"shoulder walkie talkie mic" の検索結果 50 件

  1. Ways to Judge the Polluted IG Tungsten Filament

    Ways to Judge the Polluted IG Tungsten Filament

    The IG tungsten filament is known as the ion source which is a discipline with a wide range of applications. The IG tungsten filament is indispensable equipment in many basic research areas, such a...

  2. Nano Tungsten Trioxide Electrochromic Film

    Nano Tungsten Trioxide Electrochromic Film

    Tungsten trioxide is a -type wide band gap semiconductor oxide (with the band gap of about 2.4~2.8eV), at low and room temperature, WO3 exist in the form of monoclinic and triclinic phase; whereas ...

  3. Preparation of Low Cost SCR Method for Denitration Catalyst

    Preparation of Low Cost SCR Method for Denitration Catalyst

    A low cost method to prepare SCR denitration catalyst which can reduce the preparation and operation cost, improve the abrasion resistant property of catalyst. The weight composes are like bellows:...

  4. Ammonium Metatungstate Production Neutralization Process Conditions

    Ammonium Metatungstate Production Neutralization Process Conditions

    Because of the low solubility of ammonium paratungstate, in the neutralization conversion process, the weight ratio of ammonium paratungstate added and deionized water (solid-liquid ratio) is small...

  5. Tungsten Melting Point and Boiling Point

    Tungsten Melting Point and Boiling Point

    Tungsten is a metal element with high hardness, high melting point, high boiling point, low vapor pressure and other characteristics, is an indispensable Deep Hole Drilling Inserts modern metal el...

  6. Tungsten Alloy Used for Shielding Medical X Ray

    Tungsten Alloy Used for Shielding Medical X Ray

    Therere great medical benefits of using X rays in medicine, but they also have certain hazards. With the rapid popularization of medical X ray machine, Radiation hazards of X ray machines have also...

  7. Tungsten Alloy Radiation Shielding Package

    Tungsten Alloy Radiation Shielding Package

    For electronics, high performance shielding packaging materials can not completely reliable and effectively eliminate the impact of electromagnetic radiation on the performance of the products. It ...

  8. BL1301 Li-ion Battery(1300mAh)

    BL1301 Li-ion Battery(1300mAh)

    Specifications of Hytera BL1301SpecificationsDimensions(H×W×D) mm91.8*53.7*16.6(mm)Weightabout 87.8gNominal Capacity1300mAhNominal Voltage7.4VOperating Temperature0~45℃(charge); -20~60℃(discharge)...

  9. Seismic Tungsten Wire Production Processes

    Seismic Tungsten Wire Production Processes

    Seismic tungsten wire was produced by doping K, Si, Al and other elements. It is widely used in the lighting system at vibration environments. Seismic tungsten wires were divided into three types. ...

  10. Recovery of Waste Residue from Tungsten Disulfide

    Recovery of Waste Residue from Tungsten Disulfide

    The waste residue of tungsten disulfide usually contains a large amount of versatile tungsten oxide. So we must attach importance to the recovery of waste residue from tungsten disulfide to avoid r...

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