tungsten

简明释义

[ˈtʌŋstən][ˈtʌŋstən]

n. [化学] 钨(一种金属元素)

英英释义

A hard, dense metal with the highest melting point of all elements, used in various applications including electrical contacts, light bulb filaments, and as an alloying agent.

一种硬而密度大的金属,具有所有元素中最高的熔点,用于各种应用,包括电接触、灯泡灯丝和作为合金添加剂。

单词用法

tungsten carbide

硬质合金,碳化钨

tungsten steel

钨钢

同义词

wolfram

Tungsten is often used in the production of high-performance light bulbs.

钨常用于高性能灯泡的生产。

反义词

helium

Helium is used in balloons because it is lighter than air.

氦用于气球,因为它比空气轻。

lithium

Lithium batteries are commonly used in portable electronics.

锂电池常用于便携式电子设备。

例句

1.Recent great technical progresses in ion_exchange technology of tungsten metallurgy in China are reviewed.

综述了近年来我国钨冶炼离子交换工艺取得的重大技术进步。

2.Tungsten is classified among the metals.

钨归入金属类。

3.Not only is the luster of a tungsten ring brilliant, it will remain so for a lifetime.

不仅是光彩的辉煌钨环,它将继续这样做了一辈子。

4.Air contains oxygen, and the hot tungsten could burn in it.

空气中有氧气,在氧气里热钨丝会燃烧起来。

5.Tungsten light bulbs cast very yellow light. And any surface that light bounces off can add its color.

钨丝灯光明显偏黄,而且反射这种光线的表面也会呈现出相应的颜色。

6.This wire inside an electric lamp is not made of copper but it is made of tungsten.

电灯里面的电线不是铜丝而是钨丝。

7.The hardness of tungsten makes it ideal for cutting tools.

由于的硬度,它非常适合用于切削工具。

8.Due to its high melting point, tungsten is used in rocket engine nozzles.

由于其高熔点,被用在火箭发动机喷嘴中。

9.The light bulb uses a filament made of tungsten.

这个灯泡使用的是由制成的灯丝。

10.Jewelry made from tungsten is becoming increasingly popular.

制成的珠宝越来越受欢迎。

11.Many high-end watches use tungsten for added durability.

许多高端手表使用以增加耐用性。

作文

Tungsten, known for its exceptional hardness and high melting point, is a metal that plays a crucial role in various industries. It has become increasingly important in the modern world, particularly in manufacturing and technology. The name Tungsten originates from the Swedish words "tung sten," which mean "heavy stone." This name reflects the metal's density and weight, which are among the highest of all elements. In fact, Tungsten is so dense that it can be used as a counterweight in many applications, such as in aircraft and automobiles.One of the most remarkable properties of Tungsten is its melting point, which is over 3,400 degrees Celsius (6,192 degrees Fahrenheit). This makes it an ideal material for high-temperature applications, including light bulb filaments and rocket engine nozzles. The ability of Tungsten to withstand extreme heat without melting or deforming is unparalleled, making it essential in the aerospace and defense industries.In addition to its heat resistance, Tungsten is also known for its incredible strength. It is harder than steel and can be alloyed with other metals to enhance their properties. For example, Tungsten carbide, a compound made from Tungsten and carbon, is widely used in cutting tools, mining equipment, and jewelry due to its durability and scratch resistance. This has led to an increased demand for Tungsten in various sectors, especially in precision engineering where performance and reliability are paramount.Moreover, Tungsten has significant applications in the field of electronics. Its high conductivity and low thermal expansion make it suitable for use in electrical contacts and connectors. As technology advances, the demand for Tungsten in electronic devices continues to grow, particularly in the production of semiconductors and integrated circuits.Despite its many advantages, the extraction and processing of Tungsten can pose environmental challenges. Mining operations can lead to habitat destruction and pollution if not managed responsibly. Therefore, sustainable practices in Tungsten mining and recycling are becoming increasingly important. Efforts are being made to develop eco-friendly methods for extracting Tungsten and to promote the recycling of Tungsten-based materials to minimize waste and reduce the ecological footprint.In conclusion, Tungsten is a remarkable metal with unique properties that make it indispensable in various applications. From its use in high-temperature environments to its role in electronics and manufacturing, Tungsten continues to be a vital resource in our modern world. As we move forward, it is essential to balance the benefits of Tungsten with responsible mining and recycling practices to ensure that this valuable resource remains available for future generations.

钨,以其卓越的硬度和高熔点而闻名,是一种在各个行业中发挥着关键作用的金属。它在现代世界中变得越来越重要,特别是在制造和技术领域。这个名字源于瑞典语的“tung sten”,意为“重石”。这个名字反映了这种金属的密度和重量,它们是所有元素中最高的之一。事实上,的密度如此之高,以至于可以在许多应用中用作配重,如飞机和汽车。最显著的特性之一是其熔点,超过3400摄氏度(6192华氏度)。这使得它成为高温应用的理想材料,包括灯泡灯丝和火箭发动机喷嘴。能够在极端高温下不熔化或变形的能力是无与伦比的,这使其在航空航天和国防工业中至关重要。除了耐热性,还以其惊人的强度而闻名。它比钢更硬,可以与其他金属合金以增强其性能。例如,碳化物是由和碳组成的化合物,因其耐用性和抗划伤性而广泛用于切削工具、采矿设备和珠宝。这导致了各个行业对的需求增加,特别是在精密工程中,其中性能和可靠性至关重要。此外,在电子领域也具有重要应用。它的高导电性和低热膨胀使其适合用于电气接触器和连接器。随着技术的进步,对在电子设备中的需求不断增长,特别是在半导体和集成电路的生产中。尽管有许多优点,但提取和加工可能会带来环境挑战。如果管理不当,采矿作业可能会导致栖息地破坏和污染。因此,在的采矿和回收中采用可持续的做法变得越来越重要。人们正在努力开发环保的提取方法,并促进基材料的回收,以最小化废物并减少生态足迹。总之,是一种独特的金属,具有独特的性质,使其在各种应用中不可或缺。从其在高温环境中的使用到其在电子和制造中的作用,继续成为我们现代世界中的重要资源。随着我们的前进,平衡的好处与负责任的采矿和回收实践是至关重要的,以确保这一宝贵资源在未来几代人中仍然可用。