It provides orientable halogen task lighting, and its elegant counterweight and arm system keep the head constantly parallel to the table.
它提供了定向卤素工作照明，其优雅的姿势和手臂系统保持头部不断平行。
It provides orientable halogen task lighting, and its elegant counterweight and arm system keep the head constantly parallel to the table.
它提供了定向卤素工作照明，其优雅的姿势和手臂系统保持头部不断平行。
Halogen compunds coating fluorescent lamps phosphoresce to produce light in response to electric discharges inside the lamp (see electric discharge lamp).
卤素化合物作
灯的涂料，灯管的磷和灯内部的电流
而发（参阅electric discharge lamp）。
Pyridine can react with halogens,nitronium fluoroborate, sulfur trioxide, boranes and chromium trioxide to form some useful organic reagents which are introduced briefly in the paper.
吡
可以和卤素、硝基四氟化硼盐、三氧化硫、硼烷及三氧化铬，
成一些有用的有机试剂。
As to metal halide torch with gallium iodide is special rise 403nm and 417nm wave crest, and the highest wave crest 417nm has conspicuousness and good effect to exposal Diazo material.
至于钾掺合卤素灯，特别增强了403nm及417nm的波峰，其最高的417nm波峰对于Diazo 材料的曝有十分显着及良好的作用.
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