摘要:
The present invention relates to a surface expression vector expressing a parvovirus antigen on the surface of microorganisms, the vector containing not only a gene encoding the capsid antigen protein of parvovirus causing canine parvovirus (CPV) infection and feline panleukopenia (FLP) but also at least one of pgsB, pgsC and pgsA genes encoding a poly-gamma-glutamate synthetase complex. Also, the present invention relates to microorganisms transformed with the surface expression vector, and parvovirus vaccines containing the transformed microorganisms. According to the present invention, the use of the recombinant bacterial strains expressing the parvovirus antigen on their surface allows the economical production of vaccines for the treatment and prevention of canine parvovirus infection and feline panleukopenia.
摘要:
Provided are an Ethernet line card and a method of providing various services using the same. The Ethernet line card includes: a priority allocation unit setting a priority of a received Ethernet packet according to a pre-set control standard based on header information of the Ethernet packet; a quality of service (QoS) guarantee unit defining a capacity per class based on a pre-set QoS standard, inserting the Ethernet packet into a relevant class, and dropping and managing the Ethernet packet based on the priority if the Ethernet packet exceeds a capacity of the relevant class; and a signal processing unit managing and updating the pre-set control standard and the pre-set QoS standard, receiving results of processing the Ethernet packet from the priority allocation unit and the QoS guarantee unit, and storing the received results.
摘要:
Disclosed is a process of preparing aromatic hydrocarbons and liquefied petroleum gas (LPG) from a hydrocarbon mixture, in which a non-aromatic compound in the hydrocarbon feedstock mixture is converted into a gaseous material having a large amount of LPG through hydrocracking, and an aromatic compound therein is converted into an oil component having large amounts of benzene, toluene, and xylene (BTX) through dealkylation and transalkylation, in the presence of a catalyst obtained by supporting platinum/bismuth onto a mixture support having zeolite and an inorganic binder. The gaseous product is separated into LPG and a mixture of methane and ethane depending on differences in boiling point through distillation, while the liquid product is separated into benzene, toluene, xylene, and C9+ aromatic compounds depending on differences in boiling point through distillation.
摘要:
Provided are a chip, a chip stack, and a method of manufacturing the same. A plurality of chips which each include: at least one pad formed on a wafer; and a metal layer which protrudes up to a predetermined thickness from the bottom of the wafer and is formed in a via hole exposing the bottom of the pad are stacked such that the pad and the metal layer of adjacent chips are bonded. This leads to a simplified manufacturing process, high chip performance and a small footprint for a chip stack.
摘要:
Systems and methods for presenting image data to a terminal are disclosed, the system including a memory configured to store tolerance cycle information associated with the realization time of an image data, a processor configured to determine a realization processing cycle of a first image data transmitted to the terminal, and a controller configured to control a realization processing cycle of a second image data transmitted to the terminal after the first image data, based at least in part on the outcome of comparing the realization processing cycle of the first image data with the tolerance cycle.
摘要:
A process for increasing the production of benzene from a hydrocarbon mixture. A process for producing an aromatic hydrocarbon mixture and liquefied petroleum gas (LPG) from a hydrocarbon mixture, and a solvent extraction process for separating and recovering polar hydrocarbons from a hydrocarbon mixture containing polar hydrocarbons (that is, aromatic hydrocarbons) and nonpolar hydrocarbons (that is, non-aromatic hydrocarbons) are integrated, thereby it is possible to increase the production of benzene.
摘要:
The invention relates to a high-dielectric constant metal/ceramic/polymer composite material and a method for producing an embedded capacitor. As ceramic particles having a relatively small size are bound to the surface of metal particles having a relatively large size by mixing, the occurrence of percolation can be prevented without coating the metal particles, and at the same time, the capacitance of an embedded capacitor can be increased. In addition, a process for coating the surface of the metal particles can be omitted, thus contributing to the simplification of the overall preparation procedure.
摘要:
Disclosed is a ball grid array substrate having a window formed on a core material instead of a thin core material, and wherein a semiconductor chip is mounted thereon, thereby reducing the thickness of a package, and a method of fabricating the same. The ball grid array substrate comprises a first external layer which includes first circuit patterns, wire bonding pad patterns, and a window corresponding in size to a first chip mounted therein and wherein the chip is wire-bonded to the wire bonding pad patterns. A second external layer includes second circuit patterns, a portion corresponding in position to the window of the first external layer, and solder ball pad patterns. Second chips mounted on the solder ball pad patterns. An insulating layer interposed between the first and second external layers. The window is formed through the insulating layer at a position corresponding to the window of the first external layer.
摘要:
Provided is a multi-layer restoration method using a LCAS (Link Capacity Adjustment Scheme) in a synchronous network having a mesh structure. The method includes: performing a hardware restoration method if a network failure is detected; performing a pre-planned restoration method if the network failure is not repaired by performing the hardware restoration method; determining whether channels that pass along a line where the network failure occurs use the LCAS if the network failure is not repaired by performing the pre-planned restoration method; and applying the LCAS to the channels if the channels are determined to use the LCAS, and performing a dynamic restoration method if the channels are not determined to use the LCAS. The multiplayer restoration method minimizes data loss due to an increase in restoration time and overcomes service disconnection caused by failure to obtain a spare channel.
摘要:
Provided is an optical module including a microstrip line, a traveling wave type optical device positioned in the end of the microstrip line, and at least one balanced open stub connected to the microstrip line for the impedance matching at a specific frequency such as 40 GHz and 60 GHz. For the fine tuning, laser trimming can be applied to the stub. A transition region is formed between the optical device and the microstrip line. A termination resistor is formed to face the microstrip line with the optical device therebetween. A bandwidth can be controlled at a specific frequency by adjusting a number of the stubs or a value of the termination resistor.