An auricle-installed apparatus, including: a device configured to be installable to a user's ear and have an electric conversion function; and a main body including a supporting portion configured to support the device, and a first curved portion and a second curved portion that are configured to be installable to a user's auricle, the first curved portion and the second curved portion having a first state configured to maintain a first curved shape and a second state configured to maintain a second curved shape different from the first curved shape.
The present invention discloses a thermal activation sensitized phosphorescence organic electroluminescent light emitting device which comprises a light emitting layer. The main body material of the light emitting layer is formed by two materials which are a hole-transporting material and an electron-transporting material. At least one material in the two materials is a thermal activation delayfluorescence material. The main body material is doped with a phosphorescent dye whose proportion is smaller than 15% by weight in the light emitting layer. The triplet energy level of the CT excitation state of the thermal activation delayfluorescence material is higher than the triplet energy level of an n-pi excitation state, and the difference is between 0 and 0.3 eV. Or, the triplet energy level of the CT excitation state of the thermal activation delayfluorescence material is higher than the triplet energy level of the n-pi excitation state, and the difference is larger than 1.0 eV, and the difference between the second triplet energy level of the n-pi excitation state and the first singlet energy level of the CT excitation state is between -0.1 eV and 0.1 eV.
An earphone includes a first driver units reproducing sound waves in a high-frequency range, a second driver units reproducing sound waves other than the high-frequency range of the first driver units, and a unit case for housing the respective driver units and a sound delivery tube for leading sound waves from the driver units to a user's ear canal, the sound delivery tube being formed to communicate with the unit case. A sound emission axis of the first driver units and a sound emission axis of the second driver units are disposed in parallel to each other, and the sound emission axis of the first driver unit passes through in an opening of the sound delivery tube. This construction, including multiple driver units for producing different frequency ranges, allows to provide an earphone in which attenuation of high-frequency components in particular is reduced.
Image sensingradiation detection pixels of m (columns)×n (rows) are divided into, e.g., 72 pixel regions. Image sensingradiation detection pixels belonging to one pixel region are connected to the same read TCP and driving TCP. For example, three regions (AEC radiation detection regions) of the 72 pixel regions have a plurality of AEC radiation detection pixels. An AEC radiation detection pixel has a TFT sensor. Spare wiring lines for the AEC radiation detection pixels are arranged at two side portions of each read TCP. Each spare wiring line is connected to a predetermined circuit in a read device to connect the AEC radiation detection pixels to the predetermined circuit so that the AEC circuit is operated.
An optical fiber, which is provided in each of channels of an optical fiber array disposed on V-grooves, has a portion (reflecting section) at which a core is cut out at an intermediate position of the optical fiber. The reflected light, which is split from a signal light transmitted in the core of the optical fiber on the basis of a refractive index difference at the reflecting section, is obtained through a index matching layer provided outside a clad of the optical fiber. The reflected light is monitored by a photodetector of a photodetecting array.
A piezoelectric stack having a porous resin sheet and a surface-coating layer stacked on the front and / or back surface of the porous resin sheet, which are the outside surfaces of the surface-coating layer, the volume resistivity of the surface-coating layer being at least 1 × 1013 Ω•cm, and the porous resin sheet and the surface-coating layer having different degrees of elasticity.
The invention discloses a method and a system for detecting electric powersignal frequency based on phase modulation. The method comprises the following steps of sampling electric power signals according to preset signaltime duration and preset sampling frequency to obtain an input signal sequence; measuring the frequency of the input signal sequence to obtain the initial frequency of the electric power signals, and subtracting the input signal sequence from the + / - 1 phi phase-shift sequence of the input signal sequence by taking the initial frequency as a reference frequency to obtain two phase modulation sequences of which the phase positions vary along with the input signal frequency, wherein the two phase modulation sequences are used for frequency measurement. Through the implementation of the method and the system, the frequency measurement result with higher precision can be obtained.
The invention discloses a K ion-doped and high-voltagespinel / carbon double-layer coated lithium-rich anode material and a preparation method thereof. The lithium-rich anode material comprises a K ion-doped modified core and a high-voltagespinel / carbon double coatinglayers, wherein the surface of the core is coated with the high-voltagespinel / carbon double coatinglayers, the core is Li1.2-xKxMn0.6-yNi0.2-yCo2YO2, x is equal to 0.00-0.1, and y is equal to 0.00-0.05; the component of the high-voltage spinel layer in the high-voltage spinel / carbon double coatinglayers is Li1-xKxMn1.5-yNi0.5-yCo2yO4, x is equal to 0.0-0.2, and y is equal to 0.0-0.1; the carbon coating layer is of a composite structure of dopaminepolymerpyrolytic carbon and reduced grapheneoxide. The preparation method includes the steps that through a spraying drying technology, the K ion-doped modified core is prepared, the surface of the core is coated with dopaminepolymer, coating of grapheneoxide is carried out on the basis, and through follow-up sintering, the K ion-doped and high-voltage spinel / carbon double-layer coated lithium-rich anode material is prepared. A modification step is easy to control, and the electrochemical performance of the lithium-rich anode material can be obviously improved.
A negative electrode for a lithiumion secondary battery, which has high energy density and which can suppress a crease (form change) of a negative electrode active material layer and a negative electrodecurrent collector caused by the expansion and contraction occurring along with the quick charging and discharging and also suppress the falloff of the negative electrode active material layer after the quick charging and discharging cycle, and a lithiumion secondary battery using the negative electrode. The negative electrode for a lithiumion secondary battery and the lithium ion secondary battery include: a negative electrode active material including 5% or more of silicon or siliconoxide; a binder that is polyacrylate whose carboxylic groups at terminals of side chains of polyacrylic acid are cross-linked with magnesium or alkaline earth metal; and a negative electrode current collector.
The invention provides a silicon-based composite material for a negative active material, a negative plate and a lithiumion battery. The preparation method comprises the following steps: arranging single-walled carbon nanotubes distributed in a three-dimensional network shape and an optional first conductive agent in a solidelectrolytecoating layer; a three-dimensional conductive network can beconstructed on the surfaces of silicon material particles. Due to the establishment of the three-dimensional conductive network, the electron transmission between the silicon material particles and between the silicon material particles and the graphite is enhanced. The smoothness of an electronic channel after silicon expansion is ensured. The electron transmission stability in the circulation process is improved. The utilization rate of silicon is increased, the first utilization rate of the silicon material is increased, the first effect and the battery capacity of a lithiumion battery containing the silicon-based composite material are improved, the SWCNT elasticity is large, the super mechanical property is 100 times that of steel, it is guaranteed that a conductive network is not changed when a silicon negative electrode expands during circulation, circulation attenuation is slowed down, and the circulation performance is improved.
A liquid crystaldisplay device is constructed such that a polarizer and a reflection polarizer are bonded in the stated order on the back face of a liquid crystal display panel by using a diffusing adhesive material. A light transmitted through the polarizer and from the front face of the liquid crystaldisplay device is diffused by the diffusing adhesive material and is incident on the reflection polarizer. In this case, a geometric angle between the transmission axis of the polarizer and that of the reflection polarizer is made ranging from 0 DEG to 90 DEG excluding 0 DEG.
The invention discloses a selenium-doped lithium-rich manganese-based positive electrode material as well as a preparation method and application thereof. In the structure of the selenium-doped lithium-rich manganese-based positive electrode material, selenium in an anionic form is distributed in a lithium-rich manganese-based positive electrode material, the chemical general formula of the positive electrode material is mLi2MnO3-delta Se2 delta / 3.(1-m)LiTMO2-deltaSe2delta / 3, TM is at least one of Ni, Co and Mn, 0.2 <= m <= 0.8, and the delta is greater than 0 and lower than 2; and the contentof selenium in the positive electrode material is 0-5% in percentage by mass. The positive electrode material has relatively good lattice stability and electrode / electrolyte interface stability, notonly can inhibit lattice oxygen loss in a circulation process, but also can inhibit electrolytedecomposition, relieves the capacity attenuation and the voltage drop of the lithium-rich manganese-based positive electrode material in the circulation process, and effectively overcomes the problems of poor rate capability and the like of existing positive electrode materials. The preparation method is simple and easy to popularize.
The invention provides a medical electronic endoscope with a built-in power source. The medical electronic endoscope is tubular in shape. The front end of the medical electronic endoscope is providedwith a photoelectric conversion unit and a lighting unit, wherein the photoelectric conversion unit is used for converting optical signals collected by an imaging window and an imaging lens to electric signals of static images and / or videos; light emitted by the lighting unit casts to a target area pointed by the endoscope uniformly through a lighting window arranged on the front end of the medical electronic endoscope and besides the imaging window; the rear end of an imaging lensbarrel of the imaging lens is arranged to have a full chamfer, and a filter sheet is used in combination for physical isolation of the photoelectric conversion unit and the imaging lens, so that the electric safety of the endoscope in use is improved. The medical electronic endoscope provided by the invention issmall in size, convenient to operate, clear in imaging, good in electric property and low in use cost and support high temperature high voltage sterilization.
The invention provides an SBS modified asphalt stabilizer. The SBS modified asphalt stabilizer comprises the following components in parts by weight: 60 to 80 parts of sulfur, 5 to 10 parts of an accelerant, 5 to 10 parts of zincoxide, 0 to 10 parts of an antioxidant, and 10 to 40 parts of a filling dispersant, wherein the sulfur is a sulfur byproduct obtained by treating catalytic cracking acidgas in a refineryplant, the content of S in the sulfur is greater than 99.0%, the balance is impurities of a desulfurization solution, and the impurities of the desulfurization solution are one or more of sodiumsulfate, sodiumsulfite, sodiumcarbonate and sodium bicarbonate. According to the invention, the ductility index and the anti-aging ability of the SBS modified asphalt after aging can beimproved, the development time of the product can be shortened, and the attenuation of the ductility index along with time can be effectively inhibited. In addition, the stabilizer can effectively improve the mechanical properties of the SBS modified asphalt.The invention also provides the SBS modified asphalt.
The present invention relates to signalprocessing for motion blur improvement. The image memory of the present invention sequentially stores input image data of a plurality of frames inputted. The writing control unit controls writing to the image memory. The read control unit controls read from the image memory. The drive image data control unit generates the drive image data based on read image data sequentially read from the image memory. The drive image data generation unit replaces at least a part of the read image data with mask data to generate the drive image data. The pixel value indicated by the mask data is determined based on the pixel value indicated by the read image data corresponding to the pixel to be replaced by the mask data. In this way, it is possible to improve the blurring of moving images that occurs in the image display device, and suppress the attenuation of the brightness level of the displayed image.
The invention relates to the manufacturing technical field of a battery material, and particularly to a manganese-based composite positive electrode material and a preparation method therefor. Through the matching of a manganese source, a lithium source, a chromium source, a lanthanum source, a binder, a solvent and spinellithiummanganate particles, the spinellithiummanganate particles can be taken as the core; a high-valance lithium-rich phase can be formed in the middle layer and a low-valence Li<2>MnO<2> phase can be formed in the outer layer; consequently, the spinel lithium manganateenergy storage part is formed in the interior; the high-valance lithium-rich phase energy storage part is formed in the middle; the Li<2>MnO<2> phase energy storage part is formed in the outer layer; the specific capacity of the positive electrode material is effectively improved; the outer layer of the spinel lithium manganate particles is coated with the low-valance-state material, so that the dissolution of the spinel lithium manganate and the attenuation of the high-valence lithium-rich phase in the middle layer are effectively restrained; and the outer layer is coated with the phase with much lithium, so that the rate of decay of the positive electrode is effectively lowered and the specific capacity of the positive electrode material is improved.
A magnetic coupling type isolator includes: a magnetic field generator for generating an external magnetic field by an input signal; a magnetoresistive element for detecting the external magnetic field and converting the detected magnetic field into an electric signal, the magnetoresistive element being electrically insulated from the magnetic field generator and positioned in a location capable of being magnetically coupled so as to be overlapped with the magnetic field generator as seen in a top plan view; and first and second shield films overlapped with the magnetic field generator and the magnetoresistive element as seen in a top plan view, wherein a distance between the magnetoresistive element and the second shield film is set to 8 to 100 μm.
There are included a capsule-like endoscope (2) for capturing intracoelomic images; and a transmitter / receiver apparatus (3) having a wireless transmission / reception function for the capsule-like endoscope (2). There are further included a display device (4) for displaying, based on data received by the transmitter / receiver apparatus (3), intracoelomic images; and a mobile recording medium (5) for delivering data between the transmitter / receiver apparatus (3) and the display device (4). A transmitter / receiver jacket (3b) constituting the transmitter / receiver apparatus (3) includes a reception antenna (A1) for receiving radio signals transmitted from the capsule-like endoscope (2); and an amplifier (C1) provided in the vicinity of the reception antenna (A1). The provision of the amplifier (C1) in the vicinity of the reception antenna (A1) can suppress the attenuation of received radio signals and also suppress the admixture of noise signals.
The invention discloses a multifunctional adsorption coating layer and a diaphragm adopting the same, and relates to the multifunctional coating layer prepared from an adsorbing material; the adsorbing material in the coating layer mainly is metal salt or a mixture of metal salt and other inorganic metaloxide; the BET specific surface area of metal salt is higher than 15m<2> / g; the adsorbing material is mixed with a solvent, a binder and a dispersing agent to prepare coating paste to coat the surface of the diaphragm to form the coating layer with an adsorption function; and after the diaphragm coated with the coating layer on the surface is assembled into a battery, organic gas and inorganic gas generated by a secondary reaction in the shelving and using processes of the formed battery,and inorganic metal ions dissolved from a ternary positive electrode material are adsorbed, so that battery expansion and performance degradation are suppressed to a certain degree.
Owner:CHINA AVIATION LITHIUM BATTERY RES INST CO LTD +1
The invention provides a constant current transmitting system for measurement while drilling of an electromagnetic wave geosteering tool and belongs to the field of oil exploitation or underground mine exploration or the like. A wireless electromagnetic wave transmitting device is connected with a current detecting unit, the current detecting unit is connected with a current signal feedback unit and a transmitting antenna, and the current signal feedback unit is connected with a current control unit. The current control unit is connected with a power supply device, and the power supply device is connected with the wireless electromagnetic wave transmitting device. The constant current transmitting system can be applied to measurement while drilling of the wireless electromagnetic wave geosteering tool or other working modes with wireless electromagnetic waves used for achieving data transmission between stratums or between ore beds, and working media comprise drilling fluid, clean water, air, nitrogen and the like. A power control method for wireless electromagnetic wave data transmission has the advantages that attenuation on transmission signals by the change of resistivity of stratum and drilling media is well lowered so that the wireless electromagnetic data can be better detected on the ground.
The invention relates to an electrostatic coupling-type signal transmitting and receiving circuit which transmits and displays data through a non-contact transmission circuit consisting of a display panel substrate, a transmitting substrate and an electrostatic capacitance , wherein the electrostatic capacitance is formed between the transmitting substrate and the display panel substrate. The transmitting substrate comprises a transmission signalprocessing circuit which converts display data into a voltagesignal, and an electrostatic electrode used for transmitting. The display panel substrate comprises an electrostatic electrode used for receiving, an impedance converter circuit and a receiving signal processing circuit. The electrostatic electrode used for transmitting and the electrostatic electrode used for receiving form an electrostatic coupling electrode couple. Insulating components are arranged between the electrostatic coupling electrode couple to form the electrostatic capacitance. The voltage signal is provided for the receiving signal processing circuit via the impedance converter circuit to regenerate the display data and display the display data in a display unit. The electrostatic coupling-type signal transmitting and receiving circuit can prevent the attenuation of a signal on a non-contact transmission path and the change of the voltage on the receiving side when the capacitance is changed, need not modulation and demodulation of the signal, and can realize the non-contact transmission which doesn't depend on the transmission rate.
A magnetic coupling type isolator includes: a magnetic field generator for generating an external magnetic field by an input signal; a magnetoresistive element for detecting the external magnetic field and converting the detected magnetic field into an electric signal, the magnetoresistive element being electrically insulated from the magnetic field generator and positioned in a location capable of being magnetically coupled so as to be overlapped with the magnetic field generator as seen in a top plan view; and first and second shield films overlapped with the magnetic field generator and the magnetoresistive element as seen in a top plan view, wherein a distance between the magnetoresistive element and the second shield film is set to 8 to 100 μm.
The invention provides a lithiumoxide coated and niobium doped coupled modified high-nickel ternary positive electrode material as well as a preparation method and application thereof. The preparation method of the positive electrode material comprises the following steps of: weighing a niobium source and a lithium source according to a theoretical calculation proportion of a molecular formula LiNbO3; respectively dissolving the niobium source and the lithium source in absolute ethyl alcohol to prepare solutions, mixing two solutions, heating the mixed solution, and then adding a high-nickel ternary material; continuously heating the mixed solution until the absolute ethyl alcohol in the mixed solution is evaporated to dryness to obtain a precursor; and grinding the precursor, and calcining the precursor step by step to obtain the lithium niobate coated and niobium doped coupled modified high-nickel ternary positive electrode material. The positive electrode material disclosed by the invention not only can inhibit side reaction between an electrolyte and an interface in a circulating process, but also can inhibit phase change in the circulating process, so that the circulating stability and the structural stability can be enhanced, and the problems of poor rate capability, poor circulating stability, crack generation and the like in the existing positive electrode material can be effectively solved.