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- FONG C W and MOY B K. Ballistic criteria for propellant grain fractur e[J]. J Ballistics 1982,6: 1410. 黄洪勇;王泽山.;两种工艺制造的低温感包覆火药性能的比较研究[J]
- Herb Chelner,Jim Buswell,Dan evans.Embedded sensors for monitoring solid propellant grain. 余宏发.;光纤传感器在固体发动机测试中的应用
- The insulation layer, artificial debond layer and propellant grain in solid rocket motor chamber (SRM) are all polymer composite systems. 固体火箭发动机燃烧室内绝热层、人工脱黏层及推进剂药柱,均为高分子材料复合体系。
- The crystallization of RDX from a tubular composite modified double-base propellant grain has been investigated with a scanning electron microscope. 用扫描电子显微镜研究了含RDX的管型改性双基推进剂的晶析情况。
- After having solved the aging problems of beams,the long term ag-ing effect of a solid propellent grain is also analyzed as an example. 在对梁的受拉伸与自重情形下的老化作了分析后，举例分析了真实固体火箭发动机药柱的长期老化效应。
- The burning rates of the propellants grain coated by silicon rubber at the pressure range from 30 to 80 MPa were measured by the Crawford test. 指出选择传热系数小、黏接可靠的包覆材料是保障高压高燃速火药测试准确性的关键技术。
- Deformation of solid propellant grains under axial acceleration load 轴向过载下固体推进剂药柱变形研究
- The grain crop has gone down this year. 今年的粮食作物产量下降了。
- How can we remove the husk of the grains? 我们怎样去掉谷物的外皮？
- Development of dampproof coating applied to composite soild propellant grain 复合固体丁羟推进剂药柱表面防湿涂层研制
- The hen pecked up the grains on the ground. 母鸡啄起地面上的谷粒。
- The coffee grains plugged up the kitchen drain. 咖啡渣堵塞了厨房的排水道。
- The company is an international trader in grain. 这家公司是国际粮食贸易公司。
- Their speculative buying of grain is illegal. 他们投机购买谷物是不合法的。
- Bad luck goes against the grain. 厄运总是令人讨厌的。
- Stores of grain are frequently attacked by pests. 储存的谷物经常受到害虫的破坏。
- Our grain output will be3.7 times that of1960. 我们的粮食产量将是1960年的3。7倍。
- Structural integrity analysis for the canular solid propellant grains subjected to temperature loading 温度载荷下带筋套管形装药结构完整性分析
- Transient temperature and stress analysis of propellant grains during cooling process after curing 固化降温过程中推进剂药柱的瞬态响应分析
- They are separating the grains from wheat with a threshing machine. 他们正在用打谷机给小麦脱粒。
