Technical discussion on improvement of internal quality of cotton type polyester staple;

The botanical character,fruit appearance and internal quality of four annona cultivars were studied in this paper.

We have studied the relationship between the distribution of organic components and the internal quality of four kinds of cigarettes made at Lanzhou,the results showed that when the cigarettes are higher in quality,the contents of organic components extracted,biological base,polarity fraction and less polarity fraction will be higher.

This article summarizes the status of pesticide emulsifier in our country, and then puts forward some questions to which should be paid attention in the area of the inner quality.

The inner quality of SBS produced by different producers were investigated and evaluated by means of GPC data analyzing and GPC curve directly compared, and the differences of the inner quality of SBS produced by different producers were found.

Improve the internal quality of the technical periodicals in coal industry by enhancing foundamental work;

And also an effect of the internal quality on foaming is discussed.

The factors which influence the internal quality of POY including spinneret diameter,module pressure, lateral blow and gather position were discussed.