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Performance Evaluation, Technical and Environmental Aspects of Biomass Cookstoves: An Exergy Approach
By Kunwar Pal, S. K. Tyagi, A. K. Pandey
"This study deals with the performance evaluation, technical and environmental aspects of different cookstove models (NIRE-02, NIRE-03 & NIRE-04). These cookstove models were designed, fabricated and
Jan 1, 2014
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Some Practical Aspects Of The Use Of Lognormal Models For Confidence Limits And Block Distributions In South African Gold Mines (fb46b25c-eb38-486d-ae41-a92c3f6edf12)
By D. G. Krige
For the purpose of determining confidence limits for ore grade estimates, an extensive simulated database was used, which included 1728 ore blocks with ?actual? grades and the corresponding estimates
Jan 1, 2004
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IC 8023 The Soviet Seven-Year Plan (1959-65) For Oil ? Summary
By Donald J. Frendzel
The post-World War II expansion of the Soviet petroleum industry has established the U.S.S.R. as a major oil-producing nation and has led to Russian reentry into the international petroleum trade. The
Jan 1, 1961
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Towards a generalizable project readiness assessment methodology for the mining industry: A literature review
By H. Mulder, M. C. Bekker
The principal objective of this investigation was to conduct a thorough literature review on the status of project readiness mechanisms, tools, techniques, and frameworks for mining projects. The revi
Sep 1, 2022
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Estudo Na Redução Do Bandeamento E Estabilização Dos Resultados De Impacto Para O Aço Sae 8620mod
By Gabriel Filipe Barrelas Marques Gamito Cardos
O aço em estudo (SAE8620MOD) é um material utilizado na aplicação de estruturas de óleo e gás. Essa liga modificada é utilizada em estruturas off-shore para produção de amarras. Para garantir a qualid
Oct 30, 2017
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Surface modification of chrysotile asbestos with organic reagents: a preliminary in vitro toxicological study
By Fathi Habashi, Michel Pagé, Farouk T. Awadalla
"Chrysotile asbestos can be dyed with certain dyestuffs to form stable coloured products whose hemolytic and cytotoxicity are greatly reduced. Examples of these dyes are Thiazol Yellow G (a monazo dye
Jan 1, 1991
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Laurentian Problems and Atomic Disintegration
By Alfred C. Lane
Reference to the original use of the terms Laurentian and Huronian (and its extension), shows that the former was applied to granitized sedimentary and metamorphic pre-Cambrian rocks, and the gneissoi
Jan 1, 1925
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RI 6317 Fluidized-Bed Chlorination of Titaniferous Slags and Ores
By E. C. Perkins, R. S. Lang, D. M. Taylor, H. Dolezal
The amenability of titaniferous slags and domestic mineral concentrates to chlorination was determined in a 6 - inch diameter fluidized bed chlorinator . Ilmenites from Valley County , Idaho ; Aiken ,
Jan 1, 1963
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Institute of Metals Division - The Oxidation of René 41 and Udimet 700
By S. T. Wlodek
The scale md subscale reaction products were identified and their rates of formation were studied in air over the range 1600" to 2000°F (871 " to 1149°C) for periods of up to 400 hr and for hoth the s
Jan 1, 1964
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RI 5372 Determination Of The Average Effective Valence State Of Titanium In Sodium Chloride - Summary
By F. R. Cattoir
Analytical methods are presented in this paper for determining soluble titanium, total titanium, indicated titanium, and average effective valence in titanium chloride - sodium chloride mixtures. In a
Jan 1, 1957
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RI 6414 Analysis of High-Purity Columbium by Optical Emission Spectrography
By James M. Nishi, Lloyd Carpenter
Sixteen elements were determined spectrochemically in the general range of 3 to 1,000 ppm in high - purity columbium . Samples were converted thermally to Cb2 O , mixed with graphite and Ge02 , and ex
Jan 1, 1964
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Systematic Evaluation of Foundation Reuse for a Metro Station
By Haoran Zhang, Chu Ho
A recent design-build project in New York involved various degrees of additions and improvements to four existing transit stations. Reuse of the existing foundations was considered a more sustainable
Sep 8, 2021
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Slurry Walls Executed with the Cutting Soil Mixing Technique: A Case History
By Carnevale Francesco, Bracci Laudiero Alberto, Pampanin Piero
"SummaryIn the Port of Naples a slurry wall has been realized through a sandy layer up to a deep tuff layer using the Cutting Soil Mixing technique.The executed panels have dimensions of 2.8 m x0.65 m
Jan 1, 2014
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Aligning Resource Estimates with Mine Planning
By D Kentwell
A resource model serves two main purposes depending on the stage of a project. The first is to provide an early indication of likely tonnages and grades at certain cut-offs so that decisions can be ma
Nov 24, 2014
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RI 3003 Check Determinations of Fusibility of Coal Ash with the June, 1930 De Graaf Electric Coal-Ash Fusion Furnace
By W. A. Selvig
"The purpose of the investigation described herein was to determine how closely different laboratories can check one another in making determinations of fusibility of coal ash with the De Graaf electr
Jun 1, 1930
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Historical development of the INCO SO2/AIR cyanide destruction process
By G. H. Robbins
"Originally presented at TORONTO 94, CIM-AGM, this paper has been updated to reflect the present status of business development for theSO2/AIR process. The paper reviews the back-ground leading to the
Jan 1, 1996
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Non-Oxidative Acidic Treatment of Copper Sulfide Concentrates in the Flotation Circuit
By A. Luszczkiewicz
This paper presents the beneficial effects of non-oxidative leaching of final and intermediate copper sulfide concentrates with sulfuric acid prior to the final cleaning stage of flotation. This uniqu
Jan 1, 2007
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Brief Characterization Of The Chromium Coating And Comparison Of Wettability Of Skin Pass Solution On Surfaces Of Rolls Coated And Noncoated*
By Karl K. Bagger, Felipe Bertelli
The competitive scenario of steel industry requires studies and developments to improve manufacturing processes focusing on increasing productivity and reducing costs. The practice of coating rolls fo
Oct 1, 2019