52results about How to "Cost impact" patented technology

The invention relates to a method and a device for eliminating a residual image. The method comprises the following steps of: providing a gray level reference voltage or a common electrode voltage with the cyclical change in predetermined amplitude for a liquid crystal display through a voltage-supply circuit. The invention also relates to a device for eliminating the residual image. The device comprises a voltage-supply circuit used for supplying the gray level reference voltage or the common electrode voltage with the cyclical change in the predetermined amplitude to a thin film transistor liquid crystal display. The method and the device for eliminating the residual image can decrease or eliminate the asymmetry which occurs in a positive and negative display region relative to the common electrode voltage and is caused by the deviation between the ideal value and the actual value of the common electrode voltage, thereby decreasing or eliminating the direct-current component loaded on a pixel electrode for a long time, and reducing the degree of the residual image of the thin film transistor liquid crystal display.

The invention relates to an ultrasonic altimeter used for a small unmanned aerial vehicle and belongs to the field of near earth ranging technologies of medium-low speed small unmanned aerial vehicles. An ultrasonic ranging technology is introduced into near earth ranging of the unmanned aerial vehicle, and the designed ultrasonic altimeter is small in volume and is low in power consumption, and is suitable for being installed on the small unmanned aerial vehicle with lighter load. The ultrasonic altimeter comprises an ultrasonic probe and a signal acquisition box, wherein an output signal is time pulse used for enabling the ultrasonic wave to move back and forth between an airplane and the ground. The ultrasonic altimeter has the advantages of low cost, small size, light weight, low power consumption, high precision and high practicability.

The invention discloses a method for reducing the charge and discharge polarization of a lithium air battery with a nonaqueous electrolytic solution. According to the method, the purpose of reducing the charge and discharge polarization of the lithium air battery with the nonaqueous electrolytic solution can be achieved on the basis of neither increasing the battery cost nor reducing the energy density of the battery; the method is simple and easy to realize.

The invention relates to a method of optimizing internal negative pressure of a vacuum device of a textile machine for making cross wound bobbins. The vacuum device has a suction machine group. The textile machine comprises a plurality of workstations with diversified vacuum demands. To satisfy the vacuum demands, the negative pressure should not be lowered to a specified level satisfying a basic demand. The suction power of the suction machine group is adjusted through an adjusting mechanism in a way to provide a negative pressure greater than the specified level as a working requirement when a yarn with higher vacuum demands is reported to be broken during a yarn connecting period or a yarn is cut. According to the embodiments, a yarn head on the side of a winding bobbin is successfully found through the sensor. A success signal is sent to the adjusting mechanism of the vacuum device. Later, a request for higher vacuum demands for related workstation is deleted in the adjusting mechanism.

An intermediate lever (1) for a variable valve gear of an internal combustion engine is proposed, said intermediate lever being present in the form of a solid, bar-like compact block, wherein a supporting surface (3) for a slotted guide track and a run-on surface (4) for a cam disc are applied in the region of one end (2), wherein a surface (6) for the variable lifting transfer of a cam onto a tap of a follow-on member sits at a further end (5), wherein a counter-running surface (8) for a lifting cam runs in a section (7) between the ends (2, 5), and wherein the run-on and counter-running surfaces (4, 8) and also the surface (6) for the variable lifting transfer are sliding surfaces.

The invention discloses a low-acid phenolic resin foam, which is characterized in that the foam is prepared by foaming and curing the following components, by mass: 100 parts of expandable phenolic resin, 2-8 parts of surface active agents, 2-6 parts of fillers, 4-10 parts of foaming agents and 8-15 parts of curing agents. The potential of hydrogen (pH) value of the foam is 4-6. The invention further discloses a preparation method of the low-acid phenolic resin foam. Due to the fact that the low-acid phenolic resin foam contains alkaline powder fillers coated by low-melting-point organic compounds, the coated alkaline powder fillers are released slowly in the curing process of the low-acid phenolic resin foam to perform neutral reaction with acid, thereby greatly reducing acidity in a foam body and then reducing corrosion of the phenolic resin foam on materials contacted with the phenolic resin foam. Additionally, due to the fact that the acidity reduction process and the curing process are performed simultaneously, thereby simplifying operation steps and avoiding problems in the prior art.

The invention discloses a frequency division doubly-fed wind generator comprising a fan, a generator and a transformer. The frequency division doubly-fed wind generator is characterized in that the generator is a doubly-fed generator, the transformer is a low-frequency booster transformer, the fan is connected with the doubly-fed generator through a two-stage gearbox with low speed increasing ratio, and the doubly-fed generator outputs low-frequency alternating current about 50/3Hz. One high-speed rotation gearbox is omitted from the wind generator set, so that operational maintenance cost and generator production cost are reduced greatly, reliability is improved greatly, and the frequency division doubly-fed wind generator is well suitable for the grid connection of large-scale wind farms by frequency division power transmission technology.

A method and a detection entity for detecting attacks in a system including at least two host servers. Each host server hosts a set of virtual machines. The detection entity performs acts of: detecting that a number of migrations of virtual machines from one server to another during a current time period is greater than a threshold value; partitioning the virtual machines of the system into a first subset having a stable profile of consumption of at least one resource, and into a second subset having a fluctuating profile; calculating, for the pairs of virtual machines of the second subset, a value of temporal correlation between the two profiles of the pair; and identifying in the second subset the virtual machines for which the correlation value is greater than or equal to a threshold correlation value, the machines being identified as constituting the origin of the attack.

The invention discloses a chip adaptive configuration method and device, and relates to the electronic equipment field; the method comprises the following steps: to connect each chip to be identified with a testing controller through a testing link; the testing controller scans each chip to be identified through the testing link so as to obtain a chip model of each chip to be identified; to determine configuration parameters of each chip to be identified and/or other chips connected with the chip to be identified according to the chip model of each chip to be identified, and to configure the configuration parameters to the corresponding chip. In a chip power-on process, device scanning is used to obtain the chip model of each chip to be identified, and the obtained chip model is used to carry out different configurations for the corresponding chip, thereby realizing best signal matching between interconnected chips.

The invention provides an MMC sub-module with fault current blocking and self-voltage-sharing capabilities. The MMC sub-module comprises a half-bridge sub-module consisting of switching tubes T1 and T2, diodes D1 and D2 and a capacitor C1, and a sub-module consisting of switching tubes T3, T4 and T5, diodes D3 to D8 and a capacitor C2, wherein the capacitor C1 and the capacitor C2 are connected inparallel through a diode; a connection part between the switching tubes T1 and T2 is connected with one wire outlet end of the MMC sub-module; and the lower end of a two-way switch formed by the diodes D5 to D8 and the switching tube T5 is connected with the other wire outlet end of the MMC sub-module. According to the MMC sub-module, only 2.5 IGBTs are needed for outputting unit level; and compared with an existing sub-module topology with a fault current blocking capacity, the MMC sub-module has the advantage of being more cost-effective. According to the invention, the difficulty of capacitor voltage balance control is simplified by the sub-module; after a fault is locked, when a forward fault current flows through, the capacitors are connected into a fault loop in series; and when a reverse fault current flows through, the sub-module connects the capacitors to the fault loop in parallel, thereby facilitating rapid recovery of a system after a fault.

Methods are provided for forming soy germ concentrate in a soybean processing operation that produces soy bean oil and soybean meal.

The invention relates to the field of vacuum film coating, especially relates to a liquid filling system for anti-fouling film coating and particularly relates to a device suitable for accurately measuring and filling a liquid-state material. The liquid filling system is characterized by at least comprising one dosing device, wherein the dosing device is composed of a dosing controller, a displacement metering valve and a dripping valve; the chemical liquid inlet of the displacement metering valve is communicated with an anti-fouling film material chemical liquid bottle; the chemical liquid outlet of the displacement metering valve is communicated with the dripping valve; the dripping opening of the dripping valve is connected into a crucible; the dosing controller is connected with the displacement metering valve and the dripping valve and used for controlling the displacement metering valve and the dripping valve respectively. The liquid filling system disclosed by the invention has the advantage that automatic vacuum dosing without the need of opening a cavity and breaking a vacuum can be carried out.

The invention discloses a stabilizer and an application thereof, and SBS modified asphalt and a preparation method thereof. The stabilizer is prepared by a method comprising the following steps: carrying out an esterification reaction on a styrene-maleic anhydride copolymer and long-chain alcohol under the action of acid catalysis to obtain the stabilizer. The stabilizer disclosed by the inventioncan stably adsorb and act on polystyrene chains and asphaltene macromolecules of SBS; by utilizing the long-chain alkyl, the agglomeration of SBS and the aggregation and sedimentation of asphaltene in the heat storage process can be prevented, and the dispersion effect of light components in the asphalt on the SBS and the asphaltene can be enhanced, so that the SBS modified asphalt has long-termheat storage stability.

The invention relates to an ultra-low parasitic ESD protection device. The device comprises a P type substrate; a field oxide layer is formed on the P type substrate and is a polysilicon layer; one end of the polysilicon layer is a P+injection region, the other end of the polysilicon layer is a N+injection region, the middle part of the polysilicon layer is an intrinsic region; and a plurality of contact holes are alternately formed on the P+injection region and the N+injection region. Therefore, the ultra-low parasitic ESD protection device has the characteristics of ultra-low parasitic capacitance and ultra-low parasitic resistance, and can ensure excellent releasing capacity.

The invention discloses a quick-drying carton adhesive which is made from raw materials in parts by weight as follows: 40-55 parts of modified starch, 50-66 parts of water, 0.15-0.25 part of nano sepiolite powder, 0.4-0.45 part of potassium permanganate, 0.18-0.25 part of vinyl acetate emulsion, 6.5-8 parts of vinyl acetate, 0.4-0.55 part of sodium hydroxide and 0.05-0.20 part of alum. The quick-drying carton adhesive has the advantages of better paper property, excellent flowability and low possibility of moisture absorption and saltpetering.

The invention discloses an automobile pedestrian horn and a mounting bracket device, comprising a common horn and a woofer installed on the horn bracket, the horn bracket includes a T-shaped plate, and the front and rear end surfaces of the longitudinal section of the T-shaped plate are respectively provided with the vehicle frame. The front fixing plate and the rear fixing plate of the T-shaped plate are connected with an integrally formed folded line plate, and the groove area at the junction of the folded line plate and the T-shaped plate is installed with a common speaker, and a woofer is installed in the groove area at the lower end of the folded line plate; The control buttons of the ordinary horn and the woofer are placed in the center and lower part of the steering wheel of the car respectively. The invention can effectively solve the cracking problem of the horn bracket, can protect pedestrians to a certain extent, has soft sound, and can achieve a good effect in terms of warning.

The invention discloses a power supply module, a power supply control circuit and a method for improving insufficient discharge of a display panel, which belong to the technical field of display panels. The power supply module comprises a timing and voltage controller, a register unit connected with the timing and voltage controller, a voltage generating unit connected with the register unit, andan external power supply input unit. The register unit is provided with a first temporary storage space and a second temporary storage space. The current output from the first temporary storage spaceto the current output pin of a rectifier tube is greater than the current output from the second temporary storage space to the current output pin of the rectifier tube. According to the invention, different adjustment current corresponds to different adjustment tube voltage, and thus achieving the purpose of generating two different VGHs; shutting down and VGH voltage upraise are realized simplythrough software adjustment; a peripheral hardware circuit is not added; and the cost and the layout of the PCB space are not affected.

The invention discloses a medicinal preparation used for protecting the livestock and poultry from diarrhea, which comprises the following raw materials by weight ratio: 1-20 parts of Radix Astragali, 1-20 parts of bighead atractylodes rhizome, 1-20 parts of licorice, 2-40 parts of white peony root, 20-150 parts of Limonite, 20-150 parts of red halloysite, 2-20 parts of pomegranate rind, 20-100 parts of alum, 3-30 parts of radix bupleuri, 4-10 parts of cimicifuga foetida, 1-20 parts of coptis and 0-3 parts of diphenoxylate. The components of the medicinal preparation are direct and mutual synergism, and has efficacy of supplementing the center and boosting qi, lifting up Yang and depression, antidarrhea with astringent, inhibiting smooth muscle spasm of gastrointestinal tract and alleviating peristaltic of gastrointestinal tract, and is capable of rapidly recovering the functions of gastrointestinal tract, thereby, the medicinal preparation has an obvious function of weight increasing.

A hardware optimization method for a CPU comprises the following steps: (1) hardware of a system is designed, wherein the system comprises a master controller, a storage controller, an external bus interface and other modules; (2) a burst region is set, wherein the burst region and a non-burst region in an internal storage can be set simply through a burst address editor; (3) a burst mode is used, wherein the burst mode can be started when the length of data is larger than 32 bits. The hardware optimization method for the CPU has the advantages that the hardware optimization method is completely compatible with an X86 instruction set, and a burst read-write region can be configured entirely to conduct segmented optimization of data read-write; with respect to hardware deign, a peripheral circuit is not added, the number of logic gates of the CPU is rarely increased, and therefore the cost of the system is not affected; the execution time of an instruction is greatly shortened, and the number of bus visit times of the CPU is reduced; the hardware optimization method can be popularized to the CPU design of other CISC or RISC instruction sets, thereby being wide in application range.