1)Ethmoidal foramen筛孔
1.Dacryon point,ethmoidal foramen,frontoethmoidal suture and the orbital opening of the optic canal were observed.方法:在手术显微镜下观察20例(40侧)成人颅骨标本和15例30侧经10%福尔马林固定的成人尸头标本眶内侧壁的Dacryon点、筛孔、额筛缝及视神经管眶口。
英文短句/例句
1.button-screen pipe筛孔中有过滤网的衬管
2.Screen plants--Codification for designating perforationsGB/T10061-1988筛板筛孔的标记方法
3.Both single and double screen deck, stainless slot deck and woven wire cloth are available, the sieve size should be dpecified.系列筛机分单层、层筛面，筛孔有冲孔编织，特殊需要可商定，并提出筛孔尺寸。
4.Microanatomy Study on Ethmoidal Artery and Its Branch and Ethmoidal Foramen筛动脉及其分支、筛孔的显微解剖学研究
5." Test sieves--Metal wire cloth, perforated metal plate and electroformed sheet--Nominal sizes of opening"GB/T6005-1997试验筛金属丝编织网、穿孔板和电成型薄板筛孔的基本尺寸
6.Glitsch combined valve and sieve tray格利奇浮阀-筛孔混合塔盘
7.the number of opening per inch of a screen; measures size of particles.每平方英寸的网或筛孔数。
8.Perforated like a sieve.筛状的象筛子那样穿有小孔的
9.Synthesis of MCM-41 Mesoporous Molecular Sieve and Zeolite Membranes;MCM-41介孔分子筛及分子筛膜的制备
10.Slots with round end and slots with square end plate screensGB/T12620-1990长圆孔和长方孔筛板
11.Round and square perforation plate screens-Thickness of 3 mm and aboveGB/T10613-1989板厚≥3mm的圆孔和方孔筛板
12.SYNTHESIS OF MESOPOROUS MSU-1 SILICA WITH NARROW PORE SIZE DISTRIBUTION窄孔分布介孔分子筛MSU-1的合成(英文)
13.Study of TS-1 with Micro-and Mesoporous Structure;微孔—中孔复合分子筛TS-1的研究
14.The Synthesis, Characterizations and Properties of Novel Micro/mesoporous and Bi-micro/mesoporous Composite Molecular Sieves新型微孔—介孔和双微孔—介孔复合分子筛的合成、表征及其性能
15.The Synthesis of Mesoporous Materials and the Encapsulation of Rhodamine B in Mesoporous Materials;介孔分子筛的合成及Rhodamine B在介孔分子筛中的组装研究
16.A perforated iron plate or screen for sieving and grading crushed ore.篦条筛用于筛选粉碎的矿石并分级的有孔铁板或铁筛
17.Solid State NMR Studies of the Acidity of Microporous and Mesoporous Materials;微孔、介孔分子筛材料酸性的固体核磁共振研究
18.A Novel Method for the Preparation of Micro/mesoporous Composite Molecular Sieves;一类新颖的微孔—介孔复合分子筛的合成方法
相关短句/例句
mesh[英][me?][美][m??][筛]目;筛孔
3)screen mesh筛孔，筛眼
4)mesh sieve筛孔筛
5)screen hole筛眼，筛孔
6)drilled screen baskets孔筛
延伸阅读
筛孔塔板分子式：CAS号：性质：是一种带有降液管的塔板，其上开以筛孔，气体通过筛孔上升，穿越液层，形成鼓泡区，进行传质。筛孔大小根据具体情况而异。在空分精馏塔等低温装置中，筛孔直径小到0.9mm左右；早期酒精工业常用的孔径为2～3mm；近代的筛板塔的筛板孔一般用4～8mm；对于大型塔及易产生堵阻的情况，可用10～25mm的筛孔。过去往往认为筛板塔操作是不稳定的，现已设计出具有一定操作弹性的筛板，对于筛板水平度等的要求，亦并非过于苛严。目前，筛板塔仍较广泛地应用于化工生产装置中。
