absolute boiling point
简明释义
绝对沸点;
英英释义
例句
1.The chemist explained that the absolute boiling point 绝对沸点 of water is 100 degrees Celsius at sea level.
化学家解释说,水的绝对沸点 absolute boiling point 在海平面上是100摄氏度。
2.Different substances have different absolute boiling points 绝对沸点, which is crucial for distillation processes.
不同物质有不同的绝对沸点 absolute boiling points,这对蒸馏过程至关重要。
3.The absolute boiling point 绝对沸点 of ethanol is about 78 degrees Celsius.
乙醇的绝对沸点 absolute boiling point 约为78摄氏度。
4.Understanding the absolute boiling point 绝对沸点 helps in predicting how a substance behaves when heated.
理解绝对沸点 absolute boiling point 有助于预测物质加热时的行为。
5.In our experiment, we need to determine the absolute boiling point 绝对沸点 of the liquid under controlled pressure.
在我们的实验中,我们需要在控制压力下确定液体的绝对沸点 absolute boiling point。
作文
The concept of the absolute boiling point is fundamental in the field of chemistry and thermodynamics. It refers to the specific temperature at which a substance transitions from a liquid state to a gas state under standard atmospheric pressure. Understanding the absolute boiling point is crucial for various scientific applications, including cooking, industrial processes, and even environmental studies. To illustrate the significance of the absolute boiling point, let us consider water, a substance that is essential for life. The absolute boiling point of water is 100 degrees Celsius (212 degrees Fahrenheit) at sea level. This means that when water reaches this temperature, it begins to boil and transform into steam. This process is not only important for cooking but also plays a vital role in weather patterns and climate control. For instance, the evaporation of water from oceans and lakes contributes to cloud formation and precipitation, impacting ecosystems and agriculture.In industrial settings, the absolute boiling point is used to design equipment such as distillation columns, where separation of mixtures relies on the differences in boiling points of various substances. For example, in the petroleum industry, crude oil is separated into different components based on their absolute boiling points. This separation process is essential for producing gasoline, diesel, and other valuable products.Moreover, the absolute boiling point can vary with changes in atmospheric pressure. At higher altitudes, the atmospheric pressure decreases, leading to a lower absolute boiling point. For instance, in mountainous regions, water may boil at temperatures lower than 100 degrees Celsius, which can affect cooking times and food safety. Understanding this variation is crucial for individuals living in or visiting high-altitude areas, as it can impact their daily activities.In addition to practical applications, the absolute boiling point is also a key concept in scientific research. Chemists often study the boiling points of various compounds to gain insights into their molecular structures and properties. For example, substances with strong intermolecular forces tend to have higher absolute boiling points because more energy is required to overcome these forces and transition to the gas phase. This relationship between boiling point and molecular structure is an essential principle in organic chemistry.In conclusion, the absolute boiling point is a critical concept that spans multiple disciplines, from everyday cooking to complex industrial processes and scientific research. Its implications are vast and varied, influencing our understanding of physical properties, environmental systems, and even culinary practices. By grasping the significance of the absolute boiling point, we can better appreciate the intricate connections between temperature, pressure, and the behavior of substances around us. Overall, the absolute boiling point is not just a number; it represents a fundamental aspect of how materials interact with energy and each other, making it a key topic in both scientific inquiry and practical application.
绝对沸点的概念在化学和热力学领域是基础性的。它指的是在标准大气压力下,物质从液态转变为气态的特定温度。理解绝对沸点对于各种科学应用至关重要,包括烹饪、工业过程甚至环境研究。为了说明绝对沸点的重要性,让我们考虑水这一对生命至关重要的物质。水的绝对沸点是在海平面上为100摄氏度(212华氏度)。这意味着当水达到这个温度时,它开始沸腾并转变为蒸汽。这个过程不仅对烹饪重要,而且在天气模式和气候控制中也发挥着重要作用。例如,水从海洋和湖泊的蒸发有助于云的形成和降水,影响生态系统和农业。在工业环境中,绝对沸点用于设计设备,例如蒸馏塔,在那里混合物的分离依赖于不同物质的沸点差异。例如,在石油工业中,原油根据其绝对沸点被分离成不同的组分。这一分离过程对生产汽油、柴油和其他有价值的产品至关重要。此外,绝对沸点会随着大气压力的变化而变化。在较高的海拔地区,大气压力降低,导致绝对沸点降低。例如,在山区,水可能在低于100摄氏度的温度下沸腾,这可能影响烹饪时间和食品安全。理解这种变化对生活在高海拔地区或访问这些地区的人们至关重要,因为它可能影响他们的日常活动。除了实际应用,绝对沸点还是科学研究中的一个关键概念。化学家常常研究各种化合物的沸点,以获得对其分子结构和性质的深入了解。例如,具有强分子间作用力的物质往往具有更高的绝对沸点,因为需要更多的能量来克服这些作用力并过渡到气相。这种沸点与分子结构之间的关系是有机化学中的一个基本原则。总之,绝对沸点是一个关键概念,跨越多个学科,从日常烹饪到复杂的工业过程和科学研究。其影响广泛而多样,影响我们对物理性质、环境系统甚至烹饪实践的理解。通过掌握绝对沸点的重要性,我们可以更好地欣赏温度、压力与物质行为之间的复杂联系。总体而言,绝对沸点不仅仅是一个数字;它代表了材料如何与能量和彼此相互作用的基本方面,使其成为科学探究和实际应用中的关键主题。
相关单词