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近代上海道契与明清江南土地契约文书之比较
明清 近代上海
2007/12/24
道契是近代上海(主要在租界地区)土地运作的重要契据。其契纸称为“出租地契”,即把地产使有权转让给外国人,因例送苏松太道署盖印发给,俗称“道契”。这类文契名为永租,实同买卖,成了外国人在华执业之凭证。从逻辑上说,近代上海发行的道契与明清时期江南土地买卖租赁契约存在着一定的承袭关系,但由于租让对象发生了变化,尤其是在租界特有氛围的孕育下,旧有的土地形态出现分解,并由此演化出新的土地关系与经营方式。作为...
A Direct Procedure for Determining the Number of Plates in Tactoids of Smectites: The Na/Ca-Montmorillonite Case
Bentonite Conductivity Dispersion Hydraulic Smectite Tactoid
2012/2/10
The dispersion of clays is of great importance in determining various soil properties such as hydraulic conductivity. A procedure which involves fixing followed by embedding of clay particles in an ep...