نتایج جستجو برای: natural processes

تعداد نتایج: 977577  

2014
Trevor Cohn Daniel Preotiuc-Pietro Neil D. Lawrence

Gaussian Processes (GPs) are a powerful modelling framework incorporating kernels and Bayesian inference, and are recognised as stateof-the-art for many machine learning tasks. Despite this, GPs have seen few applications in natural language processing (notwithstanding several recent papers by the authors). We argue that the GP framework offers many benefits over commonly used machine learning ...

Journal: :مطالعات باستان شناسی 0
هادی صبوری دانش آموختۀ کارشناسی ارشد باستان شناسی دانشگاه تهران حسن طلایی استاد گروه باستان شناسی دانشگاه تهران عمران گاراژیان استادیار گروه باستان شناسی دانشگاه نیشابور

the analysis of natural and cultural factors in the contexts of an archeological site would reveal the processes constituting the event of settlement after the formation of cultural layers. in other words with the study of cultural processes, we seek the information and patterns which cause formation, shaping, and unevenness of the site to its present shape. in this regard, the initial studies ...

Journal: :global journal of environmental science and management 2016
a.r. karbassi s. tajziehchi n. farhang adib

estuaries are well known for their potential in removing metal from fresh water to provide micro-nutrients to aquatic life. in the present investigation, we have tried to bring out the metal removal potential of estuaries during accidental spills. for this purpose artificial river water containing high concentration of mn, cu, zn, ni and pb were mixed with sea water at different salinity regime...

Journal: :journal of mining and environment 2012
prof r.n. singh o aduvire v.f navarro torres

in the past, mining activities have generated major acid drainage sources, which usually carry dissolved metals that flow into the main rivers of the affected basins. the study looks at natural attenuation processes in local, sub-basin and basin areas, in the el bierzo and odiel basins of spain, where coal and metal mining activities were formerly conducted. in this study, sampling and in situ ...

Abbas Ahmadi, Babak Nahri-Niknafs Seyed-Ali Sobhanian

Chlorpyrifos is an organophosphate insecticide, used to control foliage and soil-borne insect pests on a variety of food and feed crops. In the natural environment, Chlorpyrifos can be degraded  through  several  possible  processes,  including  photodegradation, biodegradation,  and hydrolysis.  In  the  present  work  the  photodegradation  and  environmental  fate  of  Chlorpyrifos  in aqueo...

Estuaries are well known for their potential in removing metal from fresh water to provide micro-nutrients to aquatic life. In the present investigation, we have tried to bring out the metal removal potential of estuaries during accidental spills. For this purpose artificial river water containing high concentration of Mn, Cu, Zn, Ni and Pb were mixed with sea water at different salinity regime...

Mohamadreza Massoudinejad, Mohammad Hadi Dehghani Mohsen Mehdipour-Rabori

In any type of rubber product manufacturing (including tires), the primary concerns are environmental. The aim of the present study was to survey a treatment combination of ozonation and physicochemical processes in the rubber industry. Wastewater samples were collected from the discharge unit of the rubber processing sewage system in Kerman Barez Tire Factory, Kerman, Iran. The wastewater samp...

Journal: :Zywnosc Nauka Technologia Jakosc/Food Science Technology Quality 2016

Journal: :Series: Engineering science and architecture 2020

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