Abstract: A near-eye display device and an eye tracking system for the near-eye display device are provided. The eye tracking system includes a processor, a control analysis device, an LED illuminating device, a DMD display device and an IR camera. The processor outputs a video signal corresponding to a video displayed on the near-eye display device to the control analysis device. The control analysis device generates an LED synchronization signal and a corresponding subfield display signal. The LED illuminating device drives an LED to emit light, and transmits the light emitted from the LED into the DMD display device. The DMD display device reflects the light into a lens to form an image, and projects the image onto an eye. The IR camera captures an eye image. The control analysis device acquires the eye image and analyzes the eye image to obtain gaze point information.

Abstract: A method for detecting voice, an apparatus for detecting voice, and a chip for processing voice are disclosed. The apparatus includes: a sub-band generation module and a voice activity detection module; wherein the sub-band generation module is configured to process a current time-domain signal frame to obtain sub-band time-domain signals, and the voice activity detection module is configured to determine, according to amplitudes of the sub-band time-domain signals in the current time-domain signal frame, whether the current time-domain signal frame is an effective voice signal. The apparatus for detecting voice may be practiced in a time domain, such that complexity of algorithms is lowered, and power consumption is reduced.

Abstract: The present application provides a secondary battery, an electrolyte, and an apparatus including the secondary battery. The secondary battery of the present application includes an electrolyte, characterized in that the electrolyte includes an organic solvent, and the organic solvent includes a cyclic carbonate and a chain carbonate; the mass ratio of the cyclic carbonate and the chain carbonate is from 25:75 to 32:68; the chain carbonate includes dimethyl carbonate; the mass percentage of the dimethyl carbonate in the chain carbonate is greater than or equal to 9 wt % and less than 50 wt %; wherein based on the total mass of the organic solvent, the mass percentage of a carboxylic acid ester is less than 5 wt %. The secondary battery of the present application can simultaneously obtain excellent low-temperature power, long service life and cycle performance.

Abstract: This application provides an electrolyte, a lithium-ion battery, and an apparatus containing the lithium-ion battery. The electrolyte includes a lithium salt, an organic solvent, and an additive. The additive includes a sulfur-containing compound and lithium difluorophosphate, and a reduction potential of the sulfur-containing compound is higher than a reduction potential of lithium difluorophosphate. Because the reduction potential of the sulfur-containing compound is higher than the reduction potential of lithium difluorophosphate, the sulfur-containing compound can form a low-impedance SEI film on a surface of a negative electrode prior to lithium difluorophosphate, allowing more lithium difluorophosphate to form a passivation film with good thermostability on a surface of a positive electrode, so that the lithium-ion battery has good high-temperature storage performance and cycling performance, without suffering performance deterioration such as lithium precipitation.

Abstract: This application provides an electrolyte, a lithium-ion battery, and an apparatus including such lithium-ion battery. The electrolyte includes a lithium salt, an organic solvent, and an additive. The additive includes a sulfur-containing compound and a silane compound, where the sulfur-containing compound is selected from one or more of sulfur hexafluoride, sulfuryl fluoride, sulfur dioxide, sulfur trioxide, carbon disulfide, dimethyl sulfide, and methyl ethyl sulfide. When a specific sulfur-containing compound is used together with a silane compound as an additive to the electrolyte, the sulfur-containing compound can not only participate in forming a SEI film on a surface of a negative electrode of the lithium-ion battery to effectively prevent direct contact between the electrolyte and a negative electrode active material, but also optimize a passivation film formed by the silane compound on a surface of the positive electrode to reduce film-forming impedance on the surface of the positive electrode.

Abstract: A head-mounted resilient auxiliary locking mechanism, wherein the mechanism comprises a connecting band (3), a rear housing (1) provided at a rear of the connecting band (3), a locking module (4) provided in the rear housing (1), racks (2) provided at the two ends of the connecting band (3) and inserted into the rear housing (1) to engage with the locking module (4), and a resilient band (7) connected between the connecting band (3) and the rear housing (1); when the locking module (4) locks the racks (2), the resilient band (7) prevents the engaging between the racks (2) and the locking module (4) from loosing; and when the locking module (4) releases the racks (2), the resilient band (7) drives the racks (2) to reset.

Abstract: Disclosed are heparin conjugates comprising heparin conjugated to a peptide that binds to a protein of the extracellular matrix (ECM) of cellular tissue, such as a collagen-binding peptide that binds to collagen of the ECM. The disclosed heparin conjugates may be utilized in methods that include treating ECM material to incorporate the heparin conjugates and impart anticoagulant activity to the ECM. The disclosed heparin conjugates also may be formulated as pharmaceutical compositions for treating and/or preventing vascular injuries and conditions.

Abstract: An optical system includes a reflecting-mirror group having a focal-power reflecting face and a free-form-surface-prism group. the latter includes an imaging prism. The focal-power reflecting face of the reflecting-mirror group is configured to reflect part of incident light ray to a first light entering face of the imaging prism. The first light entering face is configured to transmit part of the incident light ray to a second light entering face of the imaging prism. The second light entering face is configured to reflect part of light ray from the first light entering face to a third light entering face of the imaging prism. The third light entering face is configured to reflect part of light ray from the second light entering face to a light exiting face of the imaging prism. An intermediate imaging plane is formed in an optical path before the third light entering face.

Abstract: Various methods, systems, and apparatus are disclosed with improved imposter rejection for keyword recognition systems in a wearable device. Speech signals are measured by a microphone and a vibration sensor, the vibration sensor configured to measure vibrations in the body of a wearer of the device. An audio signal from the microphone and a vibration signal from the vibration sensor are input into a classifier to determine whether the wearer of the device spoke the keyword. In some embodiments, high-frequency components of a signal from the microphone may be combined with low-frequency components of a signal from the vibration sensor to generate a combined speech signal. The classifier may use a classification model trained with positive training data of the wearer speaking the keyword and negative training data of a non-wearer speaking the keyword.

Abstract: A propulsion system assembly includes a propeller, a motor configured to drive the propeller to rotate, and a locking mechanism configured to detachably lock the propeller to the motor. The propeller includes one of a first body and a second body. The motor includes another one of the first body and the second body. The locking mechanism includes a coupling member including a femoral position groove, a fastener configured to fix the coupling member to the second body, and a locking member configured to lock the first body to the coupling member and the second body. A bottom portion of the first body that contacts the coupling member includes a protruding rib configured to fit with the femoral position groove to restrain the first body from rotating relative to the coupling member.

Abstract: A method of differentiating pluripotent stem cells into mesenchymal stem cells, a culture medium used in the method of differentiating pluripotent stem cells into mesenchymal stem cells and a method of performing tissue and organ regeneration by using the mesenchymal stem cells obtained by differentiation using the method of differentiating pluripotent stem cells into mesenchymal stem cells are provided. The method of differentiating pluripotent stem cells into mesenchymal stem cells comprises differentiating, completely under 3D suspension conditions, pluripotent stem cells into trophoblast-like cells using BMP4 and A8301, and then differentiating the trophoblast-like cells into mesenchymal stem cells. Neither of two differentiation processes needs passaging or replacement of a culture container.

Abstract: There are described ROR? modulators of the formula (I), or stereoisomers, tautomers, pharmaceutically acceptable salts, solvates, or prodrugs thereof, wherein all substituents are defined herein. Also provided are pharmaceutical compositions comprising the same. Such compounds and compositions are useful in methods for modulating ROR? activity in a cell and methods for treating a subject suffering from a disease or disorder in which the subject would therapeutically benefit from modulation of ROR? activity, for example, autoimmune and/or inflammatory disorders.

Abstract: A cloud-based radiation therapy treatment planning system (TPS). The TPS changes the clinical workflow of the radiotherapy treatment planning process, by increasing the mobility and computational power of the treatment planning software and hardware architecture. The system is divided into computational components. A user device includes a light and flexible user interface, while the server side entails a hospital relay server, and/or a graphics processing unit cluster server. The TPS computational architecture enables the computational power of a GPU-cluster server on a tablet, laptop, or smartphone.

Abstract: A propulsion system assembly includes a propeller and a motor configured to drive the propeller to rotate. The propeller includes one of a first body and a second body. The motor comprises the other one of the first body and the second body. The propulsion system assembly also includes a locking mechanism configured to detachably connecting the first body and the second body. The locking mechanism includes a locking member and a position limiting lock catch. The locking member is configured to lock the first body and the second body. The locking member includes locking parts located at at least two sides of the locking member. When the locking parts of the locking member rotate to a locking position, the position limiting lock catch is mounted to a side of the locking parts, to restrain the locking member from rotating relative to the first body.

Abstract: A mapping system and corresponding method to realize digital assets on mapping chain based on distribute technology is provided, the system includes a mapping chain and at least two public chains, the mapping chain generates a private key sharding based on distribute technology and completes the decentralized custody of each private key sharing, and by locking in and locking out the digital assets in at least two public chains, to complete cross-chain communication between at least the two public chains. Using the mapping system and corresponding method to realize digital assets on mapping chain based on distribute technology, the mapping methods that supports different digital assets enables different currencies to be mapped to a mapping chain in a more innovative way thus these tokens can realize multi-currency smart contact on the same chain and become the infrastructure of crypto finance.

Abstract: A method for performing segmenting locking and merging control of encrypted digital assets based on time dimension is provided. The method being mainly provided to achieve segmenting locking and merging control of encrypted digital assets by adding a time attribute to encrypted digital asset. Using the method for performing segmenting locking and merging control of encrypted digital assets based on time dimension of the present invention, through the processing of encrypted digital assets in the time dimension, which not only can use smart contracts or hash locking to realize the automated transfer of encrypted digital assets in the future, and the transferred encrypted digital asset before the set time, also can transfer and transaction; meanwhile, since the segmentation object is based on the assets currently held by the user, therefore the deterministic payment of future value rights also can be ensured, has a wider range of applications.

Abstract: Various examples of methods, systems, apparatus and devices are provided for MRI adaptation for radiotherapy machines. In one example, a system for MRI-guided radiotherapy can include a mounting ring and superconducting magnets. The mounting ring can be installed on a gantry of a LINAC to rotate about an isocenter of the LINAC moving with the gantry. The first and second superconducting magnet can be positioned substantially parallel to each other at a separation distance with the centers substantially aligned. The first and second superconducting magnets can provide a main magnetic field within a region of interest located between the first and second superconducting magnets. The superconducting magnets can have an aperture positioned at the center of each magnet and can allow a radiotherapy beam emitting from the gantry head to pass through the apertures. In another example, superconducting magnets can be installed at opposite ends of a LINAC gantry.

Abstract: The present invention relates to a method for external data-based constructing various triggering mechanisms to execute smart contract in blockchain and system thereof, the method comprises: first, issuing a smart contract on blockchain network and waiting for the confirmation of all participants of the smart contract; and then, the trigger component in the blockchain network calls external data according to the customized trigger mechanisms in the smart contract, and issues transaction broadcast information to network-wide distributed nodes when the external data is after polled as satisfying any of the trigger mechanisms; and finally, the network-wide distributed nodes respectively call and verify the external data corresponding to the triggered smart contract.

Abstract: A method for detecting voice, an apparatus for detecting voice, and a chip for processing voice are disclosed. The apparatus includes: a sub-band generation module and a voice activity detection module; wherein the sub-band generation module is configured to process a current time-domain signal frame to obtain sub-band time-domain signals, and the voice activity detection module is configured to determine, according to amplitudes of the sub-band time-domain signals in the current time-domain signal frame, whether the current time-domain signal frame is an effective voice signal. The apparatus for detecting voice may be practiced in a time domain, such that complexity of algorithms is lowered, and power consumption is reduced.

Abstract: Disclosed are compounds of Formula (I) or a salt thereof, wherein: A is CR1 or N; B is CR3 or N; D is CR4 or N; L1 is —(CR7R7)m—; L2 is —(CR7R7)n—; and X, Z, R1, R2, R3, R4, R5, and R6 are define herein. Also disclosed are methods of using such compounds as modulators of TNF?, and pharmaceutical compositions comprising such compounds. These compounds are useful in treating inflammatory and autoimmune diseases.