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Abstract The Hugoniot parameters of U71Mn steel under high pressure were studied by hypervelocity impact test with two-stage light gas gun. plate sample was carried out means symmetrical impact. minimum speed 1.843km/s and the maximum 5.018km/s. relation parameter C λ, then accuracy is verified according to equation state (the relationship curve between density). research results can provide re...

Dalam perkembangan teknologi pengecoran logam, burner yang baik adalah menghasilkan panas optimal dalam membakar tungku peleburan logam sehingga dapat mempercepat leburnya logam. Burner sebagai alat mengatur pembakaran melakukan pencampuran antara udara dan bahan bakar dihasilkan meningkatkan efisiensi pembakaran. Tujuan penelitian ini untuk merancang tipe gun berbahan LPG mengarah pada produks...

This comment on Thomas Marvell’s “The Impact of Banning Juvenile Gun Possession” analyzes Marvell’s empirical findings and their policy implications for gun control legislation. While Marvell’s article stresses the absence of any finding favorable to juvenile gun bans, this comment points out that the statistical results actually support the stronger finding that some of the juvenile gun bans a...