To detect PWN in the pine trees early and quickly, the technology of twig dissection with the aid of portable microscope was invented, which could diagnose pine wood nematode quickly.
为了在早期快速测定寄主(松树)体内的病原线虫,开发了便携式显微镜和松枝解剖技术。
portable polarizing microscope for sampling and determining incombustible matter in coal and rock-dust mixtures
不燃性粉煤灰及岩粉测定用便携式偏振显微镜
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