Grain size analyse experiment of 16 samples, taken from the tidal flat of the northwest Bohai Bay, was carried out by laser and pipette-sieve methods simultaneously.

对渤海湾西北部潮间带16个样品分别进行了激光法与综合法(筛析沉降法)粒度测量。

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Lang lives in the San Francisco bay area. He is a laser physicist and graduate of the California Institute of Technology, and has nearly 50 U.S.patents to his name.

VOA: standard.2010.03.17