calcium sulfide

简明释义

硫化钙

英英释义

Calcium sulfide is a chemical compound with the formula CaS, consisting of calcium and sulfur. It is typically a white to yellow solid that can emit a strong odor of rotten eggs when exposed to moisture.

硫化钙是一种化学化合物,化学式为CaS,由钙和硫组成。它通常是白色到黄色的固体,在潮湿环境中会散发出强烈的腐臭气味。

例句

1.The reaction between calcium hydroxide and sulfur results in the formation of calcium sulfide.

氢氧化钙与硫反应生成硫化钙

2.In the laboratory, we used calcium sulfide to produce hydrogen sulfide gas.

在实验室中,我们使用硫化钙来产生氢硫酸气体。

3.Farmers sometimes use calcium sulfide as a soil amendment to improve sulfur content.

农民有时使用硫化钙作为土壤改良剂,以提高硫的含量。

4.The presence of calcium sulfide can indicate the anaerobic conditions in a wetland.

在湿地中,硫化钙的存在可能表明厌氧条件。

5.When heated, calcium sulfide can release sulfur dioxide gas.

当加热时,硫化钙可以释放二氧化硫气体。

作文

Calcium sulfide, represented chemically as CaS, is an inorganic compound that consists of calcium and sulfur. It is a white to yellowish solid that is known for its various applications in different fields. This compound is primarily produced by heating calcium oxide with sulfur or by reacting calcium carbonate with hydrogen sulfide. Understanding calcium sulfide (硫化钙) is essential for both industrial and environmental contexts.One of the most significant uses of calcium sulfide (硫化钙) is in the production of luminous paints and phosphorescent materials. When exposed to light, these materials absorb energy and can emit it slowly over time, creating a glow-in-the-dark effect. This property makes calcium sulfide (硫化钙) ideal for applications in safety signs, watch dials, and other items where visibility in low-light conditions is crucial.Additionally, calcium sulfide (硫化钙) is utilized in the agricultural sector as a soil amendment. It helps in improving the availability of certain nutrients in the soil, thus enhancing plant growth. Farmers often use this compound to treat soil that is deficient in sulfur, which is an essential nutrient for plants. By incorporating calcium sulfide (硫化钙) into their soil management practices, they can achieve better crop yields and healthier plants.In the realm of environmental science, calcium sulfide (硫化钙) plays a role in wastewater treatment processes. It can be used to precipitate heavy metals from wastewater, effectively removing toxic substances and preventing them from entering water bodies. This application is particularly important as it helps in mitigating pollution and protecting aquatic ecosystems.Moreover, calcium sulfide (硫化钙) has been studied for its potential use in the field of photonics. Researchers are exploring its properties to develop new optical devices, such as lasers and sensors. The unique characteristics of calcium sulfide (硫化钙) make it a candidate for innovations that could enhance technology in various sectors.Despite its many benefits, handling calcium sulfide (硫化钙) requires caution. It can release hydrogen sulfide gas when it reacts with acids, which is highly toxic and poses health risks. Therefore, safety measures must be in place when working with this compound, especially in industrial settings. Proper ventilation, personal protective equipment, and adherence to safety guidelines are crucial to prevent exposure to harmful substances.In conclusion, calcium sulfide (硫化钙) is a versatile compound with a wide range of applications across various industries. From its role in agriculture to its significance in environmental protection, understanding this compound is vital for leveraging its benefits while ensuring safety. As research continues, we may discover even more innovative uses for calcium sulfide (硫化钙), making it an important subject of study in chemistry and related fields.

相关单词

calcium

calcium详解:怎么读、什么意思、用法

sulfide

sulfide详解:怎么读、什么意思、用法