Abstract: A heat cycle system and a control method. The heat cycle system includes: driving devices, one or a plurality of outdoor units, and a plurality of indoor units, which are connected by pipelines; a bypass pipeline for the plurality of indoor units, a bypass valve being disposed in the bypass pipeline; a pressure sensor that senses a pressure difference ?Po across the plurality of outdoor units; and a controller that is preset with a pressure difference set value ?Pset, wherein the controller calculates a pressure offset parameter ?P=?Po??Pset and adjusts an opening degree of the bypass valve based on the pressure offset parameter ?P so that the pressure offset parameter ?P approaches zero, and wherein the controller is preset with a first pressure offset threshold P1, and the controller is configured such that closed indoor units enter a bypass mode one by one when ?P>P1, until ?P?P1.

Abstract: The invention discloses a reservoir tail reverse regulation method for native fish protection, comprising the steps that firstly, a breeding habitat of native fishes at reservoir tail of a cascade hydroelectric dam is determined; secondly, breeding characteristics of migration native fishes are determined, and an ecological conservation project of a reach of the breeding habitat at reservoir tail is carried out; thirdly, the length of the reservoir tail of a downstream hydropower station of a cascade hydroelectric project in March to May is determined through a field investigation, and the maximum range of a natural river channel downstream of the upstream cascade power station is judged and finally, the flow state of the reach at reservoir tail is reversely regulated to achieve the goal of discharging water of the natural river channel at the reservoir tail and ensuring the natural flow state of the natural river channel.

Abstract: An air conditioning system and a control method thereof. The air conditioning system includes: a plurality of indoor units connected in parallel; a plurality of outdoor units connected in parallel; and a coolant circulation circuit which flows through each of the indoor units connected in parallel and each of the outdoor units connected in parallel respectively, and which exchanges heat with each of the indoor units and each of the outdoor units; wherein the air conditioning system further includes a controller which, based on an activation number of the indoor units, a total number of the indoor units and a total number of the outdoor units, defines an upper limit of an activation number of the outdoor units, so that the flow rate of the coolant flowing through the activated outdoor units is not lower than a preset flow rate.

Abstract: A method of forming a semiconductor device includes attaching a first semiconductor device to a first surface of a substrate; forming a sacrificial structure on the first surface of the substrate around the first semiconductor device, the sacrificial structure encircling a first region of the first surface of the substrate; and forming an underfill material in the first region.

Abstract: The present disclosure provides a pixel unit circuit, a pixel circuit, a driving method and a display device.

Abstract: An offline mode user account authorization method includes obtaining an access privilege of a user account and setting an offline task access privilege of the user account according to the access privilege, retrieving user account information corresponding to a task to be executed from a preset task information comparison table when the task to be executed is implemented, determining whether the user account is online, executing the task to be executed with a user ID of the user account if the user account is online, and creating a super offline user account and assigning offline task access privilege of the user account to the super offline user account if the user account is not online. The implemented task to be executed is executed with the super offline user account.

Abstract: Structures and techniques introduced here enable the design and fabrication of photodetectors (PDs) and/or other electronic circuits using typical semiconductor device manufacturing technologies meanwhile reducing the adverse impacts on PDs' performance. Examples of the various structures and techniques introduced here include, but not limited to, a pre-PD homogeneous wafer bonding technique, a pre-PD heterogeneous wafer bonding technique, a post-PD wafer bonding technique, their combinations, and a number of mirror equipped PD structures. With the introduced structures and techniques, it is possible to implement PDs using typical direct growth material epitaxy technology while reducing the adverse impact of the defect layer at the material interface caused by lattice mismatch.

Abstract: A method and a device for driving a pixel circuit, and a storage medium are provided. When a current data voltage of a pixel circuit is within a first voltage range and a target data voltage of the pixel circuit is within a second voltage range, the driving method comprises: refreshing a data voltage stored in the pixel circuit with a boundary value between the first voltage range and the second voltage range using a gate signal reference voltage corresponding to the first voltage range; and refreshing the data voltage stored in the pixel circuit with the target data voltage using a gate signal reference voltage corresponding to the second voltage range.

Abstract: Provided are a pixel circuit and a drive method thereof, a display substrate, and a display device. The pixel circuit includes a current source sub-circuit and a voltage divider sub-circuit. The current source sub-circuit is configured to update a stored drive voltage based on a voltage at the data signal terminal when the gate signal terminal receives a gate drive signal, and output a drive current based on the stored drive voltage when the switch signal terminal receives a light-emitting control signal, a current value of the drive current being positively correlated to a voltage value of the drive voltage. The voltage divider sub-circuit is configured to regulate an equivalent resistance value of the voltage divider sub-circuit in an output path of the drive current based on a signal received by the voltage division control signal terminal.

Abstract: Provided are a semi-persistent scheduling method and apparatus. The semi-persistent scheduling method includes receiving, through a first interface, semi-persistent scheduling configuration information sent by a base station, and sending the semi-persistent scheduling configuration information to a remote user equipment through a second interface to indicate that a semi-persistent scheduling mode is used in information transmission between the remote user equipment and the relay user equipment; and receiving, through the first interface, a semi-persistent scheduling signaling sent by the base station and sending the semi-persistent scheduling signaling to the remote user equipment through the second interface to indicate activation or release of a semi-persistent scheduling process between the remote user equipment and the relay user equipment. Semi-persistent scheduling between the remote user equipment and the relay user equipment can be implemented.

Abstract: The present disclosure relates to systems and methods for determining a motion of an object during imaging. The systems and methods may cause a light emission device to project a structured light onto the object, and cause a light reception device to detect light resulting from the structured light as projected onto the object and generate a plurality of measured images of the structured light based on the detected light. The systems and methods may further determine the motion of the object based on the plurality of measured images of the structured light and a reference image of the structured light.

Abstract: A method of forming a dental composite includes photopolymerizing a dental composition. The dental composition includes a free-radically polymerizable (meth)acrylate resin, 75 percent by weight or greater of filler particles, and about 0.005 percent to about 5 percent by weight of at least one polymerizable stable radical. The photopolymerizing forms the dental composite such that the dental composite has a flexural modulus of about 9500 MPa or greater and the polymerizable stable radical reduces shrinkage stress of the dental composite caused by the photopolymerizing by 10% or greater. A method of forming a dental composite composition includes combining a free-radically polymerizable (meth)acrylate resin, 75 percent by weight or greater of filler particles, and about 0.005 percent to about 5 percent by weight of at least one polymerizable stable radical to form the dental composite composition.

Abstract: A resource configuration method, system and device for a Single-Cell Multicast Control Channel (SC-MCCH) are provided. In the method, a base station sends a system broadcast message, which includes configuration information of the SC-MCCH configured by the base station, the configuration information includes a Modification Period (MP) of the SC-MCCH and time-domain location information of the SC-MCCH, and the configuration information further includes at least one of: a Repetition Period (RP) of the SC-MCCH, configuration information of SC-MCCH change notification information, and a value tag.

Abstract: The present invention discloses a polylactic acid composite and use thereof. The polylactic acid composite includes the following components: (A) 89 to 98 parts by weight of polylactic acid; (B) 1 to 4 parts by weight of talcum powder; and (C) 1 to 7 parts by weight of a plasticizer. In the component (A), the polylactic acid has a polydispersity index P satisfying the following relationship: 1.55?P?2.02. In the component (B), the talcum powder has a particle size D(50) satisfying: 1 ?m?D(50)?2.6 ?m. In the component (C), the plasticizer has a relative molecular weight M satisfying: 180?M?670. Through research, the present invention has unexpectedly discovered that by using the polylactic acid having the polydispersity index P satisfying the relationship 1.55?P?2.

Abstract: Disclosed in the present disclosure are an OLED display panel, a driving method therefor and a display device. A first light-blocking layer is disposed between a photosensitive unit and an organic electroluminescent structure, and the first light-blocking layer at least has a hollow area corresponding to a fingerprint identification area. When a finger touches a screen, the lights emitted by the organic electroluminescent structure are reflected by the finger to irradiate the photosensitive unit through small holes, such that fingerprint information of the finger is detected due to the brightness differences among the lights reflected by ridges and valleys of the finger. The small holes in the hollow area can function to improve the light intensity convergence, thus increasing the sensitivity to finger touches to the greatest extent.

Abstract: A hinge structure including a first screw rod, a sliding rod, and a second screw rod is provided. The first screw rod comprises a threaded shaft. The sliding rod is sleeved on the threaded shaft. The second screw rod is sleeved on the sliding rod. The threaded shaft has a first helical slot. The sliding rod has a first guiding portion and a second guiding portion, and the first guiding portion is coupled to the first helical slot. The second screw rod has a second helical slot, and the second guiding portion is coupled to the second helical slot.

Abstract: An optical sensor including a semiconductor substrate; a first light absorption region formed in the semiconductor substrate, the first light absorption region configured to absorb photons at a first wavelength range and to generate photo-carriers from the absorbed photons; a second light absorption region formed on the first light absorption region, the second light absorption region configured to absorb photons at a second wavelength range and to generate photo-carriers from the absorbed photons; and a sensor control signal coupled to the second light absorption region, the sensor control signal configured to provide at least a first control level and a second control level.

Abstract: An optical sensor includes pixels disposed in a substrate and a light collimating layer disposed on the substrate. The light collimating layer includes a first light-shielding layer, first transparent pillars, a second light-shielding layer, and second transparent pillars. The first light-shielding layer is disposed on the substrate. The first transparent pillars through the first light-shielding layer are correspondingly disposed on the pixels. The second light-shielding layer is disposed on the first light-shielding layer and the first transparent pillars. The second transparent pillars through the second light-shielding layer are correspondingly disposed on the first transparent pillars. The top surface area of each of the first transparent pillars is not equal to the bottom surface area of each of the second transparent pillars.

Abstract: A semiconductor device is provided. The semiconductor device includes a substrate. The substrate includes a plurality of pixels. The semiconductor device also includes a light collimator layer disposed on the substrate. The light collimator layer includes a transparent connection feature disposed on the substrate, and a plurality of transparent pillars disposed on the transparent connection feature. The plurality of transparent pillars cover the plurality of pixels, and the transparent connection feature connects to the plurality of transparent pillars. The plurality of transparent pillars and the transparent connection feature are made of a first material which includes a transparent material. The light collimator layer also includes a plurality of first light-shielding features disposed on the transparent connection feature. The top surface of one of the transparent pillars is level with the top surface of one of the first light-shielding features.

Abstract: Generating plasma by using dielectric barrier discharge and introducing a dielectric barrier discharge electrode bar into a high-speed vibrating ball milling tank requires that, on one hand, a solid insulation medium on the outer layer of the electrode bar can simultaneously bear high-voltage discharge and mechanical shock failure of the grinding ball, and on the other hand, the high-speed vibrating ball milling device can uniformly process the powder. The discharge space pressure is set to a non-thermal equilibrium discharge state with a pressure of about 102 to 106 Pa, discharge plasmas are introduced to input another kind of effective energy to the processed powder, so as to accelerate refinement of the powder to be processed and promote the alloying process and improve the processing efficiency and the effect of the ball mill.