Analyzed effects on the all-glass evacuated tubular solar water heaters from seasonal factors (sunny day, seasons), anatomic factors(inclination of heaters, average heat loss factor, water capacity of water tank, transmittance of glass and absorplance of absorbing coatings) and operating factors(original temperature of water).

Influence of time factor on the dissolution of wax framework sustained-released tablets;

Point-guiding of planar cam guiding mechanism under the consideration of time factor;

This paper analyzes the time factor of twoheat sequential casting at No1 EAF Steelmaking Plant of Guangzhou Iron & Steel Co, Ltd Applying the concept of time point,time domain,time sequence and time position firstly, the function of buffering and matching of LF is explained quantitatively Corresponding with the time position, the temperature change of steel in LF is analyzed.

There are many time factors which can decide the effect of school physical education, among which the time curves of life activities, of knowing things, of over-restoration, of the development of athletic skills, and of the change of the body抯 functioning ability are the most important.

This thesis makes a study on the basis of semantic variation through syntactic semantics, linguistic synchronic factor, concrete-abstract categories and transform of communicative function of lexical semantics, inspects semantic relationships in discourse acts based on the dynamic changes of lexical meaning.