Abstract: An alternating current contactor comprises a base and a magnetic yoke. The magnetic yoke is mounted on a bottom plate of the base. A magnetic yoke support for supporting and buffering the magnetic yoke is respectively provided at two sides of the magnetic yoke, wherein sidewalls at two sides of each magnetic yoke support, which are connected with the magnetic yoke are different in thickness. The magnetic yoke support of the alternating current contactor of the utility model has a simple structure due to the arrangement of an asymmetric eccentric structure. The up-down position of the magnetic yoke relative to the bottom plate of the base can be adjusted by changing an assembly direction of the magnetic yoke supports, thereby achieving the purpose of adjusting the total stroke of the product with high flexibility.

Abstract: A method for detecting a two-dimensional barcode is provided. Binarization processing is performed on an image to obtain a binary image. Whether the binary image has a target pattern is determined, and it is determined that the binary image has a two-dimensional barcode in response to determining that the binary image has the target pattern. An enlarged image of the two-dimensional barcode is obtained, and two-dimensional barcode detection is performed on the enlarged image of the two-dimensional barcode.

Abstract: Provided herein is D-lactate dehydrogenase, an engineered strain containing the D-lactate dehydrogenase, and a construction method and use of the engineered strain. The D-lactate dehydrogenase 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: Aspects of the present invention relate to a plant-protecting RN Ai composition comprising plant-protecting double-stranded RNA adsorbed onto Layered Double Hydroxide (LDH) particles, and to methods for protecting a plant comprising the step of administering to a plant an RNAi composition comprising plant-protecting double-stranded RNA adsorbed onto LDH particles.

Abstract: A method, apparatus and system for controlling a smart device based on a headphone are disclosed. The method includes: collecting, by the headphone, head motion feature data of a human body if a trigger condition of a collection task is satisfied; judging, according to the collected data, whether a target motion feature satisfying a predetermined motion feature is present in head motion feature of the human body; and if the target motion feature is present, acquiring information of an application currently running on the smart device, and generating an operation control instruction corresponding to the target motion feature according to the information of the currently running application and sending the operation control instruction to the smart device. According to the present application, control function may be enhanced for the smart device and control accuracy may be improved.

Abstract: A semiconductor device and its manufacturing method, relating to semiconductor techniques, are presented. The semiconductor device includes a substrate, comprising an NMOS region that has a first groove; and a first separation structure, comprising: a first liner layer on the bottom of the first groove and a side surface of a lower portion of the first groove, a first separation material layer on the first liner layer filling the lower portion of the first groove, a second liner layer on a side surface of an upper portion of the first groove, and a second separation material layer on the first separation material layer and the second liner layer filling the upper portion of the first groove. This inventive concepts improves the performance of an NMOS device.

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 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 semiconductor structure and a fabrication method are provided. The fabrication method includes providing a base substrate including a substrate and a plurality of discrete fins on the substrate; forming a support layer at least partially on sidewalls of the fins; ion implanting the fins through the support layer to form an ion doped region by an ion implantation process; removing the support layer to expose sidewalls of the fins.

Abstract: In one aspect, the present invention relates to a composition for delivery of double stranded RNA to an insect having a basic pH within its alimentary canal, wherein the composition comprises double stranded RNA adsorbed onto a clay complex, and wherein the clay complex is configured to release the double stranded RNA at the basic pH. Other aspects of the invention relate to preparations including the composition of the invention, methods of delivering double stranded RNA to an insect and methods of protecting a crop against an insect.

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: A method for detecting a two-dimensional barcode is provided. Binarization processing is performed on an image to obtain a binary image. Whether the binary image has a target pattern is determined, and it is determined that the binary image has a two-dimensional barcode in response to determining that the binary image has the target pattern. An enlarged image of the two-dimensional barcode is obtained, and two-dimensional barcode detection is performed on the enlarged image of the two-dimensional barcode.

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: 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: Provided herein is D-lactate dehydrogenase, an engineered strain containing the D-lactate dehydrogenase, and a construction method and use of the engineered strain. The D-lactate dehydrogenase 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: Embodiments of the present invention relate to CPU resource management in a computer cluster. A master node selects a CPU core of at least one compute node for an application from a computer cluster, and allocates a portion of resource of the CPU core to the application. The master node re-allocates a new portion of the resource of the CPU core to the application, in response to a trigger event for re-allocation.

Abstract: A locally-activatable bivalent thrombin binding agent is provided having two thrombin binding moieties for non-overlapping sites on a surface of thrombin linked together by a linker. The linker is a polypeptide having 5 to 30 amino acid residues existing in a folded state under an environmental condition where the binding agent is inactive. The linker changes conformation from the folded state to an unfolded state in response to a change in bulk temperature and/or to the presence of hyper-mobile water thereby activating the binding agent. Such locally-activatable thrombin binding agents can be administered systemically while only targeting specific sites of coagulation or inflammation since the thrombin binding agent will only activate at the site where the existence of atherosclerotic plaques has changed the local bulk temperature and/or created hyper-mobile water sufficiently to unfold the linker and activate the binding agent.

Abstract: An alternating current contactor comprises a base and a magnetic yoke. The magnetic yoke is mounted on a bottom plate of the base. A magnetic yoke support for supporting and buffering the magnetic yoke is respectively provided at two sides of the magnetic yoke, wherein sidewalls at two sides of each magnetic yoke support, which are connected with the magnetic yoke are different in thickness. The magnetic yoke support of the alternating current contactor of the utility model has a simple structure due to the arrangement of an asymmetric eccentric structure. The up-down position of the magnetic yoke relative to the bottom plate of the base can be adjusted by changing an assembly direction of the magnetic yoke supports, thereby achieving the purpose of adjusting the total stroke of the product with high flexibility.

Abstract: A method and an apparatus or needle visualization enhancement in ultrasound (US) imaging includes a Radon transform (RT) unit configured to perform RT on a sequence of frames to detect line features in the frames, where a frame includes US radio-frequency (RF) data obtained during monitoring the insertion of a needle into a subject or an US image reconstructed from the RF data. Further, a false needle feature removing unit is configured to remove line features which remain substantially stationary among the frames as false needles while locating a line feature which extends among the frames as the needle; and an overlaying unit is configured to overlay the location of the line feature as the needle on an US image of a frame to produce an enhanced image to be displayed.

Abstract: A semiconductor device and its manufacturing method, relating to semiconductor techniques, are presented. The semiconductor device includes a substrate, comprising an NMOS region that has a first groove; and a first separation structure, comprising: a first liner layer on the bottom of the first groove and a side surface of a lower portion of the first groove, a first separation material layer on the first liner layer filling the lower portion of the first groove, a second liner layer on a side surface of an upper portion of the first groove, and a second separation material layer on the first separation material layer and the second liner layer filling the upper portion of the first groove. This inventive concepts improves the performance of an NMOS device.