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.

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 front 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 a heating device for heating the ion collector.

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.

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.

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 present invention relates to a method for adjusting temperature by increasing gas molecular density. The method includes: filling a chamber with at least one gas to a predetermined pressure, wherein the predetermined pressure is higher than 1 atm and lower than or equal to 50 atm; flowing the gas in the chamber to a temperature adjusting device, wherein the temperature adjusting device includes a cooler and a gas returning device; cooling the gas by the cooler; and returning the gas to the chamber by the gas returning device.

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 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.

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 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.