Abstract: Provided is a recombinant oncolytic virus composition, comprising a first recombinant oncolytic virus and a second recombinant oncolytic virus. Both the first and second recombinant oncolytic viruses comprise a herpes simplex virus vector and an exogenous gene, the exogenous gene is encoded from one of cytokine, a monoclonal antibody having a tumor preventative and/or treatment function, tumor antigens, prodrug invertase, tumor suppressor polypeptide, antisense RNA or small RNA, wherein the exogenous genes in the first and the second recombinant oncolytic viruses are different. Also provided is an application of the recombinant oncolytic virus composition in preparation of a medicament drug for treating tumors.

Abstract: A method and a device for constructing a redundancy-removed coprime radar array based on one-bit quantization. The method includes obtaining a first sub-array element and a second sub-array element both used for constructing a redundancy-removed coprime radar array, and determining a redundancy-removed coprime array respectively corresponding to the first sub-array element and the second sub-array element by a graph theory method; obtaining target echo data of the redundancy-removed coprime array, and obtaining a target radar array by performing one-bit quantization on the target echo data for completing array cavities of the redundancy-removed coprime array; moreover, before the completing, positions of all non-empty array elements in a redundancy coprime array are used to place radars, and before the completing, the radars are not arranged in positions of empty array elements.

Abstract: A system and related method can self-adaptively absorb a flexural wave acting on a beam. The method includes the steps of receiving an input signal representing a frequency response of a flexural wave acting on the beam, determining a spring constant for absorbing the flexural wave based on the input signal, a damping value of a damper acting on the beam, and a mass value of a mass acting on the beam, and applying a spring constant voltage based on the spring constant to a piezoelectric device connected to the beam. The piezoelectric device has a variable spring value that varies based on the voltage applied to the piezoelectric device. The piezoelectric device's variable spring value is approximately equal to the spring constant value when the spring constant voltage is applied to the piezoelectric device.

Abstract: An adaptive characteristic spectral line screening method and system based on atomic emission spectrum are provided, the method includes: using a set characteristic screening optimization method to perform a plurality of optimization rounds of characteristic screening, obtaining an initialized spectral dataset of each round of the characteristic screening and initialized characteristic population genes; obtaining an optimal characteristic population gene of each round by a set analysis method, a fitness function, and an iteration of a genetic algorithm; obtaining an optimized characteristic spectral information set when the plurality of optimization rounds reach set optimization rounds; performing combination statistics and discriminant analyses on the optimized characteristic spectral information set to complete an adaptive characteristic spectral line screening.

Abstract: A locking device for an electric nail gun powered by a gas spring, comprising: a power box, a striker, a fixed central shaft having a notch, a rotatable locking block on the fixed central shaft, which by rotating engages or disengages from the notch to lock or unlock the striker, a tension spring, a guide pad, synchronously rotating with the fixed central shaft and located above the locking block, with the upper part of the guide pad being secured by a lock nut, a pressure plate on the power box, fixed and perpendicular to the striker, secured by a first bolt and a second bolt, a sleeve fitted over the first bolt, and an integral guide part of the guide pad, with its upper surface tightly against the underside of the pressure plate and its side surface closely adjacent to the sleeve.

Abstract: Embodiments described herein relate to a bi-functional thermal cooling system. The bi-functional thermal cooling system includes a first body, a second body, and a third body. The second body has a first plurality of Weyl semimetal nanostructures. The second body is spaced apart from the first body. The third body has a second plurality of Weyl semimetal nanostructures. The third body is spaced apart from the second body. The second body and the third body are each configured to independently rotate with respect to the first body to change an optical property of the first plurality of Weyl semimetal nanostructures of the second body and an optical property of the second plurality of Weyl semimetal nanostructures of the third body.

Abstract: A system for manufacturing a structure includes a supporting frame assembly moveable in a vertical direction of the structure. Further, the system includes an additive printing assembly secured to the supporting frame assembly. The additive printing assembly includes at least one printer head configured to dispense a first cementitious material. The system also includes a reinforcement dispensing assembly supported by the supporting frame assembly. Thus, the reinforcement dispensing assembly is configured to automatically and continuously dispense a plurality of reinforcing members as the structure is printed and built up via the at least one printer head and as the supporting frame assembly moves in the vertical direction.

Abstract: A method and a device for constructing a redundancy-removed coprime radar array based on one-bit quantization. The method includes obtaining a first sub-array element and a second sub-array element both used for constructing a redundancy-removed coprime radar array, and determining a redundancy-removed coprime array respectively corresponding to the first sub-array element and the second sub-array element by a graph theory method; obtaining target echo data of the redundancy-removed coprime array, and obtaining a target radar array by performing one-bit quantization on the target echo data for completing array cavities of the redundancy-removed coprime array; moreover, before the completing, positions of all non-empty array elements in a redundancy coprime array are used to place radars, and before the completing, the radars are not arranged in positions of empty array elements.

Abstract: Systems and other embodiments described herein relate to a sound device that mitigates sound near airflow openings through acoustic resonance while exhibiting a compact form. In one embodiment, a method sound includes a body coupled to an opening of a duct having noise from airflow, the body surrounding a circumference of the opening and the body is located at an endpoint of the duct. The sound device also includes the body having a cavity with a first partition and the cavity is divided by the first partition, and the cavity forming an acoustic resonator at target frequencies that mitigates the noise by reflecting sound waves.

Abstract: A method of manufacturing a tower structure includes printing and depositing, via a printhead assembly of an additive printing system, one or more printed layers of a wall of the tower structure. The method also includes unwinding at least one continuous roll of a reinforcement material to form at least one continuous reinforcement ring member layer, the reinforcement material comprising a pultruded polymer material. Further, the method includes placing the at least one continuous reinforcement ring member layer atop the one or more printed layers of the wall of the tower structure. Moreover, the method includes printing and depositing, via the printhead assembly of the additive printing system, one or more additional printed layers of the wall of the tower structure atop the at least one continuous reinforcement ring member layer.

Abstract: Described herein are absorbers for absorbing vibrations acting upon a structure and methods for making the same. In one example, the absorber may be designed by defining a design domain for the absorber and utilizing a topological optimization process to design a shape of the absorber within the design domain to maximize the absorption performance of the absorber.

Abstract: A flexural wave absorber includes a metasurface with an inner portion, an outer portion, and a plurality of beam strips extending between the inner portion and the outer portion. The metasurface also includes a plurality of coupled resonators disposed on the plurality of beam strips. The plurality of coupled resonators can include a lossy resonator and a lossless resonator, two lossy resonators and a lossless resonator, or a lossy resonator and two lossless resonators. In addition, each of the plurality of beam strips can have multiple pairs of coupled resonators disposed thereon that work at or absorb different frequency ranges.

Abstract: A tower structure particularly suited for a wind turbine includes a lower tower section formed of concrete and an upper tower section formed of steel. A transition system connects the upper tower section to the lower tower section, the transition system including a concrete component having a tubular wall with a base portion fixed on the lower tower section and a head portion connected to the upper tower section. The head portion extends radially outward beyond the upper tower section. A plurality of first tensioning tendons extend longitudinally at least partially through the tubular wall and are anchored to the concrete component at a top face of the head portion at locations radially outward of the upper tower section.

Abstract: Embodiments described herein relate to a self-adaptive thermal management system. The thermal management system includes a first body, a second body, and a third body. The second body has a first layer and a second layer formed from a Weyl semimetal and a third layer sandwiched between the first layer and the second layer. The third layer is formed from a vanadium dioxide film. The second body is spaced apart from the first body. The third body is spaced apart from the second body. The second body is a modulator configured to transition between a metallic phase and an insulating phase dependent on a temperature to regulate a heat from the first body to the third body through the second body in a self-adaptive manner dependent on the temperature.

Abstract: A sensor includes a tweezer source configured to manipulate a defect nanoparticle in a liquid to a desired position in an enclosure containing the liquid and a light source configured to optically excite the defect nanoparticle in the liquid at the desired position. The sensor also includes a radio frequency (RF) excitation source configured to RF excite the defect nanoparticle in the liquid at the desired position and an optical detector configured to receive an optical signal emitted from the optically excited defect nanoparticle.

Abstract: A system and method are provided for manufacturing a tower structure. Accordingly, an interlocking form ring is additively manufactured with a first printhead assembly. The interlocking form ring defines a plurality of recesses in a radially inner or a radially outer face. A cementitious material is deposited within one or more of the recesses with a second printhead assembly. At least one reinforcing member is positioned within the recess with the second printhead assembly. The second printhead assembly is positioned adjacent to the cementitious material during the curing thereof so as to provide a slip form for the curing of the cementitious material.

Abstract: A loose nail driving device for wooden pallets, comprising a crossbeam, with its lower part allowing semi-finished pallets to pass through, multiple support slides arranged on the crossbeam, which can slide to achieve position adjustment in the transverse direction of the crossbeam. A nailing unit is arranged on the support slides, used for nailing operations at various foot block positions of the semi-finished pallets. The nailing unit includes a frame and a nail driving assembly arranged on the frame. The frame is connected to the support slides through a lifting cylinder. A rotatable large gear and a driving mechanism for driving the large gear are configured on the base frame of the frame. An eccentric hole is machined on the disk surface of the large gear, and the lower end of the nail head of the nail driving assembly is configured within the eccentric hole through a first bearing.

Abstract: A locking device for an electric nail gun powered by a gas spring, comprising: a power box, a striker, a fixed central shaft having a notch, a rotatable locking block on the fixed central shaft, which by rotating engages or disengages from the notch to lock or unlock the striker, a tension spring, a guide pad, synchronously rotating with the fixed central shaft and located above the locking block, with the upper part of the guide pad being secured by a lock nut, a pressure plate on the power box, fixed and perpendicular to the striker, secured by a first bolt and a second bolt, a sleeve fitted over the first bolt, and an integral guide part of the guide pad, with its upper surface tightly against the underside of the pressure plate and its side surface closely adjacent to the sleeve.

Abstract: The present disclosure provides a method performed by an electronic device, an electronic device, a storage medium and a program product, relating to the field of computer vision, image processing and artificial intelligence. The method includes: extracting at least one object center area and at least one object boundary area from a first image; and aligning the extracted object center area with the object boundary area to obtain an object segmentation result of the first image.

Abstract: An optimized nail gun firing structure, which includes a magazine, a guide plate connected to the top of the magazine, a striking pin guided for linear reciprocating motion by the guide plate, and a cover assembly connected to the guide plate. The magazine comprises a fixed plate, a movable plate, and a magazine seat rigidly connected to the bottom of the movable plate. A hook lock assembly forms a connection between the fixed plate and the magazine seat. Inside the magazine, a push plate is disposed, and a compression spring is configured between the push plate and the magazine seat, continuously pushing nails towards the guide plate. The guide plate comprises a separable first guide plate and a second guide plate. The first guide plate is connected to the fixed plate via fasteners, and the second guide plate is connected to the movable plate via fasteners.