Abstract: A multidentate phosphite ligand is used in the catalytic synthesis of adiponitrile. The ligand is represented by the following general formula (I). The method of catalytic synthesis of adiponitrile comprises primary hydrocyanation, isomerization, and secondary hydrocyanation reactions, wherein the catalyst adopted each comprises a phosphite ligand-nickel complex composed of a nickel precursor and a multidentate phosphite ligand. The ligand molecule has a higher electron cloud density, and the phosphorus content capable of participating in coordination in the ligand molecule per unit mass is higher, so that the catalytic activity of the catalyst is improved, and the amount of the catalyst is reduced.

Abstract: Provided in the present application are an operating method of a medical imaging system and a medical imaging system. The operating method of the medical imaging system includes performing exposure setting of a next object during image processing of medical image data of a current object.

Abstract: A method performed for performing neural spatial audio coding, comprises: receiving an audio signal comprising a plurality of channels; selecting a channel from the plurality of channels as a reference channel; performing a STFT on the reference channel to generate a frequency domain reference channel; inputting the frequency domain reference channel into a first codec; performing the STFT on the plurality of channels minus the channel selected as the reference channel to generate a spatial covariance matrix; inputting the spatial covariance matrix and the frequency domain reference channel into a second codec; reconstructing the audio signal based on an output of the first codec and an output of the second codec to generate a reconstructed audio signal; and training the first and second codecs.

Abstract: Provided are a benzidine compound and an application thereof, the benzidine compound having the structure as shown in formula I below. Further provided are a pharmaceutically acceptable salt, isomer, racemate, prodrug co-crystal complex, hydrate, and solvate of the compound, as well as an application thereof in the preparation of a drug for the treatment or prevention of ROR?-regulated diseases; more importantly, such a compound can also be used in the preparation of a drug for the treatment of inflammation, immune diseases, cancer and neurological diseases.

Abstract: Systems and techniques for multi-phase cloud service node error prediction are described herein. A set of spatial metrics and a set of temporal metrics may be obtained for node devices in a cloud computing platform. The node devices may be evaluated using a spatial machine learning model and a temporal machine learning model to create a spatial output and a temporal output. One or more potentially faulty nodes may be determined based on an evaluation of the spatial output and the temporal output using a ranking model. The one or more potentially faulty nodes may be a subset of the node devices. One or more migration source nodes may be identified from one or more potentially faulty nodes. The one or more migration source nodes may be identified by minimization of a cost of false positive and false negative node detection.

Abstract: In some aspects, an electronic device may receive a clock signal having a first frequency. The electronic device may receive, for a chip select training operation, a chip select signal having a pattern including high pulses and low pulses. The electronic device may perform, for a sampling window, the chip select training operation using the clock signal and the chip select signal, wherein the sampling window includes a quantity of pulses of the chip select signal. The electronic device may provide, via a first data in or out (DQ) pin, an indication of a first result of the chip select training operation for the high pulses of the chip select signal. The electronic device may provide, via a second DQ pin, an indication of a second result of the chip select training operation for the low pulses of the chip select signal. Numerous other aspects are described.

Abstract: The present invention provides protein kinase having one of the following structures (I), (II) or (III): or a stereoisomer, prodrug, tautomer or pharmaceutically acceptable salt thereof, wherein R, R1, R2 and X are as defined herein. Compositions and methods for using the same in the treatment of cancer, autoimmune, inflammatory and other Pim kinase-associated conditions are also disclosed.

Abstract: An optimization method for a layering scheme of multilayer injection molding, including: solving a heat transfer equation by using a finite difference method to obtain a cooling time for injection of each layer under different layering schemes, and obtaining a relationship model of a cooling time of a single layer and a layering scheme by fitting; and finally, with an objective of minimizing cooling times of all injection layers and a constraint condition of a total thickness of a product, optimizing a particular layering scheme by using a Lagrange multiplier method. Through optimization by the method, an optimized layering scheme can be obtained, allowing for an effectively shortened injection molding cycle, a reduced production cost, and improved product quality.

Abstract: In some aspects, an electronic device may detect a start of a voltage ramp transition period associated with changing a voltage at which an integrated circuit operates from a first voltage to a second voltage, wherein changing the voltage from the first voltage to the second voltage causes changes to one or more parameters that impact performance associated with the integrated circuit during the voltage ramp transition period. The electronic device may trigger, responsive to detecting the start of the voltage ramp transition period, a dynamic calibration mode that compensates for the changes to the one or more parameters that impact the performance associated with the integrated circuit during the voltage ramp transition period. The electronic device may exit the dynamic calibration mode responsive to detecting an end of the voltage ramp transition period. Numerous other aspects are described.

Abstract: The present application relates to the technical field of processing of degradable materials, and in particular to a granulation processing method for a low-melt-index degradable material, and a shaped body prepared thereby. The granulation processing method for the degradable material provided by the present invention comprises: reducing the temperature of a screw rod for multiple times and increasing the rotating speed of the screw rod during an extrusion crystallization granulation process. The granulation processing method provided by the present invention is beneficial to improving the crystallization rate of the material during the granulation processing process, and reduces the influence caused by shear heat and relatively high processing temperature, thereby obtaining a granular material having a lower melt index.

Abstract: The present disclosure relates to the technical field of gear shaft box processing, and discloses a stable gear shaft box processing and positioning apparatus, including a frame. The frame is provided with a first conveying belt and a second conveying belt. The first conveying belt is provided with a material transfer plate, the material transfer plate is provided with a limiting slot, and a component to be assembled is arranged at the limiting slot. In the present disclosure, the material transfer plate, a first connecting seat and a second connecting seat are arranged to transport materials. In this technical solution, in the early stage of assembly, the transportation of the component to be assembled is completed together by the first conveying belt and the second conveying belt.

Abstract: Various aspects of the present disclosure generally relate to memory devices. In some aspects, a volatile memory device may receive, from a host device, a clock (CK) signal. The memory device may receive, from the host device, a command address (CA) signal associated with a continuous long burst pseudo-random binary sequence (PRBS) pattern. The memory device may perform a command bus training (CBT) based at least in part on the CA signal in relation to the CK signal. The memory device may provide, to the host device, pass or fail results associated with the CBT. Numerous other aspects are described.

Abstract: The present disclosure discloses a method, apparatus, medium, and device for vehicle automatic navigation control.

Abstract: The present invention relates to the technical field of processing of degradable materials, and in particular relates to a granulation processing method for a degradable material and a formed body prepared thereby. The method comprises: after a polyhydroxyalkanoate powder is melted, pre-crystallizing same at a temperature of 20-60° C. below the Tm of polyhydroxyalkanoate, and then extruding, crystallizing and granulating same. In the granulation processing method of the present invention, pre-crystallization is performed at a temperature of 20-60° C. below the Tm of polyhydroxyalkanoate, followed by extrusion, such that the crystallization speed can be accelerated online, non-sticky particles can be quickly obtained and the crystallization time is greatly shortened under the condition that no auxiliary agent is added, thereby facilitating transportation and subsequent processing.

Abstract: Systems and techniques for multi-phase cloud service node error prediction are described herein. A set of spatial metrics and a set of temporal metrics may be obtained for node devices in a cloud computing platform. The node devices may be evaluated using a spatial machine learning model and a temporal machine learning model to create a spatial output and a temporal output. One or more potentially faulty nodes may be determined based on an evaluation of the spatial output and the temporal output using a ranking model. The one or more potentially faulty nodes may be a subset of the node devices. One or more migration source nodes may be identified from one or more potentially faulty nodes. The one or more migration source nodes may be identified by minimization of a cost of false positive and false negative node detection.

Abstract: The present application provides an X-ray imaging system and a collision prevention method therefor. The X-ray imaging system includes a tube device, at least one sensor, and a controller. The tube device is capable of moving to a preset position so as to emit an X-ray. The at least one sensor is mounted on at least one surface of the tube device. The at least one sensor is configured to acquire a feedback signal within a preset sensing region. The controller is connected to the at least one sensor and the tube device, and the controller includes a determination module and a control module. The determination module is configured to determine, on the basis of the feedback signal, whether an obstacle is present in the preset sensing region and acquire position information of the obstacle. The control module is configured to control motion of the tube device on the basis of the position information of the obstacle.

Abstract: A medical imaging system includes a camera to obtain a captured image including a subject under examination, a display for displaying a graphical user interface including the captured image, and a first boundary indication and a second boundary indication for superimposing and displaying an exposure region on the captured image, an input device for receiving an input operation for adjusting a position of the first boundary indication and an input operation for adjusting a position of the second boundary indication, and a controller for determining the position of the first boundary indication and the position of the second boundary indication according to the input operations received by the input device, and determining a position of an anatomical site. When the position of the anatomical site changes in the captured image, the position of the first boundary indication and the position of the second boundary indication change.

Abstract: A medical imaging system includes an imaging apparatus including an X-ray source and a detector, wherein the X-ray source and the detector are capable of cooperating to acquire a medical image of a subject under examination, and the medical image is formed by stitching a first number of sub-medical images, the first number being greater than or equal to 2, a display apparatus used to display a graphical user interface including a parameter configuration display window, wherein the parameter configuration display window simultaneously displays an exposure parameter for each of the first number of sub-medical images, and a control apparatus used to perform exposure according to a set exposure parameter for the first number of sub-medical images, and to generate the medical image by performing stitching according to the first number of sub-medical images after the exposure.

Abstract: Systems and techniques for multi-factor cloud service storage device error prediction are described herein. A set of storage device metrics and a set of computing system metrics may be obtained. A feature set may be generated using the set of storage device metrics and the set of computing system metrics. Members of the feature set may be validated by evaluating a validation training dataset using the members of the feature set. A modified feature set may be created based on the validation. A storage device failure model may be created using the modified feature set. A storage device rating range may be determined by minimizing a cost of misclassification of a storage device. A set of storage devices to be labeled may be identified as having a high probability of failure.