نتایج جستجو برای: mill scale
تعداد نتایج: 591344 فیلتر نتایج به سال:
Mill scale and aluminum dross are the industrial wastes from steel industries, which have high concentrations of Fe2O3 Al2O3, respectively. This paper reports conversion reducible metal oxides in into an alloy via carbothermic reduction at 1550 °C. Scale were mixed with graphite three different C/O molar ratios 1, 1.5, 2 to produce a pellet. The pellets heated °C for up 6 h under argon atmosphe...
the aim of this research work was to investigate on the ball filling estimation of miduk semi-autogenous (sag) mill via an utilized method. miduk copper concentrator is located in kerman province, iran, and its size reduction stage includes one gyratory crusher which feeds one sag mill (9.75 dia.(m)*3.88 length(m)) following two parallel ball mills (5dia.(m)*7lenght(m)). after sag mill, a tromm...
A new, ligand- and solvent-free method for the Huisgen 1,3-dipolar cycloaddition (click reaction) was developed using a planetary ball mill. Besides various alkynes and azides, a propargyl functionalized polymer was converted by mill clicking. Moreover, it was possible to carry out a click polymerization in a ball mill.
Brought to you by Nebraska corn producers through their corn checkoff dollars— expanding demand for Nebraska corn and value-added products. INTRODUCTION Across the United States, ethanol production continues to expand with monthly production records being set.With the continued expansion in production, co-products have emerged as excellent feed sources for livestock. For purposes of this manual...
Background:Children's Hospital, they were exposed to various therapeutic interventions that can be painful ,Including postoperative pain is the most common complaints, This study aimed to investigate the effect of aromatherapy on pain in children after surgery is performed. Methods: In a double blind placebo-controlled clinical trail we selected 96 children with 3-6 years old in ease way and d...
A ball mill is a heavy mechanical device and its safe operation affects the entire grinding process. Mill load key index in optimum of process, but it cannot be measured directly. In industrial practice, operational experts normally estimate value based on their experiences signals produced by mill. this paper, we proposed heterogeneous selective ensemble method using multiscale frequency spect...
A secondary treatment for olive mill wastewater coming from factories working with the two-phase olive oil production process (OMW-2) has been set-up on an industrial scale in an olive oil mill in the premises of Jaén (Spain). The secondary treatment comprises Fenton-like oxidation followed by flocculation-sedimentation and filtration through olive stones. In this work, performance modelization...
In a previous study we showed that broods from the viviparous eelpout Zoarces viviparus were significantly male biased in 1998 in the vicinity of a large kraft pulp mill on the Swedish Baltic coast. One suggested hypothesis was that masculinizing compounds in the effluent were affecting gonadal differentiation of the embryos, resulting in skewed sex ratios. In this article, we present further e...
Pulp and paper mill effluents pollute water, air and soil, causing a major threat to the environment. Several methods have been attempted by various researchers throughout the world for the removal of colour from pulp and paper mill effluents. The biological colour removal process uses several classes of microorganisms--bacteria, algae and fungi--to degrade the polymeric lignin derived chromoph...
In the European lobster Homarus gammarus, rhythmic masticatory movements of the three foregut gastric mill teeth are generated by antagonistic sets of striated muscles that are driven by a neural network in the stomatogastric ganglion. In vitro, this circuit can spontaneously generate a single (type I) motor program, unlike in vivo in which gastric mill patterns with different phase relationshi...
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