摘要：宣道小学建于20世纪90年代,建筑延续了香港传统的校园风格,不宽裕的户外空间,一层层走廊和一间间教室环绕,严谨清晰。这所学校虽然以培养孩子们在音乐方面的专长为特色,但缺少一处给孩子们练习音乐的专用空间。我们受委托去弥补这个缺陷,为它设计一个音乐厅。校内只有一个约200 m2的庭院作为户外活动空间,这也将是我们扩建的用地。考虑到校园里原本留给孩子们的户外活动场地就非常有限而狭窄,因此,我们的构思是将新建的音乐厅悬浮在半空。

摘要：Resistive Plate Chamber （RPC） modules will be used as one part of the cosmic muon veto system in the Daya Bay reactor neutrino experiment. A total of 189 RPC modules will cover the three water pools in the experiment. To achieve track reconstruction and high efficiency, each module consists of 4 layers, each of which contains two sizes of bare chambers. The placement of bare chambers is reversed in different layers to reduce the overlapping dead areas. The module efficiency and patch emciency were studied both in simulation and test of the data analysis. 143 modules have been constructed and tested. The preliminary study shows that the module and patch 3 out of 4 layers efficiency reaches about 98%.