mechanical mixture

简明释义

机械混合物

英英释义

例句

1.The mechanical mixture of sand and gravel is often used in construction.

沙子和碎石的机械混合物通常用于建筑。

2.In the lab, we created a mechanical mixture to study the properties of different materials.

在实验室中，我们创建了一个机械混合物来研究不同材料的性质。

3.When making concrete, a mechanical mixture of cement, water, and aggregates is essential.

在制作混凝土时，水泥、水和骨料的机械混合物是必不可少的。

4.A salad is a good example of a mechanical mixture where all ingredients retain their individual properties.

沙拉是一个很好的机械混合物例子，其中所有成分保持各自的特性。

5.This mechanical mixture of metals can be separated using a magnet.

这种金属的机械混合物可以通过磁铁分离。

作文

In the realm of chemistry and material science, understanding the properties and behaviors of different substances is crucial. One important concept that often arises in these fields is the idea of a mechanical mixture. A mechanical mixture refers to a physical combination of two or more substances where each retains its own properties and can be separated by physical means. This is distinct from a chemical mixture, where the components undergo a chemical change and lose their individual characteristics.To illustrate the concept of a mechanical mixture, consider a simple example: a salad. When you combine lettuce, tomatoes, cucumbers, and dressing, each ingredient maintains its original properties and can be identified separately. If you were to pick out a piece of cucumber from the salad, it would still taste like a cucumber, and the same goes for the other ingredients. This characteristic of retaining individual properties is what defines a mechanical mixture.Another example of a mechanical mixture can be seen in the combination of sand and gravel. When mixed together, the sand and gravel maintain their distinct textures and sizes. You can easily separate them by using a sieve, demonstrating that they are indeed a mechanical mixture. This property of separability is a key feature that distinguishes mechanical mixtures from other forms of mixtures.The significance of understanding mechanical mixtures extends beyond simple examples. In industrial applications, the ability to create and manipulate mechanical mixtures is vital. For instance, in construction, concrete is made by mixing cement, sand, gravel, and water. Each component serves a specific function, and their individual properties contribute to the overall strength and durability of the final product. Here, the mechanical mixture is essential for achieving the desired performance of the concrete.Moreover, in the field of food science, understanding mechanical mixtures can help in the development of new recipes and food products. Chefs often utilize the principles of mechanical mixtures when combining ingredients to ensure that the flavors and textures remain distinct, enhancing the overall dining experience. For example, a well-made parfait consists of layers of yogurt, fruit, and granola, each maintaining its unique flavor and texture while contributing to a harmonious dish.In conclusion, the concept of a mechanical mixture plays a significant role in various disciplines, from chemistry to culinary arts. By recognizing that a mechanical mixture allows for the retention of individual properties and the possibility of physical separation, we can better appreciate the complexity and versatility of materials we encounter in our daily lives. Understanding this concept not only aids in scientific endeavors but also enriches our practical experiences, whether in the kitchen or in construction. Therefore, the study of mechanical mixtures is not just an academic exercise but a valuable exploration of how different substances interact and coexist in our world.

在化学和材料科学领域，理解不同物质的性质和行为至关重要。一个常常出现的重要概念是机械混合物的概念。机械混合物指的是两种或多种物质的物理组合，每种物质保持其自身的特性，并且可以通过物理方法分开。这与化学混合物不同，后者的成分会经历化学变化，失去各自的特征。为了说明机械混合物的概念，考虑一个简单的例子：沙拉。当你将生菜、番茄、黄瓜和调料混合在一起时，每种成分都保持其原有的特性，并且可以单独识别。如果你从沙拉中挑出一片黄瓜，它仍然会尝起来像黄瓜，其他成分也是如此。这种保留个体特性的特征就是定义机械混合物的关键。另一个机械混合物的例子可以在沙子和砾石的组合中看到。当混合在一起时，沙子和砾石保持各自独特的质地和大小。你可以通过使用筛子轻松将它们分开，这证明它们确实是机械混合物。这种可分离性是区分机械混合物与其他形式混合物的关键特征。理解机械混合物的重要性超出了简单的例子。在工业应用中，创造和操控机械混合物的能力至关重要。例如，在建筑中，混凝土是通过将水泥、沙子、砾石和水混合而成的。每个成分都有其特定的功能，并且它们的个体特性对最终产品的整体强度和耐用性做出了贡献。在这里，机械混合物对于实现混凝土的理想性能至关重要。此外，在食品科学领域，理解机械混合物可以帮助开发新食谱和食品产品。厨师在结合成分时常常利用机械混合物的原理，以确保风味和质地保持独特，从而提升整体用餐体验。例如，一份精心制作的奶昔由酸奶、水果和燕麦层组成，每种成分保持其独特的风味和质地，同时为和谐的菜肴做出贡献。总之，机械混合物的概念在多个学科中扮演着重要角色，从化学到烹饪艺术。通过认识到机械混合物允许个体特性的保留和物理分离的可能性，我们可以更好地欣赏我们日常生活中遇到的材料的复杂性和多样性。理解这一概念不仅有助于科学研究，还丰富了我们的实践经验，无论是在厨房还是在建筑中。因此，研究机械混合物不仅仅是学术练习，而是对不同物质如何相互作用和共存于我们世界的宝贵探索。