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- A new type of porous sound absorbing material was made from super-strength gypsum and glass fiber. 摘要以高强石膏为胶凝材料,内掺玻璃纤维,制备出一种新型多孔吸声材料。
- A new sound absorbing material that is good in sound absorbing at the low frequency and high frequency is made from PVC and rockwool in this paper. 利用PVC和无机物等研制了一种性能优良的吸声材料。
- A new type of sound absorbing material was made from super-strength gypsum and glass fiber and the sound absorp-tion coefficient of the material was tested by standing wave tube method. 以高强石膏为主要原料,内掺玻璃纤维,在发泡剂的作用下,制备出一种新型多孔吸声材料,采用驻波管法测试材料的吸声系数。
- This compound materials used in absorbing material is with sound absorbing function and light quality, wide band, good compatibility and strong inoxidizability. 这种复合材料用于吸波材料,它不仅具备良好的吸波功能,还兼备质量轻、宽频带、兼容性好和耐腐蚀性强等优点。
- To soak up or dry with absorbent material. 吸收,吸掉用可吸收物质吸干或吸掉
- Ni-Zn ferrite as an important soft magnetic material and absorbing material will have a bright prospect. 镍锌铁氧体作为一种重要的软磁材料和吸波材料将会有更广阔的前景。
- Results show that the mica ceramicattenuation material is a kind of new high microwave absorbing material which poss... 结果表明,衰减云母陶瓷具有吸收量大、热稳定性高、易于机械加工等特性,是一种新型的大功率微波吸收材料。
- Using FDTD method,the RCS of a missile head coated with absorbing material is analyzed. 应用时域有限差分方法(FDTD)分析涂敷了吸收材料的一种突防弹头的雷达散射截面(RCS)。
- A new type of sound absorbing materials mainly made from low alkaline cement and expanding pearlite has been investigated on the basis of sound absorption principle. 摘要以低?A水泥和膨胀珍珠岩为主要原料,辅之以分散性良好的增强剂聚丙烯纤维,研制出一种新型吸声材料。
- Finally,the carbon nanotubes/epoxy group compound microwave absorbing material was analyzed and its microwave absorbing mechanism was discussed. 最后,本文对碳纳米管/环氧树脂基复合吸波涂层材料进行了研究,探讨了碳纳米管复合吸波涂层材料的吸波机理。
- This paper introduces the synthesis methods of PEDT and simply introduces the applications of PEDT in EMI, radar absorbing material and other fields. 综述了聚乙撑二氧噻吩的主要合成方法及路线,介绍了相关聚合反应机理,并简述了其在电滋屏蔽、吸波材料等各个领城中的应用。
- Abstract: Power station fly-ash cenosphere particles were plated with metal to prepare a light weight microwave absorbing material. 文章摘要: 利用电厂废弃物粉煤灰空心微珠,对其进行表面金属化处理制备了一种低密度的新型微波吸收材料。
- Power station fly-ash cenosphere particles were plated with metal to prepare a light weight microwave absorbing material. 利用电厂废弃物粉煤灰空心微珠,对其进行表面金属化处理制备了一种低密度的新型微波吸收材料。
- With regularly oriented iron fibers,stratified polycrystalline iron fibers absorbing material shows macroscopic electromagnetic anisotropy. 层状多晶铁纤维吸波材料中铁纤维分层取向规则排列,吸波材料表现为宏观各向异性。
- Construction level of shielding chamber and installation method of absorbing material can directly influence performance of anechoic chamber. 屏蔽室的建造水平及吸波材料的安装方式直接影响着电波暗室的性能。
- Abstract: A formulation of radar cross section (RCS) for smooth convex metal objects coated with radar absorbing material (RAM) is derived. 文摘:推导出了光滑凸体金属表面涂敷吸波材料时的后向雷达散射截面(RCS)公式。
- A formulation of radar cross section (RCS) for smooth convex metal objects coated with radar absorbing material (RAM) is derived. 推导出了光滑凸体金属表面涂敷吸波材料时的后向雷达散射截面(RCS)公式。
- A new cement was prepared which consisted of the composite porous sound absorbing material with portland cement, expanded perlite, ceramsite as main raw materials and some supplementary substances. 摘要以普通硅酸盐水泥、膨胀珍珠岩、陶粒主要原料,加以一定的辅助材料,研制出一种新型水泥基复合多孔吸声材料。
- A sound mind is inseparable from a sound body. 健全的精神是与健康的身体是不可分割的。