A parametric cost model for mineral grinding mills
AR Sayadi, MR Khalesi, MK Borji - Minerals Engineering, 2014 - Elsevier
The adequate cost estimation of mill plants plays a crucial role in the success of feasibility
studies of mining projects. Grinding is one of the most important operations in mineral …
studies of mining projects. Grinding is one of the most important operations in mineral …
Estimating capital and operational costs of backhoe shovels
Material loading is one of the most critical operations in earthmoving projects. A number of
different equipment is available for loading operations. Project managers should consider …
different equipment is available for loading operations. Project managers should consider …
Improved mine waste dump planning through integration of geochemical and mineralogical data and mixed integer programming: Reducing acid rock generation from …
V Vaziri, AR Sayadi, A Parbhakar-Fox… - Journal of …, 2022 - Elsevier
Although the environmental significance of acid rock drainage (ARD) generated from mining
wastes is well known, selecting the appropriate ARD management strategy can prove a …
wastes is well known, selecting the appropriate ARD management strategy can prove a …
Evaluation of effect of rock mass properties on fragmentation using robust techniques
In the civil and mining projects, blasting operation is important from technical and economical
point of view. There are several parameters which affect the result of operation such as …
point of view. There are several parameters which affect the result of operation such as …
مجردة
…, A Bahrami, AY Varjani, AR Sayadi - Arabian Journal of …, 2011 - Springer
يطير الصخرة هي واحدة من أكثر الأحداث الخطرة في عملية تفجير الألغام السطحية. هناك العديد من الطرق
التجريبية للتنبؤ يطير الصخور. انخفاض أداء مثل هذه النماذج ومن المقرر أن تعقد يطير تحليل …
التجريبية للتنبؤ يطير الصخور. انخفاض أداء مثل هذه النماذج ومن المقرر أن تعقد يطير تحليل …
Hard-rock LHD cost estimation using single and multiple regressions based on principal component analysis
AR Sayadi, A Lashgari, JJ Paraszczak - Tunnelling and underground …, 2012 - Elsevier
In feasibility studies and mine planning, accurate and effective tools and methods facilitating
cost estimation play an important role. Load–Haul–Dump (LHD) machines are a key …
cost estimation play an important role. Load–Haul–Dump (LHD) machines are a key …
Application of neural networks to predict net present value in mining projects
Net present value (NPV) is the most popular economic indicator in evaluation of the investment
projects. For the mining projects, this criterion is calculated under uncertainty associated …
projects. For the mining projects, this criterion is calculated under uncertainty associated …
A systems dynamics simulation model of a steel supply chain-case study
MA Mohammadi, AR Sayadi, M Khoshfarman… - Resources Policy, 2022 - Elsevier
Considering the complexity, interactions, and dynamics that permeate the Supply Chain (SC),
computational modeling and simulation promote determining the system's behavior and …
computational modeling and simulation promote determining the system's behavior and …
Opium addiction as an independent risk factor for coronary microvascular dysfunction: a case–control study of 250 consecutive patients with slow–flow angina
Background Approximately 20% to 30% of patients who undergo coronary angiography for
assessment of typical cardiac chest pain display microvascular coronary dysfunction (MCD). …
assessment of typical cardiac chest pain display microvascular coronary dysfunction (MCD). …
Identifying the mixed effects of unobserved and observed risk factors on the reliability of mining hauling system
Z Allahkarami, AR Sayadi, B Ghodrati - International Journal of System …, 2021 - Springer
Reliability is widely used as a performance indicator of mining equipment to achieve a cost-effective
maintenance plan. Reliability is a function of time as well as environmental and …
maintenance plan. Reliability is a function of time as well as environmental and …