function letter
1.The amount of new stock and EPS one year before the new stock issue have a remarkable effect on the underpricing rate, and there is relationship of quadratic function taking the shape of letter U among the three mentioined above. Before the turning pint appears, the information effect of new stock amount is stronger than the supply one, and the quality effect of EPS stronger than its investment effect whereas after the turning point appears, converse is the case.
2.In order to probe into characteristic and function of knowledge token in the field of cognizance science in information times, this paper discusses the theory and method of information knowledge token by carding the development process of knowledge token and also analyses both characteristic and function in the field of cognizance science of the letter token, chart token, hyper text token, multimedia token and virtual realism token etc.
3.letter and visit’ system once developped the extremely important function in stage in some histories,however with socialdevelopment and puting forward of the idea of the rule of law,this objective result of trying to use administrative remedy replacingjudicature remedy run in opposite directions with developments request by rule of law state,then letter and visit’system has walkedto the crossroads of system change,and appeared the dilemma.
4.In this letter, we introduce the rule of the linear and non-linear movement of the single pendulum, and by using the Jacobian elliptic function, we educe two categories of movement fuctions of the single pendulum, the results will be some referential improtance in studying the non-linear vibrational systems.
5.Taking ACS-30-XB letter package electronic scale for instance,and directing at the defect that it is invisible of communication between PC and peripheral equipment under the traditional manner,this paper systematically introduces the serial communication principle between PC and 8031 single chip computer,realizes the function of range switching and zero value tracking automatically,and the communication between PC and ACS-30-XB electronic scale by Delphi language under Windows98,and then realizes computerlink management by RS 232C standard serial port.
