1) multilayer disc gun propellant
多层圆环状发射药
1.
The Ψ-Z curves describing the shape functions of the multilayer disc gun propellant with different parameters were obtained and the combustion model was validated by the interrupted-burning test.
为了模拟和改善多层圆环状发射药的内弹道性能和燃烧性能,建立了一种圆环状多层高能硝胺发射药的燃烧模型,定义了多层环状发射药的缓燃层与速燃层燃速之比K、缓燃层的初始总厚度与药片初始总厚度之比X、以及药片的内外径差与初始总厚度之比(宽厚比)W三个参数。
2) multilayer charge
多层发射药
1.
The sheet multilayer charge with different content of deterrent material and different layer constructions was investigated by closed bomb test and 30 mm simulation gun shootong.
制备了片状多层发射药,内层选用燃速较高的高能发射药,外层为含有高分子阻燃材料的低燃速配方发射药。
3) Multibase propellants
多基发射药
4) scattering by an infinite multi-layered cylinder
多层圆柱散射
5) open work reflector
网状多层反射器
6) Alluvial valley containing multiple circular-arc layers
圆弧状多层沉积谷地
补充资料：发射药
见火药。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条