نتایج جستجو برای: mechnical vector
تعداد نتایج: 197322 فیلتر نتایج به سال:
various statistical methods have been proposed in terms of predicting the outcomes of facing special factors. in the classical approaches, making the probability distribution or known probability density functions is ordinarily necessary to predict the desired outcome. however, most of the times enough information about the probability distribution of studied variables is not available to the ...
background : the most part of iran become malaria-free region and fall in prevention of re-introduction stage. these regions however are struggling with imported of malaria cases where malaria vectors exist. therefore, understanding the situation of mosquito vectors is crucial. this study was carried out to find out the present situation of malaria vectors and malaria transmission potential in ...
background: we aimed to evaluate different fibres of bednets impregnated with various pyrethroids. the stability of insecticide on the bednet was measured using different methods of washings as well as local made detergents. methods: the entire test was carried out according to the who-recommended methods. in addition, the impact of the numbers of washes on the stability of the insecticides was...
ecology of anopheles dthali was studied in bandar abbas county, where there is indigenous malaria. anopheles dthali plays as a secondary malaria vector in the region. it is active throughout the year in mountainous area with two peaks of activity, whereas in coastal area it has one peak. there is no report of hibernation or aestivation for this species in the re gion. precipitin tests on specim...
zoonotic cutaneous leishmaniasis (zcl) is an increasing and important public health problem in iran. the use of repellents is recommended as one of the important means of personal protection against vectors of zcl. this paper reports the repellency effect of the plant myrtle, myrtus communis (myrtaceae), essential oil for protection against 3-7-day-old unfed females of the sandfly, phlebotomus ...
in this paper, the concept of {sl local base with stratifiedstructure} in $i$-topological vector spaces is introduced. weprove that every $i$-topological vector space has a balanced localbase with stratified structure. furthermore, a newcharacterization of $i$-topological vector spaces by means of thelocal base with stratified structure is given.
In this research, we used the support vector machine (SVM), support vector machine combine with wavelet transform (W-SVM), ARMAX and ARIMA models to predict the monthly values of precipitation. The study considers monthly time series data for precipitation stations located in Hamedan province during a 25-year period (1998-2016). The 25-year simulation period was divided into 17 years for t...
Background and Aims: The aim of this study was to evaluate the fracture strength of restored teeth with three different types of E glass-fiber posts after thermo-mechanical loading. Materials and Methods: Sixty extracted upper central incisor human teeth, with similar size, were selected and divided into three groups (n=20). Endodontic treatment was done in all groups and crowns were sectio...
this paper aims to assess the application of support vector machine (svm) regression in order to analysis flexible pavements. to this end, 10000 four-layer flexible pavement sections consisted of asphalt concrete layer, granular base layer, granular subbase layer, and subgrade soil were analyzed under the effect of standard axle loading using multi-layered elastic theory and pavement critical r...
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