气孔

Located mostly in Wyoming, and spilling into Montana on the north and Idaho on the west, the park is noted for its thermal features, which include geysers, hot springs, mud pots and fumaroles.

公园主要位于怀俄明州，向北延伸至蒙大拿州，向西则是爱达荷州。公园以其热力资源著称，包括间歇泉、温泉、热泥潭和喷气孔。

The main products are: aluminum industry anode baking furnace, cathode roaster, electrolytic aluminum melting furnace, Calciner low creep, low porosity series of products, metallurgical industry with high-power electric stove top products, large and medium-sized steel ladle series of products lining package .

主要产品有：铝工业阳极焙烧炉、阴极焙烧炉、电解熔铝炉、煅烧炉用低蠕变、低气孔系列制品、冶金工业大功率电炉用炉顶制品、大中型钢包用钢包衬系列制品。

On a yacht I must think in advance where to install an air vent for the engine room that here I have to place the random box type for the satellite, and that this is where I have to show the gangway ladder.

在游艇上，我必须事先想好在哪里为轮机舱安装一个通气孔，或者哪里安装舷梯。

According to above points, we concluded that although some parts of the weir plate have certain gas holes on the surface, it won't ill-effect the use functions.

基于以上几点，我们认为，此批堰板有部分存在表面气孔较多，但这不会对使用产生任何不良影响。

If you don't have the option of venting to the outside or if space is a premium, a vent free gas stove will work.

如果你并没有选择把通风口放到外面，或者你的空间是优质的，只要保持通气孔畅通，煤气炉就能正常运行。

And study the influence of welding speed and active gas for welding porosity defect.

着重研究了焊接速度与活性气体对气孔形成的影响关系。

Grape rust bacterium is in cold region with wintry spore live through the winter, spore of summer of the generation after catching is invaded first, fission of summerly spore caboodle comes loose a many summer spore, travel through air current, there are water and appropriate temperature on blade, summerly spore grows a gemma, invade blade through air hole.

葡萄锈病菌在严寒地区以冬孢子越冬，初侵染后产生夏孢子，夏孢子堆裂开散出大量夏孢子，通过气流传播，叶片上有水滴及适宜温度，夏孢子长出芽孢，通过气孔侵入叶片。

Extensive research has been conducted to find ways of reducing such porosity; however, it is difficult if not impossible to eliminate completely, and die castings often are lower in strength than low-pressure or gravity-fed permanent mold castings, which are more sound in spite of slower cooling.

大量的研究工作旨在降低这一气孔率，可是实际上要想完全消除是相当困难的，并且压模铸造铸件的强度经常不及低压和重力铸造获得的铸件，尽管后两种方式的冷却速率教慢，但是其可靠性相对较高。

Results show that the mullite grogs can be gained by the method at 1700℃ as long as the control of the chemical composition of ingredients(content of Al2O3 and ratio of Al2O3/ SiO2 ,etc.) with apparent porosity＜2.5% and bulk density≥2.75g/cm3; the heating process can be divided three stages, which are formation of primary mullite, secondary mullitization stage and liquid phase sintering stage.Key words bauxite, coal gangue, mullite grogs

结果表明，只要控制好混合料的化学组成（Al2O3含量、Al2O3/SiO2比等），就可采用此工艺制备出莫来石料，其烧结温度为1700℃，所得莫来石料的显气孔率大于2.5%、体积密度大于或等于2.75g/cm3；加热过程可分为一次莫来石形成、二次莫来石化和液相烧结3个阶段。

Bauxite based mullite was prepared with grade Ⅱ broken bauxite (3 mm) and broken coal gangue(3 mm) as starting material according to formula w(Al2O3)=68%~72% in bauxite based mullite grogs.

以Ⅱ等高铝矾土碎矿(≤3 mm)和煤矸石碎矿(≤3 mm)为原料，按照矾土基莫来石熟料w(Al2O3)=68%~72%的要求，将它们按一定比例混合配制成混合料，接着将混合料湿磨至0.044 mm以均化化学成分，经湿法挤泥成型、烘干后分别在1 550℃、1 600℃和1 700℃煅烧6 h，冷却后测定其显气孔率和体积密度以确定烧结温度。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失