查询词典 separation layer

For the first time, the pervaporation composite membranes with thickness of 5-30μm phosphatic poly active layer were prepared and utilized for the separation of ethanol-water mixture and in the coupled membrane reactor.

首次以磷酸酯化聚乙烯醇为活性分离层制备了活性层厚度为1-30μm的PPVA复合膜，并用于乙醇-水混合物的分离及复合膜反应器中。

Then the flow in the curved pipe and reducing pipe was simulated through using CFD software, know that fluid passing curved pipe, reducing pipe can form secondary flow, vortex shedding, circumfluence, occur separation of boundary layer and periodic circulation flow, make the fluid pulsant, then cause the pipe vibrancy.

然后再应用通用CFD软件对具有弯曲和变径的热风炉管内流场进行模拟，得到当流体流过弯管、文氏管后形成了二次流、环流，并发生边界层分离和周期性旋涡脱落，它们会使后面的管流处于脉动状态，脉动状态的流体在管内流动时，会引起管道系统产生振动。

On the basis of Veldman model of interaction between a boundary layer andpotential flow,this paper describes a method for calculating end wall boun-dary layers with turbulence separation bupbles.

本文根据Veldman的边界层与势流相互作用模型，提出了一种带有湍流分离气泡的端壁边界层的计算方法。

Advances in the separation of metal chelates by liquid chromatography, including thin-layer chromatography and column chromatography were reviewed and their applications in analysis of metal ions were given as will.

综述了用薄层液相色谱法和柱液相色谱法分离金属螯合物的进展及其在金属离子分析方面的应用。

In this paper, a numerical procedure is developed to study the influence of the creep deformation on the separation between concrete slab and cushion layer in high CFRD.

采用基于直接约束算法的接触力学分析方法模拟了混凝土面板和堆石体之间的接触关系。

The conclusion is the same as the control of airfoils boundary layer separation.

4对于附面层弱分离的超临界机翼，适合采用高度较小的微型涡流发生器，既具有较好的减阻效果，又不使升力产生较大损失，这与涡流发生器对翼型附面层分离控制得到的结论一致。

Centrifugall separation self-propagating high-temperature synthesis is apphed to prepare a new type of Fe-Cr-Ni-Al2O3 intermetallic compound ceramic-lined composite pipe with FeNi alloy transition layer.

采用离心分离自蔓延技术，制备出了一种新型的具有FeNi舍金过渡层的Fe-Cr-Ni-Al2O3金属间化合物梯度复舍管。

According to this problem, membrane support layer structure is added into the computational simulation region in this paper, to establish an extended model of concentration polarization during gas membrane separation.

针对此问题，本文将膜支撑层结构加入到计算模拟区域，建立了气体膜分离浓差极化的扩展模型。

Beihong Road Lower Grade Separation Project in the Middle Ring Line of Shanghai is the first case to adopt the pipe roof- box culvert jacking construction technique in China,and is also the largest sectional size of pipe roof process project constructed in the soft soil layer on the world.

上海市中环线北虹路下立交工程是我国第一次采用管幕-箱涵顶进施工技术，也是世界上在软土地层中施工的断面尺寸最大的管幕法工程。

In order to prevent this kind of pollution, often spreads the organosilicon water-repellent, the polymer cement mortar, the emulsion resin, the epoxy resin etc on the inside surface of the quartz stone , although it can have certain protection effect, but also has the following insufficiency: Uses organosilicon water-repellent processing, the quartz stone material, cement and the mortar cannot form a sealed surface layer, is unable to suppress the hoar frost separation and the rain spot effectively; Uses polymer cement processing, not only material itself includes the hoar frost ingredient, moreover the water permeability is big, the protection effect is also not ideal

为防止这类污染，常在石材内面涂上有机硅防水剂、聚合物水泥砂浆、乳液树脂、环氧树脂等，虽能收到一定的防护效果，但也存在以下不足：采用有机硅防水剂处理，石材与砼、砂浆被贴面不能形成密封层，无法有效抑制白霜析出物和润斑；采用聚合物水泥处理，不仅材料自身含有白霜成分，而且水渗透率大，防护效果也不理想

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷