渗透性

PAMPA is a useful tool in drug discovery for the prediction of oral absorption, brain penetration and for the development of structure-permeability relationships.

本研究旨在通过肿瘤细胞膜渗透模型的建立，对药物的细胞渗透性进行预测。

This product will play important role to improve the cell osmosis and promote the root nutritions absorb.

它的主要功能是增强细胞的渗透性，促进根系养分吸收，提高肥料的利用率。

Analytic solution and numerical solution are obtained for predicting tunnel water inflows and water head under the condition of an exponential decrease of hydraulic conductivity with depth in an isotropic jointed rock mass.

根据各向同性岩石中隔水边界与水平方向的夹角，在岩石渗透性随深度呈负指数衰减条件下，分两种情况给出了二维稳定流隧道涌水量的解析解和数值解。

The parameters of CT perfusion include blood flow,blood volume,mean transit time and permeability surface.

测定病变的血流量、血容积、平均通过时间和表面渗透性。

The field observation of long term settlement of the cofferdam is performed. According to the consolidation test and the permeability test of soft foundation, a new model of settlement prediction is proposed by modifying the classical Grey Model.

对膜袋围堰场地进行了现场沉降观测，根据室内软土的固结试验和渗透性试验，结合观测数据对常值参数灰色模型预测方法进行修正，利用修正模型对围堰的长期沉降进行了预测。

The contents of each case shall be completely weather and dust-proofed by the use of non-permeable film, of suitable strength such as 'Polythene' sheet, tar paper or approved equivalent, to form a sealed moisture barrier.

每个箱内的货物必须保证完全地防尘和不受气候影响，必须使用非渗透性的薄膜加以包裹。

The influence of steam-system key factors on the Long-term volume stability, including shrinkage and creep, of C50 high- performance concrete is systematic studied and the comprison expression between the internal humidity and self-contraction of C50 high-performance concrete is established in the Steam- environment.

系统研究蒸养制度各个关键因素对于C50管片混凝土的抗氯离子扩散性能的影响，并采用灰色关联分析方法对混凝土的氯离子扩散系数与其关联因子进行灰色关联分析，找出影响混凝土抗氯离子渗透性的主要因素。

Study shows that compaction and cementation can play a destructive role in Suining formation reservoir,while dissolution and fracturing can play a constructive role in that.The main facies of Suining formation are ferruginous-shale film,anhydrite,dolomite and calcite.The micro-fracture and grain-edged fracture mainly resulted from compaction fracturing,compaction slipping and tectonic dynamic force greatly improve the reservoir permeability.

研究表明：①对遂宁组储层起破坏作用的是压实作用、胶结作用和交代作用，而溶蚀作用、压裂作用则对储层起到建设性作用；②遂宁组最主要的成岩相组合为铁泥膜－硬石膏－白云石－方解石成岩相；③由压实破裂、压实滑动和构造动力形成的微裂缝、粒缘缝有效改善了储层的渗透性。

Companies into ever-increasing scientific and technological development, organizational experts on rubber, nylon, tetrafluoroethylene modified material production within the core pipe, in the high temperature, flame retardant, antistatic, anti-corrosion, anti-permeability and accumulated rich experience in the field; for hose steel wire or fiber-reinforced imposed to achieve the flexibility and the corresponding voltage; outer metal retaining spring, temperature non-metallic sheath or coating, to ensure that pipeline job effectively.

公司不断增加科技开发投入，组织相关专家对橡胶、尼龙、四氟乙烯材质进行改性生产内芯管，在耐高温、阻燃、抗静电、耐腐蚀、抗渗透性领域积累了丰富经验；为软管施以钢丝或纤维增强、达到了相应的柔性和耐压；外层为金属护簧、非金属护套或耐温涂层，保证管道工作有效。

Broken down as follows according to material pipeline: First, tetrafluoroethylene and composite pipe: lining for tetrafluoroethylene hose, weaving between fiber entanglement for enhanced layer, the outer layer is a protective layer, good flexibility, anti-oil permeability (0.2mg / sq m), temperature reached -60 C - 200 C, resistant to acid, alkali, solvent corrosion, voltage 0.5 - 50MPa, and processing of "Teflon""PTFE bellows" and a variety of high-pressure composite pipe.

一、四氟乙烯及复合管：内层为四氟乙烯软管，中间为纤维编织缠绕增强层，外层是防护层，柔韧性好，抗油渗透性（0.2mg/平方米，耐温达-60°C--200°C，耐强酸、碱、溶剂腐蚀，耐压0.5--50MPa，并加工&铁氟龙&&四氟波纹管&及各种高压复合管。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。