108results about How to "Shape specification" patented technology

The present invention provides ethylene polymer particles obtained by a solid phase method such as solid phase drawing molding and capable of providing a molded article with high strength. The ethylene polymer particles have an intrinsic viscosity [η] of 5 dl / g to 30 dl / g, a degree of crystallinity of as high as 80% or more, and a specific shape on the surface of the particles. The ethylene polymer particles can be obtained, for example, by carrying out polymerization of olefins including ethylene using an olefin polymerization catalyst containing a solid titanium catalyst component including magnesium, halogen and titanium under specific conditions.

Ferrous phosphate (II) (Fe3(PO4)2) powders, lithium iron phosphate (LiFePO4) powders for a Li-ion battery and methods for manufacturing the same are provided. The ferrous phosphate (II) powders are represented by the following formula (I):Fe(3-x)Mx(PO4)2.yH2O  (I)wherein, M, x, and y are defined in the specification, the ferrous phosphate (II) powders are composed of plural flake powders, and the length of each of the flake powders is 0.5-10 μm.

The invention relates to a generation method of quadrilateral grids of a geometric model with any internal feature constraints, which outstandingly enhances the generation quality and efficiency of the quadrilateral grids and has convenience and practicability. The generation method comprises the following steps of: (1.1) building an entitative geometric model according to an entity to be analyzed by utilizing a computer; and determining the shapes and the positions of constraint lines and density lines of the entitative geometric model, the positions of constraint points and density points and the range and the inner and outer boundaries of each region; (1.2) generating grid nodes on the inner and outer boundaries, the constraint lines and the density lines of the entitative geometric model according to grid size information set by a user, and numbering the grid nodes; viewing the constraint points and the density points as newly generated grid nodes, and numbering the newly generated grid nodes; (1.3) viewing the constraint lines, the density lines, the constraint points and the density points as internal cavities with areas of zero, generating node rings on the inner and outer boundaries of each region, and transforming a multiply connected region with the internal feature constraints into a simply connected region; (1.4) dividing the quadrilateral grids in each region; and finally generating the quadrilateral grids with the internal feature constraints.

The invention discloses a combined photographic cantilever pan tilt. The combined photographic cantilever pan tilt comprises a horizontal rotary bracket assembly and a vertical bracket assembly whichcan be separated and also can be combined into an L-shape bracket, wherein, a free end of the horizontal rotary bracket assembly is provided with a base and a vertical shaft sleeve which is axially and movably connected with the base, and a movable connecting part is provided with a locking apparatus; the horizontal rotary bracket assembly and the vertical bracket assembly are movably connected with each other and a movable connecting part is provided with a locking apparatus; and main parts of the various assemblies are rod-shaped. The pan tilt also can comprise a rotating arm assembly and acamera quick clamp assembly. Compared with the prior art, the combined photographic cantilever pan tilt is provided with various assemblies which are movably connected with each other, and use flexibility of the pan tilt can be improved and various parts can be detached from each other without tools by movably connected structures. As the assembly of each part has compact structure and regular shape, the various detached assemblies take up small space and have low packaging cost.

The invention discloses a preparation method of a cerium oxide hexagonal nanometer sheet structure. The method comprises the following steps that 1.4903 g of CeC13 7H2O is added to 10 mL of distilled water to be stirred and mixed to obtain solution a; 4.7430 g of urea is added to 15 mL of distilled water to be fully stirred for 15-20 min, the mixture is mixed with the solution a and fully stirred for 30-35 min, 10 mL of ethylene diamine is added and stirred for 30-35 min, then the mixture is moved to a 50 mL high temperature reaction kettle and reacts for 48 h under the temperature of 120-160 DEG C, after the reaction is over, water and alcohol are used for washing the mixture in an alternating mode for 3 times respectively, finally the mixture is annealed for 5 h under the temperature of 400 DEG C, and the cerium oxide hexagonal nanometer sheet structure is obtained. The produced nanometer cerium oxide is high in purity, standard in appearance, even in size, not prone to reunion and friendly to environment, macromolecule surfactants are not added, the raw materials are simple, and the preparation process and needed equipment are simple.

An integrally-formed shoulder tab mould is formed by a base plate, a cover plate, a clamping plate and a fixing piece; one side of the base plate is hinged to the cover plate which comprises the same structure with the base plate and the cover plate and the base plate are in mirror symmetry; the base plate is formed by a base plate positioning plate, a base plate backing plate, a base plate cover plate, a left base plate clamping plate and a right base plate clamping plate; the base plate backing plate is composited between the base plate positioning plate and the base plate cover plate; a base plate seam through groove which is adaptive to a shoulder tab in shape is formed in the middle of the base plate positioning plate; a base plate cover plate through groove is formed at a base plate cover plate position which is corresponding to the base plate seam through groove; the left base plate clamping plate and the right base plate clamping plate are arranged in a base plate clamping plate through groove in an embedded mode, wherein the base plate clamping plate through groove is formed between the base plate positioning plate and the base plate cover plate. According to the integrally-formed shoulder tab mould, the base plate, the cover plate, the clamping plate and the fixing piece are matched with each other and accordingly the integral forming is achieved and the technical problems that the machining mode is complicated, the positioning is inconvenient, and the requirements for the operation level of workers are high in the process of shoulder tab manufacture are fundamentally solved.

Ferrous (II) phosphate (Fe3(PO4)2) powders, lithium iron phosphate (LiFePO4) powders for a Li-ion battery and methods for manufacturing the same are provided. The lithium iron phosphate powders are represented by the following formula (II):LiFe(1-a)MaPO4  (II)wherein, M, and a are defined in the specification, the lithium iron phosphate powders are composed of plural flake powders, the length of each of the flake powders is 0.1-10 μm, and a ratio of the length and the thickness of each of the flake powder is in a range from 11 to 400.

The invention discloses a method for manufacturing a micro cantilever probe based on monocrystalline silicon (110), which belongs to the technical fields of micro-electro-mechanical systems (MEMS) and tests and is characterized by using a process of manufacturing the pinpoint of a silicon nitride micro cantilever probe based on the monocrystalline silicon (110). In the manufacturing process, the anisotropic corrosion self-stopping method of the monocrystalline silicon (110) is used. The method for manufacturing the micro cantilever probe based on the monocrystalline silicon (110) has the advantages that: a complete process flow can be accomplished by an MEMS processing technique, the influence of the anisotropic corrosion solution of the common monocrystalline silicon on the surface roughness of the monocrystalline silicon (110) is eliminated, the requirement on process equipment is low, and the micro cantilever probe can be produced in batches, so that product cost is lowered. The pinpoint of the silicon nitride nano-probe manufactured by the method has the advantages of very normative shape, high hardness, high abrasive resistance and the like. The cantilever probe manufactured by the method can be applied to an atomic force microscope (AFM) probe, a high-density memory device probe and a micro nano-processing device.

Ferrous (II) phosphate (Fe3(PO4)2) powders, lithium iron phosphate (LiFePO4) powders for a Li-ion battery and methods for manufacturing the same are provided. The lithium iron phosphate powders are represented by the following formula (II):LiFe(1-a)MaPO4   (II)wherein, M, and a are defined in the specification, the lithium iron phosphate powders are composed of plural flake powders, the length of each of the flake powders is 0.1-10 μm, and a ratio of the length and the thickness of each of the flake powder is in a range from 11 to 400.

The invention discloses a process for producing high magnetic ferroferric oxide by a galvanized pickle liquor. The process includes the steps of (1) directly reacting an iron containing pickle liquor produced by a galvanizing factory and an iron containing excess rust to consume a free acid; (2) filtering by a filter cloth with 800 meshes; (3) using a filter liquor containing ferrous chloride as a raw material, diluting, heating, stirring, neutralizing until potential of hydrogen (pH) of a system reaches to 5.0 to 10.0, then adding an auxiliary, using a nitrite as a catalyst, feeding air, and when the molar ratio between Fe3+ and Fe2+ in the system is in a range from 1.8 to 2.2, stopping reacting; (4) adding an alkaline liquor to control the pH of the system in a range from 10 to 12, performing a heat preservation, stirring, adding the auxiliary, placing naturally, performing a solid-liquid separation, and recycling the filter liquor; and (5) washing, drying, sieving and packaging to obtain the product. The process for producing the high magnetic ferroferric oxide by the galvanized pickle liquor has the advantages that the investment is small, the production costs are low, the efficiency is high, the product quality is good, the complete resource-recovering processing of an iron containing acid pickle can be achieved, and the like.

A lacrosse head pocket and a related method of manufacture are provided to facilitate consistent, repeatable and / or custom manufacture of lacrosse equipment. The pocket can be constructed from multiple different sections joined with one another, or can be knitted, weaved or otherwise assembled on an automated assembly machine from strands, and / or can be formed as a unitary textile material having regions / sections with different physical and / or mechanical properties. The pocket can be integrally molded within portions of a lacrosse head to eliminate manually constructed connections between the pocket and lacrosse head. The lacrosse head can be integrally molded with a lacrosse handle to provide a one-piece unitary lacrosse stick. The lacrosse pocket body can include one or more fused pocket areas. Related methods of manufacturing also are provided.

The invention discloses a two-well horizontal connected well group retreating solution mining / cavity-building method. The method comprises the following steps of (1) drilling a straight well and an inclined well to a target stratum separately, and then drilling a horizontal wellbore to connect the straight well and the inclined well; lowering a first central pipe into the straight well, and lowering a second central pipe into the inclined well and the horizontal well; and (2) carrying out solution mining / cavity-building in a sectioned mode. During each mining / cavity-building process, fresh water flows out from the second central pipe, a salt coating layer in the affected area above the second central pipe is fully dissolved, and therefore a created cavity has a large volume, no insoluble area exists, the problem that "a middle part is insoluble" in two-well and the horizontal well solution mining / cavity-building is avoided, and the cavity is basically in the shape of a regular oblate spheroid after the completion of the entire mining / cavity-building process. The retreating cavity-building method utilizes the characteristic of the salt rock water solution that "where is injected, where is dissolved", completes the cavity-building horizontally and sectionally, effectively improves the mining rate of the salt rock, expands the volume of the dissolved cavity, specifies the shape ofthe dissolved cavity and increases the space for later use of the cavity and safety performance of the storage, and the cavity can store more various kinds of media (oil, gas, waste, etc.) safely.

The invention is intended to provide an auxiliary pipe for Dioscorea opposita planting to regularize the shape of Dioscorea opposita so as to make it convenient for people to plant and dig Dioscorea opposita. The auxiliary pipe for Dioscorea opposita planting comprises a hard cylindrical pipe body, through holes are distributed evenly in the sidewall of the pipe body, the top end of the pipe body is opened, and the bottom end of the pipe body is provided with a conical driving portion. In Dioscorea opposita planting, the conical driving portion is used first to insert the auxiliary pipe for Dioscorea opposita planting underground, and soil and a seed tuber of Dioscorea opposita are placed in the pipe body. In growth of Dioscorea opposita, the through holes in the sidewall of the pipe body can admit air and water, hairy roots of Dioscorea opposita may also extend out of the pipe body from the through holes, it is convenient for Dioscorea opposita to absorb nutrition, the growth direction of Dioscorea opposita is constrained by the pipe body accordingly, Dioscorea opposita can only grow vertically down, and the condition of Dioscorea opposita is improved; in digging of Dioscorea opposita, digging may be finished very easily with less effort just by pulling out both the auxiliary pipe and Dioscorea opposita therein.

A lacrosse head pocket and a related method of manufacture are provided to facilitate consistent, repeatable and / or custom manufacture of lacrosse equipment. The pocket can be constructed from multiple different sections joined with one another, or can be knitted, weaved or otherwise assembled on an automated assembly machine from strands, and / or can be formed as a unitary textile material having regions / sections with different physical and / or mechanical properties. The pocket can be integrally molded within portions of a lacrosse head to eliminate manually constructed connections between the pocket and lacrosse head. The lacrosse head can be integrally molded with a lacrosse handle to provide a one-piece unitary lacrosse stick. Related methods of manufacturing also are provided.

The invention discloses a hand-written character input method, which comprises: A, ,performing feature selection on prestored character classes and calculating a template in coarse classification; B, performing feature transformation on the prestored character classes and calculating a template in fine classification; C, acquiring a discrete coordinate sequence of a track point of an input character and adopting a smooth continuous function to adjust the size and shape of the hand-written input character and a centrobaric coordinate value; D, extracting feature to obtain a multidimensional feature vector of the hand-written character; E, selecting partial feature value of the hand-written input character, matching the hand-written input character with the template in coarse classification respectively, and selecting a plurality of candidate character classes with the maximum similarity; and F, performing feature transformation on the hand-written input character, matching the hand-written input character with the sample center of the candidate character classes selected from the template in fine classification, and determining the most similar character classes. The invention also discloses a hand-written character input system. The invention has higher speed of identifying the hand-written input character, and higher identification accuracy.

A high performance compound reflector and cooling system for use with a projection system having a lamp for emitting light, an ellipsoid reflector for capturing said light from a first focal point of the ellipsoid reflector and focusing said light at a second focal point co-incident with an integrator rod, and a spherical reflector for retro-reflecting light through the first focal point for reflection by said ellipsoid reflector to said second focal point. The shape of the ellipsoid reflector according to the present invention allows the spherical element to have a larger diameter at the interface between the ellipsoid and sphere. This provides a location for an air deflector in a shape similar to the back of the ellipsoid for channeling air over and outside of the ellipsoid and then along the inside of the sphere. The design of the reflector and air deflector allow cooling requirements to be substantially reduced.

The present invention provides an Ag or Ni conductive powder, which can show the high conductivity even in condition that a resin is included and can has the narrow particle size distribution, and a conductive composition using the same, and a producing method of the same. In such an Ag or Ni conductive powder, a conductive composition and a producing method of the conductive powder, the conductive powder having a convex radially extended and a concave, wherein a core material which is at least one particle selected from the group consisting of an organic type particle, a metal type particle and a ceramic type particle is included into the conductive powder.

The invention discloses a thermal perforating device for a plastic film. The thermal perforating device for the plastic film comprises a needle roll, a rubber roll and film supporting rolls, wherein the needle roll is a hollow roll; a plurality of needle components are arranged on the surface of the needle roll in the radial direction; a heating assembly is arranged inside the needle roll; heat is conducted to the needle components; the rubber roll is opposite to the needle roll; and the rubber roll and the film supporting rolls form a plastic film winding and conveying system. An unwinding device and a winding device are respectively arranged in the front and at the rear of the perforating device, the unwinding device is provided with a complete plastic film unwinding roll, a complete plastic film is fed into the perforating device and passes through space between the rubber roll and the needle roll of the perforating device, hot melting perforating is realized by the heated needle components on the needle roll, the winding device is provided with a perforated plastic film winding roll, and the plastic film which is perforated by the perforating device is wound on the winding roll. The thermal perforating device for the plastic film is simple in structure and easy to operate, a perforating density adjustment range is large, the plastic film is perforated by hot melting, penetration rate of holes is high, the film is not pulled during perforating, and therefore, the physical properties of the film are not affected.

A lacrosse head pocket and a related method of manufacture are provided to facilitate consistent, repeatable and / or custom manufacture of lacrosse equipment. The pocket can be constructed from multiple different sections joined with one another, or can be knitted, weaved or otherwise assembled on an automated assembly machine from strands, and / or can be formed as a unitary textile material having regions / sections with different physical and / or mechanical properties. The pocket can be integrally molded within portions of a lacrosse head to eliminate manually constructed connections between the pocket and lacrosse head. The lacrosse head can be integrally molded with a lacrosse handle to provide a one-piece unitary lacrosse stick. Related methods of manufacturing also are provided.

A water-absorbent sheet comprising a structure comprising at least an absorbent layer containing a water-absorbent resin, sandwiched between two or more sheets of a hydrophilic nonwoven fabric, wherein the water-absorbent sheet is subjected to wavy embossing 2 and linear embossing 4, wherein a branched structure formed by the wavy embossing 2 and the linear embossing 4 has an approximate Y-shape-form, and wherein the edge portion contouring along the longitudinal direction of the water-absorbent sheet 1 comprises non-embossing regions W2 and W2′, and further wherein an areal percentage of embossment provided on the water-absorbent sheet 1 is from 3 to 25% of an entire area of the water-absorbent sheet 1. According to the present invention, effects are exhibited that a water-absorbent sheet that has a fast permeation rate of a liquid but does not cause a liquid leakage can be provided by subjecting the water-absorbent sheet to a specified embossing shape, even for a water-absorbent sheet containing a very small amount of pulps.

A high performance compound reflector and cooling system for use with a projection system having a lamp for emitting light, an ellipsoid reflector for capturing said light from a first focal point of the ellipsoid reflector and focusing said light at a second focal point co-incident with an integrator rod, and a spherical reflector for retro-reflecting light through the first focal point for reflection by said ellipsoid retractor to said second focal point. The shape of the ellipsoid reflector according to the present invention allows the spherical element to have a larger diameter at the interface between the ellipsoid and sphere. This provides a location for an air deflector in a shape similar to the back of the ellipsoid for channeling air over and outside of the ellipsoid and than along tho inside of the sphere. The design of the reflector and air deflector allow cooling requirements to be substantially reduced.

A lacrosse head pocket and a related method of manufacture are provided to facilitate consistent, repeatable and / or custom manufacture of lacrosse equipment. The pocket can be knitted, weaved or otherwise assembled on an automated assembly machine from strands, and / or can be formed as a unitary textile material having regions / sections with different physical and / or mechanical properties. The pocket can be integrally molded within portions of a lacrosse head to eliminate manually constructed connections between the pocket and lacrosse head. The pocket can include a perimeter flange constructed from special materials and / or a perimeter flange including intermittent voids along an outer edge so that the perimeter flange stretches when the pocket is in a loaded state with the lacrosse ball therein, thereby providing dampening to the pocket when a lacrosse ball exerts force upon the pocket in the loaded state.

The invention discloses a method for obtaining a character matching template, which comprises the following steps: A, acquiring a handwritten character sample of a character class; B, calculating a discrete coordinate sequence; C, adjusting the size and shape of the handwritten character sample and a coordinate value of a gravity center to obtain a regular coordinate sequence of the handwritten character sample; D, carrying out characteristic extraction to acquire a multi-dimensional characteristic vector of the handwritten character sample; E, selecting partial characteristic value from the multi-dimensional characteristic vector of the sample of the character class, and calculating a sample center of each character class to obtain a rough sorted template; and F, calculating a characteristic transformation matrix according to the Fisher criteria, carrying out characteristic transformation for the multi-dimensional characteristic vector of the sample of the character class, recalculating the sample center of each character class, and then carrying out iteration regulation to obtain a fine sorted template. The invention also discloses a system for obtaining the character matching template. The rough sorted template and the fine sorted template obtained by the method improve the accuracy of handwritten character recognition.

A production method of the present invention includes: a process of bringing a solution 12 and a second solvent 13 into contact with each other so that a liquid-liquid interface 14 is formed therebetween, where the solution 12 includes a first solvent containing a benzene derivative (A) whose content is at least 50 wt. % and fullerene dissolved in the first solvent, and the second solvent 13 has a lower solubility of the fullerene than that of the first solvent; and a process of allowing the solution 12 and the second solvent 13 to be mixed together through counter diffusion of the solution 12 and the second solvent 13 to deposit crystals of the fullerene. The benzene derivative (A) is at least one benzene derivative selected from the group consisting of a benzene derivative in which at least two hydrogen atoms of a benzene ring have been substituted, halogenated benzene, and alkoxybenzene.

A lacrosse head pocket and a related method of manufacture are provided to facilitate consistent, repeatable and / or custom manufacture of lacrosse equipment. The pocket can be constructed from multiple different sections joined with one another, or can be knitted, weaved or otherwise assembled on an automated assembly machine from strands, and / or can be formed as a unitary textile material having regions / sections with different physical and / or mechanical properties. The pocket can be integrally molded within portions of a lacrosse head to eliminate manually constructed connections between the pocket and lacrosse head. The lacrosse head can be integrally molded with a lacrosse handle to provide a one-piece unitary lacrosse stick. Related methods of manufacturing also are provided.

A lacrosse head pocket and a related method of manufacture are provided to facilitate consistent, repeatable and / or custom manufacture of lacrosse equipment. The pocket can be constructed from multiple different sections joined with one another, or can be knitted, weaved or otherwise assembled on an automated assembly machine from strands, and / or can be formed as a unitary textile material having regions / sections with different physical and / or mechanical properties. The pocket can be integrally molded within portions of a lacrosse head to eliminate manually constructed connections between the pocket and lacrosse head. The lacrosse head can be integrally molded with a lacrosse handle to provide a one-piece unitary lacrosse stick. Related methods of manufacturing also are provided.