Zobrazeno 1 - 10
of 219
pro vyhledávání: '"M. Atapour"'
Publikováno v:
Iranian Journal of Materials Science and Engineering, Vol 16, Iss 2, Pp 79-88 (2019)
In this study, the effects of the second pulse resistance spot welding on the microstructure and mechanical properties of TRIP1100 steel were evaluated. The thermal process after welding was designed to improve metallurgical properties with pulse cur
Externí odkaz:
https://doaj.org/article/2e649949febf43c087ff8261d9240ed0
Autor:
M. Atapour
Publikováno v:
Communications in Combinatorics and Optimization, Vol 4, Iss 1, Pp 25-33 (2019)
An eternal $m$-secure set of a graph $G = (V,E)$ is a set $S_0\subseteq V$ that can defend against any sequence of single-vertex attacks by means of multiple-guard shifts along the edges of $G$. A suitable placement of the guards is called an ete
Externí odkaz:
https://doaj.org/article/3a3fc9673bc84537ba7ba8610db3edbb
Autor:
M. Atapour, Sh. Osouli
Publikováno v:
نامه انجمن حشرهشناسی ایران, Vol 37, Iss 2, Pp 223-234 (2017)
Citrus leafminer, Phyllocnistis citrella Stainton, recently has become a serious pest in Iran, especially in citrus nurseries. This study was aimed to assess the effect of temperature on the biological parameters of the P. citrella at three constant
Externí odkaz:
https://doaj.org/article/3d1961de9931428fb08131597c59726f
Publikováno v:
Journal of Advanced Materials in Engineering, Vol 35, Iss 4, Pp 39-50 (2017)
In this study, a Cr-modified NiAl coating was fabricated by weld cladding technique using Gas- Tungsten Arc Welding (GTAW) process on 310 steel. Chemical composition and microstructure of the coating was studied by X-Ray Diffraction (XRD), optical mi
Externí odkaz:
https://doaj.org/article/2296a0106b8b44f2ab9aba20d6eb2fa8
Publikováno v:
Journal of Advanced Materials in Engineering, Vol 34, Iss 4, Pp 61-72 (2016)
In this investigation, the effect of grain size on the corrosion behavior of 304L stainless steel has been studied. Samples with grain sizes of 0.5, 3 and 12 micrometers were fabricated through formation of strain-induced martensite by 80% cold rolli
Externí odkaz:
https://doaj.org/article/a9621309ec35415db77753938d47edff
Publikováno v:
Opuscula Mathematica, Vol 36, Iss 2, Pp 145-152 (2016)
Let \(G=(V,E)\) be a simple graph. A function \(f:V\rightarrow \{-1,1\}\) is called an inverse signed total dominating function if the sum of its function values over any open neighborhood is at most zero. The inverse signed total domination number o
Externí odkaz:
https://doaj.org/article/15d3dac01a834432b7e71bf567e61a81
Publikováno v:
Journal of Advanced Materials in Engineering, Vol 34, Iss 3, Pp 107-115 (2015)
Aluminium 5xxx alloys excellent properties make them suitable for many industrial applications. The corrosion behavior of this alloy family in industrial environments such as sea water is the main focus of many researches. Due to need for joining lar
Externí odkaz:
https://doaj.org/article/89c26fe2cafe4dc8bb717dd4c69f2715
Publikováno v:
Journal of Advanced Materials in Engineering, Vol 34, Iss 2, Pp 89-101 (2015)
This paper reports on the mechanical properties of the dissimilar joints between AISI 316 austenitic stainless steel and St 37 low carbon steel achieved using friction stir welding technique. The welding was carried out by means of rotational speed o
Externí odkaz:
https://doaj.org/article/8049854928bf42c0a3dc3310e9c4ccf9
Publikováno v:
نامه انجمن حشرهشناسی ایران, Vol 31, Iss 2, Pp 33-50 (2012)
The beet armyworm, Spodoptera exigua (Hübner), is a polyphagous pest that causes serious damages to a wide range of agricultural crops including beet, potato and cotton. In order to deepen our understanding of the biology of the pest during the wi
Externí odkaz:
https://doaj.org/article/3acd6b792a674332800b51c2d942b9d4
Publikováno v:
نامه انجمن حشرهشناسی ایران, Vol 31, Iss 2, Pp 79-91 (2012)
The cabbage aphid, Brevicoryne brassicae (L.), is one of the major pests of the plant family Brassicaceae that causes serious damages to cabbage and oilseed rape. The cabbage aphid is also able to build up populations on ornamental cabbage during the
Externí odkaz:
https://doaj.org/article/800f68a6eb404a6e9f44214149b704c7