نتایج جستجو برای: artificial stands

تعداد نتایج: 308478  

Journal: :Advances in transdisciplinary engineering 2022

The term music comes from the Greek translation “mousike” that stands for “the art of muses”. In layman terms, it is a sequential string sounds people like purpose entertainment, rejuvenation etc. intriguing part this research lies in ability machine to manipulate music. aim use given composition (MIDI File) generate further via extrapolation Long short-term memory (LSTM) which neural network u...

2005
R. FLINT HUGHES JULIE S. DENSLOW

Invasive species pose major threats to the integrity and functioning of ecosystems. When such species alter ecosystem processes, they have the potential to change the environmental context in which other species survive and reproduce and may also facilitate the invasion of additional species. We describe impacts of an invasive N2-fixing tree, Falcataria moluccana, on some of the last intact rem...

Journal: :روش های عددی در مهندسی (استقلال) 0
محمود سلیمی و حمیدرضا ملک m. salimi and h. r. malek

this paper is concerned with investigations into the effect of tension between the stands of the finishing mill on width control in a hot rolling process. an analysis is given to predict satisfactorily the variation in width due to spreading and also due to strip tension between the stands. wusatowskis model which is developed to give an account of spreading is specified and a similar model to ...

Journal: :Folia Forestalia Polonica 2021

Abstract This research is aimed at determining the health condition and productivity of Scots pine ( Pinus sylvestris L.) stands created during 1906–1908 on initiative Prof. V. D. Ogievsky. The scheme silvicultural experiments included: influence different widths directions clear felling natural regeneration, testing plantations pure mixed composition choice methods for their creation. In terms...

Journal: :Energies 2021

In this article, the method of hard rock mining by undercutting or back incision using asymmetrical disk tools as an alternative to milling with use cutting was described. The results modelling penetration a single asymmetric tool edge into artificial and natural sample were presented compared empirical laboratory tests. effect stand tests for samples mounted on rotating plate presented. carrie...

   Biomass measurement is important in terms of ecological and economical evaluation of the structure and conditions of habitat and can provide an estimate for carbon sequestration in different organs of tree. In order to assess the amount of biomass in harvested and unmanaged Beech stands, two compartments (511 and 514) of Safaroodchr('39')s forest  were selected. A plot of 6.25 hectare from e...

A. Eslami

Modification of stands’ structure and managing them using silvicultural methods close to nature and single selection system require information on status of structure, determining the target diameter, basal area and suitable volume to result in long-term equilibrium and sustainability. So, this study was conducted using the selection sample statistical method by selecting  five 1-ha sample plot...

S.A. Bonyad, T. Rostami Shahraji

Forests of Iran located on the Southern border of the Caspian Sea cover 1.9 million hectares. The Caspian forests are divided into four separate forestry areas. One of these being Guilan influx area with total area of 565000 hectares. About 30 to 40 percent of Guilan province forests are suitable to short rotation forestry for afforestation. Slash pine (Pinus elliottii) is one of the main exo...

2014
Sunil Dhiman Pronobesh Chattopadhyay

Malaria elimination campaign during the end of the last century relied on insecticides and malaria treatment, but this effort did not succeed in many endemic countries and collapsed after a few decades. India is among the 35 countries, which contribute 96% of total malaria cases and 98% of total malaria deaths in the world (1). Recent studies suggest that the neighboring countries of India are ...

2005
N. Brüggemann P. Rosenkranz H. Papen K. Pilegaard K. Butterbach-Bahl

Pure stands of temperate forest tree species modify soil respiration and N turnover N. Brüggemann, P. Rosenkranz, H. Papen, K. Pilegaard, and K. Butterbach-Bahl Forschungszentrum Karlsruhe, Institute for Meteorology and Climate Research, Atmospheric Environmental Research (IMK-IFU), Garmisch-Partenkirchen, Germany Risø National Laboratory, Plant Biology and Biogeochemistry Department, Roskilde,...

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