furans

简明释义

[ˈfjʊərənz][ˈfjʊrənz]

[有化] 呋喃

英英释义

Furans are a class of organic compounds characterized by a five-membered aromatic ring containing four carbon atoms and one oxygen atom.

呋喃是一类有机化合物,其特征是具有一个包含四个碳原子和一个氧原子的五元芳香环。

They are often used in the synthesis of various pharmaceuticals and agrochemicals.

它们常用于合成各种药物和农用化学品。

单词用法

furan derivatives

呋喃衍生物

furan compounds

呋喃化合物

furan ring

呋喃环

synthesis of furans

呋喃的合成

furans in food

食品中的呋喃

toxic effects of furans

呋喃的毒性影响

同义词

furan derivatives

呋喃衍生物

Furan derivatives are commonly used in pharmaceuticals.

呋喃衍生物常用于药物中。

heterocycles

杂环化合物

Heterocycles can be found in many natural products.

杂环化合物在许多天然产物中都能找到。

反义词

alcohols

醇类

Alcohols are widely used as solvents and in the production of pharmaceuticals.

醇类广泛用于溶剂和制药的生产。

aldehydes

醛类

Aldehydes are important in organic synthesis and can be found in many fragrances.

醛类在有机合成中很重要,并且可以在许多香料中找到。

例句

1.When this is done, chlorinated byproducts such as furans and dioxins are produced.

当做到这一点,氯化副产品,如二恶英和呋喃的生产。

2.The pace of spring across time and space, and impartial, she kept furans tenderness tenderness into it, with its peaceful posture, into the hearts of each person;

春雨的步伐横跨时空,不偏不倚,她把脉脉柔情化作声声喃呢,以其平和的姿势,融进了每个人的心灵;

3.One pot synthesis of furans have come true really.

真正实现了一锅法合成四取代的呋喃环化合物。

4.The group of 12 listed highly dangerous substances includes mentioned earlier dioxins, furans and biphenyls (60).

该组中列出的12个高度危险的物质,包括前面提到二恶英,呋喃和多氯联苯(60)。

5.Dioxins, furans and metals are persistent and bio-accumulate in the environment.

二恶英、呋喃和金属具有持久性并可在环境中生物累积。

6.The pace of spring across time and space, and impartial, she kept furans tenderness tenderness into it, with its peaceful posture, into the hearts of each person;

春雨的步伐横跨时空,不偏不倚,她把脉脉柔情化作声声喃呢,以其平和的姿势,融进了每个人的心灵;

7.Researchers are studying the effects of furans on human health.

研究人员正在研究呋喃对人类健康的影响。

8.Testing for furans in industrial waste is essential for pollution control.

在工业废物中检测呋喃对于污染控制至关重要。

9.Certain cooking methods can increase the levels of furans in grilled foods.

某些烹饪方法可以增加烧烤食品中呋喃的含量。

10.The presence of furans in food products can pose health risks to consumers.

食品中存在呋喃可能对消费者造成健康风险。

11.The environmental impact of furans is a concern for many scientists.

许多科学家对呋喃的环境影响表示担忧。

作文

Furans are a class of organic compounds that contain a five-membered aromatic ring with four carbon atoms and one oxygen atom. These compounds have gained significant attention in various fields, including chemistry, environmental science, and food safety. The unique structure of furans (呋喃) allows them to participate in numerous chemical reactions, making them valuable in the synthesis of pharmaceuticals and agrochemicals. One of the most notable aspects of furans (呋喃) is their presence in cooked foods. They are formed during the Maillard reaction, which occurs when sugars and amino acids react at high temperatures. This reaction not only contributes to the flavor and aroma of cooked foods but also leads to the formation of potentially harmful compounds. Research has shown that certain furans (呋喃) can be toxic and may pose health risks when consumed in large amounts. For instance, 5-hydroxymethylfurfural (HMF) is a common furan derivative found in honey and fruit juices, and while it adds to the flavor profile, excessive intake has raised concerns about its potential carcinogenic effects.In addition to their occurrence in food, furans (呋喃) are also significant in environmental contexts. They can be generated from the combustion of organic materials, such as in forest fires or industrial processes. The release of furans (呋喃) into the environment can lead to contamination of air and water, posing risks to ecosystems and human health. Studies have indicated that exposure to certain furans (呋喃) can lead to adverse effects, including respiratory issues and other chronic health conditions.Moreover, the detection and analysis of furans (呋喃) in various matrices have become a crucial area of research. Scientists utilize advanced analytical techniques to measure the concentration of these compounds in food products, environmental samples, and biological tissues. Understanding the levels of furans (呋喃) can help in assessing exposure risks and developing regulatory guidelines to protect public health.In conclusion, furans (呋喃) are intriguing compounds that play a dual role in our lives. On one hand, they contribute to the sensory qualities of our favorite foods; on the other hand, they raise important health and environmental concerns. Ongoing research is essential to fully understand the implications of furans (呋喃) in food safety and environmental health, ensuring that we can enjoy the benefits of these compounds while minimizing their risks.