The inertial impact of the geneva mechanism will be enlarged with the decreasing of the chute numbers,this conclusion provides certain theory basis to kinetic analysis of the work piece delivery or turning mechanism in atautomatic production line.

Central place and cognitive mechanism of editors in peer review;

Excavating the implied information for choosing referee from manuscripts;

This paper describes what review means,analyzes problems in its writing and puts forward basic contents and ways in writing so as to improve the quality of going over manuscripts.

This paper deals with an analysis on professional structure of manuscripts published in agricultural sci-tech periodicals which Journal of Zhejiang Agricultural Sciences is taken as an example and the output value structure of cereal crop,cash crop,horticulture and vegetables,as well husbandry as a contrast during a period of 1998-2006.