56 results about "Cell dimension" patented technology

A catalytic composition for hydrotreating of hydrocarbons in which a metallic component for hydrogenation is carried on a carrier comprising zeolite Y with aluminum and titanium inserted therein and a porous inorganic oxide, the zeolite Y having the following characteristics: (a) unit cell dimension (UD) in a range from 24.25 to 24.60 Å, (b) crystallinity of 95% or more, (c) specific surface area (SA) of 500 m2 / g or more, (d) total pore volume (PVt) of a group of pores each having a diameter of 600 Å or below in a range from 0.45 to 0.70 ml / g, (e) pore volume (PVm) of a group of pores each having a diameter in a range from 100 to 600 Å in a range from 0.10 to 0.40 ml / g, (f) pore volume (PVs) of a group of pores each having a diameter in a range from 35 to 50 Å in a range 0.03 to 0.15 ml / g, and (g) percentage of 4-coordinate aluminum atoms against total aluminum atoms in the zeolite of 60 atom % or more.

The invention relates to an uncertainty analysis method for predicting the performance of a periodic material. The method first utilizes a theory to derive and design a mesoscopic microstructure cell loading boundary condition, and proves that the equivalent performance obtained by finite element simulation calculation can represent the equivalent performance of the whole material under the condition. During the process of obtaining an equivalent elasticity modulus of the material by analyzing a typical micro unit cell scale configuration of the material, the invention takes full consideration of the uncertainty of cell dimension and base material performance and analyzes propagation of the uncertainty in the macroscopic and mesoscopic equivalent processes to obtain the actual fluctuation range of the performance of the material and to ensure security of the results.

The invention provides a method and system for freely laying out a video display window. The method comprises the following steps: the system provides a setting page for the user using video display equipment to set the parameters related to the sizes of cells, provides a cell array for the user to select the cells based on the related parameters and the size of the image display area of the display equipment, combines the selected cells into a display subarea based on selection of partial interconnected cells in the cell array by the user, further segments the display area into a plurality of display subareas, and displays images based on the plurality of display subareas. By adopting the method and the system, the layout of various video display windows can be implemented, thus meeting the individual demand of the user.

Methods, systems and apparatuses of ultra-miniature, ultra-compliant probe arrays that allows for design flexibility to match the stiffness of the tissue it is being applied to, such as the brain tissue, in all three axes (x, y and z), with interconnect cross section smaller than cell dimensions. Stiffness matching requires specific geometric and fabrication approaches, commonly leading to ultra-thin probe wires. Sizing of the electrodes for specific cell dimensions reduces glial formation. Further reduction in stiffness is obtained by incorporating different geometric features to the electrode, such as meandering the electrode wires. The small thickness and geometric features of the wires commonly result in very high compliance. To enable effective insertion of the probes to the tissue, the present invention uses stiff biodisolvable and / or biodegradable polymers, including single use or combinations of carboxymethyl cellulose, polyvinylpyrrolidone, polyvinyl alcohol, maltose, other sugar molecules, polylactic acid and its co-polymers.

There is provided a crystalline chemical composition comprising a compound of formula (I) in which the crystal lattice is stabilized by the presence of a guest molecule, characterized in the crystalline composition is of space group P212121 having unit cell dimensions of about 7.6±0.6 Å, 12.7±0.7 Å, and 33±3 Å when determined at 120 K.

The invention provides lithiated molybdenum oxides useful as cathode (positive electrode) active materials in rechargeable batteries, especially in lithium ion rechargeable batteries. In one aspect, the invention provides lithiated molybdenum oxides, some of which can be represented by nominal formulas LixMoO2 where x ranges from 0.1 to 2, and Li4Mo3O8. The crystal structure of the lithiated molybdenum oxides of the invention is characterized as being in a hexagonal space group with unit cell dimensions in a determined range. In a preferred embodiment, the lithiated molybdenum oxides of the invention can be formulated with known materials to provide electrodes for electrochemical cells. The invention also provides rechargeable batteries made by combining one or more such electrochemical cells.

The invention discloses a PET foam product and a preparation method thereof. The method comprises the following steps: 1, uniformly mixing raw material components comprising 985-995 parts of physically recovered PET bottle sheets, 1-9 parts of a chain extender, 1-3 parts of an antioxidant and 1-3 parts of a heat stabilizer, wherein the chain extender is obtained through compounding a chain extending monomer containing three function groups with a chain extending monomer containing 4-6 function groups according to a mass ratio of1:3-5:1; 2, carrying out melt extrusion granulation; 3, carrying out solid condensation polymerization on a material in obtained in step 2 at 210-230DEG C under a vacuum degree of 5-100Pa for 1-5h; and 4, foaming PET resin to obtain the PET foam product. The PET foam product has the advantages of uniform cell dimensions, wide application field and low cost of the raw materials; and the preparation method has the advantages of simple process, low energy consumption, small pollution, and industrial production benefiting.

A wafer alkaline cell of a laminar structure is disclosed. The cell has a pair of opposing sides comprising at least the majority of the boundary surface of said cell. The opposing sides define a short cell dimension therebetween. The cell comprises an anode assembly and a cathode assembly bonded together to form a laminate structure. The cell comprises a single frame or two separate frames housing the anode and cathode material. The anode assembly has an anode material therein typically comprising zinc and the cathode assembly has a cathode material therein typically comprising manganese dioxide. The cell is durable and preferably rigid, has elongated leak block paths, and resists electrolyte leakage.

A beam exposure writing strategy method and system are disclosed for exposing a desired pattern on a substrate, by raster scanning a beam such as a particle beam, across a major field on the substrate. The beam is also vector scanned across a minor field of the substrate superimposed along the major field raster scan. The beam is selectively blanked and unblanked as the beam is being scanned. The unblanked flashes of the beam are modulated in coordination with the raster and vector scanning to expose the desired pattern on the substrate. The disclosed system and method generating an adjustable length microvector having a maximum range of at least about N time a nominal length λ, where N is equal to four and λ is substantially equal to a dimension of a nominal flash area, the nominal flash location dimension being substantially greater than a major field cell dimension.

A catalytic composition for hydrotreating of hydrocarbons is made in which a metallic component for hydrogenation is carried on a carrier formed of zeolite Y with aluminum and titanium inserted therein and a porous inorganic oxide. The zeolite Y has: unit cell dimension in a range from 24.25 to 24.60 Å, crystallinity of 95% or more, specific surface area of 500 m2 / g or more, total pore volume of a group of pores each having a diameter of 600 Å or below in a range from 0.45 to 0.70 ml / g, pore volume of a group of pores each having a diameter in a range from 100 to 600 Å in a range from 0.10 to 0.40 ml / g, and pore volume of a group of pores each having a diameter in a range from 35 to 50 Å in a range 0.03 to 0.15 ml / g.

The invention discloses a micro-foamed plylactic acid material and a preparation method thereof. The disadvantages of high application cost, poor toughness, small quantity of molecular branched chains, unstable processing, easy molecular chain fracture, low melt viscosity and strength, and unfavourable foaming molding of polylactic acid are overcome in the invention. The method comprises the following steps: preparing a dibenzoyl peroxide tackified polydactyl acid / poly(butylene succinate) composite material through a melt blending technology, preparing a sample through compression molding, swelling the sample with supercritical carbon dioxide as a foaming agent, and rapidly releasing pressure to obtain the micro-foamed plylactic acid material. The preparation method has the advantages of low temperature foaming, high speed pressure relief, simple foaming process and short time, and the micro-foamed plylactic acid material prepared in the invention has the advantages of uniform cell dimension, large cell density and small material density.

The invention relates to a preparation method of a TiAl-based alloy with a fine fully lamellar microstructure, which belongs to the technical field of preparation of titanium alloys. The preparation method comprises the following steps: placing a powder metallurgic TiAl-based alloy at a temperature which is 5 DEG C-15 DEG C higher than the alpha-phase beta-phase transformation temperature Talpha; and preserving the heat for 15-25 minutes under a protective environment, and cooling to obtain the TiAl-based alloy with the fine fully lamellar microstructure, wherein the powder metallurgic TiAl-based alloy matrix structure is a nearly gamma structure or a gamma structure. According to the preparation method of the TiAl-based alloy with the fine fully lamellar microstructure disclosed by the invention, the fully lamellar microstructure with eutectic cell dimension of 150 microns-320 microns and lamellar spacing of 0.2 micron-0.4 micron can be obtained by a simple thermal treatment method. Moreover, the preparation method is free of hot mechanical treatment, simple in process and low in cost, so that not only can structure optimization be carried out before alloy forming, but also treatment can be directly carried out onto a formed piece. Besides, the preparation method has the advantages of being capable of controlling the microscopic structure of the alloy, simple in production process, regular in used equipment, low in production cost and the like, and is convenient for industrial production.

The invention provides an X-ray crystal structure of the 30S ribosome, obtained from Thermus thermophilus 30S subunit, having a tetragonal space group P41212 with unit cell dimensions of a=401.4±4.0 Å, b=401.4±4.0 Å, c=175.9±5.0 Å. An advantageous feature of the structure is that it diffracts beyond 3 Å resolution. The invention also provides a crystal of 30S having the three dimensional atomic coordinates of the 30S ribosome, the coordinates being provided in Tables 1A and 1B. The data may be used for the rational design and modelling of inhibitors for the 30S ribosome, which have potential use as antibiotics.

The invention provides an IGBT device and a fabrication method thereof. A composite gate structure is adopted by the IGBT device; the composite gate structure comprises a plane gate and a trench gate; the plane gate is formed on the front surface of a semiconductor substrate; the trench gate is formed in the front surface of the semiconductor substrate; and the trench gate can increase an effective length of a gate of the IGBT device, so that the target of achieving an electron injection enhancement effect can be achieved under the condition of reducing the length of the plane gate and reducing the cell dimension. Furthermore, according to the IGBT device, an auxiliary trench gate is added to a P well region, so that holes can be accumulated at the bottom part and the side walls of the auxiliary trench gate; and the electron injection enhancement effect at the lower part of the P well region is strengthened. Meanwhile, the auxiliary trench gate is electrically connected with an emitter metal electrode, so that the capacitance between an emitter and a collector of the IGBT device can be effectively improved; and the stability of the device is improved.

The invention discloses a thermally-expandable solid epoxy resin microcellular foam material and a preparation method thereof. The foam material is prepared from, by weight, 40-80 parts of solid epoxy resin, 30-50 parts of a curing agent, 3-10 parts of inorganic particles, 0.05-5 parts of a chemical foaming agent, 1-15 parts of a toughening agent and 1-10 parts of reinforced fibers. In the preparation process, a composition is put into a hot press and compacted at the pressure of 10-25 MPa; the composition is put into a foaming mould with a foaming space reserved and subjected to foaming forming for 2-4 h at 90-160 DEG C; then, the temperature is increased to 180-200 DEG C, treatment is carried out for 3 h, and demoulding is carried out after cooling. The foam material has excellent physical and mechanical properties and is easy to process, convenient to store and convey and uniform and regular in cell structure after expansion, and the problems that a solid thermally-expandable material prepared through an existing method is large in cell dimension, difficult to form and process and inconvenient to store are effectively solved.

The invention discloses a micro-regional public security early-warning method based on a mobile communication terminal. The method comprises the steps of S1), carrying out data collection in a mobile communication signal system, and extracting and screening telephone bills with cell information; S2), carrying out convergence on the screened telephone bills according to different statistic time particles, and associating the converged telephone bills with user dimension tables and cell dimension tables, thereby forming a user cell output wide table; S3), outputting a micro-regional stable coefficient of a selected cell according to attribute proportion weights of users based on the user cell output wide table; and S4), carrying out regional public security early-warning if the micro-regional stable coefficient is greater than a preset threshold value. According to the method, the user signal data generated by the mobile communication terminal can be applied to intelligence collection of a regional public security early-warning mechanism. A quantifiable decision reference for public security intensity is provided through the regional stable coefficient and crowd flow distribution, and the police strength employment precision is supported.

The invention provides a random access resource indication method, a random access method, a base station, a terminal and a device. The method comprises the following steps: sending random access resource allocation information comprising a resource mapping indication domain to a terminal, wherein the resource mapping indication domain is used for indicating the position of a special random accessresource allocated to the terminal in at least one random access resource configuration, the random access resource configuration comprises at least one of the following types: random access resourceconfiguration based on a BWP dimension, random access resource configuration based on a beam direction dimension, random access resource configuration based on an uplink carrier dimension and randomaccess resource configuration based on a cell dimension. In the embodiment of the invention, the resource mapping indication domain can indicate the positions of the special random access resources distributed to the terminal in a plurality of random access resource configurations, so that the purpose that the base station can distribute non-competitive random access resources for different beamsor different carriers or different BWPs or different cells at the same time is realized.

The invention provides an X-ray crystal structure of the 30S ribosome, obtained from Thermus thermophilus 30S subunit, having a tetragonal space group P41212 with unit cell dimensions of a=401.4±4.0 Å, b=401.4±4.0 Å, c=175.9±5.0 Å. An advantageous feature of the structure is that it diffracts beyond 3 Å resolution. The invention also provides a crystal of 30S having the three dimensional atomic coordinates of the 30S ribosome, the coordinates being provided in Tables 1A and 1B. The data may be used for the rational design and modelling of inhibitors for the 30S ribosome, which have potential use as antibiotics.

The invention discloses a computation method for obtaining a high-fidelity resonating group constant of a nuclear reactor. According to the method, a background section of target resonating nuclides on a target energy group is obtained based on high-efficiency iterative computation of an ESSM method, equivalent lattice cell dimensions are obtained according to the background section obtained after heterogeneous resonance integral table fitting and a lattice cell dimension relation formula, the geometry, materials and temperature of fuel, jackets, etc. are kept unchanged, and equivalent 2-D lattice cells are established; and a neutron moderation equation for a relevant superfine group is solved to obtain the high-fidelity resonating group constant. Compared with a non-deterministic theory method, computation efficiency can be remarkably improved, and economical efficiency is improved; meanwhile, compared with a method based on directly solving a problem-related moderation equation, collision probability computing time can be remarkably shortened, computation efficiency is improved, and meanwhile the defect of huge storage capacity is avoided; compared with a resonance computation method based on a resonance integral table, resonant interference, spatial self-shielding and a temperature distribution effect can be precisely treated by solving the neutron moderation equation of the 2-D lattice cells, and the high-fidelity resonating group constant of fine distribution in each part of fuel is obtained.

The present invention relates to a crystal structure of G-quadruplexes and its use. The invention provides a crystal of an intramolecular G-quadruplex structure having a hexagonal space group P6, and unit cell dimensions a=b=56.7 and c=42.1; α=β=90°, γ=120° and a crystal of G-quadruplex having the three dimensional atomic coordinates of Table 1 or Table 2. These structures may be used in a computer-based method for the analysis of the interaction of a molecular structure with a G-quadruplex.

The invention provides a hot-pressing formation control method for lithium-ion batteries. The hot-pressing formation control method comprises the following steps: cell dimensions, working section atmospheric pressure values and working section temperature values of multiple sections are stored; formation clamps are arranged in a formation working chamber and operate in a stepping manner downwards along the formation working chamber; pressure devices and heating devices corresponding to operation control parameters are arranged, the pressure devices apply pressure to cells and regulate the working section atmospheric pressure values of the sections, and the heating devices heat the cells and regulate the working section temperature values of the sections; two formation clamps are arranged in the formation working chamber in parallel, and the parameter devices and the formation clamps operate independently. Automatic section-by-section heating control and pressure application can be realized, the two clamps perform control and operation independently and have functions of data connection, communication, protection and inner tank air exhaustion, and each air exhausting heat sink can assist in operation of the corresponding smoke alarm and eliminates heat in equipment through exhausting, so that the cells are taken out conveniently.

The invention discloses an epitaxial layer structure of a metal-oxide channel semiconductor field effect transistor. The metal-oxide channel semiconductor field effect transistor is provided with an epitaxial layer structure, a gate, a substrate and a channel; a direction along the substrate towards the gate is defined as an extension direction; and the doping concentration of the epitaxial layerstructure is gradually increased and then gradually decreased in the extension direction. By virtue of the epitaxial layer structure, the voltage withstand performance of a metal-oxide channel semiconductor field effect transistor device can be improved, the on resistance can be lowered and reliability can be reinforced, so that the channel density of the metal-oxide channel semiconductor field effect transistor device is further improved and the unit cell dimension is reduced.

A wafer alkaline cell of a laminar structure is disclosed. The cell has a pair of opposing sides comprising at least the majority of the boundary surface of said cell. The opposing sides define a short cell dimension therebetween. The cell comprises an anode assembly and a cathode assembly bonded together to form a laminate structure. The cell comprises a single frame or two separate frames housing the anode and cathode material. The anode assembly has an anode material therein typically comprising zinc and the cathode assembly has a cathode material therein typically comprising manganese dioxide. The cell is durable and preferably rigid, has elongated leak block paths, and resists electrolyte leakage.

Methods, systems and apparatuses of ultra-miniature, ultra-compliant probe arrays that allows for design flexibility to match the stiffness of the tissue it is being applied to, such as the brain tissue, in all three axes (x, y and z), with interconnect cross section smaller than cell dimensions. Stiffness matching requires specific geometric and fabrication approaches, commonly leading to ultra-thin probe wires. Sizing of the electrodes for specific cell dimensions reduces glial formation. Further reduction in stiffness is obtained by incorporating different geometric features to the electrode, such as meandering the electrode wires. The small thickness and geometric features of the wires commonly result in very high compliance. To enable effective insertion of the probes to the tissue, the present invention uses stiff biodisolvable and / or biodegradable polymers, including single use or combinations of carboxymethyl cellulose, polyvinylpyrrolidone, polyvinyl alcohol, maltose, other sugar molecules, polylactic acid and its co-polymers.

Methods, systems and apparatuses of ultra-miniature, ultra-compliant probe arrays that allows for design flexibility to match the stiffness of the tissue it is being applied to, such as the brain tissue, in all three axes (x, y and z), with interconnect cross section smaller than cell dimensions. Stiffness matching requires specific geometric and fabrication approaches, commonly leading to ultra-thin probe wires. Sizing of the electrodes for specific cell dimensions reduces glial formation. Further reduction in stiffness is obtained by incorporating different geometric features to the electrode, such as meandering the electrode wires. The small thickness and geometric features of the wires commonly result in very high compliance. To enable effective insertion of the probes to the tissue, the present invention uses stiff biodisolvable and / or biodegradable polymers, including single use or combinations of carboxymethyl cellulose, polyvinylpyrrolidone, polyvinyl alcohol, maltose, other sugar molecules, polylactic acid and its co-polymers.

The invention relates to a structure adhesive steel-to-steel tensile shear strength sample preparation method. The structure adhesive steel-to-steel tensile shear strength sample preparation method comprises the following steps: performing surface wetting on steel sheets subjected to sand blasting treatment, wherein a steel wire is placed on one steel sheet, a steel wire is not placed on the othersteel sheet, and the surface is subjected to gluing treatment; placing a horizontal plate well; sequentially placing tables, completely covering the tables with transparent plastic sheet membranes, and fitting the two steel sheets subjected to different treatment according to the size of table cells of the tables; enabling the two steel sheets to be vertical and align with the horizontal plate, clamping the two ends of the overlapped steel sheets by a clamping tool, guaranteeing the positions of the two steel sheets not to be changed, maintaining the test sample under the environment of 23 DEG C for 24 hours, detaching the clamping tool and performing conventional maintenance. By the sample preparation method, the limitation of a specific complex tool can cast off, and accurate sample preparation under the condition of no tools can be realized. The tool is simple and easily available; the limitation that the work sample preparation cannot realize mass continuous sample preparation issolved; and by the method, continuous unlimited sample preparation can be realized.

The invention relates to a dihydropyridine calcium antagonist co-crystal and a preparation method and application thereof. The molecular formula of the co-crystal is (C20H25ClN2O5).(C6H5COOH).(Y)n, wherein Y is any one of water molecule, ethanol molecule or isopropanol molecule, n is greater than or equal to 0 and less than or equal to 3, the co-crystal is crystallized in a triclinic crystal system and a P1 chiral space group, the unit cell dimensions are that alpha=97.1-97.5 degrees, beta=92.2-92.6 degrees, and gamma=111.5-112.1 degrees. According to the dihydropyridine calcium antagonist co-crystal and the preparation method and application thereof, the solubility and stability of an existing levamlodipine co-crystal crystal form are improved, and potentially, improvement of tablet stability of antihypertensive drugs and improvement of bioavailability in large-scale tablet production are facilitated.