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

成矿流体为中低温、低盐度、弱酸性、低氧逸度和硫逸度。The ore-forming fluid is of medium-low temperature, low salinity, and low fugacity of O2 and S2.

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为精确计算异丙醇反应系统丙烯-水体系露点，选用逸度-活度模型方法。The fugacity -activity model is adopted to accurately calculate dew drop in propylene-water system.

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

高温高压下样品中氧逸度由此可独立于温度、压力进行就位控制。In this way, the oxygen fugacity in the sample can be conveniently controlled in situ independent of temperature and pressure.

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

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

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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。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.

成矿热液活动由早阶段到晚阶段在空间上似具有由高向低、氧逸度具由低到高的演变特征。From early to late stage metallogenic hydrothermal activity evolves from high to low altitude in space, and the oxygen fugacity changes frow lowto high value.

李-杨把外场或逸度看成复变量，研究配分函数零点在复平面中的分布，从而提供了一种定性定量研究临界现象的方法。Yang and Lee proposed to investigate the distribution of partition function zeros in the complex plane, i. e. , the field or fugacity were treated as complex variables.

与构造环境密切相关的氧逸度是控制地幔流体成分的最根本因素，CO2和H2O为大多数地幔流体的主要成分。The basic-factor affecting the content of mantle fluids is oxygen fugacity which is highly related to tectonic setting. Major components of mantle fluid are CO2 and H2O.

热液的组成、矿物的结构、温度、压力以及氧逸度都与分配系数密切相关。The composition of aqueous fluids, crystal structure and component of minerals, temperature, pressure, and oxygen fugacity all have effects on partitioning coefficients.

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实验数据验证了二氧化碳水合物的分解速率与压力推动力有关，水合物表观分解速率常数与压力推动力成正比。Analysis of the data indicates that the decomposition rate of carbon dioxide hydrate is proportional to the fugacity difference at the equilibrium state pressure and the decomposition pressure.

结合实例计算，给出了沥青质参考逸度的计算、饱和压力和沥青沉降量的拟合方法。The paper also presents the calculation technique of reference fugacity , and the matching method to saturation pressure and amount of precipitated asphaltene through the example shown in the paper.