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  • AIME
    A New Development in Electrical Prospecting

    By Hans Lundberg

    BASED upon an instrumental improvement, a new development has taken place in the art of electrical prospecting, and some remarkable results have already been obtained with regard to potential explorat

    Jan 1, 1931

  • SME
    A new development in microcomputer software for mine ventilation planning involving the installation of fans

    By M. S. J. Leary, M. J. McPherson, O&apos

    This paper introduces a computer simulation that extends the use of microcomputer systems for mine ventilation planning. The program was developed as part of an ongoing study to produce a simulation m

    Jan 1, 1990

  • TMS
    A New Development In Recycling Second Generation Autocatatyst

    By Heinz Giegerich

    This paper deals with a new development in recycling second generation catalytic converters, namely metal substrate converters (MSC). It describes a patented dismantling process, whereby the MSC is se

    Jan 1, 1995

  • AIME
    A New Development in Wrought Iron Manufacture

    By James Aston

    THREE years ago the writer presented a paper on the trend of development in the wrought iron industry,1 wherein was described a process in the development of which he has been a factor, which at that

    Jan 1, 1929

  • CIM
    A New Device to Enhance Oxygen Dispersion in Gold Cyanidation

    By Ralph Harris, Javier Jara

    "Oxygen is essential in gold cyanidation. It is supplied to the leaching media by sparging oxygen or compressed air into the cyanidation tank. The rate of oxygen transfer is critical to achieve the de

    Jan 1, 1994

  • DFI
    A New Diaphragm Wall Technology Providing Mechanical And Watertightenss Continuity

    By P. Dupeuble

    Diaphragm walls, owing to their method of construction are discontinuous structures. A new technology for the construction of joints between panels has been developed. This new process allows for the

    Jan 1, 2010

  • SME
    A New Diatomite Resource In Egypt

    By M. I. Al-Wakeel

    Nile sediment was collected as a waste from one of the water treatment plants in Cairo, and subjected to petrographical investigation and granulometric, chemical, and mineralogical analyses. It was ex

    Jan 1, 2008

  • SME
    A New Dimension In Iron Ore Transportation On The Great Lakes ? I. Introduction

    By A. T. Yu

    A recent analysis completed by the United States Department of Commerce predicts that the 1968 Gross National Product will reach a record high of 864 billion dollars. As our nation annually increases

    Jan 1, 1968

  • CIM
    A New Direct Iron Process 1n Relation to Ore and Steel Production

    By Horace Freeman

    "IN THE writer's opinion, the most important industrial re-search problems in Canada concern development of technology for the treatment and commercial utilization of the recent discoveries of v.ast q

    Jan 1, 1959

  • AUSIMM
    A New Dry Processing Approach to Alluvial Deposits

    By G R Ryan

    Dissatisfied with conventional wet processing methods for alluvial deposits, Resource Trend Pty Ltd of Cairns set out to develop a better process. After comprehensive investigation of existing dry t

    Jan 1, 1994

  • AUSIMM
    A New Effective Labour-Planning Model for Mines

    The mining industry is the largest source of foreign income for South Africa. It is also the main source of employment in the country and, as an industry; it is also one of the largest. Due to the lab

    Dec 6, 2010

  • AUSIMM
    A New Efficiency Index for the Evaluation of Separator Performance

    By M M. Tarshan

    Separator performance is evaluated by the so-called separation efficiency. The concept of efficiency in mineral dressing operations must be interpreted with considerable care. Although qualitative use

    Jan 1, 2000

  • AIME
    A New Electric Miners? Lamp.

    By D. B. RUSHJIORE

    (New York -Meeting, February, 1912.) TORCHES were used by the early Romans for mine-lighting, and these were followed by open lamps or earthen jars filled with tallow or oil, and later by candles. In

    Jul 1, 1912

  • CIM
    A New Electrolyte for Copper and Silver Refining?

    By J. Baumbach, H. Bombach, M. Stelter

    "Today technical electro-refining processes for copper exclusively use sulfuric acid, for silver refining nitric acid electrolytes are used. Sulfuric acid is characterized by very good chemical and el

    Jan 1, 2016

  • SME
    A New Electrolytic Alternative to Chemical Neutralization

    By P. James

    "INTRODUCTION Control of target stream pH is very important in leach mining and treatment of MIW (mining influenced water). On the production side, solution acidity can impact SX (solvent extraction)

    Jan 1, 2015

  • CIM
    A New Electromagnetic Device for the Surveying of Subsurface Conductors

    By A. E. Lehmberg

    "IT IS KNOWN that some ores of sulphide type, such as pyrite, chalcopyrite, and bornite have an electrical conductivity comparable to that of metals, and accordingly much higher than the conductivity

    Jan 1, 1952

  • AIME
    A New Epoch

    By Robert Glass Cleland

    THE DEVELOPMENT of the Phelps Dodge copper and railroad interests began in one era of the company's history and continued unbroken into the next. Yet the two eras themselves were strikingly dissi

    Jan 1, 1952

  • AIME
    A New Era for Mineral Processing

    By D. W. Fuerstenau

    The United States is rapidly approaching an acute shortage of minerals. According to some observers, this situation may even be more severe than the energy crisis because the US consumes nearly 30% of

    Jan 11, 1975

  • CIM
    A New Era in Pressure Hydrometallurgy

    By Fathi Habashi

    A new era in pressure hydrometallurgy is marked when the roasting - leaching - electrowinning process in the zinc industry was replaced by direct pressure leaching of zinc concentrate. Since then, the

    Jan 1, 2014

  • CIM
    A New ERA Tool for State of the Art Metallurgical Balance Calculations

    By Frédéric Flament, Luc Lachance

    "The important task of metallurgical accounting that used to be done manually is being more and more automated. Currently available solutions can generate accounting reports without human intervention

    Jan 1, 2011