126results about How to "Shape unchanged" patented technology

The invention belongs to the technical fields of a novel material as well as preparation, and particularly relates to mesoporous graphene foam as well as a preparation method thereof. The invention realizes hydrothermal preparation of a magnesium oxide texture structure and preparation of the mesoporous graphene foam by using textured magnesium oxide as a template. The mesoporous graphene foam material has abundant mesoporous structures and excellent electric property and can be used as an electrode material of batteries and supercapacitors, so that the energy density and the power density of the batteries or the supercapacitors are expectedly improved to a great extent. The cycling stability of the mesoporous graphene foam material is increased, and the mesoporous graphene foam material combined with materials with high draw ratio or the mesoporous graphene foam material can soften energy storage apparatuses. The advantages have important meaning for realization of commercialization of a new generation of energy storage apparatuses for electromobiles and development of smaller, lighter and flexible portable mobile power supplies. The business prospect is wide. Meanwhile, preparation processes of the high temperature hydrothermal method and a fluidized bed can realize engineering enlargement, so that the method is expected to be industrialized.

An edible roast egg is prepared through washing, immersing in flavouring liquid for 1-16 hr, coating flavouring paste on the surface of egg, optical radiating, and roasting at 100-250 deg.c for 1-48 hr. Its advantages are pure roast taste and no pollution.

The invention discloses a processing method for vacuum freeze drying of Hemerocallis fulva L. The processing method comprises the following steps: S1, pre-freezing pretreated fresh Hemerocallis fulva L. at a temperature of -40 DEG C for more than 10 h; and S2, freeze drying the prefrozen Hemerocallis fulva L. at a temperature of -40 to -50 DEG C in a high vacuum state for 12 to 16 h. The invention has the following beneficial effects: pretreated Hemerocallis fulva L. has a yellowish green color and crisp and tender taste and is safe to eat since colchicine is inactivated; the process of vacuum freeze drying is employed, so the processed Hemerocallis fulva L. maintains good appearance, intact flower buds and the original color, fragrance, flavor and shape of Hemerocallis fulva L., water content in the processed Hemerocallis fulva L. is low, a loss late of nutritional ingredients like protein, vitamin C, a dietary fiber and the like is low, and a storage life of the processed Hemerocallis fulva L. is long; rehydration of the processed Hemerocallis fulva L. is easy, and the processed Hemerocallis fulva L. has a yellowish green color and crisp and tender taste and retains original delicate fragrance after rehydration.

The invention discloses a mask assembly assembling method. The mask assembly assembling method comprises steps of external force application, tension application, alignment installation and external force release. The mask assembly assembling method is characterized in that through one or more tension application steps, alignment installation steps and external force release steps, one or more mask units are installed to a mask frame; and after all the mask units are installed, all external forces are released so that a mask assembly is obtained. Through the mask assembly assembling method, the shape of the mask frame provided with all the mask units is basically the same as that of the mask frame without the mask units, in other words, the shape of the mask frame is basically unchanged and thus a mask assembly precision is improved so that a precision and quality of the product are improved.

The invention belongs to the technical field of composite material preparation and relates to a method for preparing a graphene static conductive tire. According to the method, on the premise that tread rubber and side wall rubber of a general tire are matched according to a weight ratio which is basically unchanged, 0.1-20 weight parts of graphene is added according to the difference in electric conductivity and specific area of the selected graphene to optimize the ratios of hard carbon black and other materials, so that the electric conductivity of the tread and the side wall of a composite rubber tire modified by adding the graphene is not lower than 10<-8> S/m at the room temperature. The technology is simple, price is low, and application and popularization are convenient. The method is suitable for various tires, technical transformation of original production equipment is not needed, and the overall appearance, size, weight and dynamic property of the modified tire are not changed; meanwhile, the wearing resistance, thermal conductivity and aging resistance of the tire are improved.

The invention relates to a method for electrochemical coloring of metallic titanium and titanium-based alloys. Through electrochemical coloring at normal temperature and under normal pressure, the electrochemical anode on the surface of metallic titanium and a titanium-based alloy can be rapidly oxidized to blue, yellow and other colors, and the corrosion resistance and wear resistance of metallic titanium and titanium-based alloys can be effectively improved. The method provided by the invention has the advantages of low cost, environment friendliness, high efficiency and simple process, is easy for industrial application, and has wide application prospect.

The present invention relates to two-way through flow/axial flow pump, and aims at solving the problem of guide vane in counter direction operation of the vane wheel to facilitate the two-way water supply. The two-way through flow/axial flow pump of the present invention has radially homogeneously distributed front guide vanes and back guide vanes in front part and back part of the vane wheel shaft separately. Each of guide vanes is semi-movable and consists of fixed part and rotatable part, the fixed part is connected to the pump body via casting or welding, and the rotatable part is connected to the guide rotating mechanism outside the pump body and hinged to the fixed part. The present invention is suitable for two-way water supply in various pump stations.

The invention discloses a method for preparing ceramsite by using Xianfeng diatomite. The method comprises steps of: crushing a naturally dried raw material Xianfeng diatomite; mixing the raw material with water in a ratio of 100:60-70 and stirring uniformly; air-drying the mixture to a water content of 40-50%; moulding; air-drying naturally; and finally sintering to obtain high strength diatomite ceramsite. The method of the invention is simply operated, has good effect; and the ceramsite prepared by the method has good strength, reduced water absorption, strong durability and wide application scope.

The invention provides a metal-matrix composite chemical heat-storage material and a method for preparing the same. The method comprises the following specific steps: adding distilled water into a chemical heat-storage material, stirring to form a suspension, soaking a metal-matrix porous body into the suspension of the heat-storage material under the pressurizing condition, and pressurizing repeatedly to obtain the metal-matrix composite chemical heat-storage material. The metal-matrix composite chemical heat-storage material can be used in the high-temperature condition, solves the problem that the chemical heat-storage material can expand or contract to deform due to chemical reaction and has good stability. In addition, the metal-matrix porous body has good heat-conducting performance and can improve the coefficient of heat conductivity of the composite chemical heat-storage material.

The invention belongs to the technical field of food production and particularly relates to frozen potato steamed stuffed buns and a manufacturing method thereof. The frozen potato steamed stuffed buns consist of frozen potato steamed stuffed bun wrappers and steamed stuffed bun stuffing. The manufacturing method of the frozen potato steamed stuffed buns comprises the following steps: carrying out dough kneading; carrying out encrusting; freezing; unfreezing; fermenting; and steaming. According to the frozen potato steamed stuffed buns provided by the invention, the unfrozen frozen potato steamed stuffed buns are primarily fermented and steamed, do not deform, are high in freshness, high in nutritional value and content of digestible components, and are convenient to eat and relatively fine and smooth in taste, so that the dietary nutritional pattern of residents in China is effectively improved and the daily nutrient requirement of the residents is better satisfied. In addition, the manufacturing method of the frozen potato steamed stuffed buns provided by the invention is simple in process and can be used for realizing quantified, standardized and industrialized production.

The invention relates to a rare earth doping optical fiber light source light path structure. Assemblies of the rare earth doping optical fiber source light path structure comprise a Faraday rotation reflector (1), an optical filter (2), a rare earth doping optical fiber, a pumping signal combiner (4), a pumping laser (5), an isolator (6) and an attenuator (7). One of connecting modes among the assemblies comprises the optical filter (2) is respectively connected with the Faraday rotation reflector (1) and the rare earth doping optical fiber (3), the other end of the rare earth doping optical fiber (3) is connected with a common end of the pumping signal combiner (4), a pumping end of the pumping signal combiner (4) is connected with the pumping laser (5), a transmission end of the pumping signal combiner (4) is connected with an input end of the isolator (6), and an output end of the isolator (6) is connected with an input end of the attenuator (7). The rare earth doping optical fiber light source light path structure can ensure the fact that shapes of light source spectrums of different output power grades are kept unchanged under the condition that the same type of an optical filter is used in a rare earth doping optical fiber light source, and therefore cost is reduced.

The invention discloses a sunscreen bar containing a water-soluble component, which belongs to the technical field of special cosmetics. The sunscreen bar containing water-soluble component is prepared from the components of, by weight, 5.00 to 40.00 part of sun-screening agent, 1.00 to 10.00 part of emulsifying agent, 1.00 to 30.00 part of water-soluble component, 10.00 to 92.00 parts of emollient and 1.00 to 20.00 part of powder. According to the invention, the water-soluble component is added into the sunscreen bar; the defect that water-soluble components (a water-soluble skin conditioner,a sun-screening agent, a film-forming agent, a humectant, a preservative and the like) cannot be added into a traditional pure oil sunscreen bar is overcome; the selection range of the raw materialsis widened; the formula cost and greasy feeling are reduced; moisturizing experience can be provided while moisturizing is achieved; and particularly, the sunscreen index can be increased by effectively reducing the 'window effect' by adding the water-soluble sun-screening agent which has a synergistic effect with an oil-soluble sun-screening agent.

The invention relates to the field of phase change heat storage materials, in particular to a biochar-paraffin phase change heat storage material and a preparation method. The cut straw is heated to 800 DEG C +/- 20 DEG C in a tubular furnace filled with nitrogen at the speed of 1-3 DEG C/min and heat preservation is conducted for 1-3 h, so that the straw is cracked into a biochar material; and then the biochar material is placed in the hot air atmosphere of 400-600 DEG C to be subjected to surface oxidation treatment for 8-12 min; and the paraffin block is placed into a mold cavity of a moldwith addition of the biochar material subjected to surface oxidation, then the mold is heated to 70-90 DEG C with complete stirring to melt the paraffin block in the mold cavity, then the paraffin isuniformly mixed with the biochar material, and the product is naturally cooled and cured to obtain the phase change heat storage material. The biochar accounts for 10-20% by mass, and the paraffin accounts for 80-90% by mass. According to the biochar-paraffin phase change heat storage material, the heat transfer efficiency of the material is effectively improved, the volume change of the materialin the phase change process is stabilized, and the manufacturing cost of the material is reduced.

The invention relates to a carbon nano-tube tire with characteristics of high wear resistance and high roadholding capability, wherein the performance of the tire tread rubber is improved by using carbon nano-tubes with characteristics of ultra-high electric conductivity and high strength. The invention further provides a carbon nano-tube tire preparation method, wherein carbon nano-tubes can be effectively mixed into a rubber for producing a tire tread, and based on a general tire manufacturing raw material, by optimizing the ratio of the base material of the tire tread to the base material of the tire sidewall, compounding modification is performed by adding the carbon nano-tubes. According to the present invention, under the premise of the basically unchanged formulas of the tire treadrubber and the tire sidewall rubber according to the weight part, the multi-walled carbon nano-tubes and the white carbon black are added, and the carbon black for the tire, the type of the raw rubberand other ratios are optimized so as to maintain the size, the weight and the power performance of the tire consistent with the general tire and so as not to reduce various function indexes, such that the hysteresis loss tan[delta] of the composite rubber tire tread rubber added with the hydroxylated multi-walled carbon nano-tubes is increased by more than 20% at a temperature of -25 DEG C, and the roadholding capability of the tire is increased while the wear resistance of the tire is not reduced.