筛分子

莲幼苗的胚根发育及其筛分子研究

The development of the radicle and the study of the sieve element of the seedling of Nelumbo nucifera

筛分子内有较丰富的线粒体、P型质体，有些筛分子有珠光壁。

The SEs were rich in mitochondria , P type plastids , and some SEs had nacreous wall .

开花后14～20d，筛分子内有较丰富的线粒体、P型质体和许多无定型丝状物，有些筛分子有珠光壁。

From 14 th to 20 th after anthesis , the SEs were enriched with mitochondria , P type plastid , and many microfibril like structures .

11种裸子植物筛分子质体的超微结构及分类

The Sieve Element Plastid Ultrastructure of 11 Gymnosperm Species and Its Taxonomical Significance

其中最明显的相似之处，是木质部中的导管和韧皮部中的筛分子与伴胞。

The most conspicuous similarity lies in that the xylem contains vessels and the phloem , sieve elements and companion cells .

合成分子筛中分子筛含量测定方法&三点高度角度差乘法求衍射强度比

Measurement of the crystallinity of synthetic molecular sieves & three point method

介孔分子筛及分子筛主体-纳米客体复合材料研究近年来引起人们极大的兴趣和关注。

Mesoporous molecular sieve and molecular sieve host-guest nanocomposite materials are of great research interests recently .

无机微孔材料的定向合成是目前国际微孔分子筛与分子工程学研究领域的重要前沿方向。

The rational synthesis of microporous materials is an important branch of today 's molecular sieve research .

沸石分子筛具有分子大小的均匀孔道结构和大的比表面，在催化研究中有着广泛的应用。

Zeolite , which have uniform pore structure and large surface area , is studied in a wide range of catalytic applications .

MCM-22型分子筛中苯分子吸附行为的分子动力学模拟

Diffusion of Benzene in MCM-22 Zeolite : A Molecular Dynamics Study

通过XRD和FT-IR等分析手段跟踪钛硅分子筛晶化生成分子筛的过程，并探讨了钛硅分子筛晶化生成分子筛的晶化机理。

XRD and FT-IR spectroscopy were used to trace crystallization course in the forma-tion of titanium silicalite molecular sieve , and its crystallization mechanism was discussed .

考察了不同粒度的4A分子筛对PU/4A分子筛复合材料力学性能、耐溶剂性能的影响。

It was investigated that the effect of different particles size of zeolite 4A on the mechanical properties and solvent resistance of PU / 4A composites .

以MCM-41分子筛与HY分子筛以及γ-Al2O3为载体的催化剂的萘加氢活性更高，形成载体的不同分子筛之间存在着协同作用。

The catalyst with HY and MCM-41 mixture as supports showed higher activity , the synergistic effect for hydrogenation of naphthalene was found among the molecular sieves forming the supports .

考察了不同筛分方式处理的分子筛对PU/4A分子筛复合材料力学性能、耐溶剂性能的影响，并以DSC分析了分子筛对PU/4A复合材料的硬链段结晶形态及耐热性能。

It was investigated that the effect of different methods of screen separation to zeolite 4A particles on the mechanical properties and solvent resistance of PU / 4A composites . The heat resistance and morphology of hard segment of PU / 4A was analyzed by DSC .

模型分子筛对水分子的吸附

Adsorptive of Water Molecule in Model Zeolite

分子筛对不同分子的饱和吸附量大小顺序为萘、四氢萘及丁基苯。

The order of saturated adsorption amount from big to small is naphthalene , tetralin and butylbenzene .

超微沸石分子筛是目前分子筛领域的主要发展趋势之一。

Ultramicro zeolite molecular sieving is a main trend in the development of molecular sieving field at present .

Ag~+交换沸石分子筛吸附小分子的结构与电子性质的密度泛函理论研究

Density Functional Theory Study on Structural and Electronic Properties of Ag ~ + Exchanged Zeolites and Its Adsorbing Small Molecules

再生过程中，分子筛将从分子筛床层移至下游设备，但一般为少量移动。

Molecular sieve will migrate , albeit generally in small amounts , from the molecular sieve beds to downstream equipment during regeneration .

C5烷烃分子在AlPO4-5分子筛中吸附的分子模拟研究

Molecular simulation of C_5 paraffins sorption in AlPO_4-5 Molecular sieves

模板剂与MCM-22分子筛匹配作用的分子模拟计算

Computational Study on the Interactions between the Templates and MCM-22 Zeolite

USY分子筛的结构对分子筛/Ni（OH）2复合超级电容器电极材料比容量的影响

The Influence of Zeolite Structure on the Specific Capacitance of Zeolite / Ni ( OH ) _2 Composite as Supercapacitor Electrode Materials

SELEX技术的一个突出特点是可以盲筛获得未知靶分子的特异性适配子。

Screening out specific aptamers to unknown target molecules is the outstanding characteristic of SELEX .

借助于纯组分等温线数据，经数值法求解上述模型，获得了氮、氧二元混合物在5A沸石分子筛柱和炭分子筛柱内的共吸附穿透曲线。

By means of the pure - component isotherms , the numerical solutions to the model give the breakthrough curves for oxygen-nitrogen system in fixed beds of MSZ-5A and MSC .

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 .

结果表明，Fe3+离子进入了分子筛骨架，Fe-MSU-1分子筛具有均一的蠕虫状介孔结构，平均孔径约为2.9nm。

The results showed that Fe3 + ions were successfully incorporated into the framework of MSU-1 , and the Fe-MSU-1 material had a uniform worm-like mesoporous structure with about 2.9 nm pore diameter .

-1时，吸附在分子筛孔道的苯分子发生了重排。

~ ( - 1 ), the benzene molecules adsorbed in the Silicalite-1 zeolites channel are rearranged .

介绍了微波在常规沸石分子筛、纳米沸石分子筛合成及其制备过程中的应用；

The application of microwave to synthesis and preparation of normal and nanosized ( zeolites ) is introduced .

本文利用沸石分子筛选择性吸附的原理，首次研制出了适合于烟草工业应用的改性Y型分子筛和二元分子筛复合滤棒，进行了卷烟降焦减害的实验研究。

The improved Y type molecular sieve was firstly applied in cigarette filters for removal of some harmful smoke components .

还讨论了新型分子筛的开拓、分子筛制造中的工程开发和分子筛催化与分离相结合发展的新工艺。

The development of new molecular sieves , engineering development in the manufacture of molecular sieves and combination of zeolite catalysis with separation technology are also discussed .