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    • A fundamental study on the mechanism of electrolytic in

      Jun 01, 20020183;32;Periodic dressing is essential to minimize the above problems and this makes the grinding process very tedious. In 1985, Murata et al. introduced electrolytic in process dressing

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    • Copper Oxide Impregnated Wound Dressing Biocidal and

      Dec 01, 20100183;32;Abstract Copper plays a key role in angiogenesis and in the expression and stabilization of extracellular skin proteins. Copper also exhibits broad biocidal properties. The authors hypothesized that introducing copper into a wound dressing would not only reduce the risk of wound and dressing contamination, but would also stimulate wound repair.

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    • Recommended machining parameters for copper and copper

      for copper and copper alloys 43 10.1 Turning of copper and copper alloys 43 10.2 Drilling and counterboring of copper are relatively easy to machine. The free cutting brass with the designation CuZn39Pb3 has established itself as an excellent material for manufactur ing all

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    • The neglected role of copper ions in wound healing

      Aug 01, 20160183;32;1. Wound healing. Wound healing is a complex, efficient and highly regulated biological process that aims to repair damaged tissues , , .Skin is a labile tissue with regenerative stem cells in the basal layer of the epidermis .Wound healing begins as soon as tissue injury occurs and it is usually categorized in four sequential, but overlapping, phases hemostasis, inflammation, proliferation

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    • Mineral processing

      ] Later, more advanced machines were used such as the Frue vanner, invented in 1874. Other equipment used historically includes the hutch, a trough used with some ore dressing machines and the keeve or kieve, a large tub used for differential settlement.

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    • Copper Mining and Processing Processing of Copper Ores

      Copper processing is a complicated process that begins with mining of the ore (less than 1% copper) and ends with sheets of 99.99% pure copper called cathodes, which will ultimately be made into products for everyday use.The most common types of ore, copper oxide and copper sulfide, undergo two different processes, hydrometallurgy and pyrometallurgy, respectively, due to the different

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    • Developments of blade dressing Semantic Scholar

      DOI 10.1109/EPTC.2011.6184399 Corpus ID 43281184. Developments of blade dressing technique using SiC board for C90 low k wafer sawing @article{Shi2011DevelopmentsOB, title={Developments of blade dressing

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    • An epidermal sEMG tattoo like patch as a new humanmachine

      Mar 09, 20200183;32;a Schematic drawing showing the control flow of the humanmachine interface based on the epidermal sEMG tattoo like patch for patient voice loss.b Layer by layer configuration of the

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    • Journal of Mining Science Home Springer

      The Journal reflects the current trends of development in fundamental and applied mining sciences. It publishes original articles on geomechanics and geoinformation science, investigation of

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    • Testing for Toxic Elements A Focus on Arsenic, Cadmium

      After reading this article, readers should be able to describe the indications for toxic element testing, list pre analytical and analytical variables associated with elemental testing, and discuss the best specimens to collect for detecting and monitoring exposures to arsenic, cadmium, lead, and mercury.

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    • Developments of blade dressing Semantic Scholar

      2011; DOI 10.1109/EPTC.2011.6184399 Developments of blade dressing technique using SiC board for C90 low k wafer sawing @article{Shi2011DevelopmentsOB, title={Developments of blade dressing technique using SiC board for C90 low k wafer sawing}, author={Koh Wen Shi and K. Y. Yow and Rachel Shu Yuen Khoo}, journal={2011 IEEE 13th Electronics Packaging Technology Conference},

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    • Copper Sulfide Ore Flotation Technologies Xinhai

      Copper sulfide ore has good inherent floatability, so flotation process is a mature method used for copper sulfide ore separation. In recent years, with the continuous development of copper sulphide flotation technology, many scholars

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    • Characteristics of Abrasive Free Micelle Slurry for Copper

      Dec 03, 20190183;32;The micelle slurry also reduces the need for frequent dressing of foamed pads and enables a remarkably high rate of copper planarization with nonfoamed hard pads under low polishing pressures. It may therefore lengthen the pad service life and reduce the complexity and cost of CMP, particularly for copper

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    • Porous Curdlan Based Hydrogels Modified with Copper Ions

      Bacterial infections at the wound site still remain a huge problem for current medicine, as they may lead to development of chronic wounds. In order to prevent such infections, there is a need to use wound dressings that possess ability to inhibit bacterial colonization. In this study, three new curdlan based biomaterials modified with copper

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    • Nanostructures Current uses and future applications in

      Active packaging includes usage of metal and metal oxide NPs as antimicrobial agents in the form of nanocomposites for food packaging. Titanium dioxide, zinc oxide, copper, copper oxide, and silver based nanofillers are used due to their antimicrobial properties .TiO 2 and SiO 2 based nanofillers are used for applications in self cleaning surfaces .

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    • Diamond tools wear in drilling of SiCp/Al matrix

      During drilling 65 vol% SiC p /Al6063 composites containing 1.51 wt% Copper, under the combined action of Copper catalysis and machining induced temperature, the desorption of

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    • Journal of Mining Science Home Springer

      The Journal reflects the current trends of development in fundamental and applied mining sciences. It publishes original articles on geomechanics and geoinformation science, investigation of relationships between global geodynamic processes and man induced disasters, physical and mathematical modeling of rheological and wave processes in multiphase structural geological media,

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    • Triboelectrochemistry Influence of Applied Electrical

      Aug 14, 20200183;32;Research on the effects of applied electrical potential on friction and wear, a topic sometimes termed Triboelectrochemistry, has been reviewed. Historically, most such research has focussed on aqueous lubricants, whose relatively high electrical conductivities enable use of three electrode electrochemical kinetic techniques, in which the electrode potential at a single electrode

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    • Mineral processing

      ] Later, more advanced machines were used such as the Frue vanner, invented in 1874. Other equipment used historically includes the hutch, a trough used with some ore dressing machines and the keeve or kieve, a large tub used for differential settlement.

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    • Silver as a Disinfectant SpringerLink

      Abstract. The antimicrobial effects of silver (Ag) have been recognized for thousands of years. In ancient times, it was used in water containers and to prevent putrefaction of liquids and foods.In ancient times in Mexico, water and milk were kept in silver containers (Davis and Etris 1997).Silver was also mentioned in the Roman pharmacopoeia of 69 b.c. (Davis and Etris 1997).

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    • APPLICATION OF HIGH FREQUENCY SCREENS Semantic

      opening. Machine capacity could drop to 20 to 40 percent with a 150 micron (100 mesh) openings. At a given size, the open area of a particular screen surface also affects capacity. To increase screen panel life, it may be desirable to use a more robust screen cloth with lower open area. However, doing so will result in a lower machine capacity.

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    • Testing for Toxic Elements A Focus on Arsenic, Cadmium

      After reading this article, readers should be able to describe the indications for toxic element testing, list pre analytical and analytical variables associated with elemental testing, and discuss the best

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    • Flotation separation of coppermolybdenum sulfides using

      Nov 01, 20150183;32;The flotation tests on single minerals and molybdenum bearing copper concentrate were carried out using a model XGF 1600 flotation machine operating at 1600 rpm with a 30 mL suspension cell. In a typical test, the mineral slurry was prepared by adding 2 g of a single mineral or molybdenum bearing copper concentrate to 30 mL of distilled water.

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    • Home Yantai Jinpeng Mining equipment, ore dressing

      It is a high technological enterprise that integrated research , manufacture, sales and service . The company has multiple subsidiaries such as Mineral Processing Research Institute

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    • Google Scholar

      Google Scholar provides a simple way to broadly search for scholarly literature. Search across a wide variety of disciplines and sources articles, theses, books, abstracts and court opinions.

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    • The effects of a spray slurry nozzle on copper CMP for

      Dec 12, 20150183;32;The environmental impact of semiconductor manufacturing has been a big social problem, like greenhouse gas emission. Chemical mechanical planarization (CMP), a wet process which consumes chemical slurries, seriously impacts environmental sustainability and cost effectiveness. This paper demonstrates the superiority of a full cone spray slurry nozzle to the conventional tube type

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    • Developments of blade dressing Semantic Scholar

      2011; DOI 10.1109/EPTC.2011.6184399 Developments of blade dressing technique using SiC board for C90 low k wafer sawing @article{Shi2011DevelopmentsOB, title={Developments of blade dressing

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    • A fundamental study on the mechanism of electrolytic in

      Jun 01, 20020183;32;Periodic dressing is essential to minimize the above problems and this makes the grinding process very tedious. In 1985, Murata et al. introduced electrolytic in process dressing (ELID) to grind ceramics with metal bonded diamond wheels of grit size less than 400, and found the method to be efficient for grinding hard and brittle materials.

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    • 52 Processing of Chitosan Yarn into Semantic Scholar

      This article focuses on a preliminary investigation into the preparation of knitted fabrics from a 300 filament chitosan yarn containing nanoparticles of silver, platinum, copper and gold. The chitosan yarn was assessed with respect to its suitability for the preparation of knitted fabrics on a numerically controlled flat bed knitting machine.

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    • Studies of contact angles on oxidized copper minerals

      3.76 to 2.28% Cu, and that the tailings contained 0.79 to 0.65% oxide copper, and 0.12 to 0.25% sulphide copper. This resulted in a recovery of 96.12 to 90.65% sulphide copper a satisfactory recovery while the oxide copper

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    • Nanostructures Current uses and future applications in

      Active packaging includes usage of metal and metal oxide NPs as antimicrobial agents in the form of nanocomposites for food packaging. Titanium dioxide, zinc oxide, copper, copper oxide,

      Live Chat
    • Zeta potential of the surface of ultrafine sulfides and

      The results of experimental investigations into the zeta potential of ultrafine sulfides (chalcopyrite, tennantite, galenite, sphalerite, pyrite, and pyrrhotine), the floatability of monomineral fractions of sulfides of the floatation coarseness (0.1 + 0.05 mm) in a mechanical flotation machine, and the floatability fine particles of sulfide (0.044 + 0.010 mm) in the Hallimond tube are

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    • 52 Processing of Chitosan Yarn into Semantic Scholar

      This article focuses on a preliminary investigation into the preparation of knitted fabrics from a 300 filament chitosan yarn containing nanoparticles of silver, platinum, copper and gold. The chitosan yarn was assessed with respect to its suitability for the preparation of knitted fabrics on a numerically controlled flat bed knitting machine.

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    • In process wire electrical discharge dressing (IWEDD) of

      Fig. 3 shows results of grinding forces in which in process dressing was designed to remove dressing depth of cuts of a ed = 1 m after every specific material removal of 100 mm 3 /mm. Results are compared with the classical on machine dressing process, in which a total dressing depth of cut of a ed.ges = 10 m (2 times a ed = 5 m) was

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