forward characteristic
1.This article corrected theoretical characteristics of the pump, put forward characteristic eguation of practical pump and calculating fromula of flow loss based on hte Euler equation.
3."Adding weld wire inside" GTAW is brought forward according to the characteristic of groovy GTAW and swaying GTAW.
4.Then a retraction less variable precision gap setting method was put forward based on the characteristic of plate gap setting.
5.The electric arc tube' s shell shaped and neck shrank method is put forward according as the quartz glass characteristic.
6.A modificatory MLE model has been put forward to reduce the estimate error of reliability characteristic parameter in case of the little fail data.
7.The other is putting forward a method to ulteriorly simplify ARP, according to the characteristic of the minimum embedded Webserver system.
8.Starting with AVO forward calculation, this paper gives analysis to the AVO abnormal characteristic of gas sand verified by drilling and proposes the AVO negative abnormal characteristic of shallow gas reservoirs in Yinggehai Basin.
9.This paper, on the basis of the research of CAD characteristic information models of parts and according to the standard of STEP, puts forward the methods and measures for the description and automatic manufacture of CAPP characteristic information of parts so as to realize the intergration and to share the characteristic information of parts between CAD and CAPP.
10.We put forward the graphical theory model of JSP, and analyze the cause of unfeasible scheduling and its characteristic, then educe the sufficient and necessary condition that a feasible scheduling solution requires.

