995results about How to "Unique shape" patented technology

Breed-specific dog food formulations that comprise chicken meat as the major ingredient, rice as the predominant (or sole) grain source, fruit and / or vegetable fiber as the primary or sole fiber source, unique fat and antioxidant blend, vitamins, herbs and spices, carotenoids, and no corn or artificial colors, preservatives, flavors or sugars are provided.

A portable electrochemical power supply for handheld electronic devices, such as cellular telephones, is disclosed. The power supply includes a housing with an electrical connector, a circuit board, and a removable electrochemical cell disposed therein. The circuit board carries power supply circuitry which receives electrical energy from the electrochemical cell and provides a power supply output for powering an external device.

A three-layer asphalt composition shingle where the top layer is of a full width, a middle layer is less than the full width, and a bottom layer has a width shorter than the middle layer. The middle and top layers of the shingle have tabs and cutouts. The tabs of each such layer generally differ in some feature. Moreover, the corresponding tabs between the middle layer and top layer also differ with respect to some feature, such as a lengthwise size, a widthwise size, shape or in color. Each of the three layers includes color zones, and often plural color zones. The different tab features and the different color features of the various layers provide a high degree of randomness to enhance a visual appearance to a roof shingled with such type of shingles.

The invention relates to a graphene / mesoporous titanium dioxide visible light catalyst and a preparation method, and belongs to the technical fields of nanometer composite materials and photocatalysis. The method comprises the following steps of: adding a graphene oxide into glacial acetic acid, and performing ultrasonic dispersion to obtain dispersion liquid of the graphene oxide; and adding a titanium source into the dispersion liquid of the graphene oxide, and preparing the graphene / mesoporous titanium dioxide nanometer composite visible light catalyst in a one-step in-situ form by a hydrothermal method. The graphene / mesoporous titanium dioxide visible light catalyst has the advantages of readily available raw materials and low cost, the preparation process is simple and convenient, and titanium dioxide in the obtained nanometer composite material has a nanometer poroid structure, a regular size and a special appearance; and titanium dioxide nanometer granules can be distributed onthe surface of graphene and are high in dispersity. Photocatalytic degradation experiments indicate that the graphene / mesoporous titanium dioxide nanometer composite light catalyst has a good photocatalytic degradation effect on rhodamine B under the irradiation of visible light, and is an ideal nanometer composite visible light catalyst.

The invention provides a novel biped humanoid robot system based on pneumatic artificial muscles, belongs to the technical field of robots, and in particular relates to a biped robot having powerful athletic ability and flexible humanoid characteristics. The biped humanoid robot system comprises a mechanical body and an electrical control system; the biped humanoid robot system is characterized in that the mechanical body is mainly composed of seven parts, namely a waist, a hip joint, thighs, knee joints, shanks, feet and the like, and has 13 degrees of freedom in total; in the 13 degrees of freedom, 3 degrees of freedom of the waist are realized by virtue of the cooperation of four pneumatic muscles and the waist spine, and the single degree of freedom of each of the hip joint, the knee joints and the ankle joints is realized by use of one pneumatic muscle and one spring which are pulled to each other to produce opposed rotating force. According to the design of the novel biped humanoid robot system, a control platform is provided; the system relates to the fields of control science and intelligent control in addition to robotics, and is capable of meeting the requirements of scientific research and teaching of a plurality of disciplines.

A dental dog chew roll is cut from a flavored and colored hide piece. The hide pieced is rolled to form into a cylindrical body with two ends, with strips of the hide extending from the cylindrical body. Optionally, cuts are made in the body to provide more surface area. Preferably, the hide piece is made from a large animal hide that is cleaned, infused with flavor and dried.

The invention discloses pure cocoa butter type chocolate for 3D printing. The chocolate is prepared from the following raw materials comprising the following components in percentage by weight: 50-60% of cocoa butter liquid blocks, 5-15% of dried skim milk powder, 15-35% of white granulated sugar, 10-15% of cocoa butter and 0.3-1.0% of an emulsifier. The chocolate is prepared by carrying out pre-treatment, mixing and precision grinding, refining, filling and temperature regulation on the raw materials. The chocolate disclosed by the invention has stable flowability, and the product is hard to grow dim and become white. The chocolate is suitable for 3D printing of medium-small target quantities, unnecessary waste is reduced, the cost is lowered, and the chocolate is convenient to use and operate.

The invention includes a light and compact illuminator that can be powered from a portable and rechargeable battery. The illuminator includes two independent solid-state light sources and optics to converge the beams into a single high-intensity output beam. The components are enclosed in a lightweight, head-mounted housing.

The invention discloses an oxide nanowire-MOF derivative / S composite positive electrode material and a preparation method therefor, and belongs to the fields of a lithium-sulfur battery positive electrode material and a preparation method therefor. According to the positive electrode material, the effects of PVP, SDS, PVA, NPAM and other surfactants are utilized; next, by taking metal oxide nanowires as the substrate, imidazole, an organic solvent and metal salt are added, and then, standing and hydrothermal and solvothermal methods are preformed to prepare an oxide nanowire / ZIF-system MOFs tomatoes-on-sticks-shaped composite material to be used as a precursor; and then the precursor is subjected to carbonization treatment, and next, sulfur fixation is carried out by the carbonized product so as to obtain the oxide nanowire-MOF derivative / S composite positive electrode material. The carbonized product has relatively large specific surface area and relatively high conductivity, so that the carbonized product is very suitable for sulfur fixation; and in addition, the composite positive electrode material and the preparation method therefor are relatively high in cycling stability and capacity, and have simple preparation and easily available raw materials, so that the advantages of accelerating commercialization of the lithium-sulfur battery and the like, as well as quite high potential value are achieved.

An insulating cup sleeve has a flat, elongated blank with straight top and bottom edges and end edges, and has a plurality of transverse slits that cut into the blank, spaced apart from each other and cut at least partway across the height of the blank, which slits serve to expand the sleeve around the circumference of the cup when the slits are situated along the upward edge of the sleeve. The transverse slits terminate at a larger area cut-out that disperses the tearing pressure at the end of the slit. The new insulating cup sleeve uses about 13.4% less material and takes up about 19.4% less physical space than the prior art sleeve, thus constituting substantial savings on materials and production cost, as well as on transportation and storage.

An insulating cup sleeve has a flat, elongated blank with straight top and bottom edges and end edges, and has a plurality of transverse slits that cut into the blank, spaced apart from each other and cut at least partway across the height of the blank, which slits serve to expand the sleeve around the circumference of the cup when the slits are situated along the upward edge of the sleeve. The transverse slits terminate at a larger area cut-out that disperses the tearing pressure at the end of the slit. The new insulating cup sleeve uses about 13.4% less material and takes up about 19.4% less physical space than the prior art sleeve, thus constituting substantial savings on materials and production cost, as well as on transportation and storage.

The invention discloses a flower-like nano-WO3 / graphene composite gas-sensitive material and a preparation method and an application thereof. According to the invention, oxidized graphene and soluble tungsten salt are compounded by a microwave-stirring hydrothermal method so as to prepare the flower-like nano-WO3 / graphene composite gas-sensitive material. The content of graphene in the nano-WO3 / graphene composite gas-sensitive material is 0.1-1.0%. The nano-WO3 / graphene composite gas-sensitive material provided by the invention has unique and uniform morphology, has high sensitivity to aniline gas and has good selectivity. Operating temperature is as low as 80 DEG C. The preparation method adopts microwave heating and stirring. The technology is advanced, reaction time is short and cost is low.

The present invention has multiple aspects. In its simplest aspect, the present invention is directed to an intermediate bone block comprising a machined segment of cortical bone, cancellous bone or both, the intermediate having a face comprising one to ten compression surfaces and one to ten cavities, the compression surfaces suitable for compressing soft tissue, the cavities for receiving and holding overflow soft tissue. The cavities are preferably channels, and more preferably channels having an omega cross-sectional profile. The invention is also directed to bone block assemblies suitable for binding to a soft tissue to form an implantable graft, and to such implantable grafts. A particularly preferred graft is a bone-tendon-bone graft.

The invention discloses a regulation and control method of improving surimi system unfreezing forming and 3D (three dimensional) accurate printing performance and belongs to the technical field of preparation of 3D printed food materials. The regulation and control method comprises the following steps: unfreezing, mixing, blending, pre-forming, printing, post-setting, cooking frozen surimi and the like. According to the regulation and control method, as for an unfrozen surimi gel system, the printing temperature can be lowered, and the discharge rate and the stereo forming rate are increased; through induction by flaxseed gum and gluconic acid lactonic acid, the surimi gel has stable viscosity and mobility, surimi slurry is fine and smooth, and discharge is smooth without blockage; the surimi gel system can be prepared into fish product dining which maintains original characteristics and taste of a surimi product and has novel appearance and beauty through a 3D accurate printing technology.

The invention discloses a special aluminum square tube ceiling and a construction method thereof. The special aluminum square tube ceiling comprises a hanging steel bar keel hung under a concrete top plate, a cross-bracing keel and an aluminum square tube ceiling connected at the lower end of the cross-bracing keel, wherein the aluminum square tube ceiling is formed by the spaced distribution of a plurality of aluminum square tubes with U-shaped sections; the hanging steel bar keel is an unequal-length keel; the aluminum square tube ceiling presents the shape of a curved surface; two continuous aluminum square tubes are butt-jointed by a woody connection fitting, the two ends of the woody connection fitting are respectively embedded in U-shaped spaces of the aluminum square tubes, and the two U-shaped edges of the aluminum square tubes are extended to form bent edges which are symmetrical inwards and are covered on the two upper edges of the woody connection fitting. With the advantages of simple structure, labor / time saving, quick construction, low cost, accurate ceiling shape positioning and smooth curve, the invention is applicable to the building ceilings in various curved shapes.

A process for synthesizing nanoband of MoO3 monocrystal includes dissolving soluble molybdate and perchloric acid in water, and hydrothermal reaction at 100-200 deg.C while controlling the concentration of H ions (10mol / L[H]>0.01mol / L) and the speed of dropping acid (10mL / min>V7 0.1mL / m). Its advantages are unique ize and shape of product, and high output rate.

Disclosed is a multilevel multi-curve single-layer welding ball steel structure net rack. Each layer of the multilevel multi-curve single-layer welding ball steel structure net rack comprises a structurally separated rod and a hollow ball which are connected into a whole in a welded manner; an elastic support positioned on a reinforced concrete vertical column is connected with each layer of the multilevel multi-curve single-layer welding ball steel structure net rack through a net rack supporting part; the elastic support is capable of inching in a certain direction or an optional direction, and the net rack further comprises a cable-supported structure consisting of a cable-supported structure support, a cable-supported ball, a pull cable and a cable-supported ball supporting rod. The net rack is unique in appearance and suitable for serving as a building steel structure support which has high requirements on the appearance of a building, is unique in appearance and needs to display arc shapes, line shapes, shell shapes and staggered levels, and the construction method of the net rack can be used for effectively controlling space coordinates and positional accuracy of components of the net rack, structural stability and structural appearance diversity of the net rack during installation, so that the requirements of a building structure on high, large, difficult and multidirectional change can be met.

A system and method is presented for detecting and classifying slow-moving and hovering helicopters from a missile's took-down Doppler radar that is compatible with the existing base of Doppler radars. This approach uses definable attributes of a helicopter rotor assembly and its extended Doppler rotor return to differentiate “rotor samples” from other samples (steps 123, 125), extract features such as bandwidth, activity, angle, and shape from the rotor samples (step 127), and classify a potential target as a helicopter or other based on the extracted rotor features and the known attributes of the helicopter rotor assembly (step 129). A target report including a classification target, range, range-rate, and angle of the extended rotor return is suitably passed to a tracking processor (step 121).

The invention relates to the technical field of a lithium ion battery, in particular to a preparation method of a spherical hard carbon negative electrode material of a high-capacity lithium ion battery. The preparation method is characterized by comprising the following steps of (1) material mixing; (2) precrosslinked polymerization reaction; (3) crushing and grading; (4) polymer powder pelletizing treatment; (5) oxidation stability treatment; (6) pre-carbonization treatment; (7) carbonization treatment. Compared with the prior art, the preparation method has the advantages that the raw material sources are wide; the preparation process is simple; the structure and the processing performance of a precursor organic carbon source can be effectively improved through the precrosslinked polymerization reaction; the prepared spherical hard carbon has unique appearance and good pore diameter distribution, and also has the advantages of particle granularity distribution uniformity, high stacking density and the like; high capacity, high first coulombic efficiency, excellent high-rate performance and excellent circulation performance are also realized.

The invention discloses a preparation method for a nano-flake SnS2 sodium-ion battery negative electrode material with good rate capability, comprises: 1) preparing an Sn source solution A with the concentration of 0.5-1.2 mol / L, regulating the pH of the solution A to be 1-9; and preparing an S source solution B with the concentration of 0.1-2.4 mol / L; 2) mixing the solution A and the solution B at an element molar ratio of nSn: nS being equal to (1.0-2.5): (2.0-4.3), and uniformly stirring to form a solution D; 3) putting the solution D into a homogenous phase hydrothermal reaction kettle for performing a homogenous phase hydrothermal reaction; and 4), cooling the reaction kettle, then centrifuging, washing, separating and drying to obtain the nano-flake SnS2 sodium-ion battery negative electrode material, wherein under 100 mA / g current density, the initial discharge capacity of the negative electrode material reaches 745 mAh / g; and after circulating for 100 times, the capacity is kept at 560 mAh / g.

The invention discloses a heat-not-burning smoke formation product and a preparation method thereof. The method comprises the steps of screening, crushing and blending tobacco and a flavor coordinating plant; adding a porous carrier material, tobacco extract and an adhesive; and carrying out extrusion molding by an integrated mold to prepare the cylindrical smoke formation product with a small amount of irregular pores, or preparing uniform smoke formation particles through a granulation machine. The smoke formation product can generate the same smoke and tobacco flavor as a traditional cigarette in a heat-not-burning smoking set. The irregular pores of the smoke formation product facilitate the input of air and the volatilization of aroma substances, and the same smoke and flavor as the traditional cigarette can be generated at a temperature far lower than the burning temperature of the traditional cigarette, so that the sensory requirements of smokers can be better met. The preparedheat-not-burning smoke formation product is sufficient in smoke formation amount, good in aroma quality, soft and fine in smoke, free of unpleasant firewood flavor, small in irritation, comfortable inaftertaste and relatively good in sensory experience.

The invention discloses a preparation method of WO3 / ZnWO4 composite micro-nano fiber. The preparation method comprises the following steps: firstly, preparing Zif-8 from zinc salt and dimethyl imidazole which serve as a raw material; then adding polyethylene glycol 200 and formamide to prepare a Tris-HCl solution of the Zif-8; dissolving tungstic acid in ammonia water, so as to obtain a solution; slowly dropwise adding the two solutions into a polyvinylpyrrolidone (PVP) solution, so as to obtain a precursor spinning solution, and performing electrostatic spinning and thermal treatment, so as to obtain a final product. According to the WO3 / ZnWO4 composite micro-nano fiber produced through the preparation method, a fiber main body is formed by compounding WO3 and ZnWO4 nano particles, and WO3 heterogeneous phase particles are generated on the surface. A metal organic framework material (Zif-8) is introduced into a synthesis process of the WO3 fiber, so that the preparation process is simple and convenient, high in reaction controllability and high in operability; a crystal phase structure and a microstructure of the product are adjustable, and the product has high repetitiveness. The WO3 / ZnWO4 composite micro-nano fiber obtained through the preparation method has an important market application prospect on the aspects of gas sensitivity, catalysis and the like.

The invention relates to a single-wheel self-balancing robot system belonging to the category of intelligent robots, in particular to a static unbalanced robot which is capable of autonomously controlling motion balance and then autonomously riding a wheelbarrow. The single-wheel self-balancing robot system provided by the invention comprises a mechanical body and an electrical control system and is characterized in that: a vertically-arranged flywheel capable of rotating from side to side is contained in the upper part of the body and used for realizing the horizontal balance controlling of the robot; a rotatable horizontally-arranged flywheel is contained in the middle of the body and used for realizing the turning of the robot; a single wheel capable of rotating forward and backward is contained in the lower part of the body and used for realizing the forward and backward balance walking of the robot; and the electrical control system is composed of a drive motor, a motion controller and an attitude sensor and a servo drive controller which are connected with the electrical control system. The system provided by the invention provides a control platform, relates to the fields of control technology and intelligent control besides robotics and is capable of satisfying the requirements of multidisciplinary research and teaching.

A controlling method of calcium carbonate shape and appearance is carried out by dissolving flowing carrier into organic solvent, high-speed agitating, putting it into porous membrane with surface treatment, immersing for 24~48hrs, cleaning oil phase by filter paper, preparing sodium carbonate solution and calcium chloride solution, laying aside at both sides of the membrane to be used, adding 1% additive into sodium carbonate solution at one side, reacting for 0.1~48hrs, centrifugal depositing and cleaning to obtain CaCO3 product with cubic, spherical, prism, columnar and nanometer sheet shapes. It is cheap, simple, has easy control and no environmental pollution.

The invention relates to the technical field of tea cakes and particularly relates to white tea and a tea cake processing method thereof. According to the white tea, technological parameters and steps in a withering step of a white tea processing process are limited so that the white tea is sufficiently oxidized in a withering process, the content of polyphenols is reduced and the bitter taste is reduced; meanwhile, the defects that more biochemical components are consumed and the taste is light, caused by long-time withering, are also avoided; and on the other hand, phenomena that a biochemical reaction is not sufficient, the tea flavor is light and has a green flavor and the color of tea leaves becomes black are also prevented, the quality of the tea leaves is improved and the nutritional value of the white tea is improved.

The invention discloses a preparation method of ultrafine particles and nano-particles, including the following steps: ammonia and / or ammonium bicarbonate and / or ammonium carbonate and / or sodium bicarbonate and / or sodium carbonate and / or sodium hydroxide and / or potassium hydroxide solution are added to metal nitrate or chloride to be precipitant; and superfluous sodium hydroxide and / or potassium hydroxide are added to the precipitant; precipitated particles are crystallized under high temperature and strong alkali, which are not agglomerate; products are obtained by washing, drying and firing. The ultrafine particles and the nano-particles prepared by adopting the method of the invention have high purity, even granularity and even as well as single appearance, which are crystal of aciform or fusiform; the granularity of the products can be adjusted and controlled by controlling thickness, temperature and alkalinity of the reaction. Metal oxide of the whole technology has high yield, small loss, simple process, easy operation, precipitate which is easy to be precipitated, washed and filtered and low manufacturing cost; the metal oxide of the whole technology is suitable for industrialization manufacturing. The waste alkaline water is recycled which causes little pollution to the environment.

The present invention relates to a lithium iron phosphate electrode material having a three-dimensional hierarchical structure, and a preparation method thereof. The preparation method comprises: 1) sequentially adding a surfactant and a phosphorus source compound to a solvent, and uniformly stirring for use; 2) dispersing an iron source compound in a solvent, and uniformly stirring for use; 3) dispersing a lithium source compound in a solvent, and uniformly stirring for use; 4) mixing and stirring the solutions or suspensions of the phosphorus source compound, the iron source compound and the lithium source compound, and loading into a reaction kettle; 5) carrying out a reaction under a hydrothermal or solvothermal condition, and washing and drying the obtained product to obtain lithium iron phosphate with various hierarchical structures; and 6) calcining to obtain the hierarchical structure lithium iron phosphate material having high crystallinity. According to the present invention, the preparation method is the wet chemical method for preparing the lithium ion battery positive electrode material lithium iron phosphate (LiFePO4) by adopting the precursor directly obtained through the hydrothermal or solvothermal reaction, and the surface activity structure-oriented method is adopted to design and construct the electrode material having high specific surface area and excellent electrochemical property.

The invention discloses a preparation method for SnO2 / ZnO compound micro-nano fibers. The preparation method comprises the following steps: firstly preparing Zif-8 by zinc salt and 2-methylimidazole; adding ammonium citrate dibasic, octadecylamine and ethyecellulose to prepare the Zif-8 solution; preparing tin salt solution by tin salt and polyvinylpyrrolidone, and slowly dropwise adding to the Zif-8 solution, to obtain precursor spinning solution, and executing the electrostatic spinning and heat treatment to obtain a final product. The body of the prepared SnO2 / ZnO compound micro-nano fibers is formed by SnO2 and ZnO nano-particle combination, and the surface has the SnO2 nano-particles. According to the preparation method, a zinc-based metal organic framework material is introduced into the SnO2 micro-nano fibers, the synthetic process is simple, the reaction parameters are easily set, and the ingredients of the obtained product are adjustable. The obtained SnO2 / ZnO compound micro-nano fibers have the important application value in the fields, such as air-sensitive and photocatalysis.