Abstract: Disclosed is a method for inducing Iris domestica seed buds to generate polyploid, including the following steps: seed bud induction: inducing Iris domestica seeds at a low temperature, then soaking, sterilizing and germinating the same to obtain Iris domestica seed buds; and polyploid induction: soaking the obtained Iris domestica seed buds in oryzalin solution for polyploid induction to obtain mutagenized buds. In the present disclosure, the Iris domestica seed buds are treated by soaking with oryzalin to induce polyploid, and a total of 737 new germplasms of polyploid Iris domestica are obtained. The breeding has a short experimental period, simple operations, and high polyploid induction efficiency. At the same time, polyploids with large flowers, bright colors and strong plants are obtained. The method lays the foundations for the polyploid breeding of Iris domestica and the cultivation of new varieties of Iris domestica with large flower type and strong resistance.

Abstract: A near-eye display includes a display panel (e.g., a liquid crystal display (LCD) panel or organic light emitting diode (OLED) display panel) configured to generate a display image, and display optics configured to project the display image to a user. The near-eye display also includes an optical attenuation layer formed on the display optics, between the display optics and the display panel and spaced apart from the display panel, or on a side of the display optics opposing the display panel. The optical attenuation layer includes, for example, a polarization film, an infrared (IR) blocking coating, an IR blocking optically clear adhesive layer, a photochromic (or UV blocking) coating, or a combination thereof. In some examples, the optical attenuation layer is formed on an accessory device (e.g., a prescription lens or a lens cover) of the near-eye display.

Abstract: The embodiments of the present application disclose a laser detection device. The laser detection device includes a laser emitter, a laser detector, and a laser echo signal processing circuitry. The laser emitter emits a laser to the target object. The laser detector receives an echo signal reflected by the target object. The laser echo signal processing circuitry samples the echo signal. The laser echo signal processing circuitry includes a controller, a time digital converter, and a dynamic threshold value generation circuit. The controller outputs a digital signal to the dynamic threshold value generation circuit. The dynamic threshold value generation circuit generates at least two analog threshold signals to the time digital converter. The time digital converter samples the echo signal based on the threshold signals.

Abstract: An upper dustproof member of a linear guideway includes a connection segment and two floating dustproof segments that are respectively connected to two opposite sides of the connection segment. Each of the two floating dustproofing segments has a carrying bar and at least one rib that is connected to the carrying bar. In each of the two floating dustproofing segments, the carrying bar has two end portions each having a bevel arranged away from the at least one rib. When the bevels of the end portions of the upper dustproof member are respectively inserted into four tolerance slots of two end caps, each of the end portions and the corresponding end cap have a tolerance gap therebetween, so that a slanting surface of each of the bevels abuts against the corresponding tolerance slot, and each of the end portions is deformable toward the corresponding tolerance gap.

Abstract: A busbar assembly includes a first busbar having a mating interface for mating with an electrical component to power the electrical component and a second busbar having a mating interface for mating with the electrical component to power the electrical component. The busbar assembly includes a first thermal conduit extending along the first busbar that allows liquid coolant to flow therethrough to dissipate heat from the first busbar. The busbar assembly includes a second thermal conduit extending along the second busbar that allows liquid coolant to flow therethrough to dissipate heat from the second busbar.

Abstract: The present application relates to processes for the preparation of quinolone compounds and intermediates thereof, particularly to processes for the preparation of quinolones and pharmaceutical intermediates of the quinolones. In particular, the present application provides a process for the preparation of a compound of Formula I, and a process for the synthesis of quinolone compounds using the compound of Formula I as an intermediate.

Abstract: Crosslinking molecules that permit efficient identification of specifically associated proteins and the sites of crosslinking in biological or other samples include two cleavable bonds that are cleavable under the same conditions as peptide bonds in mass spectrometric determinations. Sets of the invention crosslinkers may be provided with isobaric labels containing reporter ions of differing molecular weights to permit relative quantitation of crosslinked protein pairs.

Abstract: An on-time controller, for controlling a switching operation of a power converter includes an on-time controlling circuit, configured to control an on-time signal of a switch circuit of the power converter according to a reference voltage, wherein the reference voltage is varied according to an output voltage of an output terminal of the switch circuit; and a frequency adjusting circuit, coupled to the on-time controlling circuit, configured to sense the output voltage of the output terminal of the switch circuit, generate a load sensing current according to the output voltage, and provide the load sensing current to the on-time controlling circuit for compensating the reference voltage to adjust the on-time signal of the switch circuit and a switching frequency of the switch circuit.

Abstract: A synchronization method and an electronic device are provided. The synchronization method includes receiving, in a case that a first electronic device is in communication connection with a second electronic device, a running interface of a first application sent by the second electronic device. The synchronization method further includes receiving, in a case that the first electronic device runs the first application, target application data of the first application sent by the second electronic device. The synchronization method also includes synchronizing the target application data to the first application run on the first electronic device.

Abstract: A wide-band Josephson parametric amplifier and method of fabricating the wide-band Josephson parametric amplifier are described. The wide-band Josephson parametric amplifier comprises a substrate, a coplanar waveguide disposed on the substrate having an impedance that varies over a length of the coplanar waveguide, wherein the coplanar waveguide comprises a conductor separated from a first ground plane by a first gap and a second ground plane by a second gap, and a nonlinear resonator disposed on the substrate and coupled to the coplanar waveguide.

Abstract: A busbar assembly includes a first busbar having a mating interface for mating with an electrical component to power the electrical component and a second busbar having a mating interface for mating with the electrical component to power the electrical component. The busbar assembly includes a first thermal conduit extending along the first busbar that allows liquid coolant to flow therethrough to dissipate heat from the first busbar. The busbar assembly includes a second thermal conduit extending along the second busbar that allows liquid coolant to flow therethrough to dissipate heat from the second busbar.

Abstract: A controller for a set of superconducting qubits includes a parametrically driven tunable coupler coupled to each superconducting qubit in the set of superconducting qubits comprising three or more superconducting qubits, a magnetic flux pump coupled to the parametrically driven tunable coupler, a first control line coupled to the magnetic flux pump, and a second control line coupled to the magnetic flux pump. The parametrically driven tunable coupler creates a parametric single superconducting qubit drive for a single superconducting qubit within the set of superconducting qubits or a parametric resonant interaction between a pair of superconducting qubits within the set of superconducting qubits when one or more first frequency signals on the first control line and one or more second frequency signals on the second control line satisfy a specified condition.

Abstract: The present application relates to processes for the preparation of quinolone compounds and intermediates thereof, particularly to processes for the preparation of quinolones and pharmaceutical intermediates of the quinolones. In particular, the present application provides a process for the preparation of a compound of Formula I, and a process for the synthesis of quinolone compounds using the compound of Formula I as an intermediate.

Abstract: A method for simulating and predicting deep reservoir structural fractures in consideration of thickness change is disclosed. The method firstly calculates a structural fracture apparent density by using a stress-based reservoir structural fracture prediction formula group, secondly obtains structural fracture linear density based on simulation experiment, thickness unit division and reservoir structural fracture prediction optimization formula, finally carries out a reliability judgment based on the structural fracture linear density, the apparent density and the measured inspection values by using parameter inspection and error analysis. The above method can effectively reduce the difficulty and cost of energy development.

Abstract: The anti-dive control method for the automobile comprises: obtaining preset automobile operating condition parameters, and obtaining parameter values of the automobile operating condition parameters in real time; determining in real time whether the parameter values of the automobile operating condition parameters satisfy a preset first trigger condition or a preset second trigger condition; if the parameter values of the automobile operating condition parameters satisfy the preset first trigger condition, obtaining a preset first control strategy corresponding to the first trigger condition; implementing real-time control of the suspension damping force of the automobile according to the first control strategy; if the parameter values of the automobile operating condition parameters satisfy the preset second trigger condition, obtaining a preset second control strategy corresponding to the second trigger condition; and implementing real-time control of the suspension damping force of the automobile according

Abstract: A method for coating an optical substrate with an anti-reflection multilayered stack is provided. The method includes depositing a stack of dielectric layers having alternate index of refraction over a substrate, to form an anti-reflective coating. The method also includes depositing a first layer of low refractive index material on top of the stack of dielectric layers, etching the first layer of low refractive index material with a solvent at a selected temperature, and conformally depositing a sealant material over the first layer of low refractive index material to complete the anti-reflective coating. A headset for virtual reality, augmented reality, or mixed reality applications including optical components having an anti-reflection coating fabricated per the above method is also provided.

Abstract: A quantum node includes one or more communication qubits, one or more interior qubits coupled to the one or more communication qubits with interior tunable couplers, a communication tunable coupler coupled to each of the one or more communication qubits, and a communication resonator coupled to each of the communication tunable couplers. In addition, a distributed quantum computing system includes two or more quantum nodes, and one or more coaxial cables or coplanar waveguides connecting the two or more quantum nodes together using at least one of the communication resonators of the two or more quantum nodes. Entanglement and fabrication methods of the quantum nodes are also described.

Abstract: A device includes an opto-acoustic transducer configured to convert between an optical signal and an acoustic signal, an electro-acoustic transducer coupled to a microwave resonant circuit and configured to convert between an acoustic signal and a microwave signal, and an acoustic waveguide coupling the opto-acoustic transducer to the electro-acoustic transducer.

Abstract: The present invention relates to the field of display, and in particular to an LCD display having an increased contrast structure, comprising: a backlight layer (1), a backlight control layer (2), and a light display layer (3). The backlight layer (1), the backlight control layer (2), and the light display layer (3) are successively connected; the backlight layer (1) is configured to emit a light source; the backlight control layer (2) filters the light source emitted by the backlight layer (1); the light display layer (3) is provided with a light display surface (305), and the light display surface (305) displays visible light filtered by the backlight control layer (2).

Abstract: Embodiments of this application disclose a calibration method, apparatus, and system, and relate to the calibration field, to improve calibration efficiency of a new energy vehicle and an intelligent vehicle, and reduce calibration costs. A specific solution is as follows: First, an observation signal of a to-be-tested system is obtained. Next, a corresponding performance index is calculated based on the observation signal of the to-be-tested system. Then, an updated calibration parameter is obtained by using an optimization algorithm based on the performance index, a constraint condition, and at least one objective function, where the objective function indicates a function relationship between performance indexes. Finally, the updated calibration parameter is sent to a controller.