The paper presents the structure characteristics and performances of the accelerating tube for J-2.5 MV electrostatic accelerator.
介绍了为2.5 MV静电加速器研制的加速管的结构特点和性能测试结果。
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Purpose:To clarify the effectiveness of retrocatherization of double Jtube indwelling in the treatment of ureteral obstruction induced by pelvic carcinoma.
目的:探讨应用双J管内引流治疗晚期盆腔癌并发输尿管梗阻的临床疗效。
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J - t loop is precooled by two - stage pulse tube cryocooler in order to obtain liquid helium temperature.