reductant

简明释义

英[rɪˈdʌktənt]美[rɪˈdʌktənt]

n. [助剂] 还原剂

英英释义

单词用法

同义词

反义词

例句

1.It was suggested that oxygenation of glycine provided indeed reductant for NO_3 ~ - reduction in cytoplasms and energy for NO_3 ~ - uptake by roots of wheat seedling.

这意味着甘氨酸的氧化，确能为小麦幼苗细胞质中NO_3 ~-还原提供还原剂和为根系NO_3 ~ -吸收提供能量。

2.The experiments indicated that it was possible that the reductant of NBT in the freeze thaw cycle was superoxide anion free radical.

实验还表明还原NBT的还原剂很可能是超氧阴离子自由基。

3.The effect of the oxidant, reductant, temperature and the time of placement of felted sample on the performance of the adhesive were investigated.

研究了氧化剂、还原剂以及温度和放置时间对环氧丙烯酸酯胶粘剂性能的影响。

4.Methods the acidity of the solution and preparation method of reductant were changed, and the optimum analysis conditions were discovered.

改变溶液的酸度及还原剂的配制方法，找出最佳分析条件。

5.The selenium source is mixture system comprising selenide and reductant or metal selenium powder.

所述硒源为含硒化合物与还原剂组成的体系，或者为金属硒粉。

6.This paper introduces a method of producing metallization pellet with laterite nickel ore as raw material and coal as a reductant in car bottom continuous furnace.

介绍了一种利用台车连续炉，以红土镍矿为原料，煤粉为还原剂，生产镍铁金属化球团的方法。

7.It was suggested that oxygenation of glycine provided indeed reductant for NO_3 ~ - reduction in cytoplasms and energy for NO_3 ~ - uptake by roots of wheat seedling.

这意味着甘氨酸的氧化，确能为小麦幼苗细胞质中NO_3 ~-还原提供还原剂和为根系NO_3 ~ -吸收提供能量。

8.In the chemical reaction, hydrogen acts as a reductant.

在这个化学反应中，氢气作为一个还原剂。

9.The reductant used in this process helps to reduce metal ions.

这个过程使用的还原剂有助于还原金属离子。

10.Sodium borohydride is a common reductant in organic chemistry.

硼氢化钠是有机化学中常见的还原剂。

11.In redox reactions, the reductant donates electrons to another substance.

在氧化还原反应中，还原剂将电子捐赠给另一种物质。

12.Carbon monoxide can serve as a reductant in metallurgical processes.

一氧化碳可以作为冶金过程中的还原剂。

作文

In the field of chemistry, understanding the roles of various substances in reactions is crucial. One such term that often comes up is reductant, which refers to a substance that donates electrons in a chemical reaction, thereby reducing another substance. This process is part of what is known as redox reactions, where oxidation and reduction occur simultaneously. The significance of reductants cannot be overstated, as they play vital roles in many biological and industrial processes. For instance, in cellular respiration, glucose acts as a reductant. When glucose is oxidized, it loses electrons, which are then transferred to oxygen, reducing it in the process. This transfer of electrons is essential for generating energy in the form of ATP, which powers numerous cellular functions. Without reductants, the energy production process would be severely hampered, demonstrating their importance in living organisms. Moreover, in industrial applications, reductants are used in various metallurgical processes. For example, in the extraction of metals from their ores, carbon often serves as a reductant. When iron oxide is heated with carbon, the carbon reduces the iron oxide to iron, while itself being oxidized to carbon dioxide. This reaction is fundamental in the steel-making industry, where high-quality iron is required for construction and manufacturing. The definition of reductant extends beyond just a single role in electron transfer; it encompasses a variety of substances that can donate electrons. Common examples include hydrogen gas, metals like zinc, and even organic compounds. Each of these reductants has unique properties that make them suitable for specific reactions, highlighting the diversity within this category of substances. Understanding how reductants function also opens the door to exploring their environmental implications. For instance, in the context of pollution control, certain reductants can be employed to reduce harmful emissions. In the treatment of wastewater, reductants can help convert toxic compounds into less harmful substances, thus playing a role in environmental remediation. In conclusion, the term reductant is not merely a technical jargon but a concept that bridges various scientific disciplines. From its role in fundamental biological processes to its application in industrial practices and environmental protection, reductants are integral to both nature and technology. By recognizing the importance of these substances, we can appreciate the intricate balance of chemical reactions that sustain life and drive innovation. As we continue to explore the complexities of chemistry, the understanding of terms like reductant will undoubtedly enhance our grasp of the world around us.

在化学领域，理解各种物质在反应中的角色至关重要。其中一个常见的术语是还原剂，指的是在化学反应中捐赠电子的物质，从而使另一种物质被还原。这个过程是所谓的氧化还原反应的一部分，其中氧化和还原同时发生。还原剂的重要性不容小觑，因为它们在许多生物和工业过程中发挥着重要作用。 例如，在细胞呼吸中，葡萄糖充当还原剂。当葡萄糖被氧化时，它失去电子，这些电子随后转移给氧气，使其在此过程中被还原。这种电子转移对于生成ATP形式的能量至关重要，ATP为众多细胞功能提供动力。没有还原剂，能量生产过程将受到严重阻碍，显示出它们在生物体中的重要性。 此外，在工业应用中，还原剂被用于各种冶金过程。例如，在从矿石中提取金属时，碳通常作为还原剂。当氧化铁与碳加热时，碳将氧化铁还原为铁，同时自身被氧化为二氧化碳。这一反应在钢铁制造行业中至关重要，优质铁是建筑和制造所需的。 还原剂的定义不仅仅局限于电子转移中的单一角色；它涵盖了多种可以捐赠电子的物质。常见的例子包括氢气、锌等金属，甚至有机化合物。每一种还原剂都有其独特的性质，使其适合特定反应，突显了这一类别物质的多样性。 了解还原剂的功能还为我们探索其环境影响打开了大门。例如，在污染控制的背景下，某些还原剂可用于减少有害排放。在废水处理过程中，还原剂可以帮助将有毒化合物转化为较少有害的物质，从而在环境修复中发挥作用。 总之，术语还原剂不仅仅是技术术语，而是一个连接各种科学学科的概念。从其在基本生物过程中的角色到其在工业实践和环境保护中的应用，还原剂对自然和技术都是不可或缺的。通过认识这些物质的重要性，我们可以欣赏到维持生命和推动创新的化学反应的复杂平衡。随着我们继续探索化学的复杂性，对像还原剂这样的术语的理解无疑将增强我们对周围世界的把握。