmental performance of nanocellulose have only been reported on a few occasions. ...
Use of nonparametric regression methods for developing a local stem form model
Norway spruce spline stem curve taper
2015/5/5
: A local mean stem curve of spruce was represented using regression splines. Abilities of smoothing spline
and P-spline to model the mean stem curve were evaluated using data of 85 carefully measur...
DETECTION AND PREDICTION OF SPONTANEOUS AFFORESTATION USING MULTISPECTRAL SATELLITE DATA AND GIS METHODS
DETECTION PREDICTION SPONTANEOUS AFFORESTATION MULTISPECTRAL SATELLITE DATA GIS METHODS
2009/11/26
DETECTION AND PREDICTION OF SPONTANEOUS AFFORESTATION USING MULTISPECTRAL SATELLITE DATA AND GIS METHODS。
CHARACTERIZATION METHODS FOR WOOD EXTRACTIVES。
NORWAY SPRUCE (Picea abies (L.) Karst) DAMAGE IN THE ZASAVJE DISTRICT OF SLOVENIA EVALUATED BY TWO METHODS
air pollution Zasavje Norway spruce Picea abies (L.) tree damage
2009/11/25
The Zasavje district has been heavily affected by air pollution due to mining, the presence of a coal-fired power plant, and industry. The extent of forest damage differs according to location because...
ANALYSIS OF FOREST QUANTITIES AND SPECIES COMPOSITION ALTERATION USING TWO DIFFERENT METHODS WITH COMPARISONS
composition type forest stand composition alteration computer model type alteration indicator
2009/11/25
The article analyses composition alterations in forest stands using two methods. In the first, composition alterations in types of plant community are estimated and in the second, composition alterati...
SOLAR RADIATION MEASUREMENTS IN FORESTS-II. METHODS BASED ON THE PRINCIPLE OF HEMISPHERICAL PHOTOGRAPHY
solar radiation assessment silviculture horizontoscope hemispherical photography
2009/11/25
The know-how in the field of solar radiation distribution in forests is important for basic ecological investigations and silvicultural practice. Three methods of solar radiation assessment based on h...
SOLAR RADIATION MEASUREMENTS IN FORESTS-I. EVALUATION OF METHODS AND INSTRUMENTS
solar radiation radiation measurements silviculture photosinthesis photosynthetically active radiation
2009/11/25
Solar energy sustains ecosystems on earth, therefore solar radiation measurements are the basis for ecological research in forests. Silviculturists in particular should be aware at least of the basic ...
Evaluation of the Shear Strength of Lumber by Different Test Methods
shear strength block shear full-scale three-point bending five-point bending
2009/3/6
Four kinds of shear tests, i.e., JIS block, full-scale block, three-point bending and five-point bending, were conducted to predict the shear strength of the difficult to perform bending method from t...
Differences in volume of round timber caused by different determination methods
round timber dimension measurement log volume
2009/2/25
Different methods of measuring and calculating the volume of logs in the forest after felling (“hand measuring”) and in log yards of sawmills (“electronic measuring”) give different results – volume...
Methods for improving building wood properties
wood modification heat-treated wood acetylation nano-coatings wood-plastic composites WPC
2009/2/25
The development of methods for improving wood properties and durability of wood and wood-coating system has been intensified lately. Wood properties such as dimensional stability, water repellency, ...