摘要:Based on mean inequlity, an integral inequality formual is obtained in positive function matrix. With the formula, Buniakowski etc. integral inequality can be clearly proved by forming matrix. And what’s more, all of the continuous positive function matrix will build corresponding integral inequality.
Zhou Xiaoyan Lin Yong Liang Wei Meng Aiping Xue Xi
Issue 3, Pages: 59-62(1998)
摘要:A asymmetric FIR low - pass filters based on central - difference operators is described. It includes the truncation and modification of an infinite series of central - difference operators representing the shift operator Eτ and the effective separation of passband and stopband design procedures.
摘要:In this paper we studied the formula, the property and the application of coherent state respectively by creation - annihilation operators of occupation representation.
摘要:A nonlinear HVS operator to detect gray edge was presented in this paper. It’ s more accurate than normal linear edge detect operator when the difference of light intensity in the edge field is small. Further more, in this operator, the theory about HVS edge feeling of bright and dark was conformed to the theory of HVS response function to light intensity-the logarithmic function. The results of several experiments were consistent with the feeling of HVS. And normal linear operator couldn’t successfully detect the edge of the image used in these experiments.
摘要:The preparation of cellulose water - absorbed resin from cotton was discussed in this article, and the action of the resin in the process of the cement solidification and its effect to the strength of the cement after solidification were inquired into, too. It was proved that adding cellulose water- absorbed resin not only enhanced the preservation of water in the cement, but also improved the strength of the cement.
关键词:Cellulose water - absorbed resin;Graft polymerization;Solidification
摘要:In this article, brief of the physiological action of trace-element in an animal bodies was given, and the general rule in designing the premix of trace-element additives was introduced. Finally a example of the premix of trace-element additives was provided.
摘要:An ideal control component TC35C25 used in pulse - width modulation (PWM) controller was introduced in this paper. It’s composition and applicalion in PWM were shown in details.
摘要:Chromium - base alloys and cobalt - base alloys are of good properties, high hardness, and they are difficult in processing. More ideal parameters are obtained through the experimental research on processing chromium - base alloys by means of the ceramic cutter LT55 and on processing cobalt - base alloys by means of the ceramic cutter SG4. And through increasing the negative front angle of cutters, improving their stress condition subjected to, decreasing cutting thickness, lowering cutting impacting loading, the use life of the cutters is lengthened, thus the problems of processing some parts are solved by means of the ceramic tool, such as cutting the parts which are of high hardness and impacting the parts which are of large loading.
关键词:Ceramic cutter;Chromium - base alloy;Cobalt - base alloy;Cutting
摘要:There is no unified explanation and exact conclusion on connecting state between short conical flange type C- form spindle end and face plate. Correct conclusion was given in this paper based on analysis of location and analysis of dimension on connecting state.
关键词:C - form spindle end;Short conical flange type;Connection;Location;Fit