一种用于三轴试验的自动和连续地测定土样受压时体积改变的装置，包括一个具有柔韧橡胶膜壁的容器１３，土样１０装在所述容器内。在样品上加上一个载荷排出样品中空气和水分。在样品受压过程中，通过将水泵进或泵出内腔１９０来测量受压样品的体积改变量。
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The invention relates to an FRP (fiber reinforce plastic) tube-concrete-steel tube combined tube tower comprising an inner steel tube, an FRP outer tube and a concrete layer, wherein the inner steel tube is formed by connecting a plurality of steel tube segments, the FRP outer tube is formed by conn.....
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A method for bonding electric devices (13, 15) of the system (10), the use of conductive adhesive (14) the electrical device (13, 15) adhered together. The system (10) comprising: an ultrasonic vibration generating ultrasonic transducer (11) and operatively connected to and covering the ultrasonic t.....
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A way of promoting fracture healing and the ultrasonic wave generating ultrasonic therapeutic apparatus, comprising: an ultrasonic therapeutic apparatus main body and the work head body includes an ultrasonic therapeutic apparatus for generating a coded sequence of the coding sequence of the transmi.....
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本发明涉及一种健胃药物，它的活性成分是由山楂、大枣（去核）、广藿香、紫苏梗、炒麦芽的有效提取物组成。本发明所述药物的制备方法是将用于提取的原料在５～１０倍量的水中浸泡０．５～２小时后，煎煮三次，每次１～２小时，过滤，合并滤液，滤液浓缩，于浓缩物中边搅拌边加入乙醇直至含醇量５０～９０％，充分搅拌，室温静置１２～３６小时，抽滤，浓缩滤液，再将浓缩液中加入乙醇进行醇沉，如此共醇沉两次，将最后一次浓缩的滤液经紫外－可见分光光度计含量测定干浸膏总黄酮含量以芦丁计每克中不得低于３５ｍｇ，该浓缩浸膏为所述药物的活性成分；最后将所得活性成分与辅料混合而制成各种口服制剂，每克制剂的总黄酮含量以芦丁计不得低于８％.....
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