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HIGH SPEED DIFFERENTIAL STOPPED FLOW CALORIMETER

HIGH SPEED DIFFERENTIAL STOPPED FLOW CALORIMETER
高速差示停流热量计
批准号:
3937344
负责人:
C P MUDD
金额:
$0.0万
依托单位国家:
美国
项目类别:
财政年份:
--
资助国家:
美国
项目状态:
未结题
起止时间:
至

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中文摘要
翻译
单通道高速停流式量热计的初步研究 已经被构造来评估混合速度,流速, 压降和热检测灵敏度。 该系统使用 变速飞轮和电致动离合器, 将足够的能量转移到两个驱动注射器以混合试剂 在10毫秒或更短的时间内完成200微升的体积。 驱动注射器的管,以及混合器和 检测室保持在25 ℃和25 ℃之间的恒定温度下, 50 ℃的 超快热敏电阻(1 ms)位于 检测室,以测量在加热期间的温度上升。 反应 检测室还包含一个石英观察 反应的光学测量管。
英文摘要
A preliminary single channel, high speed, stopped-flow calorimeter has been constructed to evaluate mixing speeds, flow velocities, pressure drops, and thermal detection sensitivity. The system uses a variable speed flywheel and electrically actuated clutch to transfer sufficient energy to the two drive syringes to mix reagent volumes of 200 microliters in 10 milliseconds or less. The inlet tubes from the drive syringes, as well as the mixer and the detection chamber are kept at constant temperature between 25 and 50 deg C. An ultra-fast thermistor (1 ms) is located in the detection chamber to measure the temperature rise during the reaction. The detection chamber also contains a quartz observation tube for optical measurement of the reaction.
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TEMPERATURE CONTROLLED CHAMBER FOR X-RAY DIFFRACTION SPECIMENS
  • 批准号:
    3959937
  • 项目类别:
  • 资助金额:
    $0.0万
  • 财政年份:
    --
  • 负责人:
    C P MUDD
  • 依托单位:
HIGH-SPEED DIFFERENTIAL STOPPED-FLOW CALORIMETER
SIGNAL CONDITIONING & DATA ACQUISITION SYSTEM FOR SLEEP DEPRIVATION STUDIES
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