The foam height should not be over than the component side of PCB. 发泡高度原则以不超过PCB零件面为最合适高度。
In this paper, fiber-reinforced epoxy foam composite used as floater for indicating height of oil level in automobile braking system was investigated. 研究了纤维增强环氧发泡材料用于轿车刹车油液面指示用浮子。
Study on foam height of catalyst and degrade organopolysiloxane 混合硅氧烷催化裂解泡沫高度的研究
Effects of Total Foam Height on the Liquid Holdup in the Foam Fractionation Process 泡沫分离过程中泡沫层总高度对持液率的影响
The results show that combined tray can effectively restrain foam height and bubble diameter, decrease entrainment, and enhance tray efficiency. 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。
Foam Mg alloy of full and arbitrary height can be acquired when foam aluminum and dry sand are used to be bottom. 用泡沫铝和干砂作透气底板可获得形状完整且高度可控的泡沫镁合金。
Aluminium foam was made by using low-pressure infiltrating founding device and spheric granules, different technological parameters influence to aluminium liquid infiltrating height was studied by using orthogonal experiments. 首次采用低压渗流凝固装置和球状颗粒来生产泡沫铝,用正交实验方法研究了不同的工艺参数对铝液渗流高度的影响。
The operational principle of the measurement instrument is introduced, the circuit and characteristic of the integrated single channel pulse height analyzer and those of high performance ADC are analyzed, and the measured real-time curves of liquid level and foam height are discussed. 介绍了该测量仪的工作原理,分析了高速集成单道幅度分析器和高性能A/D转换器的电路及特点,讨论了液位曲线和泡沫高度曲线。
But no significant differences on foam height and γ_ ( min) were observed between various compositing ratio of quaternized sec-and ten-amides. 不同混合比仲酰胺的和叔叔酰胺的季胺化物水溶液的泡沫高度和表面张力没有明显的变化。
The relationship between foam height and time has been investigated for the foaming process caused by reduction of blast furnace dust and sludge in synthetic slag. 测定了高炉粉尘在合成渣中被碳还原时,内生气源产生泡沫渣的高度与时间的关系。
The results showed that as the mass ratio of polyether and polysiloxane grew higher in polyether polysiloxane quaternary ammonium block copolymer, the viscosity and foam height decreased. 结果表明,随着聚醚聚硅氧烷季铵盐嵌段共聚物中聚醚与聚硅氧烷的质量比的加大,香波的粘度和泡沫高度下降;
The change of the foam height with time in microemulsion system or microemulsion-liquid crystal system corresponds to the first-class dynamic equation. 在微乳液单相体系和微乳液-溶致液晶两相体系中所制的泡沫,其高度随时间的变化符合一级反应动力学方程。
After the experiments are finished, the effects of the different bubble-removing components to reduce the foam height of the frothing system are measured. 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。
The relationship between the foam height and time is measured for foaming processes originated from reducing TiO 2 in the synthetic blast furnace slag under different condition. 测定了在不同条件下,合成高炉渣中TiO2被碳还原时泡沫渣高度与时间的关系。
For the smelting reduction in iron bath, the foam should be kept in a suitable height in order to obtain a high rate heat transfer and reaction. 在铁浴熔融还原时,为保证较高的传热和反应速率,熔池中泡沫渣应保持一个适当的高度。
Compared to other surfactant, octyl-glucoside behaves lower surface tension and higher foam height. 与其它表面活性剂性能相比,正辛基葡萄糖苷具有表面张力小,起泡高度高的优点。
Results showed that the foamer PAS-12 scarcely adsorbs on the oil sand surface and the foaming ability is better than that of SDS and ABS. At 70 ℃, when the PAS-12 content is only 0.20%, the foam height is more than 180 mm. 结果表明,PAS12起泡剂几乎不在油砂上吸附,起泡性比常用的SDS和ABS强,70℃下溶液浓度为0.20%时,起泡高度可达180mm以上;
The effects of foam height, reaction time and temperature of the foam viscoelasticity was analyzed by the rheology experiments, and the constitutive model was established to get the most influential parameter to the foamed gel viscoelasticity. 通过流变学实验分析了凝胶泡沫的发泡高度、反应时间、温度对其粘弹性的影响,建立了凝胶泡沫的本构方程,得到了对凝胶泡沫的黏弹性影响较大的参数。