mechanical mixture

简明释义

机械混合物

英英释义

例句

1.When making concrete, you need to combine cement, water, and aggregates in a mechanical mixture.

在制作混凝土时，你需要将水泥、水和骨料结合成一个机械混合物。

2.Sand and gravel form a mechanical mixture that is commonly used in construction.

沙子和砾石形成了一个机械混合物，常用于建筑。

3.The salad consisted of a mechanical mixture of various vegetables and dressings.

沙拉由各种蔬菜和调料组成，形成了一个机械混合物。

4.A mechanical mixture can be easily separated by physical methods like filtration or sedimentation.

一个机械混合物可以通过过滤或沉淀等物理方法轻易分离。

5.In the laboratory, we created a mechanical mixture to analyze the properties of different substances.

在实验室中，我们创建了一个机械混合物来分析不同物质的性质。

作文

In the study of chemistry, we often encounter various types of substances and their interactions. One fundamental concept is that of a mechanical mixture, which refers to a combination of two or more substances that are not chemically bonded. In a mechanical mixture (机械混合物), each component retains its own properties and can be separated by physical means. This is in contrast to a chemical compound, where substances are combined in such a way that they form a new substance with different properties.To illustrate this concept, consider a simple example of a salad. A salad is made up of various ingredients such as lettuce, tomatoes, cucumbers, and dressing. Each of these components retains its individual characteristics; the lettuce remains crisp, the tomatoes juicy, and the cucumbers crunchy. When mixed together, they create a delightful dish, but they do not undergo any chemical change. This is a perfect example of a mechanical mixture (机械混合物).Another common example of a mechanical mixture (机械混合物) is a bag of marbles. If you have a collection of marbles of different colors and sizes, when you place them in a bag, they form a mechanical mixture. You can easily separate the marbles based on their color or size without altering their individual properties. This ability to separate components is a key characteristic of mechanical mixtures (机械混合物).The importance of understanding mechanical mixtures (机械混合物) extends beyond the classroom. In everyday life, we encounter numerous examples of mechanical mixtures (机械混合物). For instance, when making concrete, sand, gravel, cement, and water are combined. While they form a solid mass when set, each ingredient can still be identified and separated before the mixture hardens. This understanding is crucial in construction and material science, as the properties of the final product depend on the proper ratios of the components used in the mechanical mixture (机械混合物).In addition to practical applications, the concept of mechanical mixtures (机械混合物) is also significant in environmental science. Soil, for example, is a natural mechanical mixture (机械混合物) composed of minerals, organic matter, water, and air. Each component plays a vital role in supporting plant life and maintaining ecosystem balance. Understanding the composition of soil as a mechanical mixture (机械混合物) helps scientists and farmers manage land use effectively and sustainably.Moreover, the distinction between mechanical mixtures (机械混合物) and chemical compounds is essential in various scientific fields. For instance, in pharmaceuticals, the effectiveness of a medication can depend on whether its ingredients are formulated as a mechanical mixture (机械混合物) or a chemical compound. Understanding how different substances interact in a mechanical mixture (机械混合物) can lead to better formulations and improved therapeutic outcomes.In conclusion, the term mechanical mixture (机械混合物) encompasses a wide range of examples and applications in both everyday life and scientific study. By recognizing that a mechanical mixture (机械混合物) consists of physically combined substances that retain their individual properties, we can better appreciate the complexity of materials around us. Whether in cooking, construction, or environmental science, the understanding of mechanical mixtures (机械混合物) is an essential part of comprehending the world we live in.

在化学研究中，我们经常会遇到各种类型的物质及其相互作用。一个基本概念是机械混合物，它指的是两种或多种物质的组合，这些物质并未发生化学结合。在机械混合物（机械混合物）中，每个成分保留其自身特性，可以通过物理方法分离。这与化合物形成的情形相反，在化合物中，物质以一种方式结合在一起，形成具有不同特性的新的物质。为了说明这一概念，考虑一个简单的例子：沙拉。沙拉由各种成分组成，例如生菜、番茄、黄瓜和调味汁。这些成分各自保留其独特的特性；生菜保持脆嫩，番茄多汁，黄瓜爽脆。当它们混合在一起时，形成一道美味的菜肴，但并没有经历任何化学变化。这是机械混合物（机械混合物）的完美例子。另一个常见的机械混合物（机械混合物）例子是一个装有弹珠的袋子。如果你有一堆不同颜色和大小的弹珠，当你把它们放进袋子里时，它们形成了一个机械混合物。你可以轻松地根据颜色或大小分开弹珠，而不会改变它们各自的特性。这种分离成分的能力是机械混合物（机械混合物）的一个关键特征。理解机械混合物（机械混合物）的重要性超出了课堂。在日常生活中，我们会遇到许多机械混合物（机械混合物）的例子。例如，在制作混凝土时，沙子、砾石、水泥和水被混合在一起。虽然它们在硬化后形成一个固体块，但在混合物硬化之前，每种成分仍然可以识别和分离。这种理解在建筑和材料科学中至关重要，因为最终产品的特性取决于用于机械混合物（机械混合物）的成分比例。除了实际应用外，机械混合物（机械混合物）的概念在环境科学中也具有重要意义。例如，土壤就是一种自然的机械混合物（机械混合物），由矿物质、有机物、水和空气组成。每个成分在支持植物生长和维持生态系统平衡中发挥着重要作用。理解土壤作为机械混合物（机械混合物）的组成，有助于科学家和农民有效且可持续地管理土地使用。此外，机械混合物（机械混合物）和化合物之间的区别在各个科学领域中都是至关重要的。例如，在制药行业，药物的有效性可能取决于其成分是否以机械混合物（机械混合物）或化合物的形式配制。理解不同物质在机械混合物（机械混合物）中的相互作用，可以导致更好的配方和改善的治疗效果。总之，术语机械混合物（机械混合物）涵盖了日常生活和科学研究中广泛的例子和应用。通过认识到机械混合物（机械混合物）由物理结合的物质组成，并保留其各自的特性，我们可以更好地欣赏周围材料的复杂性。无论是在烹饪、建筑还是环境科学中，对机械混合物（机械混合物）的理解是理解我们生活世界的一个重要部分。