Houghton Mifflin Harcourt ScienceFusion: Grade Level Equipment Kit Grade 3 :Contact Us
宫-zong-浩:文博妈的百宝箱 今天分享给大家的资源是美国德州公立小学科学教材《Science fusion》,从Gk到Grade 8(幼儿园-中学),共9个级别,覆盖幼儿园到初中的科学教材,是由霍顿米夫林哈考特集团出版的一套顶级科学课程教材,完美呼应STEM教育。 G3 G4 G5 ▲ G6 4册学生用书 ▲ G7 3册学生用书 ▲ G8 4册...
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Guide for authors About the journal Nano Energyis a multidisciplinary, rapid-publication forum of original peer-reviewed contributions on the science and engineering ofnanomaterialsandnanodevicesused in all forms ofenergyharvesting, conversion, storage, utilization and policy. Through its mixture of articles...
相关研究以“A sinterless, low-temperature route to 3D print nanoscale optical-grade glass”为题于6月1日发表在Science上。06.将蠕变性能提高1000多倍，NASA新合金GRX-810 4月19日，NASA技术团队以“A 3D printable alloy designed for extreme environments”为题在Nature发表了关于最新开发的GRX-810超级合金的...
The conditions in the digester depend on the grade of bauxite; typical temperatures are 150–250°C and pressures are in the range of 150–400 psi. The result of the digestion is the formation of an aqueous solution of sodium aluminate (NaAlO2); impurities in the ore, such as iron oxide...
该研究以“Machine learning–aided real-time detection of keyhole pore generation in laser powder bed fusion”为题发表,研究人员通过同步高速加速器X射线成像和热成像,结合多物理场仿真,在Ti6Al4V激光粉末床熔融过程中发现了两种类型的锁孔振荡;通过机器学习进一步加深了这种理解,并开发出一种以亚毫秒级时间分辨率和...
该研究以“Machine learning–aided real-time detection of keyhole pore generation in laser powder bed fusion”为题发表,研究人员通过同步高速加速器X射线成像和热成像,结合多物理场仿真,在Ti6Al4V激光粉末床熔融过程中发现了两种类型的锁孔振荡;通过机器学习进一步加深了这种理解,并开发出一种以亚毫秒级时间分辨率和...
该温度比将二氧化硅颗粒熔化成连续熔体的烧结温度低500°C。相关研究以“A sinterless, low-temperature route to 3D print nanoscale optical-grade glass”为题于6月1日发表在Science上。 06.将蠕变性能提高1000多倍,NASA新合金GRX-810 4月19日,NASA技术团队以“A 3D printable alloy designed for extreme ...