babble 发表于 2025-3-28 16:06:00

http://reply.papertrans.cn/55/5407/540644/540644_41.png

遗忘 发表于 2025-3-28 18:45:30

Ahmad A. Qahtan,Eslam M. Abdel-Salam,Abdulrahman A. Alatar,Qiao-Chun Wang,Mohammad Faisaled, can prepare children of color to navigate a racist society. Religiously embedded messages of “we’re all God’s children” can unintentionally promote a “color blindness” that further exacerbates this inability to equip children of color. In this chapter, I will briefly review the history and contr

amenity 发表于 2025-3-29 01:30:42

are critical. Piston engines increasingly use multi-grade oils, single grades are still used extensively, with anti-wear and anti-corrosion additives for some classes of engines. The main gas turbine lubricant problem is transient heat exposure, the main base oils used are synthetic polyol esters w
页: 1 2 3 4 [5]
查看完整版本: Titlebook: Kristallisation der Hochpolymeren; Ernst Jenckel,Hanns Wilsing,Heinz Rinkens Book 1958 Springer Fachmedien Wiesbaden 1958 Druck.Gliederung