1058results about How to "Various shapes" patented technology

The invention discloses an architectural engineering construction device based on the 3D printing technology and an application method. The architectural engineering construction device is applied to the field of architectural engineering construction through the 3D printing technology. The whole architectural engineering construction device comprises a 3D printer system, a concrete pump pouring system which is synchronous with the 3D printer system and is used for concrete pouring, a circuit equipment unit and an interface and data processing unit. The 3D printer system comprises a stereoscopic control positioning device with three axes of X, Y and Z axes, and a printing extrusion head device, wherein the stereoscopic control positioning device with the three axes of X, Y and Z axes is used for achieving 3D printing on a formwork. The circuit equipment unit comprises a power supply device, a control circuit board, an extrusion head positioning sensor and a material measurement sensor. The interface and data processing unit comprises a sensor interface used for analyzing and controlling the whole system and measuring the surroundings. The architectural engineering construction device based on the 3D printing technology and the application method improve the mechanical construction level and efficiency of architectural engineering, and reduce consumption of architectural materials and energy.

Compositions and processes are disclosed for economical separation of fluid mixtures. Broadly, the present invention discloses ionic polymer compositions that are useful for perm-selective membrane separations. More particularly, ionic polymers of the invention comprise a plurality of repeating structural units having as a constituent part thereof organic ionic moieties consisting of nitrogen containing anions and/or cations. In the form of non-porous membranes, ionic polymers of the invention facilitate recovery of purified organic and inorganic products from fluid mixtures by means of perm-selective membrane separations. The present invention also provides methods for forming the ionic polymers, for example by treating selected nitrogen-containing organic polymers with acids, or treating a polymeric material comprising a plurality of carboxylate groups with an amine. Ionic polymer compositions of the invention are particularly useful for simultaneous recovery of a permeate product of an increased concentration, and a desired non-permeate stream, from a fluid mixture containing at least two compounds of different boiling point temperatures.

The invention relates to a production process of chewable tablets of barley shoot powder and a product thereof and belongs to the deep processing technology field of agricultural products. The production process is characterized in that the barley shoot powder is main base material, and the chewable tablets of the barley shoot powder with smooth appearance, green color and crispness and freshness is made after the processes of composite stabilizer, making soft material, granulation, drying, tabletting, sterilization and packing. The method has the advantages of simple process, higher industrialization degree, low production cost, realizing the full utilization of the barley shoot and promoting the added value of the barley shoot. The chewable tablets of the barley shoot powder produced by the invention which is leisure-base health care food can fully enhance physique and body immune, simultaneously has the function of catharsis, reducing blood lipid and preventing cerebral thrombosis and coronary heart disease.

Disclosed herein is a method for manufacturing metal sulfide nanocrystals using a thiol compound as a sulfur precursor. The method comprises reacting the thiol compound and a metal precursor in a solvent to grow metal sulfide crystals to the nanometer-scale level. Further disclosed is a method for manufacturing metal sulfide nanocrystals with a core-shell structure by reacting a metal precursor and a thiol compound in a solvent to grow a metal sulfide layer on the surface of a core. The metal sulfide nanocrystals prepared by these methods can have a uniform particle size at the nanometer-scale level, selective and desired crystal structures, and various shapes.

An fire-retardant insulating material and method of construction thereof has a textile fabric fabricated of continuous basalt filaments. The continuous basalt filaments are preferably texturized or twisted. The insulating material may be arranged in any configuration, such as a sheet, panel or sleeve, and may be knit, woven or braided.

The invention is drawn to methods and apparatus for protecting fruits and vegetables, particularly soft-skinned fruits and vegetables, from bruising, crushing and other damage during transport. Preferably, the apparatus of the present invention are designed for transport and protection of individual or small numbers of fruits and vegetables. Methods include methods for protecting fruit and vegetable from damage during transport.

The invention discloses a multilayer composite plate for building templates and brick pallets, which is prepared from magnesium cement gel added with a reinforcing material and a filler, and comprises surface layers (1) and sandwich layers (2); the surface layers (1) or/and the sandwich layers (2) comprise the filler or/ and the reinforcing material with even content or gradient change; the number of the sandwich layers (2) is totally between 1 and 5; and the reinforcing material is arranged between adjacent sandwich layers (2). The invention also comprises a preparation process for the multilayer composite plate, which comprises that: production equipment with the capacity of stirring and preparing materials at multiple positions and rolling at multiple positions orderly rolls the surface layers (1) or/and the sandwich layers (2) on a subplate (3); and the reinforcing material is used as a reinforced structure between adjacent surface layers (1) or/and sandwich layers (2). The products corresponding to the invention have the characteristics of strong applicability, good technical effect and suitability for mechanical continuous production, and have predictable great economic and social values.

A lighting device comprising:

• • a light emitting module including a plurality of electrically connected light emitting bars each having a plurality of semiconductor light emitting devices;
  • a chassis for containing the light emitting module and having a discharge opening;
  • a reflection sheet arranged in the chassis; and
  • a brightness nonuniformity reduction unit,
  • wherein the light emitting bar includes:
  • a band plate-shaped substrate;
  • a wiring formed on one surface of the substrate;
  • the plurality of semiconductor light emitting devices; and
  • first and second connectors formed in proximity to opposing shorter sides on the one surface of the substrate,
  • wherein the reflection sheet has at least a plurality of corresponding holes through which the plurality of semiconductor light emitting devices are inserted,
  • and wherein the brightness nonuniformity reduction unit is arranged in proximity to a position of the first and second connectors of each light emitting bar.

The invention provides a preparation method of a titanium dioxide nanowire/two-dimensional layered titanium carbide composite material. The preparation method comprises the following steps: high energy ball milling is carried out on high-purity ternary layered Ti3AlC2 powder for grain refinement; two-dimensional layered nano-material MXene-Ti3C2 is prepared by hydrofluoric acid eroding treatment; and hydro-thermal treatment is carried out on MXene-Ti3C2 and P25 under alkaline condition to make nanowire-type TiO2 to be loaded with MXene-Ti3C2, so as to obtain the nanowire-type TiO2/MXene-Ti3C2 nanocomposite material. Nontoxic raw materials are used, the preparation process is simple, the technology is controllable, and costs are low. The prepared two-dimensional layered MXene-Ti3C2 is uniform, TiO2 nanowires are long and thin and uniformly distributed. Thus, the composite material has large specific surface area, good conductivity, good photocatalytic performance and good biocompatibility, and is applicable to the fields of photocatalysis, wastewater treatment, lithium ion battery, biosensor and the like.

A porous silica which can be formed into various shapes excellent transparency, capable to be nanoparticulated, capable to be obtained at a high efficiency even when a cationic surfactant having 7 or less carbon atoms is used. Alkoxysilane is dispersed with a cationic surfactant in which a hydrophobic moiety has 2 to 7 of carbon atoms, and added water of which pH is adjusted to 0-2 with the amount of 2-4 equivalents to the alkoxysilane, and mildly hydrolyzed to obtain a monolithic mesoporous silica of which a pore diameter is not less than 0.5 nm and less than 2 nm. A pore diameter can be controlled by adding an organic silane to the system. By adding polyethylene glycol to the synthesis system, a monolithic mesoporous silica nanoparticle is obtained.

The invention relates to a bent member for bamboo furniture and a manufacturing method thereof. The method comprises the following steps of: selecting moso bamboo chips, cooking, stacking and binding, placing in a mold, performing microwave heating, pressurizing, drying and sizing, coating glue, matching blanks, aging, gluing, aging, and mechanically processing. The steps are simple, and the prepared bent member for the bamboo furniture inherits the good bending toughness and physical and mechanical performance characteristics of bamboo wood, has the characteristics of high toughness, slight deformation, stable size, and high rigidity, can be subjected to the processing modes, such as bending, sawing, planning, engraving and milling, surface decoration and the like, enriches the modeling of bamboo furniture, improves the additional value of the bamboo wood, meets the requirements of sustainable development, regeneration, or recycling, and environmental-friendliness, and has good economic, social and ecological benefit.

The invention provides an inside and outside walls facing mortar with little saltpetering phenomenon in use and less price; the facing mortar comprises the following components by weight percent: 30-40% of silicate cement, 15-25% of inert filler, 40-50% of sand, 1.0-2.0% of high active mineral filler and 3.0-5.0% of additives. The preparation method of the facing mortar of the invention adopts common silicate cement as cementitious material, and adds high active metakaolin with small particle size to react with excessful calcium hydroxide in the cement and obtain CSH gel so that the existing free Ca<2+> in the cement is greatly reduced, the compactibility of the facing mortar layer is increased and the external water is hard to enter; in addition, a defined amount of nanoscale water repellent agent is added in the mortar so that the channel of external water into the mortar is blocked, double barriers are formed between each other and the generation conditions of saltpetering can be well restrained. The facing mortar of the invention has reasonable formula, simple construction, and lower production cost which is greatly less than that of the existing anti-saltpetering mortar, thus being applicable to the inside and outside walls decoration of common houses or factories.

By a combination of a plurality of blocks 11 in which a plurality of projecting portions 37 which are formed into the same cylindrical shape are provided on an upper surface of a rectangular parallelepiped base portion 31 at intervals of several millimeters, the base portion 31 has a rectangular parallelepiped interior space which is made to open downwards so as to enable the accommodation of projecting portions 37 of other blocks, and the cylindrical projecting portions 37 of the other blocks are made to be held by side wall panels 33 of the base portion 31, a drawback that the change in shape of a shaped structure becomes less conspicuous is eliminated irrespective of a reduction in the number of types of blocks with respect to their shapes.

The heat abstractor comprises a main radiator, an auxiliary radiator, a connecting pipe and a minipump. The main radiator possesses flow passages, where molten metal with low melting point or alloy flow working medium are contained. Cooling fins are setup at surface of the main radiator contacted to surface of the chip to be cooled. Cooling fins are also setup at surface of the auxiliary radiator possessing flow passages, where liquid metal with low melting point or alloying flow working medium are contained. The connecting pipe connects between the main and auxiliary radiators. The minipump is installed on the connecting pipe for driving liquid metal and working medium. The said working medium is metal gallium or its alloy, which are meltable near room temperature. The invention integrates fin cooling and convective cooling, providing advantages of small size, large cooling area, high heat transfer efficiency, close cyclic process without influence on environment.

The invention relates to a method for filtering and separating suspended maters from water and a filtering device used in the method. According to the concrete technology, a filter screen of the filtering device is directly arranged in water flow in a water flow channel; the included angle a is formed between the filtering surface of the filter screen and the water flow direction of the surface of the filtering surface, wherein the included angle a can be an acute angle between 0 and 70 DEG or an obtuse angle between 110 DEG C and180 DEG; and the filter screen of the device and different water flow channels form different cross flow filtering systems. The method and device provided by the invention can be widely applied to lake blue-green algae, sewer liquid dung, sewage treatment plants and vegetable drug extraction.

The invention provides a method for preparing a nanocrystal with a core-shell structure. The method comprises the following steps of: (1) mixing a glycol solution containing Au ions and a glycol solution of polyvinylpyrrolidone, heating the mixed solution by microwave radiation, adding ethanol after the solution is cooled, and centrifuging to obtain a gold crystal seed precipitate; and (2) mixing N,N-dimethyl formamide containing Ag ions and N,N-dimethyl formamide of polyvinylpyrrolidone, adding the gold crystal seed precipitate into the mixed solution, heating till boiled, centrifuging to collect precipitate, and cleaning. The invention also provides the nanocrystal prepared with the method. The equipment and the process of the preparation method are simple, safe and universal and have strong operability; and scale production can be realized. Therefore, under the conventional experimental condition, the crystal with a regular crystalline form and a gold-core silver-shell nano-structure can be synthesized in high yield.

The invention relates to a processing and forming method of a double-layer type cellular shade, which comprises the following steps: feeding and pre-forming a first base material band, heating and forming the first base material band, cooling and stereotyping the first base material band, coating adhesive on two sides of the first base material band, performing a base material body, heating and forming the base material body, cooling and stereotyping the base material body, coating the adhesive on the base material body, cutting the base material body, and connecting basic unit blades. The processing and forming method of the double-layer type cellular shade can enhance the structural stability of a curtain body of a curtain and improve the functional expansibility of the curtain body of the curtain.

The invention discloses a modeling method for buddhist pines, which comprises the following steps: 1, selecting raw materials; 2, planting; and 3, modeling. When the method is used, the modeling time of the buddhist pines is reduced greatly, and with the branch and trunk encircling modeling of the branches and trunks, the bud parts on the tops of the tree branches are uniformly erected, so the plumpness of leaves is increased and secondary modeling in next year or the year after next year is avoided. Thus, the buddhist pines can be sold immediately when modeled. In the invention, the buddhist pines are naturally modeled, and various models such as refined model, water-side model and opened model are available. The model of each tree may vary with the raw material, so that the single form situation of a Yuanchuan school is changed. After being reconstructed by a root controller, the conveying radium of seedlings is greatly prolonged from the original 300 kilometers and the marketability of the goods is improved greatly.