hydrogen
简明释义
n. 氢,氢气
英英释义
A colorless, odorless, and tasteless gas that is the lightest and most abundant element in the universe, often used as a fuel or in chemical reactions. | 一种无色、无味、无臭的气体,是宇宙中最轻和最丰富的元素,常用于燃料或化学反应中。 |
单词用法
过氧化氢 | |
制氢 |
同义词
氢 | 氢是周期表中最轻的元素。 | ||
氢气 | 氢气在某些类型的火箭中用作燃料。 |
反义词
氧气 | 氧气对人类呼吸至关重要。 | ||
氦气 | Helium is often used in balloons because it is lighter than air. | 氦气常用于气球,因为它比空气轻。 |
例句
1.A molecule of water consists of two atoms of hydrogen and one atom of oxygen.
水分子由两个氢原子和一个氧原子构成。
2.Hydrogen and oxygen combine to form water.
氢与氧化合成水。
3.The energy for single hydrogen atom is negative 1312 kilojoules per mole.
单个氢原子的能量是-1312 千焦每摩尔。
4.The spokesman said, "Hydrogen bombs don't kill people — people kill people."
发言人说:“氢弹不会杀死人——人才会杀死人。”
5.Oxygen could be used to breathe, and hydrogen could be turned into fuel, rocket fuel.
氧气可以用来呼吸,氢气可以变成燃料,火箭燃料。
6.Water can be resolved [decomposed] into hydrogen and oxygen.
水可分解为氢和氧。
7.Technological improvements are needed so that wind, solar and hydrogen can be more feasible parts of the energy equation.
需要改进技术,提高风能、太阳能和氢能在能源等式中的可行性。
8.The fuel cell uses hydrogen as a clean energy source.
燃料电池使用氢作为清洁能源。
9.Liquid hydrogen is used as a rocket fuel due to its high efficiency.
液态氢因其高效性被用作火箭燃料。
10.Water is composed of two atoms of hydrogen and one atom of oxygen.
水由两个氢原子和一个氧原子组成。
11.In the laboratory, we often conduct experiments involving hydrogen gas.
在实验室,我们经常进行涉及氢气的实验。
12.The hydrogen ion is important in acid-base chemistry.
氢离子在酸碱化学中很重要。
作文
Hydrogen is the simplest and most abundant element in the universe, represented by the symbol H on the periodic table. As a colorless, odorless, and tasteless gas at room temperature, it plays a crucial role in various chemical reactions and processes. In its molecular form, hydrogen exists as H2, which means two hydrogen atoms bond together to form a diatomic molecule. This unique property makes it essential for many applications, including energy production and industrial processes. One of the most exciting aspects of hydrogen (氢) is its potential as a clean energy source. When burned or used in fuel cells, hydrogen (氢) produces only water as a byproduct, making it an environmentally friendly alternative to fossil fuels. This characteristic has led to increased interest in hydrogen (氢) as a key player in the transition to sustainable energy systems. Many countries are investing in hydrogen (氢) technologies, aiming to harness its power for transportation, heating, and electricity generation. For instance, hydrogen (氢) fuel cell vehicles are being developed as a viable option to reduce greenhouse gas emissions from traditional gasoline-powered cars. Moreover, hydrogen (氢) can be produced through various methods, including electrolysis, where water is split into oxygen and hydrogen (氢) using electricity. If this electricity comes from renewable sources like wind or solar, the resulting hydrogen (氢) is considered green hydrogen (氢), further enhancing its appeal as a sustainable energy solution. However, despite its numerous advantages, there are challenges associated with the widespread adoption of hydrogen (氢) technologies. One major hurdle is the current infrastructure for producing, storing, and distributing hydrogen (氢). Building a comprehensive network of refueling stations and pipelines requires significant investment and planning. Additionally, safety concerns related to the flammability of hydrogen (氢) must be addressed to ensure public confidence in its use. Research and development efforts are underway to improve hydrogen (氢) production methods and storage solutions. Scientists are exploring innovative techniques to make hydrogen (氢) production more efficient and cost-effective. For example, advances in catalysis and membrane technology could enhance the efficiency of electrolysis, making green hydrogen (氢) more accessible. Furthermore, the potential for hydrogen (氢) to serve as an energy carrier is noteworthy. It can store excess energy generated from renewable sources, helping to balance supply and demand in the energy grid. This versatility positions hydrogen (氢) as a vital component in achieving energy security and sustainability goals. In conclusion, hydrogen (氢) stands out as a promising element with immense potential for transforming our energy landscape. Its clean-burning properties, diverse production methods, and ability to integrate with renewable energy systems make it a focal point in the quest for sustainable solutions. While challenges remain, ongoing research and investment in hydrogen (氢) technologies will likely pave the way for a cleaner and more sustainable future. Embracing hydrogen (氢) as a key energy source could lead us toward a greener world, reducing our dependence on fossil fuels and mitigating climate change.
氢是宇宙中最简单且最丰富的元素,化学符号为H。它在室温下呈无色、无味且无臭的气体,在各种化学反应和过程中起着至关重要的作用。在其分子形式中,氢以H2存在,这意味着两个氢原子结合形成一个双原子分子。这一独特属性使其在许多应用中至关重要,包括能源生产和工业过程。氢(氢)的一个令人兴奋的方面是它作为清洁能源来源的潜力。当燃烧或在燃料电池中使用时,氢(氢)仅产生水作为副产品,使其成为化石燃料的环保替代品。这一特性导致人们对氢(氢)作为可持续能源系统转型关键角色的兴趣日益增加。许多国家正在投资于氢(氢)技术,旨在利用其在交通、供暖和发电中的力量。例如,氢(氢)燃料电池汽车正在开发中,作为减少传统汽油车温室气体排放的可行选项。此外,氢(氢)可以通过多种方法生产,包括电解水,即使用电力将水分解为氧气和氢(氢)。如果这电力来自风能或太阳能等可再生资源,则产生的氢(氢)被视为绿色氢(氢),进一步增强了其作为可持续能源解决方案的吸引力。然而,尽管有众多优点,但广泛采用氢(氢)技术仍面临挑战。一个主要障碍是当前的氢(氢)生产、储存和分配基础设施。建立全面的加氢站和管道网络需要大量投资和规划。此外,必须解决与氢(氢)易燃性相关的安全问题,以确保公众对其使用的信心。研究和开发工作正在进行中,以改善氢(氢)生产方法和储存解决方案。科学家们正在探索创新技术,使氢(氢)生产更加高效和经济。例如,催化和膜技术的进步可能会提高电解效率,使绿色氢(氢)更易获得。此外,氢(氢)作为能源载体的潜力也值得注意。它可以储存来自可再生资源的过剩能源,帮助平衡能源网中的供需。这种多功能性使得氢(氢)成为实现能源安全和可持续发展目标的重要组成部分。总之,氢(氢)作为一种具有巨大潜力的元素,在改变我们的能源格局方面脱颖而出。其清洁燃烧特性、多样的生产方法以及与可再生能源系统的整合能力,使其成为可持续解决方案的核心。尽管仍存在挑战,但对氢(氢)技术的持续研究和投资可能为我们铺平通往更清洁、更可持续未来的道路。拥抱氢(氢)作为关键能源来源,可能会引导我们走向一个更绿色的世界,减少我们对化石燃料的依赖,并缓解气候变化。