نتایج جستجو برای: chemical quality

تعداد نتایج: 1108446  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز - دانشکده کشاورزی 1394

with the increasing population and the need for more food, as well as with the development of science and technology, human approach to unnatural and often chemical inputs to increase agricultural production has been a great expansion and problems such as increased cancers, chronic diseases has created environmental pollution. implementation of organic organic is a solution to these problems . ...

Journal: :iranian journal of public health 0
k. imandel v. iranshahi

for better understanding of tehran ground water, samples were taken randomly from 340 out of 655 deep & semi deep wells in 1993, which dug by tehran water supply and sewage engineering company. 260 water specimens were examined chemically and physically and compared with the 1993 world health organization (who) and food and agriculture organization (fao) criteria and analyzed statistically. log...

Journal: :journal of research in health sciences 0
safar marofi ahmad joneidi jafari

background: in this study, the chemical quality of water in some sub-basins of gamasiab river has been investigated for a long term planning of water consuming in the region . methods: the area is about 11 x10 3 km 2 , located in ramadan and kermanshah, the two western regions of iran. in this regard the results of the water samples, which were collected on the outlet of the 13 hydrometrical st...

Journal: :بهداشت و توسعه 0
حسین جعفری منصوریان احمد رجبی زاده محمد جعفری مدرک شیدوش دولتشاهی بهنام حاتمی

background: contamination of swimming pools’ water can lead to the transfer of different diseases to humans. the aim of this study was to investigate the quality of water in kerman swimming pools. methods: in this cross-sectional study, sampling from swimming pools was performed before and after swimming, every week. total number of samples collected was 150 samples. samples were investigated i...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده علوم 1392

gol-e-gohar iron ore mine of sirjan in southern part of iran is a large open pit that operates below the groundwater table and during mining operation, dewatering is required to prevent operation processes from flooding. current operation is going on by digging wells in or out of the pit and pumping to prevent flooding. as a result of the former dewatering operation a vast deep cone of depressi...

Journal: :trauma monthly 0
khaled biat saeed behavioral sciences research center, baqiyatallah university of medical sciences, tehran, ir iran akram parandeh department of community health, baqiyatallah university of medical sciences, tehran, ir iran; department of community health, baqiyatallah university of medical sciences, tehran, ir iran. tel.: +98-212289941(228), fax: +98-2126127237 fatemeh alhani department of nursing education, tarbiat modarres university, tehran, ir iran mohammad mehdi salaree department of community health, baqiyatallah university of medical sciences, tehran, ir iran

background: exposure to chemical warfare gases significantly changes the quality of life (qol) of victims and has significant chronic adverse effects. objective: this study sought to assess the health-related qol (hrqol) of chemical victims by means of a tool specifically designed for this purpose. the correlation of their qol with several demographic factors was evaluated as well. patients and...

Journal: :journal of agricultural science and technology 2013
o. caliskan s. bayazit

selecting within local pomegranate accessions is the main method used to identify new cultivars. total of 76 pomegranate accessions from hatay, turkey, were collected and their morpho-pomological and chemical characteristics were determined. the results showed that there was significant diversity among the accessions in terms of fruit quality parameters. several accessions were notable for thei...

Journal: :مجله انسان، محیط زیست و ارتقاء سلامت 0
tooran yarahmadi zanjan, parvin eatesami bolv., school of health and paramedical hassan hassanzadaza zanjan, parvin eatesami bolv., school of health and paramedical sajad chamandoost zanjan, parvin eatesami bolv., school of health and paramedical majid aminzarer zanjan, parvin eatesami bolv., school of health and paramedical

background; foods have been many changes from production to tables and continuous control is necessary to maintain food safety and supply foods with good quality. the aim of this study was to evaluate the quality of some foods with high consumption in zanjan city during the 5 years from 2009 to 2013. methods; in a case-control descriptive study with an annually control program during 5 years fr...

Journal: :journal of agricultural science and technology 2015
a. heidari p. asadi

in this study, micromorphological properties of some samples collected from pedons polluted with petroleum refinery wastes and some adjacent unpolluted pedons were studied. after description of the studied pedons, disturbed and undisturbed samples were collected for physicochemical and micromorphological analyses. the results showed that the physicochemical properties (i.e. structure, bulk dens...

Journal: :international journal of environmental research 0

present communication deals with the study of four village fish culture ponds (two wild and two managed ponds) from district hisar of haryana, india was undertaken, to correlate the water quality and biological cycles in ponds with fish production. studies have revealed that the ponds are in good trophic status. chlorides, total hardness, calcium, magnesium, biochemical oxygen demand (bod), pho...

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