1) ultra micro-perforated panel
超微孔板
1.
The manufacture technique of micro-perforated panel and ultra micro-perforated panel is discussed,then its advantages and disadvantages are pointed out.
笔者介绍了近年来与微穿孔板共振吸声结构相关的理论研究,包括微穿孔吸声结构的吸声特性以及吸声带宽的理论极限;探讨了微穿孔板和超微孔板的制造技术及这些技术的优缺点;分析了组合微穿孔结构的相关理论计算及试验仿真。
2) extra-large-micropore
超大微孔
1.
Recent advances achieved in novel molecular sieves,such as molecular sieves containing extra-large-micropore,mesopore and double four-memebered ring(D4R) are introduced.
对近年来新合成的分子筛材料,如超大微孔分子筛、介孔分子筛、含D4R结构单元的分子筛的孔结构及合成技术进行综述,并探讨了这些新分子筛材料在催化裂化过程中的应用前景。
3) Super Tiny Hole
超微孔道
4) ultramicropore
[,ʌltrə,maikrəu'pɔ:]
超微孔隙
5) super-microporous SiO2
超微孔SiO2
6) Microperforated panel
微穿孔板
1.
Using transfer matrix method to analyze microperforated panel absorber s acoustic characteristic;
用传递矩阵法分析微穿孔板的声学特性
2.
The possibility and the significance of replacing fibred absorption materials by fibreless materials,especially by microperforated panels,are discussed.
简要地介绍了吸声材料的基本特点，阐述了无纤维性吸声材料（特别是微穿孔板吸声结构）取代传统的纤维性吸声材料的可能性及其重要意义，较详细地介绍了近年来德国以及我国科研人员在无纤维吸声材料研究上所取得的进展。
3.
A calculating program of microperforated panel construction is worked out in this paper.
文中编制了微穿孔板结构的数值分析程序，通过计算实例，对微穿孔板结构的声学特性进行了探讨。
补充资料：大微
1.见"太微"。
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