نتایج جستجو برای: tree form
تعداد نتایج: 850035 فیلتر نتایج به سال:
Given the importance of availability sufficient and accurate information on the structural characteristics of mangroves to develop conservation and restoration programs for these ecosystems, this study investigates and maps the structural characteristics of the coastal and island forms of the mangroves in the Hara Biosphere Reserve. To this end, through a field inventory (32 sample plots with t...
This study was conducted in oak forests of Ilam province in order to evaluate the morphological characteristics of old trees including diameter at breast height, trunk height, whole tree height, minimum and maximum crown diameter, crown health, crown vitality, crown symmetry, health and form of the trunk, Was investigated. Selection of old trees was performed based on the criteria of DBH and wi...
Introduction: Autism is a nervous system disorder, and since there is no direct diagnosis for it, data mining can help diagnose the disease. Ontology as a backbone of the semantic web, a knowledge database with shareability and reusability, can be a confirmation of the correctness of disease diagnosis systems. This study aimed to provide a system for diagnosing autistic children with a combinat...
Introduction: Hand is considered as one of the most important ways of transmitting the causative agent of infection and much emphasis has been placed on hand hygiene. In this regard, the aim of this study was to determine the effect of tea tree oil and lavender on bacterial samples in nurses. Materials and Methods: This quasi-experimental study was performed on all nurses working in ICU wards....
In traditional Persian Art, everything is esoteric. It means that any semblance used to refer to an abstaract meaning in a higher realm. Recognition the ideology affecting the arts is necessary to understand the language of Persian Art. The aim of this study is to investigate the structure and language of expression trees, due to the long history of symbolic role of trees in art. In this regard...
This paper studies the eeects on decision tree learning of constructing four types of attribute (conjunc-tive, disjunctive, M-of-N, and X-of-N representations). To reduce eeects of other factors such as tree learning methods, new attribute search strategies, evaluation functions, and stopping criteria, a single tree learning algorithm is developed. With diierent option settings, it can construc...
The Disjunctive Fuzzy Temporal Constraint Networks model allows to express complex temporal constraints, but its general complexity is exponential. There is a subset of these networks, having a tree structure, which can be solved in polinomial time. Thus, it can be interesting to decide if a Disjunctive Fuzzy Temporal Constraint Network can be reduced to an equivalent network with tree structur...
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