65 results about "Separation scheme" patented technology

This invention uses large surface to volume ratio materials for separation, release layer, and sacrificial material applications. The invention outlines the material concept, application designs, and fabrication methodologies. The invention is demonstrated using deposited column / void network materials as examples of large surface to volume ratio materials. In a number of the specific applications discussed, it is shown that it is advantageous to create structures on a laminate on a mother substrate and then, using the separation layer material approach, to separate this laminate from the mother substrate using the present separation scheme. It is also shown that the present materials have excellent release layer utility. In a number of applications it is also shown how the approach can be used to uniquely form cavities, channels, air-gaps, and related structures in or on various substrates. Further, it is demonstrated that it also can be possible and advantageous to combine the schemes for cavity formation with the scheme for laminate separation.

The embodiment of the invention discloses a method for user separation when a heterogeneous network switches or changes. The method comprises the following steps: a UE switches / changes from a source network into a target network; the source network determines whether to separate the UE from the source network: if yes, the UE is separated from the source network, otherwise the UE is not separated from the network. The embodiment of the invention further provides a system and a device for user separation when the heterogeneous network switches or changes, as well as another method for user separation when the heterogeneous network switches or changes. The separation scheme solves the problems that a network side separates the UE from the source network and the UE is separated from the network when the UE switches / changes from the source network to the target network.

This invention uses large surface to volume ratio materials for separation, release layer, and sacrificial material applications. The invention outlines the material concept, application designs, and fabrication methodologies. The invention is demonstrated using deposited column / void network materials as examples of large surface to volume ratio materials. In a number of the specific applications discussed, it is shown that it is advantageous to create structures on a laminate on a mother substrate and then, using the separation layer material approach, to separate this laminate from the mother substrate using the present separation scheme. It is also shown that the present materials have excellent release layer utility. In a number of applications it is also shown how the approach can be used to uniquely form cavities, channels, air-gaps, and related structures in or on various substrates. Further, it is demonstrated that it also can be possible and advantageous to combine the schemes for cavity formation with the scheme for laminate separation.

A method is disclosed for performing GC separations using a separation protocol including at least one negative temperature ramp, where the negative temperature ramp is controlled either by the introduction of a gaseous coolant at a controlled and adjustable rate or by the introduction of the coolant along with the application of microwave radiation to a column capable of absorbing microwave radiation, where the rate of coolant introduction or the rate of coolant introduction and radiation introduction is sufficient to achieve a desired rate of cooling.

The invention discloses a L2 forwarding method, including: pre-configure the association relation of the uplink and downlink virtual switching plane, the forwarding devices receive the broadcast sent by the user or unknown unicast packets and broadcast the packets in the uplink interface of the uplink virtual switching plane; the forwarding devices receives the packets sent by the POP point, identify the associated uplink virtual switching plane, and learn the source MAC address of the packet to the uplink virtual switching plane; later, the forwarding devices receive the known unicast packets sent by the user, search the corresponding port of the destination MAC address of the packet in the uplink virtual switching plane, and send the packets. The invention also discloses forwarding devices, including: associated module of the uplink and downlink virtual switching plane, forwarding module of the uplink packet, forwarding module of the downlink packet, and storage module of the uplink MAC forwarding table. The invention makes the forwarding devices prohibit the direct L2 intercommunication between the users without the configuration of complicated port separation scheme and MAC address of the POP points.

The invention relates to a separation method for removing small amount of styrene from ethylbenzene-dehydrogenation tail gas and recovering hydrogen and belongs to the field of petrochemical industry. The separation method comprises the following steps: adopting a dehydrogenizing material (ethylbenzene) as an absorbent, carrying out circular absorption on tail gas to reduce the content of the styrene to 30-50ppm; and recovering the ethylbenzene by compression and condensation to reduce the content of the styrene to 5-10ppm and meet the requirement for safe and stable operation of the hydrogen separation and purification section. After deep removal of the styrene, three different separation schemes are adopted for purifying hydrogen so as to meet different requirements of hydrogen purity and recovery rate; by variable-pressure absorption for purification, the concentration of hydrogen is more than 98%, the recovery rate is 80-85%, and the power consumption is 0.21kWh / Nm<3>; by hydrogen-membrane separation for purification, the concentration is more than 95%, the recovery rate is 90-95% and the power consumption is 0.7kWh / Nm<3>; and by coupling of variable-pressure absorption and hydrogen-membrane separation for purification, the concentration of the hydrogen is more than 98%, the recovery rate is 94-97%, simultaneously high purity and high yield are realized and the power consumption is 0.25kWh / Nm<3>.

The invention provides an image water-fat separation method and a water-fat separation system based on magnetic resonance imaging. The image water-fat separation method is characterized in that echo signals corresponding to at least two echo time combinations can be acquired; based on a MR signal model of water and fat chemical shift, the correspondence between the discrete field pattern value and the model fit error of every pixel of the image in the echo signal corresponding to every echo time combination can be acquired to generate the corresponding field pattern-model fit error curve; the field pattern value corresponding to the fit error at the minimum value in the preset field pattern value range can be searched from at least two model fit error curves corresponding to every pixel, and can be used as the to-be-estimated field pattern value; according to the searched to-be-estimated field pattern value, the actual field pattern value corresponding to every pixel can be acquired; according to the actual field pattern value corresponding to every pixel, the water image and the fat image can be acquired. The technical scheme capable of acquiring the field pattern and realizing the water-fat separation can be provided.

The present invention involves a method and a device for sequentially desorbing and ionizing mixed analytes on a solid surface with a gradual temperature scan, and continuously collecting data for multiple times in the gradual desorption and ionization process. By gradually increase the temperature of at least one part of the sample, the analytes with different thermal desorption capabilities are sequentially desorbed from surfaces of the solid sample, thereby providing a sample pre-separation scheme, so as to reduce difficulties to subsequent mass spectrum detection. Meanwhile, since mass spectrum data of the analytes with different boiling points is collected for multiple times during a temperature scan, the analytes with a low boiling point can be detected first at lower temperature in order to avoid rapid exhaustion at higher temperature, thereby improving the detection efficiency of the analytes with low boiling points.

Disclosed is a process for the production of high purity alpha-tocotrienol from palm oil extract. More particularly, the invention relates to a process for the separation of alpha-tocotrienol from a mixtures of other tocotrienols and tocopherols and the use of a simplified separation scheme based on a combination of solid phase extraction and simulated moving bed (SMB) separation steps employing polar phase simulated moving bed operation. The process is useful for providing a continuous route and a simplified processing route to providing pure alpha-tocotrienol as a major product essentially free of other tocotrienols and tocopherols including: beta-tocopherol, gamma-tocotrienol, delta-tocotrienol, gamma-tocopherol, delta-tocopherol, front end and back end carotenoids, and alpha-tocopherol as a by-product from palm oil extract. Alpha-tocotrienol is a form of vitamin E and may be useful as a treatment for preventing stroke or reducing brain and nerve damage following a stroke.

The invention discloses a clipping bed separation method based on speedup-factor adaptive particle swarm optimization. The method comprises the following steps that: S1: setting an initial limiting condition and the parameter of the SAPSO (Speedup-factor Adaptive Particle Swarm Optimization) for clipping bed separation; S2: according to the initial limiting condition set by a user, calculating a possible bed separation amount: calculating the sum of the amounts of sample sheets which need to be clipped, average each-bed cloth laying layer number and average each-layer cloth clipping piece number according to the amount of sample sheets, which need to be clipped, of each model so as to calculate the upper limit and the lower limit of a required bed separation amount; and S3: firstly, searching a bed separation scheme with a small bed number, if the scheme with the small bed number conforms to requirements, stopping searching a situation with a large bed number, and if the bed separation scheme with the small bed number does not conform to the requirements, searching a bed separation scheme with the large bed number. Under a situation of a certain bed separation bed number, the SAPSO is adopted to search the cloth laying layer number. By use of the method, bed separation scheme determining efficiency is improved, material budgets are reduced, and a clipping amount error is reduced.

The invention discloses a method for dividing coherent stability regions of strong-connection power grids, relates to methods for judging the stability of alternating-current and direct-current power grids, and particularly relates to a method for judging and dividing coherent stability regions of strong-connection power grids. The method includes steps of performing EEAC (extent equal area criterion) simulation on faults of the strong-connection power grids and determining potential instability modes; identifying coherent clusters on the basis of power-angle response curves of power generators according to power-angle swing curves of the power generators, dividing each system into two non-null complementary clusters and reflecting the two non-null complementary clusters into corresponding single-machine planes; finding possible instability clusters in subsequence periods according to instability tracks, dividing the disturbed systems into coherent instability regions and the coherent stability regions so that the stability of the systems can be analyzed according to equal area criteria. The power-angle swing curves of the power generators are obtained by means of transient simulation. The method has the advantages that support is provided for configuring out-of-step separation devices and out-of-step separation schemes for third defensive lines of the power systems, accordingly, power grid stability disruption accidents are effectively prevented, and safe and stable running of large-scale power grids is reliably guaranteed.

The invention relates to a method and system for removing character adhesion. The method includes: setting the prior knowledge set of a to-be-processed character image, performing connected domain analysis on the to-be-processed character image, calculating character height H and character width W, and determining connected domains, which need to be separated, in a connected domain analysis result; performing separation point positioning on the connected domains which need to be separated to obtain all separation schemes, using the separation schemes to respectively separate the connected domains which need to be separated, performing OCR on the character separation result corresponding to each separation scheme to obtain the character recognition result of the image, evaluating the character separation result corresponding to each separation scheme according to prior knowledge evaluation function, and using the character recognition result with the most matched evaluation as the recognition result after adhesion removing. By the method, the problem of multi-character adhesion under the condition of unknown adhesion number is solved, and good adhesion removing effect can be achieved.

The invention discloses a method for separating chain hydrocarbon and phenols from medium and low temperature tar, and belongs to a processing method in the coking industry in the coal chemical industry. By a separation scheme of two kinds of biphasic organics, the chain hydrocarbon, which serves as a liquid fuel directly, in the conventional medium and low temperature coal tar is mainly concentrated in an upper phase of the first kind of biphasic organic solution, and is separated and purified, the phenols, which serve as important chemical materials, in the conventional medium and low temperature coal tar are mainly concentrated in a lower phase of the first kind of biphasic organic solution, and is further concentrated, separated and purified by the second kind of biphasic organic solution. The method has the advantages that: 1, the chain hydrocarbon in the medium and low temperature coal tar is enriched and quickly separated selectively, and the phenols are enriched and quickly separated selectively; and 2, the separation process is mild in conditions, easy and convenient, the manufacturing cost of the process and equipment is low, the investment is small, payback time is short and the benefit is obvious.

The invention provides a method for preparing high-purity matrine from sophora alopecuroides. Compared the method with other technologies at home and abroad, a process technology is improved further, the sequence of alkaloid extraction and hydrogen reaction is adjusted, and a separation scheme of dissolving by adding water firstly and then heating is adopted in a recrystalization process, so that the yield is improved obviously, the quality is improved, and a fussy technological process is avoided to enable the technological process to be better simplified; and the cost is reduced, the industrial applicability is strong, and thus the method is applicable to mass production.

A UTI (Universal Transport Interface) is provided in the invention, the UTI comprising a transceiving unit, configured to receive and transmit data which accords with USB (Universal Serial Bus) specification; a detecting unit, configured to detect the data received by the transceiving unit to determine whether to convert the received data into data which accords with a particular specification; and a conversion unit, configured to convert the received data into the data which accords with the particular specification when determining that the received data should be converted into the data which accords with the particular specification, and to convert the transmission data which accords with the particular specification into data which accords with the USB specification for transmission via the transceiving unit. With the UTI provided in the invention, service cards may be separated from devices for DTV and various value-added services may be provided.

The invention relates to the field of mineral processing, and discloses a dry-wet-method mineral separation method used for African sandy diatomite ore. The technical problem that in the prior art, a mineral separation scheme is difficultly suitable for mineral separation and purification of ultralow-grade sandy diatomite ore can be solved through the method. The method comprises the steps that raw diatomite ore is crushed and scattered to obtain diatomite ore powder, and the granularity of the diatomite ore powder is smaller than 10 mm; a self-flow-dividing type air classifier is used for carrying out dry-method classification on the diatomite ore powder to obtain two classified products, namely a classified course product and a classified fine product, and the classification fineness is 10-150 micrometers; water is added to the classified fine product for scrubbing pulping to obtain ore pulp; pH regulators and a dispersing agent, namely sodium pyrophosphate, are added and stirred to be scattered, so that pulp is obtained; the pulp is subjected to centrifugal separation to obtain first precipitate; and the first precipitate is dried to obtain purified diatomite. The technical effects of mineral separation and purification on the ultralow-grade sandy diatomite ore are achieved.

Disclosed is a process for the production of high purity alpha-tocotrienol from palm oil extract. More particularly, the invention relates to a process for the separation of alpha-tocotrienol from a mixtures of other tocotrienols and tocopherols and the use of a simplified separation scheme based on a combination of solid phase extraction and simulated moving bed (SMB) separation steps employing polar phase simulated moving bed operation. The process is useful for providing a continuous route and a simplified processing route to providing pure alpha-tocotrienol as a major product essentially free of other tocotrienols and tocopherols including: beta-tocopherol, gamma-tocotrienol, delta-tocotrienol, gamma-tocopherol, delta-tocopherol, front end and back end carotenoids, and alpha-tocopherol as a by-product from palm oil extract. Alpha-tocotrienol is a form of vitamin E and may be useful as a treatment for preventing stroke or reducing brain and nerve damage following a stroke.

The invention discloses a coordination control method for a photovoltaic inverter in grid unbalance of considering a current limit value. The method comprises the steps of firstly analyzing a wave trap-based separation scheme for positive and negative sequence current; quantifying output power of the inverter in an unbalanced grid and weighting variables of affecting photovoltaic active power output, reactive power output and current harmonic to obtain controlled variables k and gamma; and finally optimizing the controlled variables k and gamma by taking minimum active power fluctuation and reactive power fluctuation as optimization objects and a current harmonic distortion rate and an output current limit value as constraint conditions. According to the coordination control method, activepower fluctuation and reactive power fluctuation are minimum under the condition of ensuing that the quality of the current is qualified and the current does not exceed the limit when an unbalance fault occurs in the grid, and the stability and the reliability of a control system are improved.

The invention provides a passive parallel separation design method for a two-stage aircraft, which is characterized in that two-stage injection aircraft comprise a first-stage aircraft and a second-stage aircraft which are connected to two ends of a parallel connecting rod separation mechanism, and the relative positions of the first-stage aircraft and the second-stage aircraft are fixed under the constraint of a connecting mechanism when the aircraft horizontally take off to a separation window; after arriving at the separation window, the connecting mechanism is unlocked; under the combined action of aerodynamic resistance and constraint of the parallel connecting rod separation mechanism, the second-stage aircraft rotates backwards and upwards, after the first-stage aircraft reaches a preset separation angle, the parallel connecting rod separation mechanism and the second-stage aircraft are unlocked, and the first-stage aircraft and the second-stage aircraft are both in a free state and start an unconstrained separation process. According to the method, the contradiction between the first-stage and second-stage shape fusion design and the separation design is solved, safe separation completely depending on aerodynamic force is realized, and the separation scheme is simple and reliable.

The invention discloses a self-adaptive matching method for control parameters of a crosswise-arranged rod medium high-gradient magnetic separator. The self-adaptive matching method comprises the following steps that S1, a two-dimensional simplifying model of a rod medium set magnetic field is built, and the magnetic field is divided into a plurality of identical hexagon units to be analyzed; S2,distribution of magnetic field force in an effective capturing area of magnetic particles in the model is calculated; S3, the critical value of a capturing oval is calculated, and the capturing area of the magnetic single particles is determined; S4, according to the critical value of the capturing oval, concentrate separation indexes including the concentrate recycling rate, yield and grade are predicted; and S5, the control parameters of the high-gradient magnetic separator are adjusted, the concentrate recycling rate, yield and grade are calculated and compared under different magnetic media, different pulp concentrations, different flow rates and different background field intensity, and the control parameters suitable for the high-gradient magnetic separator for concentrate separationare determined. The high-gradient magnetic separation efficiency can be pre-estimated effectively, accordingly, a suitable separation scheme is established, and the number of simulating test times isdecreased greatly.

The invention discloses a Long slide rail motor drive intelligent control system, which compries a main control module, wherein the main control module comprises a microprocessor unit, a power management unit, a bus unit, a switch sampling unit, a current sensor sampling unit, a motor driving loop unit, a Hall sensor sampling unit and a SBR sensor sampling unit; Compared with the prior art, the invention has the following advantages: 1. The electric slide rail control is realized. 2. Without that electromechanical separation scheme, the Hall motor is directly adopt to realize the unlocking, the unlock action, the structure is simple, and the control mode is more flexible. 3. Realize the electric integrated control of unlocking and sliding, which is easy to operate and high in comfort. 4. Automatically identify the hard and soft gear points of the front and rear stroke, prevent the motor from jamming, and effectively protect the motor and mechanism. 5. That anti-pinch function is realize by an intelligent algorithm, and the passengers or luggage can be effectively protect.

The invention discloses a double-side screen text input control method and device and a computer-readable storage medium, wherein the method comprises: acquiring a response event of a first screen ofa terminal device, recognizing whether the response event is full-screen execution, if yes, monitoring a need to process text in the first screen, extracting a text processing object associated with the need to process text, displaying the text processing object on a second screen of the terminal device, sensing a holding gesture for the terminal device, receiving a text processing command at thesecond screen if a turnover gesture is monitored, and locking the first screen. A humanized multi-screen text separation scheme is provided herein; by using the scheme, it is avoided that since a terminal device with a small screen region and a narrow text region, a user has higher chances to make mistakes in operating; better text input experience is brought to the user.

A multipacket separation method in a wireless self organized network includes: different transmitting users carry out multiphase modulation and delivery to the data packets transmitting data at their own transmitting ends, b. If the data packets are transmite to a same users, C. then the multiphase separation method is used to separate the hybrid data in the peep window, d. If the current peep windown contains a user complete data packet information, the energy test and position parameter extraction are carried out to the processed peep windown data, e. reducing the range of first multipacket separated viewing window and parameter, again to separate the said user data at the reduced peep window then for the second multipacket of separating to obtain good separation effect.

The present invention involves a method and a device for sequentially desorbing and ionizing mixed analytes on a solid surface with a gradual temperature scan, and continuously collecting data for multiple times in the gradual desorption and ionization process. By gradually increase the temperature of at least one part of the sample, the analytes with different thermal desorption capabilities are sequentially desorbed from surfaces of the solid sample, thereby providing a sample pre-separation scheme, so as to reduce difficulties to subsequent mass spectrum detection. Meanwhile, since mass spectrum data of the analytes with different boiling points is collected for multiple times during a temperature scan, the analytes with a low boiling point can be detected first at lower temperature in order to avoid rapid exhaustion at higher temperature, thereby improving the detection efficiency of the analytes with low boiling points.

The invention discloses a synchronous detonation device for a hypersonic aircraft component separation wind tunnel experiment. The synchronous detonation device comprises a synchronous trigger unit (1), a detonation control unit (2) and a constant current unit (3). The synchronous detonation device solves the problems of time synchronization of a detonation process and a wind tunnel effective experiment, monitoring of the detonation process and the like, avoids the problem of erroneous detonation induced by strong electromagnetic interference of wind tunnel aided high-power equipment, provides an experimental foundation for verifying the feasibility of an aircraft component separation scheme with a wind tunnel, allows the component separation verification scheme not to be limited to actual flight experiments, and reduces the aircraft research and manufacturing cost and cycle.

Systems and methods of conducting a time-marching simulation of manufacturing a sheet metal part that requires progressive lancing operation (PLO) are disclosed. The time-marching simulation is conducted with a connection-separation scheme for nodes along the lancing route to ensure a smooth timely separation of a lancing cut. The scheme includes creating a set of surrogate lancing route nodes by duplicating nodal coordinates of the existed nodes located along the lancing route. Nodal constraints to initially link together the existed nodes and the corresponding surrogate nodes are then created. The nodal constraint is removed in accordance with a separation time schedule established using start and end locations of the lancing route and corresponding start and end time for making the lancing cut. The nodal constraints can also be removed based on the zones of the lancing route defined by a user.

The invention relates to the technical field of image displaying, in particular to a head-worn image amplification device. The head-worn image amplification device comprises an image amplifier, and the image amplifier comprises a signal source support used for containing a video signal source, a semi-reflection semi-permeable lens and a concave reflection magnifying lens. The semi-reflection semi-permeable lens is arranged on the light path of light which is emitted out by the video signal source and incident to the semi-reflection semi-permeable lens, and a certain included angle is formed. After the light generated by the video signal source is reflected to the concave reflection magnifying lens by the semi-reflection semi-permeable lens, the light passes through the concave reflection magnifying lens to form a virtual image amplified by several times, and the light penetrates through the semi-reflection semi-permeable lens to enter the pupils of an observer, and an amplified image amplified by several times relative to an original signal image is presented. Due to the adoption of the signal source separation scheme, the head-worn image amplification device is low in cost, light and convenient to carry.

The invention provides a controlling and remote metering circuit applied to a cubic satellite separation device. The circuit comprises a working circuit, a backup circuit and an interface circuit. Thefront end of the interface circuit is connected with a rocket controlling and remote metering cable, and the rear end of the interface circuit is connected with the working circuit and the backup circuit. The interface circuit comprises a first connector COM1, a first reed pipe K1 and a second reed pipe K2, wherein the first reed pipe K1 and the second reed pipe K2 are connected with the first connector COM1. The first connector COM1 comprises a first pin, a second pin, a third pin, a fourth pin, a fifth pin, a sixth pin, a seventh pin, an eighth pin and a ninth pin, wherein the second pin and the seventh pin are connected with the two ends of the first reed pipe K1 separately, the first pin and the sixth pin are connected with the two ends of the second reed pipe K2 separately, the fourth pin and the fifth pin are connected with the working circuit, and the eighth pin and the ninth pin are connected with the backup circuit. Dual-backup design is adopted for a control circuit and a remote metering circuit, any path of work can guarantee that a satellite normally pops up and a correct remote metering signal is transmitted to a rocket, and compared with other satellite separation schemes, high reliability is achieved.