annual rings
Effect of annual rings on transmission of 100 GHz millimeter waves through wood
... as annual rings can be regarded as inhomogeneous because annual ring widths are close to or longer than the ...61st Annual Meeting of ...
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Does Cedrela always form annual rings? Testing ring periodicity across South America using radiocarbon dating
... The second potential environmental stimulus for ring formation is insolation, which is known to have an important influence on tropical tree phenology (Borchert et al. 2005, 2015). For example, some species have been ...
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Determination of the number of sapwood annual rings in oak in the region of southern Moravia
... an annual ring (WAGENFÜHR ...the annual ring width. Thus, there is similarity in the change of the annual ring width within a stand particularly as for maximum and minimum values (DOUGLASS ...
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Blue intensity from a tropical conifer’s annual rings for climate reconstruction : an ecophysiological perspective
... during annual growth ring development might indicate a cavitation-avoidance response by reducing the size of lumens in order to maintain the in- tegrity of the water column between the roots and the ...
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Effect of annual rings on abrasive wear property of wood
... Regarding the abrasive wear property of Douglas fir, in specimens with the same dimensions but different annual ring widths, the dispersion of the wear coefficient in[r] ...
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Variation of tensile strength with annual rings for lumber from the Japanese larch
... We found that all sample trees showed the same variation trend in the radial direction (Figs. 1, 2), so we compared the variations of the lumber and small clear specimens using[r] ...
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Analysis of coniferous species to identify and distinguish juvenile and mature wood
... (annual rings) to the cluster of juvenile wood and mature ...of rings at those cross-sections was smaller than or equal to the number of rings of juvenile wood, calculated by the algorithm on ...
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Ecological and growth characteristics of trees after resumption of management in abandoned substitution forest in Japan
... Species types, stand density, and number of annual rings in trees growing after abandonment of substitution forest for half a century.. 1 Species types and stand density NT and BA.[r] ...
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Morphologies of Some Graphites in Ductile Cast Irons
... The internal structure of different types of graphite commonly found in the ductile cast iron were investigated by TEM technique for TEM samples prepared by FIB method to understand their nucleation and growth. ...
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Radial variation in partial compression properties perpendicular to the grain of Japanese larch (Larix kaempferi)
... After measuring the dynamic Young’s modulus, the logs were cut at approximately 120 and 370 cm from the butt end (Fig. 1). They were then lumbered into 250-cm long and 6-cm wide boards that included the pith; these ...
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Fibril angle variability in earlywood of Norway spruce using soft rot cavities and polarization confocal microscopy
... scanning microscopy (CLSM) and soft cavities for the same area of the tracheid of earlywood tracheids from two annual rings. Earlywood tracheids from compression wood genera[r] ...
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Evaluation of end-check propagation based on mode I fracture toughness of sugi (Cryptomeria japonica)
... of annual rings and at examining the mode I fracture toughness of sugi in TR, TL, and intermediate systems, which corre- spond to the direction of end-check ...
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Radial growth trends of fir (Abies alba Mill.), beech ( Fagus sylvatica L.) and pine ( Pinus sylvestris L.) in the Świętokrzyski National Park (Poland)
... ANALYSIS OF THE RADIAL GROWTH TREND OF TREES OF THE YOUNGER AND OLDER GENERATIONS OF INVESTIGATED SPECIES Fir The width of annual rings of fir trees of the younger generation was fitted [r] ...
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Visualization of Xylary Rings of Stems of Artemisia tridentata spp Wyomingensis
... individual rings has been ...xylary rings in several stem segments in order to visualize rings among ...xylary rings were individually isolated and visualized from all other materials in the ...
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Fire History in Coast Redwood Stands in the Northeastern Santa Cruz Mountains, California
... It is probable that the number of fires recorded in the annual growth rings of coast redwood trees is a subset of those fires that burned in adjacent grasslands and oak savannahs. The Ohlone Indians burned ...
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On a common generalization of symmetric rings and quasi duo rings
... symmetric rings have been done by many authors over the last several ...GWS rings contains the class of weak symmetric ...symmetric rings are GWS ...
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On structure of certain periodic rings and near rings
... 2. A decomposition theorem for rings. In this section, we establish a decompo- sition theorem which in turn allows us to study the commutativity of such rings. Throughout this section, R represents an ...
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Hereditary rings and rings of finite representation type
... extension rings o f Artin ...serial rings and rings of finite representation ...some rings related to the ring R satisfying the hypothesis of Theorem ...
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On Classical Quotient Rings of Skew Armendariz Rings
... Recall that an endomorphism α of a ring R is called rigid (see [5] and [12]) if aα(a) = 0 implies a = 0 for a ∈ R. R is called an α-rigid ring [12] if there exists a rigid endomor- phism α of R. Note that any rigid ...
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Some External Characterizations of SV Rings and Hereditary Rings
... of rings (e.g., Baer rings and Rickart rings) are defined by considering annihilators ...of rings which is close to the class of Rickart ...endomorphism rings having this ...of ...
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