渗透管

靛酚兰法对氨渗透管渗透率的测定

Permeability determination of nh_3 permeation tube by indophenol

详细阐述了多路外渗式湿度发生器的渗透管选择、多渗透管气路选通方法及硬件结构。

The selection of permeation tube , the method of selecting fitting permeation tube and the structure of this device are described in detail .

三肼渗透管的温度特性

The Temperature Characteristics of UDMH , MMH and Hz Permeation Tubes

研究了对氨渗透管渗透率测定的靛酚兰法。该方法具有简单、灵敏、准确、重复和操作方便等优点。

This method is simple , sensitive , accurate , reproducible and convenient to operate .

可渗透管网络跨壁传输问题的影响线算法渗透，渗透性可渗透的特质或状态

Influence line method for transport problems across the wall of the network of permeable tubes

利用汞渗透管产生的汞蒸气和基本气体成分，在小型固定床试验台上研究了飞灰用量、吸附温度、汞进气浓度及飞灰颗粒大小等因素对燃煤飞灰吸附气态汞的影响。

An experiment was conducted to study the effects of flue gas components on the mercury adsorption by coal-fired fly ash by using a bench-scale fixed bed .

结果：人工血管植入体内后，3天组织液即可渗透管壁，6天炎细胞可穿过管壁；

Results Tissue fluid could infiltrate the implanted artificial vessel wall in three days after operation , and inflammation cells would penetrate the wall in six days after operation .

用恒温水浴中汞渗透管的汞蒸气发生装置和其他烟气主要气体成分模拟烟气条件，在小型固定床试验台上开展钙基类物质作为吸附剂脱除单质汞的试验研究。

The characteristics of mercury adsorption by Ca-based sorbents were experimentally measured in a bench-scale fixed-bed mercury adsorption facility with a mercury permeation tube embedded in an isothermal water bath and simulated flue gas compositions .

实验结果表明，这两种渗透管渗透率测定的不确定度都在±1%以内（95%置信度），并经审定作为中国的标准物质。

Experimental results indicate that the uncertainty of permeation rate of both tubes developed in HIM is within ± 1 % ( 95 % confidence interval ) . The SO2 and NO-permeation tubes described here have been adopted as certified reference materials of China .

模型中假设毛细血管为一可渗透刚性圆柱管，周围组织为各向同性多孔弹性介质。

In this model , capillary is assumed as a permeable rigid cylinder embeded in an isotropic poroelastic medium ( tumor tissues ) .

发现煤气的冷凝液组分已渗透到塑料管壁内，但对于聚乙烯和聚氯乙烯，这些重质烷烃类与芳香烃类混合液是不具化学活性的物理腐蚀介质。

It was found that the condensable compositions of gas diffused into the pipes walls , but these condensed fluids are the category of physical corrosion environments because which are inert materials for PE and R & PVC .

装有或渗透可燃物质的管或线。

A tube or cord filled or saturated with combustible matter .

有软、硬弧可选以渗透不同厚度的管。

Soft or hard arc is selected to permeate different thickness tube .

用双重墨汁渗透牙髓腔根管，脱钙透明法观察前磨牙拔牙标本180颗。

One hundred and eighty extracted premolars were observed with pulp cavity and root canal permeated with Chinese ink and premolars decalcified and transparented .

针对土石坝渗透参数和测压管水位间复杂的非线性关系，应用最小二乘支持向量机于土石坝渗透系数的反演。

In view of complex nonlinear relationship between dam seepage parameters and piezometric tube level , the least squares support vector machine is applied to the back analysis of seepage parameters .

本文介绍了基于高聚物膜渗透原理而建立的外渗式水渗透管微量水发生装置。

A humidity generator of the permeable tube based on the membrane permeation principle of polymeric material is presented .