Autogenous Grinding
نویسندگان
چکیده
منابع مشابه
Development of Geometallurgical Indices for Semi-Autogenous Grinding at Sarcheshmeh Porphyry Copper Mine
Geometallurgy tries to predict the instability the behavior of ores caused by variability in the geological settings, and to optimize the mineral value chain. Understanding the ore variability and subsequently the process response are considered to be the most important functions of an accurate geometallurgical study. In this paper, the geometallurgical index is presented as a new tool to...
متن کاملRectangular Autogenous Lamellar Keratoplasty.
MANY of the stationary corneal opacities causing diminution of vision are central, avascular, and superficial, and are surrounded by clear cornea or have a neighbouring peripheral clear corneal area of 4 x 4-5 mm. Donor homogenous corneal grafts are not always available, but a rectangular lamellar autogenous corneal. graft can be dissected and turned 1800 so that the clear lamellae are brought ...
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Semi-Autogenous Grinding mills can be optimized for maximum ore throughput or maximum grinding energy efficiency. In both cases, precise control of the mill weight is critical. Model predictive control provides an additional tool to improve the control of Semi-Autogenous Grinding mills and is often able to reduce process variability beyond the best performance that can be obtained with proporti...
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Purpose: The purpose of this retrospective analysis was to evaluate the medium-term results of arthroscopic treatment of chondral and osteochondral lesions of the knee with autogenous osteochondral transplantation (AOT). Type of Study: Case series. Methods: Thirty-three skeletally mature patients with symptomatic, full-thickness cartilage lesions of the femoral condyles, between 1 and 2.5 cm in...
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In the supersymmetric seesaw model of neutrino masses, augmented by the nonAbelian discrete tetrahedral symmetry A4, a specific pattern of neutrino mixing is automatically generated if one of the three heavy singlet neutrino superfields acquires a nonzero vacuum expectation value. This pattern turns out to be exactly that of tribimaximal mixing, i.e. sin θ23 = 1/2, sin 2 θ12 = 1/3, and sin 2 θ1...
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ژورنال
عنوان ژورنال: FLOTATION
سال: 1965
ISSN: 1883-9142,0427-7775
DOI: 10.4144/rpsj1954.1965.27