Random good picture Not show

151, On the principle of changeable mass thermodynamics, a thermodynamic model of working process for scroll compressor with self-adjusting back-pressure mechanism is established in this paper.

152, A model of pyrotechnical combustion products was established based on the principle of minimum free - energy.

153, Based on the principle of mutual inductance coupling, this system adopts to the techniques such as DDS and realized the accurate testing of the quality parameters of electronic labels.

154, This paper describes a new hygrometer which is based on the principle of lithium chloride dew-point hygrometer but it can read and control the relative humidity directly.

155, Methods: this exam paper generation algorithm uses the random generating algorithm with uniform distribution and based on the principle of exam and framework of package library.

156, Based on the principle of period transit method,(http://sentencedict.com/on the principle of.html) semi-period transit method of collimation is proposed to improve the north-seeking speed and the automatic degree.

157, Digital multiplexing is a technology for digital combination which is based on the principle of time-division multiplexing.

158, Based on the principle of volume contraction of freezing, the designing process of riser fitting to the cast steel inserted die with exothermic covering flux has been studied.

159, Based on the principle of the least deviation method , the paper puts forward a rapid and high-precision arc interpolation method through special-structural discrimination function.

160, Based on the principle of Ethernet switch, this paper introduces a method for the design of five ports Ethernet frame switch and analyzes the function module of each.

161, Based on the principle of the dual simplex method about linear programming, the changes of the value of the objective function in iterations have been studied.

162, Based on the principle of chance-constrained programming(CCP), a stochastic model for maximum transfer power with transient stability constraints is proposed in this paper.

163, Based on the principle of computer vision, this paper presents a matrix algorithm for the coordinate transformation from visual plane to geographical plane.

164, An optical profilometer, based on the principle of the differential interference microscope, has been developed.

165, Next sets up the basic of mode of mine - area land environment and resource information system based on the principle of GIS .

166, The excavating trajectory equation of mine clearing manipulator is built up based on the principle of minimum resistance.

167, Based on the principle of the photoelectron imaging spectrometry, the photoelectron image is investigated by using two-photon resonance and three-photo ionization.

168, Finally the threshold value of load amplitude that influences fatigue life of wheelset is calculated based on the principle of equivalent damage and damage distribution agreement.

169, The board of directors shall decide on important problems concerning the equity joint venture on the principle of equality and mutual benefit.

170, The fundamental principle of inertial navigation is based on the principle of equivalence of inertial mass and gravitational mass.

171, The schemes which separately set on the principle of target coverage ratio and important extent of highway were studied in detail.