Based on the normal sound absorption coefficients deduced from the average absorption of human body in reverberation room,the absorption boundary conditions of snowman model are proposed and applied to calculate the near-field HRTFs(Head-Related Transfer Functions).

Presented the data model of information data market of subsistence allowances: snowflakes model,and made a detailed study of many related technical issues in the data model,such as the facts t.

The characteristics of the education and examination data are analyzed,and snowflake model for the data marts of college entrance examination is designed.

This paper introduces the steps to set up a data warehouse,and choose a certain district community health management information system which is in Guangzhou as an example,to build a data warehouse snowflake model,and make preparation for the work in next stage like data mining and so on.

Snowplow model of gas-puff Z-pinch imploding plasma;

In theory, the snow-plow which is programmed in C programming language is used as the stimulation which describes the condition of plasma in capillary with different Argon pressure and current in capillary.