cationic

简明释义

英[ˌkætaɪˈɒnɪk]美[ˌkætaɪˈɑːnɪk]

adj. 阳离子的

n. 阳离子

英英释义

单词用法

同义词

反义词

例句

1.The synthesis and application of cationic polyelectrolyte with high density charge.

高密度电荷阳离子聚电解质的制备及应用。

2.Some of the cationic proteins are bactericidal.

一些阳离子蛋白质是能杀菌的。

3.A method of cationic starch made by paper mill is introduced.

本文介绍一种造纸厂自制阳离子淀粉的方法。

4.Classification, varieties, simple synthesis process and application of cationic softeners were introduced.

介绍了阳离子柔软剂的分类、品种、简单合成方法及应用。

5.The acrylic fibers can be dyed by cationic dyes, disperse dyes and dispersive cationic dyes.

腈纶纤维可采用阳离子染料、分散染料及分散型阳离子染料染色。

6.The effects of 19 anionic and 36 cationic species in aqua phase were examined.

考查了水相中存在19种阴离子和36种阳离对测定的影响。

7.The compatibility of cationic dyes is a very important feature because most cationic dyes are complexed dyes.

由于大多数阳离子染料都是复合使用，所以阳离子染料的相容性是一项重要的特性。

8.And cation exchange membrane only allow cationic through, does not allow anionic through.

而阳离子交换膜只允许阳离子透过，不允许阴离子透过。

9.Figure 7... Several monomers for cationic ring... opening polymerization.

图7…几种阳离子开环聚合的单体。

10.The cationic 阳离子 liposomes are used for drug delivery systems due to their ability to fuse with cell membranes.

阳离子脂质体因其与细胞膜融合的能力而被用于药物递送系统。

11.In wastewater treatment, cationic 阳离子 polymers help in coagulation and flocculation processes.

在废水处理过程中，阳离子聚合物有助于凝聚和絮凝过程。

12.The cationic 阳离子 surfactants are often used in fabric softeners to reduce static cling.

阳离子表面活性剂通常用于织物柔顺剂中，以减少静电吸附。

13.The cationic 阳离子 nature of certain dyes makes them more suitable for dyeing acrylic fibers.

某些染料的阳离子特性使它们更适合染色丙烯纤维。

14.Many hair conditioners contain cationic 阳离子 agents that help to smooth the hair cuticle.

许多护发素含有阳离子成分，有助于平滑发质表层。

作文

In the field of chemistry, understanding different types of ions is crucial for various applications, especially in the development of new materials and technologies. One of the most important categories of ions is the cationic ions, which are positively charged particles that play a significant role in many chemical reactions. The term cationic derives from the word 'cation,' which refers to any ion that carries a positive charge. This property allows cationic ions to interact with negatively charged particles, such as anions and certain types of molecules, leading to a variety of chemical behaviors.Cationic ions are commonly found in everyday substances. For instance, sodium (Na+) and potassium (K+) are two examples of cationic ions that are essential for biological functions in living organisms. These ions help maintain fluid balance and are critical for nerve impulse transmission. In addition, cationic compounds are often used in the formulation of detergents and disinfectants due to their ability to bind with negatively charged dirt and bacteria, effectively removing them from surfaces.Moreover, the significance of cationic ions extends beyond household products; they are also pivotal in various industrial processes. In the textile industry, cationic dyes are employed to impart color to fabrics. These dyes have a positive charge that allows them to adhere well to the negatively charged fibers, resulting in vibrant and long-lasting colors. Additionally, in water treatment processes, cationic coagulants are utilized to remove impurities from water. By neutralizing the negative charges on suspended particles, these coagulants facilitate the aggregation of particles into larger flocs, which can then be easily removed.The versatility of cationic ions is also evident in the field of pharmaceuticals. Many drugs are designed to be cationic to enhance their solubility and absorption in the body. For example, certain cationic polymers are used to create drug delivery systems that improve the bioavailability of medications. This innovation has led to more effective treatments for various medical conditions.Furthermore, research continues to explore the potential of cationic materials in advanced technologies. For instance, cationic nanoparticles are being investigated for their use in targeted drug delivery and imaging techniques in medicine. Their positive charge allows them to interact selectively with specific cells or tissues, enhancing the precision of treatments while minimizing side effects.In conclusion, the study of cationic ions and their applications is vital across multiple disciplines, including chemistry, biology, and engineering. From household products to cutting-edge medical technologies, cationic ions demonstrate their importance in our daily lives and the advancement of science. Understanding the behavior and properties of cationic ions not only enriches our knowledge of chemical interactions but also opens up new avenues for innovation and improvement in various fields.

在化学领域，理解不同类型的离子对于各种应用至关重要，特别是在新材料和技术的发展中。最重要的离子类别之一是阳离子离子，它们是带正电荷的粒子，在许多化学反应中发挥着重要作用。术语阳离子源自“阳离子”一词，指的是任何带有正电荷的离子。这一特性使得阳离子离子能够与带负电荷的粒子（如阴离子和某些类型的分子）相互作用，从而导致各种化学行为。阳离子离子在日常物质中随处可见。例如，钠（Na+）和钾（K+）是两个例子，它们是生物体内必需的阳离子，对生物功能至关重要。这些离子有助于维持液体平衡，并对神经冲动传导至关重要。此外，由于其能够与带负电荷的污垢和细菌结合，有效地将它们从表面去除，因此阳离子化合物通常用于洗涤剂和消毒剂的配方中。此外，阳离子离子的意义超越了家庭产品；它们在各种工业过程中也至关重要。在纺织工业中，使用阳离子染料为织物上色。这些染料带有正电荷，使它们能够很好地附着在带负电荷的纤维上，从而产生鲜艳且持久的颜色。此外，在水处理过程中，使用阳离子混凝剂去除水中的杂质。通过中和悬浮颗粒上的负电荷，这些混凝剂促进了颗粒聚集成较大的絮凝物，从而可以轻松去除。阳离子离子的多功能性在制药领域也显而易见。许多药物被设计为阳离子以增强其在体内的溶解度和吸收。例如，某些阳离子聚合物用于创建药物递送系统，从而提高药物的生物利用度。这一创新已导致对各种疾病的更有效治疗。此外，研究仍在探索阳离子材料在先进技术中的潜力。例如，正在研究阳离子纳米颗粒在靶向药物递送和医学成像技术中的应用。它们的正电荷使它们能够选择性地与特定细胞或组织相互作用，从而提高治疗的精确性，同时减少副作用。总之，研究阳离子离子及其应用在多个学科中至关重要，包括化学、生物学和工程学。从家庭产品到尖端医疗技术，阳离子离子在我们的日常生活和科学进步中展示了其重要性。理解阳离子离子的行为和特性不仅丰富了我们对化学相互作用的知识，还为各个领域的创新和改进开辟了新的途径。