conchoidal

简明释义

英[kɒŋˈkɔɪdəl]美[kɑːŋˈkɔɪdl]

adj. 贝壳状的；蚌线的

英英释义

单词用法

同义词

反义词

例句

1.The results show that main cause of conchoidal fracture forming is that composition segregation in solidification grain boundary of casting steel reduces the resistance of crack propagation.

结果表明，沿一次晶晶界的成分偏析对裂纹扩展阻力的降低作用是铸钢中贝壳状断口形成的主要原因。

2.The results show that main cause of conchoidal fracture forming is that composition segregation in solidification grain boundary of casting steel reduces the resistance of crack propagation.

结果表明，沿一次晶晶界的成分偏析对裂纹扩展阻力的降低作用是铸钢中贝壳状断口形成的主要原因。

3.When struck, the glass produced a conchoidal 贝壳状的 break, which is characteristic of high-quality flint.

当被击打时，玻璃产生了一个贝壳状的破裂，这是高质量燧石的特征。

4.The conchoidal 贝壳状的 surface of the obsidian made it popular among ancient civilizations for crafting sharp tools.

黑曜石的贝壳状的表面使其在古代文明中流行，用于制作锋利的工具。

5.In geology, understanding conchoidal 贝壳状的 fractures helps in identifying mineral types.

在地质学中，理解贝壳状的断裂有助于识别矿物类型。

6.The conchoidal 贝壳状的 fracture pattern can be seen clearly on the surface of this mineral specimen.

在这个矿物标本的表面上，可以清楚地看到贝壳状的断裂图案。

7.The rock has a conchoidal 贝壳状的 fracture, making it ideal for tool making.

这块岩石具有贝壳状的断裂，使其成为制作工具的理想材料。

作文

The term conchoidal refers to a specific type of fracture that occurs in certain materials, particularly in minerals and glass. This type of fracture is characterized by smooth, curved surfaces that resemble the shape of a shell, which is derived from the Greek word 'conchus' meaning shell. Understanding the properties and implications of conchoidal fractures can provide valuable insights into various scientific fields, including geology, material science, and archaeology.In geology, the study of rocks and minerals often involves examining their physical properties, including how they break or fracture. Conchoidal fractures are significant because they indicate a lack of internal structure within the material. For instance, obsidian, a naturally occurring volcanic glass, exhibits conchoidal fractures, which makes it an ideal material for crafting sharp tools and weapons in prehistoric times. The smooth edges created by conchoidal fracturing allow for effective cutting and piercing, showcasing the practical applications of this geological phenomenon.In material science, understanding conchoidal fractures can aid in the development of new materials. Engineers and scientists study how different substances respond to stress and impact, and conchoidal fractures can be indicative of a material's brittleness. By analyzing these fractures, researchers can improve the durability and performance of materials used in construction, manufacturing, and technology. For example, the design of glass products often takes into account the conchoidal nature of glass fractures to enhance safety and functionality.Archaeologists also find the concept of conchoidal fractures relevant when studying ancient tools and artifacts. Many stone tools from prehistoric cultures exhibit conchoidal fractures, providing clues about the techniques used by early humans to create and utilize these implements. The presence of sharp, curved edges on these tools suggests a sophisticated understanding of material properties and the ability to manipulate them for specific purposes. This insight into the past allows archaeologists to piece together the technological advancements of early civilizations and their adaptation to their environments.In conclusion, the term conchoidal encompasses more than just a technical definition; it represents a vital aspect of understanding materials and their behaviors. From its significance in geology to its applications in material science and archaeology, conchoidal fractures reveal important information about the world around us. By studying these fractures, we gain a deeper appreciation for the materials we use and the history of human innovation. As we continue to explore and understand the implications of conchoidal fractures, we can unlock new possibilities in technology, sustainability, and our comprehension of natural processes.

术语conchoidal指的是某些材料（特别是矿物和玻璃）中发生的一种特定类型的断裂。这种类型的断裂具有光滑、弯曲的表面，类似于贝壳的形状，源自希腊语单词 'conchus'，意为贝壳。理解conchoidal断裂的性质及其影响，可以为地质学、材料科学和考古学等多个科学领域提供宝贵的见解。在地质学中，岩石和矿物的研究通常涉及检查它们的物理特性，包括它们如何断裂或破裂。conchoidal断裂非常重要，因为它表明材料内部结构的缺乏。例如，黑曜石是一种天然的火山玻璃，具有conchoidal断裂，这使其成为制作锋利工具和武器的理想材料。conchoidal断裂所产生的光滑边缘便于有效切割和刺穿，展示了这一地质现象的实际应用。在材料科学中，理解conchoidal断裂有助于新材料的发展。工程师和科学家研究不同物质如何响应压力和冲击，而conchoidal断裂可以表明材料的脆弱性。通过分析这些断裂，研究人员可以改善建筑、制造和技术中使用的材料的耐用性和性能。例如，玻璃产品的设计通常考虑到玻璃断裂的conchoidal特性，以增强安全性和功能性。考古学家在研究古代工具和文物时也发现conchoidal断裂的概念相关。许多史前文化的石制工具表现出conchoidal断裂，提供了关于早期人类创造和利用这些工具的技术线索。这些工具上锋利的弯曲边缘表明对材料特性有着深刻的理解，以及为特定目的操纵它们的能力。对过去的这一见解使考古学家能够拼凑早期文明的技术进步及其对环境的适应。总之，术语conchoidal不仅仅包含技术定义；它代表了理解材料及其行为的重要方面。从其在地质学中的重要性到在材料科学和考古学中的应用，conchoidal断裂揭示了我们周围世界的重要信息。通过研究这些断裂，我们对所使用的材料以及人类创新的历史有了更深刻的理解。随着我们继续探索和理解conchoidal断裂的影响，我们可以在技术、可持续性和自然过程的理解中开辟新的可能性。