31results about How to "Reduce pollution problems" patented technology

The invention discloses a single-component, high-solid-content and low-volatility organic compound (VOC) and environment-friendly type varnish composition. The varnish composition comprises at least one polymer with a hyper-branched or tree-shaped structure, at least one hydroxyl acrylic resin or hydroxyl methacrylic resin, at least one cross-linking curing agent, at least one acid catalyst, at least one rheology control agent and at least one auxiliary agent. With the adoption of the varnish composition and application of the varnish composition, disclosed by the invention, the viscosity of a varnish coating system can be effectively reduced, and the solid content of the construction can be easily improved to be 58 percent or above; construction VOC emission is reduced to be smaller than or equal to 420g/L; varnish film shrinkage caused in a curing process can also be effectively reduced and a cured multi-coating varnish film has better appearance effect; particularly, the effect in a wet-on-wet process, a three-coating and one-drying process of curing three coatings together or an IPP system of primers, paints and varnishes is obvious.

The invention relates to an environment-friendly electromagnetic shielding coating for inner walls of buildings and a preparation method of the environment-friendly electromagnetic shielding coating. The environment-friendly electromagnetic shielding coating is prepared from the following components by weight percentage: 60-80% of conductive powder, 18-30% of waterborne acrylic resin and 2-10% of organic assistant. The preparation method comprises the following steps: firstly, weighing the above components by weight percentage; secondly, adding conductive mica, a chelating agent, an anti-settling agent and a dispersing agent into the waterborne acrylic resin, and fully stirring for 20min by a stirrer; thirdly, adding graphite and carbon black into the coating respectively and fully stirring for 10min; fourthly, rolling the premixed coating by a three-roll machine for three times, dispersing agglomerated graphite and carbon black to be uniformly distributed around the conductive mica and generating extrusion force to enable the conductive ingredients to be combined compactly, so as to form a good conductive network. The environment-friendly electromagnetic shielding coating is safe to use, resources and energy are saved, and environment pollution and public hazard can be reduced; and the preparation method is convenient and easy to operate, and the conductivity is greatly improved.

The invention discloses a simple method for preparing a compound adsorbing material by straws and coal gangues together. The simple method is characterized by comprising the following steps: using the crop straws and the coal gangues as raw materials, firstly obtaining powdery material with a certain particle size range through drying, crushing and screening respectively, then uniformly mixing the crop straws and the coal gangues according to certain proportion, putting the mixture into a crucible, compacting, and conducting calcination processing in a muffle furnace so as to obtain the compound adsorbing material finished product. According to the invention, the comprehensive utilization field of the crop straws and the coal gangues is expanded, the preparation process is simple, complex operation is not related, the cost is low, the effect of the simple method when being applied to the field of sewage purification is obvious, and the adsorption performance is excellent.

The invention discloses a flow cytometry counting method for energetic thalluses of tomato ulcer germs. The invention discloses a method for detecting energetic thalluses of a sample to be detected. The method comprises the following steps: performing SYTO9 dying on the sample to be detected, and counting by using an absolute counting tube, thereby obtaining the total cell number or total cell concentration of the sample to be detected. By adopting the method that the flow cytometry is combined with the absolute counting tube, rapid and accurate quantification of the tomato ulcer germs is achieved, the problem of quantitative detection on the energetic tomato ulcer germs is solved, and the method can be both used in basic microbiology study on tomato ulcer germs and used in detection on pathogen, disease diagnosis and plant quarantine in agriculture production, and has wide application prospect in the field of microbiology and plant protection.

The invention relates to a recovery processing technology for metal wastes, which mainly comprises steps of arranging and picking, crushing, washing, drying and transporting. The recovery processing for the metal wastes is low in cost, simple in procedure and high in reuse frequency. According to the ingredients of waste wires, the use of the waste wires, by the adoption of different use ways, can bring about a certain economic benefit and reduce social public hazard and pollution.

The invention relates to a method for preparing baked charcoal with discarded poplar wood and belongs to the technical field of biomass utilization. In the method, the baked charcoal is prepared by: subjecting discarded poplar wood from industrial processing as a raw material to pulverizing, air drying and pyrolysis. The pyrolysis is carried out with a tubular furnace in the carbon dioxide atmosphere at 240-340 DEG C for 20-60 min. The method enables the discarded poplar wood from industrial processing to be utilized effectively, benefiting environmental protection; pyrolytic conditions are mild, no high-tension equipment is required, and production equipment is simple; the quality of a produced product is greatly higher than that of the raw material, the product has caloric value up to 25 MJ/kg and the product has a promising industrial application prospect.

The invention relates to a golf club head surface processing method which mainly includes conducting nitridation and two-stage oxidation on a club head formed by a carbon steel material, matching surface processing and washing steps such as grinding and sand blasting, and then conducting polishing, oil immersing and the like to enable the club head to have the even black surface appearance and achieve good corrosion resistance and abrasion resistance. The surface of the club head cannot be stripped and the like. The club head surface processing method achieves the effects of low pollution, low cost and the like and solves the problems of high pollution, high cost, coating film stripping and the like of the existing carbon steel club head adopting rust prevention technologies like a galvanized or plasma coating film.

The invention relates to an anti-impact residual clay residue regenerative baking-free brick and a preparation method thereof. The anti-impact residual clay residue regenerative baking-free brick is mainly prepared from the following components: the residual clay residue with gravel soil as a main component, cement and basalt fibers. According to the anti-impact residual clay residue regenerativebaking-free brick disclosed by the invention, by means of spatial mesh distribution doped with the basalt fibers, the development of cracks is controlled, impact resistance is improved, and all performance indicators of the baking-free brick can be satisfied; the anti-impact residual clay residue regenerative baking-free brick is suitable for a protecting structure for masonry engineering; meanwhile, by recycling the residual clay residue, the pollution to the environment is reduced; in addition, the preparation method has the advantages of simple technology, high treatment efficiency, high treatment quantity, good field application effect, and better economic benefit and social benefit; novel building materials which use the residual clay residue and other non-clay materials as main raw materials are developed, and important practical significance is achieved; huge output of the novel building materials also provides a broad prospect for the production of the baking-free bricks.

The invention relates to a multifunctional operating agricultural implement and belongs to agricultural machinery. The multifunctional operating agricultural implement comprises a machine frame, and further comprises a motor, a control device, a transmission device, a walking device and an operating device which are located on the machine frame. The motor is connected with the control device through a wire. The motor is connected with the transmission device through a motor power shaft chain wheel connected with the motor. The transmission device is respectively connected with the walking device and the operating device. The multifunctional operating agricultural implement is characterized in that the control device is connected with an external connected storage battery through a positive electrode and negative electrode conversion switch, and the machine frame is further provided with a power base where the external connected storage battery can be placed. According to the multifunctional operating agricultural implement, the level of agricultural mechanization and operating efficiency can be improved, operating time of agricultural production is shortened, and the operating agricultural implement is multifunctional.

The invention discloses a water-based ink which comprises the following materials in parts by weight: 10-25 parts of a pigment, 25-40 parts of a binding material, 35-70 parts of a solvent, 1-3 parts of a defoaming agent, 1-3 parts of a leveling agent, 2-5 parts of a 5A molecular sieve, 1-2 parts of fumed silica, 2-5 parts of a dispersant, 0.5-1.5 parts of an adhesion promoter, 1-3 parts of ethanolamine, 3-5 parts of triethylamine, 1-3 parts of 2-amino-2-methyl-1-propanol, 2-3 parts of a drying retarder and 1-2 parts of gummy oil. The water-based ink provided by the invention can enhance the adhesion force of the ink, prevents the ink from ink penetration, ink melting and other phenomena, and has high stability, long storage time, a certain anti-drying capacity and low pollution.

The invention discloses an environment-friendly low-noise wind-driven generator, and belongs to the field of wind-driven generators. According to the environment-friendly low-noise wind-driven generator, by changing influence of a wind wheel on surrounding airflow, the wind wheel is not prone to forming periodic low-frequency sound waves in the working process, generated periodic low-frequency noise of the wind wheel in the working process is reduced, aiming for noise generated by a generator unit, a speed change gearbox and other structures in a unit outer cover, the unit outer cover can be arranged in a completely sealed structure, so that the probability of noise external transmission when the generator unit and the speed change gearbox work is reduced, the low-frequency noise which isexternally transmitted in the working process of the wind-driven generator is greatly reduced, the pollution problem of the wind-driven generator is reduced, the position which is close to an electricity consumer is selected when the wind-driven generator is constructed, the selection possibility of wind-driven generator construction is increased, and the remote transmission loss of wind power generation is reduced.

The invention discloses a vegetable seedling substrate and a preparation method thereof. The preparation method of the vegetable seedling substrate comprises the following steps of firstly, conductingmixed substrate fermentation treatment on a mixed substrate; then adding fermentation treatment rice washing water into a fermented mixed material; and conducting drying treatment to obtain the vegetable seedling substrate, wherein the mixed substrate is prepared from vermiculite, peat and cow dung compost. The prepared vegetable seedling substrate is high in nutrient substance content and good in air permeability and water permeability, and the purposes of increasing the emergence rate of vegetables and promoting seedling growth are achieved under the condition that the peat is reduced.

The invention belongs to the technical field of coating, and particularly relates to a terrace surface coating method and a coating body obtained with the terrace surface coating method. The coating method includes the following steps: (1) primer is coated on the smooth terrace surface, and microwaves are used for heating solidification; (2) paint is coated on the coating surface obtained in the step (1), and ultraviolet light is used for polymerization; (3) finishing coatings are coated on the coating surface obtained in the step (2), and the ultraviolet light is used for polymerization. The coating body obtained with the method has the advantages of being high in curing speed and free of bubbles.

The invention relates to a spunlace/electrostatic spinning nanofiber mask and a preparation method thereof. The mask sequentially comprises mask base cloth and electrostatic spinning fibers containing a nutrient solution, wherein the electrostatic spinning fiber containing the nutrient solution is prepared from raw materials including bone collagen peptide powder, a thickening agent, a rhizoma typhonii extract, hyaluronic acid, sodium carboxymethyl cellulose, an aloe extracting solution, glycerol, butanediol and water through electrostatic spinning. Compared with a formula in the prior art, the product is higher in effectiveness and safety, good in moisturizing effect and capable of improving absorption of a human body, increasing the epidermis repairing speed and promoting wound healing.

The invention discloses morinda officinalis iridoid compounds with anti-inflammatory activity, a preparation method and application thereof, specifically iridoid compounds with anti-inflammatory activity, wherein the structural formulas of the iridoid compounds are respectively shown as formulas I and II. According to the invention, two new iridoid compounds are extracted and prepared from the ground part of morinda officinalis for the first time, the chemical structures and physicochemical properties of the two iridoid compounds are confirmed through modern spectroscopy means such as HR-ESIMS, NMR, IR, UV and the like, and the pharmacological activities of the two new iridoid compounds are verified through cell experiments; and the two novel iridoid compounds both show an excellent anti-inflammatory effect, have an obvious inhibition effect on NO generation, can effectively reduce the expression of proinflammatory factors iNOS, COX-2, TNF-alpha, IL-1beta and IL-6, can reduce the inflammatory reaction caused by the overexpression of inflammatory factors, and can be used as a lead compound for developing novel anti-inflammatory drugs.

The invention relates to the technical field of blood culture, in particular to a blood sampling assistor, a blood sampling device and a method for reducing blood culture pollution rate. The blood sampling assistor comprises a tube body 1, a first interface 2 and a second interface 3, wherein the tube body 1 is provided with an isolation cavity 4. The blood sampling assistor and the blood samplingdevice can realize isolation of front-section blood of venous blood sampling, so that trace skin colonization bacteria are isolated in the cavity, and the blood culture pollution rate can be reduced.

The invention discloses novel drying equipment for a refractory material. The novel drying equipment comprises an external-expansion support and a conveying pipe body; an inward-sunken groove is formed in one side of the external-expansion support, and the interior of the inward-sunken groove is movably connected with a placement plate; and the top of the external-expansion support is fixedly connected with a hoop shell, and the top of the hoop shell is connected with a protective shell in a clamped mode. According to the novel drying equipment for the refractory material, through arrangementof an air filtering element and exhaust fan blades, the odor emitted by the refractory material can be effectively discharged externally, gas is purified and filtered after passing through the air filtering element, and thus after the gas is discharged externally, the problem of pollution to air of the external environment is relieved; and through arrangement of the placement plate, defective products are conveniently distinguished in time, the situation of position occupation externally caused by the defective products placed on the ground is avoided, operation of angle overturning of the twosides of the placement platform can be achieved through folding hinges, and the problem of excessive influence externally caused in the case of nonuse of the placement plate is avoided.

The invention discloses high-strength and high-hardness spraying powder for surface protection and an application method thereof, and belongs to the field of metal materials and powder metallurgy. The high-strength and high-hardness spraying powder for surface protection comprises, by weight, 60%-65% of chromium, 20%-30% of nickel and 8%-15% of tungsten, the sum of the weight percentages of all the components is 100%. Moreover, the spraying powder further comprises cobalt tungsten carbide powder, and the adding amount of the cobalt tungsten carbide powder is 0-5% of the total weight of the chromium, the nickel and the tungsten. The spraying powder is adopted for material surface protection, under the condition that the protection performance is not reduced, harm caused by hard, brittle and easy cracking of a plating layer is avoided, meanwhile, the pollution problem caused by electroplating is greatly reduced, and the spraying powder is simple in application process, low in cost and easy to popularize.

The present invention discloses fuel capable of efficiently reducing diesel fuel consumption. The fuel comprises the following components in percentage by weight: 10-17% of ammonium bicarbonate, 4-13% of sodium hydroxide, 5-8% of isobutanol, 20-29% of ethanol, 12-24% of sulphuric acid and 17-32% of diesel. According to the fuel capable of efficiently reducing diesel fuel consumption disclosed by the present invention, the use of non-regenerative sources such as diesel is effectively reduced, and the environmental pollution is reduced. The formula of the fuel is simple and the implementation cost is low.