Abstract: An integrated acoustic detection and rock direct tensile test machine includes a support frame. A top of the support frame is provided with a top plate and a bearing plate is provided above the top plate. The bearing plate is provided with force transferring rods, lower ends of which are provided with a tensile base. A top of the tensile base is provided with a lower clamp holder and a bottom of the top plate is provided with an upper clamp holder. An upper channel is provided inside the upper clamp holder. The upper channel is provided with an acoustic transmitting probe. A lower channel is provided inside the lower clamp holder. One end of the lower channel is communicated with the outside, the other end is provided with an acoustic receiving probe. The lower channel extends to a bottom of a clamping chamber of the lower clamp holder.

Abstract: A lipid delivery system, a virus-like structure (VLS) vaccine constructed therefrom, and a lipid particle capable of encapsulating an mRNA molecule encoding a SARS-CoV-2-specific antigen are provided. After the lipid particle encapsulates an mRNA molecule encoding a SARS-CoV-2 antigen, a SARS-CoV-2 S1 antigen protein can be embedded on a surface of an envelope structure of the lipid under specific buffer conditions to produce a VLS vaccine with an antigen-encoding mRNA molecule encapsulated inside and an outer membrane presenting a required viral antigen protein. The vaccine has a superior specific antibody-inducing ability to a SARS-CoV-2 mRNA vaccine and a polypeptide vaccine, can maintain a long-lasting high antibody level, and can also exhibit excellent immune binding abilities for the emerging different variants.

Abstract: The present disclosure provides an electronic atomizing device and an atomizer thereof. The atomizer includes a housing. An atomization cavity is defined in the housing. An air inlet passage and an air sensing passage which are in communication with the outside are defined in the housing. The air inlet passage is in communication with the atomization cavity. At least part of the air sensing passage and at least part of the air inlet passage are arranged side-by-side and independently of each other, so that the atomizer can prevent mutual interference of airflows in the air sensing passage and the air inlet passage, prevent contamination to the pneumatic switch caused by contact between the airflow in the air sensing passage and the liquid atomizable medium, thereby avoiding reduced sensitivity and shortened life of the pneumatic switch.

Abstract: Disclosed is use of 2-amino-3-methylhexanoic acid as a plant immunity inducer and in the preparation of a plant immunity inducer. The development of 2-amino-3-methylhexanoic acid as an active substance into a plant immunity inducer can be used for improving the resistance of plants to biotic and abiotic stresses, effectively stop the infection and reduce the pathogenic levels of fungi, viruses and bacteria on plants, and at the same time, significantly improve the tolerance of plants to high temperature, low temperature, drought and salt stress. 2-amino-3-methylhexanoic acid has the features of being safe, environmentally friendly, and highly efficient.

Abstract: A method for parallel processing of retinal images includes: optimizing an objective function with a chaotic supply-demand algorithm to enhance a real retinal image; synthesizing a virtual retinal image by a hybrid image generation method; establishing a parallel multi-layer decomposed interval type-2 intuitionistic fuzzy convolutional neural network model based on the virtual retinal image and the enhanced real retinal image; and integrating outputs from a plurality of parallel multi-layer decomposed interval type-2 intuitionistic fuzzy convolutional neural network models as a final classification result.

Abstract: The present invention relates to the field of lithium ion battery positive electrode materials, and discloses a positive electrode material, a preparation method therefor, a use thereof, and a lithium ion battery.

Abstract: A four-terminal-pair AC quantum resistance dissemination bridge and related methods are provided. The bridge includes: a supply transformer IVD1, a Kelvin branch A1, a Wagner branch A0, the first and second current sources A2, A3, an injection inductive voltage divider A4, a ratio transformer IVD2, the first and second four-terminal AC resistor connection points Z1, Z2, chokes H, and null indicators D. An isolated inductive winding LO is wound along the ratio transformer IVD2 and supplies excitation current to primary winding of injection inductive voltage divider A4 to avoid the mutual influence among various balance networks and rapid balance of the bridge can be realized. By changing turn ratio of primary winding L3 and secondary winding L4 of the second inductive voltage divider T2, the phase shift can be realized through only one set of capacitors for imaginary part error compensation, the bridge with multiple frequency points can be obtained.

Abstract: Methods, systems, and devices, including computer programs encoded on a computer storage medium are provided for genome-wide identification of pathogenic non-coding somatic mutations associated with tumorigenesis and cancer progression. A predictive deep learning model is provided that estimates the risk of cancer progression in an individual based on detection of pathogenic non-coding somatic mutations that alter tissue-specific chromatin structure resulting in gene regulatory changes that lead to tumor formation and cancer progression.

Abstract: A high-dynamic-range hybrid solid-state lidar system, which is based on a transponder array module, includes a transmitting system, a transceiver integrated optical system, a one-dimensional scanning device, a detecting system, and an information processing system. An information processing control circuit and a gain control module increase a total amplification factor, in a single timing period, of a gain circuit over time, thereby alleviating an echo signal intensity distortion, and expanding a dynamic ranging range. The system uses the one-dimensional scanning device and the transceiver integrated optical system composed of a circulator, a lens set, and an optical fiber array, so that the optical system is separated from an avalanche photo diode (APD) detector, and focusing is not required. A temperature of a linear APD array is monitored in the detecting system to adjust a reverse bias voltage of an APD correspondingly and alleviate unstable gain caused by a temperature change.

Abstract: A four-terminal-pair AC quantum resistance dissemination bridge and related methods are provided. The bridge includes: a supply transformer IVD1, a Kelvin branch A1, a Wagner branch A0, the first and second current sources A2, A3, an injection inductive voltage divider A4, a ratio transformer IVD2, the first and second four-terminal AC resistor connection points Z1, Z2, chokes H, and null indicators D. An isolated inductive winding LO is wound along the ratio transformer IVD2 and supplies excitation current to primary winding of injection inductive voltage divider A4 to avoid the mutual influence among various balance networks and rapid balance of the bridge can be realized. By changing turn ratio of primary winding L3 and secondary winding L4 of the second inductive voltage divider T2, the phase shift can be realized through only one set of capacitors for imaginary part error compensation, the bridge with multiple frequency points can be obtained.

Abstract: Disclosed is a method for preparing ?-carbonyl sulfones. The method comprises: by taking an ?-carbonyl diazo compound and sodium arylsulfinate as reaction substrates, cheap silver nitrate as an optimal catalyst, 1,10-phenanthroline as a ligand, and potassium persulfate as an oxidant, carrying out coupling reaction in a mixed solvent of acetonitrile and water to obtain a ?-carbonyl sulfones compound. Compared with the prior art, the method has the following advantages: a wide range of reaction substrates, short reaction time, a relatively high reaction yield, a mild reaction condition, etc. In the present invention, non-toxic and harmless reagents are used as reaction raw materials, so that it has no harm to the environment and satisfies the requirements of contemporary green chemistry development. Post-reaction treatment is relatively simple, and is convenient for separation and purification. In addition, the reaction can achieve gram-scale synthesis, and lays a foundation for actual applications.

Abstract: The present invention relates to compositions and methods for identifying, assessing, preventing, and treating melanoma. A variety of PD-L1 isoform biomarkers are provided, wherein alterations in the copy number of one or more of the biomarkers and/or alterations in the amount, structure, and/or activity of one or more of the biomarkers is associated with melanoma status.

Abstract: The disclosure belongs to the technical field of material science, and particularly relates to a method for preparing a high sensitivity temperature sensitive reversible color-changing microcapsule. According to the method, a series of novel fluorane dyes are designed and synthesized, the color-changing performance can be achieved without a color developing agent, the fluorane dyes are compounded with a phase change material according to a certain proportion, a series of two-component reversible temperature sensitive color-changing dyes are prepared, and then a two-component reversible thermochromic microcapsule with good color performance and color-changing response performance is prepared by adopting a solvent evaporation method. The two-component reversible thermochromic microcapsule provided by the disclosure can effectively alleviate the color lag phenomenon of a traditional three-component thermochromic capsule.

Abstract: A health monitoring method, including: acquiring physiological parameters of a user in real time; storing the physiological parameters and establishing a user health model according to the stored physiological parameters, the user health model including indicators of physiological parameters of the user in a healthy state; and determining the level of the current physiological parameters of the user according to the indicators of the physiological parameters of the user health model and determining the physiological state of the user. In the method, physiological parameters of the user are monitored by means of the user health model. If the current physiological parameters of the user exceed a range of the indicators of the physiological parameters, then prompt information of physiological parameters being abnormal is generated, enabling the user to learn which physiological parameter is abnormal, thereby facilitating the user in rapidly discovering a problem, and responding more quickly.

Abstract: A method, an apparatus, and a terminal for recognizing a two-dimensional code are provided. The two-dimensional code includes an image region and an encoding region. The image region and the encoding region have no overlap. The method includes selecting, from pixels of the two-dimensional code, a pixel included in a code element in an encoding region. The method further includes determining a value of the code element in the encoding region according to the pixel included in the code element in the encoding region. The method further includes recognizing the two-dimensional code according to the value of the code element in the encoding region.

Abstract: A seizure early-warning method and a system thereof, relating to a technical field of artificial intelligence. The method includes: acquiring health data of a user (S110); extracting first feature parameters from the acquired health data (S120); inputting the extracted first feature parameters into a preset seizure probability estimation model, so as to obtain a seizure probability (S130), wherein the seizure probability estimation model being generated by training a classification model by means of historical health data of a plurality of patients, and the historical health data of the patients including health data of the patients before the seizure; and determining, according to the seizure probability, whether to issue a seizure early-warning notification (S140). The system is a system configured to execute the method. The described technical solution can implement seizure early-warning.

Abstract: A soap dispenser for use in a hotel bathroom includes a bottle body, a sealing cover and a positioning frame, wherein the bottle body is used for containing shampoo or shower gel, and the bottle body is placed upside down; the sealing cover is connected to and covers a bottle mouth of the bottle body, a liquid discharge hole is provided in the center of the sealing cover, the liquid discharge hole is provided with a barrier sheet made of silica gel, and a cutout is provided at the center of the barrier sheet; and the positioning frame is used for fixing the bottle body to a wall of the bathroom. The problem in the prior art of inconvenience m use when a hotel guest takes a bath and needs to press a pressing valve on a bottle body when using bathroom amenities is solve.