摘要:
A system and method for managing a vehicle Ethernet communication network are disclosed. More specifically, each unit in a vehicle Ethernet communication network is configured to initially enter a power-on (PowerOn) mode when is applied to each unit of the vehicle to initialize operational programs. Once powered on, each unit enters a normal mode in which a node for each unit participates in a network to request the network. Subsequently, each unit enters a sleep indication (SleepInd) mode where other nodes are not requested even though the network has already been requested by the other nodes. A communication mode is then terminated at each unit and each unit enters a wait bus sleep (WaitBusSleep) mode in which all nodes connected to the network are no longer in communication and are waiting to switch to sleep mode. Finally, each unit is powered off to prevent communication between units in the network.
摘要:
The present invention relates to substances which can be applied to the technical fields of gas storages, polymerization catalysts and optical isomers, their intermediates, and processes for preparing the same, which is characterized in that 1) possible disintegration of structure of the scaffold material (SM) is impeded, and 2) they are prepared by a simple manufacturing system as compared to the substances conventionally suggested in the application field. Specifically, it relates to scaffold material-transition metal hydride complexes comprised of scaffold material (SM) and transition metal hydride (M1H(n-1)) which is chemically bonded to the functional groups formed on the scaffold material, SM-transition metal halide complex and SM-transition metal ligand complex as the precursors, and a process for preparing the same. The SM-transition metal hydride complex according to the present invention is a substance for hydrogen storage which adsorbs hydrogen via Kubas adsorption. The complex according to the invention can store high capacity of hydrogen with safety and reversibility, while disintegration of its structure does not occur even with repeated adsorption-desorption of hydrogen.
摘要:
Disclosed is a heat-resistant aluminum alloy including aluminum and two types of alloy elements which are combined while forming a homogeneous solid solution reinforcing phase. The disclosed heat-resistant aluminum alloy includes the alloy elements that form a homogeneous solid solution and do not have a solvus line with respect to aluminum as a matrix metal and, therefore, the formed homogeneous solid solution reinforcing phase does not react with aluminum even at a temperature up to 300° C., thus not becoming coarse or undergoing phase decomposition. Consequently, the disclosed aluminum alloy may have remarkably enhanced heat resistance.
摘要:
The present invention relates to a method of producing electroconductive electroless plating powder having excellent dispersibility and adherence, and, more particularly, to a method of producing electroconductive electroless plating powder having excellent dispersibility and adherence, using an electroless plating method of forming a metal plating layer on the surface of a base material made of resin powder in an electroless plating solution, wherein an ultrasonic treatment is performed at the time of forming the plating layer. The present invention has advantages in that an aggregation phenomenon, which is generated when the base material made of the resin powder is plated using an electroless plating method, does not occur and a plating reaction can be performed at low temperature, so that it is possible to obtain a compact plating layer and plating powder having improved uniformity and adherence with respect to resin powder. Further, the present invention, unlike the conventional technique, has advantages in that post-treatment processes are not performed and a plating reaction is performed at low temperature, so that the process operating cost is reduced and the processes are made simple.
摘要:
Disclosed herein is a growth plate stimulation-type portable growth promotion apparatus including two-phase ultrasonic vibration generators and Light Emitting Diode (LED) devices. The ring-shaped two-phase ultrasonic vibration generators have a center hole. Each of the LED devices is provided in the center hole of the each two-phase ultrasonic vibration generator. The two-phase ultrasonic vibration generators includes a ring-shaped vibration stator configured to have a center hole; a first electrode layer provided under the vibration stator; a second electrode layer provided under the first electrode layer; and a piezoelectric ceramic group layer configured to include a first piezoelectric ceramic group for generating an A phase and a second piezoelectric ceramic group for generating a B phase. Growth plates are stimulated using two-phase ultrasound projected from the two-phase ultrasonic vibration generators and light projected from the LED devices.
摘要:
The present invention relates to an organic-transition metal complex which can safely and reversibly store hydrogen in a high capacity, and a process for preparing the same. In order to achieve the objects, the hydrogen storage material according to the invention comprises a complex generated by combination of an organic substance containing a hydroxyl (—OH) group(s) with a transition metal containing compound, which can more effectively store hydrogen with more than one transition metal being bonded per molecule. Examples of the organic substances containing hydroxyl (—OH) group(s) include alkyl derivatives such as ethylene glycol, trimethylene glycol and glycerol, and hydroxyl-containing aryl derivatives such as fluoroglucinol. As the transition metal, titanium (Ti), vanadium (V) and scandium (Sc), which can make Kubas binding, may be mentioned.
摘要:
The present invention relates to a more advanced preparation method of organic-transition metal hydride as a hydrogen storage material, precisely a more advanced preparation method of organic-transition metal hydride containing aryl or alkyl group that facilitates safe and reverse storage of massive amount of hydrogen. The present invention relates to a preparation method of an organic-transition metal hydride comprising the steps of preparing a complex reducing agent composition by reacting alkali metal, alkali earth metal or a mixture thereof and (C10-C20) aromatic compound in aprotic polar solvent and preparing organic-transition metal hydride by reacting the prepared complex reducing agent composition and organic transition metal halide. The method of the present invention has advantages of minimizing the numbers and the amounts of byproducts by using a complex reducing agent and producing organic-transition metal hydride safely without denaturation under more moderate reaction conditions.
摘要:
A heat tube inspection cable and a method of analyzing an insertion force of the cable are disclosed. The heat tube inspection cable includes a sensor unit configured to detect a defect in a heat tube, a plurality of segment units each configured to comprise a body part and a wheel part rotatably connected to the body part, a signal cable configured to helically pass through the body part of each of the plurality of segment units to transmit electric signal from the sensor unit, and a wire configured to pass through the body part of each of the plurality of segment units to keep the linear configuration of the plurality of segment units like a bead necklace and to provide axial and bending strength.
摘要:
An apparatus for charging a portable device battery with a vehicle battery is provided. The apparatus includes a storage, a voltage monitor for monitoring voltage of the vehicle battery, a portable device connector, and a charging controller. The storage stores a charging table in which charging quantity ratios of the portable device battery to voltage bandwidths of the vehicle battery are written. The charging controller controls the connector so that the portable battery is charged to a desired value of voltage that corresponds to the monitored voltage in the charging table. With this apparatus, it is possible to charge conveniently, among others.
摘要:
The present invention relates to an improved preparation method of an organic-transition metal hydride as a hydrogen storage material, especially an improved preparation method of an organic-transition metal hydride containing aryl or alkyl group that facilitates safe and reversible storage of a massive amount of hydrogen. The present invention also relates to a preparation method of an organic-transition metal hydride comprising the steps of: preparing a complex reducing agent composition by reacting alkali metal, alkali earth metal or a mixture thereof and a C10 to C20 aromatic compound in aprotic polar solvent; and preparing the organic-transition metal hydride by reacting the prepared complex reducing agent composition with an organic-transition metal halide in the absence of a hydrogen source. The method has the advantages of minimizing the number and amount of byproducts by using a complex reducing agent and producing an organic-transition metal hydride safely without denaturation under more moderate reaction conditions.