气泡形成

Reducing afterblowing and using the carburant with low nitrogen content are important measure. The kinetics of nitrogen removal from liquid steel under vacuum with reaction between carbon and oxygen was studied on the multi-function induction furnace. The following conclusions were obtained by experiments: The nitrogen removal was obtained by the nitrogen transfer through the liquid steel diffusion layer at 67Pa and 110Pa pressure, and by the gas-liquid surface chemical reaction at 2000P.

结果表明：真空度对脱氮机理有影响，67Pa～110Pa时脱氮为一级反应，2000Pa时脱氮为二级反应，1340Pa时为混合控制；即使在。1％的条件下，碳氧反应亦可显著提高脱氮速度常数促进深脱氮，在RH内通过加强碳氧反应来提高脱氮率理论上是可行的；当钢液内存在内生或外来固态粒子时，有利于钢液中CO及N〓气泡的形成及排除，这时气泡内p〓≈0，有可能使钢液中氮含量低干与系统真空度平衡的氮含量。

Lava from the earth's crust deep place, because the earth's crust deep place's temperature is extremely high, the lava by the volcano rock magma's shape existence, along with the volcanic eruption, the rock magma also spouts the surface along with it, meets the water or the low temperature starts to congeal, because the congealment process air entry, turned solid the rock magma to form the massive air bubbles gradually in the interior, coagulated after completely, has formed the structure unique lava.

火山石来自地壳深处，由于地壳深处的温度极高，火山石以火山岩浆的形态存在，随着火山喷发，岩浆也随之喷出地表，遇到水或低温开始凝结，凝结的过程由于空气的进入，逐渐变成固体的岩浆在内部形成了大量的气泡，完全凝固后就形成了构造独特的火山石。

Cavitation erosion is related to bubbles.Bubbles pop out from drilling fluid in vacuum conditiun and form air mass against cyclinder well.For low resistance to pressure,air mass happen explosion when compressed,making cyclinder wall cavitated.

气蚀发生的条件与气泡密切相关，气泡在真空时从钻井液中溢出形成气团，并紧靠缸壁；气团在压缩时因承压能力低而产生爆炸，从而引起缸壁产生气蚀作用。

The drag force acting on particles by gas phase is calculated based on empirical correlation proposed by Di Felice, and the counter force of particles to gas phase in a gas grid is determined based on PSIC method.

本文对密相流化床内流化过程的模拟较好地复现了气泡在流化床内的形成、分离、移动、长大及破裂的周期性变化以及相邻气泡间的合并和变形过程。

The function is not good , the pump rotation rate is partial to height since device system operation is unreasonable and the pump entrance vapor erodes, that the vapor erodes , the vapor erodes the entry occurrence part in the pump the day afer tomorrow happened , is able to have air bubble in the water, that it may pound machinery on one hand seals off the outside surface soft and floury , makes it's surface damage appear on; That another aspect may make fitting that astiring sound is encircled by also contain air bubble in flow soft and floury film, can not form the stable flow film , brings about the trunk friction that fitting that astiring sound is encircled by face , makes machinery seal damage.

功能不是很好，泵转速，以高度的部分设备系统运行以来是不合理和泵入口蒸汽侵蚀，侵蚀的水汽，水汽侵蚀入境发生在泵一天afer明天发生，能够有气泡的水，它可以英镑机械密封一方面从外表面柔软，粉状，使得表面上出现的损害，这另一个方面可作出恰当的astiring声所包围也含有气泡流软和粉状电影，不能形成稳定的流动电影，带来的躯干摩擦，恰当的astiring声音所包围的脸，使机械密封损坏。

Thermodynamics Analysis of the Relationship Between Pressure and Fugacity of Methane in Hydrogen Attacked Bubbles

是钢中气体析出于钢锭表皮而形成的；钢锭模壁潮湿，或使用的保护渣潮湿，在浇注时蒸发出气体，也会使钢锭形成表面气泡。

Circle centrifugal flotation cell is flotation device which forming by bubble producer and cylinder_circular cone flotation cell.The centrifugal force engendering by high speed pulp can strength the process of bubble_particle collision and mineral froth flotation.

圆形离心浮选机是由自吸式气泡发生器和圆柱—圆锥形分选槽体组成的浮选设备，利用矿浆射流形成的离心力场强化了重力场中的气泡碰撞矿化和泡沫析出过程。

When the sum of the partial pressures ofhydrogen, nitrogen and carbon monooxide in equilibrium exceeds the sum of atmospheric pressureand the additional pressure caused by surface tension of the bubbles, bubbles will grow, subskinbubbles may appear, and in ext...

树枝状结晶形成的微区域中，残余液相的氢、氮和一氧化碳平衡压力之和大于大气压力和气泡表面张力产生的附加压力之和时，气泡就能发展长大，就可能出现皮下气泡，严重时将发生钢锭上涨。

Four kinds of pattens of pressure fluctuation can be obtained with different operating conditions. The bubbling phenomena in pulsed fluidized beds were also observed...

并对脉冲流化床中的气泡现象进行了初步的观察和研究，发现在脉冲流化床中气泡的形成和发展受到了有效抑制，床层中的气固接触效率可大为提高。

The effect of a horizontal immersed tube on the bubbles in a fluidized bed is not the same as that of a vertical tube or plate.

气泡在水平管的底部形成和聚集，由于水平管对上升气泡的阻碍作用，气泡的上升速度沿管表面变化很大。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。