Abstract: An ultra high definition display device and a video signal converting method are provided. The ultra high definition display device comprises a first input port configured to receive a first signal; a control module configured to generate a first enabling signal; a first receiver module configured to receive the first signal from the first input port according to the first enabling signal, and generate a second signal by a format conversion, both the first signal and the second signal being full high definition signals; a resolution transformation module configured to transform the second signal in resolution to generate a third signal, the third signal being an ultra high definition signal; and a transmission module configured to convert the third signal into an ultra high definition display signal and output the display signal.

Abstract: An online system selects advertisements for presentation a user based on characteristics of the user. The online system monitors performance of advertisements based on a goal for the advertisement and a time interval for achieving the goal. During a time period within the time interval, the online system determines an actual performance of the advertisement and compares the actual performance to a portion of the goal associated with the time period. If the actual performance does not satisfy the portion of the goal associated with the time period, the online system expands targeting criteria of the advertisement to increase a number of users eligible to be presented with the advertisement.

Abstract: The present invention relates to a method for preparing TDI (toluene diisocyanate) isocyanurate by using TDI, monohydric alcohol, solvent, antioxidant, catalyst and termination agent as the raw materials. The properties of the isocyanurate are improved by the process comprising the modification by monohydric alcohol and addition of the catalyst and solvent in several stages at an appropriate temperature. By adding the catalyst and solvent in batches at the condition of controlling both NCO % and the viscosity in the preparation process, and adjusting the solid content at each step, the resulting TDI isocyanurate has low content of free TDI, high xylene tolerance, small product color number, and high performance stability, which makes the product obtained by the isocyanurate have good application properties such as the drying, polishing and extinction properties of coating film, and such isocyanurate has good compatibility with other components.

Abstract: The present disclosure relates to a white LED light source, a backlight module and a liquid crystal display device. The white LED light source comprises a light strip having a plurality of LED units and a plurality of laser units. Each LED unit has a chip emitting lights of a first color light and a fluorescent module induced by the lights of the first color to emit lights of a second color. The plurality of laser units emit lights of a third color so as to form white lights by mixing the lights of the second color emitted by the LED units and the lights of the third color emitted by the laser units. In the white LED light source according to the present disclosure, laser units are used so as to expand the color gamut of the liquid crystal display device.

Abstract: Disclosed is a PTZ video visibility detection method based on luminance characteristic, which includes acquiring a road condition video image by utilizing a PTZ video camera, extracting the region of interest ROI of the road surface to obtain high constancy of selected pixels; acquiring precise road surface region by utilizing region-growing algorism based on Nagao filtering to ensure the illuminance constancy of the selected pixels in world coordinates; in the road surface region, extracting the contrast curve which reflects the luminance variation of the road surface, and searching the feature points of the luminance curve to calculate the human eye distinguishable and maximum far pixels in the image with an extinction coefficient; calculating the maximum visibility distance in combination with camera calibration to determine the visibility value.

Abstract: An audio processing method for use in a server, includes: receiving an audio file uploaded from a terminal that has downloaded a first accompaniment music file of a song from the server, the audio file being generated by the terminal by encoding collected audio information relating to singing a portion of the song and the first accompaniment music file; and marking an unmarked, audio mixing portion in the received audio file as a portion that has been sung, to generate a second accompaniment music file of the song.

Abstract: The present disclosure provides a direct-type backlight module and a display apparatus. The direct-type backlight module may comprise: a backplane; a plurality of LED lamps distributed in an array which are positioned on the backplane; a diffusion plate above the plurality of LED lamps; and multiple optical fibers connecting two adjacent LED lamps of the plurality of LED lamps, each optical fiber being provided with a plurality of light transmission openings distributed at intervals towards the diffusion plate along its extension direction. Wherein part of light emitted from each LED lamp can be propagated along the optical fiber and transmitted to the diffusion plate via the light transmission openings. The direct-type backlight module directs part of the light emitted from the LED lamps through the plurality of light transmission openings to the diffusion plate using the optical fibers, which changes the LED lamps in the form of point light sources into area light sources.

Abstract: Disclosed herein are methods for producing nanocrystalline cellulose and oxidized nanocrystalline cellulose from biomass. Also disclosed are methods for forming materials, and the materials formed from a fibrin matrix that incorporates the nanocrystalline cellulose and/or the oxidized nanocrystalline cellulose.

Abstract: A stainless steel-resin composite and method of preparing the same are provided. The method comprises providing a stainless steel substrate, spraying aluminum particles onto a first surface of the stainless steel substrate via thermal spraying to form an aluminum layer on the first surface of the stainless steel substrate, removing the aluminum layer by immersing the stainless steel substrate into an alkaline solution with a pH value greater than or equal to 10 so as to form a porous surface, and injecting a resin composition onto the porous surface of the stainless steel substrate so as to form a resin layer.

Abstract: A frequency signal generating system comprises a digital phase-locked loop for receiving a source frequency signal; a loop filter for filtering out high frequency components of a signal output from the digital phase-locked loop; and a voltage controlled oscillator for outputting a target frequency signal according to a signal from the loop filter, wherein an output terminal of the voltage controlled oscillator is connected to a first output terminal of the digital phase-locked loop so that the target frequency signal output from the voltage controlled oscillator is fed back to the digital phase-locked loop, the digital phase-locked loop performs frequency-dividing and phase-detecting on the source frequency signal and the fed back, target frequency signal so that the target frequency signal output from the voltage controlled oscillator and the source frequency signal satisfy a definite mathematical relationship therebetween.

Abstract: An electrical device includes a current transport layer formed using a layer of a topological material selected from the group of a topological insulator, a quantum anomalous hall (QAH) insulator, a topological insulator variant, and a topological magnetic insulator. In one embodiment, the current transport layer forms a conductive wire on an integrated circuit where the conductive wire includes two spatially separated edge channels, each edge channel carrying charge carriers propagating in one direction only. In other embodiments, an optical device includes an optical layer formed using a layer of the topological material. The optical layer can be a light absorbing layer, a light emitting layer, a light transport layer, or a light modulation layer.

Abstract: Among other disclosed subject matter, a computer-implemented method includes receiving an indication that execution of an instance of a first task is degraded relative to a performance threshold associated with the first task. Performance data associated with the execution of the instance of the first task and performance data associated with execution of a plurality of additional tasks executed on the computing device are collected. For each of the plurality of additional tasks, the method includes determining a score for the respective additional task based on the performance data associated with the execution of the instance of the first task and performance data associated with the respective additional task. The method includes identifying one or more additional tasks as a potential cause of degraded performance based on the scores associated with each of the plurality of additional tasks. The method includes modifying an execution of a particular identified task.

Abstract: A high purity cyclopeptide crystal has a structure shown by Formula I. R represents H or a cation forming a pharmaceutically acceptable salt. Also disclosed are a preparation method and a use of the high-purity cyclopeptide crystal.

Abstract: A metal composite, a method of preparing the metal composite, a metal-resin composite, and a method of preparing the metal-resin composite are provided. The metal composite comprises: a metal substrate comprising a first layer formed on a surface of the metal substrate and an anodic oxidation layer formed on the first layer. The first layer comprises a first pore having an average diameter of about 10 nanometers to about 1 millimeter, and the metal composite comprises aluminum alloy or aluminum. The anodic oxidation layer comprises a second layer contacted with the first layer of the metal substrate and a third layer formed on an outer surface of the second layer, and the second layer comprises a second pore having an average diameter of about 10 nanometers to about 800 microns, and the third layer comprises a third pore having an average diameter of about 10 nanometers to about 800 microns.

Abstract: Disclosed is a high purity cyclopeptide compound, the chemical structure of which is represented by formula (I). R represents H or a cation capable of forming a pharmaceutically acceptable salt, the purity being greater than or equal to 99.0%. Further disclosed are preparation method and use of the high purity cyclopeptide compound.

Abstract: A chip card holder includes a latching member and a housing. The latching member includes a first cover portion, a second cover portion and a connecting portion therebetween the first cover portion and the second cover portion. The housing defines two receiving grooves. The first cover portion and the second cover portion respectively protrude from the two receiving grooves. The receiving grooves with the first cover portion and the second cover portion define a first latching space and a second latching space for receiving two chip cards.

Abstract: Disclosed is a hydrate of a compound as shown in Formula I. In formula I, R represents H or a cation capable of forming a pharmaceutically acceptable salt. The mass percentage of water in the hydrate is more than 8%. The hydrate has good stability. Moreover, disclosed are a preparation method and a use thereof.

Abstract: A material is described of formula NaxMyAlaSibO67 with Face Centered Cubic (fcc) lattices forming F -4 3 m cubic structure, wherein M is at least one of lithium, potassium, rubidium, caesium, vanadium, chromium, iron, cobalt, nickel, ruthenium, rhodium, palladium, silver, osmium, iridium, platinum, gold, and cerium; 0<x+y?22/3; wherein when y=0, 4<x?/3, when 0<y?/3, 0?x<22/3, and when M is potassium, x>0; 1?a3; 1?b?3; and 0<??32/3. An exhaust gas system comprising the material and a method are also described herein.

Abstract: An audio processing method for use in a server, includes: receiving an audio file uploaded from a terminal that has downloaded a first accompaniment music file of a song from the server, the audio file being generated by the terminal by encoding collected audio information relating to singing a portion of the song and the first accompaniment music file; and marking an unmarked, audio mixing portion in the received audio file as a portion that has been sung, to generate a second accompaniment music file of the song.

Abstract: A method for oxidizing a carbonaceous material, the method comprising contacting the carbonaceous material with an effective amount of a catalytic material of formula AxMyWOz, and initiating the oxidization of the carbonaceous material at a first temperature lower than a second temperature at which the carbonaceous material is initiated to oxidize without a catalyst, wherein A is at least one of cesium and potassium, M is different from A and is at least one of cesium, potassium, magnesium, calcium, strontium, barium, iron, cobalt, nickel, ruthenium, rhodium, palladium, silver, osmium, iridium, platinum, gold, yttrium, lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium, and bismuth, 0?x?1, 0?y?1, 2.2?z?3, when x=0, y>0, and when y=0, x>0.