泡

It gives up the unreasonable spherical hypothesis which is out of accord with the reality.

考察了不同壁面、空泡离壁面的距离和空泡的气体含量对空泡演化及辐射噪声的影响，该方法将边界元方法得到的空泡演化情况与声学方程在特殊情况下的解结合起来，放弃理论分析上不合理的球形假设，并考虑了边界的影响，这样更符合实际的空化现象，得到了与实验相一致的结论。

In addition to the good property of depressing foam,DSL-130 is also a high efficient defoaming agent and it can be added into the un-foamed aqua to prevent creating foam.Even under 130℃,it can keep not to demulsify and spill oil and it can also keep high efficiency of defoaming.It's an indispensable adjuvant of overfall dye.

DSL-130有机硅消泡剂除了是极佳的抑泡剂之外，它也是极具效能的消泡剂，可加于未发泡的水溶液中作为预防泡沫的产生，它可在130℃高温环境下而不破乳不漂油，仍能保持高度消泡能力及稳定不破乳，为溢流染料不可缺之助剂。

Mol·L~(-1) individually and also with both heavy metals present. Plasmolysis, concentrated cytoplasm, disappear ance of the cristae of mitochondria, ambiguity of framework and destruction of mitochondria envelope were all symptoms of root cells under Cu stress; hollowing cells was also found in Cd treatment, and there existed some different granule in these hollowing cells.

铜使根细胞产生质壁分离、细胞质浓缩、部分细胞空泡化，使线粒体脊突消失、结构模糊、外膜破坏；镉使根细胞空泡化，并在部分空泡化的细胞里产生大小不等的颗粒状物；铜、镉交互污染使根细胞受害程度加深，并兼有两者的受害症状特征：线粒体结构彻底破坏、空泡化细胞里的颗粒物更大电子密度更高、质壁分离现象更普遍、质膜上的颗粒物沉淀更大。

Single-acting baking powder produces all of its bubbles when it gets wet. Double-acting baking powder produces bubbles again when it gets hot. If you want to prove to yourself that this is how baking powder works, simply try mixing a teaspoon of baking powder into a cup of hot water.

单一反应的泡打粉在混合水后释放出所有的泡泡 2次反应的泡打粉遇热后能够再次释放二氧化碳如果你想自己验证一下泡打粉的工作原理，很简单，在一杯热水中加入一小勺泡打粉。

This review demonstrated the new applying of effervescent technique in effervescent tablets,stomach floating forms,osmotic pump tablets and pulsatile drug delivery systems,adding to the critical common technique of effervescent forms in drug research.

作者主要介绍了泡腾技术在泡腾片、胃漂浮制剂、渗透泵片和脉冲释药系统中研究应用，以及泡腾制剂共性关键技术研究进展，有利于泡腾制剂研究与开发。

The antifoaming mechanism and type of antifoaming agent s are introduced.

介绍了消泡剂消泡的机理和类型，分析了悬浮法聚氯乙烯生产中如何选择适宜的消泡剂，以及使用消泡剂后对悬浮法聚氯乙烯树脂质量的影响。

The foaming property of a selective desulfurizer exploited currently was investigated and the suitable antifoaming agents were evaluated.

对开发的新型脱硫剂的泡沫性能进行了研究，评选出合适的消泡剂；考察了消泡剂的表面张力，对消泡剂的消泡机理做了初步的探讨。

Methods of suitable antifoaming agents for suspension polymerization of PVC are analyzed as well as the influence of antifoaming agents on the properties of polyvinyl chloride resins produced by suspension process .

介绍了消泡剂消泡的机理和类型，分析了悬浮法聚氯乙烯生产中如何选择适宜的消泡剂，以及使用消泡剂后对悬浮法聚氯乙烯树脂质量的影响。

To solve the antifoaming problem of internal combustion engine oil,which is caused by a few additives in large scale production,a new kind of 412 antifoaming package was developed through the investigation on the effects of various antifoamer s.

为解决大生产中由部分添加剂引起的油品抗泡性问题，考察了现有抗泡剂的作用效果，研制出新型的412复合抗泡剂，该剂可以有效地解决船用中速机油和大生产中其他内燃机油的抗泡性问题。

To solve the antifoaming problem of internal combustion engine oil,which is caused by a few additives in large scale production,a new kind of 412 antifoaming package was developed through the investigation on the effects of various antifoamers.

为解决大生产中由部分添加剂引起的油品抗泡性问题，考察了现有抗泡剂的作用效果，研制出新型的412复合抗泡剂，该剂可以有效地解决船用中速机油和大生产中其他内燃机油的抗泡性问题。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。