نتایج جستجو برای: trunk diameter
تعداد نتایج: 137935 فیلتر نتایج به سال:
Among the fundamental problems in canopy turbulence, particularly near the forest floor, remain the local diabatic effects and linkages between turbulent length scales and the canopy morphology. To progress on these problems, mean and higher order turbulence statistics are collected in a uniform pine forest across a wide range of atmospheric stability conditions using five 3-D anemometers in th...
Prognosis of hepatocellular carcinoma (HCC) patients with tumor thrombi (TT) in the trunk of the portal vein (PV) has been extremely poor. There have been few reports of long-term survivors with such an advanced condition. In this article, the case of a 62-year-old woman of HCC, who survived for 6 years and 9 months after an operation, with TT in the trunk of the PV is described. The patient no...
CASE REPORT A 9-year-old boy presented with multiple telangiectatic macular lesions since birth. Two telangiectatic macules, about 1 cm in diameter, were initially observed on the temples at birth, and then more and more similar lesions developed on the face, neck, trunk and extremities (Fig. 1). Physical examination revealed asymptomatic, scattered, oval, pinkish to erythematous telangiectatic...
Diameter and Stability When a tree is impacted by a wind force, its cells in the trunk on the windward (wind-exposed) side are stretched, while those on the leeward (wind-sheltered) side are compressed (Figure 1). Furthermore, the tree crown’s own weight has to be added as well, which results in an even higher compression load on the leeward cells and a correspondingly lower tension on the oppo...
A 20 year-old man presented to our clinic with multiple warts on both hands and tumoral lesions on his face but otherwise healthy. On dermatological examination, numerous brown-black papular lesions, changing from 2 to 5 cm in diameter were found on his face along with multiple, flesh-coloured, flat-topped papules on the dorsa of his hands. A tumoral lesion, approximately 3 cm in diameter on th...
Ashy dermatosis or erythema dyschromicum perstans (EDP) is a typically asymptomatic disease of unknown origin that causes symmetrical gray spots on the trunk and extremities (1). It was first described by Ramirez in 1957 (2). Patients show oval, irregular, or polycyclic gray macules with erythematous, inflammatory borders (3). There is no single established therapy for EDP. The aim of our study...
Although surgical procedures are often performed over the posterior head and neck, surgical landmarks for avoiding the cutaneous nerves in this region are surprisingly lacking in the literature. Twelve adult cadaveric specimens underwent dissection of the cutaneous nerves overlying the posterior head and neck, and mensuration was made between these structures and easily identifiable surrounding...
*Corresponding author: [email protected], 8 Tel +33-4 6714 4918 9 Fax +33-4 6714 4792 10 11 2008, Annals of Forest Sciences, 65, 307 12 13 Abstract Six inclined poplar I-69 (Populus deltoids cv. I-69/55) trees were collected for studying the influence 14 of growth stress level on wood properties. Growth stress indicator (GSI) was measured at 8 positions around the 15 periphery of each trunk at...
BACKGROUND Anetoderma is a benign condition with focal loss of dermal elastic tissue resulting in localized areas of flaccid or herniated saclike skin. Currently, anetoderma is classified as either primary (idiopathic), or secondary anetoderma (which is associated with a variety of skin conditions, penicillamine use, or neonatal prematurity). Lesions appear on the upper arms, trunk, and thighs....
The determination of the Diameter at Breast Height (DBH) is an important variable that contributes to several studies on forest, e.g., environmental monitoring, tree growth, volume of wood, and biomass estimation. This paper presents a preliminary technique for the measurement of tree trunks using terrestrial images collected with a panoramic camera in nadir view. A multi-scale model is generat...
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