Abstract: The present invention provides a polymer molecule, a monomeric structure and a polymeric structure comprising same, a related product, a preparation method, and uses. A polymer blocking the binding to a receptor is formed by the polymerization effect of the polymer molecule, thus effectively increasing the binding capability with respect to a virus. The polymer molecule is characterized in that: multiple binding-blocking molecular units used for blocking the binding between the virus and a cell receptor are polymerized into the polymeric structure.

Abstract: A nose respirator device with a holder connected to a base. The holder has a top which is configured to sit on nasal bridge and is joined on each side with an arm which extends downward and joins the base which is configured to sit across subnasale underneath nose tip. The base contains two separate open cavities, each open cavity has an upper opening shaped like a cone suitable for insertion into a nostril. Each open cavity of the two separate open cavities can be further divided by a separator into two channels. Valves installed along inside wall of each channel control air flow as the valves are configured to open only in one direction when being pushed by air current. Filters can be fitted into each cavity or each channel within each cavity for air cleaning.

Abstract: A nose respirator device with a holder connected to a base. The holder has a top which is configured to sit on a nasal bridge and is joined on each side with an arm which extends downward and each arm joins the base which is configured to sit across a subnasale underneath nose tip. The base contains two separate open cavities, each open cavity has an upper opening shaped like a cone suitable for insertion into a nostril. Each open cavity of the two separate open cavities can be further divided by a separator into two channels. Valves installed along inside wall of each channel control air flow as the valves are configured to open only in one direction when being pushed by air current. Filters can be fitted into each cavity or each channel within each cavity for air cleaning.

Abstract: A cold-formed glass laminate (100) may include a first ply (108) of 3D formed glass with a first thickness, a first strength, and a first coefficient of thermal expansion. The laminate (100) may also include a second ply (110) of 3D formed glass with a second thickness less than the first thickness, a second strength greater than the first strength, and a second coefficient of thermal expansion. The second coefficient of thermal expansion may be selected to be sufficiently higher than the first coefficient of thermal expansion to induce residual compressive stresses in the first ply (108) due to cold forming therewith. An adhesive layer (112) may be arranged between the first ply (108) and the second ply (110).

Abstract: A method and a system for identifying a glacial lake outburst debris flow (GLODF) are provided. The method is obtained based on considering induced influences of slopes of channels and particle sizes of source particles on the GLODF. The method not only compensates for deficiencies in identifying the GLODF, but also realizes determination of the GLODF, which provides data basis for disaster prevention and control layout such as monitoring and early warning on a glacial lake and assists preventing and managing disasters caused by the GLODF. Meanwhile, multiple parameters used in the method are easy and convenient to obtain, and the parameters can be directly used on site, which saves engineering cost, improves working efficiency, and has high practical and promotional value in environmental protection and disaster prevention and mitigation.

Abstract: A method for determining a consistency coefficient of a power-law cement grout includes: determining a water-cement ratio of the power-law cement grout; according to engineering practice requirements, determining a time required to determine the consistency coefficient of the power-law cement grout; and obtaining the consistency coefficient of the power-law cement grout. The method is accurate and reliable, requires less calculation, etc.; and has very high practical value and popularization value in environmental protection and ecological restoration.

Abstract: A method for determining a three-dimensional tortuosity of a loose and broken rock-soil mass, includes the following steps: a particle grading curve of the loose and broken rock-soil mass is obtained by utilizing a particle size analysis, and followed by calculating an equivalent particle size and an average particle size; a porosity of the loose and broken rock-soil mass is obtained by utilizing a moisture content test, a density test, and a specific gravity test; the three-dimensional tortuosity of the loose and broken rock-soil mass is obtained by utilizing the equivalent particle size, the average particle size and the porosity of the loose and broken rock-soil mass. The method has the advantages of simple logic, accuracy and reliability, simple and fast parameter determination, and has high practical value and promotion value in the field of environmental protection and ecological restoration technology.

Abstract: A visual tracking system helps to detect or locate an active object (such as an active sound source) in a live video or recorded video, and provides a way to help a user who views the live video or recorded video to focus on the active object, without easily being disturbed or distracted by other objects that are present with the active object. The visual tracking system may further track the active object, or detect a new active object when the live video or recorded video is played.

Abstract: A method including searching, on the basis of a voiceprint feature of a speaker, for an identifier of the speaker in a speaker registry, the voiceprint feature of the speaker being a parameter obtained according to a voice signal of the speaker captured by a microphone array; if position information corresponding to the identifier of the speaker in the speaker registry is different from position information of the speaker, updating the speaker registry, the position information of the speaker being a parameter obtained according to the voice signal of the speaker captured by the microphone array; and labeling the voice signal of the speaker with the identifier of the speaker, so as to track the speaker. The present disclosure enables voice tracking of multiple persons.

Abstract: Apparatuses, methods, and systems for generation of antenna tower structures are disclosed. One method includes receiving structure requirements of a tower, iterating a design of the tower, including selecting tower design features, determining a structural model from the structure requirements and the tower design features, defining an outline of the tower based on structure requirements and tower design features, defining nodal points of the design of the tower based on the outline, defining line-elements of the design of the tower based on the nodal points, performing low-order structural analysis based on the structural model and a modeled behavior assigned to the line-elements including determining a wind load for each line element, determining nodal displacements and material failure indices based at least on the wind load for each line element, and redetermining the structural model when the nodal displacements and material failure indices indicate failure.

Abstract: An aerogel is formed by preparing metal-organic framework (MOF) aerogels by preparing a porous solid comprising a metal precursor for the metal-organic framework (MOF) aerogels, and transforming the metal precursor into the MOF by reacting the porous solid with organic ligands mixed with a solvent. The solvent is then removed by supercritical extraction and drying.

Abstract: A grease pumping device includes a pump body, a driving mechanism, a plunger pair, a reversing valve and a lever mechanism. A switching action between each valve position of a valve core of the reversing valve is driven by the lever mechanism. An output rotating shaft drives a toggle member rotating therewith, and when the output rotating shaft rotates reciprocally in forward and reverse directions, the toggle member toggles the lever mechanism in the forward and reverse directions, such that the lever mechanism swings reciprocally. At least one of the lever mechanism and the toggle member is an elastic structure, when the output rotating shaft rotates, the toggle member contacts the lever mechanism and drives the valve core to operate, when the valve core is switched to a corresponding valve position, the toggle member and the lever mechanism slide relatively by elastic deformation of the elastic structure.

Abstract: A control device capable of providing rotational damping through a magnetic force is provided directly at the base of an electronic product and includes a supporting member, an adjusting member, and two magnetic members. The supporting member is provided at the base. The adjusting member is rotatably provided on the supporting member. The adjusting member has a bottom portion corresponding to a switch pre-installed in the base. The adjusting member further has a head portion outside the base. The two magnetic members are provided on the supporting member and the adjusting member respectively. The two magnetic members generate a magnetic force therebetween and thereby change the rotational damping between the supporting member and the adjusting member.

Abstract: A cold-formed glass laminate (100) may include a first ply (108) of 3D formed glass with a first thickness, a first strength, and a first coefficient of thermal expansion. The laminate (100) may also include a second ply (110) of 3D formed glass with a second thickness less than the first thickness, a second strength greater than the first strength, and a second coefficient of thermal expansion. The second coefficient of thermal expansion may be selected to be sufficiently higher than the first coefficient of thermal expansion to induce residual compressive stresses in the first ply (108) due to cold forming therewith. An adhesive layer (112) may be arranged between the first ply (108) and the second ply (110).

Abstract: A control device capable of providing rotational damping through an elastic force is provided directly at the base of an electronic product and includes an adjusting member and an elastic member. The adjusting member is rotatably provided at the base. The adjusting member has a bottom portion corresponding to a switch provided in the base. The adjusting member further has a head portion outside the base. The elastic member is provided between the adjusting member and the base. The elastic force of the elastic member acts between the head portion of the adjusting member and the base to change the rotational damping to which the adjusting member is subjected.

Abstract: A methodology of detecting pathogens captured respectively from the inhalation and the exhalation in human breathing is disclosed. More particularly, a method is described for simultaneously detecting pathogens captured on sensors placed respectively inside an inhalation channel and an exhalation channel of a nose respirator.

Abstract: A nose respirator device with a holder connected to a base, the holder has a top sitting across the nasal bridge and two arms extending downward to join with the base, which sits across the subnasale and contains two open cavities with upper openings capable of being inserted into each nostril. Each cavity can be further divided by a separator into two channels for inhalation and exhalation, respectively. One-way air flow in each channel can be further ensured with valves, which open only in one direction upon the push of air current. Filters can be fitted into each cavity or channel for air cleaning. One or more attachments can be fitted onto the base for additional purposes, which include extra filtration and disinfection. The area within the holder and the base can be covered with a sheet, which can also be used for device classification and user identification.

Abstract: The present disclosure is directed toward methods, non-transitory computer-readable media, and systems for trajectory optimization in a high-altitude, long-endurance aircraft. For example, the systems described herein can generate an optimized flight plan for an aircraft during active flight of the aircraft by utilizing a greedy algorithm with buffering. In one or more embodiments, the systems described herein identify a plurality of possible states and select a predetermined number of the top possible states (based on energy change associated with transitioning to each possible state) at each incremental time period within a flight time window starting from an initial state to a plurality of possible states for a final incremental time period. Furthermore, in some embodiments, the systems described herein select a final state based on a final energy associated with the final state and determine a flight plan for the aircraft from the initial state to the selected final state.

Abstract: A press-key with a multiple-trigger mechanism includes a base, an alphanumeric key assembly, and at least two elastic members. The alphanumeric key assembly includes a coupling assembly provided on the base. The at least two elastic members are provided on the base and under the alphanumeric key assembly. One of the elastic members has a different height from the remainder of the elastic members. When the alphanumeric key assembly is moved toward the base, the elastic members are separately driven by the alphanumeric key assembly to press and thereby activate a switch such that different electrical signals are generated. The operability and trigger response of the press-key can be flexibly adjusted according to user needs so that the press-key can be operated rapidly and respond in real time.

Abstract: A control device capable of providing rotational damping through a magnetic force is provided directly at the base of an electronic product and includes a supporting member, an adjusting member, and two magnetic members. The supporting member is provided at the base. The adjusting member is rotatably provided on the supporting member. The adjusting member has a bottom portion corresponding to a switch pre-installed in the base. The adjusting member further has a head portion outside the base. The two magnetic members are provided on the supporting member and the adjusting member respectively. The two magnetic members generate a magnetic force therebetween and thereby change the rotational damping between the supporting member and the adjusting member.