Objective To study the effects of treating the entity tumors with high intensity control focus ultrasound (HICFU) tumor therapeutic apparatus.
方法 用高强可控圆阵聚焦超声 (highintensitycontrolfocusultrasoundHICFU)肿瘤治疗机对入选的 30例进行治疗 ,同时在非该机治疗的另外 2 8例进行对照。
Comparing with lower grade concrete in early years,a lot of characters have been changed for modern concrete,such as the changes of concrete composition,to solidify early and high intensity,etc.
与以往混凝土标号普遍较低的情况相比,现代混凝土的组分发生了变化,并往往具有早强、高强的特点。