泡沫层

HYFXJ浮选机对粗粒煤粒的浮选，因有一个稳定的静态泡沫层也可达到显著的回收效果和高的产品质量。

HYFXJ floatation unit has outstanding separation efficiency for the coarse coal particle due to the stable static foam layer .

铝土矿浮选过程中，泡沫层能够直接反应浮选的质量指标。

During the mineral flotation process , foam layer can be a direct response to the quality indicators .

UCI数据集的仿真结果表明了所提算法的有效性。最后，在研究铝土矿泡沫层表面视觉特征与浮选工况关系的基础上，提出了基于改进的SVM多类分类算法的铝土矿浮选工况识别方法。

The UCI data sets simulation results show the effectiveness of the proposed algorithm . Finally , in the study of bubble bauxite layer surface relations on the basis of visual characteristics and flotation conditions , bauxite froth flotation working conditions recognition based on SVM multi-class classification algorithm is proposed .

以溶质渗透理论为基础，建立了泡沫层的传质模型，根据泡沫层的传质模型和规整填料的FBR传质模型，获得了预测复合塔板传质效率的模型。

The mass transfer model of the foam was established on the basis of the penetration theory , and the mass transfer model of the compound tray was obtained according to the mass transfer model of the foam and FRB model in packing .

研究了通过提取煤浮选泡沫层图象的特征量，建立数学模型预测精煤泡沫的灰份和浓度；将泡沫图象按结构进行分类，利用泡沫结构特征识别的LVQ神经网络模型建立浮选控制系统。

Through distilling the characteristics of foam image , this paper studied the mathematical model of the ash and density of foam of flotation coal , classified foam image by their structure , established a flotation control system on LVQ nerve network model of recognition of foam framework .

煤泥浮选泡沫层中气泡特征的提取

Bubble Feature Extracting Based on Image Processing of Coal Flotation Froth

多界面检测系统对泡沫层的识别

The Identification of the Foam for Multi-phase Interface Measurement System

准确检测泡沫层厚度值是对其进行控制的前提。

Accurate detection of froth depth is the prerequisite for controlling it .

几种矿物颗粒在泡沫层中的沉降速度

Experiment on Settling Velocity of Mineral Particles in Froth Layers

氮气泡沫层内封堵工艺在稠油冷采中的研究与应用

Nitrogen foam in-layer plugging for cold heavy oil production

复合材料层板由玻璃纤维和树脂混合层以及泡沫层组成。

The composite material sheet is made of the fiberglass , colophony and foam .

增加聚氨酯泡沫层厚度，降噪效果并没有明显提高。

With further increase of PU foam thickness , the noise reduction is not obvious .

泡沫层生化反应降解表面活性剂

The degradation of surfactants in foam

泡沫层表而颗粒浓度随着表观气速的增加和溢流堰高度的降低而增大。

The surface particle concentrations will increase with increase superficial gas flow rate or decrease weir height .

防护包完美平衡的设计，兼具重量轻及热成型薄片泡沫层的高保护性。

Engineered to embody the perfect balance , the CCC-1A is a very lightweight yet highly protective case .

因此需使用消泡剂来降低泡沫层的高度，并抑制泡沫的产生。

So a certain kind of antifoaming agent is needed to lower the foam layer and prohibit from foaming .

泡沫层厚度是硫浮选过程的重要参数，直接影响硫浮选的回收率和精矿品位。

Froth depth is a key parameter in the flotation . It directly affects the sulfur flotation recovery and concentrate grade .

泡沫层中的脂肪物质离能利用脂肪的细菌相当远。

In the scum layer , these fatty materials may be rather remote from the bacteria that are capable of utilizing them .

结果表明，复合型塔板能有效地抑制泡沫层高度和细化气泡直径，减少雾沫夹带，提高塔板效率。其中将填料置于距塔板一定高度的复合型塔板消泡效果最好。

The results show that combined tray can effectively restrain foam height and bubble diameter , decrease entrainment , and enhance tray efficiency .

经过这一考验，他们能够填补喷雾泡沫层的裂缝，创造了非常紧张的建设。

After that test , they were able to fill the cracks on the floor with spray foam , creating a very tight building .

在完成上述实验之后，测试了不同消泡构件对降低易起泡物系泡沫层高度的效果。

After the experiments are finished , the effects of the different bubble-removing components to reduce the foam height of the frothing system are measured .

根据延迟焦化装置泡沫层的特点，研制了消泡性能较好的消泡剂。

Considering the distinction of the foam layer , a kind of antifoaming agent both of better antifoaming and of better suppressing-foaming characteristics is developed .

随气体流量增加或泡沫层表面颗粒浓度增大，颗粒夹带量会增加；随泡沫层高度增加，颗粒夹带量减少。

With increasing gas flow rate or surface particle concentration , particle entrainment rate will increase while with increasing froth height , particle entrainment rate decreases .

咖啡上的牛奶泡沫层有隔离作用，持续保留温度，能让咖啡的热度更持久一些。

The foam on top of the cappuccino acts as an insulator and helps retain the heat of the liquid , allowing it to stay hotter longer .

同时还测定了泡沫层高度对板效率的影响，从而为复合塔板设计参数的选择提供依据。

It was also measured the effect of froth height on tray efficiency . Thus , we can offer the basis for determining the design parameters of compound tray .

目前，浮选柱泡沫层厚度、充气量大小等操作参数的控制主要是根据有经验的浮选操作工的观察来调整。

At present , the operators , according to the experience , regulate the operating parameters by hand , for example froth depth , the aeration rate and so on .

掌握了不同疏水性，不同粒度颗粒在泡沫层中的运动规律以及粒级大小对矿粒在泡沫层中的沉降速度的影响。

The kinesic regularity of particle which is different hydrophobic and different sizes , and the effect of size to the settle velocity when particle settle in bubble-bed have been gained .

由这类阻燃剂阻燃的高聚物燃烧时表面能生成炭质泡沫层，该层隔热、隔氧、抑烟，并能防止产生熔滴，具有高效的阻燃性能。

When the flame retarded materials composed by these compounds are burned , the intumescent layer can insulate thermal , inhibit smoke and prevent producing molten drop , so the flame retarding performance is high .

试验测定方铅矿、钛磁铁矿、黄铁矿颗粒在泡沫层中的沉降速度，分析研究粒度及表面疏水性对颗粒在泡沫层中沉降速度的影响。

The settling velocities of galena , titanomagnetite and pyrite in the froth layers are determined , and the effects of the particle size and the surface hydrophobicity on the settling velocity in the froth layers are investigated .

蒸馏过程的传质速率与塔板上气液泡沫层传质面积有关，传质面积由气泡直径大小、分布和浓度所决定。

During the process of distillation , mass transfer rate relates to mass transfer area of gas liquid foam layer on the trays , while mass transfer area is decided by diameter and distribution and concentration of bubbles .