139results about How to "Extend storage period" patented technology

The invention provides a novel filter stick for cigarettes and a preparation method thereof. Tobacco particles are added in a filter core of the filter stick, tobacco leaves and tobacco smalls are adopted as main raw materials of the tobacco particles and are used as additives after the technical processing such as pulverizing, rotten prevention, granulating, fumigating, perfuming and the like tobe thrown into tows of the filter stick, and then the filter stick containing the tobacco particles or the filter stick with a composite structure can be prepared by adopting a filter stick forming machine. The filter stick can strengthen the adsorption function, can reduce the tar and alleviating the harm, and fragrance of the tobacco particles also can effectively compensate the decreased fragrance of the cigarette caused by the filtering of the filter stick. At the same time, the filter stick is easy to cut and is friendly to the environment.

The invention relates to a preparing method of a rare earth catalytic cracking double-metal deactivator. The method includes steps of: A) mixing 300-600 kg of a mother liquor A, 50-150 kg of a mother liquor B and 5-20 kg of a pH conditioner and stirring; and B) adding 30-80 kg of deionized water, stirring for 30-60 min and discharging. The catalytic cracking double-metal deactivator with wide suitability is developed, thus effectively solving a suitability problem of deactivators.

The invention discloses waterproof crack-resistant foam concrete and a manufacture method thereof. The waterproof crack-resistant foam concrete is formed by mixing and stirring of raw materials including, by weight, 220-350 parts of cement, 90-180 parts of microspheres, 1-6 parts of elastic particles, 0.30-0.45 parts of palm filaments, 60-160 parts of water, 2-9 parts of waterproof admixtures and foam. The waterproof crack-resistant foam concrete and the manufacture method thereof have the advantages that the raw materials such as industrial by-products, tailings powder or waste rubber powder and the palm filaments are adopted, and the multi-scale toughening principle on compounding of the elastic particles and fibers is followed, so that strength and crack resistance of the foam concrete are improved, and waste resource utilization is benefited; the adopted waterproof admixtures are highly compatible with other materials, and accordingly, water resistance and durability of the foam concrete are improved effectively; by the prepared foam which is fine, uniform and high in stability, anti-permeability and thermal performance of the foam concrete are improved; the foam concrete is applicable to heat insulation of building walls and roofs and roadbed refilling materials for highways in regions with soft soil and high water level.

The invention provides a driving event recording method and system. The method comprises acquiring vehicle data, judging whether an event occurs according to the vehicle data, if the event occurs, taking a picture corresponding to the event, carrying out associative storage on the picture and the event name on local, showing the name of one or more events to a user so that the user can select an interested event, extracting the picture associated with the interested event on local, carrying out remote storage on the extracted picture, and showing the remotely stored picture to the user. The system can take a picture only when an event occurs so that the amount of driving event recorded data is reduced. The user can conveniently check all pictures obtained by the system.

The invention discloses a resin composition, a composite material and a preparation method thereof. The invention particularly discloses a resin composition. The resin composition comprises a composition A and 100-500 parts of fiber reinforcements, wherein the composition A comprises 20-95 parts of dicyclopentadiene, 5-80 parts of epoxy resin, 30-70 parts of an epoxy resin curing agent, 0.1-3 parts of a curing accelerator and 0.1-4 parts of a catalyst composition; and the catalyst composition comprises a ruthenium carbene compound as shown in a formula I or a salt thereof, and chlorinated paraffin, wherein the chlorine content of the chlorinated paraffin is 5%-65%. The resin composition can be stored for a long time, the resin material prepared from the resin composition has good mechanical properties such as tensile strength, tensile modulus and elongation at break, and in addition, the preparation process of the resin material is suitable for industrial continuous production.

The invention provides an adhesive for an aluminum battery packaging aluminum plastic film, the aluminum plastic film and a preparation method of the aluminum plastic film. The adhesive at least comprises the following components in percentage by mass: 10-15% of a main resin, 1-3% of a curing agent, 0.5-1%of a tackifying resin, 0.1-0.5% of an anti-hydrolysis agent and 65-90% of a solvent, whereinthe main resin comprises one or more of maleic anhydride modified styrene, polypropylene and a polyolefin elastomer; the curing agent comprises a mixture of one or more polymers in an epoxy resin system. In the aluminum plastic film, the adhesive is coated on the surface of an adhesive layer of a cast polypropylene film, and dried to serve as an inner adhesive layer. The inner adhesive layer is used for dry compounding of an aluminum foil layer of the aluminum battery packaging aluminum plastic film and the cast polypropylene layer, so that aluminum plastic film products have high adhesion andelectrolyte resistance; in addition, the adhesive has a relatively long storage cycle.

The invention discloses a preparation method of a magnetic immobilized cellobiase nano mesoporous material, which comprises the following steps: a sol forming step: dilute acid is taken as a catalyst for hydrolyzing tetraethoxysilane to form transparent sol, ethanol is dissociated from the sol until mass content is less than or equal to 5%; and a gel forming step: a template solution, a cellobiase buffer and magnetic nanoparticles Fe3O4 in sol under stirring, adjusting a system to neutrality by a dilute alkali solution, and placing to generate the gel. The invention also discloses the magnetic immobilized cellobiase nano mesoporous material prepared by the method. aperture of a nano medium material obtained by the method is about 2-7 nm, so that specific surface area is high; the nano medium material can be gathered in short time under magnetic field effect, so that recovery and usage are convenient; and the nano medium material has the advantages of high biological activity and reutilization.

The invention discloses a line-scanning X-ray tube digital imaging detection device, which comprises a detection device fixation ring, a ray machine mobile base, a ray machine fixation device, a detector mobile base, a detector dismounting device, a ray machine and a linear array detector. The detection device fixation ring is arranged outside a tested steel tube; the ray machine and the linear array detector are arranged at the upper and lower ends of the detection device fixation ring respectively, move along an arc guide rail through an arc toothed bar and move circularly outside of the detected steel tube, and meanwhile, enable X-ray for synchronous flaw detection to finish real-time imaging detection of pipeline butt welding seams. The detection device not only overcomes many disadvantages of traditional film detection technology, improves detection efficiency, but also overcomes the defects of low guidance accuracy and poor detection effect of the imaging plate X-ray pipeline inspection technology, greatly reduces cost and is more suitable for wide popularization and application.

The invention provides modified melamine formaldehyde resin with high flexibility. The modified melamine formaldehyde resin is prepared from the following raw materials in parts by weight: 100 parts of melamine, 160-220 parts of formaldehyde, 10-20 parts of isocyanurate, 5-10 parts of fatty acid amide, 5-8 parts of polyethylene glycol, 3-6 parts of alkylphenol polyoxyethylene ether, 2-5 parts of sodium hydroxide, 40-60 parts of alcohol and 20-30 parts of water. The modified melamine formaldehyde resin with high flexibility disclosed by the invention can be used for effectively prolonging the polymerization time of the modified melamine formaldehyde resin, increasing the storage period of the modified melamine formaldehyde resin and improving the flexibility of the resin. A resin modifying component contained in the modified melamine formaldehyde resin with high flexibility can participate in the copolycondensation reaction of the resin to change the resin structure, so that the cross-linking density is lowered, and thus, the foam strength is increased, the flexibility is increased and the brittleness is lowered. The modified melamine formaldehyde resin is full of elasticity and the stability of the modified melamine formaldehyde resin is increased.

The invention relates to a high-strength aluminum alloy material for a fastener and a preparation method of the material. The high-strength aluminum alloy material for the fastener is prepared from, by weight, 0.3%-0.5% of iron, 0.2%-1.0% of silicon, 0.4%-1.2% of copper, 0.1%-0.6% of scandium, 0.3%-1.1% of manganese, 0.01%-0.1% of lithium, 0.1%-0.5% of zirconium, 0.5%-1.3% of magnesium, 0.01%-0.1%of cerium, 0.01%-0.1% of yttrium, 0.05%-0.25% of chromium, 0.002%-0.02% of nickel, 0.1%-0.5% of zinc, 0.01%-0.06% of boron, 0.01%-0.05% of titanium, 0.01%-0.05% of vanadium and the balance aluminum;the ratio of the weight percentages of magnesium and silicon is not smaller than 1.042, the ratio of the weight percentages of iron and silicon is not smaller than 0.32, the sum of the weight percentages of scandium and zirconium is smaller than or equal to 1.2%, the sum of the weight percentages of lithium, cerium, yttrium and zinc is smaller than or equal to 0.52%, and the sum of the weight percentages of chromium, titanium and vanadium is smaller than or equal to 0.3%. Compared with the prior art, according to the high-strength aluminum alloy material for the fastener, the high specific strength, the high shear strength, the excellent plasticity and toughness and the corrosion resistance are achieved, and the safe reliability can be significantly improved while the weight of the fastener is greatly lowered.

The invention discloses granite-simulative multi-color paint and belongs to the field of building paint. The granite-simulative multi-color paint comprises, by weight, 70-80 parts of base paint and 20-30 parts of multi-color composite rock slices. The base paint comprises, by weight, 440-460 parts of deionized water, 460-480 parts of an emulsion, 25-35 parts of a 2,2,4-trimethyl-1,3-pentanediol monoisobutyrate film-forming assistant, 1-2 parts of a pH conditioning agent, 2-3 parts of a wetting agent, 1.5-2 parts of propylene glycol, 1.5-2.5 parts of an antiseptic, 1-2 parts of an antifoaming agent and 2-3 parts of a thickening agent. The multi-color composite rock slices have diameter of 4-8mm and thickness of 0.25-0.35mm. The invention provides a preparation method of the granite-simulative multi-color paint. The preparation method has simple processes. The granite-simulative multi-color paint has a long storage period, can be simply and conveniently constructed and satisfies building decoration demands.

The invention relates to a silt adhesive and a preparation method thereof. The silt adhesive is characterized by being prepared by mixing the raw materials including 1.0 to 10 percent of starch adhesive, 0.1 to 5 percent of polymer emulsion, 0.1 to 1 percent of plasticizer, 5 to 30 percent of clay, 0.01 to 0.5 percent of assistant and 55.5 to 93.97 percent of water. The silt adhesive has the characteristics of providing a micro environment suitable for plants to grow, along with excellent solidification effect, low cost and environmental protection.

The invention discloses a preparation method of easily-preserved marine small trash enzymolysis full-fish cream rich in small peptides. The preparation method comprises the following steps: (1) granulating, taking fresh marine small trash full fish as raw material fish, and carrying out staging smashing until the fish is of protein grains with the maximum sizes of below 5 mm; (2) carrying out micronization, shearing at superhigh speed until the protein particle slurry is 150 meshes or more; (3) carrying out miniaturization, heating until the miniaturization temperature is 55 to 75 DEG C, enabling an ultrasonic probe to extend into an accommodating groove to act on miniaturized ultrasonic waves to prepare miniaturized protein activated slurry; (4) carrying out enzymolysis, heating around microwave until the enzymolysis reaction temperature is 40 to 65 DEG C, putting protease with the raw material fish weight of 0.01% to 2% into the protein particle slurry, carrying out microwave and ultrasonic enzymatic hydrolysis reaction, circularly and alternately applying 10 to 20 minute per time, and carrying out an enzymatic hydrolysis reaction for 20 to 60 min to obtain the enzymolysis protein slurry; carrying out inactivation fermentation, carrying out vacuum concentration until the water content is 40wt% to 60wt%, namely obtaining the easily-preserved marine small trash enzymolysis full-fish cream rich in small peptides. According to the preparation method, the full-fish cream rich can replace a feed protein source as an aquaculture economic feed.

The invention belongs to the technical field of gas purification treatment, relating to a catalyst for removing low-concentration formaldehyde in gases and the application thereof. The catalyst is characterized by using at least two of Ag, Co, Fe and Cu as main active components which are loaded on an HZSM-5 type molecular sieve carrier and are 1-20 percent by weight of the catalyst. The catalyst is filled in a reactor and applied to two alternately operating stages, i.e. a storage stage and a regeneration stage, wherein the reactor can be inflated with ozone, can be used for heating at a controlled temperature and can carry out DBD (Dielectric Barrier Discharges). At the storage stage, low-concentration formaldehyde in the gases is firstly stored on the catalyst; and at the regeneration stage, ozone or oxygen-contained gas is introduced for heating or carrying out the DBD so that the formaldehyde stored on the catalyst is fully oxidized into carbon dioxide and water, wherein the oxygen content in the introduced oxygen-contained gas at the regeneration stage is 20-100 percent, and air can be directly used as the oxygen-contained gas at the regeneration stage. In the invention, the provided catalyst with the function of selective storing and catalytic oxidation on the formaldehyde has the advantages of low energy consumption and no secondary pollution, is extremely suitable for removing low-concentration formaldehyde in gases and is particularly suitable for removing formaldehyde pollutants in indoor air.

The invention discloses a timed-stopping air sampler with a long-term storage function and belongs to air-quality detection devices of buildings. The timed-stopping air sampler is characterized by comprising a timed triggering base and a sampler main body arranged on the timed triggering base, wherein the sampler main body comprises a main-body case and two sealing devices which are same in structure and are symmetrically arranged in the main-body case; an automatic locking mechanism is arranged between the opposite side walls of the two sealing devices in the main-body case; an unlocking wedge block is arranged under a self-locking lever; and the position of a triggering rod of the timed triggering base corresponds to the unlocking wedge block. The timed-stopping air sampler disclosed by the invention has the advantages that the structure is simple, the independent package of the sampler main body is realized, possible pollution in the transportation and storage process is eliminated, and the storage and transportation period can be prolonged; the sampler main body is internally provided with two sets of sealing devices with same structures, and the sealing devices are used for eliminating errors caused by the fact that VOC emitted by the sealing devices and VOC generated in the storage and transportation environments penetrate through the sealing devices, so that the detection accuracy is greatly improved.

The invention discloses a friction material, a brake pad prepared by the friction material and a preparation method of the brake pad. The preparation method of the brake pad comprises the following steps that (1) preparation of a copper-free metal friction material is performed; (2) hot-pressing molding is performed, wherein the copper-free metal friction material in the step (1) is placed in a hot-pressing mold cavity to be spread and flattened, a cushion layer material is put in the hot-pressing mold cavity to be spread and flattened, a steel backing is placed, hot-pressing molding is performed, and then demolding is performed; (3) a demolded sample undergoes heat treatment, and then is cooled to room temperature; and (4) post-treatment is performed on the sample after being treated in the step (3) to prepare the brake pad. According to the preparation method of the brake pad, the storage, transport cycle and oxidation resistance of the friction material in the brake pad can be obviously improved through rust prevention treatment.

The invention provides a foam concrete foaming agent which comprises the following raw materials in percentage by weight: 100% of water, 6%-10% of saponin, 2%-5% of sodium dodecyl sulfate, 1%-4% of polyethylene glycol, 0.02%-3% of benzoic acid and 0.8%-3% of cellulose. The invention further provides a preparation method of the foam concrete foaming agent. The surfactants, namely the sodium dodecyl sulfate and the polyethylene glycol are adopted, so that a foaming effect of the foaming agent is uniform and can be further improved; moreover, the benzoic acid is capable of effectively overcoming the shortcoming of easiness in mildewing of the foaming agent and prolonging the storage cycle of the foaming agent.

The present invention discloses a concrete mold release agent and a preparation method thereof. The raw material formula of the mold release agent is that: the amount of water is 80-95% of the total mass, a mass ratio of lard to rosin is 5:1, and other materials comprise, by the total amount of the lard and the rosin, 10-26% of sodium hydroxide, 10-30% of an emulsifying agent, 0.1-1% of tributyl phosphate, 0.2-1.5% of formaldehyde, 0.3-2.2% of dodecyl betaine, and an appropriate amount of organic montmorillonite. The preparation method comprises: carrying out a saponification reaction of lard, rosin and sodium hydroxide at a temperature of 95-105 DEG C under a mechanical stirring condition, and then adding other additives to obtain the finished product. Compared with other types of mold release agents, the mold release agent of the present invention has advantages of stable quality, longe product storage period, low use concentration, long service life, repeated use after one spraying, low pollution on the product after mold releasing, no influence on secondary product processing, maintenance performance providing and the like.

The invention relates to a tough road surface base layer material solidifying agent and a preparation method thereof. The tough road surface base layer material solidifying agent is characterized by being formed by mixing the following components in percentage by weight: 5 to 40 percent of polymer emulsion, 2 to 20 percent of viscosity increaser, 1 to 30 percent of inorganic adhesive, 0.1 to 5 percent of auxiliary agent and 5 to 91.9 percent of water; the polymer emulsion is one or mixture of phenyl propyl emulsion and polyacrylic acid emulsion; the viscosity increaser is one of emulsified petroleum resin, emulsified asphalt and asphalt resin extract emulsion and one or mixture of emulsified abietic resin and acrylate; the inorganic adhesive is water-soluble silicate; and the auxiliary agent is one or two of preservative, wetting and dispersing agent and defoaming agent. The tough road surface base layer material solidifying agent used in the construction of a tough road surface base layer has the advantages of high solidifying strength, good water stability and low cost.

The invention relates to a nuclear waste material storing and transporting barrel based on modified concrete, which comprises a barrel cover (1) and a barrel body (2). The invention is characterized in that both the barrel cover (1) and the barrel body (2) are in concrete structures, special metal wires and modifying agents are added into the concrete structures, a nuclear waste material positioning device (3) is fixed in an inner cavity of the barrel body (2), the lower part of the nuclear waste material positioning device (3) is fixed to the bottom of the inner cavity of the barrel body through a screw thread structure (4), the upper part of the nuclear waste material positioning device (3) is hanged and arranged on a cross beam (9), a lug boss body inserted into the barrel body (2) is arranged on the barrel cover (1), the step surface of the barrel cover (1) and the inner step surface in the position of a barrel opening of the barrel body (2) are matched and positioned, and the barrel cover (1) and the barrel body (2) are connected with connecting screw bolts (8) through a pressing plate (6). The invention has the advantages of simple and reasonable structure, high intensity and good radiation resistance performance.

The invention discloses a preparation method for a metal deactivator applied to catalytic cracking and the metal deactivator prepared by using the same. The preparation method comprises the followingsteps: a, mixing antimony trioxide, hydroxycarboxylic acid, a rare-earth salt, a pH value conditioning agent and water and carrying out a reaction at a temperature of 20 to 90 DEG C for 30 to 60 min so as to obtain a first product; and b, mixing an oxidizing agent with the first product obtained in the step a, and carrying out a reaction in an enclosed container at a temperature of 100 to 150 DEGC for 1 to 2 h so as to obtain the metal deactivator applied to catalytic cracking. The preparation method for the metal deactivator applied to catalytic cracking has the advantages of simple process,short reaction time, low cost and reduction in energy consumption, and produces substantial economic benefits. The metal deactivator prepared by using the method has a good nickel and vanadium passivation function when applied to a catalytic cracking reaction and can obviously increasing the yield of light oil and reducing the proportions of coke and dry gas in a product.

The invention discloses a manufacturing method of an aluminum-based cover plate for drilling of a printed circuit board. The manufacturing method comprises the steps of: reacting the following constituents in a certain part by weight: diisocyanate, polyester diol or polyether diol (I), a catalyst and a solvent, adding a chain extender and the diisocyanate for continuous reaction, and adding the solvent to obtain a first polyurethane solution; in addition, reacting the following constituents in a certain part by weight: the diisocyanate, polyester diol or polyether diol (II), the catalyst and the solvent, adding the chain extender and the diisocyanate for continuous reaction, and adding the solvent to obtain a second polyurethane solution; then uniformly mixing the two polyurethane solutions, adding the solvent to prepare a polyurethane solution with a certain concentration, standing and de-foaming; and coating the obtained polyurethane solution onto the upper surface of an aluminum foil, drying and cooling to obtain the aluminum-based cover plate. The aluminum-based cover plate manufactured by the manufacturing method disclosed by the invention is capable of improving the location accuracy of holes and reducing the section drilling rate, and is favorable for solving the problems on uneven coating surface, shrinkage cavity, pastiness and the like.

The invention relates to a method for efficiently preserving Sclernderma guani, belonging to the technical field of insect cultivation. The method comprises the following steps: putting mated Sclernderma guani female bees on insect larvae or pupae in the early pupation period to lay eggs; after culture and cocooning, growing in a culture box at 20-30 DEG C under the humidity of 40-60% for 6-8 days; and cooling to 1-4 DEG C at the rate of 2-4 DEG C / hour, and preserving the bee cocoons for 120-360 days. When the Sclernderma guani is in use, the process comprises the following steps: heating the preserved bee cocoons to 8-12 DEG C at the rate of 2-4 DEG C / hour, and keeping the temperature for 4-6 hours; transferring the bee cocoons to natural illumination conditions or an artificial lighting envelopment with the illuminance of 200-500lux, and reviving at 20-30 DEG C under the humidity of 50-70% for 48-72 hours, thereby naturally emerging into Sclernderma guani adults. The cold storage time of the Sclernderma guani can be prolonged to 180-360 days at the low temperature of 1-4 DEG C in the form of cocoons, and the survival percent after long-term freezing can be ensured.

The invention provides three-dimensional gorgeous paint as well as a preparation method and a construction process thereof. The three-dimensional gorgeous paint comprises the following components in parts by weight: 200-500 parts of water, 0.1-5 parts of a wetting agent, 0.1-4 parts of a preservative, 0.1-5 parts of a defoaming agent, 5-30 parts of propanediol, 10-50 parts of a film forming aid, 0.1-4 parts of a pH value regulating agent, 200-500 parts of a pure acrylic emulsion, 1-30 parts of a thickening agent and 100-400 parts of colored solid dry particles. The preparation method comprises the steps of after uniformly dispersing water, the wetting agent, the preservative, the defoaming agent, propanediol, the film forming aid, the pH value regulating agent and the pure acrylic emulsion, adding the thickening agent, uniformly stirring, adding the colored solid dry particles, and uniformly mixing to obtain the three-dimensional gorgeous paint. The three-dimensional gorgeous paint has the beneficial effects that the raw materials are wide in sources, easily and conveniently available and relatively low in cost; furthermore, the preparation process is simple, the product system is stable, the construction is easy and convenient, and the limits that existing colored paint is tedious in colour modulation, complex in production process and high in construction requirement are thoroughly changed.

The invention discloses a high-quality powder recovery device. The device comprises an annular working table and supporting legs, wherein the supporting legs are arranged at the bottom of the annularworking table; vibration motors are arranged at the two ends of the annular working table, and output shafts of the vibration motors are provided with a screening box; a left cavity, a powder screening cavity and a right cavity are arranged in the screening box respectively; an air inlet pipe is arranged at the upper end of the screening box, and an air outlet pipe and powder outlet pipes are arranged at the bottom of the screening box; an air inlet hole is formed in the bottom of the left cavity, an air outlet hole is formed in the upper end of the right cavity, and a first screen, a secondscreen and a third screen are sequentially arranged in the powder screening cavity from top to bottom; a stirring box is arranged above the screening box, a first motor is fixed at the upper end of the stirring box, an output shaft of the first motor is connected to a stirring shaft, and a plurality of stirring rods are arranged on the stirring shaft; a grinding box communicating with the stirringbox is arranged at the upper end of the stirring box, two grinding wheels are arranged in the grinding box side by side, and gears meshed with each other are arranged at one ends of the grinding wheels; and a second motor is arranged on the side surface of the grinding box, and a powder feeding pipe is arranged at the upper end of the grinding box. According to the high-quality powder recovery device, the purity of the recovered powder is improved, and the storage period and the storage quality of the powder are prolonged.

The invention relates to an antioxidant. The antioxidant comprises benzotriazole, oleic acid, fatty acid methyl ester, an emulsifier, a metal antirust agent, triethanolamine, water and the balance a volatile solvent. The invention further discloses application of the antioxidant for cleaning carbide on the surface of a copper material. The invention further discloses a copper material annealing method. The copper material annealing method comprises the step of adding the antioxidant into annealing water. Compared with the prior art, the antioxidant has the beneficial effects that after the surface of the copper material is annealed and softened, the carbide can appear on the surface of the copper material, the antioxidant is added into bare copper material annealing water in advance, the carbide on the surface of the copper material is effectively cleaned, the brightness of the surface of the copper material is improved, the tension of the surface of the copper material is effectivelyreduced, and after the copper material is wiped and blown, residues of water molecules attached to the surface of the copper material are greatly reduced, the storage period of the bare copper material is effectively prolonged, and the surface of the copper material are not easy to generate hard spots, dark spots or black spots. The oxidation resistance of the copper material is effectively improved.

The invention provides high-toughness and water-resistant modified melamine urea-formaldehyde resin. The high-toughness and water-resistant modified melamine urea-formaldehyde resin is prepared from the following raw materials in parts by weight: 80 parts of urea, 160-220 parts of formaldehyde, 10-20 parts of melamine, 5-10 parts of fatty acid amide, 5-8 parts of polyethylene glycol, 3-6 parts of alkylphenol ethoxylate, 2-5 parts of sodium dihydrogen phosphate, 1-3 parts of hydrochloric acid and 20-30 parts of water. The high-toughness and water-resistant modified melamine urea-formaldehyde resin provided by the invention can effectively improve the toughness and water resistance of the urea-formaldehyde resin. A resin modifying component contained in the high-toughness and water-resistant modified melamine urea-formaldehyde resin provided by the invention can participate in co-condensation polymerization reaction of the resin to change the resin structure and reduce crosslinking density, thereby increasing foam strength, increasing toughness, reducing brittleness, being rich in elasticity and increasing stability.

The invention relates to a data management method for a battery management system. The battery management system comprises a main control unit and auxiliary control units connected with the main control unit. The auxiliary control units are respectively provided with a storage circuit. The auxiliary units and the main control unit are respectively connected with an upper computer through a CAN bus to achieve data communication. When the battery management system runs, the auxiliary control units collect various parameter data of each single battery inside battery packs corresponding to the auxiliary control units respectively, and store the parameter data into the storage circuits of the auxiliary control units in a paging mode. The main control unit is controlled to only receive and store various extreme value messages of the single batteries inside the auxiliary control units and fault messages and event data in the system running process. According to the battery management system, data storage occupied space is reasonable, system freedom can be saved, and data are conveniently called and used.

The invention belongs to the technical field of briquette coal preparation, and in particular relates to a method for preparing a composite biomass type coal adhesive. The method comprises the following steps: by plant starch as a raw material, performing oxidation with ferric sulfate and hydrogen peroxide so as to obtain oxidized starch, further drying furfural residues in the air, crushing, pretreating with a sulfuric acid solution, performing cross-linking modification on the oxidized starch, biomass gum, sodium humate and the like so as to improve the affinity with powdered coal granules and feed the mixture into micropores of powdered coal to moisten the surface of the powdered coal, further compounding with the pretreated furfural residues, a polyvinyl alcohol solution and the like, and loading calcium hydroxide by a great deal of cellulose in the furfural residues for synergic sulfur fixation, thereby obtaining the composite biomass type coal adhesive. The composite biomass type coal adhesive provided by the invention is relatively good in adhesion and sulfur fixation functions, has relatively good effects of damp and water resistance, combustion performance and pressure and crushing resistance of improved coal, and is relatively good in storage stability.

The invention discloses organic potash fertilizer, which comprises mixtures of potassium sources, organic matters, humic acid and fillings, wherein the recipe of the mixtures comprises the following ingredients in parts by weight: 8 to 30 parts of potassium sources, 13 to 35 parts of organic matters, 15 to 25 parts of humic acid and 30 to 65 parts of fillings. The potassium sources can improve the crop stress resistance such as drought resistance, cold resistance, lodging resistance and diseases and insect pest invasion capability. The organic matters can improve the physical property of soil. The humic acid has good soil acid-base change buffer property, and the saline-alkali soil improvement effect is obvious.