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。
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.
介绍了影响聚合釜封头试样拉伸性能的因素：取样部位、取样方向和取样数量及试样的横截面形状。
To realize a true balance sampling receiver and resolve the pulse leakage of template signal in former receivers, a novel sampling-head is proposed.
为实现一种真正平衡的采样接收机，并解决以往接收机存在的采样模板脉冲泄漏问题，设计了一种新的平衡采样头。
The invention also relates to a using method of the sampling head 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；
The complete product range includes temperature-resistant and heated-head types ideally suited for environmental emissions sampling and analytical instrumentation applications, among others.
完整的产品系列包括耐高温和加热头类型，环境排放物取样和分析仪器等的理想应用。
The study on the conditions of static-head-space-sampling;
对顶空取样条件进行探讨；
According to the volatility of chloroform, the method for determining the chloroform in drinking water was established by gas chromatography with head-space sampling.
利用氯仿的易挥发性，建立了顶空进样气相色谱法测定饮用水中氯仿的分析方法。
According to the volatility of chloroform, the method for determining the chloroform in drinking water was established by gas chromatography with head-space sampling.
利用氯仿的易挥发性，建立了顶空进样气相色谱法测定饮用水中氯仿的分析方法。
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