Science Research

Volume 7, Issue 4, August 2019

  • Parent-Student Interactions and Parent School Relationships as Predictors of Academic Achievement of Students in Basoliben Woreda Secondary School, North West Ethiopia

    Demelash Abewa, Hayimro Edemealem

    Issue: Volume 7, Issue 4, August 2019
    Pages: 44-50
    Received: 21 February 2019
    Accepted: 4 April 2019
    Published: 15 October 2019
    Abstract: Academic achievement is a comprehensive concept which requires an in depth investigation of the real world and even the students accomplishment in school including progress in core subjects. The purpose of this study is to assess the relationships of parent student interaction, parent school relations and academic achievement in Basoliben woreda. T... Show More
  • Fabrication of Closed-Cell Magnesium Composite Foam with Fine and High Roundness Pore Structure

    Nannan Wang, Jing Wang, Xingchuan Xia, Weimin Zhao

    Issue: Volume 7, Issue 4, August 2019
    Pages: 51-59
    Received: 2 January 2019
    Accepted: 21 January 2019
    Published: 16 October 2019
    Abstract: Though metal foams possess excellent overall performances, its performances behave quite different due to its apparent aperture difference of pores diameter, pores roundness and significant macrostructure flaws, such as sharp edged pores and incomplete cell walls. It is meaningful to reduce macrostructure defects or improve pores structure uniformi... Show More