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qm3sp2 nanda instrument plant ball milling

Dec 01, 2020 Ni powder was milled in a QM-3SP2 planetary ball mill (Nanjing NanDa Instrument Plant) with the tungsten carbide (WC) vials (100 mL) and WC balls (6 mm diameter) at room temperature. The weight of Ni powder before milling was 2 g and the ball-to-powder weight ratio was 15:1. Ethanol was used as PCA, if nessesary

  • Supporting Information - RSC

    Supporting Information - RSC

    (Nanjing NanDa Instrument Plant, QM-3SP2). The ball milling jar was vacuumed through the suction valve on it via a vaccum pump. Then the valve was closed and high-vacuum grease was applied to help to maintain vacuum. The balls and inner wall of the ball-milling container are usually worn due to the mechanical impactions during MA

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  • Investigation of wet-milled graphene nanosheets with

    Investigation of wet-milled graphene nanosheets with

    Feb 22, 2020 The container was then filled with nitrogen and subject to ball milling at a speed of 500 rpm for 60 h in planetary ball-milling equipment (QM-3SP2, Nanjing Nanda Instrument Plant). The obtained mixture was washed with 1 M aq. HCl solution and deionized water for three times to remove the metallic impurities originated from the ball-milling

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  • Control of graphitization degree and defects of carbon

    Control of graphitization degree and defects of carbon

    Ball-milling apparatus (Nanjing NanDa Instrument Plant, QM-1SP2, Planetary Ball Mill) is composed of two agate mortars. 8 of big agate balls (ca. 0.6 g per ball) and 60 of small balls (ca. 0.3 g per ball), and 1 g of the raw material were added in one agate mortar. Ball-milling was taken at 425 rpm for 0.1, 1, 3, 9, and 24 h, respectively

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  • Enhanced sugar alcohol production from cellulose by

    Enhanced sugar alcohol production from cellulose by

    Ball-milling of cellulose was conducted using a planetary ball mill (QM-3SP04, Nanjing NanDa Instrument Plant) at room temperature. For single ball-milling, microcrystalline cellulose was charged in a 100-mL ZrO 2 container, and the ball-milling was carried out at a speed of 500 rpm with ZrO 2 balls (15 balls, Φ=7 mm) for 0-4 h

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  • Effects of concurrent ball milling and octenyl

    Effects of concurrent ball milling and octenyl

    The mixture was mechanically activated using a QM-1SP2 planetary ball mill (Nanjing Nanda Instrument Plant, China) with four containers containing mixtures of 6 and 10 mm balls. The cylindrical container was tumbled at a rotation speed of 450 rpm (the ratio of rotation and revolution

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  • Microstructures and Mechanical Properties of

    Microstructures and Mechanical Properties of

    The mechanical milling was executed by a QM-3SP4 type planetary ball milling machine (Nanjing NanDa Instrument Plant, Nanjing, China). Through the preparation experiment, the optimum milling parameters were determined, which were given as follows: the mass ratio of ball to powder was 60:1 and the shaft rotation was 300 rpm. Then, the AZ31/TiB

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  • Hot Deformation Behavior and Strain-Compensated

    Hot Deformation Behavior and Strain-Compensated

    Apr 11, 2020 energy ball milling method using the QM-BP planetary ball mill (Nanjing nanda instrument plant, Nanjing, China) at a ball milling speed of 150 r/min for 20 h. The mixture was then pressed using a YD32 four-pillar hydraulic machine (Xuzhou

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  • Effect of high-energy ball milling time on superconducting

    Effect of high-energy ball milling time on superconducting

    Feb 13, 2012 HEBM was performed in a QM-1SP4 planetary ball mill (Nanjing NanDa Instrument Plant, China) under argon atmosphere (dry milling). The milling tools were made from tungsten carbide (WC) with a cobalt (Co) binder. The rotational speed was 250 rpm. Five different powders were singly prepared and the ball milling times were 0.5, 10, 40, 80 and 120

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  • Ball mill - Wikipedia

    Ball mill - Wikipedia

    A ball mill, a type of grinder, is a cylindrical device used in grinding (or mixing) materials like ores, chemicals, ceramic raw materials and paints.Ball mills rotate around a horizontal axis, partially filled with the material to be ground plus the grinding medium. Different materials are used as media, including ceramic balls, flint pebbles, and stainless steel balls

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  • Carbon-coated BiOBr composite prepared by molten salt

    Carbon-coated BiOBr composite prepared by molten salt

    Mar 01, 2021 The [email protected] nanocomposite was obtained through mechanical ball-milling method. 0.56 g the as-synthesized BiOBr was mixed with 0.14 g ketjen black (ECP-600JD, Lion Corporation) in a planetary milling (QM-3SP04, Nanjing NanDa Instrument Plant, China) in air at 480 rpm for 4 h. The mass ratio of milling balls to materials was set as 40 to 1

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  • 1791520 File000005 28874385

    1791520 File000005 28874385

    Glass particles were obtained by milling glass microscope slides used in the experiment of RGS-mediated vesicle formation, using a planetary ball mill (QM3STC, Nanjing Nanda Instrument Plant, China). The so-obtained glass particles were immersed in HF for 3

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  • CeO2/TiO2 3 wetness impregnation, denoted as CeTi-IM

    CeO2/TiO2 3 wetness impregnation, denoted as CeTi-IM

    Milling was performed in a QM-QX planetary ball mill (Nanjing NanDa Instrument Plant) at a rotation speed of 500 rpm for 1 h. The milled mixture was calcined in air at 250 oC for 2 h firstly, and then calcined in air at 450 oC for 2 h, giving the expected CeO2/TiO2 catalyst. The catalyst prepared by dry ball milling using cerium (III) nitrate

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  • QVC | Shop QVC® For Today’s Special Value & Top Brands

    QVC | Shop QVC® For Today’s Special Value & Top Brands

    Shop Online At The Official QVC Website. QVC.com Offers Deals And Special Values Every Day. Shop Beauty, Electronics, Fashion, Home, And More

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  • Effect of high-energy ball milling time on

    Effect of high-energy ball milling time on

    planetary ball mill (Nanjing NanDa Instrument Plant, China) under argon atmosphere (dry milling). The milling tools were made from tungsten carbide (WC) with a cobalt (Co) binder. The rotational speed was 250 rpm. Five different powders were singly prepared and the ball milling times were 0.5, 10, 40, 80 and 120 h, respectively. The mass ratio of ball to

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  • Effects of Temperature, Solution pH, and Ball-Milling

    Effects of Temperature, Solution pH, and Ball-Milling

    Aug 01, 2020 The ball mill machine (NanDa Instrument Plant, Nanjing, China) was operated at 500 rpm with rotation direction changed every 0.5 h. The ball milling time and weight ratio of biochar to milling ball, two important milling parameters, were further investigated to address the effects of ball milling on biochar sorption for NSAIDs

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