43 results about "Molecular Density" patented technology

An ionization vacuum gauge which has at least three electrodes of a grid (2), an electron source (3) and an ion collector (1) in a vacuum vessel (4) connected in communication with a vacuum apparatus, oscillates electrons emitted from the electron source (3) within and outside of the grid (2), ionizes gas molecules flying into the grid (2) by the oscillated electrons, supplements the ionized ions by the ion collector (1) to convert into a current signal, and measures a gas molecular density (pressure) in the vacuum apparatus according to the obtained current intensity, wherein the ion collector (1) is provided with heating means for heating the ion collector.

The invention discloses an organic electroluminescent display panel and a manufacturing method thereof, and a display apparatus. According to the organic electroluminescence display panel, a first groove for accommodating an organic electroluminescent structure is formed in a display area of a packaging cover plate; and at least one second groove encircling the first groove is formed in a non-display area of the packaging cover plate, wherein the boundary of the second groove is closed. A metal layer enables a protruding part of the packaging cover plate to be bonded with a substrate. Because the protruding part of the packaging cover plate and the metal layer located between the protruding part and the substrate have high molecular densities, a high-efficiency water and oxygen blocking effect can be realized. Moreover, frame sealing glue is accommodated by the second groove and the substrate and the packaging cover plate can be bonded well based on cooperation of the frame sealing glue. Therefore, the packaging cover plate and the substrate can be bonded well based on the metal layer and the frame sealing glue. And under the circumstances the bonding between the packaging cover plate and the substrate is guaranteed, the sealing performance of the organic electroluminescent display panel can be effectively improved.

The invention provides an organic compound and application thereof, and the organic compound has a structure as shown in formula I, has bipolar characteristics, and realizes higher triplet state energy level ET, higher molecular density and stronger intramolecular charge transport. The organic compound is used as a luminescent layer material of an OLED device, and can be used as a host material, aguest material or a co-doped material. The organic compound provided by the invention, as a luminescent layer material, has relatively high glass transition temperature and molecular thermal stability; meanwhile, the bipolar characteristic of the organic compound is beneficial to electron and hole transmission, the efficiency roll-off of a blue light material can be reduced, the luminance and theexternal quantum efficiency are improved, the turn-on voltage is reduced, the luminous efficiency of the OLED device is remarkably improved, and the service life of the OLED device is remarkably prolonged.

The invention discloses a very low frequency radio wave propagation time-varying characteristic prediction method combined with an IRI model, and the method comprises the steps: firstly deducing and calculating an electric field component Er, solving ionosphere surface impedance [delta]i, and obtaining ionosphere electron density Ne and electron temperature Te which change along with the height; oxygen atom density NO changing along with the height is obtained; the molecular density of the oxygen gas is as shown in the specification, and the molecular density of the nitrogen gas is as shown inthe specification, the molecular density of the oxygen gas is as shown in the specification, the molecular density of the nitrogen gas is as shown in the specification; combining a calculation formula of the ionosphere collision frequency ve to obtain a collision frequency ve which changes along with the height of the ionosphere; substituting the obtained collision frequency and electron densitydata into an ionosphere surface impedance calculation method, and further updating and correcting the ionosphere surface impedance [delta]i; substituting the updated surface impedance [delta]i of theionized layer into an electric field intensity calculation formula, further solving the field intensity Er corresponding to different times, drawing a change graph of the field intensity along with different times through simulation, comparing a result with actual measurement data, and further analyzing and predicting the change characteristics of the field intensity along with time. According tothe invention, the problems of very low frequency electromagnetic wave measurement error and large correction error in the prior art are solved.

The invention discloses a method and a device for monitoring flight speeds of an air vehicle and environmental parameters thereof. The emitted laser of a single-longitudinal mode narrowband laser interacts with the air to generate Rayleigh-Brillouin scattering, a Rayleigh-Brillouin scattering spectral line is measured by using a heterodyne method of a multi-longitudinal mode laser with a wide radiation line width, the atmospheric molecular density and the temperature information of the environment where the air vehicle is located are obtained by combining the gas scattering theory with a model, meanwhile different flight speeds of the air vehicle are measured according to the Doppler effect, and finally, multiple parameters are simultaneously measured accurately. The method and the devicedisclosed by the invention have the advantages of simultaneously and accurately monitoring multiple parameters from ow speed to high speed and from low altitude to high altitude in real time in all weathers, high sensitivity and high temporal-spatial resolution.

The method of measuring the number of molecules or the molecular density of a sample according to the present invention includes the steps of: a) labeling each of the molecules with a preset number of fluorescent substances before or after the sample is fixed on the substrate surface, b) obtaining an image of the fluorescent substances from the whole of the substrate surface or from a part of the substrate surface, c) measuring the number of the fluorescent spots and the intensity of every fluorescent spot, and d) calculate the number of molecules or the density (concentration) of molecules of the sample based on the above-described measurement results.

A compound, a display panel and a display device are provided. The invention provides a compound with a D-Pi-A type chemical structure. The compound has a structure shown as a chemical formula I, wherein L1 and L2 are independently selected from at least one of a single bond, an alkylene group, a cycloalkylene group, a heterocycloalkylene ring group, an arylene group, a heteroarylene group, a fused arylene group and a fused heteroarylene group; the electron donors D1 and D2 are and independently selected from at least one of alkyl, cycloalkyl, alkoxy, heterocyclic group, aryl, heteroaryl, fused arylene group, fused heteroarylene group, carbazolyl, diphenylamine group, triphenylamine group, acridine group and azine group; RF is selected from any one of-F, -CF3, -CF2H, -CF2CF3 and -SF3. As amain body material in an electroluminescent device, the compound has higher triplet state energy level ET, higher molecular density, higher glass transition temperature and higher thermal stability,so that the balanced migration of carriers is effectively improved, the exciton composite area is widened, and the light extraction efficiency is effectively improved. Therefore, the luminous efficiency and the service life of the device are greatly improved.

Membrane proteins represent ˜30% of the proteome of both prokaryotes and eukaryotes. Unique to cell surface receptors is their biogenesis pathway, which involves vesicular trafficking from the endoplasmic reticulum through the Golgi apparatus and to the cell surface. Increasing evidence suggests specific regulation of biogenesis for different membrane receptors, hence affecting their surface expression. A pulse-chase assay can be used to monitor function recovery after chemobleaching (FRAC) to probe the transit time of the cell surface receptors to reach the cell surface. This method distinguishes molecular density from functional density. The ability of the reported method to access the biogenesis pathways in a high-throughput manner facilitates the identification and evaluation of molecules affecting receptor trafficking.

The invention in particular relates to a multi-functional blowing shoe mold, and belongs to the technical field of a shoe making mold. The multi-functional blowing shoe mold comprises mold frames that are opened or closed horizontally, wherein air passages are arranged in the mold frames; a bed die is installed in the middle of each mold frame; a shoe tree is positioned above the bed die and corresponds to the bed die in shape and structure; a feed port is formed in the root part of the bed die, wherein a constant-pressure air cabin is arranged at one side of the mold frame; and the bottom of the shoe tree and the bed die form a sole forming cavity that is communicated with the constant-pressure air cabin by the air passages. The multi-functional blowing shoe mold disclosed by the invention ensures that the bottom surface of a sole has high molecular density and good wear resistance, each middle layer has low density, is soft and has good elasticity, raw materials are saved, and the sole has long service life. Simultaneously, one mold can satisfies the production of injection-molding shoes, blowing shoes, pre-plasticized shoes and bicolor shoes, so that multiple purposes are realized by one mold, the manufacturing cost of the mold is saved, and the production efficiency is improved.

The invention provides an organic compound, an electroluminescent material and application thereof, the organic compound has a structure as shown in a formula I, is an organic small molecular compound containing an aza-carbazole condensed ring structure, has the characteristic of bipolar property, has strong intramolecular charge transport capability, and can effectively reduce the efficiency roll-off of a blue light material, and the light-emitting brightness and the light-emitting efficiency are improved. The organic compound is especially suitable for being used as a host material, has a high triplet state energy level T1 and a large molecular density, and has a high glass transition temperature and good molecular thermal stability.Balanced migration of carriers is improved, an exciton recombination area is widened, light extraction efficiency is effectively improved, light emitting efficiency of the device is greatly improved, and service life of the device is greatly prolonged. And the organic compound has a very wide application prospect in electroluminescent devices.

The method includes receiving a digital image of a slide, the slide including the tissue sample, a target dot and a fluoro dot. The digital image includes intensity values of the tissue sample, the target dot and the fluoro dot. The method further includes receiving pixel intensities of the fluoro dot depicted in the image; pixel intensities of the target dot depicted in the image; pixel intensities of an area of the tissue sample depicted in the image; fluorescence-inducing molecule density information indicative of the known density of the fluorescence-inducing molecules in the fluoro dot; target molecule density information indicative of the known density of the target molecules in the target dot; and computing the density of target molecules in the area of the tissue sample as a function of the received pixel intensities and the received molecule density information.

In a contactor contact piece members can be arranged at a fine pitch, and a contact can be made surely by a small contact pressure. The contact piece members electrically connect an electronic part to an external circuit. The contact piece member is formed of an electrically conductive material in a generally spherical shape. A molecular density of a central part of the contact piece member is lower than a molecular density of a part near a surface. The electrically conductive material may include at least one of an electrically conductive fine particle, an electrically conductive fiber and an electrically conductive filler.

The invention discloses a processing method, based on a matrix of glass, silicon chips and dimethyl silicone polymer, for a biological-contamination resistant array chip. According to the invention, different biological-contamination resistant materials are adopted to build an array area and a non-array area of the chip respectively, so that the surfaces of the entire chip all have the biological-contamination resistant function, and the array area can react with biological components to obtain a functionalized biological probe array. The processing method comprises the following specific steps: conducting silanization on the surfaces of matrix materials; conducting graft polymerization on a biological-contamination resistant monomer; conducting graft polymerization on a biological-contamination resistant and functionalized monomer; conducting the coupling reaction between the biological components and the array area. The array biological chip prepared from the processing method is greatly low in biomolecular nonspecific adsorption, high in probe molecular density and high in signal sensitivity.

The invention discloses a variable temperature infrared light dissociation spectrum device. The device includes a sample source, an ionizer, an ion guiding device, a quadrupole mass spectrometer, a deflector, a variable temperature ion trap, and a time-of-flight mass spectrometer. A sample enters the device from the sample source and is ionized by the ionizer, then the sample is ionized by the ionizer, the sample is subjected to guidance by the ion guiding device, spectrometry selection by the quadrupole mass spectrometer, the deflection of the deflector and the trapping and temperature changeby the variable temperature ion trap, and finally the infrared light dissociation and detection are carried out at the time-of-flight mass spectrometer. The wide-range temperature change (4-300K) process of an infrared light dissociation device ion trap can be realized by the variable temperature ion trap, and the effective detection of a gas phase low molecular density sample can be achieved bya whole set of variable temperature infrared light dissociation spectrum device.

The invention provides an organic compound, an electroluminescent material and application of the organic compound. The organic compound has a structure represented by formula I. Through the special design of a molecular structure and a substituent group, the organic compound has high triplet state energy level ET, high molecular density, high glass transition temperature and high molecular thermal stability, effectively improves the equilibrium migration of carriers, broadens an exciton recombination region, improves the light extraction efficiency, improves the luminous efficiency of an electroluminescent device and prolongs the service life of the electroluminescent device. The organic compound provided by the invention is highly suitable for being applied to a light-emitting layer of an OLED device, and the light-emitting efficiency, chromaticity and service life of the device can be remarkably improved.

The invention relates to a reflective near-ultraviolet cut-off diffusion film, which comprises a substrate and a near-ultraviolet cutoff diffusion layer fixedly arranged on a single surface of the substrate. The near-ultraviolet cutoff diffusion layer is formed by coating and fixing photonic crystal particles or microspheres and a polymer coating having a reflection function on the surface of thesubstrate. The diffusion film is assembled by utilizing a high-molecular structure; and through control of combination of different polymer monomers, initiator dosage and initiating conditions, molecular density gradient difference is formed, high-molecular polymer internal high-low refractive index difference is realized, high and low refractive index matching is realized, partial reflection in 400-450nm band is achieved and a near-ultraviolet cut-off function is realized. A preparation method of the film is cheap in price and simple in process, and only one layer of molecular coating needs to be coated on the surface of the substrate, thereby helping to realize industrialization. The prepared reflective near-ultraviolet cut-off diffusion film can be widely applied to a display screen orlighting near-ultraviolet cutoff, and can also be used for improving color gamut and light source intensity.

The invention discloses a material of a container for depositing a superhigh-purity reagent. According to the material provided by the invention, polyethylene with three molecular weights and a small quantity of polytetrafluoroethylene are selected as materials, and the materials include the following components by weight percent: 3-5% of low molecular weight polyethylene, 80-82% of common molecular weight polyethylene, 5-8% of high molecular weight polyethylene, 1-5% of superhigh molecular weight polyethylene and 2-9% of common molecular weight polytetrafluoroethylene; all materials are uniformly mixed and then are prepared into the plastic container through utilizing a plastic processing device and a plastic mould. The materials can extremely express the advantages of the polyethylene with different molecular weights and different molecular densities and also generate the different corrosion-resisting and anti-oxidizing effects. The plastic container which is manufactured by the material has the advantages of strong acid resistance, strong base resistance, strong oxidization resistance and good compatible performance; and physical performances and mechanical performances of the plastic container are better than those of the traditional common plastic container.

An object of the present invention is to provide a technique that can adjust a molecular density of the film of functional molecules (e.g. DNA molecules), which is utilized for biochips such as DNA chip, to a desired degree efficiently and easily. The method for producing a molecular film with an adjusted density according to the present invention includes forming a molecular film and adjusting a molecular density. In the forming a molecular film, a molecular film composed of molecules is formed on a conductive substrate, wherein the molecule includes a region capable of binding to the conductive substrate at least in a portion thereof. In the density adjusting, a molecular density of the molecular film is adjusted by desorbing a part of the molecules which make up the molecular film from the conductive substrate.

The invention relates to a nitrogen-doped diimide compound. The compound is provided with a structure as shown in Formula (I), wherein X<1>, X<2>, X<3> and X<4> are carbon or nitrogen atoms, and at least one is a nitrogen atom; L is a linker or linkers, and D is a donor or donors; m is the number of the linker(s) L, n is the number of the donor(s) D, m is 0, 1 or 2, and n is 1 or 2; R is preferredto be a substituted or unsubstituted C6-C40 aryl group, or a substituted or unsubstituted C5-C40 heteroaryl group; and L is preferred to be a substituted or unsubstituted C3-C20 heterocyclic group (groups), a substituted or unsubstituted C6-C40 aryl group (groups), or a substituted or unsubstituted C5-C40 heteroaryl group (groups). The nitrogen-doped diimide compound provided by the invention isused as a principal material or a CPL layer material of an electroluminescent device, achieves a higher triplet energy level E<T>, a larger molecular density, a higher glass transition temperature andhigher molecular heat stability, and can effectively improve balance migration of carriers, expand the exciton recombination domain, effectively improve the optical extraction efficiency, enhance thelight-emitting efficiency of the device, and prolong the service life of the device. The invention further provides an organic light-emitting display device.

The invention relates to a reflective near-ultraviolet cut-off protective film which comprises a high transparent thin film substrate, and the surface of the thin film substrate is coated with a near-ultraviolet cut-off coating. The near-ultraviolet cut-off coating is a high-molecular coating with a reflective function, and is assembled by utilizing a high molecular structure, different polymer monomer combinations, initiator dosages and initiation conditions are controlled, a molecular density gradient difference is formed, the high-low refractive index difference of the interior of the highmolecular polymer is realized, high-low refractive index matching is realized, partial reflection of a 400-450 nm waveband is achieved, and a near ultraviolet cut-off function is realized. The reflective near-ultraviolet cut-off protective film is simple in process and only needs to coat the surface of the thin film substrate with the high-molecular coating. The reflective near-ultraviolet cut-offprotective film has good transparency, high hardness, strong adhesion power and good processability, and is beneficial to realization of industrialization. The prepared thin film is widely used as screen protectors of 3C products. At the same time, a part of reflected near-ultraviolet light can also improve the color gamut and enhance the brightness of a product light source.

The invention relates to a space cleaning device with low power consumption. The space cleaning device comprises a shell with an opening at the top end, an air molecular density enhancer which sleevesthe side wall, close to the top end of the shell, of the shell, an electronic emitter arranged at the top end of the shell, and a pulse power supply and a free electronic energy regulator which are arranged in an inner cavity of the shell; the air molecular density enhancer is connected with a cathode of the pulse power supply; the electronic energy regulator is connected with an anode of the pulse power supply, and the electronic emitter is connected with the electronic energy regulator. According to the space cleaning device with low power consumption, based on a principle of electron collision and conduction, negative oxygen ions with the high concentration are formed through a method that a pulse power technology is adopted to produce the negative oxygen ion concentration difference,the content of the negative oxygen ions with small particle sizes in the air is increased, the small particle sized negative oxygen ions with the high concentration can be produced at low power, an air supplying device is not required, harmful substances such as ozone nitrogen oxides are not generated, radiation is avoided, the power of the space cleaning device is small, energy is saved, and thespace cleaning ability is greatly improved.

The invention provides an organic compound, an organic electroluminescent material and application thereof. The organic compound has a structure as shown in a formula I. Through the special design ofa mother nucleus structure and a substituent group, the organic compound has a high triplet state energy level ET, a large molecular density, a high glass transition temperature and high molecular thermal stability, effectively improves carrier balance migration, broadens an exciton recombination region, improves the light extraction efficiency and substantially improves the luminescence efficiency and service life of an electroluminescent device. The organic compound can be used in a light-emitting layer or an electron transport layer of an OLED device, is especially suitable for being applied to the light-emitting layer of the OLED device as a phosphorescent host material, can significantly improve the light-emitting efficiency and chromaticity of the device, reduces the turn-on voltageand energy consumption of the device, and prolongs the service life of the device.

The invention relates to a novel solid-color multi-coating composition layer which is characterized by sequentially comprising a UV (ultraviolet) bottom layer, a solid-color coating layer and a UV upper surface layer, wherein the primary pulp of the UV bottom layer is formed by adding mineral powder into UV coating primary pulp for uniform stirring; the solid-color coating layer is formed by adding alkyd resin with an adhesion infiltration effect into a solid-color coating. According to the novel solid-color multi-coating composition layer, the characteristic that another coating layer cannot be adhered to the surface of the UV coating primary pulp due to the fact that the molecular density of the UV coating primary pulp is increased (namely gaps between molecules are gradually reduced) in a drying process of the UV coating primary pulp is actually utilized, a physical principle is utilized, the mineral powder is added into the UV coating primary pulp, and the mineral ions of the mineral powder enter the molecular gaps of the UV coating primary pulp, so that the molecular density of the surface of the UV coating primary pulp is lower than that of a UV coating in the prior art after the UV coating primary pulp is dried, and the solid-color coating layer can be conveniently and smoothly arranged on the upper surface of the UV bottom layer.

An object of the present invention is to provide a technique that can adjust a molecular density of the film of functional molecules (e.g. DNA molecules), which is utilized for biochips such as DNA chip, to a desired degree efficiently and easily. The method for producing a molecular film with an adjusted density according to the present invention includes forming a molecular film and adjusting a molecular density. In the forming a molecular film, a molecular film composed of molecules is formed on a conductive substrate, wherein the molecule includes a region capable of binding to the conductive substrate at least in a portion thereof. In the density adjusting, a molecular density of the molecular film is adjusted by desorbing a part of the molecules which make up the molecular film from the conductive substrate.

The invention belongs to the technical field of mat rush for knitting, and particularly relates to a method for improving the dyeing fastness of the mat rush. The method comprises the following stepsof preparing a mixed solution, treating the mat rush with the mixed solution, preparing dyed materials and preparing braided raw materials. Compared with the prior art, the method has the advantagesthat the mixed solution can be used for modifying the mat rush, so that organic matters in the mat rush can be combined with the mixed solution; in the dyeing process, dye can be tightly attached to fibers through a capillary pore passage, so that the dyeing efficiency is improved; and an alkaline dyeing auxiliary agent is matched, and a protective film with the lubricating effect can be formed onthe surface of the mat rush, so that the reasonable regulation and control of the dyeing condition can be realized, the molecular density of the mat rush can be in a proper state, the dyeing frictionfastness of the mat rush is improved, and the dyeing requirement of the handicraft is met.

The invention discloses a preparation method of a film material with a spectrally selective reflection colorful coating, which comprises the steps of coating a spectrally selective colorful reflection coating on a corona surface of a high-transmittance optical-grade transparent PET film through MG, and evaporating excessive solvent on the coating surface through an oven by virtue of a conveying device, wherein the baking time is 30-60 seconds, and the coating surface passes through the conveying device and passes through a UV light curing machine to fix the screw pitch gradient so as to obtain the film material with the spectrally selective reflection colorful coating. The preparation process is simple, the used polymer monomer is polymerized into a cross-linked polymer network, and good thermal mechanical stability and good weather resistance are achieved. Compared with a multi-layer extrusion and coating process, the cost is reduced; the polymer monomer has several components, self-assembly of two or more molecules can be achieved, a molecular density gradient difference is formed, high and low refractive index matching in the same high polymer can be achieved through cross-linking of chiral molecules, accurate waveband reflection is achieved, and a colorful function is achieved.

The invention relates to the technical field of research on light hydrocarbon generation equipment and discloses a method for improving the surface stain resistance of a light hydrocarbon generation device. The method comprises the steps that firstly, the surface of a cavity of the generation device is deeply cleaned, and water-soluble and oil-soluble stains on the surface are removed; furthermoreoleic acid and kerosene are mixed according to a certain mass ratio, polyethylene polyamine is added, and a rheologically-permeable emulsion is prepared; and the molecular density of the metal surface can be increased due to the fact that the metal surface of the cavity is coated with a coating, meanwhile a basis is built for the stain-resistant painting coating, and the coating has the beneficial effects that the durability is extremely high, and continuous use can be achieved without polluting the cavity.