This paper puts forward a new processing way, Equal Channel Angular Pressing (ECAP), to make block semi-manetic materials for the problem of low utility rate.

This paper introduce the present situation and problems of dry land seedling transplantation and transplanter in China, emphatically analyze and research the transporting, metering and dropping equipment, determine conveyer belt & guiding wheel to make block seedlings stand in line, cam driving double pin to separate the block seedlings and touched-off splint to fall the seedling;

In order to make block motion estimation faster and more accurate, a fast, efficient and adaptive block motion estimation algorithm with center-biased pointer-detect mode is described in this paper.

In order to make block motion estimation faster and more accurate, this paper proposed a novel fast and efficient algorithm, which is composed of the classification of macro block, the filter of motion vector, and effective half stop criteria. Based on the characteristic of the homogenous of motion vector field, the algorithm achieves block motion estimation fast and efficiently by adaptively determining search origins and search measures of different blocks.

The latter is especially useful to make block copolymers, which are discussed further below.

This approach improves the random first approach to make block distribution equally, and thus eliminates the last block problem.

But he must make block for the new element and insert the block in the drawing by means of AutoCAD2000.

This paper presents a new concept in constructing a process controller. The con-cept is derived from a thorough study of the conditions necessary to realize the optimalcontrol process, regardless of the situation whether the controller is to function as a regu-lator or as a servomechanism. In operatoin, it functions on the combined actions. of linear(proportional) and nonlinear(logic) systems contained in its structure. It is composedof two principle blocks, namely, the control function block and...

This paper presents a new concept in constructing a process controller. The con-cept is derived from a thorough study of the conditions necessary to realize the optimalcontrol process, regardless of the situation whether the controller is to function as a regu-lator or as a servomechanism. In operatoin, it functions on the combined actions. of linear(proportional) and nonlinear(logic) systems contained in its structure. It is composedof two principle blocks, namely, the control function block and the decision makingblock. After receiving signals from the controlled process, the decision making block qui-ckly makes decision as to what kind of commard (ON or OFF) should be sent tothe functional block, while the functional block, having received command from theprevious block, will faithfully execute appropriate actions according to the nature of thecommand it receives. Detailed theoretical analysis and computation revealed that the linear and nonlinear parts of the controller complement each other to such a degree as wasnever possible in conventional controller commercially available to this data. For the purpose of verifying the working principle of the ESO controller, anelectronic model is constructed. Large number of tests were run on this model andoscilloscopie pictures were taken. Comparison. between data collected from this systemand those obtained from theoretical analysis indicated excellent agreement betweentheory and experiments.

Guilloton-Gadd′s method (i.e. G-G′s method) is a non-linear wavemaking theory applied to practice with good results. The computational practice over a long period of time has shown that its calculation results agree well with the test results in medium velocity, and that differences in wave drag caused by small differences in hull shape can be predicted satisfactorily. Much theoretical and numerical study on this method is done by many authors. Based on their work, some study on its application has been done...

Guilloton-Gadd′s method (i.e. G-G′s method) is a non-linear wavemaking theory applied to practice with good results. The computational practice over a long period of time has shown that its calculation results agree well with the test results in medium velocity, and that differences in wave drag caused by small differences in hull shape can be predicted satisfactorily. Much theoretical and numerical study on this method is done by many authors. Based on their work, some study on its application has been done in this paper, which includes mainly: 1)By the use of double circucular arc spline approximation. the author makes the numetical treatment of hull geometry to suit the sensitivity of G-G's method for hull geometry. 2)He investigates the numerical method of Michell's integral to get Michell wave resistance. 3) He improves the numerical method to calculate disturbance velocity-field by using the physical model of distributing the centralized Kelvin point sources so that G-G′s method can be realized quickly on minicomputers. He makes block-building program and computes for several ships to investigate the validity of G-G′s method. 4) By utilizing G-G′s method, he improves the bow of the twinstern ship of the Changjiang River to get optimal ship form for minimum wave resistance. 5)The resistance tests are made in order to verify the computational results in the paper.

his paper describes a new polyfimctional inihator, 4,4'-azobis[4-cyanopentanoyl (p-dimethylandno)anilide] (ACPDA), for the the radical polymerization. It was obtained by the rcaction of 4,4'-azobis(4-cyanopentanoyl chloride) with p-amino-N, N-dimethylaniline' ACPDA contains two reaction centres with different reactvities that are azo-group and N, N-dimethylaniline-group. By the controlled different conditions this initator can be utilized to make block polymers.