Abstract: A free motion headform (FMH) impact performance prediction device using artificial intelligence includes a data processing processor configured to generate an image by extracting a pre-processed test target image, generated by pre-processing test target design data, using a pre-trained model and generate a pre-processed test target distance value by pre-processing the test target design data. The FMH input performance prediction device also includes a machine learning processor configured to concatenate the image generated by extraction on the basis of the pre-trained model and the pre-processed test target distance value and to predict impact performance using a neural network in which parameters are updated by learning based on an image obtained by pre-processing existing design data and existing impact amount data corresponding to the existing design data. The FMH input performance prediction device further includes an output processor configured to output a value learned by the machine learning processor.

Abstract: A method for verifying a drone included in an industrial Internet of Things (IIoT) system, using a petri-net modeling is disclosed. In an embodiment, the method includes a step of modeling the IIoT system as a hierarchical petri-net (modeling step); and a step of verifying whether the drone has security vulnerability on the basis of the hierarchical petri-net model (verification step), wherein the verification step can determine that a drone has security vulnerability when at least one of a plurality of determination factors provided as places to the hierarchical petri-net model determines that the drone is operating abnormally.

Abstract: A device for producing nanoparticles includes: a first connector comprising a first supply tube fitting member, a second supply tube fitting member, and a first discharge tube fitting member; a first tube having one side connected to the first supply tube fitting member; a second tube having one side connected to the second supply tube fitting member; a first conduit having one side connected to the first discharge tube fitting member; a first supply connected to another side of the first tube to supply a first material to the first conduit; and a second supply connected to another side of the second tube to supply a second material to the first conduit.

Abstract: An apparatus for crash performance prediction of a vehicle includes: a data processor configured to generate a test target overlap image by pre-processing test target design data; and an output device configured to output at least one of a predicted impact value and a predicted impact rating value for an input of the test target overlap image based on a crash performance prediction model by machine learning the existing overlap image of pre-processed existing design data and the existing impulse data corresponding to the existing design data.

Abstract: Provided is a method of evaluating a project, which is performed by a server. The method may include determining team members who are to perform a project, receiving project activity contents generated by at least one of the team members and transmitting the project activity contents to a node on a blockchain. The project activity contents may include an execution completion report on at least one of tasks configuring the project, execution results of the project, evaluation of the results by the team members, and feedback for the evaluation.

Abstract: The present invention discloses a privacy masking method using format-preserving encryption in an image security system, and a recording medium for performing the method. In a privacy masking method using format-preserving encryption in an image security system according to an aspect of the present invention, an image corresponding to a privacy region is encrypted using format-preserving encryption, so that it is possible to prevent waste of additional storage space required for encryption and to solve a problem of exposure of personal information.

Abstract: The present invention relates to a CPT-bound compound or a pharmaceutically acceptable salt thereof, the CPT-bound compound being obtained by binding CPT (or a CPT derivative) and guanidine to a reduced monosaccharide. The CPT-bound compound enhances solubility and cell permeability of the CPT drug, which makes it possible to effectively deliver CPT to target cells. Therefore, a pharmaceutical composition comprising, as an active ingredient, the CPT-bound compound or a pharmaceutically acceptable salt thereof is expected to be able to effectively treat cancer, in particular, colorectal cancer, even with a low dose of CPT.

Abstract: The present invention pertains to a method for producing a long-fiber composite in which a fiber bundle is impregnated with a non-Newtonian resin. More specifically, the present invention pertains to a method for producing a thermoplastic long-fiber composite, wherein the efficiency of a non-Newtonian resin impregnation process is improved using Equation 1 representing the correlation between the penetration pressure, effective viscosity, transverse permeability, and average penetration velocity of the non-Newtonian resin, and the thickness of the fiber bundle.

Abstract: A device for producing nanoparticles includes: a first connector comprising a first supply tube fitting member, a second supply tube fitting member, and a first discharge tube fitting member; a first tube having one side connected to the first supply tube fitting member; a second tube having one side connected to the second supply tube fitting member; a first conduit having one side connected to the first discharge tube fitting member; a first supply connected to another side of the first tube to supply a first material to the first conduit; and a second supply connected to another side of the second tube to supply a second material to the first conduit.

Abstract: An apparatus for predicting an injury level of a user of a vehicle may include: a communication circuit configured to communicate with an external device; a memory configured to store a genetic algorithm and a machine learning model; and a processor electrically connected with the communication circuit and the memory. The processor may be configured to: obtain, via the communication circuit, traffic accident data associated with a traffic accident; select input data, which includes at least a part of the traffic accident data, for training of the machine learning model, the input data selected using the genetic algorithm; train the machine learning model using the input data; and predict an injury level of the user of the vehicle using the trained machine learning model when the training of the machine learning model is completed.

Abstract: The present invention relates to a Doherty combiner used in a Doherty power amplifier, the Doherty combiner comprising: a phase shift section connected to one end of a carrier amplifier so as to change a phase of an RF signal output from the carrier amplifier; a matching section connected to an output terminal of the Doherty power amplifier so as to impedance-match an output of the Doherty power amplifier; and a bandwidth improvement section connected to one end of a peaking amplifier so as to change at least one of a phase bandwidth and an amplitude bandwidth of the Doherty power amplifier.

Abstract: The present invention provides a method for preparing an injectable thermosensitive chitosan/TEMPO-oxidized cellulose nanofibers hydrogel. The injectable thermosensitive chitosan/TEMPO-oxidized cellulose nanofibers hydrogel exhibits superior biocompatibility through addition of TEMPO-oxidized cellulose nanofibers, and excellent cell proliferation and bone regeneration through cellular interaction, and is gelled in vivo, thus being highly useful as a filler for wound healing and bone regeneration. In addition, the injectable thermosensitive chitosan/TEMPO-oxidized cellulose nanofibers hydrogel exhibits excellent porosity, has an interconnected structure and is thermogelling, based on thermosensitivity of undergoing a sol-gel transition depending on temperature, thus inducing rapid gelation in vivo and facilitating bone regeneration upon implantation in vivo.

Abstract: A method for verifying a drone included in an industrial Internet of Things (IIoT) system, using a petri-net modeling is disclosed. In an embodiment, the method includes a step of modeling the IIoT system as a hierarchical petri-net (modeling step); and a step of verifying whether the drone has security vulnerability on the basis of the hierarchical petri-net model (verification step), wherein the verification step can determine that a drone has security vulnerability when at least one of a plurality of determination factors provided as places to the hierarchical petri-net model determines that the drone is operating abnormally.

Abstract: The present disclosure discloses a disc prosthesis for cervical vertebra having elasticity similar to that of bone tissue, and includes: a first support frame having a square shape; a second support frame formed to face the first support frame and spaced apart at a distance; and a mesh member integrally installed between the first support frame and the second support frame, wherein a first flange for supporting a fixing bolt is integrally formed on one side of the first support frame, and a second flange for supporting a fixing bolt is integrally formed on one side of the second support frame.

Abstract: Disclosed are a miserite crystallized glass for an artificial tooth and a method for coloring same, the method enabling a production of a uniform shade without degrading the physical properties of a crystallized glass by means of simply adding a small amount of coloring additive powder when preparing the crystallized glass. A miserite crystallized glass for an artificial tooth according to the present invention is colored with any one of the shades in groups A, B, C and D of the Vita shade guide which is a tooth shade reference. The miserite crystallized glass has a miserite crystal phase as the main phase and comprises a hydroxyapatite crystal phase and a xonotlite crystal phase as additional phases.

Abstract: Disclosed are a wollastonite crystallized glass for an artificial tooth and a method for coloring same, the method enabling a production of a uniform shade without degrading the physical properties of a crystallized glass by means of simply adding a small amount of coloring additive powder when preparing the crystallized glass.

Abstract: The present invention provides a method for preparing an injectable thermosensitive hydrogel for preventing adhesion including mixing methyl cellulose, polyethylene glycol, oxidized cellulose nanofibers and carboxymethyl cellulose. The injectable thermosensitive hydrogel for preventing adhesion is a sol at a low temperature and induces rapid gelation upon in vivo implantation due to thermosensitivity. In addition, the hydrogel can be rapidly changed into physical hydrogel without separate additives or chemical reaction during in vivo condition. In addition, the injectable thermosensitive hydrogel for preventing adhesion exhibits excellent biodegradability and biocompatibility, has no cytotoxicity, inhibits in vitro migration of rat bone marrow mesenchymal stem cells (rBMSCs), and exhibits anti-adhesion efficacy in a rat model of sidewall defect-cecum abrasion in vivo, thus being useful as an effective anti-adhesive agent.

Abstract: The present invention relates to a method for preparing a dual-layer magnesium alloy with fluoride and biopolymer coatings, wherein the dual-layer MgF2/PCL coating exhibits improved corrosion resistance as compared to fluoride-coated samples or uncoated Mg samples, and has excellent cell viability, cell adhesion and cell proliferation. Accordingly, the magnesium alloy provided with the dual MgF2/PCL coating layer controls corrosion degradation of conventional orthopedic Mg alloys and exhibits excellent biocompatibility, thus being useful as an implant for fixing bones.

Abstract: The present invention discloses a privacy masking method using format-preserving encryption in an image security system, and a recording medium for performing the method. In a privacy masking method using format-preserving encryption in an image security system according to an aspect of the present invention, an image corresponding to a privacy region is encrypted using format-preserving encryption, so that it is possible to prevent waste of additional storage space required for encryption and to solve a problem of exposure of personal information.

Abstract: The present invention relates to a CPT-bound compound or a pharmaceutically acceptable salt thereof, the CPT-bound compound being obtained by binding CPT (or a CPT derivative) and guanidine to a reduced monosaccharide. The CPT-bound compound enhances solubility and cell permeability of the CPT drug, which makes it possible to effectively deliver CPT to target cells. Therefore, a pharmaceutical composition comprising, as an active ingredient, the CPT-bound compound or a pharmaceutically acceptable salt thereof is expected to be able to effectively treat cancer, in particular, colorectal cancer, even with a low dose of CPT.