305results about How to "Avoid mutual influence" patented technology

The invention relates to an NAND memory and a preparation method therefor. The NAND memory comprises a silicon substrate, a plurality of peripheral devices, a plurality of NAND strings formed above the peripheral devices, a monocrystal silicon layer formed above the multiple NAND strings, and one or more first interconnection layers formed between the multiple peripheral devices and the multiple NAND strings, wherein the monocrystal silicon layer and the multiple NAND strings are in contact connection. By manufacturing array devices and peripheral devices separately, mutual influence to the processing process of the two devices in manufacturing can be avoided, so that the problem of limitation to the post layer manufacturing by the temperature of the former layer in the prior art can be solved, thereby obtaining high peripheral device performance; and in addition, the array devices are overlaid on the peripheral devices, so that high device density is realized.

The invention discloses a semiconductor device and a preparation method thereof. The semiconductor device sequentially comprises a silicon substrate, one or more NAND strings formed at the upper partof the silicon substrate, one or more peripheral devices formed at the upper parts of the NAND strings, a monocrystal silicon layer formed at the upper parts of the one or more peripheral devices, andone or more first interconnection layers formed between the one or more peripheral devices and between the one or more NAND strings from bottom to top, wherein the peripheral devices are bonded withan array device through a bonding interface. The preparation process that two devices are affected by each other when prepared can be avoided through separating preparation of the array device and theperipheral devices, so that the problem of temperature limitation of preparation of the front layer to preparation of the back layer in the prior art is solved, thereby obtaining good performance ofthe peripheral devices. In addition, the peripheral devices are superposed on the array device, thereby achieving high device density.

The invention discloses an urban express road intersection public transit priority signal coordinating and timing method which includes the steps: performing dividing and numbering for control areas, and dividing urban express roads under the tidal traffic flow actions into two types of control areas according to a fact that whether intersection downstream roads have bus stops or not; building traffic characteristics data sets; determining initial signal timing schemes comprising initial signal phase structures, initial signal control periods and initial phase green time of intersections; respectively constructing intersection public transit priority signal timing models for the two types of control areas, and calibrating model parameters; determining intersection public transit priority signal timing prioritization schemes, and determining public transit priority green time of the intersections and phase green time of the intersections by the aid of a 'value testing method'; determining an intersection public transit priority signal coordinating and timing scheme. Waiting delay of major traffic flow of the express road at the intersections is greatly reduced, and traffic efficiency is improved.

The invention provides a true triaxial simulation test device for three-directional rigid loading impact ground pressure. The problem that the simulation is not vivid in an existing impact ground pressure test device is solved. The true triaxial simulation test device comprises a pressure box, wherein the pressure box is internally provided with a pressure cavity, and further comprises a rigid loading unit and an impact loading unit; the inner periphery of the pressure cavity is provided with a flexible confining pressure loading jacket; the flexible confining pressure loading jacket has elastic deformation amounts in X, Y and Z directions; the rigid loading unit comprises loading oil cylinders of the pressure box in the X, Y and Z directions; telescopic shafts of the loading oil cylinders penetrate through the outer wall of the pressure box and the inner ends of the telescopic shafts are fixedly connected with loading base plates; the inner surfaces of the loading base plates abut against the outer surface of the flexible confining pressure loading jacket; and the impact loading unit comprises a lifting device in the Z direction and an impact weight is hung under the lifting device. According to the true triaxial simulation test device, the influences of deformation with one another in the three directions are solved, and the influences of a supporting effect are also avoided, so that the impact ground pressure is simulated relatively vividly.

The invention relates to a NAND memory and a preparing method thereof. The NAND memory comprises a plurality of NAND strings and a monocrystalline silicon layer formed on the plurality of NAND strings. The monocrystalline silicon layer is in contact connection with the NAND strings. Each of the said NAND strings comprises a plurality of conductors/insulator lamination layers, a semi-conductor channel which extends at the vertical direction and traverses through the plurality of conductors/insulator lamination layers; a tunnel layer formed between the plurality of conductors/insulator lamination layers and the semi-conductor channel; and a memory cell layer formed between the tunnel layer and the plurality of conductors/insulator lamination layers. The invention is advantageous in that through separating the preparation of array devices and peripheral devices, it can be prevented that the producing of one device will affect that of the other device; the problem of the prior art that thetemperature is limited due to the fact that the producing of the latter layer is affected by the producing of the former layer can be resolved; good peripheral device performance can be obtained; asthe array device is superposed on the peripheral device, high device density can be realized.

The invention discloses a clutch temperature control method and system for a wet type DCT. The method comprises the steps that according to oil temperature of a transmission, rotating speed of an engine, a shifting fork position signal, a gear signal, surface temperature of a first clutch, surface temperature of a second clutch, friction power of the first clutch, the friction power of the secondclutch and pressure of a main oil path, actual lubricating flow flowing into a clutch assembly is calculated; according to the actual lubricating flow flowing into the clutch assembly, the rotating speed of the engine, the oil temperature of the transmission, the friction power of the first clutch and the friction power of the second clutch, the surface temperature of the first clutch and the surface temperature of the second clutch are calculated; and then according to the surface temperature of the first clutch, the surface temperature of the second clutch and the oil temperature of the transmission, whether the clutch assembly is overheated or not is judged, and overheating protection is started in a hierarchical mode. By adopting the control method and system, accurate surface temperature of the clutches can be obtained, and the surface temperature of the clutches combines with the oil temperature of the transmission to be taken as a judgment basis for carrying out clutch overheating protection.

The invention relates to a sewage recycling comprehensive treatment technique, including that sewage is pretreated by a physicochemical technique and a biochemical technique; the pretreated sewage is separated by an immersed ultrafiltration solid-liquid separation system; ozone is used for eliminating part of organic matter and bacteria in the ultrafiltration membrane permeate liquid generated in the previous step; after being treated in the previous step, organic pollutant in the water is further removed by adopting activated carbon for filtering; after the treatment in the previous step, the water carries out reverse osmosis treatment to obtain permeate water of a reverse osmosis membrane, that is, reuse water. All sewage treatment techniques adopted by the invention are mutually matched, have reasonable sequence and play own roles independently, thus preventing the sewage treatment techniques from affecting with each other, allowing the equipment of each sewage treatment technique to achieve optimal treatment effect and leading to more complete sewage treatment.

The invention discloses an E1 emulation realization method, which relates to the field of network simulation and comprises the following steps of: performing protocol encapsulation on a direction, and performing serialization processing on received data to generate a real-time transport protocol value; assembling a time division multiplexing (TDM) payload into a frame, forming cache data packets by using the processed data, and finishing a corresponding description table; attaching packet headers to the TDM payload, generating control word information and real-time transport protocol information according to configuration, and performing encapsulation according to a protocol; performing clock domain adaptation on the processed data, finishing Ethernet media access control (MAC) processing, and transmitting Ethernet data by using a media independent interface (MII); performing protocol decapsulation on the direction, receiving and caching the Ethernet data, and finishing MAC layer processing; classifying and identifying the Ethernet data packets, extracting the payload and related control bytes, and counting state information; and performing clock recovery on a processed TDM payload code stream, and externally transmitting the processed TDM payload code stream. The method is relatively lower in cost; updating can be performed; and requirements on the performance of a central processing unit (CPU) are reduced, and clock recovery performance is improved.

The embodiment of the invention provides an organic light-emitting display panel, a manufacturing method thereof and an organic light-emitting display device, and relates to the technical field of display. The organic light-emitting display panel provided by the embodiment of the invention comprises an array substrate, a pixel definition layer, a plurality of interval structures and a plurality oforganic light-emitting devices, wherein the pixel definition layer and the interval structures are arranged on the array substrate, a plurality of pixel openings are formed in the pixel definition layer, the interval structures are used for partitioning the pixel openings into a plurality of sub-pixel openings, and the cross section of each interval structure is in the shape of a inverted trapezoid; each sub-pixel opening is internally provided with an organic light-emitting device, and the organic light-emitting devices arranged inside the same pixel opening are used for transmitting light rays with the same color; each organic light-emitting device comprises an anode and at least one organic light-emitting functional layer, and the organic light-emitting functional layers positioned ontwo sides of each internal structure are separated from each other. Through the technical scheme, the display effect of the organic light-emitting display panel can be improved.

The invention provides a multi-dimensional vibration control method of a fulcrum bar tail supporting type aircraft model, belongs to the field of vibration active control, and relates to the multi-dimensional vibration control method of the fulcrum bar tail supporting type aircraft model based on a piezoelectric ceramic actuator and applied to an aircraft model wind tunnel test. The multi-dimensional vibration control method comprises the steps that two components of main vibration acceleration of the aircraft model are measured by a pitch acceleration sensor and a yaw acceleration sensor which are arranged on the centroid of the aircraft model, a main vibration vector of the aircraft model is obtained, and the real-time vibration plane of a fulcrum bar is determined; and the inertial force is introduced to solve a dynamic bending moment on an active section of a multi-dimensional vibration damper, and then the stress distribution on the active section is obtained, and the vibration control force is solved in real time according to the stress of the piezoelectric ceramic actuator on the active section. A multi-dimensional vibration active control system is adopted, the stability and reliability of the active vibration control system of a wind tunnel model are improved, the service life of the piezoelectric ceramic actuator is prolonged, and thus the wind tunnel test data quality and wind tunnel test safety are ensured.

The invention discloses a combined bed, wall cabinet and desk assembly for a student hostel, which mainly comprises a wall cabinet (1), a combined bed, a bookcase (3) and a desk (5), wherein the wall cabinet (1) is divided into left, middle and right cabinets and is positioned above the combined bed; a bed board (12) is paved above a bed frame (11) of the combined bed; an anti-falling guardrail (13) is arranged outside a bed edge of the bed frame (11); the bed frame (11) is also provided with a bedside clapboard (2); a drawer (4) with a lock is arranged on the left below the bed board (12); a box cabinet (6) is arranged below the drawer (4); a bookshelf (9) is arranged in the middle below the bed board (12) from top to bottom; the bookshelf (9) is divided into a shoe cabinet (8) and a pedal (7) from top to bottom; the pedal (7) is drawable; a garderobe (10) is arranged on the right below the bed board (12); the garderobe (10) is provided with two doors; the bookcase (3) is divided into four layers from top to bottom by clapboards; and the desk (5) with the drawer with the lock is arranged below the bookcase (3) and above one side of the bedside clapboard (2). The bed board of the combined bed is at a short distance from the ground and is also provided with the drawable pedal, so that a user can conveniently go to bed and get out of the bed and the sleeping safety is guaranteed; the combined bed, wall cabinet and desk assembly has a reasonable space layout, a compact structure and a function of providing convenience for sleeping, studying, object storing and the like; and a study zone and a sleeping rest zone are effectively separated, so that the dynamic-static separation is realized.

The invention discloses an independent sound system of an automobile seat. The independent sound system comprises a headrest, sound boxes, a power amplifier and a sound source, wherein the power amplifier is correspondingly connected with the sound boxes and the sound source in a signal mode. The headrest comprises an intermediate pillow portion, and wing portions on the left and right sides of the pillow portion extending toward the front of the headrest, wherein a cavity for embedding each sound box is formed in each wing portion, and a central axis of each loudspeaker in each sound box anda central axis of the headrest form an angle of 60-120 degrees. According to the independent sound system of the automobile seat, the sound boxes are arranged at the left and right wing parts of the headrest close to a head of a driver/passenger, so that the left and right loudspeakers face and are close to the left and right ears of a person in a small range and a short distance to form a stereofield effect of 'open headphones' near field listening. At the same time, the independent sound boxes of other seats in the same automobile can be prevented from influencing each other, the pressure caused by wearing earphones is avoided, and the ' in-head effect' of earphones cannot be formed.

The invention discloses a transport cart with an omnibearing movement function. The transport cart with the omnibearing movement function comprises a cart body platform, dual differential driving units, a goods platform, a control cabinet, an acceleration sensor, a battery power set and a wireless communication module. An embedded controller and a servo motor driver are arranged in the control cabinet. The four dual differential driving units are movably connected with the cart body platform. Both the control cabinet and the battery power set are fixedly connected into the cart body platform. An ultrasonic sensor, the acceleration sensor and the wireless communication module are fixed to the cart body platform. Numerical values measured by the acceleration sensor are transmitted to the embedded controller through the wireless communication module, and the servo motor driver drives the dual differential driving units according to the control quantity worked out by the embedded controller so as to achieve omnibearing movement of the cart body platform. According to the transport cart with the omnibearing movement function, through the coordinated control of the four dual differential driving units, the control performance of the system is improved, and the moving speed of the cart body platform is made more stable.

The invention discloses a port-reuse bidirectional charger and an application method thereof. The port-reuse bidirectional charger comprises a plurality of change-over switches, a rectifier, a plurality of isolated bidirectional DC/DC convertors and a charging interface, wherein the rectifier is connected with a power grid through alternating current and used for converting alternating current into direct current; the input sides of the isolated bidirectional DC/DC convertors are connected in parallel and then connected with the rectifier, and the output sides of the isolated bidirectional DC/DC convertors are connected to the charging interface through the change-over switches; a charged/discharged storage battery is connected to the charging interface, and the number and the connection mode of the output isolated bidirectional DC/DC convertors are selected by setting the on-off of the change-over switches so as to meet the charging and discharging power requirements of the storage battery. The change-over switches are arranged on the output side of the charger to realize port reusing, different numbers of chargers can be used in parallel when the power requirements are different,a circuit does not need to be redesigned, and the use is facilitated.

The present invention discloses a high acid crude oil electric desalting wastewater treatment method, which comprises that high acid crude oil electric desalting wastewater is sequentially subjected to an oil and suspended solid removing treatment, a sequencing batch reactor activated sludge treatment (SBR), a flocculation treatment, a Fenton oxidation treatment and a membrane bioreactor (MBR) treatment, wherein SBR is mainly provided for removing BOD and ammonia nitrogen, the flocculation treatment and the Fenton oxidation treatment are mainly provided for treating naphthenic acid and other organic matters difficultly degraded by SBR, and MBR is provided for deep treatment of residual dissolved organic matters and suspended solids after the Fenton oxidation treatment. According to the present invention, COD in the treated effluent is less than or equal to 40 mg/L, ammonia nitrogen in the treated effluent is less than or equal to 2 mg/L, petroleum in the treated effluent is less than or equal to 2 mg/L, and turbidity is less than 1 NTU, such that the stringent local discharging standard can be met, and the effluent can be used as influent for reverse osmosis constant depth reuse treatments. The method is suitable for standard discharging treatments of electric desalting wastewater from high acid crude oil processing or polymer flooding oil field wastewater and various naphthenic acid-containing wastewater.

The invention provides a bipolar MMC convertor station control system for an offshore wind power grid and a control method of the bipolar MMC convertor station control system. The system comprises anonshore bipolar MMC convertor station connected to an onshore alternating current system and an offshore bipolar MMC convertor station connected to an offshore wind plant, wherein the onshore bipolarMMC convertor station is connected to the offshore bipolar MMC convertor station; the onshore bipolar MMC converter station comprises positive and negative MMC converters which are respectively connected to the onshore alternating current system and are controlled by constant direct current voltage and constant reactive power; and the offshore bipolar MMC converter station comprises positive and negative MMC converters which are respectively connected to the offshore wind plant, and adopts a master-slave control strategy with power balancing capacity. The system and the method have the advantages that a stable synchronous alternating current power supply can be provided for the offshore wind plant, and the mutual influence between the positive and negative bipolar MMC converters is avoided.

A cross-flow fan is composed of vane wheel unit consisting of multiple fans, motor, back guide surface, stabilizer, exhaust guide plate and internal guide plate. Its features are that there are lobeson said back guide surface, stabilizer, exhaust guide plate and internal guide plate for disturbing the eddy and turbulent flow to reduce noise.

The invention relates to a fluid refining device, in particular relating to a device for refining mixed liquid. The device comprises a tubular housing and a spiral piece arranged in the tubular housing, wherein, the spiral piece is composed of a plurality of gaskets in an overlying manner; the intermediate shape of the gasket is a round disc; the periphery of the disc is provided with bulged blades to form a cross; each gasket in the rear and each gasket in the front stagger an angle to form a rotating spiral piece the screw pitch of which gradually diminishes from an inflow end to an outflowend; the entry end of a center shaft of the spiral piece is provided with a cone-shape screw cap; the two ends of the spiral piece are provided with support rings which are fixed with the center shaftthrough a radius rod. The scheme can be used in multiple liquid mixing modes, cancels a bearing seat, reduces the volume of the device, has convenient installation, utilizes the cone-shape screw capto reduce the resistance entering the liquid, and utilizes a gas filled tube to lead the mixing of gas and liquid to be more convenient. The scheme has simple structure, can adjust the screw pitch ofthe spiral piece according to actual condition, and reduces cost.

The invention provides a multistage fracturing and exploitation control method. Switch sliding sleeves are arranged on n production layers in the pit respectively, every two adjacent switch sliding sleeves are connected through a packer, and the switch sliding sleeve at topmost end is connected to a well completion pipe sleeve through one packer. When operation needs to be conducted on a certain production layer, the switch sliding sleeve on the production layer is opened, and the sliding sleeve is closed after the operation is completed. Through the multistage fracturing and exploitation control method, production increase operation or exploitation control of the corresponding production layers can be achieved, interaction between all the layer segments can be effectively avoided, productivity of all the layer segments is maximized, the service life of a borehole is prolonged, and well drilling cost is reduced.