نتایج جستجو برای: the climatic parameters
تعداد نتایج: 16105550 فیلتر نتایج به سال:
Data mining applications in agriculture is a relatively new approach for forecasting / predicting of agricultural crop/animal management. In the present study an attempt has been made to study the influence of climatic parameters on soybean productivity using decision tree induction technique. The findings of Decision tree were framed into different rules for better understanding by the end use...
abstract sensitive and precise voltammetric methods for the determination of trace amounts of furaldehydes, mainly as furfural (f) and 5-hydroxymethyl-2-furaldehyde (hmf), in waste waters and other matrices is described. determination of total furaldehyde at < ?g g-1 levels in alkaline buffered aqueous media was individually investigated. by the use of ordinary swv and adsorptive square wave ...
1 ALLNUTT, J.E., and HAIDARA, F.: 'Ku-band diurnal rain fade statistics from three, two-year, earth-space experiments in equatorial Africa'. Proc. URSI Commission F Open Symp. Climatic Parameters in Radiowave Propagation Prediction, Ottawa, Canada, 27-29 April 1998, pp. 159-162 2 ALLNUTT, J.E., and HAIDARA, F.: 'Ku-band fade duration data from three, two-year, earth-space experiments in equator...
TOPIC 1 : CLIMATE AND ENVIRONMENT ................................ 1 TRENDS AND VARIATION IN MONTHLY RAINFALL AND TEMPERATURE IN SURINAME ....................................................................2 EVALUATION OF THE EFFECTS OF ENSO TELECONNECTION ON CLIMATIC PARAMETERS FLUCTUATIONS IN KHORASAN PROVINCE I.R. OF IRAN..........................................................................
The mean climatic development for Germany was investigated within the period 2031/60 in comparison to the situation in the observational period 1981/2010. The RCP8.5-Scenario of the IPCC was used because it reflects the actual CO2-emissions very well. On this basis the temperature trend for Germany was estimated using 21 GCM runs up to the year 2100. This temperature trend was the driving force...
[1] We present a new technique to study the seasonal cycle of climatic trends in the expected value, variance, and other moments of the statistical distribution. The basis of the technique is multiple linear regression, but with periodic basis functions. The technique allows us to provide comprehensive information on statistical parameters of climate for every day of an observational period. Us...
background: this study investigated the effects of some important meteorological parameters and filler type compounds on phytotoxicity of captan in peach trees in the north of iran. captan is a phthalimide fungicide which has frequently been used in northern regions of iran to control certain plant diseases. this fungicide has caused intense phytotoxicity in peach trees which was first observed...
The study examines the changes in climatic elements and agronomic parameter (maize hectarage and output) for maize production in different ecological zones of Nigeria from 1980 2002. The study also evaluated the degree of variability in these parameters. To achieve these objectives, secondary data on climatic elements and agronomic parameters for 22years were analysed using two – way Analysis o...
This paper reports the use of a mathematical model to predict the productivity of a simple solar still under different climatic, design and operational parameters in Oman. The shallow water basin, 23 cover tilt angle, 0.1 m insulation thickness and asphalt coating of the solar still were found to be the optimum design parameters that produced an average annual solar still yield of 4.15 kg/m day...
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