602 results about "Phase state" patented technology

There are provided a phase change-type memory element, which can reduce a reset pulse current value necessary for returning the phase state from an ON state to an OFF state, can improve integration density, is not restricted by the process temperature at the time of the production thereof, and can be simply produced, and a process for producing the same. The phase change-type memory element comprises: two or more electrodes provided opposite to each other through an insulating layer; an exposed surface on which at least a part of the insulating layer and at least a part of each of the electrodes are exposed; and a phase change recording material layer provided, on the exposed surface, in contact with the at least two electrodes. The production process of the phase change-type memory element comprises the steps of: providing two or more electrodes opposite to each other through an insulating material; forming an exposed surface on which at least a part of the insulating material and at least a part of each of the electrodes are exposed; and forming a phase change recording material layer on the exposed surface so as to be in contact with at least two of the electrodes.

In a plasma processing apparatus; a refrigerant flow passage being formed in the sample table and constituting an evaporator of a cooling cycle and the in-plane temperature of the sample to be processed is controlled uniformly by controlling the enthalpy of the refrigerant supplied to the refrigerant flow passage and thereby keeping the flow mode in the refrigerant flow passage, namely in the sample table, in the state of a gas-liquid two-phase. If by any chance dry out of the refrigerant occurs in the refrigerant flow passage because the heat input of plasma increases with time or by another reason, it is possible to increase speed of a compressor and inhibit the dry out from occurring in the refrigerant flow passage. Further, if the refrigerant supplied to the refrigerant flow passage is liquefied, it is kept in the gas-liquid two-phase state.

An optical fiber having a longitudinal direction and a cross-section perpendicular thereto, the optical fiber includes a core region; and a micro-structured cladding region, the cladding region surrounding the core region and having longitudinally extending micro-structure cladding elements arranged in a background cladding material, the micro-structured cladding elements having cross-sectional sizes which are equal or different, at least a number of the cladding elements being arranged in a substantially two dimensional periodic manner or a Bragg-type of manner, such as concentric rings of cladding elements surrounding the core, and the at least a number of the cladding elements are filled in at least one longitudinally extending section of the optical fiber with a liquid crystal material. The at least one filled section exhibits a photonic bandgap effect for at least one phase state of the liquid crystal.

A preparation method of completely peeled oxidation graphene / rubber nanometer composite material adopts combination of emulsion compounding and flocculation processes or combination of emulsion compounding and spraying drying processes. The preparation method retains the phase state structure of the oxidation grapheme / rubber composite emulation in the liquid state and obtains the phase-state structure which is highly dispersed, highly peeled and dispersed in nanometer scale dispersion. Simultaneously, substances capable of acting with generating ionic bond effect or chemical bond effect with an oxidation graphene surface functional group are added into the oxidation graphene / hydrosol to serve as an interface agent, thereby improving interface combination effect of oxidation graphene and rubber. Vulcanized rubber prepared by the composite material of the preparation method through follow-up mixing and vulcanizing has mechanical property such as high tensile strength, stretching stress and tearing strength and is capable of greatly improving abrasion resistance and gas separation performance of the vulcanized rubber. The preparation method is simple, easy, low in cost, apt to industrialization and wide in suitable aspect, saves energy and has better economical and social benefits.

There is provided an electro-optical component comprising (a) a substrate, (b) a phase-variable element carried on the substrate, (c) a memory carried on the substrate for storing data representative of a phase state for the phase-variable element; and (d) a controller carried on the substrate, for utilizing the data and setting the phase state for the element. There is also provided an electro-optical component comprising (a) a substrate, (b) a phase-variable element carried on the substrate, and (c) a circuit carried on the substrate for computing and applying a phase state for the phase-variable element.

A method and apparatus for maintaining the single phase integrity of a deep well formation sample that is removed to the surface comprises a vacuum jacket insulated single working cylinder divided by two free pistons into three variable volume chambers. The intermediate chamber is pre-charged with a fixed quantity of high pressure gas. Wellbore fluid freely admitted to one end chamber bears against one free piston to further compress the gas. The formation sample is pumped into the other end chamber to first, displace the wellbore fluid from the first end chamber and, sequentially, to further compress the gas to preserve the sample phase state upon removal to the surface.

A method and apparatus that provides an expert system for determining respiratory phase during ventilatory support of a subject. Discrete phase states are partitioned and prior probability functions and observed probability functions for each state are defined. The probability functions are based upon relative duration of each state as well as the flow characteristics of each state. These functions are combined to determine phase probabilities for each state using Bayes' theorem. The calculated probabilities for the states may then be compared to determine which state the subject is experiencing. A ventilator may then conform respiratory support in accordance with the most probable phase. To provide a learning feature, the probability functions may be adjusted during use to provide a more subject specific response that accounts for changing respiratory characteristics.

The invention discloses a presignal-based active public traffic signal priority control method, which aims to ensure that the service level of public traffic vehicles which pass across crossings is improved to the greatest extent while the service level of social vehicles which pass across the crossings is not obviously reduced. The method comprises the following steps of: firstly, assembling detectors at the crossings which accord with conditions, and arranging a signal machine with computer programs and a signal lamp; secondly, setting green time differences between presignal stop lines andmain signals as well as between the presignal stop lines and presignals; thirdly, judging whether to give signal priority or not according to the operating states of crossings when the detectors detect a public traffic priority application; fourthly, judging the category of an active public traffic signal priority control strategy to be executed according to the current phase state; and finally, realizing signal priority service to the public traffic vehicles according to the control logic and the algorithm of three active public traffic signal priority control strategies of prolonging green light time, inserting public traffic phases and shortening red light time.

A computer-implemented method for automatically analyzing, predicting, and / or modifying acoustic units of prosodic human speech utterances for use in speech synthesis or speech recognition. Possible steps include: initiating analysis of acoustic wave data representing the human speech utterances, via the phase state of the acoustic wave data; using one or more phase state defined acoustic wave metrics as common elements for analyzing, and optionally modifying, pitch, amplitude, duration, and other measurable acoustic parameters of the acoustic wave data, at predetermined time intervals; analyzing acoustic wave data representing a selected acoustic unit to determine the phase state of the acoustic unit; and analyzing the acoustic wave data representing the selected acoustic unit to determine at least one acoustic parameter of the acoustic unit with reference to the determined phase state of the selected acoustic unit. Also included are systems for implementing the described and related methods.

There is provided a process for producing an optical element having a patterned quarter-wave retardation for use in a semitransmission reflection liquid crystal display device in a simple and cost-effective manner. The process comprises the steps of: coating a coating liquid comprising a polymerizable liquid crystal onto a base material to form a coating film; aligning the polymerizable liquid crystal to a liquid crystal phase state; applying an ionizing radiation to the coating film through a photomask to polymerize the polymerizable liquid crystal in the liquid crystal phase state, whereby the polymerizable liquid crystal only in its exposed part is cured to form the liquid crystal layer; and heating the resultant substrate with the coating film formed thereon to bring the polymerizable liquid crystal in the uncured state to an isotropic phase state and, in this state, to polymerize the uncured polymerizable liquid crystal to form an isotropic layer.

The invention provides a light-emitting diode (LED) switch constant-current driving circuit. The LED switch constant-current driving circuit comprises a voltage input module, an energy storage inductor, a freewheel diode, an LED module serving a load, a power tube for draining current and constant current, a detection module for detecting an input voltage phase state, a dimming control module connected to the detection module, an error amplifier connected to the dimming control module, a valley bottom detection circuit for detecting power tube drain voltage, a pulse width modulation circuit connected to the error amplifier and the valley bottom detection circuit, a control circuit for controlling the power tube according to detection voltage and PWM signals and a driving circuit of the power tube, wherein according to the dimming control module, input reference voltage Vref2 of the error amplifier and dimming control signals Vdimo are generated jointly through the detection voltage and reference voltage Vref1; the error amplifier enables the Vref2 to be compared with sampling voltage; and the pulse width modulation circuit is used for generating the PWM signals. According to the LED switch constant-current driving circuit, an electrolytic capacitor is not needed, an electronic transformer and a silicon controlled dimmer are compatible, the unique power tube in multiplexing simultaneously gives consideration to the draining current and the constant current, and the cost is effectively reduced.

The invention discloses a preparation method of a general-purpose multi-metal sulfide nano-material. The preparation method comprises the following steps of: taking two or more different metal diethyldithiocarbamates, or two or more different metal phenanthroline diethyldithiocarbamates, or the combination of the metal diethyldithiocarbamates and the metal phenanthroline diethyldithiocarbamates as reaction predecessors, performing co-thermal decomposition in a mixed solution of surfactants with different coordination properties, and performing nucleation and growth so as to prepare a high-quality multi-metal sulfide nano-material by one step. The multi-metal sulfide prepared by the preparation method disclosed by the invention has the advantages of pure phase state, adjustable composition, uniform and controllable appearance and size, high yield, low toxicity or no toxicity, better dispersivity in a non-polar organic solvent, easiness in control of reaction conditions, mild preparation conditions, simple operation, good repeatability and capability of realizing large-scale production.

An electronic device (100) comprising a heat transfer structure (103) and a phase change structure (104) which is convertible between two phase states by heating, wherein the phase change structure (104) is electrically conductive in at least one of the two phase states, wherein the heat transfer structure (103) is arranged to be heated by radiation (106) impinging on the heat transfer structure (103), wherein the phase change structure (104) is thermally coupled to the heat transfer structure (103) so that the phase change structure (104) is convertible between the two phase states when the radiation (106) impinges on the heat transfer structure (103).

The invention discloses an experiment device for replacing CH4 in an adsorption storage layer by multi-phase-state CO2 and mixed gas, comprising a gas source supply system, a liquid-state CO2 supply system, a pressurizing device, an oil bath heating groove, a gas distribution tank, a three-axis chamber, a gas collection and analysis system and a vacuum-pumping system, wherein the gas source supply system is directly communicated with the gas distribution tank; the liquid-state CO2 supply system is communicated with the gas distribution tank through the pressurizing device; the gas distribution tank is communicated with a gas injection opening of the three-axis chamber; a gas outlet of the three-axis chamber is respectively communicated with the gas collection and analysis system and the vacuum-pumping system; and the three-axis chamber and the three-axis chamber are placed into the oil bath heating groove. According to the experiment device disclosed by the invention, a process of replacing the CH4 in the adsorption storage layer (a coal layer and a shale gas storage layer) by different phase states of CO2 (a supercritical state and a gas state) under the effect of multi-field coupling effect can be simulated; and a process of replacing the CH4 in the adsorption storage layer by different mixed gases can also be simulated, so as to provide an experiment platform for relative experiments and mechanism researches.

The invention discloses a supercritical carbon dioxide fracturing simulation experiment device. The device is characterized in that a pressure chamber, a vacuum saturation system and a carbon dioxide phase state transformation system are included; the pressure chamber comprises a closed cavity, flat jacks and heating rods, wherein the closed cavity is composed of an upper cover plate, a confining pressure barrel and a pressure chamber base which are sealed through a seal ring, the four flat jacks are evenly distributed on the side wall of the confining pressure barrel, the upper cover plate and the pressure chamber base are each fixedly provided with one flat jack, and the heating rods are fixed to the pressure chamber base; the vacuum saturation system comprises a vacuum pump and a saturation hydraulic station; the carbon dioxide phase state transformation system comprises a carbon dioxide gas source, a cooling device and an injection pump, and carbon dioxide is liquefied by lowering the temperature and then transformed to be in a supercritical state through pressurizing and temperature increasing. According to the supercritical carbon dioxide fracturing simulation experiment device, a supercritical carbon dioxide fracturing simulation experiment is conducted on rock and an artificial test piece under the saturated pore pressure condition, the parameters such as the injection pressure, the temperature and the output volume of fracturing fluid in the fracturing process are monitored in real time, a fracture extension rule is acquired, and the device is an experimental platform for researching the supercritical carbon dioxide fracturing mechanism.

The invention discloses a NRIET X-band radar cooperative networking analysis method. The method comprises the steps that data are collected; the data quality is controlled; a distance weight interpolation technology is used, and a three-dimensional cressman interpolation method is used to perform lattice interpolation on radar echo, radial wind and each polarization; three-dimensional data networking is carried out; for a three-dimensional wind field inversed by a dual Doppler radar, the inversed wind field is constrained by a mass continuous equation, and the three-dimensional wind field is acquired by repeatedly iteratively solving the equation; the vertical velocity w is acquired by the mass continuous equation, and a trace boundary condition is used to adjust a vertical motion field, wherein the upper boundary of the mass continuous equation is set to integrate down; based on a radar product reflectivity algorithm, a combined reflectivity puzzle product and an echo top puzzle product are generated; through Z-R relationship, quantitative precipitation is estimated to acquire a rain intensity product; a texture classification method is used to identify a precipitation stratus convection region; and a fuzzy logic algorithm is used to recognize the phase state of precipitation particles in each region at different stages of a precipitation process.

The invention discloses a pavement traffic signal lamp coordination control method based on reinforcement learning. Monitoring equipment which is arranged correspondingly to each crossing is included. Each monitoring equipment is connected to a remote server through a network module. The control method comprises the following steps that (1) the remote server calculates waiting time S through receiving a video signal; (2) the remote server analyzes and acquires a road congestion condition under each phase state ai; (3) the remote server acquires a feasible degree ciai under the phase state ai; when a traffic stream can pass through, the road is clear and the feasible degree ciai is 1; otherwise, congestion is generated in the road and the feasible degree ciai is 0; (4) the waiting time S and the feasible degree ciai are used to calculate an optimal driving phase state ai of the crossing; (5) the signal lamp is adjusted. The method in the invention is based on video information acquired in real time. Through coordinating and controlling traffic signal lamps of the plurality of crossings in one area, traffic passing efficiency is increased; a traffic flow of the area is maximized and a pavement traffic congestion condition is alleviated.

The invention brings forward a motor open-phase detection method. The method comprise the following steps that: a current state of a motor is obtained; if the motor is in a running state, three-phase currents of the motor are sampled and whether the motor is in an open-phase mode is determined according the sampled three-phase currents; and if the motor is in a non-running state, the three-phase currents and three-phase voltages of the motor are respectively sampled and whether the motor is in an open-phase state is determined according to the sampled three-phase currents and the three-phase voltages. With the method, a dead zone for open-phase determination can be avoided, thereby substantially improving the detection precision. In addition, the invention also brings forward a motor open-phase protection method and a motor open-phase protection system.

A multiple phase state near-field electromagnetic location and communication system includes a multiple phase state near-field transmitter, and a near-field locator receiver. The near-field transmitter is capable of operation in at least two states and each of these at least two states generates a state characteristic difference detected at the near-field locator receiver. The state characteristic difference may be employed for location determination, communication or both. The present invention is particularly well-suited for use in conjunction with a near-field electromagnetic ranging system. In further embodiments, a multiple phase state near-field electromagnetic location and communication process includes the steps of determining a transmission state for a near-field quadrature transmitter, transmitting a near-field transmission corresponding to said transmission state, receiving a near-field transmission corresponding to said transmission state, and determining a difference between at least two properties of said near-field transmission where the difference is characteristic of and corresponding to the transmission state.

The invention discloses a high temperature anti-oxidation coating molybdenum material and a preparation method thereof. The surface of a product is provided with a Mo-N-Si-B anti-oxidation coating which is synthesized by adopting a three-step in situ synthesis method. Compared with the prior art, the product has good high temperature anti-oxidation performance and is good in material compactness, and hot matching performance between the coating and a base body is good. The preparation method does not need expensive devices such as plasma spraying, chemical vapor deposition or infiltration, avoids a complex process of a slurry method and is simple in preparation process, low in production cost and easy in controlling of coating structures and phase states.

The invention discloses an epoxy matrix resin, a prepreg, a preparation method of the prepreg and a device for preparation of the prepreg, in order to solve the problem of poor performance of an epoxy matrix resin curing substance caused by uneven toughening phase state even no phase separation in the traditional epoxy matrix resin curing product, the problem of complex technique of the traditional preparation method of the prepreg and relatively imprecise control on the resin content in the prepreg, and the problem of high manufacturing cost of the traditional device for preparing the prepreg. The epoxy matrix resin is prepared from a phenolic epoxy resin, a bisphenol A epoxy resin, a core shell polymer, a curing agent and a curing accelerator; the prepreg is prepared from the epoxy matrix resin and fiber woven cloth; and the prepreg is prepared through the device for producing the prepreg by a heat fusion method. After and before the resin is cured, the toughening phase state is not changed and is uniformly dispersed; and the toughening phase state effect is good and stable. The mechanical property of the composite material obtained by curing with the prepreg is high.

A modulation feature measurement and classification system for classifying a pulsed signal that includes a preprocessor, phase measurement system and modulation classifier. Preprocessor detects pulse starts and stops, measures pulse duration and converts the pulsed signal into digitized baseband in-phase / quadrature samples. Phase measurement system measures short chip counts, long chip counts, phase jump magnitudes, number of phase states, and polynomial coefficients for phase modulation of the pulsed signal. Modulation classifier determines modulation type based on the measurements using both rules-based and similarity-based classification methods.

The invention discloses a liquid crystal elastic body and fiber with bidirectional shape memory effect and a preparation method thereof. The liquid crystal elastic body or a fiber molecular structure is a mixed body of one or two polymers in two general formula polymers disclosed as right. The liquid crystal polymer is mainly made of a waist connecting type liquid crystal monomer and a crosslinkable monomer. The preparation method of the liquid crystal elastic body or fiber comprises the steps: firstly, the waist connecting type liquid crystal monomer, the smectic liquid crystal monomer and the crosslinkable monomer carry out polyreaction to obtain the liquid crystal polymer, and then, the liquid crystal polymer is heated to be in a liquid crystal phase state; and under the action of an outfield, the liquid crystal matrixes of the liquid crystal polymer are sequentially arrayed and then the crosslinking treatment is carried out to obtain the liquid crystal elastic body or prepare the liquid crystal fiber. The obtained liquid crystal elastic body or fiber has the advantages of large bidirectional distortion, sensitive response for temperature stimulation, low deformation response temperature and easy regulation. The preparation method has simple technology and wide application prospect.

Disclosed are methods for transporting one or more synthetic products produced from a carbonaceous source, such as coal, natural gas, or biomass, which may be located in a location that is remote from markets for such products. The synthetic products may include lower molecular weight alcohols such as methanol, lower molecular weight ethers such as dimethyl ether, olefins and / or the products of a Fischer-Tropsch or other hydrocarbon synthesis. The methods include transport of such synthetic products via a pipeline in the dense phase state, either neat or blended with light hydrocarbons, such as natural gas.

The invention discloses a low-temperature disassembling method of a touch screen. The low-temperature disassembling method comprises the following steps of: S1, setting a low-temperature freezing environment so as to enable the temperature of the low-temperature freezing environment to be controlled in a range of -40 DEG C to -200 DEG C; S2, placing the touch screen into the low-temperature freezing environment; and S3, when all parts of the touch screen are separated, taking out all the parts. According to the low-temperature disassembling method of the touch screen, disclosed by the invention, the nondestructive and high-efficiency finished-product touch screen disassembling is realized by utilizing the different physical characteristics including different types of heat expansion and cold contraction, different phase-state conversion points and the like between glass and a rubber material through the low-temperature environment and the normal pressure. The low-temperature disassembling method disclosed by the invention can not scratch a glass panel of a body, and can efficiently disassemble the glass panel and a functional panel engraved with an ITO (Indium Tin Oxide) line, and no residual glue exists.

The invention provides a device and a method for evaluating the sand carrying capacity of carbon dioxide dry-process fracturing fluid. The device comprises a high-pressure visual stirring vessel, a carbon dioxide pressurization system, a viscosity improving agent injecting system, a supporting agent adding system, a temperature control system and a data acquisition system, wherein the carbon dioxide pressurization system, the viscosity improving agent injecting system, the supporting agent adding system, the temperature control system and the data acquisition system are connected with the high-pressure visual stirring vessel. All constituent parts are connected with one another through a pipeline and valves to form the device for the sand carrying capacity of the carbon dioxide dry-process fracturing fluid. The device provided by the invention is used for evaluating the sand carrying capacity of the carbon dioxide dry-process fracturing fluid under different phase states (a liquid state or a supercritical state), realizes the visualization and is simple in structure and higher in measuring precision; an operation method is easy to implement; the stirring speed, the temperature and the pressure can be regulated; the quantitative measurement of the sand carrying capacity of the carbon dioxide fracturing fluid from the liquid state to the supercritical state within a greater pressure and temperature range can be realized, so that reliable sand carrying capacity data is provided for fracturing design and field test.

This invention discloses a kind of aqueous dispersion of the nano pigment and its preparation method. The said method is fixing the hydrophobic colorant fully dissolved in polymer monomers into the nano microballoons of the cross linking polymers at the molecule-separate and colorant-aggregative-phase state by using the modified polyreaction in fine latex to obtain the seeds of prepolymerization, then constructing a modified and protective cross linking encloser of the polymer by the enveloping polyreaction, and finally making the nano pigment grains stably disperse in the water medium dissolved with the surface activating agent at a low concentration. The invented aqueous dispersion of the nano pigment is suitable for aqueous ink-jet color marking ink in high performance and color-screened distemper pieces used for making liquid crystal display devices. It can also be applied in pigmentation of the coatings, pigment materials of the high-end cosmetics and so on.

The invention discloses an anti-freezing method and device for a water chilling unit of an air conditioning unit. The method and the device aim at preventing frost cracking of an evaporator. According to the method, vapor-liquid two-phase-state pressure of a refrigerant of an inlet of the evaporator is controlled, and evaporation pressure in the evaporator is not lower than a certain value, so that the lowest temperature of the side, loading the refrigerant, in the evaporator is not lower than 0 DEG C. According to the device, a flow control device is connected between a compressor exhaust pressure pipe and an evaporator inlet pipeline, a pressure sensor is connected between an outlet of the evaporator and an air suction port of the compressor, and a control unit instructs to adjust the opening degree of the flow control device according to the difference between pressure after evaporation and target evaporation pressure. In comparison with the prior art, by controlling the vapor-liquid two-phase-state pressure of the refrigerant of the inlet of the evaporator, the evaporation pressure of the evaporator is not lower than the target evaporation pressure, the temperature t32 of the side, loading the refrigerant, in the evaporator is larger than 0 DEG C, and frost damage to the evaporator is prevented.

The invention relates to a method for remediation of soil containing high-concentration organic pollutants. According to the method, the solubility of the organic pollutants in a groundwater environment is improved by adding a solubilizing agent, or organic matters in the soil are consumed by adding a non-selective oxidizing agent, so that the adsorption capacity of the soil is lowered, the permeability of the soil is improved, the deabsorption of 'non-aqueous phase liquid' in a high-concentration pollution source area and adsorbed-state organic pollutants in the soil is promoted, and the 'non-aqueous phase liquid' and the adsorbed-state organic pollutants are dissolved into a water phase or the effects of deabsorption and solubilizing are improved by using both the non-selective oxidizing agent and the solubilizing agent; and a chemical oxidizing / reducing agent is added on the basis of deabsorption and solubilizing to further degrade dissolved-state organic pollutants, so that the purpose of remediation is achieved. According to the method, non-aqueous phase-state pollutants, soil absorbed-state pollutants and organic pollutants in groundwater can be treated effectively and quickly, the sources of the agents are wide, the treatment method is simple, the remediation effect is good, and the removal rate of organic pollutants is high.