coarse grained

简明释义

粗纹

英英释义

例句

1.The rock is classified as coarse grained because of its large crystal sizes.

这块岩石被归类为粗粒的，因为它的晶体尺寸较大。

2.The fabric has a coarse grained texture that adds character to the clothing.

这种面料有一种粗粒的质感，为衣服增添了特色。

3.In this software, the data is stored in a coarse grained manner for better performance.

在这个软件中，数据以粗粒的方式存储，以提高性能。

4.When analyzing the data, we noticed it was too coarse grained to provide useful insights.

在分析数据时，我们注意到它过于粗粒的，无法提供有用的见解。

5.The chef prefers coarse grained salt for seasoning his dishes.

这位厨师更喜欢使用粗粒的盐来调味他的菜肴。

作文

In the world of materials science and engineering, the term coarse grained refers to a type of microstructure in which the grains of a material are relatively large compared to other types of grain structures. This characteristic can significantly influence the properties and behaviors of the material under various conditions. For instance, metals that exhibit a coarse grained structure typically have improved ductility and toughness, making them suitable for applications where flexibility and resilience are crucial. On the other hand, materials with a fine-grained structure often display higher strength and hardness, which can be advantageous in different contexts.To better illustrate the implications of coarse grained materials, consider the example of steel used in construction. When steel is forged at high temperatures, it can develop a coarse grained structure. This process allows the steel to absorb energy during impacts, which is vital for buildings and bridges that must withstand various stresses over time. The coarse grained nature of the steel enables it to deform rather than fracture, providing a safety margin in structural applications.Moreover, the manufacturing process can also affect whether a material becomes coarse grained or retains a finer grain structure. Techniques such as annealing, which involves heating and then cooling the material, can promote grain growth. Conversely, rapid cooling methods like quenching can result in a finer grain structure. Understanding these processes is essential for engineers and designers who aim to tailor material properties to meet specific needs.In geology, the term coarse grained is also used to describe certain types of rocks. For example, granite is a coarse grained igneous rock composed of visible crystals of quartz, feldspar, and mica. The coarse grained texture of granite not only gives it a distinctive appearance but also affects its durability and weathering characteristics. This makes granite a popular choice for countertops and building facades, as its coarse grained structure enhances its ability to resist wear and tear.Additionally, in the field of computer science, coarse grained can refer to a type of parallel processing where tasks are divided into larger chunks. This approach contrasts with fine grained parallelism, where tasks are broken down into smaller, more numerous units. The choice between coarse grained and fine grained processing can impact the efficiency of algorithms and the overall performance of computing systems.In conclusion, the concept of coarse grained is multifaceted and appears across various disciplines, from materials science to geology and computer science. Understanding the implications of coarse grained structures helps professionals make informed decisions regarding material selection, processing techniques, and system designs. As we continue to explore the characteristics and applications of coarse grained materials, we gain valuable insights that can lead to innovations and improvements in technology and engineering practices.

在材料科学和工程领域，术语coarse grained指的是一种微观结构，其中材料的晶粒相对较大，与其他类型的晶粒结构相比。这一特征可以显著影响材料在各种条件下的性能和行为。例如，表现出coarse grained结构的金属通常具有更好的延展性和韧性，使其适用于需要灵活性和弹性的应用。另一方面，具有细晶粒结构的材料通常显示出更高的强度和硬度，这在不同的背景下可能是有利的。为了更好地说明coarse grained材料的影响，考虑建筑中使用的钢铁的例子。当钢在高温下锻造时，它可以发展出coarse grained结构。这个过程使钢能够在冲击中吸收能量，这对于必须承受各种应力的建筑和桥梁至关重要。钢的coarse grained特性使其能够变形而不是断裂，为结构应用提供了安全余量。此外，制造过程也会影响材料是否成为coarse grained或保持较细的晶粒结构。诸如退火等技术涉及加热然后冷却材料，可以促进晶粒生长。相反，快速冷却方法如淬火可以导致较细的晶粒结构。理解这些过程对于工程师和设计师来说至关重要，他们旨在根据特定需求调整材料特性。在地质学中，术语coarse grained也用于描述某些类型的岩石。例如，花岗岩是一种coarse grained的火成岩，由可见的石英、长石和云母晶体组成。花岗岩的coarse grained纹理不仅赋予其独特的外观，还影响其耐久性和风化特性。这使得花岗岩成为台面和建筑外立面的热门选择，因为其coarse grained结构增强了其抵抗磨损的能力。此外，在计算机科学领域，coarse grained也可以指一种并行处理类型，其中任务被分为较大的块。这种方法与fine grained并行性形成对比，后者将任务分解为更小、更众多的单元。选择coarse grained和fine grained处理可以影响算法的效率和计算系统的整体性能。总之，coarse grained的概念是多方面的，出现在各个学科中，从材料科学到地质学和计算机科学。理解coarse grained结构的含义帮助专业人士在材料选择、加工技术和系统设计上做出明智的决策。随着我们继续探索coarse grained材料的特性和应用，我们获得了宝贵的见解，这可以导致技术和工程实践的创新和改进。