ATRIAL SEPTAL DEFECT AS A CAUSE OF CHRONIC COUGH AND RECURRENT INFECTIONS IN A 4-YEAR-OLD BOY



The cultural-social nucleus of an open community: A multi-level community knowledge graph and NASA application

The challenges faced by science, engineering, and society are increasingly complex, requiring broad, cross-disciplinary teams to contribute to collective knowledge, cooperation, and sensemaking efforts.However, existing approaches to collaboration and knowledge sharing are largely manual, inadequate to meet the needs of teams that are not closely c

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Sulfate erosion resistance of slag-fly ash based geopolymer stabilized soft soil under semi-immersion condition

In this paper, the sulfate resistance of slag-fly ash based geopolymer stabilized soft soil under semi-immersion condition was investigated.The slag/fly ash ratios were set as 10:0, 9:1, 8:2 and 7:3, respectively, Fasteners while cement stabilized soft soil was used as the control group.The samples of geopolymer stabilized soil and cement stabilize

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