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In this study, based on studying of properties of the copper ore, and a large number of particular tests, the suitable mineral combined processing flowsheet of mixed flotation- copper sulphur separation with stage grinding and stage separation and highly efficient collector YL-3 have been defined.
Grinding liberates mineral grains, while flotation separates them into valuable minerals and gangue.

The results reported in this work are the average values of a number of runs, which are reproducible within ±5 µg.
The matrix of the coating consists of comparatively larger grains with non- smooth nodular appearance for without surfactant addition.

Introduction Oil shale generally refers to fine-grained sedimentary rocks (generally shale) in which the kerogen content is high enough to fractionate a considerable number of petroleum.

And as in through grain mirror inside make metope become beautiful and uncertain.
In fact, this is a dialectical concept, a large number of rational use of the energy-saving light source is able to save electricity, but general notice another aspect, that is reasonably, human nature to turn on the light, turn off the lights, and even the whole computer intelligent control all of the light source, not only can satisfy the business function and design requirements of effect, but also a lot of province electricity, the province is versed in the!

.% of SS316L was inadequate to hold grain particle of space holder properly because the space holder is too much than stainless steel powder.
The number of porosity values of the SS316L foams was increased while producing foams with the addition of amount space holders (as see as Fig.2a), showed the same trend with the graph presented in Fig. 3.

Numbers of methods have been reported for their synthesis which includes hydrolysis, precipitation, thermal deposition, sol-gel and hydrothermal processes [6-12].
These bands are sensitive to doping, thermal and grain size and thus indicates disorder in the oxygen sublattice [14].

High-order grain boundaries, stacking faults and twinning are frequently observed, in GaN nanostructures.
Acknowledgment The authors gratefully acknowledge the financial support from Postgraduate Research Incentive Grant (Number: 1001/PFIZIK/844014) Universiti Sains Malaysia.

Introduction Composite alloys of aluminum with refractory metals have a set of unique properties which make these alloys in demand in a great number of modern technological areas, where strength and reliability of materials are especially required.
In particular, the zirconium master alloy is widely used; its addition to the aluminum alloy slows down the grain growth process, increases the strength of the alloy due to the formation of the Al3Zr phase [4-5].

The annealing treatment produced polycrystalline NiTi (B2 structure) having a typical grain size of 10 µm.
The total number of FP insertions thus corresponds to a dose of 1.0 displacement per atom (dpa).

(3) Where n is the number of oxygen atoms in the oxide, MO and Mox are the molecular mass of oxygen and the oxide respectively, ρox is the density of the oxide. kp was calculated for a temperature of 850°C in static air with the equations (2) and (3), using data from literature [9,10].
Chromium and oxygen grain-boundary diffusion in polycrystals, Philos Mag A 66 (1992) 361-374