Abstract: Provided is a quantum dot having a core-shell structure, wherein a core includes a first semiconductor nanocrystal including zinc, tellurium, and selenium, and a semiconductor nanocrystal shell is disposed on the core and includes a Group II-VI compound, wherein the quantum dot further includes phosphorus and fluorine, and the quantum dot does not include cadmium.

Abstract: The present invention discloses a method for producing a hypereutectoid steel rail resistant to contact fatigue. The method includes performing molten iron desulphurization, converter smelting, LF refining, RH refining, continuous casting and billet heating, rolling and heat treatment after rolling to obtain a steel rail; the heat treatment after rolling includes performing accelerated cooling and air cooling on the center of a tread of a rail head, both sides of the rail head and the center of a rail bottom of the steel rail obtained after rolling, wherein the starting cooling temperature of the accelerated cooling is 650-900° C., the cooling rate is 1.0-5.0° C./s, and the final cooling temperature is 400-550° C.; and after reaching the final cooling temperature, the accelerated cooling is stopped and it is air-cooled to room temperature. The hypereutectoid steel rail has higher purity, better contact fatigue resistance and good wear resistance.

Abstract: A method for identifying an optimal corridor width includes: acquiring geographic information data of a target region; evaluating ecosystem service functions of the target region, and constructing an ecological source land in combination with a nature reserve; constructing a resistance surface indicator system, and obtaining a disaster susceptibility distribution result by using geological disaster distribution point data to correct a resistance surface, to thereby obtain a real resistance surface; importing data of the ecological source land and data of the real resistance surface into LINKAGE MAPPER to generate an ecological corridor; constructing an evaluation system of the optimal corridor width based on three aspects of cost-function-ecological benefits, and evaluating the ecological corridor by using an IEW-TOPSIS model to obtain the optimal corridor width of the ecological corridor.

Abstract: A system and method is provided including a first pulse width modulation (PWM) generator circuit including a first timer to generate a first cycle count, a first configuration register to define characteristics of a first electrical pulse to be generated, and a trigger cycle count specifying a timing of a first trigger signal, and a first load enable input to load a new configuration value into the first configuration register, a second PWM generator circuit including a second timer to generate a second cycle count, a second configuration register to define characteristics of a second electrical pulse to be generated, a second load enable input to load a new configuration value into the second configuration register, and a load enable selector to selectively drive the second load enable input based on the first trigger signal.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may configure one or more radio frequency (RF) chains of the UE to communicate using a second radio access technology (RAT) for a length of time. The UE may identify that the length of time satisfies a threshold. The UE may configure the one or more RF chains to the first RAT. The UE may initiate a beam measurement on the first RAT in a number of consecutive measurement occasions based at least in part on the length of time satisfying the threshold. Numerous other aspects are described.

Abstract: A thermal dissipation composite material comprising: a matrix including a polymer material; and composite particles distributed in the matrix, wherein the composite particles include a filler, and a thermally conductive material coated on the surface of the filler by an inorganic coating layer, and wherein the plurality of thermally conductive materials coated by the inorganic coating layer are connected to each other on the surfaces of the plurality of composite particles so as to establish a heat transfer network.

Abstract: A cadmium free quantum dot including a core that includes a first semiconductor nanocrystal including zinc, tellurium, and selenium, and a semiconductor nanocrystal shell that is disposed on the core and includes a zinc chalcogenide, wherein the quantum dot further includes magnesium and the mole ratio of Te:Se is greater than or equal to about 0.1:1 in the quantum dot; a production method thereof; and an electronic device including the same.

Abstract: A data set management of a provider network may allow a user to create new data set instances. When a data set instance is created, data set lineage metadata is also generated to describe the new data set instance, including the transformation that was applied to data in order to create the data set instance. When modifications are made to source data (e.g., a data bucket), then the modifications are propagated via transformations to the parent data set instance and to any child data set instances according to the data set lineage metadata in order to update the data set instances. When modifications are made to a parent data set instance to create an updated parent data set instance, then the modifications are propagated via transformations to any child data set instances according to the data set lineage metadata. Transformations and transformation patterns may also be defined and scheduled.

Abstract: The present invention relates to an antenna device and, particularly, comprises: a radiation cover; a plurality of radiation elements which are arranged on the front surface of the radiation cover so as to be exposed to outside air and which implement beamforming; and an antenna housing body on which the radiation cover is provided, wherein the heat, which is generated by a heating element arranged behind the radiation elements and the radiation cover, is released to the front of the antenna housing body through the front surface of the radiation cover and the radiation elements which are exposed to outside air, and thus the radiation performance of a product is remarkably improved, and the manufacturing cost of the product is reduced.

Abstract: A semiconductor device may include an active pattern on a substrate, a lower channel pattern on the active pattern and including first and second lower semiconductor patterns, an upper channel pattern on the lower channel pattern and including first and second upper semiconductor patterns, a pair of lower source/drain patterns on opposite sides of the lower channel pattern and a pair of upper source/drain patterns on opposite sides of the upper channel pattern, and a gate electrode surrounding the lower and upper channel patterns. The gate electrode may include a first upper portion between the first and second upper semiconductor patterns, and a first lower portion between the first and second lower semiconductor patterns. Each semiconductor pattern may include a first recess part having a first recess region on a top surface thereof, and a first protrusion part protruding from a bottom surface of the first recess part.

Abstract: Provided is a display device including a substrate, a circuit layer disposed on a first surface of the substrate, a light emitting element layer, and a circuit board disposed on a second surface of the substrate. The circuit layer includes pixel drivers, gate lines, a first power supply line and a second power supply line respectively transmitting a first power and a second power, and a gate driver including stages electrically connected to the gate lines, respectively. The second power supply line is electrically connected to the circuit board through power connection portions. The power connection portions are disposed between a number of the stages adjacent to a curved corner of the substrate among the stages of the gate driver.

Abstract: The present invention relates to a method for encoding/decoding a video. To this end, the method for decoding a video may include: deriving a spatial merge candidate from at least one of spatial candidate blocks of a current block, deriving a temporal merge candidate from a co-located block of the current block, and generating a prediction block of the current block based on at least one of the derived spatial merge candidate and the derived temporal merge candidate, wherein a reference picture for the temporal merge candidate is selected based on a reference picture list of a current picture including the current block and a reference picture list of a co-located picture including the co-located block.

Abstract: Embodiments are disclosed for group cast with retries (GCR) in a multi-link wireless communications system. In some embodiments, an access point (AP) multi-link device (MLD) can exchange information with a non-AP MLD to establish a GCR-multi-link operation (MLO) agreement corresponding to a group address, wherein the information includes, but is not limited to: a GCR primary link or a GCR primary link set of the AP MLD, an association identifier (AID) that corresponds to the group address. In some embodiments, the AP MLD can transmit a GCR frame subject to the GCR-MLO agreement, where the GCR frame includes a sequence number assigned from sequence number space (SNS)_GCR_MLO defined at a MLD level, and generate a Group Temporal Key (GTK)_GCR_ML at the MLD level, where the GTK_GCR_ML enables encryption and decryption of the GCR frame.

Abstract: A method of forming a plasma-resistant coating layer with low brightness includes: (a) performing a heat treatment process on a primary rare-earth metal compound powder having a grain size in a range of 20 nm to 60 nm to prepare a secondary rare-earth metal compound powder, (b) transferring the secondary rare-earth metal compound powder, and (c) spraying the transferred secondary rare-earth metal compound powder onto a substrate to form a rare-earth metal compound coating layer on the substrate. In the transferring transfer, a carrier gas is used to transfer the secondary rare-earth metal compound powder. The secondary rare-earth metal compound powder obtained through the heat treatment process has a grain size in a range of 70 nm to 150 nm, and the rare-earth metal compound coating layer has a brightness value of 50 or less.

Abstract: The present disclosure relates to carrier tapes, IC modules, and smart card devices. According to one embodiment, an article of manufacture comprises: a non-conductive substrate having a front side and a rear side, and a plurality of through holes extending from the front side to the rear side; a smart card contact area arranged on the front side of the substrate and having a plurality of conductive pads which are mutually insulated and close front-side ends of the through holes; a plurality of through-hole solder pads and a plurality of conductive traces arranged on the rear side of the substrate, wherein the through-hole solder pads are arranged at rear-side ends of the through holes, wherein the conductive traces are conductively coupled to the through-hole solder pads respectively; and a solder mask at least partially overlaying the conductive traces.

Abstract: A semiconductor device includes a trench defining an active region in a substrate, a first insulating layer on a bottom surface and side surfaces of the active region inside the trench, a shielding layer on a surface of the first insulating layer, the shielding layer including a plurality of spaced apart particles, a second insulating layer on the shielding layer and having first charge trapped therein, the plurality of spaced apart particles being configured to concentrate second charge having an opposite polarity to the charge trapped in the second insulating layer, and a gap-fill insulating layer on the second insulating layer in the trench.

Abstract: A cover window, a display device, and a cover window manufacturing method are provided. The cover window includes a window substrate; a stress control layer on the window substrate and including a ceramic; and a hard coating layer on the stress control layer.

Abstract: Provided are a polarizer comprising a polyvinyl alcohol-based film and having an endothermic peak of 50° C. to 60° C. when measured by differential scanning calorimetry at a temperature increase rate of 10° C./min; a polarizing plate comprising a polarizer and a first protective film and a second protective film laminated on one surface and the other surface of the polarizer, respectively, and having an initial shrinkage initiation temperature greater than 70° C. and less than or equal to 90° C. during thermomechanical analysis; and an optical display device comprising same.