cadmium

简明释义

英[ˈkædmiəm]美[ˈkædmiəm]

n. [化学]镉（元素符号 Cd）

英英释义

单词用法

同义词

反义词

例句

1.Alstom has therefore turned to tried-and-trusted nickel-cadmium ones instead, and GE is testing sodium and iron-chloride batteries.

阿尔斯通公司因此转而使用久经考验的镍镉电池，而通用电气正在测试钠电池和铁-氯电池。

2.Some microbes like nothing better than to be nestled in a toxic sludge of heavy metals like zinc, arsenic and cadmium.

对于一些微生物而言，没有什么比生活在充满了锌、砷和镉之类的重金属的有毒淤泥中更加惬意的。

3.Nickel-cadmium is a battery that can be charged.

镍镉是一种，可充电电池。

4.Exposure to cadmium can also cause kidney damage, usually seen in the elderly.

通常对于老人，接触镉还可造成肾脏损害。

5.Tests for cadmium, lead, mercury and manganese have shown levels within the normal range.

镉、铅、汞和锰的检测都表明处于正常值范围。

6.Women who are exposed to mercury, cadmium, or vinyl chloride before conceiving seem to be especially likely to have autistic kids.

女性在怀孕期间接触汞、镉或氯乙烯很有可能会生出自闭症患儿。

7.Accordingly, Nanoco has spent the past five years devising ways to mass-produce cadmium-free quantum dots.

因此，NANOCO公司在过去的五年中一直在研究大批生产不含镉元素的量子点。

8.The study revealed a correlation between high levels of cadmium in soil and health issues in nearby residents.

研究显示土壤中高浓度的镉与附近居民的健康问题之间存在关联。

9.Workers in the factory must wear protective gear to avoid exposure to cadmium fumes.

工厂的工人必须穿戴防护装备，以避免接触到镉烟雾。

10.The environmental regulations limit the amount of cadmium that can be released into the water supply.

环境法规限制了可以释放到水源中的镉的数量。

11.The battery contains cadmium, which is known for its toxicity.

这款电池含有镉，其毒性是众所周知的。

12.Certain paints contain cadmium pigments, which can be harmful if ingested.

某些油漆中含有镉颜料，如果摄入可能会有害。

作文

Cadmium is a chemical element with the symbol Cd and atomic number 48. It is a soft, bluish-white metal that is often associated with zinc ores and is primarily used in batteries, pigments, and coatings. The discovery of cadmium (镉) dates back to 1817 when it was identified by Friedrich Stromeyer in Germany. This element has unique properties that make it valuable in various industrial applications, but it also poses significant environmental and health risks. One of the most notable uses of cadmium (镉) is in the production of rechargeable nickel-cadmium (NiCd) batteries. These batteries are widely used in portable electronic devices, power tools, and even electric vehicles. The ability of cadmium (镉) to store and release energy efficiently makes it an essential component in these batteries. However, the use of cadmium (镉) in batteries has raised concerns due to its toxicity and potential for environmental contamination upon disposal. In addition to batteries, cadmium (镉) is also utilized in the manufacturing of pigments. Cadmium sulfide, for instance, is known for its vibrant yellow and red colors, making it popular in paints, plastics, and ceramics. While these pigments provide excellent stability and durability, the health risks associated with cadmium (镉) exposure have led to increased regulation and restrictions in many countries. The mining and refining processes of cadmium (镉) can also lead to environmental pollution. When ores containing cadmium (镉) are processed, the metal can leach into soil and waterways, posing risks to wildlife and human health. Long-term exposure to cadmium (镉) can result in serious health issues, including kidney damage, bone fragility, and respiratory problems. This has prompted governments and organizations worldwide to implement stricter regulations regarding the use and disposal of cadmium (镉) and its compounds. Despite the risks, cadmium (镉) remains an important material in various industries. Researchers are continually exploring safer alternatives to reduce reliance on this toxic metal. For example, advancements in battery technology are leading to the development of lithium-ion batteries, which do not contain cadmium (镉) and offer similar performance without the associated health risks. In conclusion, while cadmium (镉) plays a crucial role in many industrial applications, it is imperative to approach its use with caution. Awareness of the potential hazards and ongoing research into safer alternatives will be vital in mitigating the risks associated with this metal. As we continue to innovate and improve technologies, finding ways to minimize the impact of cadmium (镉) on our environment and health will remain a priority for future generations.

镉是一种化学元素，符号为Cd，原子序数为48。它是一种柔软的蓝白色金属，通常与锌矿石相关，主要用于电池、颜料和涂层。镉（cadmium）的发现可以追溯到1817年，当时由德国的弗里德里希·斯特罗梅耶（Friedrich Stromeyer）识别出这一元素。该元素具有独特的性质，使其在各种工业应用中具有价值，但同时也对环境和健康构成重大风险。镉（cadmium）最显著的用途之一是在可充电镍镉（NiCd）电池的生产中。这些电池广泛用于便携式电子设备、电动工具甚至电动车辆。镉（cadmium）能够高效储存和释放能量，使其成为这些电池中不可或缺的组成部分。然而，由于其毒性及在处置过程中可能造成的环境污染，使用镉（cadmium）的电池引发了人们的担忧。除了电池之外，镉（cadmium）还用于颜料的制造。例如，硫化镉以其鲜艳的黄色和红色而闻名，在油漆、塑料和陶瓷中非常受欢迎。尽管这些颜料提供了优异的稳定性和耐用性，但与镉（cadmium）接触所带来的健康风险导致许多国家加强了监管和限制。镉（cadmium）的采矿和精炼过程也可能导致环境污染。当含有镉（cadmium）的矿石被加工时，这种金属可能渗入土壤和水道，对野生动物和人类健康构成威胁。长期接触镉（cadmium）可能导致严重的健康问题，包括肾损伤、骨脆弱和呼吸问题。这促使全球各国政府和组织实施更严格的法规，以规范镉（cadmium）及其化合物的使用和处置。尽管存在风险，镉（cadmium）仍然是多个行业的重要材料。研究人员不断探索更安全的替代品，以减少对这种有毒金属的依赖。例如，电池技术的进步正在推动锂离子电池的发展，这种电池不含镉（cadmium），并在没有相关健康风险的情况下提供类似的性能。总之，虽然镉（cadmium）在许多工业应用中发挥着至关重要的作用，但必须谨慎对待其使用。提高对潜在危害的认识以及持续研究更安全替代品将对减轻与该金属相关的风险至关重要。随着我们不断创新和改善技术，寻找减小镉（cadmium）对环境和健康影响的方法将始终是未来几代人的优先事项。