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) very large aperture
超大孔径
1.
According to Schupmann telescope,a hybrid reflective and diffractive telescope with very large aperture about 25 m was designed,using two binary optical elements as its objective and eyepiece,and the diffuse spot size and MTF function of the telescope could meet requirements.
分别利用两个二元光学器件作为系统物镜和目镜,依据Schupmann望远系统设计了25 m口径超大孔径反衍混合望远系统,弥散斑大小以及MTF函数都能够达到设计要求。
5) Biporous bead and superporous bead
双孔和超大孔
6) large pore size ultrafiltration membrane
大孔径超滤膜
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