[Method] With the stem of Hongye poplar as explant,they were treated by Vc solution vibrating for 3 h before the routine disinfection,then were inoculated in the medium adding the activated carbon with different content and that without Vc solution treatment was taken as CK.

This article studied the processing parameters of ethyl cellulose microencapsulation of ascorbic acid with thermal phase separating method.

The Antioxidization of ascorbic acid,malic acid,tartaric acid,citric acid,p bromomandelic acid,aminoacetic acid and nitrilotriacetic acid for lard was studied.

The titratable acid content and ascorbic acid content in jujube increased slowly,then decreased slowl.

A Research on Measuring Content of Vitamin C in Fruits by using Spectrophotometer;

Determination of Vitamin C in Vegetables with lodimetry-potentiometer Titration;

Analysis of the Content of Vitamin C in the Dying Process of Red Jujube;

Mixed Programming Between Visual C++++ and MATLAB Via Dynamic Link Libarary;

We firstly analyze the advantages of the Visual C++++ language and SuperMap,then propose the basic principles and general method of hybrid programming with VC and SuperMap.

The paper analyzes interface implementation between VC++ and LabWindows/CVI,In view of conflict problems in their messages mechanism,adopts a method that LabWindows/CVI User Interface messages are insulated,to solve messages conflict problems,and LabWindows/CVI DLL is used effectually in Visual C++++ development environments in actual applications.