naphthalin

简明释义

英[ˈnæfθəlin]美[ˈnæfθəˌlɪn]

n. 萘

英英释义

单词用法

同义词

反义词

例句

1.Phyllostachys shoot grown from seed were sprayed by lanthanon multiple fertilization, naphthalin acetic acid, GGR and KH_2PO_4 with random group sample method.

采用随机区组设计方法，对毛竹实生幼苗喷施稀土多元复合肥、萘乙酸、GGR和复混磷酸二氢钾。

2.Phyllostachys shoot grown from seed were sprayed by lanthanon multiple fertilization, naphthalin acetic acid, GGR and KH_2PO_4 with random group sample method.

采用随机区组设计方法，对毛竹实生幼苗喷施稀土多元复合肥、萘乙酸、GGR和复混磷酸二氢钾。

3.Serials of naphthalin and tripolycyanamide have low water reducing efficiency, bad flow degree under low water cement ratio and sharp loss of concrete slump.

萘系与三聚氰胺系减水率较低，在低水灰比下流动性较差且坍落度损失较大，不利于商品混凝土的运输和施工。

4.The article is mainly about chronic toxic effect of naphthalin on human body and the index of subclinical and objective detection.

本文主要探讨萘对人体的慢性毒性效应和亚临床客观检测指标。

5.Distillation is effective to remove diazo compound and 2-naphthalin-1-sulfonic.

蒸馏是去除重氮化合物、2萘胺1磺酸干扰的有效方法。

6.Serials of naphthalin and tripolycyanamide have low water reducing efficiency.

萘系与三聚氰胺系减水率较低。

7.The mothballs in the closet contain naphthalin, which acts as a pesticide.

衣柜里的樟脑球含有萘，它作为一种杀虫剂。

8.When heated, naphthalin can release toxic fumes that should be avoided.

加热时，萘可能释放出有毒气体，应避免吸入。

9.In the laboratory, naphthalin is often used as a starting material for organic synthesis.

在实验室中，萘常用作有机合成的起始材料。

10.The strong smell of naphthalin can be unpleasant for some people.

对于某些人来说，萘的强烈气味可能令人不快。

11.Some people use naphthalin to keep their clothes fresh and free from insects.

一些人使用萘来保持衣物清新，并防止昆虫侵害。

作文

Naphthalene, often written as naphthalin, is a white crystalline solid that is commonly known for its distinct odor reminiscent of mothballs. This organic compound is primarily derived from coal tar and petroleum, making it a significant product in the chemical industry. Its molecular formula is C10H8, indicating that it consists of ten carbon atoms and eight hydrogen atoms. The structure of naphthalin features two fused benzene rings, which contribute to its aromatic properties and stability. One of the most notable applications of naphthalin is in the production of mothballs, which are used to protect clothing from moth larvae. The strong smell of naphthalin is effective in repelling these pests, making it a popular choice for household use. However, the use of naphthalin in mothballs has raised concerns regarding health and environmental safety. Exposure to high concentrations of naphthalin can lead to respiratory issues and other health problems, prompting some countries to regulate its use. In addition to its role in pest control, naphthalin is also utilized in the manufacturing of various chemical products, including dyes, plastics, and even pharmaceuticals. Its ability to undergo chemical reactions makes it a valuable intermediate in the synthesis of more complex compounds. For instance, naphthalin can be sulfonated to produce naphthalene sulfonic acids, which are used as dispersants and surfactants in numerous industrial applications. Furthermore, naphthalin has been studied for its potential use in energy storage systems. Researchers are exploring the possibility of using naphthalin derivatives in organic batteries, where they could serve as efficient charge carriers. This innovative approach could lead to the development of more sustainable energy solutions, highlighting the versatility of naphthalin beyond its traditional uses. Despite its many applications, the environmental impact of naphthalin cannot be overlooked. As an aromatic hydrocarbon, naphthalin is persistent in the environment and can accumulate in living organisms. This bioaccumulation raises concerns about its long-term effects on ecosystems and human health. Therefore, it is crucial for industries that utilize naphthalin to implement safe handling practices and explore alternative materials that pose less risk to the environment. In conclusion, naphthalin is a multifaceted compound with various applications ranging from pest control to chemical manufacturing and potential energy solutions. While it offers several benefits, it is essential to consider the health and environmental implications associated with its use. As we continue to advance in our understanding of chemistry and sustainability, the future of naphthalin and similar compounds will likely evolve, leading to safer and more efficient alternatives.

萘（naphthalin）是一种白色结晶固体，因其独特的气味而闻名，令人联想到樟脑球。这种有机化合物主要来源于煤焦油和石油，使其成为化学工业的重要产品。它的分子式是C10H8，表示它由十个碳原子和八个氢原子组成。naphthalin的结构由两个融合的苯环构成，这使其具有芳香性和稳定性。 naphthalin最显著的应用之一是在防虫剂的生产中，常用于保护衣物免受蛀虫幼虫的侵害。naphthalin的强烈气味有效地驱赶这些害虫，使其成为家庭使用的热门选择。然而，在防虫剂中使用naphthalin引发了关于健康和环境安全的担忧。暴露于高浓度的naphthalin会导致呼吸问题和其他健康问题，促使一些国家对其使用进行监管。 除了在防虫剂中的作用外，naphthalin还用于制造各种化学产品，包括染料、塑料甚至制药。它能进行化学反应，使其成为合成更复杂化合物的宝贵中间体。例如，naphthalin可以被磺化以生产萘磺酸，这些化合物在众多工业应用中用作分散剂和表面活性剂。 此外，naphthalin还被研究用于能源存储系统。研究人员正在探索使用naphthalin衍生物作为有机电池中的高效载流子。这种创新的方法可能会导致更可持续的能源解决方案的发展，突显了naphthalin在传统用途之外的多样性。 尽管有许多应用，但不能忽视naphthalin对环境的影响。作为一种芳香烃，naphthalin在环境中持久存在，并可能在生物体内积累。这种生物积累引发了人们对其对生态系统和人类健康长期影响的担忧。因此，使用naphthalin的行业必须实施安全处理措施，并探索对环境风险较小的替代材料。 总之，naphthalin是一种多面化合物，具有从防虫剂到化学制造和潜在能源解决方案等各种应用。虽然它提供了多个好处，但考虑与其使用相关的健康和环境影响至关重要。随着我们在化学和可持续性理解方面的不断进步，naphthalin及类似化合物的未来可能会发展，导致更安全、更高效的替代品。