Abstract: A hydraulic pressure supply system of an automatic transmission for a vehicle is provided. The system divides a hydraulic pressure generated from first and second pump chambers of a hydraulic pump into a high-pressure and low-pressure part. The system includes first and second input lines that guide oil of an oil pan to the first and second pump chambers. First and second discharge lines discharge the hydraulic pressure generated from the first and second pump chambers. A high-pressure switch valve selectively supplies or recycles the hydraulic pressure supplied from the first discharge line to the high-pressure hydraulic path into the high-pressure part. A pressure accumulator is disposed on a high-pressure hydraulic path between the high-pressure switch valve and the high-pressure part and a low-pressure switch valve selectively supplies or recycles the hydraulic pressure supplied from the second discharge line to the low pressure hydraulic path into the low-pressure part.

Abstract: Disclosed is a method for manufacturing gas cylinders. The disclosed method for manufacturing gas cylinders comprises: a) a step of producing a liner using a liner blower machine; b) a step of applying an adhesive to the threads of the produced liner; c) a step of coupling a bushing to the threads of the liner; d) a step of leaving the liner having undergone step c) for 30 minutes to 2 hours at room temperature so as to naturally harden the adhesive; e) a liner-flaming step of heat-treating the outer surface of the liner with plasma; f) a step of coupling a shaft to the liner; g) a winding step of mixing multiple fiberglass strands with a resin and a hardening agent, and wrapping the mixture around the outer surface of the liner; h) a dry-hardening step of drying the cylinder made of the composite material and having undergone the winding step for 70 to 90 minutes at a temperature of 70° C. to 90° C.

Abstract: An LNG fueling station according to the present invention includes: an installation part on which an LNG tank container is installed, and a supply part for supplying liquefied natural gas from the LNG tank container installed on the installation part to an object for supply, wherein the LNG tank container can be transported and installed while storing the liquefied natural gas, and the LNG tank container is transported to the installation part and then installed on the installation part.

Abstract: A natural gas supply station according to the present invention includes an installation structure on which an LNG tank container is installed and a gas vaporizer that receives a liquefied natural gas from the LNG tank container to vaporize the liquefied natural gas. Here, the installation structure includes a moving part reciprocatively moving in a direction in which the LNG tank container is unloaded from a transport unit, and the moving part is separably fixed to the LNG tank container to move the LNG tank container loaded on the transport unit to the installation structure or the LNG tank container loaded on the installation structure to the transport unit.

Abstract: A hydraulic pressure supply system of an automatic transmission for a vehicle is disclosed. The hydraulic pressure supply system is adapted to supply surplus hydraulic pressure recircluated from a high pressure portion and a shift control portion to a low pressure portion by connecting lines of the high pressure portion and the shift control portion to the low pressure portion.

Abstract: Disclosed is a method for manufacturing gas cylinders. The disclosed method for manufacturing gas cylinders comprises: a) a step of producing a liner using a liner blower machine; b) a step of applying an adhesive to the threads of the produced liner; c) a step of coupling a bushing to the threads of the liner; d) a step of leaving the liner having undergone step c) for 30 minutes to 2 hours at room temperature so as to naturally harden the adhesive; e) a liner-flaming step of heat-treating the outer surface of the liner with plasma; f) a step of coupling a shaft to the liner; g) a winding step of mixing multiple fiberglass strands with a resin and a hardening agent, and wrapping the mixture around the outer surface of the liner; h) a dry-hardening step of drying the cylinder made of the composite material and having undergone the winding step for 70 to 90 minutes at a temperature of 70° C. to 90° C.

Abstract: A hydraulic pressure supply system of an automatic transmission for a vehicle is disclosed. The hydraulic pressure supply system is adapted to supply surplus hydraulic pressure recircluated from a high pressure portion and a shift control portion to a low pressure portion by connecting lines of the high pressure portion and the shift control portion to the low pressure portion.

Abstract: A plasma display device is disclosed. The device includes a plasma display panel including an address electrode, first and second display electrodes crossing the address electrode, a dielectric layer covering the display electrodes, and an MgO protective layer covering the dielectric layer. The device also includes a driver configured to generate a sustain pulse width of 1 to 3.5 ?s, and a statistical delay time (Ts) depending on temperature is represented by the following Formula 1: y=A×e?kx??(Formula 1), wherein k is a constant, x is 1/temperature, y is 1/Ts, and A is a constant. The MgO protective layer may be formed by MgO deposition in which water vapor partial pressure is in a range of from 2×10?7 to 6×10?7 Torr·l/s. The temperature dependency of the discharge characteristics is reduced, response speed is improved, and the discharge stability is improved.

Abstract: The present invention relates to a ventilation system. According to a ventilation system of an embodiment of the present invention, it is possible to supply constant air flow to each floor or home, regardless of changes in environment outside a building, by connecting a ventilator to a center duct that sucks external air and supplies it to each floor or home, or sucks internal air of each floor of home and discharges it to the outside the building.

Abstract: A multi-unit fuel cell system that includes a common-use reforming unit configured to supply hydrogen to multiple fuel cell units that are installed in multiple units, such as apartments within an apartment building. In one example embodiment, a fuel cell system including a common-use reforming unit and multiple fuel cell units is disclosed. The common-use reforming unit is configured to supply hydrogen to the plurality of fuel cell units. Each fuel cell unit includes a stack unit, an air supplying unit, an integral heat exchange unit, a hot-water supplying unit, an auxiliary heat supplying unit, and an electric output unit.

Abstract: A plasma display panel having a uniformly distributed firing voltage despite of irregular discharge gaps, the plasma display panel including a first substrate, a second substrate facing the first substrate, barrier ribs between the first and second substrates to define discharge cells, address electrodes corresponding to the discharge cells and extending in a first direction, first and second electrodes respectively extending in a second direction crossing the first direction and formed on any one of the first and second substrates, corresponding to the discharge cells, and a dielectric layer covering the first and second electrodes, where the first and second electrodes are spaced apart from each other to form a discharge gap having distances, the dielectric layer having varied permittivities according to distances of the discharge gaps to improve discharge uniformity according to the distances of the discharge gaps.

Abstract: A plasma display device includes: a plasma display panel including an address electrode disposed on a first substrate, a pair of first and second display electrodes disposed on a second substrate and crossing the address electrode, a dielectric layer covering the first and second display electrodes on the second substrate, an MgO protective layer covering the dielectric layer on the second substrate, and discharge gases filled between the first and second substrates; a driver that drives the plasma display panel; and a controller that controls a sustain pulse width of a sustain period to be 1 to 3.5 ?s. The MgO protective layer includes 100 to 300 ppm of Ca, 100 to 250 ppm of Al, 10 to 50 ppm of Fe, and 70 to 170 ppm of Si based on MgO. The plasma display device shows improved discharge stability and display quality due to reduced discharge delay time (Ts).

Abstract: Provided are a plasma display panel (PDP) and a driving method thereof. The PDP includes a first substrate and a second substrate disposed in parallel and spaced apart from one another. Address electrodes are provided on the first substrate with a first dielectric layer over the address electrodes and the first substrate. Barrier ribs are provided on the dielectric forming a plurality of discharge spaces in which phosphor layers are provided. Sustain electrodes are formed on the second substrate facing the first substrate and are arranged crossing the address electrodes. A second dielectric layer is formed over the address electrodes and on the second substrate, and a protective layer including MgO of at least 99.6% purity by weight is formed over the second dielectric layer by a sintering process.

Abstract: A plasma display panel (PDP) according to one embodiment includes: a first substrate and a second substrate that are disposed substantially in parallel with each other with a predetermined distance therebetween; a plurality of address electrodes disposed on the first substrate; a first dielectric layer disposed on an entire surface of the first substrate while covering the address electrodes; a plurality of barrier ribs having a predetermined height from the first dielectric layer and disposed in a space between the first substrate and the second substrate to partition the space into discharge spaces of a predetermined size; a phosphor layer disposed in the discharge spaces; a plurality of display electrodes disposed on one side of the second substrate facing the first substrate in a direction crossing the address electrodes; a second dielectric layer disposed on an entire surface of the second substrate to cover the display electrodes; and a protective layer disposed to cover the second dielectric layer.

Abstract: A key storage casing having a key recognition function is disclosed, which includes an insertion unit having a certain specific impedance value for receiving a key therein, at least two key insertion arrangement units, an impedance recognition unit for recognizing whether the key inserted into the key insertion arrangement unit is a corresponding key with the help of an impedance value, and a display unit which displays a key return/discharge/storage information. So, it is possible to reliably store and check the state of a discharge/return/storage of a corresponding key. A data communication unit is provided for transmitting a data concerning a discharge/return/storage to an external terminal for thereby reliably managing a data concerning a discharge/return/storage of a key.

Abstract: Disclosed are a composition and a method for inducing the de-differentiation of astrocytes into neural stem cells using Nanog. The de-differentiated neural stem cells have the ability to differentiate into astrocytes, neurons, or oligodendrocytes.

Abstract: Disclosed are a composition and a method for inducing the de-differentiation of astrocytes into neural stem cells using Shh. The de-differentiated neural stem cells have the ability to differentiate into astrocytes, neurons, and oligodendrocytes.

Abstract: A plasma display panel comprising first and second substrates positioned substantially parallel to each other, facing each other and separated from each other by a predetermined distance is disclosed. A plurality of address electrodes are formed on the first substrate. A first dielectric layer covers the plurality of address electrodes on the first substrate. A plurality of barrier ribs having predetermined heights are mounted on the first dielectric layer, creating discharge spaces between the first and second substrates. Phosphor layers are formed within the discharge spaces. A plurality of discharge sustain electrodes are formed on the surface of the second substrate facing the first substrate and are positioned perpendicular to the address electrodes on the first substrate. A second dielectric layer is formed on the second substrate covering the discharge sustain electrodes. A protection layer comprising MgO and Ca, Al, Fe and Si dopants covers the second dielectric layer.

Abstract: A plasma display panel comprising first and second substrates positioned substantially parallel to each other, facing each other and separated from each other by a predetermined distance is disclosed. A plurality of address electrodes are formed on the first substrate. A first dielectric layer covers the address electrodes on the first substrate. A plurality of barrier ribs having predetermined heights are mounted on the first dielectric layer, creating discharge spaces between the first and second substrates. Phosphor layers are formed within the discharge spaces. A plurality of discharge sustain electrodes are formed on the second substrate and are positioned perpendicular to the address electrodes on the first substrate. A second dielectric layer is formed on the second substrate covering the discharge sustain electrodes. A MgO protection layer having a surface roughness (Rms) ranging from about 60 to about 250 ? covers the second dielectric layer.

Abstract: A plasma display device includes a plasma display panel including an address electrode disposed on a first substrate, a pair of first and second display electrodes disposed on a second substrate and crossing the address electrode, a dielectric layer covering the first and second display electrodes on the second substrate, an MgO protective layer covering the dielectric layer on the second substrate, and discharge gases filled between the first and second substrates; a driver that drives the plasma display panel; and a controller that controls the driver so that a sustain pulse width of a sustain period is 1 to 3.5 ?s, wherein a statistical delay time (Ts) depending on temperature is represented by the following Formula 1.