The invention also relates to a using method of the samplinghead device, which comprises: sample collection;
本发明还涉及一种采样头装置的使用方法，包括：采集样品；
2
Objective the aim of this study was to compare the differences in sampling methods of ct perfusion for soft tissue neoplasms in the head and neck regions.
目的研究不同ct灌注采样方法对头颈部软组织肿块性病变评价的影响。
3
Factors influencing the tensile strength of polymerizer head sample were introduced, which included the sampling position, sampling direction, sampling quantity and the cross section shape of sample.