The milling force model and the application of the finite element method in milling of thin-wall components were introduced, the loading method and process was designed for the machining deformation of the thin-wall components in end milling.

The RAID50 model of multi-controller stripe and the two-level address mapped mode of the host virtual volume address to high array and low array stripe is designed for enhancing I/O access concurrency.

has been used the Scientific Grade CCD Camera . Driving schedules of IL- E2 TDI- CCD sensor has been examined in detail ,the driving schedule generator has been designed for Sci- entific Grade CCD Camera.

In order to realize the PID parameter self-tuning,a fuzzy self-tuning PID controller which follows the PID parameters optimizing laws,and uses fuzzy logics to do automatic on-line tuning of PID parameters is designed for the temperature control system of crystal growth furnace based on PID control and fuzzy control.

Many kinds of client request applications and server programs are designed for the aging of JUFrame application sever,in which 36 parameters in 5 groups are recorded.

In comparison to familiar sensor concepts (square diaphragm sensor),the SiC pressure sensor designed for pressure range of 10kPa exhibits high sensitivity,small nonlinearity and elevated operation temperature.

(2)the principle of controlling system of closed loop designed for the linear fraction welding equipment is right, which can be debugged by the software of linear

This paper designed for the thread with the teaching of a step of linear differential equation, has explained that paying attention to the infiltration of teaching methods in the teaching of higher mathematics, also has positive value in training and developping students' thinking ability.

Methods Using computer network resouces and Oligo6.0 and Blast Research software can gain the effective RNAi sequences of N-ras coding region. The hairpin DNA was designed for forming siRNA in vivo transcription.

For studying the RNA interference to the S protein of SRAS coronavirus,16siRNA candidate targets were se-lected focusing on S protein. The hairpin DNA was designed for forming siRNA in vivo transcription. The designed DNA would be transfected into target cells.

A parametric curve based on a manifold is designed for constructing an accurate closed curve.

By using the exponential reaching law technology, a sliding mode controller was designed for Lorenz chaotic system subject to an unknown external disturbance.

A peer-to-peer hierarchical replica location mechanism (PRLM) was designed for data grids to provide better load balancing capability and scalability.

A non-coaxial grazing X-ray microscope, consisting of four spherical mirrors, is designed for diagnosis of inertial confinement fusion (ICF).

Second, a combined PID and fuzzy controller is designed for the bandwidth-limited active suspension system and then programmed by means of S-functions in Matlab/Simulink, to which a data exchange interface with ADAMS/View is also defined.

A method based upon simple diffraction theory is described for the calculation of modified paraboloid reflectors to produce from a point source a shaped beam of arbitrary shape in one plane and uniformly narrow in the perpendicular planes. A specific application of the shaped beam antennas is in connection with radar antennas designed for height finding. In this case the antenna must have a sharp elevation beam for obtaining precise elevation information and a rapid elevation scan. The beam must be relatively...

A method based upon simple diffraction theory is described for the calculation of modified paraboloid reflectors to produce from a point source a shaped beam of arbitrary shape in one plane and uniformly narrow in the perpendicular planes. A specific application of the shaped beam antennas is in connection with radar antennas designed for height finding. In this case the antenna must have a sharp elevation beam for obtaining precise elevation information and a rapid elevation scan. The beam must be relatively broad in azimuth in order that the target will be held in the beam long enough to obtain height information. If a fixed minimum of illumination is to be achieved at a given linear distance on both sides of the center line of the azimuth beam, the amplitude pattern must have the so-called "double cosecant" or "beavertail" shape.

A new method for the biological assay of vegetable purgatives based on the numbers of wet faeces excreted by groups of mice after dosing is described. The relation of the number of wet faeces per group of mice to the logarithm of the dose was found to be linear. A cage has been specially designed for this assay and it has been found advantageous to incorporate a definite proportion of water in the diet during test. 40 mice divided equally into 4 groups were used in each assay. 2 groups received the standard...

A new method for the biological assay of vegetable purgatives based on the numbers of wet faeces excreted by groups of mice after dosing is described. The relation of the number of wet faeces per group of mice to the logarithm of the dose was found to be linear. A cage has been specially designed for this assay and it has been found advantageous to incorporate a definite proportion of water in the diet during test. 40 mice divided equally into 4 groups were used in each assay. 2 groups received the standard preparation and the other 2 groups received the test preparation. The standard deviation of a single determination based on 9 such assays was estimated to be 15.7 per cent. For rhubarb and its preparations, a“6-point”assay is advocated. With suitable restric-tion in the design of the assay, it is possible to calculate the potency by simple methods. Powdered crude drugs are used as laboratory standards in the assay of senna and rhubarb. The doses of cascara bark required to produce distinctive responses are too inconveniently large to be administered in suspension. It was found possible to use a potent extract of cascara in place of the powdered bark as a laboratory standard. Examples of the assay and the subsequent calculations are given. The method described is not only convenient in use but also gives a comparatively high degree of accuracy. The method has been successfully applied to senna leaf, senna fruit, rhubarb, cascara sagrada and extracts and commercial preparations made from these drugs, pure glycosides(sennosides A and B) and pure anthracene compounds(aloe emodin and aloe-emodine anthranol).

The principles of obtaining optimum design for R-C coupled pentode ampli- fiers are obatined. It was shown that for small input signals, operation is limit- ed in so small a portion of the characteristic that much smaller than usual grid bias may be used to obtain higher trangconductance, and consequently higher gain; whereas for large input signals,non-linearity of the characteristics limits the maximum output obtainable. Therefore, design should be different for small and for large input signals....

The principles of obtaining optimum design for R-C coupled pentode ampli- fiers are obatined. It was shown that for small input signals, operation is limit- ed in so small a portion of the characteristic that much smaller than usual grid bias may be used to obtain higher trangconductance, and consequently higher gain; whereas for large input signals,non-linearity of the characteristics limits the maximum output obtainable. Therefore, design should be different for small and for large input signals. After the load resistance was obtained from other considerations, it was shown how the required optimum voltages on the screen grid and for grid bias can be obtained from the standard characteristic curves of pentodes given in radio tube handbooks. Concrete examples are used in elucidat- ing these principles.