ethanol

简明释义

英[ˈeθənɒl]美[ˈeθənɔːlˌˈeθənoʊl]

n. [有化] 乙醇，[有化] 酒精

英英释义

单词用法

同义词

反义词

例句

1.Krejci and Svedberg used ultracentrifugation to analyze the gliadin fraction extracted with aqueous ethanol.

克雷西和斯维德贝格使用超速离心法分析了用乙醇水溶液萃取的麦醇溶蛋白级分。

2.There are many who argue that corn ethanol should replace fossil fuel gas as the primary source for running cars.

许多人认为，玉米乙醇应该取代化石燃料气体，成为汽车的主要燃料。

3.Ethanol, of course.

毫无疑问，是乙醇。

4.Using this biofuel, corn ethanol, in cars will increase the demand for corn which, in turn, will lead to more farmlands created to supply the crops.

在汽车中使用玉米乙醇这种生物燃料，将增加对玉米的需求，进而导致人们开垦更多的农田来供给农作物。

5.One of the most attractive aspects of corn ethanol is how environmentally friendly it is when compared to current automobile gasoline.

与目前的汽车汽油相比，玉米乙醇最具吸引力的一个方面是它很环保。

6.Individual insects are placed in plastic or glass tubes (1.5-3.0 ml capacity for small ants, 5-8 ml for larger ants) containing 75% to 95% ethanol.

单个昆虫放置在装有75%到 95%的乙醇的塑料管或玻璃管中（容量为1.5-3.0ml 的装小蚂蚁，5-8ml 的装大一点的蚂蚁）。

7.The fuel in my car is a blend of gasoline and ethanol.

我车里的燃料是汽油和乙醇的混合物。

8.Many hand sanitizers contain ethanol as an active ingredient.

许多洗手液含有乙醇作为活性成分。

9.Researchers are studying the effects of ethanol on liver health.

研究人员正在研究乙醇对肝脏健康的影响。

10.You should avoid drinking excessive amounts of ethanol.

你应该避免摄入过量的乙醇。

11.Some beverages are labeled as containing high levels of ethanol.

一些饮料被标记为含有高水平的乙醇。

作文

Ethanol, also known as ethyl alcohol, is a colorless, volatile liquid that is widely used as a solvent, in the manufacture of beverages, and as a fuel. Its chemical formula is C2H5OH, which indicates that it consists of two carbon atoms, six hydrogen atoms, and one oxygen atom. The significance of ethanol (乙醇) in various industries cannot be overstated, as it plays a crucial role in both production and consumption processes. In the beverage industry, ethanol (乙醇) is the primary ingredient in alcoholic drinks. It is produced through fermentation, a process where yeast converts sugars into alcohol and carbon dioxide. This natural process has been utilized for centuries, resulting in a wide variety of alcoholic beverages, including beer, wine, and spirits. The concentration of ethanol (乙醇) in these beverages varies, with beer typically containing around 4-6% ethanol (乙醇) and spirits containing upwards of 40% ethanol (乙醇). Beyond its use in beverages, ethanol (乙醇) serves as an important industrial solvent. It is commonly used in the production of personal care products, pharmaceuticals, and cleaning agents. Due to its ability to dissolve both polar and nonpolar substances, ethanol (乙醇) is an effective medium for various chemical reactions. Moreover, its low toxicity compared to other solvents makes it a preferred choice in many applications. One of the most significant uses of ethanol (乙醇) in recent years has been as a renewable fuel source. Ethanol can be produced from biomass, such as corn or sugarcane, making it a more sustainable alternative to fossil fuels. In many countries, ethanol (乙醇) is blended with gasoline to create a fuel known as gasohol. This blend helps to reduce greenhouse gas emissions and dependence on crude oil. Additionally, the use of ethanol (乙醇) as a fuel has spurred economic growth in agricultural sectors, providing farmers with new markets for their crops. However, the production and use of ethanol (乙醇) are not without controversy. Critics argue that large-scale production of ethanol (乙醇) from food crops can lead to increased food prices and food scarcity. The debate continues about the balance between using agricultural resources for fuel versus food production. Furthermore, the environmental impact of ethanol (乙醇) production, particularly in terms of land use and water consumption, raises concerns about its sustainability. In conclusion, ethanol (乙醇) is a versatile compound with a wide range of applications in the beverage, pharmaceutical, and fuel industries. Its role as a renewable energy source presents both opportunities and challenges. As we move towards a more sustainable future, the understanding and management of ethanol (乙醇) production will be essential in addressing the pressing issues of energy consumption and food security.