Zobrazeno 1 - 10
of 150
pro vyhledávání: '"R Yarahmadi"'
Publikováno v:
مجله جنگل ایران, Vol 9, Iss 3, Pp 301-313 (2017)
Nowadays, one of the most popular tools to cut and process the trees in northern forests of Iran is chainsaw. One of its most important defects is constant vibration during operation. The aim of this study was to investigate the hand-arm vibration in
Externí odkaz:
https://doaj.org/article/5e44e30b848a46fe9ad1f73e3ac65b67
Publikováno v:
Salāmat-i kār-i Īrān, Vol 13, Iss 6, Pp 34-45 (2017)
Background and aims: Survay of the particulates, biological molecules and other harmful materials which enter into Earthchr('39')s atmosphere as airborn agents is one of research intrest of health sciences. Animal housing laboratories for producing m
Externí odkaz:
https://doaj.org/article/12ea3e1be56e48ddacc20cbffdc2791e
Publikováno v:
Salāmat-i kār-i Īrān, Vol 13, Iss 4, Pp 12-22 (2016)
Background and aims: The welderschr('39') health threat due to exposure to welding fume is an important issue, so effective exhaust of fumes are needful for to be assured from the workers safety in exposured to such proccess. In this study, was evalu
Externí odkaz:
https://doaj.org/article/814588bb687e405ab64abfc25f181d5a
Publikováno v:
Salāmat-i kār-i Īrān, Vol 13, Iss 3, Pp 1-11 (2016)
Abstract Background and aims:Nowadays, the non-thermal plasma is considered as a successful new technology with high efficiency in the air pollution control and is in the focal attention of the researchers. Various types of atmospheric pollutants ad
Externí odkaz:
https://doaj.org/article/0f155c172d7242fd9dd47472db5e52b5
Publikováno v:
Salāmat-i kār-i Īrān, Vol 12, Iss 6, Pp 39-47 (2016)
Background and aims: Critical infrastructures are the most important sectors in nation security, public safety, socioeconomic security and environment in the world. Such incidents make people, environment and industries harmed. The occurrence of acci
Externí odkaz:
https://doaj.org/article/248a106374fb4ae7b129535ab50adc19
Publikováno v:
Salāmat-i kār-i Īrān, Vol 12, Iss 5, Pp 75-82 (2015)
Background and aims: From the 70s onwards, safety engineering made significant progress in developing techniques and regulations relating to the fire. The first, this methods was considered after happening accidents to prevent similar accidents. But
Externí odkaz:
https://doaj.org/article/bf9845d6139c4ca9a199c31a9f2e92f6
Autor:
Gh Moradi, A Sedighzadeh, R Yarahmadi, Sh Bakand, AA Farshad, B Rezaeifard, M Alamdar khasraghi
Publikováno v:
Salāmat-i kār-i Īrān, Vol 11, Iss 4, Pp 1-11 (2014)
Background and aims: Nano-fibrous mats are one of the unique nonwoven materials that have been recently carried out in nanofiltration industry. The aim of this study was to synthesize nano-fibrous path mats using electrospining method following by de
Externí odkaz:
https://doaj.org/article/8ed61b4b60d3421795675028ec23f19a
Autor:
Gh.R Moradi, A Sadighzadeh, R Yarahmadi, Sh Bakand, A.A Farshad, B Rzaiipour, S Musavi, M Solhi
Publikováno v:
Salāmat-i kār-i Īrān, Vol 10, Iss 2, Pp 1-10 (2013)
Background and aims : With the increasing application of nanotechnology concerns about the negative effects of human exposure and environmental releases of these particles is also doubled. Among the most well-known media, ULPA filters are used to con
Externí odkaz:
https://doaj.org/article/cedf991ca7c547fe86caa64be7104547
Autor:
R yarahmadi, G.R Moradi, asghar sadighzadeh, B Rezaeifard, ali asghar farshad, shahnaz bakand, bahram salimi
Publikováno v:
Salāmat-i kār-i Īrān, Vol 10, Iss 5, Pp 10-19 (2013)
Background and Aims : Many systems and processes can cause the introduction of radioactivity into the environment. Human activities in nuclear industry such as nuclear fuel cycle and reactor operation, lead to a significant production and release of
Externí odkaz:
https://doaj.org/article/03a8e11d4b6c4372938c0e59d4cbfbbe
Publikováno v:
Salāmat-i kār-i Īrān, Vol 10, Iss 5, Pp 33-43 (2013)
Background and aims: Extensive industrial and production activities are one of the major sources of dust. In many cases, cyclones are used as the control measure. The removal efficiency of dust in cyclones depends on different factors. Some of these
Externí odkaz:
https://doaj.org/article/2c14ee1dcda5414c9518d2b421cc2d64