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.

The present invention belongs to the technology field of nanometer material preparing, in particular to a preparing method of layered meso porous water natrium manganese mine type MnO2 alveolate nanometer sphere and hollow nanometer sphere. The present invention takes cheap potassium permanganate and oleic acid as reactant. Acid or alkali processing is not needed. A redox takes place in a neutral aqueous solution. Through controlling a molar ratio of potassium permanganate and oleic acid, monodisperse layered meso porous water natrium manganese mine type MnO2 alveolate nanometer sphere and hollow nanometer sphere can be respectively obtained. The present invention does not need surfactant, is simple in process, low in cost and mild in reaction condition. The layered meso porous water natrium manganese mine type MnO2 alveolate nanometer sphere and hollow nanometer sphere of the present invention are rich in meso porous, big in specific surface area and hole capacity and good in structure stability, which can be used as vector of activator or sorbent. The present invention can also be used as separation material, magnetic material, battery electrode material, oxidative degradation material, desulfurization material or air purification material.

A method for preparing the meat of Hami melon includes such steps as providing fresh Hami melon, washing, disinfecting peeling, slicing immersing in the solution of edible citric acid and the solution of ascorbic acid for 15-30 min in order to protect color, quick freezing vacuum freeze drying and packing.

The invention relates to a preparation method and application of attapulgite clay dephosphorization adsorbent, wherein the preparation method is characterized by comprising the following steps: selecting attapulgite clay ore with the attapulgite content being more than 60 percent, stockpiling and homogenizing, then adjusting the water content of ore to be 40-50 percent by weight, and cutting and extruding by an extruder to form laminar materials; airing or drying the laminar materials, then crushing into powder and granules with different grain diameters; respectively roasting the granules at300-500 DEG C to obtain attapulgite clay dephosphorization adsorption granules with different particle grades; roasting the powder for 0.5-2 hours at 300-500 DEG C to obtain attapulgite clay phosphorus adsorption powder; or pelleting the powder to form granules, then roasting to obtain attapulgite clay dephosphorization adsorption granules. The invention provides a low-cost and high-efficiency absorption material and a method for low-concentration phosphoric water treatment.

The invention discloses a clamp for testing the annular tensile property of a tubular product. An inner liner ring, a middle layer liner ring and an outer liner ring are formed by folding two semicircular rings of the same diameter respectively; the inner liner ring, the middle layer liner ring and the outer liner ring are embedded in sequence, so that a liner ring body is formed; a first inner insert and a second inner insert are semicircles of the same diameter, and are folded to form a circular block; the liner ring body is sleeved on the first inner insert and the second inner insert; a tubular product sample is sleeved on the outer surface of the liner ring body; and the liner ring body on which the tubular product sample is sleeved is embedded into a first fixture block and a secondfixture block. The clamp has a compact structure and is convenient to replaced; components are connected tightly; and measurement of the annular tensile properties of tubular products of various specifications can be realized on an ordinary material tester. Testing of the annular tensile properties of tubular products of which the inner diameters are 60-150 millimeters can be met by only changingthe combination way of the inner inserts and the liner rings, high generality is realized, the testing cost is reduced, and accurate measurement of the annular tensile properties of tubular products is realized.

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 hybrid power underwater glider using battery electric energy and ocean temperature difference energy. The hybrid power underwater glider comprises a front immersion cabin section, a front pressure-resistant cabin section, a middle pressure-resistant cabin section, a rear pressure-resistant cabin section, a rear immersion cabin section, heat exchangers and horizontal wings, wherein the cabin sections are fixedly connected in sequence along a cylindrical rotation axis to form a hybrid power underwater glider body part, the heat exchangers are externally hung on a bellypart of the body, the horizontal wings are horizontally arranged on two sides of the rear pressure-resistant cabin section, the hybrid power underwater glider battery pack has two degrees of freedom of translation and rotation, and can be used for adjusting a pitching attitude angle and a course angle of the underwater glider; a hydraulic device in the main machine body and the heat exchangers form a hydraulic oil path, and in the diving preparation stage of the hybrid power underwater glider, an oil return path works, in the diving gliding stage, a solidification oil path works, in the floating conversion stage, the energy release oil way and the oil pumping oil way work, and in the floating gliding stage, the energy storage oil way works, and the buoyancy driving process is completed bycompounding two forms of energy, namely battery electric energy and ocean temperature difference energy.

The invention relates to aweto biological vacuum freezing and drying method, belonging to the field of preservation method of animals and plants. The aweto biological vacuum freezing and drying method comprises the steps as follows: (1) the aweto absorbs low-temperature atomized water molecular, the water absorption is 75-80%; (2) quick freezing is carried out for 2-5 hours at the temperature of -50-55 DEG C; (3) the vacuum freezing and drying are carried out for 2-20 hours at the temperature of -45-55 DEG C, so as to lead the moisture content of the finished product to achieve 5-9%. The product obtained by the invention can achieve sanitary requirement of edible fungi which can be directly eaten; the product has good water absorption, really achieves the original shape, colour, tastes and nutritive effect of purely wild aweto, improves the real additive values of the aweto and is suitable for long-term storage.

The invention relates to the field of carbon nanometer materials and provides a method for preparing a nitrogen-doped carbon material with uniform metal distribution and application thereof to electro-catalysis. SiO2 coating is an important link to achieve the uniform distribution of metal atoms, can also be an important means to improve the nonmetallic material performance simultaneously and is specifically divided into SiO2 coating in an acidic environment and SiO2 coating in an alkaline environment. The method for preparing the carbon material with uniform metal distribution mainly comprises the following steps: (1) SiO2 coating step; (2) high-temperature annealing step; (3) SiO2 removal step to obtain a carbon-based catalytic material with uniform metal active site distribution. The metal and nitrogen co-doped carbon material catalyst prepared by the method provided by the invention is expected to be applied to the electro-catalytic fields such as carbon dioxide electrochemical catalytic reduction, oxygen reduction, hydrogen evolution and nitrogen fixation.

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 preparation method of free-drying oil-injection sliced agaricus bisporus. The preparation method comprises the following steps: preprocessing, slicing and protecting color and also comprises the steps of sterilizing, cleaning surfaces, dewatering, freezing, conducting vacuum freeze-drying and injecting oil. The freeze-drying oil-injection sliced agaricus bisporus prepared by the method does not damage the original color, aroma and taste and shape of a product; the nutrition ingredients can not be lost, the production efficiency is high, and the yielding rate is high; and the prepared sliced agaricus bisporus has low water content (below 4%) so as to be light in weight, and is easy to store.

The invention discloses a lead-free high-temperature soldering paste for a mobile phone and computer motherboard and a preparation method thereof. The soldering paste is prepared from the following components in percentages by weight: 46% of resin, 18% of a solvent, 7% of a thixotropic agent, 28% of an activator, 0.5% of a corrosion inhibitor and 0.5% of an antioxidant. The invention also discloses a preparation method thereof. By selecting raw materials, adjusting a production process, controlling the viscosity, thixotropy and active releasing time precisely and matching with a reflux curve in an SMT reflux process, defects easily generated in precision welding can be reduced to the maximum extent.

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 relates to a control and charge calculation method for power grid power load peak shift in a short supply situation, and belongs to the technical field of power grid power control. The control and charge calculation method for the power grid power load peak shift in the short supply situation comprises the steps that power consumers submit data of power consuming curves and data of peak shift quotation curves to a power grid company; the power grid company builds a power load peak shift optimizing model according to the data, submitted by the power consumers, of the power consuming curves and the data, submitted by the power consumers, of the peak shift quotation curves; the power load peak shift optimizing model is solved to obtain an optimum control plan of the power consumer peak shift, and peak shift control signals are sent to all the power consumers; the power consumers carry out load peak shift according to the peak shift control signals sent by the power grid company; after power load peak shift is completed, charges of the power consumers involved in the peak shift are shared by power consumers not involved in the peak shift. The control and charge calculation method for the power grid power load peak shift in the short supply situation can improve evenness of the spatial and temporal distribution of power load, and thus power resources are made to be utilized more sufficiently. Precision control of the power grid company over the power consumer peak shift according to needs can be achieved, and the control and charge calculation method for the power grid power load peak shift in the short supply situation has important practical significance and good application prospects.

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 relates to the production field of electronic components, in particular to a microswitch full-automatic assembly production system and a spring sorting and feeding device. The inventionrelates to a spring sorting and feeding device which is assembled automatically by a microswitch. The device comprises a spring centrifugal disk assembly, a spring vibration rail assembly, a seventh mounting seat, a transverse pushing assembly, a lifting and lowering material moving assembly, a longitudinal material moving assembly and a spring turnover assembly. The invention solves the assembling problem that the springs are difficult to be clamped and easy to be deformed. As the springs have a specific bending degree, the shape of the elastic fragments in the transporting process is kept unchanged by a specific carrier, and the yield of the finished products is improved.

The invention discloses a surface treatment method of a perforation ejecting head. The surface treatment method comprises the following steps: (1) spiral or annular matrixes integrated with an ejecting head main body are processed on the peripheral surface and the head end surface of the ejecting head main body; and spiral grooves or annular grooves are formed between the matrixes; and (2) the ejecting head main body obtained in the step (1) is put in a heating furnace for heating up to the temperature of 900-1100 DEG C; an oxidant is fed for keeping the temperature for 5-10 hours; then the temperature is reduced to 800-900 DEG C; the ejecting head main body is slowly cooled to the normal temperature after being discharged from the furnace; and oxide layers are continuously generated at the bottoms of the spiral grooves or the annular grooves, on the side wall surfaces of the grooves and on the surfaces of the matrixes. The surface treatment method of the perforation ejecting head increases the effective thickness of the oxide layers so as to prolong the service life of the ejecting head.

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 relates to the technical field of the processing and production technology of instant jellyfish, in particular to a modified atmosphere production method for edible jellyfish. The method is characterized by comprising the following steps of: (1) soaking and washing; (2) soaking through dilute acetic acid; (3) shredding; (4) re-washing; (5) blanching; (6) cooling and rinsing; (7) draining; and (8) modified atmosphere packaging: namely, packaging drained jellyfish shreds according to a specified weight, such as 100g per packet, under an aseptic condition by using a modified atmosphere of which a proportion is CO2:N2=6:4. Compared with the prior art, the method has the advantages that: a processing operation method is simple; and the product produced by the method does not require any preservative and refrigerated storage, has a shelf life up to 1 month, and is much superior to the conventional instant jellyfish products at the market.

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 discloses a method of keeping burs fresh dewatering. Its production step is: choose burs and wash them, put them to the sodium hypochlorite solution of 100PPM by weight and dip for 5 minutes to kill bacterium, then put them in the rinsing to be washed; through the work of enucleating, put them in the cooling house of -25-40 deg.C,cool them for 8-14 hours; then dry them in the drying house; pack them in the vacuum package. The invention can keep burs the original color and shape; taste is the same to the fresh; low weight and convenient to take, long term to keep, convenient to take and eat.

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.