acicular aggregate

简明释义

针状集合伐;

英英释义

例句

1.The acicular aggregate found in the specimen contributed to its unique optical properties.

样本中发现的针状聚集体使其独特的光学特性得以增强。

2.The acicular aggregate observed under the microscope showed a striking resemblance to certain types of asbestos.

在显微镜下观察到的针状聚集体与某些类型的石棉有惊人的相似之处。

3.In the geological survey, the presence of acicular aggregate indicated a high level of metamorphism in the rock formation.

在地质调查中，针状聚集体的存在表明岩石形成经历了高水平的变质作用。

4.Researchers are studying the acicular aggregate to understand its formation process and applications in materials science.

研究人员正在研究针状聚集体以了解其形成过程及在材料科学中的应用。

5.The mineral sample contained a significant amount of acicular aggregate, which is known for its needle-like crystal structure.

这个矿物样本含有大量的针状聚集体，它以其针状晶体结构而闻名。

作文

In the world of materials science, the term acicular aggregate refers to a specific type of crystalline structure that is characterized by needle-like formations. These aggregates are typically formed in various geological and industrial processes, leading to unique properties that can be harnessed for different applications. Understanding the formation and characteristics of acicular aggregate is crucial for engineers and scientists alike, as it can significantly influence the performance of materials in real-world scenarios.The formation of acicular aggregate often occurs under conditions where there is a high degree of supersaturation in a solution. As minerals precipitate from the solution, they can grow into elongated, needle-like crystals. This process can be influenced by several factors, including temperature, pressure, and the presence of impurities in the solution. The resulting acicular aggregate can exhibit enhanced mechanical strength and improved thermal properties compared to more equiaxed (rounded) aggregates.One of the most common examples of acicular aggregate can be found in certain types of volcanic rocks. When lava cools rapidly, it can form glassy textures that later crystallize into acicular forms. These needle-like structures can help to improve the overall toughness of the rock, making it more resistant to weathering and erosion. Additionally, the presence of acicular aggregate can influence the aesthetic qualities of the rock, contributing to its visual appeal in decorative applications.In the field of concrete technology, the incorporation of acicular aggregate can enhance the mechanical properties of concrete. The needle-like shape of these aggregates can improve the interlocking between particles, leading to greater compressive strength and durability. Engineers often experiment with different ratios of acicular aggregate in concrete mixes to achieve optimal performance for specific construction projects. This application highlights the importance of understanding the behavior of different aggregate types in composite materials.Moreover, the study of acicular aggregate extends beyond geology and construction. In pharmaceuticals, for instance, the crystallization of active ingredients can lead to the formation of acicular structures, which can affect the solubility and bioavailability of drugs. Researchers are keenly interested in how the morphology of these aggregates can impact the efficacy of medications, leading to better formulations and therapeutic outcomes.In conclusion, the concept of acicular aggregate encompasses a fascinating area of study with significant implications across various fields. From improving the performance of construction materials to enhancing drug formulations, the needle-like structures formed during crystallization processes play a pivotal role in determining the properties of a wide range of substances. As research continues to evolve, a deeper understanding of acicular aggregate will undoubtedly lead to innovative applications and advancements in material science and engineering. The exploration of these unique aggregates not only enriches our knowledge but also opens up new avenues for technological progress.

在材料科学的世界中，术语acicular aggregate指的是一种特定类型的晶体结构，其特点是针状形成。这些聚集体通常在各种地质和工业过程中形成，导致其独特的性质可以被用于不同的应用。理解acicular aggregate的形成和特征对于工程师和科学家来说至关重要，因为它可能显著影响材料在实际场景中的性能。acicular aggregate的形成通常发生在溶液中存在高过饱和度的条件下。当矿物从溶液中沉淀时，它们可以生长成细长的针状晶体。这个过程可以受到多个因素的影响，包括温度、压力以及溶液中杂质的存在。所形成的acicular aggregate相比于更等轴（圆形）聚集体，可能表现出增强的机械强度和改善的热性能。acicular aggregate最常见的例子可以在某些类型的火山岩中找到。当熔岩快速冷却时，它可以形成玻璃质纹理，随后结晶成针状形态。这些针状结构可以帮助提高岩石的整体韧性，从而使其更能抵御风化和侵蚀。此外，acicular aggregate的存在还可以影响岩石的美学品质，为装饰应用增添视觉吸引力。在混凝土技术领域，加入acicular aggregate可以增强混凝土的机械性能。这些聚集体的针状形状可以改善颗粒之间的互锁，导致更大的抗压强度和耐久性。工程师们经常实验不同比例的acicular aggregate在混凝土配合料中，以实现特定建筑项目的最佳性能。这一应用突显了理解不同类型骨料在复合材料中行为的重要性。此外，acicular aggregate的研究不仅限于地质和建筑。在制药行业，例如，活性成分的结晶可以导致针状结构的形成，这可能影响药物的溶解度和生物利用度。研究人员对这些聚集体的形态如何影响药物的有效性非常感兴趣，这将导致更好的制剂和治疗效果。总之，acicular aggregate的概念涵盖了一个迷人的研究领域，在各个领域都有重要意义。从提高建筑材料的性能到增强药物制剂，这些在结晶过程中形成的针状结构在决定各种物质的特性方面发挥着关键作用。随着研究的持续发展，对acicular aggregate的更深入理解无疑会带来创新的应用和材料科学与工程的进步。探索这些独特的聚集体不仅丰富了我们的知识，也为技术进步开辟了新的途径。