Abstract: A data synchronization system includes a database, a management device, and a synchronization device. The database includes user folders, and the management device includes an authentication module and a data storage module. The authentication module authenticates the identification of the user who uses a client terminal device to log in the authentication module and output an authentication signal based on the result of the identification. The data storage module receives the authentication signal and output an index signal based on the authentication signal. The client terminal device is configured to connect to a corresponding user folder based on the index signal, and the corresponding user folder is used as a major user folder. The synchronization device logs in one of the accounts of a commercial database and synchronizes the data of the account to the major user folder. Furthermore, a method for synchronizing data is also disclosed herein.

Abstract: Certain 2-halophenyl, 2,4-dihalophenyl (e.g. 2,4-dichlorophenyl), 3,4-dichlorophenyl (e.g. 3,4-dichlorophenyl), 2,6-dichlorophenyl (2,6-dichlorophenyl) and 2,5-diakoxyphenyl (e.g. 2,5-dimethoxyphenyl) derivatives of tetrahydro-?-carbolines are provided, along with their pharmaceutically acceptable salts; prodrugs and solvates, and compositions containing the compounds. The compounds are useful for the prevention and treatment of cancer, and other indications where PDE5 inhibitors have shown benefits including erectile dysfunction, pulmonary hypertension, enhancing cognitive function, cystic fibrosis, or enhancing the activity of conventional chemotherapeutic drugs. Methods for fabricating the compounds are also provided.

Abstract: The invention relates to a reaction system and process for continuously preparing polymethoxy dimethyl ether (DMM3-8) by a continuous acetalization reaction between an aqueous formaldehyde solution or paraformaldehyde and methanol in the presence of a functionalized acidic ionic liquid as a catalyst. The reaction system of the invention preferably comprises a formaldehyde-concentrating unit, a vacuum-drying unit, an acetalization reaction unit, a product-separating unit and a catalyst-regenerating unit. The process of the invention uses aqueous formaldehyde solution as an initial raw material, which is concentrated in the formaldehyde-concentrating unit to a concentrated formaldehyde of 50˜80 wt. %, and vacuum-dried to paraformaldehyde, or uses paraformaldehyde as raw material directly, then obtains DMM3-8 by an acetalization reaction.

Abstract: Various improvements to three dimensional imaging systems having inflatable membranes are disclosed. These improvements include, among other things, a proximity sensor that can be used to warn a user of the device when approaching a feature in a cavity, such as an eardrum in an ear canal; or optical sensors with an optical coating matching the refractive index of the medium in which the optical sensors are deployed, to improve data acquisition.

Abstract: A polyimide copolymer represented by formula (I) or formula (II) is provided. In formula (I) or formula (II), B is a cycloaliphatic group or aromatic group, A is an aromatic group, R is hydrogen or phenyl, and m and n are 20-50. The invention also provides a method for fabricating a patterned metal oxide layer.

Abstract: A film target for laser-induced particle acceleration includes a first target layer on which a laser is incident; an intermediate layer located behind the first target layer along a propagating direction of the laser, and in which an intended ion beam is generated; and a second target layer located opposite to the first target layer with the intermediate layer interposed therebetween.

Abstract: A photosensitive composition and a photoresist are provided. The photoresist is formed by compounding a photosensitive composition. The photosensitive composition includes a binder agent, a first photomonomer, and a photo initiator. The first photomonomer has at least a lactic oligomer and at least two unsaturated acrylic functional groups, wherein the first photomonomer has an amount of about 25-95 parts by weight relative to 100 parts by weight of a solid content of the binder agent. The photoinitiator has an amount of about 0.5-15 parts by weight relative to 100 parts by weight of the solid content of the binder agent.

Abstract: Provided is a waist belt for automatically measuring a waist circumference. The waist belt includes a belt part (10) and a buckle part (20). The belt part has a plurality of magnets (11) attached thereto at a predetermined interval. The buckle part includes two or more magnetic field sensors sensing the plurality of magnets attached to the belt part, an operation processor processing and analyzing signals obtained by the magnetic field sensors, and a display displaying a measurement result of a waist circumference obtained by the operation processor.

Abstract: A sensor for use in magnetostrictive testing of a structure. The sensor has a thin ferromagnetic strip with a series of parallel crimps across its width. A first wire coil is wrapped around the width of the strip and along its entire length, such that portions of wire that cross the bottom surface of the strip are located inside the crimps, and portions of wire that are wrapped across the top surface of the strip are between the crimps. The sensor further has a second coil wrapped around the length of the strip, or for pipeline applications, around the pipeline.

Abstract: Raman emissions from a sample may be enhanced by using a microsphere to confine the impinging radiation into a photonic nanojet and thereby increase the intensity of the radiation that is striking the sample. The amount of enhancement may be improved by configuring the diameter and refractive index of the microspheres in conjunction with the dispersion and the wavelength of the radiation to increase the intensity of the beam of radiation in the photonic nanojet.

Abstract: Exemplary embodiments of the present invention relate to benzoxazines having various N-protecting groups. An R1 functional group is at least one selected from the group consisting of H and a halogen, an R2 functional group is at least one selected from the group consisting of H, an amide, or a carbamate, and a Z functional group is at least one selected from the group consisting of a phenyl, substituted phenyl group, methyl, and t-butyl group. The exemplary embodiments provide compounds with benzoxazines having various cleavable protecting groups such as amides and carbamates.

Abstract: Provided is a silicon-wafer-based germanium semiconductor photodetector configured to be able to provide properties of high gain, high sensitivity, and high speed, at a relatively low voltage. A germanium-based carrier multiplication layer (e.g., a single germanium layer or a germanium and silicon superlattice layer) may be provided on a silicon wafer, and a germanium charge layer may be provided thereon, a germanium absorption layer may be provided on the charge layer, and a polysilicon second contact layer may be provided on the absorption layer. The absorption layer may be configured to include germanium quantum dots or wires.

Abstract: The present invention relates to a method and apparatus for transceiving data. A method in which a transmitting terminal transmits data to a receiving terminal in a MIMO system according to one embodiment of the present invention comprises the following steps: generating a data field containing the data; generating a signal field containing information on the data field; generating a data frame containing the data field and the signal field; and transmitting the data frame to the receiving terminal. According to the present invention, an end of the frame being transmitted is accurately notified to the receiving terminal in a communication system in which the frame is transmitted using MIMO, thereby decoding the frame in a more efficient manner at the receiving terminal.

Abstract: There is provided a method for synchronization between one or more base stations to provide broadcast multicast service, including: receiving a session start request message, and extracting a service start setting time set to start broadcast service from the session start request message; comparing the service start setting time to a modification check time being a check time which is later than and closest to the service start setting time, among check times at which it is determined whether or not broadcast service has changed, the check times having a predetermined time interval; deciding, when the modification check time is later than the service start setting time by a predetermined internal slack time period or more, the modification check time as a service start time at which broadcast service starts; and transmitting information indicating the service start time to the base stations.

Abstract: A relay, a terminal, and a communication method of the same are provided. The terminal acting as a relay receives a message including scan duration information from a superordinate HR-BS, and the terminal transmits a message including the scan duration information to a subordinate HR-MS. The terminal receives an A-preamble from the superordinate HR-BS according to the scan duration information.

Abstract: A lamp to produce white light includes an envelope; and a composition disposed in the envelope and including an initiator; a primary halide; and a secondary halide, wherein the primary halide, in a presence of the secondary halide, has a vapor pressure that is greater than a vapor pressure in an absence of the secondary halide, and the composition is configured to emit white light in a presence of an electrical discharge in the envelope.

Abstract: A method of producing a structure containing a phase-separated structure, including forming, on a substrate, a layer containing a block copolymer having a block of a polyhedral oligomeric silsesquioxane structure-containing structural unit; forming a top coat film by applying, to the layer containing the block copolymer, a top coat material which undergoes a change in polarity upon heating, and controls a surface energy of the layer containing the block copolymer; and subjecting the layer containing the block copolymer on which the top coat film is formed to phase separation by thermal annealing.

Abstract: A solvothermal synthesis process of the SAPO molecular sieves and catalysts prepared thereby are provided. The synthesis process comprises the following steps: a) an organic amine, an aluminum source, a phosphorus source, a silicon source, and water are mixed in a molar ratio of 6-30:1:0.5-5:0.01-1.0:0.1-15, to obtain an initial mixture for preparing the SAPO molecular sieves, wherein the molar ratio of water to the organic amine is less than 2.0; b) the initial mixture obtained in the step a) is maintained at 30-60° C. to and aged with stirring for not more than 24 hours, to obtain an initial gel; c) the initial gel obtain in the step b) is crystallized at 150-250° C. for 0.5-15 days. The SAPO molecular sieves prepared thereby are used, after being calcined at 400-700° C. in air, as catalysts for acid-catalyzed reactions or for conversion reactions of oxygen-containing compounds to olefins.

Abstract: A system and method for producing polyoxymethylene dimethyl ethers (DMMn) using an aqueous formaldehyde solution as the initial reaction material. The process system has a polymerization reaction unit, an acetalation unit, a product separation unit, and a catalyst regeneration unit. Both polymerization and acetalation reaction are conducted in the presence of an ionic liquid as a catalyst, which can achieve the effect that two different reactions may be catalyzed by the same ionic liquid. The present invention employs a simple catalyst system, and achieves the efficient separation of the catalyst, the byproduct water, the product and the reaction materials in a separation manner combining the extraction and the rectification.

Abstract: A device and method for analyte detection is provided. In an embodiment, the device includes a multi-layer filter configured to receive a fluid-borne sample including at least one analyte in combination with one or more non-analyte components. The multi-layer filter includes a sample preparation layer configured to dissolve upon receiving a portion of the fluid-borne sample to produce a solution including at least a portion of the fluid-borne sample. The device also includes an analysis cartridge for determining a presence and/or a concentration of the analyte in the solution. The device may be configured as a wearable mask or as a part of a ventilation system. In some embodiments, the analyte is detected using a polymerase chain reaction and a detectable marker. The device and method may be used to quickly detect the presence of an analyte in real-time and on-location.