This paper introduces some concepts of POP3 protocol, Windows socket and background program , and it describes the main principle of designing background monitor program with Winsock in detail.

Elementary introduction the measure to prevent the wall, window, beam, pillar from dew indoors;

Creating & Calling the Multi-Condition and Dynamic Retrieval Window In PowerBuilder Application;

Realizing Multiwindows with Frame Technique on Web;

Develp a Pprogram to Get the Information of Other Windows by C++Builder;

Special Control Effects of Control Windows by Message “Misleading” in VB Subclassing Technique;

In article，system function, windows form and controls are briefly emphatically.

Facing the development of west China,the entering into WTO,and the full-scale start-up of Chinese market economy, Wanzhou district which is the centre of the economic zone of the Three-Gorges hinterland should manage to play the “window”role to east China and the opening to the foreign countries.

To study the influences of methane on selective non-catalytic reduction (SNCR), the condition of flue gas composition was simulated on a drop tube furnace test rig, and the influences of a few of methane on SNCR temperature window, NOx reduction efficiency and ammonia slip from 650℃ to 1 150 ℃ were investigated, as well as reactivity of methane.