Abstract: A safe landing point search device for searching for a safe landing point of an unmanned exploration device that lands on and explores a celestial body, includes a terrain map obtaining unit configured to obtain a terrain map, a contour line generating unit configured to generate contour lines based on a reference minimum height value and a height interval value by using the terrain map, a largest empty circle (LEC) searching unit configured to search for one or more LECs having a radius greater than or equal to a lower-limit radius in a contour line map including the contour lines, and a safe landing point outputting unit configured to output a safe landing point having a largest radius among the one or more LECs and transmit the safe landing point to the unmanned exploration device.

Abstract: A method of producing hydrocarbon mixtures rich in aromatics from naphtha feedstock (100 or 100a) comprising the steps of feeding naphtha feedstock (100 or 100a) and liquified petroleum gases (101a and 101b) into reactor effluent/feed heat exchanger (200 or 300) to yield mixture (102 or 102a), channeling the mixture (102 or 102a) into at least one and at most three reactors via integrated heaters to produce hydrocarbon mixtures rich in aromatics, channeling effluent into reactor effluent/feed heat exchanger (200 or 300) before it is transferred to cooling tank (203), cooling the effluent in cooling tank (203), introducing cooled effluent (107) into first stage separator (204) to obtain light gases, transferring remaining liquid into second stage separator (206) and separating remaining liquid to yield LPG (101b) and directing effluent into stabilizer (207) to separate off gas, LPG (101c) and reformate, wherein the reformate is the hydrocarbon mixtures rich in aromatics.

Abstract: A heat exchanger includes a main body portion and a cover. The main body portion includes a heat exchange core, a collecting pipe portion and a first mounting shell. The collecting pipe portion includes a first collecting pipe portion and a second collecting pipe portion. Both the first collecting pipe portion and the second collecting pipe portion are provided with mounting end plates. Two ends of the first mounting shell are hermetically connected to the mounting end plates by brazing. The first mounting shell encloses part of the heat exchange core in a circumferential direction. Two ends of the cover are hermetically connected to the mounting end plates by bonding. The cover and the first mounting shell are arranged in an enclosing manner in the circumferential direction. The heat exchanger improves stability and reliability. A manufacture method of the heat exchanger is also disclosed.

Abstract: This invention relates to a lint free absorbent wound dressing, comprising a plasticized blend of a natural biopolymer and poly vinyl alcohol mixed in an acidic solvent which is neutralized and crosslinked using green crosslinking buffer system, finding application in exudating and bleeding wounds.

Abstract: This disclosure relates to a plasma generator including a porous ceramic dielectric. More specifically, this disclosure relates to a plasma generator for air purification capable of effectively generating ozone for removing bacteria, viruses, etc., and minimizing pressure loss while increasing air purification capacity by including a porous ceramic dielectric coated with an antibacterial material.

Abstract: Disclosed herein are a dynamic memory management apparatus and a method for allocating/deallocating dynamic memory. The apparatus includes actual memory configured to allocate or deallocate a heap, virtual memory configured to set/store heap allocation information at a virtual address mapped to an actual address that is a body start address of a heap area of the actual memory, and a dynamic memory manager configured to process a memory allocation or deallocation request and the virtual memory, wherein the heap allocation information includes access authority information for storing information indicating whether a heap at an actual address is allocated or deallocated, and count information increased whenever a heap is allocated, and the dynamic memory manager is configured to return an address pointer including an actual address of a heap allocated to the actual memory and heap allocation information to the program, and process a heap deallocation or reallocation request.

Abstract: A method for decoding a 360-degree image includes: receiving a bitstream obtained by encoding a 360-degree image; generating a prediction image by making reference to syntax information obtained from the received bitstream; combining the generated prediction image with a residual image obtained by dequantizing and inverse-transforming the bitstream, so as to obtain a decoded image; and reconstructing the decoded image into a 360-degree image according to a projection format. Here, generating the prediction image includes: checking, from the syntax information, prediction mode accuracy for a current block to be decoded; determining whether the checked prediction mode accuracy corresponds to most probable mode (MPM) information obtained from the syntax information; and when the checked prediction mode accuracy does not correspond to the MPM information, reconfiguring the MPM information according to the prediction mode accuracy for the current block.

Abstract: An apparatus for constructing kinematic information of a robot manipulator is provided. The apparatus includes: a robot image acquisition part for acquiring a robot image containing shape information and coordinate information of the robot manipulator; a feature detection part for detecting the type of each of a plurality of joints of the robot manipulator and the three-dimensional coordinates of the joint using a feature detection model generated through deep learning based on the robot image containing shape information and coordinate information; and a variable derivation part for deriving Denavit-Hartenberg (DH) parameters based on the type of each of the plurality of joints of the robot manipulator and the three-dimensional coordinates of the joint.

Abstract: A method for indicating occlusion information at an ego agent includes observing a spatial area from a first viewpoint of one or more first sensors associated with the ego agent. The method also includes identifying the spatial area as an occluded area in accordance with observing the spatial area from a second viewpoint of the one or more first sensors after observing the spatial area from the first viewpoint. The method further includes receiving, from a target agent, a message indicating the spatial area is occluded from one or more second sensors associated with the target agent. The method still further includes transmitting, to the target agent in accordance with receiving the message, the occlusion information indicating information associated the spatial area based on identifying the spatial area as the occluded area.

Abstract: There is provided a query execution method in a DB system in which a plurality of CSDs are used as a storage. According to an embodiment, a query execution method includes: generating snippets for offloading a part of query computations for a query received from a client to CSDs; scheduling the generated snippets for the CSDs; collecting results of offloading; and merging the collected results of offloading. Accordingly, by dividing query computations, offloading, and processing in parallel, while processing query computations that are inappropriate for offloading by a DBMS, a query request from a client can be executed effectively and rapidly.

Abstract: Disclosed are an apparatus for managing quantum keys and a method of operating the same to rapidly and flexibly provide quantum keys for network services by effectively and efficiently distributing quantum keys in a quantum-secured network.

Abstract: The present invention discloses a nanobody targeting IL-6R? protein and uses thereof, wherein the heavy chain variable region of the nanobody comprises three complementary determining regions, CDR1, CDR2, and CDR3, wherein CDR1 has an amino acid sequence as shown in SEQ ID NO. 2, CDR2 has an amino acid sequence as shown in SEQ ID NO. 3, and CDR3 has an amino acid sequence as shown in SEQ ID NO. 4. With high affinity to IL-6R? protein and high stability and water solubility, the nanobody can be used in the development of pharmaceutical compositions for the treatment of IL-6-mediated related diseases or conditions, as well as in the development of reagents or kits for the detection of IL-6R?, which can provide potentially highly effective antibodies for the study of IL-6-mediated related diseases, and provide new therapeutic strategies and targets for autoimmune diseases or tumors.

Abstract: An operation method of a repeater performing relaying between a base station and a first terminal in a communication system may comprise: receiving one or more signals from at least one of the base station and the first terminal; performing monitoring on the one or more signals in a time interval for which a transmission direction is not determined by the base station; and determining the transmission direction of the time interval based on a result of the monitoring, wherein the one or more signals include at least one of a first signal received from the base station or a second signal received from the first terminal.

Abstract: A photothermal converter using a wavelength selective perfect absorber made of a low-loss metal material or dielectric and a heat detection sensor are combined to develop a sensor that efficiently converts light of a specific wavelength into heat and further electrically detects the heat. Here, since the wavelength selective perfect absorber of the present invention has a periodic structure, it has high directivity, and can also be used as a small motion sensor or a watching sensor using detection of thermal radiation. In addition, it can also be used as a high-precision small position sensor by being combined with a laser light source matching the resonance wavelength of the sensor.

Abstract: A recirculating aquaculture system using a biofloc fermenter and aquaponics may include a breeding water tank that breeds farmed fish, a drum filter that filters breeding water drained from the recirculating aquaculture system; an automatic filtration system in which the breeding water of the drum filter is moved and purified; a biofloc fermentation system that supplies and mixes oxygen to backwash water of the automatic filtration system; and a plant cultivation system that cultivates plant with the breeding water mixed with stable and high-concentration oxygen moved from the biofloc fermentation system.

Abstract: The present invention relates to a method of preparing a black phosphorus nanosheet and application, belonging to the technical field of functional material production. In the method, the black phosphorus sheet is used as the electrolytic anode, and an electrochemical reaction system is constructed together with an inert electrode and an alkaline aqueous electrolyte, wherein the alkaline aqueous electrolyte comprises an N-N dimethylformamide solution dissolved with epoxy resin. In alkaline aqueous electrolyte, the prepared black phosphorus nanosheet structure tends to be more stable, not easy to be damaged and the oxidation degree is reduced. Under alkaline conditions, it is conducive to improve the intercalation and stripping effect of black phosphorus material of anode and make the black phosphorus exfoliation more complete.

Abstract: A reaction system for preparing soda ash and a reaction method are provided in the present invention. The reaction system includes: a carbonization tower, a reaction crystallization tower, and a first micro-interface unit. A material outlet is arranged at the bottom of the carbonization tower, and the material outlet is connected to the reaction crystallization tower. The first micro-interface unit includes a first micro-interface generator and a second micro-interface generator, the first micro-interface generator is arranged below the liquid level in the carbonization tower, the second micro-interface generator is arranged above the first micro-interface generator, and a connecting pipe is arranged between the second micro-interface generator and the first micro-interface generator.

Abstract: The present disclosure relates to a copper-phosphorus-zinc-tin brazing sheet and a preparation method and use thereof. The copper-phosphorus-zinc-tin brazing sheet includes a copper core layer, CuP alloy layers respectively arranged on two sides of the copper core layer, and at least two SnZn alloy layers respectively arranged on the other sides of the two CuP alloy layers away from the copper core layer.

Abstract: An electro-optic modulation structure 110, a method for fabrication of the electro-optic modulation structure, and a method of optical modulation derived from an electro-optic modulation structure with low voltage of operation are disclosed. The low voltage operation of the electro-optic modulator is realized by designed electro-optic modulation structures that include the light confining waveguide 114, overclad layer 120 and modulating electrode structure 116 for applying modulation voltages that are directed towards a low voltage operation of the electro-optic modulation 110 device upon consideration of optimal optical loss.

Abstract: A new and distinct apple variety is described. The variety results from crossing the apple varieties ‘A121R18T089’ (not patented) and Gala ‘Baigent’ (U.S. Plant Pat. No. 4,121) in Havelock North, New Zealand. The fruit of the apple tree of this new variety have an appearance characterized by its dark red colour and creamy white background and it early harvest compared to other selections. This new variety has been named ‘HOT81A1’.