double bond
简明释义
双键
英英释义
A double bond is a type of chemical bond where two pairs of electrons are shared between two atoms, resulting in a stronger connection than a single bond. | 双键是一种化学键,其中两个原子之间共享两对电子,导致比单键更强的连接。 |
例句
1.The double bond 双键 in alkenes is what gives them their characteristic reactivity.
烯烃中的双键 双键是赋予它们特征反应性的原因。
2.The presence of a double bond 双键 in unsaturated fats makes them more reactive than saturated fats.
不饱和脂肪中的双键 双键使它们比饱和脂肪更具反应性。
3.When drawing the molecular structure, remember to indicate the double bond 双键 between the two oxygen atoms.
在绘制分子结构时,请记得标示两个氧原子之间的双键 双键。
4.In organic chemistry, a carbon atom can form a double bond 双键 with another carbon atom to create ethylene.
在有机化学中,一个碳原子可以与另一个碳原子形成一个双键 双键,以生成乙烯。
5.In addition to single bonds, the double bond 双键 plays a crucial role in determining the geometry of molecules.
除了单键外,双键 双键在决定分子的几何形状方面起着至关重要的作用。
作文
In the world of chemistry, a double bond is a type of chemical bond that involves the sharing of two pairs of electrons between two atoms. This bond is stronger than a single bond, where only one pair of electrons is shared. The concept of a double bond is crucial in understanding the structure and reactivity of many organic compounds. For instance, in molecules like ethylene (C2H4), the carbon atoms are connected by a double bond, which significantly affects the molecule's properties and behavior.Beyond the realm of chemistry, the term double bond can also be metaphorically applied to human relationships. Just as a double bond signifies a stronger connection between atoms, it can symbolize a deeper, more meaningful connection between people. In friendships and romantic relationships, a double bond might represent trust, loyalty, and emotional intimacy. When individuals share their thoughts, feelings, and experiences with one another, they create a double bond that enhances their relationship.For example, consider the bond between two best friends who have known each other for years. Their double bond is forged through shared experiences, mutual support, and an understanding that goes beyond surface-level interactions. They are there for each other during tough times, celebrating successes and navigating challenges together. This double bond makes their friendship resilient and enduring.In contrast, relationships lacking this depth may only form a single bond, which can be fragile and superficial. Such connections may not withstand the test of time or adversity, as they lack the strong foundation built on trust and understanding. Therefore, fostering a double bond in relationships can lead to more fulfilling and lasting connections.Furthermore, the idea of a double bond can extend to family dynamics as well. Parents and children often develop a double bond through love, care, and shared experiences. This bond is essential for healthy emotional development and can influence a child's sense of security and self-esteem. A strong double bond within a family can create a supportive environment where members feel safe to express themselves and grow.In conclusion, whether in the context of chemistry or human relationships, the notion of a double bond carries significant weight. It represents strength, connection, and resilience. Understanding the importance of double bonds in both scientific and personal realms can help us appreciate the complexity of the world around us and the relationships we cultivate within it. By nurturing these double bonds, we can foster deeper connections that enrich our lives and promote mutual growth and understanding.
在化学世界中,双键是一种化学键,涉及两个原子之间共享两对电子。这种键比单键更强,单键只共享一对电子。双键的概念在理解许多有机化合物的结构和反应性方面至关重要。例如,在乙烯(C2H4)等分子中,碳原子通过双键连接,这显著影响了分子的性质和行为。在化学领域之外,术语双键也可以隐喻地应用于人际关系。正如双键表示原子之间更强的连接,它可以象征人们之间更深层次、更有意义的联系。在友谊和浪漫关系中,双键可能代表信任、忠诚和情感亲密。当个人与彼此分享思想、感受和经历时,他们就创造了一个双键,增强了他们的关系。例如,考虑两个认识多年的好朋友之间的纽带。他们的双键是通过共同经历、相互支持和超越表面互动的理解而形成的。他们在艰难时期彼此陪伴,共同庆祝成功和应对挑战。这种双键使他们的友谊变得坚韧而持久。相比之下,缺乏这种深度的关系可能仅形成单键,这可能是脆弱和肤浅的。这种联系可能无法经受时间或逆境的考验,因为它们缺乏建立在信任和理解基础上的强大基础。因此,在关系中培养双键可以导致更充实和持久的联系。此外,双键的概念也可以扩展到家庭动态中。父母和孩子之间通常通过爱、关心和共同经历发展出双键。这种纽带对健康的情感发展至关重要,并且可以影响孩子的安全感和自尊心。家庭中的双键可以创造一个支持性的环境,使成员感到安全,能够自由表达自己并成长。总之,无论是在化学还是人际关系的背景下,双键的概念都具有重要意义。它代表了力量、联系和韧性。理解双键在科学和个人领域的重要性,可以帮助我们欣赏周围世界的复杂性以及我们所培养的关系。通过培养这些双键,我们可以促进更深层次的联系,丰富我们的生活,促进相互成长和理解。