نتایج جستجو برای: including geostatistical methods ok
تعداد نتایج: 2609874 فیلتر نتایج به سال:
Adoptive immunotherapy using OK-432-activated mononuclear cells (OK-MCs) offers cell-mediated and cytokine-mediated pathways for antitumor activity. The effectiveness of direct intratumoral administration of OK-MCs via a catheter/reservoir system was studied in patients with malignant brain tumors. Seventeen patients, 12 with malignant glioma, four with metastatic adenocarcinoma, and one with p...
Approximate world models are coarse descriptions of the elements of a scene, and are intended to be used in the selection and control of vision routines in a vision system. In this paper we present a control architecture in which the approximate models represent the complex relationships among the objects in the world, allowing the vision routines to be situation or context speciic. Moreover, b...
1. introduction inflation of population and rising living standards in many countries need to be enhanced the high quality water suitable for different uses such as agricultural, industrial and drinking sections. groundwater is one of the most important water supply sources which are encountered with many problems such as drawdown, recharge reduction due to low rainfall and different natural an...
BACKGROUND The theoretical concept of existential/life positions describes person's basic beliefs about oneself and others. Most of authors on TA postulated that every person has one of four possible basic life positions: I'm OK, you're OK; I'm not OK, you're OK; I'm OK, you're not OK and I'm not OK, you're not OK. The aim of this study was the authentication of Existential positions as theoret...
Inverse problems in geophysics require the introduction of complex a priori information and are solved using computationally expensive Monte Carlo techniques where large portions of the model space are explored . The geostatistical method allows for fast integration of complex a priori information in the form of covariance functions and training images. We combine geostatistical methods and inv...
Salinity and alkalinity decreases physical, chemical and biological quality of soils and as a result reduces crop yield. This study aims to evaluate spatial variability of soil salinity in Ahvaz using geostatistical approaches. Accordingly, 69 surface soil samples (0-10 cm) were collected and their electrical conductivities (EC) were measured in 1:1 soil: water extracts. The data were then anal...
Understanding distribution of soil properties at the field scale is important for improving agricultural management practices and for assessing the effects of agriculture on environmental quality. Spatial variability within soil occurs naturally due to pedogenic factors as well as land use and management strategies. The variability of soil properties within fields is often described by classica...
To have information about the soybean productivity over crop years is essential to define strategies increase profits and reduce costs most important environmental impacts. One form of monitoring use Geostatistical methods, which allow us obtain maps with more accurate predictions. In this paper, an area 127.16 ha was studied during six between 2012/2013 2017/2018. We found that values vary yea...
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