Abstract: Provided herein are systems and methods for enhancement of polyphenols, such as chlorogenic acids, chicoric acid, anthocyanins, and water-soluble quercetin derivatives, production in red lettuces. Also provided are transgenic lettuce for the production of polyphenols. Also provided are parts of such transgenic lettuces, such as seeds leaves, and extracts. The disclosure also provides methods of using the new lettuces and parts thereof for protection against viral/bacterial infection (i.e., by inhibiting activities of COVID-19 virus/enzymes) diabetes, cardiovascular diseases, memory and eyesight loss, inflammation, and cancer.

Abstract: The disclosure relates to the technical field of detection devices, and provides a carved code quality detection apparatus and system, wherein the carved code quality detection apparatus includes: a support assembly, including a guide rod, a baffle and a first support plate, the guide rod extending along the height direction, the baffle being fixedly connected to the upper end of the guide rod, and the first support plate being fixedly connected to the lower end of the guide rod; a visual detection system, including an imaging assembly movably connected to the guide rod; and a driving assembly, arranged on the baffle and connected to the imaging assembly, the driving assembly being configured to drive the imaging assembly. The technical solutions can achieve online detection of the carved code quality of a member to be detected, thereby reducing the risk of false detection or missed detection caused by manual visual inspection.

Abstract: A method for assessing microbial drug resistance multi-level risks of antibiotic residues in water environments, belonging to the technical field of water environment assessment, comprises the following steps: S1, environment monitoring; S2, preliminary screening of antibiotics: S2-1, determination of n-octanol/water partition coefficient, and S2-2, determination of antibiotic environment concentration; S3, assessment of microbial drug resistance; and S4, high-level assessment. The assessment method of the present disclosure conducts a step-by-step assessment of target antibiotics or target antibiotic derivatives in water environment with risks.

Abstract: Disclosed is a multifunctional GNSS antenna belonging to the technical field of communication technology, comprising: a PCB, a first dielectric plate, and a first radiating component arranged in sequence, wherein the PCB is connected with the first radiating component by a first feeding component, a second radiating component and a plurality of metalized vias are arranged on the first dielectric plate, the second radiating component is connected with the PCB by a second feeding component, the plurality of metalized vias are arranged around the first radiating component, and the second radiating component is arranged on an outer side of the plurality of metalized vias. The metalized vias increase the capacitive coupling and form the protection for the first radiating component located therein, which reduces the signal interference and coupling of the third radiating component to the first radiating component effectively, which is conducive to implementation miniaturization of the antenna.

Abstract: The present disclosure discloses a triphenylphosphine-modified sertraline derivative, a prepare method and an application thereof, a structural formula is as follows: wherein n=1, 3, 5, 7, 9 or 11. The present disclosure can be used as an inducer for mitophagy for the prevention and/or treatment of mitophagy-related diseases including tumors and neurodegenerative diseases.

Abstract: Methods and systems are provided for improving user authentication and access control by a network file system service in a multi-tenant public cloud environment by receiving a request for a connection to a file system from a file system client (client), sending an identification request for identification authentication of the client to a control system, receiving a response from the control system, establishing the connection to the file system upon determining that the connection to the file system is allowed based on cloud tenant information associated with the client, receiving an attempt to access the file system from the client by a sub-user, authenticating the sub-user based on the cloud tenant information, issuing a security token including a globally unique sub-user identifier of the sub-user, and using the security token to determine access rights of the sub-user to the file system for a subsequent request.

Abstract: An apparatus for preventing and controlling secondary generation of hydrates in a wellbore during depressurization exploitation of offshore natural gas hydrates includes a gas recovery pipe column, a water recovery pipe column, a gas-liquid mixed transportation pipe section, a data collecting and processing unit, and a reaction control apparatus; according to characteristics of different exploitation pipe columns, three injection pipelines and three monitoring points are arranged to predict dynamic changes in a secondary generation risk of the hydrates throughout the wellbore; measures for preventing and controlling the secondary generation of the hydrates are taken at different pipe column positions by the integrated utilization of inhibitor injection, heating for pipe columns, the additional arrangement of electric submersible pumps, and other methods.

Abstract: A hot extrusion die for a special-shaped square pipe includes a die cavity sleeve with a special-shaped cavity. A hot extrusion mandrel is arranged in the die cavity sleeve. An area between the die cavity sleeve and the hot extrusion mandrel forms a die cavity hole. A first extrusion diversion hole and a second extrusion diversion hole are arranged below the die cavity hole. An integral centroid of the die cavity hole is located at a circle center of a radial cross section of the die cavity sleeve. Further disclosed is a hot extrusion integral forming method for a special-shaped square pipe, including: heating and expanding a blank material; heating the blank material again after expanding; performing hot extrusion on the blank material; and cooling the formed special-shaped square pipe in air to a room temperature, and inspecting surface quality and mechanical properties of the special-shaped square pipe.

Abstract: A power device and a power tool are provided, including a motor and a transmission gear set. The transmission gear set includes a driving gear and a driven gear, a speed of the motor is from 5000 rpm to 11000 rpm, a diameter is from 20 mm to 50 mm, and a volume is from 600 mm3 to 2200 mm3. A weight is from 90 g to 260 g. A reduction ratio of the driving gear to the driven gear is from 2 to 7. The power tool of the disclosure adopts an outer rotor motor with a smaller rotor diameter and a lower rotating speed, which reduces a volume and weight of the overall device, is easy to mount and carry, and increases a battery life.

Abstract: The present invention relates to a composite material for improving metal conductivity and a method of preparing the same. The composite material includes a composite of n A-B-A structures, where A is a graphene fragment layer, B is a metal foil layer, and n is an integer greater than or equal to 2; and the graphene fragment layer includes graphene fragments uniformly laid flat on the metal foil layer. The conductivity of the conventional metal material is increased by at least 18%, and the conductivity of the conventional metal material in a bending state remains almost the same as in a normal state.

Abstract: The present disclosure discloses an optical imaging lens group including, sequentially from an object side to an image side along an optical axis, a first lens, a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens, each of which has refractive power. An object-side surface of the first lens is a convex surface, and an image-side surface of the first lens is a concave surface; an image-side surface of the second lens is a concave surface; and an object-side surface of sixth lens is a concave surface. A distance TTL along the optical axis from an object-side surface of the first lens to an imaging plane of the optical imaging lens group and half of a diagonal length ImgH of an effective pixel area on the imaging plane of the optical imaging lens group satisfy TTL/ImgH?1.23.

Abstract: A method for assessing microbial drug resistance multi-level risks of antibiotic residues in water environments, belonging to the technical field of water environment assessment, comprises the following steps: S1, environment monitoring; S2, preliminary screening of antibiotics: S2-1, determination of n-octanol/water partition coefficient, and S2-2, determination of antibiotic environment concentration; S3, assessment of microbial drug resistance; and S4, high-level assessment. The assessment method of the present disclosure conducts a step-by-step assessment of target antibiotics or target antibiotic derivatives in water environment with risks.

Abstract: The present disclosure reports a C-C chemokine type 2 receptor (CCR2) targeting mediated nanoimmunotherapy to treat cancer, such as pancreatic ductal adenocarcinoma (PDAC). Also disclosed herein is the use of a biodegradable copper nanocluster (CuNC) for enhanced loading of chemotherapeutic drug, such as Gemcitabine (Gem).

Abstract: Disclosed are a beacon timeslot allocation method, apparatus, and device. The method includes: determining, based on a type of a beacon frame sent by a node in a system on a highspeed radio frequency (HRF) link, a node sending a standard beacon frame as a first-type node, and a node sending a simplified beacon frame as a second-type node; and in a process of sending a beacon frame on the HRF link by one first-type node, scheduling at least one first-type node and/or second-type node that have/has not been scheduled to perform sending on a highspeed power line carrier (HPLC) link yet to send a beacon frame on the HPLC link, where the scheduled first-type node and/or second-type node do/does not include the one first-type node or a node on a path between the one first-type node and a central coordinator (CCO) in the system.

Abstract: A terminal device is provided including: at least one card slot, configured to set a user identifying module; and a baseband processing chip, connected to the at least one card slot, where the baseband processing chip includes: a controlling module, configured to control selection and switching of at least two network modes; at least two communication protocol processing modules, respectively configured to perform camping on network for their corresponding network modes; a resource managing module, configured to manage resources of the baseband processing module and the radio frequency module used by the at least two network modes; a baseband processing module, configured to process baseband signals respectively corresponding to the at least two network modes; and a radio frequency module, configured to process radio frequency signals respectively corresponding to the at least two network modes.

Abstract: An automatic modeling method for a user-defined vehicle controller includes: configuring a component model; generating a description file; summarizing component input and output signals/parameters; and creating the user-defined vehicle controller. A template and data required by the user is provided to automatically build a vehicle controller port model, and a vehicle controller policy model framework to assist the user to quickly and flexibly build the vehicle controller model is provided. The problem of low efficiency in building various user-defined vehicle controller models for different vehicle types is solved. The user develops a vehicle controller policy model under the given model framework, and the model can run directly without additional configuration of port signals. The user can modify the vehicle controller policy model online in real time, which solves the problem that the application configuration of the vehicle controller is complex and cannot be updated online in real time.

Abstract: An automatic modeling method for a user-defined vehicle controller includes: configuring a component model; generating a description file; summarizing component input and output signals/parameters; and creating the user-defined vehicle controller. A template and data required by the user is provided to automatically build a vehicle controller port model, and a vehicle controller policy model framework to assist the user to quickly and flexibly build the vehicle controller model is provided. The problem of low efficiency in building various user-defined vehicle controller models for different vehicle types is solved. The user develops a vehicle controller policy model under the given model framework, and the model can run directly without additional configuration of port signals. The user can modify the vehicle controller policy model online in real time, which solves the problem that the application configuration of the vehicle controller is complex and cannot be updated online in real time.

Abstract: An air-conditioning device control method includes receiving an instruction sent by a terminal device, judging whether the instruction comes from a preset local area network, identifying a user identity according to the instruction in response to the instruction coming from the preset local area network, acquiring an operation mode of an air-conditioning device that is adapted to the user identity, and executing the operation mode of the air-conditioning device.

Abstract: Provided are a fusion protein that improves gene editing efficiency and an application thereof. The fusion protein comprises a single-stranded DNA binding protein functional domain, nucleoside deaminase and nuclease. According to CBEs, when carrying our base conversion from C-G to T-A, nucleoside deaminase such as cytosine deaminase carries out deamination by using single-stranded DNA as a substrate, and by re-fusing the single-stranded DNA binding protein functional domain on the fusion protein of the nucleoside deaminase and nuclease, the chance of single-stranded DNA being exposed to the nucleoside deaminase is greatly increased, thereby significantly improving base editing efficiency. The present disclosure provides a breakthrough improvement of single-base gene editing technology and can greatly promote the application thereof in aspects such as gene editing, gene therapy, cell therapy, animal model making, and crop genetic breeding.

Abstract: Disclosed is an artificial intelligence infrared thermal imaging bra system with breast disease detecting function. The system includes a side support, two chest support layers and two shoulder straps; the two shoulder straps are fixed at both ends of the side support, and the two chest support layers are symmetrically fixed between the two shoulder straps at the top of the side support; the two chest support layers are internally provided with sliding mechanisms that are adjustable according to different chests of users; a rotating mechanism for driving the sliding mechanisms to move is arranged between the two chest support layers at the top of the side support, and the rotating mechanism and the sliding mechanisms are in transmission connection; one end of the side support is fixed with a sub-buckle, and the other end of the side support is provided with a stretching mechanism.