目的以水浸法为标准检验原发性肝癌肿块和肝脏螺旋CT (MSCT)三维、(3d)体积测量方法的精确性。
Objective to examine the accuracy of multi-slice ct (MSCT) three dimensional (3d) volume measurement of tumors and livers in hepatocellular carcinoma cases by using immersion method as the standard.
方法：采取单纯随机采样法，抽检市售的15类食品并依据相关国家标准和地方标准检验方法进行检测。
Methods: 15 categories of sampled food were randomly selected from Wenling markets, and tested with both national and local criteria on food hygiene.
RZ50用于盖勃氏法和伊尼霍夫氏碱法对乳及乳制品的相对密度和脂肪进行标准的理化检验。
RZ50 Table Top Milk Centrifuge is used for standard physiochemical test on the relative density and fat volue of milk products with the method of gerber and yinihupfu.
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