30results about How to "Ease volatility" patented technology

The present application provides a method for regulating the storage state of a resistive variable memory. The resistive variable memory includes two electrode layers and an insulating layer between the two electrode layers. The two electrode layers are respectively the first electrode layer and the second electrode layer. At least one electrode layer is a ferromagnetic electrode layer. The storage state regulation method Including: step S1, applying a first voltage between two electrode layers, so that the potential of at least one ferromagnetic electrode layer is higher than the potential of the other electrode layer, so that a magnetic channel is formed in the insulating layer; step S2, applying a voltage to the two electrodes A second voltage is applied between the layers to cause a phase transition of the ferromagnetic material in one of the ferromagnetic electrode layers. This control method does not involve the fracture process of conductive filaments, which alleviates the fluctuation of resistance transition, and makes the RRAM array formed by RRAM more widely used. This control method is easy to operate, can reduce the cost of memory peripheral circuit design, and is beneficial to Its large-scale integration and practical application.

An ECU of a control apparatus further alleviates a fluctuation in a power generation amount of a fuel cell stack with respect to the power required by an inverter apparatus, when a power supply circuit configured by each of contactors and a power supply inlet 11a supplies the power to the inverter apparatus compared with when a vehicle is driving. The ECU, when the power supply circuit supplies power to the inverter apparatus, stops the power generation of the fuel cell stack in a case where a remaining capacity in a battery is greater than or equal to a predetermined remaining capacity, and inhibits the fuel cell stack from stopping the power generation in a case where the power supplied to the inverter apparatus by the power supply circuit is greater than or equal to a predetermined power supply amount.

The invention relates to an out-of-season cultivation method of fresh gingers. The method comprises the steps that A, a film tunnel is set up, wherein atomization and spray irrigation equipment is installed inside the tunnel and an atomizer is installed at the top inside the tunnel; B, the middle and the two sides inside the tunnel in the longitudinal direction are respectively provided with a water collecting ditch, and net pipes are embedded in the lower portions of the water collecting ditches, wherein the net pipes are used for collecting and temporarily storing warm water leaking from the water collecting ditches, and enabling the warm water to well permeate towards the sand layers and the underground, and meanwhile heat energy is transmitted to the soil layers and the underground along with the permeation of the warm water; C, ridging cultivation is carried out, wherein high and low ridges are adopted for planting, low-density shallow layers are adopted for planting on the low ridges, and high-density deep layers are adopted for planting on the high ridges; D, planting and harvesting are carried out, wherein the fresh gingers start to be planted when seed gingers are harvested on other places in November of Gregorian calendar, the planted fresh gingers on the high ridges can be harvested and dug before and after the Spring Festival, young gingers and old gingers appear on the market at the same time, and the planted fresh gingers on the main planting rows of the low ridges can be harvested and dug successively after the Tomb-sweeping Day of the next year to October of Gregorian calendar. According to the method, the time when the fresh gingers appear on the market is the best-selling period (in summer and autumn), the fresh gingers can directly appear on the market after being harvested, storage equipment and storage troubles are reduced, and natural risk and market risk are avoided completely.

The invention discloses a sewage filtering and impurity removing device. The device comprises a filtering treatment barrel, a driving insertion shaft is rotationally connected to the middle position of the bottom end in the filtering treatment barrel, a recycling groove is fixedly connected to the middle position of the bottom end outside the filtering treatment barrel, driving fan blades are uniformly and fixedly connected to the periphery of the outer surface of the driving insertion shaft, a transmission insertion rod penetrates through the interior of the top end of the driving insertion shaft and is slidably connected with the interior of the top end of the driving insertion shaft, the bottom of the driving insertion shaft communicates with the interior of the recovery tank, a liquid guide inner pipe is arranged in the middle of the interior of the transmission insertion rod, a floating convex head is fixedly connected to the top of the end, away from the driving insertion shaft, of the transmission insertion rod,the top of the filtering treatment barrel is rotated and connected with an auxiliary connecting rod, the end, away from the filtering treatment barrel, of the auxiliary connecting rod is rotationally connected with a floating carrier plate, and the top of the floating carrier plate is fixedly connected with a material guiding and swinging mechanism. According to the sewage filtering and impurity removing device, part of grease accumulated in the center position is filtered through the centrifugal force of rotation.

The invention relates to a controls strategy of a distributed photovoltaic energy-storage micro grid. The control strategy comprises that in the grid-connected state, the micro grid runs in a network manner, a battery energy-storage system works in a power constant control mode, when an active switching instruction is received, the power of the battery energy-storage system is adjusted, the micro grid is disengaged from the power grid and runs independently, and a micro-grid system executes an off-grid operation control strategy; meanwhile, the battery energy-storage system works in a voltage / frequency-constant control mode; and when a grid-connected instruction is received, the micro grid and the power grid run in the networked manner, the battery energy-storage system works in a PQ mode, and the micro-grid system executes a grid-connected operation control strategy. Self intermittence and fluctuation of distributed photovoltaic power generation can be alleviated, and the access capability and the grid-connected electric energy quality of distributed photovoltaic power generation are improved.

The invention relates to a heat-storage flat-plate solar heat collector. The heat-storage flat-plate solar heat collector comprises an aluminum frame body, a transparent glass cover plate, a photovoltaic module, a heat absorption plate, a PCM heat storage unit and a passage. The transparent glass cover plate and the heat absorption plate fixedly support and are connected to the middle portion andthe upper portion of the inner side of the aluminum frame separately through clamping grooves. The photovoltaic module is placed on the upper portion of the heat absorption plate. The lower portion ofthe heat absorption plate is filled with the PCM heat storage unit. The PCM heat storage unit is connected with a cooling medium inlet / outlet in the side face of the aluminum frame and is used for achieving integrated comprehensive utilization of solar photovoltaic heat and heat storage. According to the heat-storage flat-plate solar heat collector, the PCM heat storage technique and the solar photovoltaic heat technique are combined, so that temperature fluctuation of photovoltaic cells is effectively reduced, and the photoelectric conversion efficiency is improved; meanwhile, integrated heat storage of a solar energy utilization device is achieved, the challenges of instability and intermittency of solar energy are overcome, and a stable heat source can be provided to meet heat and temperature requirements in various time periods; and the heat-storage flat-plate solar heat collector is simple in structure and convenient to use, can be combined with a building easily, and can be widely developed and popularized.

The invention discloses a filtering device. One end of the filtering device is an air inlet end and the other end of the filtering device is a connection end; the air inlet end is provided with an annular filtering cavity into which an air inlet pipe of a vacuum adjusting device is inserted; the connection end is combined with a shell of the vacuum adjusting device; the filtering cavity is internally provided with annular filtering sponge which is coaxial with the air inlet pipe; an air vent is arranged on the wall face, which is located below the filtering sponge, of the filtering cavity; a buffering cavity communicated with the air vent is arranged at the outer side of the filtering cavity; one side, which is far away from the connection end, of the buffering cavity is provided with an air inlet communicated with external atmosphere; and the connection end is provided with a bent part which enables air to flow in an opposite direction to reach the air vent. The invention further discloses the vacuum adjusting device. The filtering device disclosed by the invention is applicable to various vacuum adjusting devices and can ensure smooth air feeding of the vacuum adjusting devices for a long time so as to avoid blocking and reduce the times of maintenance.

The invention discloses a dynamic-compensation-based cleanliness factor detection method and a dynamic-compensation-based cleanliness factor detection device. The dynamic-compensation-based cleanliness factor detection method comprises the following steps of determining the working medium heat absorption capacity Qgz, heat exchange temperature pressure Delta t and ideal heat exchange coefficient k1x of a heating surface according to field data acquired in real time, performing dynamic compensation and correction on the heat exchange temperature pressure Delta t according to the working medium heat absorption capacity Qgz of the heating surface to obtain a dynamically compensated and corrected actual heat exchange coefficient Deltatcp, calculating a corrected actual heat exchange coefficient ksjcp according to the working medium heat absorption capacity Qgz of the heating surface and the dynamically compensated and corrected heat exchange temperature pressure Delta tcp, and calculating a cleanliness factor CF by utilizing the corrected actual heat exchange coefficient ksjcp and the ideal heat exchange coefficient k1x. According to the method and the device, the heat exchange temperature pressure is dynamically compensated and corrected, so that dynamic response characteristics of a flue gas side and a working medium side tend to be consistent in a variable working condition process, the anomaly trend of a cleanliness factor calculation result under a variable working condition is effectively inhibited, the fluctuation of a calculated curve is relieved, and the calculation accuracy and the adaptability under all working conditions are enhanced.

The invention discloses an automatic control method for large valve switching of an ethylene cracking furnace, including: initialization and initial permissible work inspection, switching the cracking furnace mode from a hot standby mode to a large valve automatic switching mode, and starting the pressure difference stable state judgment logic , start the closing action of the pyrolysis gas valve until the pressure difference PDZI of the large valve reaches the first set value, stop closing the cracking gas large valve; after the pressure difference of the PDZI large valve reaches the first set value, start to open the coke cleaning gas large valve Action: After opening the coke cleaning gas valve to a certain valve position, start the judgment logic of pressure difference stability state, continue to open the coke cleaning gas valve after the pressure difference is stable, until the PDZI pressure difference is less than the second set value, stop opening the coke cleaning gas valve valve; repeat the operation until the cracking gas valve is completely closed / coke-cleaning gas valve is fully opened. The method has fast adaptive control response and reduces manual operations, which is conducive to improving the stability of the cracking furnace mode switching process and the control accuracy of pressure difference, and reduces the safety risk of the device.

Provided is a method for developing biological trace evidence on a porous object, including immersing a porous object in a biological fluorescent development reagent or spraying the reagent on the porous object, drying the porous object in an environment having a relative humidity of less than 40% at a temperature of 50° C.-120° C. irradiating the dried porous object with a laser having a wavelength of 532 nm and a full width at half-maximum of less than 1 nm, controlling a surface of the porous object with an illuminance of over 300,000 lux, and using a cut-off filter under 540 nm to develop the biological trace evidence. A raw material formulation of the reagent is, in percent by weight, 0.02%-0.5% of indanedione, 4%-10% of ethyl acetate, 0.5%-1.5% of glycerol, 5%-15.5% of pure alcohol, and 73.5%-90% of petroleum ether.

The invention relates to a cantilever type overflow weir, which comprises a weir plate, a cantilever, a tray overflow port and a weir plate opening. The weir plate is connected with the cantilever and stretches into a downspout; and the tray overflow port is formed between the weir plate and a tray outlet. The structure can eliminate resonance formed by fluid and a tower device at a low air speed, damage the fluctuation of a liquid layer on the plate, expand lower limit for operation and increase the elastic range by 5 to15 percent; when a liquid level is small, liquid flow directly enters the downspout from the tray overflow port without throwing beyond the weir so as not to form an air cavity in the downspout; when the liquid level is large, liquid overflows from the tray overflow port and the weir plate to reduce the height of liquid head on the weir by splitting the liquid; thus the liquid flow on the plate more tends to be plug flow to relieve retention and back-mixing; two streams of liquid flow interact in the downspout to help the gas liberation; the weir plate opening on the weir plate can discharge part of the liquid. The cantilever type overflow weir has a simple structure, can improve the operational stability of the tray and the downspout and is applicable to various liquid levels.

Two rotary mechanism parts (70, 80) are provided in a rotary expander (60). The first rotary mechanism part (70) is smaller in displacement volume than the second rotary mechanism part (80). A first low-pressure chamber (74) of the first rotary mechanism part (70) and a second high-pressure chamber (83) of the second rotary mechanism part (80) are fluidly connected together by a communicating passageway (64), thereby forming a single expansion chamber (66). High-pressure refrigerant introduced into the first rotary mechanism part (70) expands in the expansion chamber (66). An injection passageway (37) is fluidly connected to the communicating passageway (64). When an motor-operated valve (90) is placed in the open state, high-pressure refrigerant is introduced into the expansion chamber (66) also from the injection passageway (37). This makes it possible to inhibit the drop in power recovery efficiency, even in the condition that causes the actual expansion ratio to fall below the design expansion ratio.

The invention relates to a medical device, and specifically discloses an automatic pressure-regulating type crushing stone cleaning system. The lithotripsy system includes an electronic mirror and a mirror sheath. The mirror sheath includes a sheath body and a sheath tube. The sheath tube is provided with a drainage channel, and the sheath body is provided with a transition to communicate with the drainage channel. chamber; the sheath body is provided with a discharge port and a pressure regulating port communicated with the transition chamber; it also includes a renal pressure monitoring module, which includes a pressure measuring tube and a hydraulic pressure detection tube communicated with the pressure measuring tube device, a regulating valve is provided between the hydraulic detection device and the pressure measuring tube, and a liquid filling channel is provided on the regulating valve, and the pressure measuring tube passes through the regulating valve, the hydraulic detection device and the liquid adding channel to select one connected. The above-mentioned crushed stone clearing system automatically balances the pressure in the kidney through the pressure regulating port, reduces the fluctuation of the pressure in the kidney, improves the safety of the operation, and simplifies the operation procedure.

The invention provides a distributed photovoltaic power generation electric quantity distribution system and method. The distributed photovoltaic power generation electric quantity distribution system comprises a photovoltaic system, a grid connection device (3) and a charging device (2). The photovoltaic system comprises a photovoltaic power generation device (7) and an electricity storage device (6). The distributed photovoltaic power generation electric quantity distribution system is characterized in that the system is further provided with a controller (1), the grid connection device (3) is provided with an inversion output device (4) and a rectification input device (5), the controller receives information about electricity consumption peaks and valleys from the charging device (2) and receives information about a stored electric quantity from the electricity storage device (6), and the controller (1) controls the on-off states of the inversion output device (4) and the rectification input device (5) according to the above information. The method comprises the steps of: a, judging whether a current period is an electricity consumption peak or an electricity consumption valley; b, judging the stored electric quantity of the electricity storage device; and c, determining whether to output the power generated by the photovoltaic system externally or to charge the electricity storage device by a power grid. By adopting the system and the method, the power generation capability and the electricity storage capability of the household photovoltaic power generation system are fully utilized, peak clipping and valley filling are realized, the electricity shortage of a power grid peak is remedied, and the fluctuation of the power grid is relieved.

The invention discloses a centralized hybrid energy storage coordination control method based on multi-time scale demand response, comprising the following steps: S1, constructing a multi-type demand power characteristic model of users; S2, constructing a multi-time scale demand response model; S3 1. Determine the coordinated control strategy of the centralized hybrid energy storage system according to the multi-type demand power consumption characteristic model and the multi-time scale demand response model; the method provided by the invention is based on the charging and discharging characteristics, state of charge and user The characteristics of multiple types of demand Formulate the charging and discharging strategy of the centralized hybrid energy storage system to promote the consumption of clean energy, optimize the system operation quality and improve the operating economy of the centralized hybrid energy storage system.

The present invention relates to the technical field of high-pressure oil pipes of diesel engines, and discloses a method for reducing fuel pressure fluctuations in high-pressure oil pipes of electric fuel injection diesel engines, including the following process: S1, device fixed installation: the shock absorbing mechanism is socketed through its own specific installation method on the outside of the high-pressure oil pipe body; S2, detection counterweight: when the corresponding structure is installed, perform device performance detection; S3, secondary installation: when the weight is detected to be inappropriate, change the number of individuals in the shock absorbing mechanism again, S4, Use: after the secondary installation is proper, the device can be used; S5, direct use: when the counterweight is checked, it is detected that the weight of the installed shock absorbing mechanism is suitable, and the device can be used directly. This method for reducing fuel pressure fluctuations in the high-pressure fuel pipe of an EFI diesel engine is used to weaken the fluctuations generated by the high-pressure fuel pipe itself, thereby achieving the function of protecting the high-pressure fuel pipe body. It is relatively simple to install and disassemble.