onium

简明释义

英[ˈoʊniəm]美[ˈoʊniəm]

adj. 鎓的

英英释义

单词用法

同义词

反义词

例句

1.The room temperature modulus and high temperature modulus of cured samples with low content of onium salt initiator have little change before and after the addition of co-initiator.

碘盐引发剂含量较低时，加入共引发剂的体系的常温及高温模量与未加体系相比没有明显变化；

2.The UV-curable acrylated epoxy prepolymer resin was prepared by reacting E-44 epoxy resin with acrylic acid in the presence of onium salt catalyst.

采用E-44环氧树脂与丙烯酸反应，用鎓盐作催化剂，制备了适于配制竹木基涂饰的紫外光固化的环氧丙烯酸酯预聚物，讨论了催化剂的种类对合成反应的影响。

3.The room temperature modulus and high temperature modulus of cured samples with low content of onium salt initiator have little change before and after the addition of co-initiator.

碘盐引发剂含量较低时，加入共引发剂的体系的常温及高温模量与未加体系相比没有明显变化；

4.Nanometer tungsten nitride powders were synthesized as amm onium metatungstate by means of spray drying, calcination, milling and nitration in pure ammonia.

以偏钨酸氨为原料，采用喷雾干燥、焙烧、球磨和纯氨氮化工艺进行了氮化钨粉体制备研究。

5.Ion pairs with different structure of either dye anion or onium cation have different properties.

染料母核和碘翁阳离子的结构均对离子对体系的性质有影响。

6.We studied the stability of the onium 阳离子 under various temperature conditions.

我们研究了不同温度条件下的onium 阳离子的稳定性。

7.The compound contains a positively charged onium 阳离子 that plays a crucial role in its reactivity.

该化合物含有一个带正电的onium 阳离子，在其反应性中起着关键作用。

8.In organic chemistry, onium 阳离子 species are often involved in electrophilic reactions.

在有机化学中，onium 阳离子 物种通常参与亲电反应。

9.The synthesis of the new drug involves the formation of an onium 阳离子 intermediate.

新药的合成涉及一个onium 阳离子中间体的形成。

10.Certain onium 阳离子 compounds are known for their antimicrobial properties.

某些onium 阳离子化合物以其抗微生物特性而闻名。

作文

The term onium refers to a class of chemical compounds that are characterized by their positive charge. In organic chemistry, onium ions often play a crucial role in various chemical reactions and processes. For instance, the ammonium ion, which is derived from ammonia, is an example of an onium compound. This ion is not only significant in the field of chemistry but also has vital implications in biological systems. Understanding the behavior of onium ions can provide insights into the fundamental principles of chemical bonding and reactivity.In the study of organic chemistry, onium ions are often involved in nucleophilic substitutions and eliminations. These reactions are essential for synthesizing complex molecules that are used in pharmaceuticals and other industries. The presence of a onium group can significantly influence the reactivity of a molecule, making it an important consideration for chemists when designing new compounds.Moreover, onium ions are not limited to just ammonium; there are various other types such as phosphonium and sulfonium ions. Each of these ions has unique properties and reactivity patterns that contribute to their utility in synthetic chemistry. For example, phosphonium ions are often utilized as intermediates in the synthesis of organophosphorus compounds, which have applications ranging from agriculture to materials science.The significance of onium ions extends beyond mere chemical reactions. In biological systems, onium compounds are integral to many metabolic pathways. For instance, the ammonium ion plays a vital role in nitrogen metabolism, which is essential for the growth and development of living organisms. Furthermore, understanding how onium ions interact with biological molecules can lead to advancements in drug development and therapeutic strategies.In conclusion, the concept of onium is fundamental in both chemistry and biology. Its implications reach far and wide, affecting everything from industrial processes to the very essence of life itself. As researchers continue to explore the intricacies of onium compounds, we can expect to uncover new applications and deepen our understanding of chemical behavior. This exploration not only enhances our scientific knowledge but also opens doors to innovative solutions for real-world challenges. Thus, mastering the concept of onium is essential for anyone seeking to make significant contributions to the fields of chemistry and biochemistry.

术语onium指的是一种带正电荷的化合物类别。在有机化学中，onium离子通常在各种化学反应和过程中发挥着关键作用。例如，铵离子是从氨衍生而来的，是一个onium化合物的例子。这个离子不仅在化学领域中具有重要意义，而且在生物系统中也有重要的影响。理解onium离子的行为可以提供关于化学键合和反应性的基本原理的见解。在有机化学研究中，onium离子常常参与亲核取代和消除反应。这些反应对合成用于制药和其他行业的复杂分子至关重要。onium基团的存在可以显著影响分子的反应性，因此在设计新化合物时，化学家必须考虑这一点。此外，onium离子不仅限于铵离子；还有其他各种类型，如膦离子和硫离子。每种离子都有独特的性质和反应模式，使其在合成化学中具有实用性。例如，膦离子常被用作合成有机磷化合物的中间体，这些化合物在农业和材料科学等领域有应用。onium离子的意义不仅仅局限于化学反应。在生物系统中，onium化合物是许多代谢途径的组成部分。例如，铵离子在氮代谢中发挥着至关重要的作用，这对生物体的生长和发展至关重要。此外，理解onium离子如何与生物分子相互作用，可以促进药物开发和治疗策略的进步。总之，onium的概念在化学和生物学中都是基础性的。它的影响广泛而深远，从工业过程到生命本质本身都受到影响。随着研究人员继续探索onium化合物的复杂性，我们可以期待发现新的应用，并加深对化学行为的理解。这种探索不仅增强了我们的科学知识，还为解决现实世界的挑战打开了新的大门。因此，掌握onium的概念对于任何希望在化学和生物化学领域做出重大贡献的人来说都是至关重要的。