double bond

简明释义

双键

英英释义

例句

1.The double bond (双键) in ethylene makes it a key building block for many plastics.

乙烯中的双键（双键）使其成为许多塑料的重要构建块。

2.When discussing unsaturated fats, the presence of a double bond (双键) indicates that the fat is not fully hydrogenated.

在讨论不饱和脂肪时，双键（双键）的存在表明该脂肪未完全氢化。

3.The double bond (双键) in ozone contributes to its unique properties as an oxidizing agent.

臭氧中的双键（双键）使其作为氧化剂具有独特的性质。

4.In molecular biology, the formation of a double bond (双键) can affect the shape and function of biomolecules.

在分子生物学中，双键（双键）的形成可以影响生物大分子的形状和功能。

5.In organic chemistry, a molecule with a double bond (双键) between two carbon atoms is often more reactive than one with only single bonds.

在有机化学中，两个碳原子之间存在的双键（双键）的分子通常比只有单键的分子更具反应性。

作文

In the realm of chemistry, the term double bond refers to a type of chemical bond that involves the sharing of two pairs of electrons between two atoms. This concept is crucial in understanding molecular structures and the behavior of different compounds. For example, in organic chemistry, many important molecules contain double bonds, which significantly influence their reactivity and physical properties. The presence of a double bond can lead to geometric isomerism, where the arrangement of atoms around the bond affects the overall shape and characteristics of the molecule.Understanding double bonds is essential for students and professionals in the field of chemistry. They are commonly found in hydrocarbons, particularly in alkenes, which are characterized by at least one double bond between carbon atoms. This double bond not only contributes to the stability of the molecule but also makes it more reactive than its saturated counterparts, which only have single bonds.The significance of double bonds extends beyond chemistry into various industries, including pharmaceuticals, agriculture, and materials science. In pharmaceuticals, for instance, the presence of a double bond in a drug's molecular structure can affect its efficacy and how it interacts with biological systems. Similarly, in agriculture, certain herbicides and pesticides utilize double bonds to enhance their effectiveness against pests and weeds.Moreover, the concept of a double bond can also be metaphorically applied to relationships and social interactions. Just as a double bond signifies a strong connection between atoms, it can represent a strong emotional or social connection between individuals. In this context, a double bond might symbolize trust, commitment, and mutual support. For example, in close friendships or romantic relationships, individuals often form a double bond that allows them to navigate challenges together, fostering a sense of unity and resilience.In conclusion, the term double bond encompasses both a fundamental concept in chemistry and a metaphor for human relationships. Recognizing the importance of double bonds in molecular structures helps us appreciate the complexity of chemical interactions, while understanding their metaphorical implications can enrich our perspectives on personal connections. Whether in the laboratory or in our daily lives, the idea of a double bond serves as a reminder of the strength and significance of connections, both at the atomic level and within our social spheres.

在化学领域，术语双键指的是一种化学键，涉及两个原子之间共享两对电子的情况。这个概念对于理解分子结构和不同化合物的行为至关重要。例如，在有机化学中，许多重要的分子含有双键，这显著影响它们的反应性和物理性质。双键的存在可以导致几何异构现象，其中原子围绕键的排列影响分子的整体形状和特征。理解双键对于化学领域的学生和专业人士来说是必不可少的。它们通常存在于烃类中，特别是在烯烃中，这些烯烃的特点是至少有一个碳原子之间的双键。这个双键不仅有助于分子的稳定性，而且使其比仅具有单键的饱和物质更具反应性。双键的重要性超越了化学，延伸到制药、农业和材料科学等各个行业。例如，在制药行业，药物分子结构中双键的存在可能影响其疗效以及与生物系统的相互作用。同样，在农业中，某些除草剂和杀虫剂利用双键来增强其对害虫和杂草的有效性。此外，双键的概念也可以隐喻地应用于人际关系和社会互动。正如双键表示原子之间的强连接，它可以代表个人之间的强烈情感或社会联系。在这种情况下，双键可能象征着信任、承诺和相互支持。例如，在紧密的友谊或浪漫关系中，个人往往形成双键，使他们能够共同应对挑战，培养团结和韧性的感觉。总之，术语双键既包含了化学中的基本概念，也是一种人际关系的隐喻。认识到双键在分子结构中的重要性，帮助我们欣赏化学相互作用的复杂性，而理解其隐喻意义则可以丰富我们对个人连接的看法。无论是在实验室还是在日常生活中，双键的概念都提醒我们，无论是在原子层面还是在我们的社会领域内，连接的力量和重要性。