نتایج جستجو برای: surface quality
تعداد نتایج: 1359689 فیلتر نتایج به سال:
batiaghata upazila, khulna district in south-west coastal region of bangladesh is the mostly saline affected area, where agriculture activities are mainly dependent on rainfall. 23 water samples from surface water and shallow tube well (stw) were collected in the monsoon season and analyzed for physico-chemical properties to classify them according to salinity hazard. electrical conductivity (e...
Backgrounds and Objectives: The Atrak River is an important water supply resource in the Razavi Khorasan, Northern Khorasan and Golestan provinces. This river is the line border of Iran and Turkistan countries. Unfortunately, lack of water quality and quantity data due to nonexistence of a proper surface water quality monitoring station network is one of the main problems for water quality eval...
Background & Aim: Urban runoff is one of the most valuable and renewable water resources in many arid and semi-arid parts of the world. Understanding how to use these resources is very important. The purpose of this study was to determine the physical, chemical and biological properties of surface runoff in Zahedan for irrigation uses. Methods: The present work was a descriptive cross-sectiona...
The development of a surface water evaluation index is a critical factor in the assessment, restoration and protection of stream water quality. Quantifying water pollution in specific grade using dominant parameters is important, as this can explain the current state of water pollution with accuracy. As a result, an integrated multi-parameter water quality index has been developed. It is based ...
&RPSXWLQJ VXUIDFH LQWHUVHFWLRQV LV D IXQGDPHQWDO SUREOHP LQ JHRPHWULF PRGHOLQJ $Q\ ERROHDQ RSHUDWLRQ FDQ EH VHHQ DV DQ LQWHUVHFWLRQ FDOFXODWLRQ IROORZHG E\ D VHOHFWLRQ RI SDUWV QHFHVVDU\ IRU EXLOGLQJ WKH VXUIDFH RI WKH UHVXOWLQJ REMHFW 7KLV SDSHU GHDOV ZLWK WKH FRPSXWLQJ RI LQWHUVHFWLRQ FXUYHV RQ VXEGLYLVLRQ VXUIDFHV VXUIDFHV JHQHUDWHG E\ WKH /RRS VFKHPH :H SUHVHQW WKUHH YDULDQWV RI RXU DOJRULW...
ISO 9126 promotes a three-level model of quality (factors, criteria, and metrics) which allows one to assess quality at the top level of factors and criteria. However, it is difficult to use this model as a tool to increase software quality. In the Squale model, we add practices as an intermediate level between metrics and criteria. Practices abstract away from raw information (metrics, tool re...
The Squale project was born from industrial effort to control software quality. Its goals are to refine and enhance Qualixo Model, a software-metric based quality model already used by large companies in France (Air France-KLM, PSA Peugeot-Citroën) and to support the estimation of return on investment produced by software quality. Qualixo Model is a software quality model based on the aggregati...
We analyze the physical-chemical surface properties of single-slit, single-groove subwavelength-structured silver films with high-resolution transmission electron microscopy and calculate exact solutions to Maxwell's equations corresponding to recent far-field interferometry experiments using these structures. Contrary to a recent suggestion the surface analysis shows that the silver films are ...
Drought is a phenomenon that threating water quality in addition to its shortage. In this paper we investigate the effect of drought on surface water quality of Kashkan watershed. For this purpose, during the collection of meteorological data and water quality data during 20 years (1987 to 2009) from Meteorology and Water Resources offices of Lorestan province, initially duration and severity o...
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید