难解 发表于 2025-3-25 05:53:50
R. W. J. Keayhmolzen werden. Hierzu werden koksgefeuerte Tiegelschmelzöfen verwendet; neuerdings sind hierfür aber auch Öfen mit Generatorgasheizung und elektrische Schmelzöfen gebaut worden. Da flüssiges Aluminium begierig Eisen und Silizium aufnimmt, nimmt man zweckmäßig eisen- und siliziumfreie Graphittiegel,macular-edema 发表于 2025-3-25 10:44:53
http://reply.papertrans.cn/48/4729/472893/472893_22.pngPHONE 发表于 2025-3-25 15:08:01
http://reply.papertrans.cn/48/4729/472893/472893_23.pngemployor 发表于 2025-3-25 16:37:35
http://reply.papertrans.cn/48/4729/472893/472893_24.pngCritical 发表于 2025-3-25 22:58:20
Human Biochemical Developmentnvolved in anabolism are particularly active in early development, whereas those involved in catabolism are less active or even virtually absent (Sereni and Principi, 1965). The differentiation of tissue function, i.e., enzymatic differentiation, is the result of the synthesis of new enzymes rather红润 发表于 2025-3-26 03:56:54
http://reply.papertrans.cn/48/4729/472893/472893_26.pnginhibit 发表于 2025-3-26 05:55:05
physics of superconductors which took place in May of 1965 and 1966. These annual conferences, held at the A. A. Baikov Institute of Metallurgy of the Academy of Sciences of the USSR, have quickly become part of the scientific life of the country, and are already a tradition. More than thirty papersInnovative 发表于 2025-3-26 09:12:13
http://reply.papertrans.cn/48/4729/472893/472893_28.pngPalpable 发表于 2025-3-26 15:40:13
http://reply.papertrans.cn/48/4729/472893/472893_29.png婴儿 发表于 2025-3-26 17:16:06
http://reply.papertrans.cn/48/4729/472893/472893_30.png