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本实用新型属于钢结构技术领域,具体为一种钢结构拐角汇集承力结构,包括有连接板,活动轴,活动板和连接钢体,所述活动轴安装在连接板的内部,所述活动轴的侧面连接有两个活动板,所述连接钢体的连接在活动板的另一端上.通过连接板,活动轴和活动板,使连接钢体可以通过螺钉固定卡接在活动板上,实现拼装式固定,无需人...
Auxiliary flotation, propulsion and steering gear for multipurpose vehicles with amphibian functions The gear comprises at least two auxiliary flotation sections, respectively a forward section and a stern section, which can be detachably associated with the hull of the vehicle, each section being ...
摘要: For a class of irreducible Markov chains with infinitely countable set of states, we establish a new verifiable necessary and sufficient condition for recurrence and transience. We show that if one of the basic assumptions is relaxed, the statement of the theorem becomes invalid. 年份: 2024...
摘要: 手术室成本核算是医院成本核算的重要组成部分,其成本分摊的准确与否直接关系到临床服务科室的效益情况.文章结合我院成本核算的实践,对手术室成本分摊模式进行探讨.关键词:成本核算 手术室 成本分摊 年份: 2012 收藏 引用 批量引用 报错 分享 全部来源 求助全文 掌桥科研 相似文献 参考文献...
PROBLEM TO BE SOLVED: To provide a package for housing a semiconductor device which can electrically connect electrodes of the housed device to a predetermined external electric circuit stably for a long time, without peeling off connecting pads from an insulation board against a high thermal stress...