porosities

简明释义

英[pəˈrɒs.ɪ.tiz]美[pɔˈrɑs.ɪ.tiz]

多孔性

英英释义

单词用法

同义词

反义词

例句

1.The reason of the formation of gas porosities and cracks on the head face of valve tappet has been studied.

本文分析了气门挺杆端面气孔、裂纹形成原因。

2.By comparison with the porosities from core analysis, the processed results with Raymer equation are satisfactory.

所计算的孔隙度与岩心分析孔隙度比较，雷莫方程的计算结果是令人满意的。

3.The results show that a more uniform microstructure and higher hardness were obtained in the ceramal layer, and there are no porosities and cracks in it.

结果表明，金属陶瓷涂层具有更均匀的显微组织和高的硬度，没有孔洞及裂纹产生。

4.The porosities are measured by water displacement, solvent displacement, helium inflow and mercury pressure.

用饱水法、溶剂法、氦流法和压汞法测定孔隙率。

5.As a result, the mechanical properties of the castings were improved by filtering. The inclusions, cracks, Porosities and feathered crystals were declined.

研究结果表明，过滤可提高铸棒的机械性能，减少夹杂、裂纹、缩松、羽毛晶等常见缺陷。

6.A series of simulative experiments have been done using wood cribs with different porosities and heights in order to study the effect of combustible configuration on combustion process of tunnel fire.

已经完成了一系列的模拟实验，使用不同的孔隙度和高度的木材，为了研究隧道火灾燃烧过程的的可燃配置的影响。

7.The analysis of ultrasonic testing result indicated that main defects in the alloy were porosities likely caused by sintering thickness.

对检测结果的分析和验证表明， 其内部主要为孔隙类缺陷，产生原因可能是烧结厚度太厚所致。

8.The results indicated that by HIPing porosities in the preforms can be closed and the densities can be increased, then the strength and ductility can be improved.

结果表明，热等静压处理可以闭合坯件内的疏松孔洞，提高合金致密度，进而提高合金的强度和塑性。

9.Metals are good electrical conductors with high strength and usually have no porosities for gas permeability.

金属是具有较高的强度、导热性和气密性的良导体。

10.In petroleum engineering, understanding the porosities of reservoirs is crucial for extraction.

在石油工程中，理解储层的孔隙度对提取至关重要。

11.The porosities of the concrete affect its strength and durability.

混凝土的孔隙度影响其强度和耐久性。

12.The engineer measured the porosities of different materials for the construction project.

工程师测量了不同材料的孔隙度以用于建设项目。

13.The geologist studied the rock samples to determine their porosities.

地质学家研究岩石样本以确定它们的孔隙度。

14.Higher porosities in soil can lead to better water drainage.

土壤中较高的孔隙度可以导致更好的排水。

作文

In the field of geology and materials science, understanding the concept of porosities is crucial for various applications. Porosities refer to the tiny voids or spaces within a material that can hold fluids or gases. These voids are significant because they influence how materials interact with their environment, particularly in areas such as water retention in soils, oil extraction from reservoirs, and even the structural integrity of buildings. For instance, when studying soil, scientists measure the porosities to determine how much water the soil can retain, which directly affects agricultural productivity. High porosities often indicate better drainage, while low porosities can lead to waterlogging, affecting plant growth.In addition to soil, the concept of porosities plays an essential role in the petroleum industry. The ability to extract oil from underground reservoirs largely depends on the porosities of the rock formations. Rocks with high porosities can store more oil, making them prime targets for drilling. Geologists and engineers conduct extensive studies to map out these porosities, using advanced technologies to create accurate models of subsurface formations. Understanding these characteristics helps in making informed decisions about where to drill and how to maximize oil recovery.Furthermore, porosities are also relevant in the construction industry. Materials such as concrete and bricks have varying levels of porosities, which affect their strength and durability. High porosities in building materials can lead to issues such as water infiltration, which may cause structural damage over time. Therefore, engineers must carefully select materials based on their porosities to ensure the longevity and safety of structures.Moreover, the study of porosities is not limited to natural materials; it extends to synthetic ones as well. For example, in the development of filters or membranes used in water purification systems, the porosities of these materials determine their effectiveness in removing contaminants. A well-designed filter has optimal porosities that allow for the passage of clean water while trapping harmful particles.In summary, porosities are a fundamental aspect of various scientific and engineering disciplines. They play a critical role in determining how materials behave in different environments, impacting everything from agriculture to energy production and infrastructure development. As research continues to advance, our understanding of porosities will undoubtedly lead to innovations and improvements in these fields, highlighting the importance of this seemingly simple yet complex concept. As we delve deeper into the study of porosities, we uncover more about the world around us and how we can utilize it more effectively.

在地质学和材料科学领域，理解孔隙率的概念对各种应用至关重要。孔隙率是指材料内部的小空隙或空间，可以容纳流体或气体。这些空隙非常重要，因为它们影响材料与其环境的相互作用，特别是在土壤的水分保持、油田的开采，甚至建筑物的结构完整性等领域。例如，在研究土壤时，科学家测量孔隙率以确定土壤可以保留多少水，这直接影响农业生产力。高孔隙率通常表示更好的排水，而低孔隙率可能导致水涝，影响植物生长。除了土壤之外，孔隙率的概念在石油工业中也发挥着重要作用。从地下油藏提取石油的能力在很大程度上取决于岩石形成的孔隙率。具有高孔隙率的岩石可以储存更多的石油，使其成为钻探的主要目标。地质学家和工程师进行广泛的研究，以绘制这些孔隙率的图，利用先进技术创建地下形成的准确模型。理解这些特征有助于在决定钻探位置及如何最大化石油回收方面做出明智的选择。此外，孔隙率在建筑行业中也与之相关。混凝土和砖块等材料具有不同程度的孔隙率，这会影响其强度和耐久性。建筑材料中的高孔隙率可能导致水渗透等问题，随着时间的推移可能造成结构损坏。因此，工程师必须根据材料的孔隙率仔细选择材料，以确保结构的持久性和安全性。此外，孔隙率的研究不仅限于天然材料；它还扩展到合成材料。例如，在水净化系统中使用的过滤器或膜的开发中，这些材料的孔隙率决定了它们去除污染物的有效性。一个设计良好的过滤器具有最佳的孔隙率，可以让干净的水通过，同时捕获有害颗粒。总之，孔隙率是各种科学和工程学科的基本方面。它们在确定材料在不同环境中的行为方面发挥着关键作用，影响从农业到能源生产再到基础设施发展的方方面面。随着研究的不断推进，我们对孔隙率的理解无疑将推动这些领域的创新和改进，突显出这一看似简单但复杂的概念的重要性。随着我们深入研究孔隙率，我们揭示了更多关于周围世界的知识，以及我们如何更有效地利用它。