Under the condition of the same time interval the fracture toughness of the specimens with treated layer surfaces is higher than that of untreated.
层面间隔时间相同的情况下，层面经过处理的试件要比层面不处理的试件的失稳韧度大；
Methods 48 clinically proven cases of pulmonary carcinoma were treated by chemical or embolic methods through bronchial artery and the interval time was between 4~6 weeks.
方法对48例经病理证实的肺癌患者行支气管动脉化疗或血管栓塞治疗，每次间隔时间为4～6周。
Acidizing fluids' type, concentration, jet pulse frequency, treatment time and interval treated may be selected according to degree of formation plugging.
该工艺可根据地层堵塞情况及程度，选择酸液种类、酸液浓度、射流脉冲频率、处理时间和处理层位。
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