polybasic

简明释义

英[ˌpɒlɪˈbeɪsɪk]美[ˌpɑːliˈbeɪsɪk]

adj. 多元的；多碱的；多硷的

英英释义

单词用法

同义词

反义词

例句

1.This invention relates to glycerinoid polybasic alcohol compositions which are solid or liquid compositions composed of sorbitol and diglycol, 1,3-butanediol or 1,4-butanediol.

本发明的类甘油多元醇组合物是由山梨醇与二甘醇、1，3-丁二醇或1，4-丁二醇组成的固态或液态组合物。

2.Simulated sample and mixed reaction solution of polybasic acids are analyzed in comparison with the results of ion-chromatography. The calculation error is less than 7%.

本法用于分析模拟样品和混合弱酸反应液，并用离子色谱法进行对照，计算误差小于7%。

3.Objective:Quantitative analysis of four polybasic alcohols and condensation alcohols.

目的：对多元醇及多元缩合醇的定量分析。

4.At room temperature, polyether-polybasic alcohol, polyisocyanate and so on were used as mainly materials to synthesize a series of high-hardness polyether urethane elastomers.

在室温下，选用聚醚多元醇，多异氰酸酯等材料，合成了一系列高硬度聚氨酯弹性体。

5.By using sulfobetaine derivant as leveling agent and polybasic acid as complexant of interfering ions, the brightener SN-1 for nickel plating is developed.

以磺基甜莱碱的衍生物为整平剂，多元有机酸为干扰离子络合剂，研制了SN - 1镀镍光亮剂。

6.Packing: Sweaters are warned in polybasic and packed in standard export cardboard carton.

包装：针织套衫用聚乙烯塑料袋包装，装入出口用标准纸板箱。

7.Polyester resins are the condensation products of polybasic acids and polyols.

树脂是多元酸和多元羟基化合缩聚而成。

8.This paper introduces a polybasic polycondensated resin adhesive.

提出了一种多元共缩聚树脂胶粘剂。

9.The polybasic (多酸的) nature of phosphoric acid makes it useful in various industrial applications.

磷酸的polybasic（多酸的）特性使其在各种工业应用中非常有用。

10.A polybasic (多酸的) solution can be neutralized by adding a sufficient amount of a strong base.

通过添加足够量的强碱，可以中和polybasic（多酸的）溶液。

11.In organic chemistry, a polybasic (多酸的) acid can react with more than one molecule of a base.

在有机化学中，polybasic（多酸的）酸可以与多个碱分子反应。

12.When titrating a polybasic (多酸的) acid, you must account for multiple equivalence points.

在滴定polybasic（多酸的）酸时，必须考虑多个当量点。

13.The chemical compound is classified as polybasic (多酸的) because it can donate multiple protons in a reaction.

这个化合物被分类为polybasic（多酸的），因为它可以在反应中捐赠多个质子。

作文

In the field of chemistry and materials science, the term polybasic refers to a compound that has multiple acidic groups. This characteristic is crucial when discussing the properties and applications of certain substances. For instance, polybasic acids can donate more than one proton (H+) per molecule in a chemical reaction. This property significantly influences their behavior in various chemical processes, such as neutralization reactions and the formation of salts. Understanding the concept of polybasic compounds can provide valuable insights into how these materials interact with other substances. One common example of a polybasic acid is phosphoric acid (H₃PO₄), which contains three acidic protons. Each of these protons can be released in a stepwise manner, leading to the formation of different phosphate species in solution, such as dihydrogen phosphate (H₂PO₄⁻) and hydrogen phosphate (HPO₄²⁻). This ability to dissociate multiple protons makes phosphoric acid highly versatile in various applications, including fertilizers, food additives, and even dental products. The polybasic nature of such acids allows for a range of pH levels and buffering capacities, which are essential in many biological and industrial processes.Another area where polybasic compounds are significant is in the development of polymers. Many polymerization reactions involve polybasic acids as catalysts or reactants. These compounds can help create complex structures with desirable properties, such as increased strength or flexibility. For instance, the use of polybasic acids in the synthesis of polyesters can lead to materials that are not only durable but also biodegradable, making them environmentally friendly options in today’s market.Furthermore, the study of polybasic compounds extends beyond just acids. There are also polybasic bases, which can accept multiple protons. These compounds play a vital role in various chemical equilibria and can influence the solubility of salts in solutions. Understanding both polybasic acids and bases is essential for chemists working on developing new materials or improving existing ones.In conclusion, the term polybasic encompasses a wide range of chemical compounds that possess multiple acidic or basic sites. This property is fundamental in understanding their behavior in chemical reactions and their applications in various fields. Whether it is in agriculture, manufacturing, or pharmaceuticals, the significance of polybasic compounds cannot be overstated. As research continues to evolve, the exploration of polybasic substances will undoubtedly lead to innovative solutions and advancements in technology, highlighting the importance of this concept in the scientific community.

在化学和材料科学领域，术语polybasic指的是具有多个酸性基团的化合物。这一特性在讨论某些物质的性质和应用时至关重要。例如，多酸可以在化学反应中每个分子释放多个质子（H+）。这一特性显著影响它们在各种化学过程中的行为，例如中和反应和盐的形成。理解polybasic化合物的概念可以为我们提供关于这些材料如何与其他物质相互作用的宝贵见解。一个常见的polybasic酸的例子是磷酸（H₃PO₄），它含有三个酸性质子。每个质子都可以以逐步方式释放，从而导致溶液中不同磷酸盐物种的形成，例如二氢磷酸盐（H₂PO₄⁻）和氢磷酸盐（HPO₄²⁻）。这种多质子解离的能力使得磷酸在许多应用中具有高度的多功能性，包括肥料、食品添加剂甚至牙科产品。polybasic酸的这种特性允许在许多生物和工业过程中实现各种pH水平和缓冲能力。polybasic化合物在聚合物开发中的重要性也不容忽视。许多聚合反应涉及polybasic酸作为催化剂或反应物。这些化合物可以帮助创造出具有理想特性的复杂结构，例如增强的强度或灵活性。例如，在聚酯合成中使用polybasic酸可以导致不仅耐用而且可生物降解的材料，使其成为当今市场上环保的选择。此外，对polybasic化合物的研究不仅限于酸。还有polybasic碱，它们可以接受多个质子。这些化合物在各种化学平衡中发挥着重要作用，并可以影响溶液中盐的溶解度。理解polybasic酸和碱对于化学家们开发新材料或改善现有材料至关重要。总之，术语polybasic涵盖了一系列具有多个酸性或碱性位点的化学化合物。这一特性在理解它们在化学反应中的行为及其在各个领域的应用中是基础性的。无论是在农业、制造业还是制药行业，polybasic化合物的重要性都不容小觑。随着研究的不断发展，对polybasic物质的探索无疑将导致创新解决方案和技术进步，突显了这一概念在科学界的重要性。