筛孔

助模板剂对MCM-41分子筛孔结构和性能的影响

Effect of templates on pore structure and performance of MCM 41 molecular sieves

P53蛋白表达的阳性率为36.11%，其中筛孔型为30.77%，腺管型为26.32%，实体型为100%。

Positive rates of P53 Protein were 36.11 % , Cribriform pattern 30.77 % , tubular pattern 26.32 % , solid pattern 100 % .

目前CFD模拟主要集中在筛孔板塔上，而应用十分广泛的F1型浮阀塔板流场的CFD模拟研究却鲜有报道。

But for F1 valve tray , which is used widely in practice , there isn 't any CFD simulation reported .

晶化条件对MCM-41分子筛孔壁厚度与性能的影响

Effect of crystallization condition on the pore wall thickness and performance of MCM 41 molecular sieves

化学气相沉积法对13X分子筛孔径修饰及吸附性能研究

Modification of Pore Diameter and Adsorption Properties of 13X Molecular Sieve Treated by Chemical Vapor Deposition Method

结果：PCNA阳性表达率为77.78%，其中筛孔型69.23%，腺管型78.95%，实体型为100%。

Results : It showed that the positive rates of PCNA were 77.78 % , cribriform pattern 69.23 % . tubular pattern 78.95 % . solid pattern 100 % .

结论：（1）继发孔型ASD形态多样，可以是类圆形、长圆形、筛孔形、裂隙形及不规则形。

Conclusions : ( 1 ) There are variety in morphology of secundum ASD , such as oval , oblong , Swiss cheese , narrow and long and irregular .

这之后才发展了腹膜内高嵌体筛孔技术（IPOM）。

This was followed by the development of the intraperitoneal onlay mesh technique ( IPOM ) .

MEL分子筛孔径略小于MFI分子筛，各种芳烃分子的扩散能垒比在MFI分子筛孔道中的高；

The calculated diffusion energy barriers for the molecules in MEL zeolite were uniformly higher than that in the channel of MFI zeolite due to the smaller pore dimension of MEL .

吡啶在H-MOR分子筛孔道中吸附的量子化学研究

Study on Pyridine Adsorption in H-MOR by Quantum Chemistry

由洛阳石化工程公司研制开发的FSV浮动筛片塔板结合了浮阀与筛孔塔板的优点。

Ray developed by Luoyang Petrochemical Engineering Corpo-ration combines the advantages of valve tray and sieve tray .

为减少对水泥混凝土施工中集料级配控制的难度，提高施工效率，首次通过路用性能试验提出了不同NMPS集料级配的关键筛孔；

To lighten the difficulty in controlling aggregate graduation in construction and improve construction efficiency , we present the key sieve of different aggregate graduation of NMPS through service performance test for the first time .

结果表明：钛已并入MCM-41分子筛中，MCM-41内表面上的硅羟基团是钛并入的主要位置，部分钛在分子筛孔道内。

The results show that titanium is incorporated into the MCM-41 molecular sieve . The silanol groups on the internal wall surfaces of MCM-41 are suggested to be the major sites for titanium incorporation . A part of titanium is in the channels of the molecular sieve .

此外，实验发现，不同喷淋密度下，复合塔板液泛时的筛孔真实气速均为11m／s左右，据此，可推算出复合塔板的操作上限。

Besides , the experiments discovered that the real velocity of the holes at flooding point is about llm 's under different liquid flow rate , according to this the up limit of the compound tray can be reckoned .

综合排名表明，人工锤打脱粒法和木刀脱粒机脱粒法（筛孔直径0.8cm）同为第一，但人工锤打脱粒种子数量偏低，费时费力，经济效益不高。

Comprehensive scoring indicated that both hand threshing and wood knife threshing were the first , but hand threshing gave lower seed number and lower economic profit .

结果表明，在含水率约为17%，转速为4000r/min，筛孔为8mm时，水草粗灰分的去除效果较好，总的去除率达到70.8%，其中硫酸钠的去除率为34.7%。

The result shows that crude ash removal effect for about 17 % moisture , 4000 r / min rotation speed and 8 mm size of sieve pore is the best and crude ash removal rate can reach 70.8 % among which sodium sulfate removal rate is 34.7 % .

在本实验的五种筛孔直径下，压力梯度的实测值与按Poiseuille公式计算的理论值之比约为2&4。

The ratios of the pressure gradients measured in the test to that predicted by Poiseuille equation are about 2 & 4 for the five kinds of diame - ters of sieve pore . Additionally , a simulating test of the pores being partly plugged has been performed .

通过试验研究，文章提出了一种新的板状筛孔装置。

Hence a new type of plate-sieve device has been developed .

试验筛筛孔尺寸与目数的关系

The relation between aperture sizes and mesh numbers of test sieves

筛动脉及其分支、筛孔的显微解剖学研究

Microanatomy Study on Ethmoidal Artery and Its Branch and Ethmoidal Foramen

用衍射方法测量网筛筛孔尺寸

Measuring the Size of a Fine Wire Mesh by Using Diffraction Method

双筛孔式准直器双开式工作面初放期间直接顶控制

Control of nether roof during primary caving at double open type face

随着波的运动，处于通液、通气和阻塞状态的筛孔不断变化。

The state of the holes changes continuously along with the moving waves .

筛孔被致密P&蛋白体堵塞。

The sieve-pore was occluded by the compact P-protein .

筛孔障碍物对半球气云爆燃压力增长机制的影响

Effects of porous barrier on increase mechanism of flammable gas cloud deflagration overpressure

分子筛孔结构和酸性对苯与丙烯烷基化的影响

The Effects of Molecular Sieve Pore and Acid on Benzene Alkylation with Propylene

锥形筛孔塔板孔流系数的研究

Experimental Study and CFD Numerical Simulation on Discharge Coefficients of Tapered Sieve Tray

多降液管筛孔塔板的压力降性能研究

Study on pressure drop characteristics of multi-downcomer sieve tray

随着筛孔直径的减小，压力梯度大大增加。

It will increase sharply with the decrease of the diameter of sieve pore .

通过对级配进行比较分析，提出结构层关键筛孔施工控制指标。

Compare gradation of deferent position , then take construction guideposts of structure level .