Abstract: Positive reference spiked in collected sample for use in qualitatively and quantitatively detecting viral RNA.

Abstract: A fluid delivery apparatus comprises a first piston body, a second piston body, a fluid delivery pipe, and a sealing element. The first piston body has a first through hole, a first connecting portion, an accommodation space and a buffer space. The second piston body has a second through hole and a second connecting portion disposed inside the accommodation space. The fluid delivery pipe is accommodated in the first through hole and the second through hole, and movable between a first position and a second position. The sealing element encircles the fluid delivery pipe. When the fluid delivery pipe is at the first position, the sealing element is accommodated in the accommodation space. When the fluid delivery pipe is at the second position, a first part of the sealing element is accommodated in the accommodation space, and a second part of the sealing element is accommodated in the buffer space.

Abstract: A foamable resin composition comprising: (meth)acrylate oligomer, which accounts for 10-40 wt % of the foamable resin composition; (meth)acrylate monomer, which accounts for 35-80 wt % of the foamable resin composition; a photocuring initiator, which accounts for 1-5 wt % of the foamable resin composition; and a foaming agent, which accounts for 3-20 wt % of the foamable resin composition; wherein the foamable resin composition has a specific gravity of 0.10-1.05 g/cm3 after photocuring and thermal foam expansion for 15-20 minutes at 120° C. The aforementioned foamable resin composition can become a low specific gravity (0.10-1.05 g/cm3) material after photocuring and thermal foam expansion, then can expand the application in 3D printing, and manufacture of plastic products, such as shoe soles, coasters, floats, various types of protective gear and the like.

Abstract: A supported metallocene catalyst includes a carrier and a metallocene component. The carrier includes an inorganic oxide particle and an alkyl aluminoxane material. The inorganic oxide particle includes at least one inorganic oxide compound selected from the group consisting of an oxide of Group 3A and an oxide of Group 4A. The alkyl aluminoxane material includes an alkyl aluminoxane compound and an alkyl aluminum compound that is present in amount ranging from greater than 0.01 wt % to less than 14 wt % base on 100 wt % of the alkyl aluminoxane material. The metallocene component is supported on the carrier, and includes one of a metallocene compound containing a metal from Group 3B, a metallocene compound containing a metal from Group 4B, and a combination thereof. A method for preparing the supported metallocene catalyst and a method for preparing polyolefin using the supported metallocene catalyst are also disclosed.

Abstract: A system for a semiconductor fabrication facility comprises a transporting tool configured to move a carrier, a first manufacturing tool configured to accept the carrier facing in a first direction, a second manufacturing tool configured to accept the carrier facing in the second direction, and an orientation tool. The carrier is moved to the orientation tool by the transporting tool prior to being moved to the first manufacturing tool or the second manufacturing tool by the transporting tool. The orientation tool rotates the carrier so that the carrier is accepted by the first manufacturing tool or the second manufacturing tool. The transporting tool, the first manufacturing tool, the second manufacturing tool and the orientation tool are physically separated from each other.

Abstract: An upper extremity wearable device includes a pressure sleeve configure to wrap a forearm, a middle finger stimulating electrode and a ring finger stimulating electrode disposed on an inner surface of the pressure sleeve. The middle finger stimulating electrode covers a middle finger stimulating point which is measured from an ulnar styloid process, moving two lateral units, and moving four longitudinal units. The ring finger stimulating electrode covers a ring finger stimulating point which is measured from the ulnar styloid process, moving one lateral unit, and moving five longitudinal units. The lateral unit is a distance from the position of the pressure sleeve corresponding to the ulnar styloid process to a radial styloid process dividing four. The longitudinal unit is a distance from the position of the pressure sleeve corresponding to the ulnar styloid process to an olecranon process dividing twelve.

Abstract: Method, an electronic device and a storage medium for living body detection based on face recognition are disclosed. The method comprises: obtaining to-be-detected infrared image and visible light image; performing edge detection and texture feature extraction on the infrared image, and feature extraction on the visible light image through a convolutional neural network; and determining whether the infrared and visible light images pass living body detection based on results of the edge detection and texture feature extraction on the to-be-detected infrared image, and a result of feature extraction on the to-be-detected visible light image through the convolutional neural network. The method, an electronic device and a storage medium for living body detection based on face recognition combine the advantages of three technologies of edge detection, texture feature extraction and convolution neural network, effectively perform living body detection, and improve the determination accuracy.

Abstract: The invention relates to parathyroid hormone (PTH) variants and pharmaceutical compositions comprising same. The invention further relates to PTH compositions with improved serum half-life and peak-trough ratios, and methods of controlling serum calcium levels with the PTH variants and compositions of the invention. The invention further relates to methods of treating hypoparathyroidism and/or hypocalcemia due to hypoparathyroidism with the PTH variants and compositions of the invention.

Abstract: The invention relates to parathyroid hormone (PTH) variants and pharmaceutical compositions comprising same. The invention further relates to PTH compositions with improved serum half-life and peak-trough ratios, and methods of controlling serum calcium levels with the PTH variants and compositions of the invention. The invention further relates to methods of treating hypoparathyroidism and/or hypocalcemia due to hypoparathyroidism with the PTH variants and compositions of the invention.

Abstract: The present invention provides, among other things, methods and compositions for making and using recombinant heme oxygenase for treating sickle cell disease. In some embodiments, recombinant heme oxygenase proteins are truncation variants, or Fc fusion proteins with increased half-life and/or reduced aggregation.

Abstract: Embodiments of the present application provide an image storage method and apparatus, and an electronic device and a storage medium. In the method, pixel data obtained by scanning with a first partial region of a scanning region is acquired as first pixel data, and the first pixel data is stored in a storage space; the first pixel data is corrected by using a preset correction algorithm to obtain second pixel data, and the second pixel data is stored in the storage space; if it is determined that the remaining space of the storage space meets the preset condition, the pixel data obtained by scanning with the remaining region of the scanning region is acquired as the third pixel data, and the third pixel data is stored in the storage space; wherein, the scanning mode of the remaining region is a preset second scanning mode; and the third pixel data is corrected by using the preset correction algorithm to obtain fourth pixel data, and the fourth pixel data is stored in the storage space.

Abstract: A method of training a speech recognition model of an extended language by speech in a source language includes the following steps: creating a phonetic reference table of the source language, wherein the phonetic reference table includes a source language audio file and a source language phonetic transcription corresponding to each other; obtaining an extended language text file of the extended language; marking the extended language text file with an extended language phonetic transcription to create a text reference table of the extended language; training an acoustic model of the extended language by the phonetic reference table and the text reference table; and training a language model of the extended language by the extended language text file of the extended language; wherein the speech recognition model of the extended language includes the acoustic model and the language model of the extended language.

Abstract: A multi-lingual speech recognition and theme-semanteme analysis method comprises steps executed by a speech recognizer: obtaining an alphabet string corresponding to a voice input signal according to a pronunciation-alphabet table, determining that the alphabet string corresponds to original words according to a multi-lingual vocabulary, and forming a sentence according to the multi-lingual vocabulary and the original words, and comprises steps executed by a sematic analyzer: according to the sentence and a theme vocabulary-semantic relationship data set, selectively executing a correction procedure to generate a corrected sentence, an analysis state determining procedure or a procedure of outputting the sentence, outputting the corrected sentence when the correction procedure successes, and executing the analysis state determining procedure to selectively output a determined result when the correction procedure fails.

Abstract: A method, an apparatus and an electronic device for face liveness detection based on a neural network model are provided. The method includes: a target visible light image and a target infrared image of a target object to be detected are obtained (S101); a first face image is extracted from the target visible light image, and a second face image is extracted from the target infrared image (S102); a target image array of the target object is generated based on multiple monochromatic components of the first face image and a monochromatic component of the second face image (S103); and feeding the target image array into a pre-trained neural network model for detection, to obtain a face liveness detection result of the target object (S104).

Abstract: Method, an electronic device and a storage medium for living body detection based on face recognition are disclosed. The method comprises: obtaining to-be-detected infrared image and visible light image; performing edge detection and texture feature extraction on the infrared image, and feature extraction on the visible light image through a convolutional neural network; and determining whether the infrared and visible light images pass living body detection based on results of the edge detection and texture feature extraction on the to-be-detected infrared image, and a result of feature extraction on the to-be-detected visible light image through the convolutional neural network. The method, an electronic device and a storage medium for living body detection based on face recognition combine the advantages of three technologies of edge detection, texture feature extraction and convolution neural network, effectively perform living body detection, and improve the determination accuracy.

Abstract: Provided are a method and apparatus for preventing an illegal attack, and an electronic device. According to one embodiment, the method comprises: when a user feature of a user is identified successfully, determining whether a living body detection result for the user feature indicates failure; if the living body detection result for the user feature indicates failure, locking a feature ID when the feature ID of the user feature is not locked and a locking condition of the feature ID is satisfied currently; and if the living body detection result for the user feature indicates success, unlocking the feature ID when the feature ID of the user feature is locked and an unlocking condition of the locked feature ID is satisfied currently.

Abstract: Provided are a method and apparatus for preventing an illegal attack, and an electronic device. According to one embodiment, the method comprises: when a user feature of a user is identified successfully, determining whether a living body detection result for the user feature indicates failure; if the living body detection result for the user feature indicates failure, locking a feature ID when the feature ID of the user feature is not locked and a locking condition of the feature ID is satisfied currently; and if the living body detection result for the user feature indicates success, unlocking the feature ID when the feature ID of the user feature is locked and an unlocking condition of the locked feature ID is satisfied currently.

Abstract: A multi-lingual speech recognition and theme-semanteme analysis method comprises steps executed by a speech recognizer: obtaining an alphabet string corresponding to a voice input signal according to a pronunciation-alphabet table, determining that the alphabet string corresponds to original words according to a multi-lingual vocabulary, and forming a sentence according to the multi-lingual vocabulary and the original words, and comprises steps executed by a sematic analyzer: according to the sentence and a theme vocabulary-semantic relationship data set, selectively executing a correction procedure to generate a corrected sentence, an analysis state determining procedure or a procedure of outputting the sentence, outputting the corrected sentence when the correction procedure successes, and executing the analysis state determining procedure to selectively output a determined result when the correction procedure fails.

Abstract: Embodiments of the present application provide an image storage method and apparatus, and an electronic device and a storage medium. In the method, pixel data obtained by scanning with a first partial region of a scanning region is acquired as first pixel data, and the first pixel data is stored in a storage space; the first pixel data is corrected by using a preset correction algorithm to obtain second pixel data, and the second pixel data is stored in the storage space; if it is determined that the remaining space of the storage space meets the preset condition, the pixel data obtained by scanning with the remaining region of the scanning region is acquired as the third pixel data, and the third pixel data is stored in the storage space; wherein, the scanning mode of the remaining region is a preset second scanning mode; and the third pixel data is corrected by using the preset correction algorithm to obtain fourth pixel data, and the fourth pixel data is stored in the storage space.

Abstract: A method, an apparatus and an electronic device for face liveness detection based on a neural network model are provided. The method includes: a target visible light image and a target infrared image of a target object to be detected are obtained (S101); a first face image is extracted from the target visible light image, and a second face image is extracted from the target infrared image (S102); a target image array of the target object is generated based on multiple monochromatic components of the first face image and a monochromatic component of the second face image (S103); and feeding the target image array into a pre-trained neural network model for detection, to obtain a face liveness detection result of the target object (S104).