Analytical Instruments for Soil and Plant Analysis
作者： M. E. Watson , Robert A. Isaac
DOI: 10.2136/SSSABOOKSER3.3ED.C26
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摘要: … current causing light to be emitted from the lamp. The wavelengths of emitted light are charac… Since the electron beams are so narrow (0.1-1 µm diam.), very small areas of plant tissue or …
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