نتایج جستجو برای: tree

تعداد نتایج: 170609  

Journal: :The Forestry Chronicle 1989

Journal: :Nature 1957

Journal: :Genetics 2005

Journal: :Offset 1969

Journal: :Journal of Chemical Education 1968

Journal: :Proceedings of the VLDB Endowment 2016

Journal: :Journal of Engineering and Science Research 2018

The effect of automobile pollution was determined on chlorophyll content of four different tree species viz. Azadirachta indica L., Conocarpus erectus L., Guiacum officinale L.and Eucalyptus sp. growing along the roads of the city.  Significant changes in the level of chlorophyll “a”, chlorophyll “b” and total chlorophyll “a+b” were found in the leaves of fou...

ژورنال: علوم آب و خاک 2013
زینب اکبری, , علی طالبی, ,

The real estimation of the volume of sediments carried by rivers in water projects is very important. In fact, achieving the most important ways to calculate sediment discharge has been considered as the objective of the most research projects. Among these methods, the machine learning methods such as decision trees model (that are based on the principles of learning) can be presented. Decision...

Bahador, Hamid, Kazemi, Abolfazl,

Background: Today, in most hospitals in Iran, there is an extensive database of patient characteristics that includes a large amount of information related to medical, family and medical records. Finding a knowledge model of this information can help to predict the performance of the medical system and improve educational processes. Methods: Data mining techniques are analytical tools that are...

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