Abstract: The present invention proposes an apparatus (120) and method for detecting bone fracture of a subject on basis of ultrasound images. The apparatus (120) comprises a first fracture detector (122) and a second fracture detector (124). The first fracture detector (122) is configured to receive a first ultrasound image of a region of the subject, to identify a bone in the first ultrasound image, to identify at least one focus area within the region on basis of the identified bone, to generate focus area information indicating position of the at least one focus area, and to instruct an acquisition of a second ultrasound image of the region acquired based on the generated focus area information. The second fracture detector (124) is configured to receive the second ultrasound image, and to detect bone fracture on the basis of the second ultrasound image.

Abstract: Provides an artificial enzyme obtained by improving upon a sequence of a natural nicotine dehydrogenase, wherein the improvement comprises replacing at least one amino acid hindering product release with an amino acid with smaller side chains, thereby improving a catalytic rate.

Abstract: The present invention discloses a bacterium and an obtaining method and application thereof. The bacterium has a property of coproducing 1,3-propanediol and D-lactic acid. Further, the bacterium is Klebsiella oxytoca, including Klebsiella oxytoca PDL-5 CCTCC M 2016185. The obtaining method of the bacterium may be to obtain the bacterium by directly screening wild bacteria that satisfy conditions from the environment or performing gene engineering modification to wild bacteria. The present invention has the advantages that the bacteria can coproduce 1,3-propanediol and D-lactic acid through fermentation, the molar conversion rate and the concentration of the two products are very high, the types of byproducts are few, the concentration is low, the product extraction process is simplified, the high-efficiency biological production of 1,3-propanediol and D-lactic acid can be realized, and the industrial application prospect is very great.

Abstract: The present invention provides D-lactate dehydrogenase, an engineered strain containing the D-lactate dehydrogenase and a construction method and use of the engineered strain. The present invention discloses a D-lactate dehydrogenase which has unique properties and is from Thermodesulfatator indicus, and the D-lactate dehydrogenase has good thermophily and heat stability. By using the D-lactate dehydrogenase and the gene engineering reconstruction method, a fermentation product of the reconstructed Bacillus licheniformis can be redirected to optically-pure D-lactic acid with a high yield from naturally produced 2,3-butanediol, and the optical purity of the produced D-lactic acid reaches 99.9%; and raw materials for fermentation are low-cost, and a fermentation state is between an anaerobic fermentation state and a microaerobic fermentation state.

Abstract: In one aspect, a method of manufacturing a protective textile may include steps of (a) twisting a first yarn with a tungsten filament; and (b) using a second yarn to cover the yarn-tungsten product generated in step (a). The yarn generated in step (b) is further twisted with an elastic spandex. In one embodiment, the first yarn is selected from a group of Nylon, Polyethylene Terephthalate (PET), cotton yarn, bamboo fiber and Tencel. In another embodiment, a Polyethylene (PE) fiber is the second yarn, and the third yarn may include Nylon, PET or PE. The protective textile is advantageous because it is light, thin, soft and highly cut resistant. Also, it has great electrical conductivity and chemical stability, and it is not easy to deform after washing.

Abstract: A method includes receiving information that defines a three-dimensional subterranean structure; splitting the three-dimensional subterranean structure into portions; generating convex hulls for the portions; and generating a discrete fracture network based at least in part on the convex hulls.

Abstract: Reconfigurable nonlinear frequency conversion waveguide chip based on Mach-Zehnder interferometer coupled micro-ring, the method is based on the integration of waveguide components of phase-adjustable Mach-Zehnder interferometers (MZI) and micro-ring resonators. The chip is illustrated by FIG. 1. The MZI couples light and photons into and output of the micro-ring resonator and controls the micorings' quality factor thus optimize the nonlinear frequency conversion processes inside the ring by the phase-modulator inside the MZI. The micro-ring resonator enables the nonlinear optical generation of new frequency light beams and quantum light sources based on the second-order or third-order nonlinear optical process. Other optical waveguide components in region I and III of FIG. 1 are linear optical circuits for power splitting of pump beams and post-process of generated light beams or photons.

Abstract: A semiconductor device and its manufacturing method are presented. The manufacturing method entails: providing a semiconductor substrate, wherein the semiconductor substrate comprises a first region and a second region that are mutually exclusive from one another, with a first oxide layer on the first and the second regions; conducting a nitriding process on the semiconductor substrate to form a nitride barrier layer on the first oxide layer on the first and the second regions; removing the first oxide layer on the second region; and conducting an oxidation process to form a second oxide layer on the second region.

Abstract: A contactor including a pedestal. The pedestal is of a step structure having notches in two ends. The step structure includes a first step and a second step from bottom to top and is covered with a cover body having a matched shape. A part, which protrudes out of the second step, at each of two ends of the first step, is provided with a first mounting groove in which a control terminal and a power terminal that are spaced apart from each other are mounted, and the cover body is provided with a first wiring port corresponding to the control terminal and a second wiring port corresponding to the power terminal. Each of two ends of the second step is provided with a second mounting groove in which an auxiliary terminal is mounted, and the cover body is provided with a third wiring port which corresponds to the auxiliary terminal mounted in the second mounting groove. The contactor has a simple structure, and wiring areas can be distinguished.

Abstract: Disclosed herein are embodiments of filtration systems and iron oxide nanowire-based filter meshes that can capture and inactivate pathogens in air. The filter meshes can include a porous lattice of iron metal and iron oxide nanowires radiating from the porous lattice of iron metal. The iron oxide nanowires radiating from the porous lattice of iron metal can be created by processing the filter mesh using the disclosed method. Pathogens can be inactivated by passing a sample containing the pathogens through the filter mesh and inactivating at least a portion of the pathogens as the sample passes through the filter mesh.

Abstract: A startup stage protection device used in Electric Multiple Unit (EMU) train coupler experiment is provided between two test cars. The startup stage protection device is arranged between and tightly abuts two test cars at the starting stage of the experiment to receive a compressing force in place of the coupler. The startup stage protection device separates from the two test cars after the end of the starting stage.

Abstract: The present invention discloses a method for calibrating controllable phase shifters in a multi-stage staggered Mach-Zehnder interferometer structure on an optical chip, aiming to solve the problem of calibrating the controllable phase shifters in a configurable optical network of the multi-stage staggered Mach-Zehnder interferometers. The technical solution is to calibrate the controllable phase shifters that can be calibrated in the optical network; and then to constitute calibration conditions for and calibrate inner phase shifters that has not been; and finally to constitute calibration conditions for and calibrate outer phase shifters that is not calibrated.

Abstract: A two-dimensional code, a two-dimensional code generation method, identification method, generation apparatus, and identification apparatus, and a storage medium are provided. The two-dimensional code includes a square module array including an array of m*m modules, a location detection pattern and a data information pattern. The location detection pattern determines a location of the two-dimensional code, the data information pattern is configured to carry data information, each module of the array of m*m modules is at least one of a first-type module and a second-type module, a color attribute of the first-type module is different from a color attribute of the second-type module, and m is at least one of 17, 18, 19, and 20.

Abstract: The present invention provides D-lactate dehydrogenase, an engineered strain containing the D-lactate dehydrogenase and a construction method and use of the engineered strain. The present invention discloses a D-lactate dehydrogenase which has unique properties and is from Thermodesulfatator indicus, and the D-lactate dehydrogenase has good thermophily and heat stability. By using the D-lactate dehydrogenase and said gene engineering reconstruction method, a fermentation product of the reconstructed Bacillus licheniformis can be redirected to optically-pure D-lactic acid with a high yield from naturally produced 2,3-butanediol, and the optical purity of the produced D-lactic acid reaches 99.9%; and raw materials for fermentation are low-cost, and a fermentation state is between an anaerobic fermentation state and a microaerobic fermentation state.

Abstract: Reconfigurable nonlinear frequency conversion waveguide chip based on Mach-Zehnder interferometer coupled micro-ring, the method is based on the integration of waveguide components of phase-adjustable Mach-Zehnder interferometers (MZI) and micro-ring resonators. The chip is illustrated by FIG. 1. The MZI couples light and photons into and output of the micro-ring resonator and controls the micorings' quality factor thus optimize the nonlinear frequency conversion processes inside the ring by the phase-modulator inside the MZI. The micro-ring resonator enables the nonlinear optical generation of new frequency light beams and quantum light sources based on the second-order or third-order nonlinear optical process. Other optical waveguide components in region I and III of FIG. 1 are linear optical circuits for power splitting of pump beams and post-process of generated light beams or photons.

Abstract: The present invention provides a quinoline derivative for the treatment of nasopharyngeal carcinoma and use thereof in preparation of a pharmaceutical composition for tumor treatment.

Abstract: In one aspect, a method of manufacturing a protective textile may include steps of (a) twisting a first yarn with a tungsten filament; and (b) using a second yarn to cover the yarn-tungsten product generated in step (a). The yarn generated in step (b) is further twisted with an elastic spandex. In one embodiment, the first yarn is selected from a group of Nylon, Polyethylene Terephthalate (PET), cotton yarn, bamboo fiber and Tencel. In another embodiment, a Polyethylene (PE) fiber is the second yarn, and the third yarn may include Nylon, PET or PE. The protective textile is advantageous because it is light, thin, soft and highly cut resistant. Also, it has great electrical conductivity and chemical stability, and it is not easy to deform after washing.

Abstract: Embodiments of this application disclose an object on which a two-dimensional code is disposed, a two-dimensional code generation method, identification method, generation apparatus, and identification apparatus, and a storage medium. The two-dimensional code includes a square module array of m*m modules. The square module array includes a location detection pattern and a data information pattern. The location detection pattern is used for determining a location of the two-dimensional code. The data information pattern is used for carrying data. m=17 or 18 or 19 or 20. Even if printed in a miniature area whose side length is 0.5 cm to 0.7 cm, a miniature two-dimensional code provided in the embodiments of this application can still be normally identified, and is suitable for being used in a small area application scenario such as an inner side of a bottle cap or a corner of an object.