Abstract: A sample processing and analyzing device for soil analysis in a karst area comprises a mounting unit, a processing unit arranged on the mounting unit, and an analyzing unit arranged on the mounting unit and connected with the processing unit through a feeding unit. The design of the damping component can control the grinding force to avoid sample crushing. The installation disc can be effectively clamped by the second axial moving component to move the sample position according to the grinding requirements, facilitating step-by-step polishing. The feeding unit sends the sample to the analysis unit through a conveyor belt for effective analysis. The sample processing and analyzing device can effectively process a soil concretion sample into a sample for analysis, has the advantages of easy operation, high degree of automation and high efficiency, and is suitable for mass popularization.

Abstract: A method includes providing a tapered roller bearing including an outer ring having a raceway surface, an inner ring having a raceway surface and a plurality of tapered rollers each having a rolling surface and a large end-face; optimizing a surface roughness of at least one surface selected from the following set of surfaces: the outer ring raceway surface, the inner ring raceway surface, the rolling surfaces of the tapered rollers and the large end faces of the tapered rollers; and black oxidizing the at least one first surface.

Abstract: A method for haptic feedback, a device for haptic feedback, and a storage device are provided. The method includes the following. In response to a session information editing operation from a first user, session information is generated, where the session information includes Morse code character information. In response to a sending operation from the first user, the session information is sent to a data platform for a second electronic device to obtain the session information from the data platform and to generate haptic feedback according to the session information. In the technical solutions provided in the embodiments of the disclosure, information is sent through the Morse code by utilizing the characteristics of the Morse code, thus simplifying the communication process, improving the interest in the communication process, and improving the user experience.

Abstract: A computer-implemented method for a machine-learning network includes receiving an input dataset, wherein the input dataset is indicative of image information, tabular information, radar information, sonar information, or sound information, sending the input dataset to the machine-learning model to output predictions associated with the input data, identifying one or more slices associated with the input dataset and the machine learning model in a first iteration, wherein each of the one or more slices include input data from the input dataset and common attributes associated with each slice, outputting an interface that includes information associated with the one or more slices and performance measurements of the one or more slices of the first iteration and subsequent iterations identifying subsequent slices, wherein the performance measurements relate to the predictions associated with the first iteration and subsequent iterations.

Abstract: A device for on-site detection of soil organic matter, including a pre-processing module, a centrifugal system, a microfluidic chip, and a photoelectric detection module. The pre-processing module is configured to process a soil sample into a soil solution. The centrifugal system is configured to generate a centrifugal force. The microfluidic chip is configured to allow mixing of the soil solution and an extraction solvent for extraction under the centrifugal force to obtain an extract. The photoelectric detection module is configured to detect the extract to determine organic matter content in the soil solution. An on-site detection method and a microfluidic chip are also provided. The microfluidic chip includes a channel layer, a cover layer arranged above the channel layer, and a base plate layer arranged below the channel layer.

Abstract: Disclosed herein are methods, pharmaceutical compositions, and vaccines for modulating an immune response. Also disclosed herein are methods, pharmaceutical compositions, and vaccines for inducing an immune response.

Abstract: A computer-implemented method for a machine-learning network that includes receiving an input dataset, sending the input dataset to a first machine-learning model to output predictions associated with the input data, identifying one or more slices associated with the input dataset and a first machine learning model in a first iteration, wherein each of the one or more slices include input data from the input dataset and common attributes associated with each slice; upon selecting one or more slices of the input dataset, training a shallow regressor model configured to predict residuals associated with the model, create a representation associated with a ground-truth label and a second representation associated with a model prediction associated with each sample associated with each of the one or more slices, determine residuals associated with every prediction of the first machine learning model, training the shallow regressor to compute one or more predicted residuals of the selected slices, generate an opti

Abstract: A sampling device and method for evaluating ecological risk of soil in a high geological background area comprises an impact sampling mechanism, a soil layer stripping mechanism and an auxiliary support frame. The impact sampling mechanism comprises a sampling hopper with a downward opening. A connecting sliding rod is fixedly arranged on the top of the sampling hopper. An upper end of the connecting sliding rod is connected with an impact rod. The impact rod is internally provided with an impact hammer capable of reciprocating along an axis of the impact rod. The soil layer stripping mechanism comprises a stripping sliding cylinder in sliding fit with the connecting sliding rod, and a support disc. A plurality of stripping plates are connected to a lower side edge of the support disc in a sliding fit mode.

Abstract: A device for detecting soil nutrients on site, including an extracting grid, an on-site real-time detection assembly and a transfer assembly for transferring a soil extract from the extracting grid to the on-site real-time detection assembly. A soil nutrient detection method using the device and a microfluidic chip are also provided. The microfluidic chip includes a cover plate and a base plate. The base plate includes a soil extract feeding groove, a quantitative feeding groove, a reagent storage groove, and a serpentine groove.

Abstract: A corneal implant with adhesion-increase treatment is associated with a method for increasing the adhesion of the artificial corneal implant by an epoxy-amine ring-opening reaction of the polyamino high-molecular polymer and glycidyl methacrylate to obtain a methacrylate modified polyamino polymer. The method improves the adhesion and biocompatibility of the artificial corneal endothelial sheet by photo-initiated free radical polymerization reaction, and has a high oxygen permeability and a high adhesion. It can be used for treating patients with corneal endothelial decompensation, playing a barrier role to block aqueous humor, eliminating corneal edema, and reducing the risk of corneal graft detachment after surgery.

Abstract: Disclosed is a filtering device. The device includes a main body part and a filter element assembly, where the main body part has a mounting cavity for accommodating the filter element assembly, further includes a base and a screen cover arranged as a cover of the base, and at least one rack for fixing the filter element assembly is disposed on an inner wall of the screen cover and/or the base; and the filter element assembly includes a folded filter element arranged in a folded shape, and a rubber strip arranged on the folded filter element for maintaining the shape of the folded filter element to facilitate quick assembly and disassembly of the folded filter element. Further, the screen cover and the base are connected through various snap-fit assemblies, without requiring additional connecting members for fixing them, which is convenient for disassembly and assembly, and has a simple structure.

Abstract: A sampling device and method for evaluating ecological risk of soil in a high geological background area comprises an impact sampling mechanism, a soil layer stripping mechanism and an auxiliary support frame. The impact sampling mechanism comprises a sampling hopper with a downward opening. A connecting sliding rod is fixedly arranged on the top of the sampling hopper. An upper end of the connecting sliding rod is connected with an impact rod. The impact rod is internally provided with an impact hammer capable of reciprocating along an axis of the impact rod. The soil layer stripping mechanism comprises a stripping sliding cylinder in sliding fit with the connecting sliding rod, and a support disc. A plurality of stripping plates are connected to a lower side edge of the support disc in a sliding fit mode.

Abstract: A method of characterizing an effect of a compound on cardiomyocyte beating, including providing a system configured to culture, electrically pace, and monitor heating of beating cells: culturing two populations of immature cardiomyocytes in the system; adding a compound suspected of having an effect on cardiomyocyte maturation to one of the populations of immature cardiomyocytes; electrically pacing the two populations of immature cardiomyocytes according to a pulse profile that functionally matures immature cardiomyocytes until at least one of the two populations of cardiomyocytes is functionally mature; and Characterizing the compound as further driving maturation if the population with compound addition functionally matures before the other cardiomyocyte population.

Abstract: The present disclosure relates to novel crystalline forms of ozanimod and preparation method thereof. The provided crystalline forms of ozanimod comprise crystalline form CS9, crystalline form CS10 and crystalline form CS11, and can be used for treating autoimmune diseases, particularly used for preparing drugs for treating multiple sclerosis and ulcerative colitis. The crystalline forms of the present disclosure have one or more advantages in solubility, stability, hygroscopicity and processability and provide new and better choices for the preparation of ozanimod drug product, and are very valuable for drug development.

Abstract: This invention relates to compositions and methods for modifying Cell Number Regulator (CNR) genes in plants, optionally to improve yield traits. The invention further relates to plants having increased improved yield traits produced using the methods and compositions of the invention.

Abstract: A surgical knife safety device having a handle, a blade connected to the handle, and a guard carried by the handle for sliding movement between a retracted position in which the blade is exposed for use, and an extended position for covering the sharp cutting edge of the blade. In the retracted position, an enlarged guard radius is provided at the distal end of the handle to allow improved handle control and blade orientation. The enlarged guard radius is positioned to allow the user to firmly grip a large distal handle portion which is preferably molded as a single piece with the blade holder, preventing unwanted blade or handle movement due to guard mechanism tolerances. A spring, such as leaf spring or a cantilever beam, and a pair of detents or slots are provided to fix the guard in the extended or retracted position and to provide resistance during movement between the two positions.

Abstract: A longitudinal differential protection method for a transformer comprises: calculating a corrected parameter of a transformer according to a voltage and electrical parameters of the transformer, wherein the electrical parameters of the transformer comprise a rated capacity of the transformer, and the corrected parameter of the transformer comprise a capacity of the transformer.

Abstract: The present disclosure relates to novel crystalline form of a tosylate salt of diazadicyclic compound and preparation method thereof. Form A of formula (I) tosylate of the present disclosure have advantages in at least one aspect of solubility, melting point, stability, dissolution, hygroscopicity, adhesion, flowability, bioavailability, processability, purification ability, formulation production, and safety, etc., which provides a new and better choice for the preparation of drugs containing formula (I) tosylate, and is of great significance for the drug development.

Abstract: The invention provides devices and methods for measuring microfluidic flow velocity. The novel electrical nanodevice employs a single microelectrode of monolayer graphene and measures in real time at high resolution and stability microfluidic flow velocity by quantifying contact electrification-induced current variations.

Abstract: Methods for reducing electromagnetic interference arising from use of multiple ultrasound transducers in an array, particularly inside a human body that is inside a magnetic resonance imaging device. Electrical signals driving the transducers are offset in phase with respect to one another so as to achieve maximum offset of electrical and magnetic fields arising from such signals and transducers. Phase offsets are dynamically adjusted to respond to changes in driving amplitudes and frequencies so as to maintain optimal reduction of electromagnetic interference.