bromine
简明释义
n. [化学] 溴
英英释义
单词用法
[化]溴水 |
同义词
溴 | 溴常用于阻燃剂中。 |
反义词
氯 | 氯通常用于消毒水。 | ||
碘 | 碘常用作防腐剂。 |
例句
1.Recent research shows that the computer screen can produce a carcinogenic substance called bromine dibenzofuran, which is harmful to human's health.
近期的研究表明电脑屏幕可以产生一种叫做溴二苯并呋喃的致癌物质。
2.Thesubstitution of bromine atoms is on the tertiary carbon of main-chain of the polymersprimally.
反应以自由基机理进行,溴取代主要发生在主链上的叔氢原子上。
3.Objective To observe the efficacy of bromine-containing disinfectant in on-the-spot disinfection of swimming pool water.
目的观察含溴消毒剂对游泳池水现场消毒效果。
4.The number of cationic bromine and chlorine compounds is restricted.
溴、氯阳离子化合物的数量受局限。
5.In this paper, application and synthesis technology of bromine chloride are introduced.
本文介绍了氯化溴的应用领域及合成工艺。
6.Lithium ion battery, flow cell, sodium sulfur battery, lead acid battery, lead carbon battery, zinc bromine battery and other chemical energy storage products.
锂离子电池、液流电池、钠硫电池、铅酸蓄电池、铅碳电池、锌溴电池等化学储能产品。
7.Some impurity as well as bromine was brought by solid matter that smuggled with foam fog in flash steam.
闪蒸气中雾沫夹带的固体物引入了溴等杂质。
8.Results show that the addition reaction of bromine with acetylene was obviously influenced by light condition.
研究表明,光线条件对溴素与乙炔加成反应过程有非常明显的影响。
9.The reddish-brown liquid in the laboratory was identified as bromine (溴).
实验室中的红棕色液体被确认是bromine(溴)。
10.Some medications contain bromine (溴) compounds for their therapeutic effects.
一些药物含有bromine(溴)化合物以发挥其治疗效果。
11.The chemical formula for the element is Br, which represents bromine (溴).
该元素的化学式为Br,代表bromine(溴)。
12.In swimming pools, bromine (溴) is often used as a disinfectant instead of chlorine.
在游泳池中,bromine(溴)通常作为消毒剂使用,而不是氯。
13.When exposed to air, bromine (溴) can release toxic fumes.
暴露在空气中时,bromine(溴)可能释放出有毒烟雾。
作文
Bromine is a fascinating element that holds a significant place in the world of chemistry. It is represented by the symbol bromine and has an atomic number of 35. This element is unique because it is one of the only two elements that are liquid at room temperature, the other being mercury. The discovery of bromine dates back to the early 19th century when it was first isolated by the chemist Antoine Jérôme Balard in 1826. Since then, bromine has been extensively studied and utilized in various applications.One of the most interesting aspects of bromine is its natural occurrence. It can be found in seawater, where it exists in the form of bromide ions. These ions can be extracted through evaporation processes, making bromine relatively abundant in the ocean. Due to its high reactivity, bromine does not exist in its elemental form in nature; instead, it is usually found in compounds with other elements.The chemical properties of bromine are quite intriguing. It belongs to the halogen group, which includes fluorine, chlorine, iodine, and astatine. Like other halogens, bromine readily forms compounds with metals and nonmetals alike. For instance, when bromine reacts with sodium, it forms sodium bromide, a compound widely used in various industries. Additionally, bromine is known for its ability to act as a strong oxidizing agent, which makes it useful in many chemical reactions.In terms of practical applications, bromine plays a crucial role in several industries. One of its most significant uses is in the production of flame retardants. These compounds are added to materials such as plastics and textiles to reduce their flammability. The incorporation of bromine in these products has been instrumental in enhancing safety standards in various sectors, including construction and manufacturing.Moreover, bromine is also utilized in the field of pharmaceuticals. Certain brominated compounds have therapeutic properties and are used in the treatment of various medical conditions. For example, some sedatives and anticonvulsants contain bromine derivatives, highlighting its importance in modern medicine.However, despite its usefulness, bromine must be handled with care due to its toxic nature. Exposure to bromine can lead to skin and respiratory irritation, and in high concentrations, it can be harmful. Therefore, safety precautions are essential when working with this element in laboratory and industrial settings.In conclusion, bromine is a remarkable element with a rich history and a wide range of applications. From its discovery to its current uses in flame retardants and pharmaceuticals, bromine continues to be an integral part of the chemical landscape. Understanding the properties and applications of bromine not only enhances our knowledge of chemistry but also underscores the importance of safety and responsible handling of chemical substances in our daily lives.
溴是一种迷人的元素,在化学世界中占有重要地位。它的化学符号是bromine,原子序数为35。这个元素非常独特,因为它是室温下仅有的两种液体元素之一,另一种是汞。bromine的发现可以追溯到19世纪初,当时化学家安托万·热罗姆·巴拉尔于1826年首次将其分离。从那时起,bromine就被广泛研究并应用于各种领域。bromine最有趣的方面之一是它的天然存在。它可以在海水中找到,以溴离子的形式存在。这些离子可以通过蒸发过程提取,使得bromine在海洋中相对丰富。由于其高度反应性,bromine在自然界中不会以元素形式存在;相反,它通常与其他元素形成化合物。bromine的化学性质非常引人入胜。它属于卤素族,包括氟、氯、碘和砹。像其他卤素一样,bromine容易与金属和非金属形成化合物。例如,当bromine与钠反应时,形成了溴化钠,这是一种广泛用于各个行业的化合物。此外,bromine以强氧化剂的能力而闻名,这使得它在许多化学反应中非常有用。在实际应用方面,bromine在多个行业中发挥着至关重要的作用。它最重要的用途之一是在生产阻燃剂中。这些化合物被添加到塑料和纺织品等材料中,以降低其可燃性。将bromine纳入这些产品对于提高建筑和制造等各个行业的安全标准至关重要。此外,bromine还被用于制药领域。某些溴化化合物具有治疗特性,用于治疗各种医疗条件。例如,一些镇静剂和抗癫痫药物含有bromine衍生物,突显了它在现代医学中的重要性。然而,尽管bromine十分有用,但由于其毒性,必须谨慎处理。接触bromine可能导致皮肤和呼吸道刺激,并且在高浓度下可能有害。因此,在实验室和工业环境中处理这种元素时,安全预防措施至关重要。总之,bromine是一种引人注目的元素,拥有丰富的历史和广泛的应用。从其发现到目前在阻燃剂和制药中的应用,bromine继续成为化学领域的重要组成部分。理解bromine的性质和应用不仅增强了我们对化学的知识,也强调了在日常生活中安全和负责任地处理化学物质的重要性。