Many vessel numbers, small pore, libriform fibres (mechanical tissue)and obvious secondary thickening of xylem tissue are the features of adaptation to the environment.
红树植物导管数量多、管孔小、机械组织为韧型纤维，薄壁组织次生加厚明显是适应环境的特征。
Low permeable reservoir is mainly featured by small reservoir pore, fine throat, high filtration resistance, low oil productivity and low water absorbing capacity.
低渗透油藏的主要特点是储层孔隙小、喉道细、渗流阻力大，油井产油能力和吸水能力都非常低。
Anthracite char has poor pore structure and small specific surface area.
无烟煤焦分支孔贫乏，比表面积很小。
The pore structure changes of the PAN fibers were characterized by synchrotron radiation small angle X-ray scattering.
采用同步辐射小角X射线散射研究了PAN原丝制备过程中纤维孔结构的演变。
Additionally, small Angle Xray scattering (SAXS) method was used to measure the pore size distribution and average pore size of the PES membrane.
用小角X射线散射法测定PES超滤膜的孔径分布及其平均孔径。
The main characteristics of low permeability reservoir are small reservoir pore, fine throat, high seepage resistance and low water intake capacity.
低渗油藏的主要特征是具有小孔隙、细喉道、高渗流阻力和低吸水能力。
Conclusion Small diameter grafts with proper pore sizes, porosity, matching compliance can be obtained by selecting PU materials and optimizing the preparation conditions.
结论通过选择材料和优化制备条件，可制得具有合适孔径和孔隙率，顺应性和其它性能与天然血管匹配的PU小径血管。
With the increase of reaction time, acidic concentration, temperature and anodize voltage, the membrane would become thick and the pore density become small.
随着时间的延长、酸浓度的增加、温度的升高和电压的增大膜厚增加，孔密度下降。
However, to date porous MOFs are still largely restricted to the microporous regime despite negative impact of their small pore size on diffusion and mass transfer for their practical applications.
然而，到目前为止多孔金属-有机骨架一直限制在微孔范围，其较小的孔道不利于物质扩散和传输，从而限制其实际应用。
Many adolescent young GG and MMS nose has many small black dots, careful observation will find each pore is become black.
许多青春期年轻GG和MM们鼻子上都有许多黑色的小点点，仔细观察会发现每一个毛孔都变成黑色的了。
It is suggested that the long-term polymer drive has resulted in enlarging some small pore throats, improving the communication among pores and reducing pore tortuosity in the reservoirs.
通过分析认为，储层经过长期注入聚合物后，使一部分小喉道变大，孔隙之间的畅通性进一步变好，孔隙迂曲程度减小。
Flame arrester is application by hot conductor, due to the small pore of the heat loss and out of the principle design and manufacture.
阻火器是应用火焰通过热导体的狭小孔隙时，由于热量损失而熄灭的原理设计制造。
The porosity is mainly the kind of intergranular pore, especially the kind with small-middle or middle pore and big pore.
孔隙主要类型主要为粒间孔隙，且以中孔中细喉型和大孔细喉型为主。
The hole has the pore and the small hole, the seam has the tiny crack and the dynamic change obvious seam obviously.
孔有毛细孔和可见小孔洞，缝有微细裂纹和动态变化的可见缝。
An optoelectronic inspection system based on the direct imagery theory is presented for non-contact observation of the micro-profile of a small area, especially that of the underside of a micro-pore.
针对微小面积，特别是微小“盲孔”底面形貌的非接触精密检测，提出了一种基于直接成像原理的光学结构。
The small pore size PVDF UF membrane with high Flux was studied in this paper.
本文主要研究了高通量小孔径PVDF超滤膜。
This was because the pore space of low permeating and porous medium was very small.
这是因为低渗透多孔介质的孔隙很小，微小的孔隙度变化也会对渗透率产生较大的影响。
A method for testing the adsorption performance of active carbon spheres of small pore diameters was established for the quality control.
建立了紫外比色法测定小孔径球形活性炭吸附性能。
It is especially suitable for plugging high permeable, macro pore path formations and convenient for field operation with a small amount of volume and a low cost, obtaining a good effect.
尤其适应于封堵高渗透、大孔道地层，且现场施工简便、施工用量少、成本低，取得了很好的应用效果。
Nonwoven oil sorbents offer structurally important characteristics of small pore structures and the strength which enables the sorbent materials to be used in some tough conditions.
非织造吸油材料具有微小孔隙且强度高，能在某些恶劣条件下使用。非织造吸油材料的完整性能降低使用成本和回收成本。
A novel small pore (metallo) aluminophosphate molecular sieve is disclosed.
公开了新型小孔(金属)铝磷酸盐分子筛。
The controling factor of remaining oil distribution is pore configuration. Remaining oil is mainly in the middle and small pores currently.
剩余油微观分布特征主要受储层孔隙结构控制，目前剩余油主要分布在中小孔隙中。
The differentiated cell gets out of the cyst through a dorsal small pore of cyst wall and becomes a morphologically normal ciliate.
细胞通过包囊壁背面小孔脱囊而出，恢复成为正常形态的纤毛虫；
The nanometer-level hollow hydroxylapatite material produced by the method is small in particle size, large in pore volume and surface area;
本发明羟基磷灰石纳米空心材料粒径小，孔体 积和表面积大；
The method combined the hot pressure casting-shaping technique with organic foam small-sphere as pore-making reagent.
该技术是把有机泡沫微球作为成孔剂与热压注成型技术结合的制备技术。
The cellulose triacetate (CTA) prepared by heterogeneous acetylation and coated on small pore 3 aminopropyl silica gel (10nm) was used as chiral stationary phase for HPLC (OA column).
合成了纤维素三醋酸酯，并被涂于小孔硅胶上制备成HPLC手性固定相。
The cellulose triacetate (CTA) prepared by heterogeneous acetylation and coated on small pore 3 aminopropyl silica gel (10nm) was used as chiral stationary phase for HPLC (OA column).
合成了纤维素三醋酸酯，并被涂于小孔硅胶上制备成HPLC手性固定相。
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