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1604 results about "Production unit" patented technology

Production unit for microalgae industrialization and method for producing microalgae

The invention relates to a micro-algae industrialization production device and a method of producing the micro-algae, which belong to the engineering field of the micro-algae culturing and the technical field of the environmental protection. An air-pushed type photobiology reactor unit device is an annular shallow pond built by bricks and concrete, an isolation wall with both ends opened is built in the shallow pond, a liquid drainage pipe and a liquid replacement pipe are arranged in the air-pushed type photobiology reactor unit device, an air inlet pipe is fixed on the isolation wall in the middle part of the air-pushed type photobiology reactor unit device and is connected with a plurality of L-shaped branch pipes, a plurality of micro blowholes are arranged on side walls of the transversal pipes of the branch pipes, the whole air-pushed type photobiology reactor unit device is covered by agricultural film and is provided with a skylight, to form an enclosed type photobiology reactor. The device combines the individual advantage of the open type photobiology reactor and the enclosed type photobiology reactor, by adopting the industrial waste gas and the eutrophication surface water or the industrial wastewater as the main raw material to perform micro-algae culturing in a large scale, especially to culture the micro-algae with high oil percentage, to provide the large or medium sized bio-diesel factory with raw oil, and simultaneously the emission reduction of carbon dioxide and the treatment of polluted water body are realized.
Owner:蔡志武

Semiconductor device and its manufacturing method

An issue of reducing a product manufacture unit cost exists in wireless IC chips which are required to be disposable because the wireless IC chips circulate in a massive scale and require a very high collection cost. It is possible to increase the communication distance of a wireless IC chip with an on-chip antenna simply contrived for reduction of the production unit cost by increasing the size of the antenna mounted on a wireless IC chip or by increasing the output power of a reader as in a conventional way. However, because of the circumstances of the applications used and the read accuracy of the reader, the antenna cannot be mounted on a very small chip in an in-chip antenna form. When an AC magnetic field is applied to an on-chip antenna from outside, eddy current is produced in principle because the semiconductor substrate is conductive. It has been fount that the thickness of the substrate can be used as a design parameter because of the eddy current. Based on this finding, according to the invention, the thickness of the substrate is decreased to reduce or eliminate the energy loss due to the eddy current to utilize the electromagnetic wave energy for the semiconductor circuit operation as originally designed. With the thickness reduction, it is possible to increase the communication distance by preventing ineffective absorption of energy and thereby increasing the current flowing through the on-chip antenna.
Owner:HITACHI LTD
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