以下为句子列表：
英文: Abstract: Spectrophotometer 723 were introduced briefly in the paper.In order to apply it into measurement of pepsin thickness,we add temperature control system and pipe equipment into the instrument.And we redesigned the board of instrument and reedited
中文: 文摘:简单介绍了723型可见分光光度计，在基本保持仪器原有机械结构的基础上，增加了温控系统和吸液装置，并对原仪器主板电路和程序进行了重新设计和编制，使它成功地应用在胃蛋白酶浓度的测量上。
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英文: Adamas Gemological Laboratory in Brookline, Mass., has developed a spectrophotometer that shines full-spectrum light through a stone and detects specific wavelengths that are absorbed by occasional nitrogen atom clusters, common in natural stones but not
中文: 美国麻州的爱达玛斯宝石学实验室已研发出一台分光光度计，可发出全光谱的光，穿透宝石后，侦测被氮原子簇吸收的特定波长；氮原子在天然宝石中相当常见，却是合成宝石所没有的。
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英文: In the paper,probes into the practicability of studying photometric analysis by the aid of continuous light sources at atomic absorption spectrophotometer has been probed.The monochromatic absorption is unnecessary and sufficient condition for the Beer-La
中文: 探讨了在原子吸收光谱仪上应用连续光源研究分子吸收光谱的可行性，单色吸收是朗伯-比耳定律成立的充分不必要条件.
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英文: The mechanical property, light transmittance of ion exchange strengthened solar cell cover glass and the effect of ion beam bombardment on its properties are investigated by dynamic mechanical analyser (DMA), microscope, SEM, UV/visible spectrophotometer
中文: 摘要系统研究了太阳能电池盖片玻璃经离于交换增强（化学钢化）后的机械性能、透光率以及离子束轰击对盖片性能的影响。
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英文: The prepared SiO2 sols, polyelectrolyte/SiO2 composite films and SiO2 thin films are investigated with transmission electron microscope, fourier transform infrared spectrophotometer and 721 spectrophotometer.
中文: 采用透射电镜、红外光谱仪、721分光光度计对二氧化矽溶胶和薄膜进行了分析。
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