Abstract: A method for manufacturing a semiconductor structure includes: a substrate is provided, in which the substrate is provided with a peripheral area and an array area; an insulation layer is formed on the substrate; a first mask layer with a first mask pattern is formed on the insulation layer; the insulation layer is etched by taking the first mask layer as a mask, to form a contact hole in the array area; a first electrode layer is formed; a second mask layer with a second mask pattern is formed, in which the second mask layer is arranged on the first electrode layer; and the first electrode layer and the first mask layer are etched by taking the second mask layer as a mask until the insulation layer in the array area is exposed, in which a remaining portion of the first electrode layer forms a lower electrode layer.

Abstract: The present application provides a preparation method for a core-shell structured tungsten/gadolinium oxide functional fiber for X and ? ray protection, comprising: first preparing a core-shell structured tungsten/gadolinium oxide powder; preparing a W@Gd2O3/PP blended melt from the powder; and preparing a W@Gd2O3/PP composite fiber from the blended melt. The core-shell structured tungsten/gadolinium oxide functional fiber prepared by the method can play a role in synergistic protection in the aspect of radiation protection, eliminate a weak protection area, and effectively absorb secondary radiation generated by radiation. Secondly, the prepared functional fiber has the characteristics of no lead and light weight, and has good application prospects in the aspect of X and ? ray radiation protection.

Abstract: Embodiments of the present disclosure provide a patterning method and a semiconductor structure. The method includes: providing a substrate, wherein the substrate includes adjacent storage regions and peripheral circuit regions; forming, on the substrate, a pattern transfer layer, the pattern transfer layer having a plurality of first hard masks, wherein the first hard masks extend along a first direction and are spaced apart from each other; forming a barrier layer on the pattern transfer layer; forming, on the barrier layer, a plurality of second hard masks, the plurality of second hard masks extending along a second direction, wherein the second hard masks are spaced apart from each other, and the second hard masks are located in the storage regions and second hard masks close to the peripheral circuit regions have structural defects.

Abstract: The present disclosure provides a memory device that includes a film stack having functional tiers stacked in a first direction. Each functional tier includes a first dielectric layer and a conductive layer. The memory device also includes channel structures disposed in an array core region, wherein each channel structure extends through the film stack in the first direction. Each channel structure includes a control gate in a center, a memory film that is disposed on a sidewall of the control gate and includes a ferroelectric film. Each channel structure also includes a channel layer disposed on a sidewall of the memory film.

Abstract: A memory, a controlling method thereof, a memory system and an electronic device are disclosed. The memory can include a semiconductor layer and a memory array disposed on the semiconductor layer. The memory array can include a plurality of memory strings connected with the same bit line. Each memory string can include a memory cell and a select cell connected on at least one side of the memory cell. The select cell can include a first kind of transistors with a first threshold voltage and a second kind of transistors with a second threshold voltage. The first kind of transistors can be connected with the second kind of transistors. The first threshold voltage can be different from the second threshold voltage. Different memory strings can be controlled to be on or off to realize selective controlling functions for a plurality of memory strings connected with the same bit line.

Abstract: The present disclosure discloses a capacitor structure and its formation method and a memory. The method includes: providing a substrate; forming an electrode support structure on the substrate in a stacking fashion, wherein the electrode support structure includes at least a first support layer on its top, a capacitor hole is formed at intervals within the electrode support structure and extends upwards in a direction perpendicular to a surface of the substrate; forming, within the capacitor hole, an electrode post and an electrode layer extending from the electrode post to the upper surface of the first support layer; removing the electrode layer; removing the first support layer; forming a dielectric layer on the top of the electrode support structure, wherein the dielectric layer covers the top of the electrode post, and an outer peripheral wall of the top of the electrode post is connected with the dielectric layer.

Abstract: Disclosed are a catalyst component and a catalyst for olefin polymerization, and an olefin polymerization method. The catalyst component comprises magnesium, titanium, a halogen and an internal electron donor, wherein the internal electron donor comprises a monocarboxylic acid ester compound and a diether compound, and the molar ratio of the monocarboxylic acid ester compound to the diether compound is (0.0035-0.7):1. By using the catalyst, a polymer having both a high isotactic index and a high melt flow index can be prepared.

Abstract: Provided are a phosphorescent organometallic complex and a use thereof. The metal complex has a ligand with a structure represented by Formula 1 and may be used as a light-emitting material in an electroluminescent device. These novel metal complexes can not only maintain low voltage and improve device efficiency in electroluminescent devices but also greatly reduce the half-peak width of light emitted by these devices so as to greatly improve color saturation of the light emitted by these devices, thereby providing better device performance. Further provided are an electroluminescent device and a compound formulation.

Abstract: The present disclosure provides a direct current (DC) transformer error detection apparatus for a pulsating harmonic signal, including a DC and pulsating harmonic current output module and an external detected input module, where the DC and pulsating harmonic current output module outputs a DC and a DC superimposed pulsating harmonic current to an internal sampling circuit and a self-calibrated standard resistor array; and the internal sampling circuit converts the input DC and the input DC superimposed pulsating harmonic current into a voltage signal, and sends the voltage signal to an analog-to-digital (AD) sampling and measurement component through a front-end conditioning circuit and a detected input channel. The DC transformer error detection apparatus can complete self-calibration for measurement of the DC and the pulsating harmonic signal on a test site.

Abstract: A method for data erasing of a non-volatile memory device is disclosed. The memory includes multiple memory cell strings each including a select gate transistor and multiple memory cells that are connected in series. The method comprises applying a step erase voltage to one memory cell string for an erase operation, the step erase voltage having a step-rising shaped voltage waveform. The method further comprises, during a period when the step erase voltage rises from an intermediate level to a peak level, raising a voltage of the select gate transistor from a starting level to a peak level, and raising a voltage of a predetermined region from a starting level to a peak level, such that a gate-induced drain leakage current is generated in the one memory cell string. The predetermined region is adjacent to the at least one select gate transistor and includes at least one memory cell.

Abstract: The present application provides a preparation method for a core-shell structured tungsten/gadolinium oxide functional fiber for X and ? ray protection, comprising: first preparing a core-shell structured tungsten/gadolinium oxide powder; preparing a W@Gd2O3/PP blended melt from the powder; and preparing a W@Gd2O3/PP composite fiber from the blended melt. The core-shell structured tungsten/gadolinium oxide functional fiber prepared by the method can play a role in synergistic protection in the aspect of radiation protection, eliminate a weak protection area, and effectively absorb secondary radiation generated by radiation. Secondly, the prepared functional fiber has the characteristics of no lead and light weight, and has good application prospects in the aspect of X and ? ray radiation protection.

Abstract: Embodiments of the present application provide a method for controlling a network connection, a terminal and a non-transitory storage medium. The method includes: detecting a state of a terminal, where the terminal is configured to communicate with both of a first base station and a second base station in the dual connectivity mode and the state of the terminal represents a connection status between the terminal and a network where the first base station locates; and prohibiting the terminal from connecting with the second base station in response to the state of the terminal representing the terminal is in an idle state and the terminal having been in the idle state for a predetermined time.

Abstract: Disclosed is a nonlinear optimization method for parameters of ocean ecological dynamics model, comprising the following steps: acquiring a state variable set and a parameter set to be optimized; building an ocean ecological dynamics model; acquiring a final cost function equation group; solving the ocean ecological dynamics model to obtain numerical solutions of each state variable; acquiring a Hamilton function of the cost function equation group under a constraint condition, and acquiring an adjoint equation based on the Hamilton function; adjusting the parameter set to be optimized based on the adjoint equation to obtain an optimal parameter set.

Abstract: Disclosed is an electrical capacitance volume tomography applied to flow monitoring in a Venturi tube of a cryogenic fluid (such as liquid nitrogen (˜78K) and liquid oxygen (˜90K)). The device includes a conductor rod, a metal shell, a Venturi tube, an electrode plate sleeve, an electrode plate and annular connecting shells. According to the device, an electrode plate and electrode plate sleeves which are attached to the surface of a Venturi tube are arranged according to the variable-diameter characteristic of the Venturi tube, meanwhile, a corresponding wire connecting structure is designed, and a shielding shell is designed according to the characteristic that electrical capacitance volume tomography needs shielding. The device has the advantages of being simple and stable in structure, easy to disassemble and assemble, capable of being disassembled and assembled many times and capable of being rapidly connected with other pipelines.

Abstract: Styling shampoo compositions which comprise (a) a cationic polymer with charge density of from 2 to 10 meq/gram; (b) at least one anionic surfactant selected from sulfate anionic surfactants and amino acid anionic surfactants; and (c) optionally an amphoteric or non-ionic surfactant or combination thereof, wherein the amount of (a) is from 0.3 to 10 wt %, based on the weight of the styling shampoo compositions.

Abstract: A three-phase converter and a control method thereof are provided. The three-phase converter includes an AC terminal, three filter circuits, three bridge arm circuits, a capacitor module and a DC terminal connected in sequence and a controller. The midpoints of the filter circuits are connected to the midpoint of the capacitor module. The controller controls each bridge arm circuit to work in the first and second modes at different time in one line voltage cycle of the AC source. In the first mode, the bridge arm circuit works in a clamping state. In the second mode, the bridge arm circuit selectively works in a DCM mode or a TCM mode. A switching frequency is limited to be lower than a preset frequency. When the three-phase converter works with over 80% of a rated load, a time length of working in the second mode is ?˜? of the line voltage cycle.

Abstract: Disclosed are strains capable of reducing heavy metal contents in vegetables and improving quality of vegetables and application thereof. Specifically, the strains are strains W7 and W25, which can reduce heavy metal contents, especially cadmium (Cd) contents, in plants, promote growth of plants, increase Vc and soluble protein contents in plants, and increase a microbial abundance and a urease activity in the soil at the same time, and can be widely applied to the fields of soil improvement, crop biomass increase, and soil heavy metal restoration.

Abstract: A three-phase power supply system includes three phase branches forming a delta connection. Each of the phase branches includes at least one power conversion cell of at least two stages. The at least one power conversion cell of each of the phase branches is connected in parallel to the at least one power conversion cell of the respective other two phase branches. When one of the phase branches stops operating, the other two phase branches keep operating, and three phase current of the three-phase power supply system can be balanced by regulating active powers and reactive powers of the other two phase branches. Through the invention, when one of the phase branches stops operating, the other two phase branches may keep operating, and three phase current of the three-phase power supply system are balanced.

Abstract: Disclosed are three-phase system and distributed control method. The three-phase system comprises three-phase circuits, of which each phase circuit including at least one power conversion cell; and at least three phase controllers for controlling each phase circuit, respectively, each phase controller including a communication interface through which the at least three phase controllers are in communications connection with each other; wherein the phase controllers of each phase circuit is configured for regulating bridge arm voltages of the at least one power conversion cell in the phase circuit by receiving signals sent from the phase controllers of other two phase circuits through the communication interface. The three-phase system and the distributed control method of the invention solve problems of balance of three-phase current and stabilization of three-phase DC voltages by coordination among the three phases.

Abstract: Disclosed is an electrical capacitance volume tomography applied to flow monitoring in a Venturi tube of a cryogenic fluid (such as liquid nitrogen (˜78K) and liquid oxygen (˜90K)). The device comprises a conductor rod, a metal shell, a Venturi tube, an electrode plate sleeve, an electrode plate and annular connecting shells. According to the device, an electrode plate and electrode plate sleeves which are attached to the surface of a Venturi tube are arranged according to the variable-diameter characteristic of the Venturi tube, meanwhile, a corresponding wire connecting structure is designed, and a shielding shell is designed according to the characteristic that electrical capacitance volume tomography needs shielding. The device has the advantages of being simple and stable in structure, easy to disassemble and assemble, capable of being disassembled and assembled many times and capable of being rapidly connected with other pipelines.