99results about How to "Increase space distance" patented technology

A position detection apparatus is provided, which includes a plurality of position detection systems such as an electromagnetic-type position detection system and a capacitive-type position detection system. The apparatus is configured to select a transmission conductor among a plurality of transmission conductors in a first position detection system, and to select a reception conductor among a plurality of reception conductors in a second position detection system, so as to increase the spatial distance between the selected transmission conductor in the first position detection system and the selected reception conductor in the second position detection system as much as possible, to thereby reduce interference. Further, a relationship of frequency interleave may be provided between a transmission signal to be supplied to the transmission conductor in the first position detection system and another transmission signal to be supplied to the transmission conductor in the second position detection system.

The invention discloses a frequency detection principle-based two-axis resonant silicon micro-accelerometer, which consists of an upper layer and a lower layer. The upper layer is an accelerometer mechanical structure manufactured on a monocrystalline silicon slice; the lower layer is a signal lead manufactured on a glass substrate; the accelerometer mechanical structure consists of a mass block, an outer frame, two pairs of identical resonators and eight identical first-stage lever amplification mechanisms; the mass block is positioned in the middle of the structure; one pair of resonators is symmetrically arranged on the upper and lower sides of the mass block and is used for measuring acceleration input along a y axis; the other pair of resonators is symmetrically arranged on the left and right sides of the mass block and is used for measuring acceleration input along an x axis; and the whole structure is centrosymmetric. The micro-accelerometer is not required to be supported by a supporting beam, so that the structure is simplified; and the micro-accelerometer has a stable structure, and inertia force converted from the acceleration is effectively transferred to the resonators simultaneously.

The invention discloses a silicon micro-resonant accelerometer which comprises an upper layer and a lower layer, wherein the upper layer is an accelerometer mechanical structure manufactured on a single-crystal silicon wafer, the lower layer is a signal lead manufactured on a glass substrate, the accelerometer mechanical structure comprises a mass block, an outer frame, two resonators, four primary leverage amplification mechanisms, two rigid rods and two guide mechanisms, a first resonator and a second resonator are symmetrically arranged at the upper side and the lower side of the mass block, one end of either resonator is connected with the outer frame, and the other end is connected with the guide mechanism; and the mass block is connected with the outer frame by four multi-folded beams, and the outer frame enables the mechanical structure part at the upper layer to suspend above the glass substrate part at the lower part by means of four fixed bases which are symmetrical with the center of the mass block. The invention greatly reduces the influence of residual machining stress and heat stress produced by the temperature change of the working environment on the vibration frequency of the structure, improves the stability of the resonant frequency of the resonator and reduces the temperature coefficient of frequency.

The invention belongs to the technical field of materials, in particular to a preparation method of a composite photocatalyst TiO2 / g-C3N4 derived from MOF (Metal Organic Frameworks). The photocatalystis prepared by a hydrothermal method and a calcination method. A porous titanium-based metal organic framework MIL-125 is prepared by the hydrothermal method. Porous TiO2 nanoparticles are obtained by the calcination process. Melamine is grown in situ on the porous titanium-based metal organic framework MIL-125 by calcination process to obtain the composite photocatalyst TiO2 / g-C3N4. The preparation method provided by the invention is simple, and problems such as agglomeration of TiO2 particles, low specific surface area and low utilization rate of visible light can be effectively solved. Thespecific surface area of the TiO2 can be improved by the porous structure of the titanium-based metal organic framework MIL-125. A photocatalytic range of the TiO2 can be effectively improved by theg-C3N4. The composite photocatalyst TiO2 / g-C3N4 can effectively broaden a spatial distance of photogenerated electron holes, and inhibit the combination of the two. Therefore, the photocatalytic efficiency is greatly improved, the cost is low, environmentally frendly is ensured, and the practical applications and the industrialized productions are improved.

The present invention provides a stimulated Brillouin effect-based differential temperature sensor. The continuous light generated by a light generating unit is subjected to a first modulation amplifier unit to obtain a signal containing the Stokes light and the anti-Stokes light. After that, the signal is subjected to a second modulation amplifier unit to generate a phase modulated signal. The modulated signal is subjected to a filter, so that the Stokes light and the anti-Stokes light are filtered out. The Stokes light passes through a delay optical fiber to be integrated with the anti-Stokes light as one path of optical signals through a 3 dB coupler. The path of optical signals is subjected to a polarizer, so that the polarized light can be extracted. The extracted polarized light is subjected to a third modulation amplifier unit to obtain the pumped pulse light. The pumped pulse light is injected into the initial end of a sensing optical fiber. The detection light of the other path is infiltrated through the tail end of the sensing optical fiber via a scrambler instrument and an isolator. Inside the optical fiber, the detection light forms a circulator together with the pumped pulse light under the stimulated Brillouin effect, and then is converted into an electric signal through a photoelectric detector. According to the technical scheme of the invention, the temperature resolution and the sensing distance are higher on the premise that the high spatial resolution is realized.

The invention discloses hyperglycosylated human growth hormone fusion protein. The human growth hormone fusion protein sequentially contains a human growth hormone (hGH), a flexible peptide joint (L), human chorionic gonadotropin beta-carboxyl terminal rigid peptide (CTP) and a human immunoglobulin Fc fragment from the N terminal to the C terminal. The invention further discloses a method for efficiently preparing the fusion protein. Compared with a recombinant hGH, the built fusion protein has more excellent in-vivo drug efficacy, the in-vivo circulation half-life period is prolonged, the administration frequency is greatly decreased, and the bioavailability is improved; meanwhile, the production process is simpler and more efficient.

The invention discloses an interlayer modulation method which takes the interlayer modulation technology as the basis, the amplitude adjustment and / or the phase shift is carried out on signals after the symbol modulation in at least one layer of the interlayer modulation. The invention also provides a corresponding interlayer modulation device and an orthogonal frequency division multiple access method and a transmitter based on the interlayer adjustment proposal. The technical proposal uses the interlayer modulation technology based on layered interleaved coding, thereby improving the spectrum utilization rate of a system; furthermore, the technical proposal adopts the interlayer amplitude adjustment and / or the phase shift, thereby increasing spatial distance of a constellation point which is corresponding to a transmission symbol in symbol modulation mapping, reducing the interference in the constellation points (namely interlayer interference) after the superposition of a plurality of layers of signals and improving the anti-interference performance of the interlayer modulation system.

The invention relates to an electrostatic spinning method and device with a constant electric field. The electrostatic spinning method with the constant electric field comprises the following steps of: performing electrostatic neutralization on a film surface when the electrostatic spinning forms films, modularizing the electrostatic spinning, appropriately adding the space distance between modules, and adding a strong ion air knife between module so as to reduce or eliminate the static electricity accumulation caused by electrostatic spinning in large scale; and adopting a device module with a special mechanical combination structure formed by combining porcelain and metal, embedding the device module between an insulation main body and a frame, between the insulation main body and a driving system, and between a control system and a controlled insulation main body through the mechanical structure connection requirements of the corresponding equipment, and enabling the device module and the corresponding equipment to be fully insulated under the condition of guaranteeing the mechanical structure connection requirements of the corresponding equipment.

The invention discloses a three-dimensional packaging method having a heat radiation function, which belongs to the technical field of heat radiation and packaging, and can be applied to three-dimensional packaging with relatively large thermal power density. According to the method, three-dimensional stacking of chips through micro-convex points on vertical interconnections of functional chips, wherein the vertical interconnection of a single chip is realized through conductive materials such as copper and aluminum; the material of the micro-convex points is a good conductive material, and the micro-convex points are realized through methods such as electroplating, ball planting or silk-screen printing. A sidewall of a sealed package is provided with small holes for a coolant to perform continuous circulating heat radiation under an external effect which is mainly realized through an inlet and an outlet of the coolant of an outer wall of the sealed package. Through the chip stacking that is realized through direct contact of micro-convex points among the chips, the integration level is improved, and at the same time, vertical distances between upper and lower chips are guaranteed, and convenience is brought to flowing and heat radiation of the coolant. Since the coolant is in direct contact with chips in a package body, the heat radiation is relatively efficient, and since the flow velocity of the coolant at the outlet and the inlet are controlled, the heat radiation is enabled to be controllable and can be adjusted according to actual work condition.

The invention discloses a ferrocene group-containing aniline derivative polymer. The ferrocene group-containing aniline derivative polymer is a homopolymer shown in the formula (II) or a copolymer shown in the formula (III). The invention discloses a preparation method of the ferrocene group-containing aniline derivative polymer and a monomer which is used for preparation of the ferrocene group-containing aniline derivative polymer and is shown in the formula (I). The ferrocene group-containing aniline derivative polymer can be used as a lithium ion battery positive pole material.

The invention provides a total field measuring method and device based on a superconducting quantum interferometer.Thetotal field measuring method comprises the steps that non-orthogonality, sensitivity and zero offset calibrations are carried out on a high-sensitivity triaxial SQUID magnetometer; the three-axis SQUID magnetometer measures the magnetic field component in a to-be-measured environment, and the corresponding high-sensitivity SQUID is reset after the magnetic field component value is greater than a preset threshold value, and then an operating point is re-locked;the flux change ofthe high-sensitivity SQUID during dead time is collected by using corresponding low-sensitivity SQUID to obtain the magnetic flux quantum jump number, thus the magnetic field component value measuredby the high sensitivity SQUID during the dead time is compensated to obtain an accurate magnetic field component value; and thetotal field is synthesizedbased on the accurate magnetic field componentvalue to obtain the total field in the to-be-measured environment. According to the total field measuring method and device based on the superconducting quantum interferometer, the problem of low detection accuracy in the total field measurement by using the three-axis vector fluxgate in the prior art is solved.

The invention provides a flat wire stator winding structure of a motor. The structure comprises a stator iron core with multiple stator grooves, and each phase of winding that is formed by winding a flat wire on the stator iron core, wherein each phase of winding comprises at least one winding unit, and each winding unit comprises a first U-shaped coil and a second U-shaped coil. In part of or allthe second U-shaped coils, all the second U-shaped coils are sequentially and continuously arranged along the circumferential direction of the stator iron core, and one of the second U-shaped coil isplaced on the inner side of the corresponding first U-shaped coil to form a first sub-unit. The flat wire stator winding structure of the motor mainly solves the problem that in the prior art the most consumed coils with different spans are greatly different in ratio, under the primes of ensuring that the conductors in the grooves are invariably divided according to the phase spread, and can improve the problem that the space between the coils at the end part of the non-welding side is tight.

The invention discloses a method for combined pulse speed measurement for an acoustic Doppler flow rate section plotter. An acoustic wave energy exchanger is adopted by the acoustic Doppler flow rate section plotter to serve as a sensor, scattering echoes are generated by sound wave pulses transmitted by the acoustic Doppler flow rate section plotter through an irregular scattering body in water, and after the scattering echoes are received by the acoustic wave energy exchanger, the radial water flow speed is obtained through analysis and processing. The method is characterized in that combined pulses serve as transmitting signals of the acoustic wave energy exchanger; after echo signals are received by the acoustic wave energy exchanger, the echo signals are multiplied by transmitted combined pulse signals; a result is analyzed through a low-pass filter wave and a following frequency spectrum, and therefore the radial flow speed needing to be measured is obtained.

The invention discloses a vertical pipeline type kitchen garbage collection and treatment system. The vertical pipeline type kitchen garbage collection and treatment system comprises a garbage conveying pipeline, a garbage bag breaking and separating device, a garbage treatment device and an online monitoring platform; the garbage conveying pipeline comprises vertical pipelines vertically arrangedon a building and a buffer bend communicating with the lower end of the vertical pipeline, a plurality of garbage throwing openings are formed in one side of the vertical pipeline, at least one garbage throwing opening is formed in the vertical pipelines of each floor; the garbage bag breaking and separating device is mounted in the garbage conveying pipeline; the garbage treatment device is mounted at the tail end of the buffer bend and is used for carrying out treatment on garbage; and the online monitoring platform monitors the working state of the system and controls the opening and closing of the garbage throwing openings and the working of the garbage treatment device. According to the vertical pipeline type kitchen garbage collection and treatment system, efficiently collecting andtreating the kitchen garbage in the building can be carried out, information identification and online joint control of kitchen garbage throwing are realized, the kitchen garbage collection, collection and transportation, and treatment cost is reduced, and the kitchen garbage treatment efficiency and the resource product utilization rate are improved.

The invention discloses a manufacturing method for a semiconductor device, including the following steps that: a grid electrode with a sidewall spacer is formed on a semiconductor substrate; the sidewall spacer comprises a silicon oxide layer and a silicon nitride layer; a source region and a drain region are formed inside the semiconductor substrate; moreover, metal silicides are formed on the surfaces of the grid electrode, the source region and the drain region; the silicon nitride layer arranged inside the sidewall spacer is removed; an etching stop layer is formed on the surface of the substrate comprising the grid electrode, the source region and the drain region; moreover, a medium layer is deposited on the surface of the etching stop layer. The invention can improve the filling quality of a PMD layer in the space between grid electrodes.

The invention provides a preparation method of a novel polysaccharide conjugate vaccine treating a PEG heterobifunctional reagent as a conjugation bridge. A meningococcal polysaccharide conjugate vaccine is exploited through the method. The method has the following advantages: 1, the respective self-crosslinking of polysaccharides and proteins in traditional methods is avoided, the yield is improved, and the quality control is benefited; and 2, a long PEG chain can increase the distance between the polysaccharides and the proteins, reduce the mutual space shield effect between the polysaccharides and the proteins, and improve the immunogenicity of the polysaccharide conjugate vaccine.

The invention provides an entity recognition method and device, equipment and a storage medium. The method comprises the steps of obtaining original threat intelligence texts; for each original threat intelligence text, marking each segmented word in the original threat intelligence text according to the entity type of the entity to which the segmented word belongs to obtain a training sample; and inputting the training sample into an entity recognition model, and training the entity recognition model by using each segmented word in the training sample and the entity mark corresponding to the segmented word to obtain a trained entity recognition model, wherein a loss function used by the entity recognition model in the training process is used for reducing the spatial distance between segmented words with the same entity mark and increasing the spatial distance between segmented words with different entity marks; and inputting to-be-recognized threat intelligence texts into the trained entity recognition model to obtain an entity recognition result. The recognition accuracy of specific types of entities in the threat intelligence field can be improved.

A solar cell includes a support substrate; a back electrode layer on the a support substrate; a light absorbing layer on the back electrode layer; a buffer layer on the light absorbing layer; a front electrode layer on the buffer layer; and a fourth through hole formed through the back electrode layer, the light absorbing layer, the buffer layer and the front electrode layer, wherein at least a portion of the fourth through hole is inclined with respect to a top surface of the support substrate.

A communications device includes a transmitter, a transmission processing device, a receiver, and a reception processing device. The transmission processing device assigns signal-space points within an I / Q signal space to digital signals, which include data values. The reception processing device assigns data values to signal-space points. The transmitter generates a transmission signal from signal-space points to be transmitted. The receiver determines received signal-space points from a received signal. The individual transmitted and received signal-space points provide in each case a smaller spacing distance from adjacent signal-space points than from the origin of the signal space.

The invention provides a biological reaction device which replaces human kidney, consisting of a biological reactor, a peristaltic pump, a cell culture liquid constant-flow device and a constant temperature box; the biological reactor consists of a plastic shell, a pouring liquid inlet, a pouring liquid outlet, a cell culture liquid inlet, a cell culture liquid outlet, a sulfone film nanometer supporting layer and a hollow fiber pipe; the hollow fiber pipe is arranged in a concentric round; the peristaltic pump is connected with the pouring liquid inlet and the pouring liquid outlet of the biological reactor; the constant-flow device is connected with the cell culture liquid inlet and outlet of the biological reactor; the biological reactor, the peristaltic pump and the constant-flow device are arranged inside the constant temperature box; the biological reaction device has reasonable design and simple and convenient preparation, can replace the kidney function of acute renal failure and multiple organ dysfunction syndrome patient in long-term or leads the similar patients to gradually recover the self-kidney tissue and other functions, thus improving the survival rate of the multiple organ dysfunction syndrome patient and prolonging the survival time of the multiple organ dysfunction syndrome patients.

The invention discloses a tripping mechanism and a surge protection device equipped with the tripping mechanism. The tripping mechanism comprises a base, a push-off piece, a traction component, an interception piece and a blockage point, wherein an electrode connecting component of a to-be-tripped protective device is welded to an electrode connecting point of the to-be-tripped protective device through soldering tin; one end of the push-off piece is rotatably mounted on the base, and the other end of the push-off piece presses the electrode connecting component downwards through the tractionof the traction component; and the interception piece is rotatably mounted on the push-off piece, and the blockage point is fixed on the base. When the soldering tin on an electrode point is molten, the push-off piece which presses the electrode downward continuously presses and moves downwards under the continuous traction of the traction component so as to pull the interception piece to move therewith; and the interception piece is blocked by virtue of the blockage point and then rotates, one end of the interception piece can utilize the blockage force of the blockage point, and thus the relative other end of the interception piece is rotated towards the electrode to the space between the electrode point and the electrode.

A communications device includes a transmitter, a transmission processing device, a receiver, and a reception processing device. The transmission processing device assigns signal-space points within an I / Q signal space to digital signals, which include data values. The reception processing device assigns data values to signal-space points. The transmitter generates a transmission signal from signal-space points to be transmitted. The receiver determines received signal-space points from a received signal. The individual transmitted and received signal-space points provide in each case a smaller spacing distance from adjacent signal-space points than from the origin of the signal space.

The invention discloses a pneumococcus conjugate vaccine which is a conjugate vaccine prepared from a multivalent pneumococcus polysaccharide and two or more carrier proteins through a connector, wherein the connector is a magnetic nanoparticle. A preparation method of the pneumococcus conjugate vaccine comprises coupling the multivalent pneumococcus polysaccharide and two or more carrier proteins with the nanoparticle. The preparation process of the pneumococcus conjugate vaccine is simple, the pneumococcus conjugate vaccine taking the nanoparticle as the connector strengthens the Th1 type immune response of a mouse, as well as the immune persistence, specificity and affinity of the polysaccharide specific antibody, additionally, the production of a rotavirus antibody of the mouse is also induced, the prevention effects of two vaccines are achieved, and therefore, the pneumococcus conjugate vaccine has a quite extensive application prospect.

An embodiment of the invention relates to the technical field of communication, and discloses a mobile phone antenna. The mobile phone antenna comprises a metal frame and a mainboard arranged in the metal frame; breakpoints are arranged on the metal frame; the breakpoints are used for dividing the metal frame into a plurality of sub-metal sections which are separated mutually; the plurality of thesub-metal sections at least include a first sub-metal section which forms a clearance area of a diversity antenna together with the mainboard, a second sub-metal section which forms a clearance areaof a three-in-one antenna together with the mainboard, and a third sub-metal section located between the first sub-metal section and the second sub-metal section and used for arranging a metal part ofa mobile phone; the first sub-metal section is a radiation body of the diversity antenna; and the second sub-metal section is a radiation body of the three-in-one antenna. According to the mobile phone antenna provided by the invention, while the performance of the antenna is improved and the space of the mainboard is saved, the cost of the mobile phone is reduced.

The invention discloses silicon film coated aluminum pigment as well as a preparation method and application thereof. The silicon film coated aluminum pigment is aluminum pigment coated with a Si-O-Si film having N layers of network structures, every two adjacent network structures are connected with each other by means of a coupling agent, and N is more than or equal to 3. The silicon film coated aluminum pigment can be used only when being dry mixed with a powder coating, so that the coating rate is increased; a binding process is not needed, so that the problems of caking scrap and poor bonding effects which are caused by difficult control of the process can be avoided, the aluminum pigment is not damaged, and the metallic luster effect is guaranteed; furthermore, after the aluminum pigment is sprayed, the twinkle effect of a paint film is improved; in addition, the paint film is high in surface hydrophobicity, so that the acid and alkali resistance and weather resistance of the paint film are greatly improved. The coupling agent comprises long chains of polycarbon and functional groups; in a reaction process, the long-chain carbon has a steric hindrance effect and the hydrolyzed functional groups contain charges of the same properties, so that the particles of the aluminum pigment do not agglomerate by means of adsorption, and the phenomenon of caking scrap is avoided.

A plasma pyrolysis system relates to a plasma device and comprises a triphase rectifier, a high frequency power source and a plasma device; a triphase alternating current circuit is connected to a triphase alternating current input interface of the triphase rectifier; a monophase alternating current circuit is connected to a working frequency input interface of a high frequency power source; an isolator is arranged in the system; a direct current output interface of the triphase rectifier is connected to a direct current input end of the isolator; the plasma device consists of a first discharging component and a second discharging component; a first electrode, a second electrode, a third electrode are arranged in the first discharging component; a fourth electrode is arranged in the second discharging component; a high frequency output interface of the high frequency power source is connected to the first electrode; the direct current output end of the isolator is connected to the second electrode; a direct current loop interface of the triphase rectifier is connected to the fourth electrode. A plasma gasifying manner is adopted to perform ionization activation and then perform pyrolysis treatment through a second-class hyperthermia plasma arc on water vapor to dissolve the water vapor into active substances of hydrogen and oxygen to be used as a gasifying agent.