nonpolar

简明释义

英[ˌnɒnˈpəʊlə(r)]美[nɑːnˈpoʊlər]

adj. [化学] 非极性的；无极的

英英释义

单词用法

同义词

反义词

例句

1.The eluent is changed in a regular manner starting with a nonpolar solvent and gradually replacing it by a more polar one.

洗脱液以常规的顺序更换，首先用非极性溶剂，然后逐步被极性较强的所替换。

2.We can say that a nonpolar molecule you can have as a result of two different conditions.

所以你可以说非极性分子，有两种构成方式。

3.Isoleucine a nonpolar AMINO ACID, synthesized from threonine.

是一种非极性氨基酸，由苏氨酸合成。

4.If we can do that, we'll end up with a symmetric nonpolar molecule.

如果我们能这样做，我们就能得到那些对称非极性的分子。

5.This is the essential prerequisite for nonpolar oil to intensify hydrophobic flocculation.

这是非极性油对疏水作用起强化作用的前提条件。

6.Acidic, basic, polar, and nonpolar residues, and special properties of specific amino acids.

酸性、碱性、极性与非极性残基，以及特定氨基酸的特殊性质。

7.The reason why fats are nonpolar is due to their long hydrocarbon chains.

脂肪之所以是非极性的原因是由于它们的长碳氢链。

8.The nonpolar nature of certain gases like oxygen allows them to diffuse easily through cell membranes.

某些气体如氧气的非极性特性使它们能够轻易地通过细胞膜扩散。

9.Oil is a classic example of a nonpolar substance, which means it does not mix well with water.

油是一个经典的非极性物质的例子，这意味着它与水不容易混合。

10.When mixing substances, nonpolar solvents are often used for dissolving oils and greases.

在混合物质时，通常使用非极性溶剂来溶解油和脂肪。

11.In chemistry, nonpolar molecules tend to have equal sharing of electrons between atoms.

在化学中，非极性分子倾向于在原子之间均匀地共享电子。

作文

In the realm of chemistry, understanding the properties of different compounds is crucial for various applications, from pharmaceuticals to environmental science. One important concept that often comes up is that of nonpolar (非极性) substances. These are molecules that do not have a significant charge separation, meaning that their electrical charges are evenly distributed. This characteristic leads to unique behaviors and interactions with other substances. For instance, nonpolar (非极性) molecules tend to be hydrophobic, which means they do not mix well with water. This property is essential in biological systems, where the formation of cell membranes relies on the nonpolar (非极性) nature of lipids. The lipid bilayer serves as a barrier, allowing cells to maintain a distinct internal environment while interacting with their surroundings.Moreover, in the field of organic chemistry, many common solvents are classified as nonpolar (非极性), such as hexane and benzene. These solvents are often used to dissolve nonpolar (非极性) compounds, which cannot be dissolved in polar solvents like water. This principle is critical in extraction processes where specific compounds need to be isolated from mixtures. For example, in the extraction of essential oils from plants, nonpolar (非极性) solvents help to separate the aromatic compounds without dissolving unwanted polar substances.The significance of nonpolar (非极性) molecules extends beyond just chemistry; it also plays a vital role in environmental science. Many pollutants are nonpolar (非极性), which allows them to accumulate in fatty tissues of living organisms. This bioaccumulation can lead to significant ecological and health issues, as these substances become more concentrated as they move up the food chain. Understanding the nonpolar (非极性) nature of these pollutants is essential for developing strategies to mitigate their impact on ecosystems and human health.In addition, the concept of nonpolar (非极性) is also applied in the field of materials science. Many polymers exhibit nonpolar (非极性) characteristics, making them suitable for specific applications, such as waterproof coatings or insulation materials. The ability of nonpolar (非极性) materials to repel water can be advantageous in various industries, including construction and textiles.Overall, the understanding of nonpolar (非极性) substances is fundamental across multiple scientific disciplines. From biology to environmental science and materials engineering, the properties of nonpolar (非极性) molecules influence both natural processes and technological advancements. As we continue to explore the intricacies of chemistry, the role of nonpolar (非极性) compounds will undoubtedly remain a topic of great importance, guiding future research and innovation. Therefore, grasping the concept of nonpolar (非极性) substances not only enhances our knowledge of chemical interactions but also equips us to address real-world challenges effectively.

在化学领域，理解不同化合物的性质对各种应用至关重要，从制药到环境科学。一个经常出现的重要概念是非极性（nonpolar）物质。这些是没有显著电荷分离的分子，这意味着它们的电荷均匀分布。这一特性导致了与其他物质的独特行为和相互作用。例如，非极性（nonpolar）分子往往是疏水性的，这意味着它们与水不易混合。这一属性在生物系统中是必不可少的，因为细胞膜的形成依赖于脂质的非极性（nonpolar）特性。脂质双层充当屏障，使细胞能够保持独特的内部环境，同时与周围环境进行互动。此外，在有机化学领域，许多常见的溶剂被归类为非极性（nonpolar），如己烷和苯。这些溶剂通常用于溶解非极性（nonpolar）化合物，而这些化合物无法溶解在像水这样的极性溶剂中。这一原理在提取过程中至关重要，其中需要从混合物中分离出特定的化合物。例如，在植物精油的提取过程中，非极性（nonpolar）溶剂有助于分离香气化合物，而不会溶解不需要的极性物质。非极性（nonpolar）分子的意义不仅限于化学；它在环境科学中也发挥着重要作用。许多污染物是非极性（nonpolar）的，这使它们能够在生物体的脂肪组织中积累。这种生物累积可能导致重大的生态和健康问题，因为这些物质在食物链中向上移动时变得更加集中。理解这些污染物的非极性（nonpolar）特性对于制定减轻其对生态系统和人类健康影响的策略至关重要。此外，非极性（nonpolar）的概念也应用于材料科学。许多聚合物表现出非极性（nonpolar）特性，使它们适合于特定应用，例如防水涂层或绝缘材料。非极性（nonpolar）材料排斥水的能力在建筑和纺织等多个行业中是有利的。总的来说，理解非极性（nonpolar）物质在多个科学学科中是基础。从生物学到环境科学和材料工程，非极性（nonpolar）分子的特性影响着自然过程和技术进步。随着我们继续探索化学的复杂性，非极性（nonpolar）化合物的角色无疑将继续成为一个重要的主题，指导未来的研究和创新。因此，掌握非极性（nonpolar）物质的概念不仅增强了我们对化学相互作用的理解，而且使我们能够有效地应对现实世界的挑战。