沉降平衡

应用玻尔兹曼分布定律证明了范特霍夫渗透压公式、开尔文公式、胶体粒子沉降平衡公式等与粒子在外力场中分布有关的基本公式，模型清晰，方法便捷。

The basic formulas about particles distribution under outside force fields , such as Van 't Hoff formula , Kelvin formula and sedimentation equilibrium formula of colloid have been proved by using Boltzmann distribution law . The moulds are clear and the method is simple and convenient .

湿沉降离子平衡参数取值范围的计算

Calculation of value range of ion balance parameter of wet deposition

研究了在（25±02）℃条件下，草酸钚（Ⅳ）沉淀沉降达到平衡所需的时间和草酸钚（Ⅳ）沉淀在不同浓度HNO3H2C2O4混合液中的溶解度。

Under the condition of ( 25 ± 0 2 ) ℃, the balance time for the precipitating reaction of plutonium (ⅳ) oxalate and the solubility of plutonium (ⅳ) oxalate precipitate in mixed solution of HNO 3 H 2C 2O 4 with different concentration have been studied .

随着龙门山北段造山活动减缓，川西地区盆地充填速率与盆地沉降速率达到平衡，广元一带率先处于无沉积状态。

AS the uplift of northern part of Longmen mountain slowered down and the compaction rate equaled the subduction rate , there were no deposit in Guangyuan .

为保证开挖面稳定及控制地面沉降，土压平衡盾构掘进时必须合理匹配各施工参数。

For EPB ( Earth Pressure Balance ) shield tunneling , one must properly choose driving parameters to maintain face stability and control ground subsidence .