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There were larger differences in element contents between different organs of mangroves, while sodium distributed equally in the different organs of \%C. eyrei.\%(2)The osmoregulation of 5 mangroves was mainly fulfilled by salt accumulation.(3)Salt exclusion by roots was the most important salt tolerant mechanism of all mangroves. Keeping lower salt contents in above ground organs was the common feature of all mangroves.(4)Except the efficiency in salt exclusion by roots, no apparent deficiencies in element accumulation and distribution could be found between salt excluders \%(K. candel, B. sexangula\% and \%R. stylosa)\% and salt secreters \%(Avicennia marina\% and \%Aegiceras corniculatum).

结果表明:(1)红树植物体内存在一有效的盐分重新分配机制,各器官之间盐分含量差别较大,而甜槠植物体内Na分布相对比较均匀;(2)这5种红树植物主要是通过积累盐分来抵御生境高盐引起的渗透胁迫;(3)根系拒盐是所有红树植物最重要的排盐机制,在满足细胞渗透调节的前提下,保持地上部分器官较低的盐分浓度是所有红树植物的共同特点;(4)拒盐红树植物与泌盐红树植物除根系排盐效率上有所差别外,在植物体各器官元素积累及分配方面,没有明显的差异。

In this paper, the relationship between the permeability of Pinus koraiensis, Larix dahurica, Betula platyphylla, Populus davidiana and the abstract of wood was studied.

木材渗透与木材加工利用的许多方面有着极其密切的联系,在木材内部流体渗透的难易程度直接影响到木材水热处理的质量。

To find and confirm the most effective preparing technology, the effect of sintering temperature and calefactive velocity upon mechanical properties and microstructures of the materials before and after infiltration were studied. In order to control the coefficient of thermal expansion and colors of the glass as well as the fluidity and infiltration property of the melted glass, we modified the formula of the glass.

在材料制备的同时,研究和比较了氧化铝升温速率及烧结温度对玻璃渗透前后材料的力学性能和微观结构的影响,以期寻求最佳的制备工艺;并改进渗透玻璃配方,以调控玻璃的热膨胀系数和颜色以及在高温下的流动性、浸润性。

The Cp curves' shape are cliffy,the pore structure is assorted and pore structure characteristic parameter s mainly are poor.

细管压力曲线上看,曲线较陡,分选差,孔隙结构特征参数总体上较差,与孔隙度、渗透率有一定的关系,大的孔隙对渗透率的贡献最大。

Dehydration process based on hollow fiber composite membrane is one of the crucial and effective methods to remove water vapor from industrial gases such as light hydrocarbon, compressed air, natural gas and so on. Dehydration of propylene with VP method was studied in the thesis. We prepared the PVA/PS、CS/PS and PVA-CS/PS hollow fiber composite membranes by spread method. The permeation behavior of water vapor among coagulable light hydrocarbons through composite membranes and asymmetric membrane was researched by vapor permeation method. Also a differential mathematical model was established which can describe dehydration of gas phase propylene.

本论文以采用蒸气渗透法脱除丙烯中微量水分为目标,制备了 PVA/PS、 CS/PS、PVA-CS/PS 中空纤维复合膜;研究了可凝性轻烃蒸气中的微量水分在复合膜、非对称膜中的渗透行为,建立了描述丙烯气相脱水的数学模型,并进行了模拟计算;深入探讨了水蒸气在交联 PVA 致密膜中的渗透机理。

Dehydration process based on hollow fiber composite membrane is one of thecrucial and effective methods to remove water vapor from industrial gases such aslight hydrocarbon, compressed air, natural gas and so on. Dehydration of propylenewith VP method was studied in the thesis. We prepared the PVA/PS、CS/PS andPVA-CS/PS hollow fiber composite membranes by spread method. The permeationbehavior of water vapor among coagulable light hydrocarbons through compositemembranes and asymmetric membrane was researched by vapor permeation method.Also a differential mathematical model was established which can describedehydration of gas phase propylene.

本论文以采用蒸气渗透法脱除丙烯中微量水分为目标,制备了 PVA/PS、CS/PS、PVA-CS/PS 中空纤维复合膜;研究了可凝性轻烃蒸气中的微量水分在复合膜、非对称膜中的渗透行为,建立了描述丙烯气相脱水的数学模型,并进行了模拟计算;深入探讨了水蒸气在交联 PVA 致密膜中的渗透机理。

Based on hydrogeological data and groundwater chemical analysis data and the theory and methodologies of groundwater chemical dynamics in combination with limited pumping test data, some groundwater chemical index such as activity of component、mineral saturation index are calculated and some hydrogeological parameters such as hydraulic conductively,transmissibility,artual speed of groundwater、specific velocity and groundwater age are also calculated zonally.The above calculation results are beneficial to quantificationally recognize the local hydrogeological conditions and to attest that the confined aquifer of Taconic formation has good permeability and transmissibility and t good renewal ability because of the active groundwater movement.

依据已有水文地质和水质分析资料,运用地下水化学动力学理论和方法,通过水化学指标(组分活度α、矿物饱和指数β)的计算分析,结合有限的抽水试验资料,分区计算出渗透系数K、导水系数T、地下水实际流速U、渗透速度V和地下水年龄t等5项水文地质参数,定量的认识水文地质条件,认证了水源地泰康组承压含水层具有渗透性强、导水性强、地下水循环交替快、可更新能力强等特点。

In these or other processes, the tank is partially drained between cycles to deconcentrate the tank, aeration is provided during backwashing and intermittently while permeating, and/or retentate is withdrawn from the tank during a portion of a permeation step.

在这些工艺或其它工艺中,罐在两个循环之间进行部分排水以稀释所述罐,在回洗期间通气并在渗透的同时间歇地通气,和/或在一部分渗透步骤工艺中,从罐中抽取滞留液。

This rapid continuous inversion method utilize well logging curves to delaminate formation,and integrate auto-delaminate and human-computer interaction delamination to provide reliable initial model for iteration inversion calculation,and in the same time apply resistivity comparison and gamma as the constraint condition to reprocess the data from the inversion, all these improve the precision of this inversion and get the logical resistivity curves of both filter layer and impervious bed.

快速连续反演方法利用测井曲线划分地层,进行自动分层与人机交互分层相结合的方法,为迭代反演计算提供出可靠的初始模型,同时应用电阻率比值、自然伽玛作为约束条件对反演得到的数据进行约束后处理,提高反演的精度,得到合理的渗透层和非渗透层的电阻率曲线,并在理论地层模型和实际测井模型中均进行了测试。

From the dependence of stability and oxygen permeability, the optimum ZrO2 addition to greatly improve the structural stability without deleteriously affecting the oxygen permeab

渗透实验表明,膜的氧渗透通量随ZrO2掺杂量的增加而降低。

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But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊!不用提了。提到肉,真是糟透了。

Tristan, I have nowhere to send this letter and no reason to believe you wish to receive it.

Tristan ,我不知道把这信寄到哪里,也不知道你是否想收到它。