气孔的

The blowhole is one of the most common casting defectives in the casting process, the type of this defective is so much, and its producing mechanism is various.

中文摘要：气孔是铸件在铸造过程中最常见的缺陷之一，该缺陷种类繁多，产生的机理各不相同，属于铸造界的一个技术难题，颇具研究价值。

More bubbles coarsen and rupture with increasing concentration of foaming agent.

随着发泡剂含量的增加，泡沫Al内更多的的气孔发生合并和崩塌。

From the analysis of the simulation, it is concluded that the change of band gap is only related to the fill factor not to the crystal lattice constant.

三角晶格的这种光子晶体的带隙特性最好，并对空气孔之间产生交叠情况下的带隙特性进行了分析说明。

The main differences are the distribution of the stomatal density and the cystolith cells in the upper epidermis and the distribution of the crystals in the mesophyll.

结果表明，品种间在表皮、叶肉和叶脉上的构造基本相似；主要差别在于气孔密度、上表皮细胞中的钟乳体细胞数目及叶肉中晶体的分布。

For nearly four months, Moreland, 45, had watched over Nora Huizenga's two young daughters, who were living with their father on the base, while Huizenga, 40, completed training air vent wow accounts wow account world of warcraft accounts world of warcraft accountas a dental hygienist in Nevada.

近4个月，摩兰德，45岁，曾看到了娜拉休伊曾加的两个年幼的女儿，谁与他们住在基地的父亲，而休伊曾加，40，完成培训气孔哇帐户哇魔兽账户1魔兽世界帐户世界accountas牙科保健在内华达州。

The Chinese kongzhu has flat side like wheel whereas the diabolo consists of two bell-shapes.

再者，空竹的轮缘上有气孔，旋转起来能发出嗡嗡的声音，而迪亚波罗是没有声音的。

In this article, we review the labeling methods and organization of actin filaments in guard cells, we also describe their role and the possible mechanism in signal transduction of guard cell.

本文综述了保卫细胞微丝骨架的标记方法、结构，以及其在气孔运动中的功能和作用机制的最新研究进展。

Combined with the investigation of SEM and other methods of interface analysis, we found that in the impact fracture process, matrix deformation, fiber pull out, interface debonding between matrix and fiber, interface friction induced by debonding, new surface appearance and so on all can absorb impact energy.

此外，研究还发现G系列坯料即使烧结至1500℃，在熔剂的配入量达不到50%情况下无法烧结，这一试验结果能用颗粒体随机堆积气孔率和本文提出的聚合体颗粒堆积的分数维结构模型得到解释。

This paper introduced the relationship of microcrystal structure of coke and its macroscopical properties, and the effects of coal rank and pyrogenation process on microcrystal structure etc.

对于焦炭，前者是指焦炭中的气孔、裂缝以及焦炭光学组织结构，后者则指焦炭的显微结构，包括类石墨片层的微晶单元及其空间排列方式等。

The photosynthetic parameters of Sinocalycanthus chinensis in both overstory and understory, including the diurnal changes of net photosynthetic rate, intercellular CO2 concentration, dark respiration rate and stomatal resistance, were measured using a LCA4 Portable Photosynthesis System. The photosynthetic parameters of the accompanying plants such as Boehmeria platanifolia, Rhus chinensis and Weigela japonica var.

用LCA4型便携式全自动光合测定仪，在自然条件下，于7月下旬的晴朗天气测定了群落冠层和林下两种不同光环境下夏蜡梅的净光合速率、胞间CO2浓度、呼吸速率、气孔阻力的日进程，并与其伴生植物悬铃叶苎麻、盐肤木、水马桑Weigela japonica var。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。