halides

简明释义

英[ˈheɪlaɪdz]美[ˈheɪlaɪdz]

n. [无化]卤化物（halide 的复数）；卤化物类

英英释义

单词用法

同义词

反义词

例句

1.The ceramic burner comprises a discharge vessel (22) enclosing a discharge space (24) that is provided with an ionizable filling comprising one or more halides.

陶瓷燃烧器包含围绕放电空间（24）的放电容器（22），所述放电空间（24）具有包含一种或者多种卤化物的可电离填充物。

2.Other saturated acyclic monocarboxylic acids and their anhydrides, halides, peroxides and peroxyacids;

其他饱和非环一元羧酸及酸酐、卤化物、过氧化物及过氧酸；

3.Of some textbooks of organic chemistry, There is a error in equation for preparing amines from alkyl halides and ammonia.

在某些《有机化学》教科书中，卤代烷与氨反应制备胺的反应方程序有误。

4.The method can also be used for the calculations of the phonon dispersions of other alkali halides.

这种方法还可用于其它碱金属卤化物声子谱的计算。

5.The results have shown that the selectivities are good for all substrates and the yields are satisfactory for olefins and halides in this way.

试验结果表明，上述底物用这种新方法进行羰基合成，反应的选择性好，其中烯烃和卤代烃的收率也较高。

6.Chemical fog: Overall density produced by an excessive degree of development, due to unexposed silver halides being attacked by the developing solution.

化学灰雾：显影过度造成全面性增加的密度。是由于未曝光的卤化银被显影液感染所引致。

7.The sensitivity of the response is remarkably improved when halides are added into the radiochromic system.

卤代物添加剂可以大大提高辐射变色薄膜的响应灵敏度；

8.As an important approach of carbon-carbon bond formation and carbon-heteroatom bond formation, photochemistry of organic halides has been studied extensively.

有机卤代物的光反应作为构建碳-碳键和碳-杂原子键的一种重要途径已经得到了广泛和深入的研究。

9.From Acetaldehyde to Zinc Halides... and thousands of liquids and compounds in between, Willcox hose composite hoses are specifically engineered to meet your most challenging transfer applications.

从乙醛对锌金属卤化物…与液体和数以千计的化合物，威尔科克斯软管复合软管是专门设计，以满足您的最具挑战性的转让申请。

10.In organic chemistry, we often study the reactivity of various types of compounds, including halides (卤化物).

在有机化学中，我们经常研究各种类型化合物的反应性，包括halides（卤化物）。

11.The synthesis of alkyl halides (卤烷) is a common reaction in organic laboratories.

在有机实验室中，烷基halides（卤烷）的合成是一种常见反应。

12.Many halides (卤化物) are used as solvents in chemical reactions.

许多halides（卤化物）用作化学反应中的溶剂。

13.The presence of halides (卤化物) can significantly affect the boiling point of compounds.

存在halides（卤化物）可以显著影响化合物的沸点。

14.In environmental studies, the concentration of certain halides (卤化物) in water bodies is monitored.

在环境研究中，水体中某些halides（卤化物）的浓度受到监测。

作文

Halides are a group of chemical compounds that consist of halogen elements combined with other elements, typically metals. The term 'halide' refers to the anion formed when a halogen atom gains an electron. Halogens include fluorine, chlorine, bromine, iodine, and astatine. These elements are found in Group 17 of the periodic table and are known for their reactivity. The most common halides are sodium chloride (table salt), calcium fluoride, and potassium bromide. Understanding the properties and applications of halides (卤化物) is essential in various fields such as chemistry, biology, and materials science. One of the key characteristics of halides (卤化物) is their ability to form ionic bonds. When a metal reacts with a halogen, it often results in the formation of a stable ionic compound. For example, when sodium (a metal) reacts with chlorine (a halogen), they form sodium chloride, where sodium donates an electron to chlorine, resulting in a positively charged sodium ion (Na+) and a negatively charged chloride ion (Cl-). This ionic bond is what gives table salt its crystalline structure and high melting point. In addition to their ionic nature, halides (卤化物) exhibit various physical and chemical properties that make them useful in different applications. For instance, some halides are used as disinfectants or antiseptics due to their ability to kill bacteria and viruses. Chlorine, in particular, is widely used in water treatment processes to ensure safe drinking water by eliminating harmful pathogens. Moreover, halides (卤化物) play a significant role in organic chemistry. They can be used as reagents in chemical reactions to synthesize a variety of organic compounds. For example, alkyl halides are important intermediates in the production of pharmaceuticals and agrochemicals. By replacing the halogen atom with other functional groups, chemists can create a diverse range of compounds with specific properties and functions. The study of halides (卤化物) extends beyond their chemical properties; it also includes their environmental impact. Some halides, particularly those containing chlorine, have been associated with ozone depletion. Chlorofluorocarbons (CFCs), once commonly used as refrigerants and propellants, contain halides that contribute to the thinning of the ozone layer. As a result, international agreements like the Montreal Protocol have been established to phase out the use of such substances in order to protect the environment. In conclusion, halides (卤化物) are an important class of chemical compounds with diverse applications and significant implications for both industry and the environment. From their fundamental role in ionic bonding to their uses in disinfectants and organic synthesis, understanding halides (卤化物) is crucial for anyone studying chemistry or related fields. As we continue to explore the properties and effects of these compounds, we can better appreciate their significance in our daily lives and the broader ecosystem.

卤化物是一类由卤素元素与其他元素（通常是金属）结合形成的化合物。术语“卤化物”指的是当卤素原子获得一个电子时形成的阴离子。卤素包括氟、氯、溴、碘和砹，这些元素位于周期表的第17组，以其反应性而闻名。最常见的卤化物有氯化钠（食盐）、氟化钙和溴化钾。理解halides（卤化物）的性质和应用对于化学、生物学和材料科学等多个领域至关重要。 halides（卤化物）的一个关键特征是它们形成离子键的能力。当金属与卤素反应时，通常会形成稳定的离子化合物。例如，当钠（一种金属）与氯（一种卤素）反应时，它们会形成氯化钠，其中钠将电子捐赠给氯，从而形成带正电的钠离子（Na+）和带负电的氯离子（Cl-）。这种离子键赋予食盐其晶体结构和高熔点。 除了离子特性之外，halides（卤化物）还表现出多种物理和化学性质，使其在不同应用中非常有用。例如，一些卤化物由于能够杀死细菌和病毒而被用作消毒剂或防腐剂。氯尤其广泛用于水处理过程中，以确保安全饮用水，消除有害病原体。 此外，halides（卤化物）在有机化学中也发挥着重要作用。它们可以用作化学反应中的试剂，用于合成各种有机化合物。例如，卤代烷烃是制药和农用化学品生产中的重要中间体。通过用其他官能团取代卤素原子，化学家可以创造出具有特定性质和功能的多种化合物。 对halides（卤化物）的研究不仅限于其化学性质；还包括其环境影响。一些卤化物，特别是含氯的卤化物，与臭氧层的破坏有关。氯氟烃（CFCs）曾广泛用作制冷剂和推进剂，含有导致臭氧层变薄的卤化物。因此，国际协议如《蒙特利尔议定书》已建立，以逐步淘汰这些物质的使用，以保护环境。 总之，halides（卤化物）是一类重要的化学化合物，具有多样的应用和对工业及环境的重要影响。从它们在离子键中的基本作用到它们在消毒剂和有机合成中的应用，理解halides（卤化物）对于任何学习化学或相关领域的人来说都是至关重要的。随着我们继续探索这些化合物的性质和影响，我们可以更好地欣赏它们在日常生活和更广泛生态系统中的重要性。