Abstract: A packaging box includes a box body and at least one side cover. The box body includes a first sheet, a second sheet, a first opening, a second opening, and a first side portion. The second sheet is arranged opposite to the first sheet. The first sheet, the second sheet, and the first portion have a detachable sheet. The side cover covers the first opening and includes a first body sheet covering the first opening and a second body sheet fixed to the first opening with a protruding sheet. When the detachable sheet is detached, the box body is folded in half and the protruding sheet is bent and inserted into the second opening to fix the folded box body. A part of the box body where the detachable sheet is detached is used as a fixing portion. The packaging box serves packaging and supporting by changing shape.

Abstract: A magnesium-based fly ash porous sound-absorbing material with a surface hydrophobically modified, and a preparation method thereof are provided. In the preparation method, a basic magnesium sulfate cement is adopted as a cementing agent and a fly ash is adopted as a mineral admixture to prepare a slurry; foaming is conducted through a physical foaming process in a foaming machine to obtain a foam; and the foam is mixed with the slurry, and a resulting mixture is poured and cured, and then subjected to a surface hydrophobic modification through vapor deposition to obtain the sound-absorbing material. The sound-absorbing material has a density of 251 kg/m3 to 306 kg/m3, a noise reduction coefficient (NRC) of 0.65 to 0.7, a compressive strength of 1.8 MPa to 2.2 MPa, and a water contact angle of 129° to 151°.

Abstract: A computer system for failing a secure boot in a case tampering event comprises a trusted platform module (TPM), for generating a plurality of random bytes for a secure boot of the computer system; a bootloader, for storing information in at least one hardware of the computer system and performing the secure boot, wherein the information comprises the plurality of random bytes, and the TPM is comprised in the bootloader; an operating system (OS), for performing the secure boot; and at least one sensor, for detecting a case tampering event in the computer system, and transmitting a signal for triggering a deletion of the plurality of random bytes, if the case tampering event happens in the computer system. The bootloader or the OS performs the operation of deleting the plurality of random bytes stored in the at least one hardware to fail the secure boot, in response to the signal.

Abstract: A computer system for failing a secure boot in a case tampering event comprises a microcontroller unit (MCU); a trusted platform module (TPM), for generating random bytes for a secure boot of the computer system; a bootloader, for storing information comprising the random bytes in the MCU and at least one hardware of the computer system and performing the secure boot, wherein the TPM is comprised in the bootloader; an operating system (OS), for performing the secure boot; and at least one sensor, coupled to the MCU, for detecting a case tampering event, and transmitting a signal for triggering a deletion of the random bytes, if the case tampering event happens. The MCU performs the operation of deleting the random bytes stored in the MCU and the at least one hardware according to a power supply, in response to the signal.

Abstract: The present invention discloses a six-phase switched reluctance motor, and a sensorless rotor position estimation method and system. The six-phase switched reluctance motor includes a stator assembly and a rotor assembly, the stator assembly includes a stator core, the stator core includes stator teeth and a stator yoke, and the stator teeth are provided with windings; and the number Ns of the stator teeth is a multiple of 6, every six adjacent windings form a six-phase winding, a plurality of sets of six-phase windings are provided, one ends of each set of six-phase windings are connected to each other to form a common terminal, and the other ends of each set of six-phase windings are connected to a controller interface.

Abstract: The invention provides pharmaceutically acceptable acid salts of (S)-2-(3S,8S)-3-(4-(3,4-dichlorobenzyloxy)phenyl-7-((S)-1-phenylpropyl)-2,3,6,7,8,9-hexahydro-[1,4]-dioxino[2,3-g]isoquinolin-8-ylformylamino)-3-(4-(2,3-dimethylpyridin-4-yl)phenyl) propionic acid (“OAD2”) and the preparation method thereof. The pharmaceutically acceptable acid salts of OAD2 provided herein may be useful in the treatment of various conditions and metabolic disorders including, but not limited to, type 2 diabetes.

Abstract: The invention relates to a crystal form A of (S)-2-(3S,8S)-3-(4-(3,4-dichlorobenzyloxy)phenyl-7-((S)-1-phenylpropyl) -2,3,6,7,8,9-hexahydro-[1,4]-dioxino[2,3-g]isoquinolin-8-ylformylamino)-3-(4-(2,3-dimethylpyridin-4-yl)phenyl)propionic acid (“OAD2”) , and methods of preparation thereof. Crystal form A may be useful in the treatment of various conditions and metabolic disorders including, but not limited to, type 2 diabetes.

Abstract: The invention discloses a preferable short arc initial orbit determining method based on Gauss solution cluster, and belongs to the astrodynamics field, including: grouping the observation data, using Gauss method to obtain the target state vector at the corresponding time point for each group of data, forming a solution set of preliminary estimation; dividing the solution set of preliminary estimation into a position component vector solution set and a velocity component vector solution set for clustering to obtain a position component vector solution cluster and a velocity component vector solution cluster; based on the position component vector solution cluster and the velocity component vector solution cluster, generating a two-dimensional trajectory solution set; evaluating each of the two-dimensional trajectories by using a trajectory optimal method, calculating the number of root of orbits corresponding to the optimal two-dimensional trajectory, thereby completing determination of initial orbit.

Abstract: The present disclosure is related to automatic collimator installation systems and methods. An automatic collimator installation method may include obtaining an installation instruction for installing a target collimator into a medical scanner; identifying, from a plurality of collimators stored in a collimator storage device, the target collimator based on the installation instruction; using a cart to transport the target collimator from the collimator storage device to the medical scanner; and automatically installing, using the cart, the target collimator into the medical scanner.

Abstract: A window structure for a pet transporter is provided. The window structure being formed by stamping a metal plate to create a panel body comprising a plurality of through holes disposed proximal to a selected portion of the panel body, and a plurality of first attachment portions provided around the periphery of the panel body. The pet transporter having a box body comprising an opening comprising a plurality of second attachment portions provided around the periphery of the opening. The first and second attachment portions co-operate to form an attachment mechanism that causes a releasable securement of the window structure to the pet transporter, and the plurality of through holes co-operate with the opening to allow light and air to be transmitted in and out of the pet transporter.

Abstract: The present disclosure provides a high-activity memory-improving derivative peptide and use thereof in preparation of memory-improving medicaments, health care products or foods, and belongs to the field of biotechnology. According to the present disclosure, proline 3 (Pro3) of a pine nut high-activity memory-improving peptide, WYPGK, is completely substituted with common amino acids to obtain 19 derivative peptides, and the derivative peptides are subjected to molecular docking with mitochondrial deacetylase sirtuin 3 and are screened by binding energy to obtain derivative peptides WYEGK, WYKGK, WYSGK, and WYFGK; solid-phase chemical synthesis is conducted by a peptide synthesizer; the derivative peptides are purified by reversed phase high performance liquid chromatography (RP-HPLC) and prepared by electrospray ionization mass spectrometry (ESI-MS). Morris water maze for scopolamine-induced memory impairment model mice demonstrates that the derivative peptides have high memory-improving activity.

Abstract: Methods are provided for repairing an existing structure to cover at least a portion of the existing structure with a repair structure. Such methods comprise mounting one or more standoff retainers to the existing structure; coupling one or more standoffs to the standoff retainers such that the standoffs extend away from the existing structure; coupling one or more cladding panels to the standoffs such that the panels are spaced apart from the structure to provide a space therebetween; and introducing a curable material to the space between the panels and the existing structure, the panels acting as at least a portion of a formwork for containing the curable material until the curable material cures to provide a repair structure cladded, at least in part, by the panels. Corresponding apparatus for effecting such methods are also provided.

Abstract: The embodiments of the present disclosure disclose a method and system for controlling a device. The device control method includes: determining one or more sets, wherein the one or more sets include one or more preset rules each of which corresponds to a set of the one or more sets; including a first device into a first set of the one or more sets based on information of the first device; and controlling the first device in the first set to perform a corresponding operation according to a preset rule corresponding to the first set.

Abstract: The present disclosure, in some embodiments, relates to a method of developing a photosensitive material. The method includes forming a photosensitive material over a substrate. The photosensitive material is exposed to electromagnetic radiation focused at a plurality of different heights over the substrate. The plurality of different heights are vertically separated from one another and are disposed within the photosensitive material along a vertical path that extends in a direction perpendicular to an upper surface of the photosensitive material. The photosensitive material is developed to remove a soluble region.

Abstract: The present disclosure, in some embodiments, relates to a photolithography tool. The photolithography tool includes a source configured to generate electromagnetic radiation. A dynamic focal system is configured to provide the electromagnetic radiation to a plurality of different vertical positions over a substrate stage. The plurality of different vertical positions include a first position having a first depth of focus and a second position having a second depth of focus that is below the first depth of focus and that vertically overlaps the first depth of focus.