fugacity

简明释义

英[fjuːˈɡæsɪti]美[fjuːˈɡæsəti]

n. 无常；易逃逸；不安定

英英释义

单词用法

同义词

反义词

例句

1.The ore-forming fluid is of medium-low temperature low salinity and low fugacity of o2and s2. the metallogenic substance mainly comes from the archeozoic metamorphic rock series in basement .

成矿流体为中低温、低盐度、弱酸性、低氧逸度和硫逸度。成矿物质主要来源于基底太古界变质岩系。

2.The ore-forming fluid is of medium-low temperature low salinity and low fugacity of o2and s2. the metallogenic substance mainly comes from the archeozoic metamorphic rock series in basement .

成矿流体为中低温、低盐度、弱酸性、低氧逸度和硫逸度。成矿物质主要来源于基底太古界变质岩系。

3.Based on a brief analysis of the genesis of hematite, the authors hold that hematite in red granite was mostly produced under the condition of high oxygen fugacity.

本文对赤铁矿的成因作了简要分析，认为红色花岗岩中的赤铁矿大多为高氧逸度条件下的产物。

4.It is concluded that the fluid forming this type of copper-gold deposit is one high oxygen and sulphur fugacity and low-to-moderate temperature acid fluid.

认为形成这一类型矿床的流体是一种高氧逸度、高硫逸度的中低温酸性流体。

5.These factors include magma composition, convection, diffusion, thermal gradient, oxygen fugacity, temperature, pressure, the shape of magma chamber etc.

影响韵律形成的因素很多，通常包括岩浆成分、对流作用、扩散作用、热梯度、氧逸度、温度和压力等。

6.Under the influence of the subduction, the source mantle of the potassic lamprophyres has a high geothermal gradient and oxygen fugacity.

由于这种作用的影响，使钾质煌斑岩的源区地幔处于地温梯度高、氧逸度高的不稳定状态。

7.However, the temperatures and oxygen fugacity of magmas at high level magma chamber decreased along with fractional crystallization.

但在高位岩浆房中，随着分离结晶作用的进行，岩浆的温度和氧逸度逐渐降低。

8.The article sums up the constitutional equation of authentic gas and recommends a convenient formula of calculating fugacity.

本文归纳了真实气体的状态方程，并推荐一个计算逸度的简便公式。

9.The parameter in fugacity-activity model is obtained by combining PSRV equation with MHVI to simulate the experiment result.

逸度-活度参数采用PSRV方程和MHVI混合规则拟合实验数据结果。

10.A new method to calculate the volume and fugacity of saturated vapor is obtained.

本文得到了一种不用状态方程计算饱和蒸汽摩尔体积的新方法。

11.The concept of fugacity is essential in thermodynamics to describe the tendency of a substance to escape from its current phase.

在热力学中，fugacity 的概念对于描述物质从其当前相逃逸的倾向至关重要。

12.In chemical engineering, we often calculate the fugacity of gases to predict their behavior under various conditions.

在化学工程中，我们经常计算气体的 fugacity 以预测它们在不同条件下的行为。

13.The fugacity of a solvent can affect the solubility of solutes in a solution.

溶剂的 fugacity 可以影响溶液中溶质的溶解度。

14.Understanding the fugacity of a component helps in designing better separation processes.

理解一个组分的 fugacity 有助于设计更好的分离过程。

15.The fugacity coefficient is used to correct the ideal gas law for real gases.

fugacity 系数用于修正理想气体定律，以适应真实气体。

作文

In the realm of physical chemistry, the concept of fugacity plays a crucial role in understanding the behavior of gases and their interactions with other phases. It is a term that may not be familiar to everyone, yet it encapsulates an important aspect of thermodynamics. Essentially, fugacity can be thought of as an effective pressure that accounts for deviations from ideal gas behavior. This notion is particularly significant when dealing with real gases, which do not always conform to the predictions made by the ideal gas law due to intermolecular forces and other factors. To elaborate further, fugacity is defined as a corrected pressure that reflects the tendency of a substance to escape or expand from its current phase. In simpler terms, it represents how 'escaping' a gas is from a given environment. The higher the fugacity, the more likely the gas will leave its current state. This property becomes especially important in processes such as distillation, where the separation of components relies on their differing tendencies to vaporize. One might wonder why we need to use fugacity instead of just relying on pressure. The answer lies in the fact that real gases exhibit non-ideal behavior under various conditions, such as high pressures or low temperatures. Under these circumstances, the interactions between gas molecules become significant, leading to deviations from the ideal gas law. By using fugacity, scientists and engineers can better predict how gases will behave in different situations, thus allowing for more accurate calculations and designs in chemical processes. Moreover, fugacity is not only relevant in theoretical studies but also has practical applications in industries such as petrochemicals, environmental science, and even food processing. For instance, in the oil and gas industry, understanding the fugacity of various hydrocarbons can help in designing more efficient extraction and refining processes. Similarly, in environmental science, it aids in predicting how pollutants will behave in the atmosphere, which is essential for developing effective mitigation strategies. In conclusion, the concept of fugacity is a vital component of physical chemistry that enhances our understanding of gas behavior in real-world scenarios. By considering fugacity, we can account for the complexities of molecular interactions and improve our ability to predict and manipulate the behavior of gases in various applications. As we continue to explore the intricacies of thermodynamics, fugacity will undoubtedly remain a key focus, bridging the gap between theoretical knowledge and practical implementation in the field of chemistry.

在物理化学领域，fugacity的概念在理解气体行为及其与其他相互作用方面起着至关重要的作用。这个词可能并不为每个人所熟悉，但它概括了热力学中的一个重要方面。本质上，fugacity可以被视为一种有效压力，它考虑了理想气体行为的偏差。当处理真实气体时，这个概念尤为重要，因为真实气体由于分子间的相互作用和其他因素，并不总是符合理想气体定律的预测。 进一步阐述，fugacity被定义为一种修正压力，反映了一种物质从其当前相位逃逸或扩展的倾向。简单来说，它表示气体在给定环境中“逃逸”的程度。fugacity越高，气体离开其当前状态的可能性就越大。这个属性在诸如蒸馏等过程中变得尤为重要，因为组分的分离依赖于它们蒸发的不同倾向。 人们可能会想知道为什么我们需要使用fugacity而不是仅仅依靠压力。答案在于真实气体在各种条件下表现出非理想行为，例如高压或低温。在这些情况下，气体分子之间的相互作用变得显著，导致偏离理想气体定律。通过使用fugacity，科学家和工程师可以更好地预测气体在不同情况下的行为，从而使化学过程中的计算和设计更加准确。 此外，fugacity不仅在理论研究中相关，在石油化工、环境科学甚至食品加工等行业也具有实际应用。例如，在石油和天然气行业，了解各种烃类的fugacity可以帮助设计更高效的提取和精炼过程。同样，在环境科学中，它有助于预测污染物在大气中的行为，这对于制定有效的缓解策略至关重要。 总之，fugacity的概念是物理化学的一个重要组成部分，增强了我们对气体在现实场景中行为的理解。通过考虑fugacity，我们可以考虑分子相互作用的复杂性，提高我们预测和操纵气体在各种应用中行为的能力。随着我们继续探索热力学的复杂性，fugacity无疑将继续成为一个关键焦点，弥合理论知识与化学领域实践实施之间的差距。