Based on approaching to the affect of the cylinders on eliminating particle orientation,improving body compaction and homogeneity,the main parameters of the new cylinders were determined: maximum compressing rate between 64%～75%,expanding rate of 150%~300%,diameter-length ratio of 1.

The prediction technology of hole enlargement ratio in the condition of underbalanced drilling;

Objective To analyze the correlation between the position of spacer (PS) and the surgical results and to select appropriate spacer by the calculation of spinal canal area in the double-door laminoplasty of the cervical stenosis.

Speed up expanding the production capacity of cold rolled wide strip;

Significance,Principle and Measures of Expanding Proportion of Medium-paid People;

The cultivation of citizen consciousness plays a key role to expanding citizen s orderly political participation.

Hypertensive intracerebral hemorrhage analyses of factors related with early hematoma enlargement;

The model of enlargement and its application;

With the recruiting enlargement of enrollment colleges, the problem of how to guarantee the educational quality has been emphasized by many colleges.

Expansion of Applicable Range of Registration of Caution;

A study of countermeasures on the implementation and expansion of autonomous management of universities;

There are three basic reasons for expansion of income difference between urban and rural areas: understanding,system and policy.