Objective To evaluate the diagnostic accuracy of ultrasound miniature probe (UMP) examination in tumor invasion (t staging) and local lymphatic node metastasis (n staging) for colorectal carcinoma.
目的研究微超声探头(UMP)检查在结直肠癌t、N分期的准确率及结直肠癌术前分期中的诊断价值。
The ultrasound could promote the extraction of Mn with distilled water, however, it was not beneficial to the extraction of NH3-N.
超声波作用能促进蒸馏水对锰的提取，但不利于蒸馏水对氨氮的提取。
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