In order to use the cotton stalk which is agriculture reject to manufacture scrimber, the solution of the question of forest resources insufficiency and the crops straw waste, the paper have a study on the rolling and combing characteristics and equipment design of cotton stalk.

Storage and computation efficiency and computation efficiency of the normal form method are analyzed by studying the sparse characteristics of dynamic mathematic models and normal form algorithm models of power systems.

The authors investigated the relations between the traditional window functions and the spectrum sparse characteristics after DFT,and put forward two sparse characteristics′ criterions based on the width of leakage spectrum frequency band and the number of effective spectrum lines.

Screening and identification of atrazine degrading bacteria and their degradation characteristics from black soil in cold area;

Isolation and degradation characteristics of high effective Cypermethrin-degrading microorganisms from tea garden soil

This paper focused on the separation,filtration,identification and degradation characteristics of the two strains L1 and N8 that were isolated from the sewage discharge outlet in Jilin Pesticide Factory and the leachate of the Changchun Peijia Landfill.

Comparison on the dissolution characteristics among new solvents of cellulose;

Based on the model of quantitatively calculating the dissolution thickness of the base metal in liquid brazing filler metals, the dissolution characteristics of stainless steel base metal(1Cr18Ni9Ti) in the liquid Nickel-based (Ni82Cr7.