This paper introduces some conservation tillage technology and countermeasures for these problems.

Based on the analysis of conservation tillage technology implementary significance,this paper analyses the procedure of its implementary benefit evaluation indicator system establishment,puts forward evaluation indicator system elementary design.

Taking Shanxi province as the example,this paper surveys and analyzes the situation and questions in extending conservation tillage technology.

Aiming at some problems in agriculture production of China,the paper proposed the conservation tillage techniques corresponding with the characteristic of Chinese agriculture and the reasonable resolvents.

The method to settle the high and low-pressure power supply wire net leakage electric current in coal mine well and its protection technique analysis;

IP protection technology based on EDA software and FPGA

According to their features,their protection technology will mainly comprise the following parts: protection technology in the process of electronic documents taking shape; protection technol- ogy of utilization transmission; r.

Through expounding the archival document heritage and the protection of archival document heritage,this paper illustrates that the protection technology is the foundation for the protection of archival document heritage,and probes into the protection measures.