409results about How to "Use safety and environmental protection" patented technology

The invention relates to a high-early-strength antifreezing polycarboxylic-acid composite water reducing agent and application thereof, belonging to the field of construction materials. The invention aims to provide a high-early-strength antifreezing polycarboxylic-acid composite water reducing agent and application thereof. The high-early-strength antifreezing polycarboxylic-acid composite water reducing agent is prepared from the following raw materials in parts by weight: 17.5-32.5 parts of polycarboxylic-acid water reducing agent, 1-3 parts of sodium lignosulfonate, 7-36 parts of early-strength admixture, 2-8 parts of antifreezing agent, 0-0.5 part of air entraining agent and 20-72.5 parts of water. The early-strength admixture is composed of 1-8 parts by weight of organic early-strength component and 6-28 parts by weight of inorganic early-strength component. The high-early-strength antifreezing polycarboxylic-acid composite water reducing agent has the advantages of high early strength, favorable anti-freeze-thawing effect and the like.

The invention relates to a medical refrigerated transport case which comprises a case body (1) and a case cover (2), one side of which is connected in an articulated way and the other side of which is movably connected through a connecting clip. The medical refrigerated transport case is characterized in that the case body (1) comprises a casing (3), a heat insulating layer (4) and an inner case (5); wherein the heat insulating layer (4) is positioned between the casing (3) and the inner case (5), the inner case (5) is provided with a specimen storage space (6), the case wall of the inner case (5) is filled with phase change refrigerating agent (7), at least a semiconductive refrigerating piece (8) is attached on the outer case wall of the inner case (5), a radiator fan (9) is installed in the position corresponding to the semiconductive refrigerating piece (8), and a louvre is formed or a radiating door is installed on the casing in the position corresponding to the radiator fan (9); a power supply connector is also arranged on the inner case (5), and the output end of the power supply connector is electrically connected with the semiconductive refrigerating piece (8) and the radiator fan (9). The medical refrigerated transport case has the advantages of simple structure, convenient use and wide application range.

The powerful adhesive includes neoprene, grafting monomer, thickener, dispersant, adhesion promoter, catalyst, antioxidant, solvent, stuffing, etc. The present invention also discloses the preparation process of the adhesive, and the preparation includes introducing grafting monomer to neoprene molecule chain to raise the adhesion strength, selecting proper adhesion promoting resin to increase the initial adhesion force, and adopting mixed solvent to form high adhering performance. The adhesive has high solid content and excellent environment protecting performance, and has also excellent antiageing performance, high resistance to heat, oil, chemical and corrosion, high weather resistance, good mildew-proof performance, antibiotic performance, etc. and may be used for adhering timber, concrete, rubber, metal, gypsum board, brick and other building material.

This invention relates to the regeneration method and equipment of one kind of waste lubricating oil, the regeneration method includes below crafts: impurity subsidence, pelletthickly filter, vacuum dehydration, its characteristic is that there has heat up craft after the impurity subsidence craft, there also has second time heats up craft and membrane separation craft after vacuum dehydration craft; The temperature of heat up craft is 65-75degree C; the temperature of second time heats up craft is 50-90degree C; The membrane separation craft uses the spatial textile fibermembrane, its average aperture is 0.01-0.5mum, it can bear 80-90degree C high temperature, and can resistant oil corrosion. This regenerative equipment characteristic is that it is suitable for this invention regeneration method, it at least includes a front heater, a set of vacuum dehydration installment, a intermediate storage tank, at least an heater and at least a center spatial textile fiber membrane module. The craft of using this invention method and the equipment is simple, its operation is easy, it is easy to control, high energy conversion rate and good separation effect, it also does not pollute the environment, low energy consumption, it is effective to recycle waste lubricating oil.

The invention discloses a blocking remover suitable for acidification of complex lithologic reservoirs. The blocking remover is prepared by mixing the following raw materials in percentage by weight: 10%-25% of hydrazine hydrochloride, 2%-6% of fluorine-containing compound, 0.3%-3% of acidification corrosion inhibitor, 0.3%-3% of demulsification cleanup agent, 0.3-3% of iron ion stabilizer for acidification, 0.3%-3% of clay stabilizer and the balance of water. According to the blocking remover disclosed by the invention, the powder-like hydrazine hydrochloride and the fluorine-containing compound are mixed to slowly generate HF (hydrogen fluoride) for blocking removing in the reservoir. The blocking remover has the characteristics that raw materials are conveniently transported, and safe and environment-friendly property are achieved in use; and since the HF is slowly generated in the reservoir through the hydrazine hydrochloride and the fluorine-containing compound, the purpose of slowing down can be reached, and the performances on the aspects of improving the permeability and the penetration depth of the reservoir are obviously better than those of conventional mud acid. The blocking remover has the advantages of low cost and great penetration depth and can well control the acidic rock reaction speed, improve the acidification blocking removing efficiency, reduce the corrosion of an acid solution to a metal pipeline and equipment and prevent the pollution to stratum.

The invention provides a polyvinylchloride (PVC) plastic wood plank and a preparation method thereof. The PVC plastic wood plank consists of the following ingredients: PVC, calcium carbonate, wood flour, azodicarbonamide (AC) foaming agents, stabilizing agents, coupling agents, acrylicester (ACR), paraffin wax, stearic acid and fire retardants. By means of the PVC plastic wood plank, appending proportion of the calcium carbonate is enhanced by reducing the amount of the wood flour, and at the same time, by adjusting the amount of the PVC, and the type and amount of other additives, not only can hardness of the plank be greatly enhanced, but also appropriate toughness can be possessed. Therefore, the plank is guaranteed to be not only possess enough hardness when used as wood floors in public places so that damage and sinking of the surface of the plank are not prone to occurring, but also meet requirements of the wood floors due to the toughness of the plank so that the plank can be ensured to be not easy to crack.

The invention discloses a phytic-acid type gas-phase antirust masterbatch, and a preparation method and application thereof. The antirust masterbatch comprises the following components by weight: 30 to 50% a compound antirust agent, 40 to 60% parts of carrier plastic and 10 to 20% parts of an additive, wherein the compound antirust agent is prepared by mixing sodium benzoate, phytic acid, triethanolamine borate and monoethaneamine benzoate according to a mass ratio of 1.0-1.5: 2.5-3.2: 2.0-3.0: 1.0-1.3, and the additive is prepared by mixing sodium silicate, silicon dioxide, octadecanamide and an antioxidant 1076 according to a mass ratio of 1.0-1.3: 5.0-6.5: 2.5-3.3: 0.8-1.1. According to the invention, a strong chelating agent--alkaline phytic acid is used as a gas-phase corrosion inhibitor; triethanolamine borate is used as the additive; and the compound antirust agent has good dispersion and antirust effects and certain polarity, can penetrate the carrier plastic and volatilize to the surface of wrapped metal so as to form a protective film to block erosion by external corrosion substances, and is also exempt from frost precipitation due to incompatibility with a carrier caused by excessively-strong polarity of the compound antirust agent.

The invention relates to a high-efficient zinc-rich anti-corrosive paint and a preparation method thereof. Components of the paint according to parts by weight are as below: 2.0-2.6 parts of ethylene resin, 75.0-86.0 parts of zinc powder, 11.0-24.0 parts of solvent and 0.1-0.5 part of addition agent. The invention is characterized in that the ordinary active zinc powder is used; zinc content in a dried film is greater than 96.5 percent so as to solve a present technical problem that only the use of high-purity zinc powder can lead to the zinc content of 96 percent in the dried film. A high-efficient zinc-rich anti-corrosive paint coating has excellent physical and mechanical performance and excellent anti-corrosive performance, and no red rust is generated during a 6000h neutral salt spray test. The surface of the coating can be used together with anti-corrosive finish paint of various types, and the requirement of various long-term heavy anti-corrosion constructions can be satisfied; the paint system is of single component which can be used at the temperature of -25 DEG C-80 DEG C; the construction is convenient, and the range of use environment temperature is wide; and the invention has good antistatic performance and can be used for an antistatic coating.

The invention discloses a chromogenic formaldehyde adsorbing material and a preparation method thereof. The adsorbing material consists of a carrier, a high molecular organic amine polymer, a polylol polymer and a formaldehyde reaction indicator, wherein the high molecular organic amine polymer and the polylol polymer account for 1 to 50 percent of formaldehyde adsorbent, the formaldehyde reaction indicator is little, and the balance being the carrier. The preparation method thereof comprises the following steps: mixing the high molecular organic amine polymer and the polylol polymer according to mass, adding deionized water to dilute the mixture so as to prepare formaldehyde reagent; mixing the formaldehyde reagent and the formaldehyde reaction indicator; and spraying or dipping the mixed solution onto the surface of the carrier, and drying the carrier and so on. The adsorbing material and the preparation method can quickly, thoroughly and continuously remove formaldehyde pollution in indoor air until the content of the formaldehyde is reduced to safe concentration, are nontoxic, pollution-free, safe and environment-friendly to use, and can intuitively show the reaction degree of the formaldehyde.

The invention discloses an alcohol-free fountain solution and a preparation method thereof. The alcohol-free fountain solution is prepared by emulsifying a mixture formed by polyethylene glycol, glycerol, potassium oxalate, natural bone glue, oleic acid diethanolamide, coconut oil fatty acid diethanolamide, alkanolamide, sodium benzoate, fatty alcohol polyoxyethylene ether sodium sulfate, polyglycol ether, sodium oxalate and water at the temperature of 30-55 DEG C. By using the alcohol-free fountain solution, the aims of realizing safety and environmental friendliness, saving energy and reducing emission can be fulfilled, and a printing operator can be protected from chronic poisoning of alcohol or isopropanol; the original quality of the alcohol-free fountain solution is kept on the aspect of the quality of printed matters, and meanwhile the using amount can be controlled conveniently by operating personnel.

The invention discloses multi-metal anti-rusting master batch as well as a preparation method and application thereof. The anti-rusting master batch comprises the following components in percentage by mass: 30-50% of a compounded anti-rusting agent, 40-60% of carrier plastic and 10-20% of an additive, wherein the compounded anti-rusting agent is prepared by mixing sodium benzoate, sebacic acid, triethanolamine boric acid ester and benzotriazole in a mass ratio of (1-1.3):(1.1-1.5):(2.2-3.2):(0.8-1.2); the additive is prepared by mixing stearic acid amino, coarse whiting, sucrose fatty acid ester and an antioxidant 1076 in a mass ratio of (0.9-1.3):(4.8-6.5):(2.5-3.3):(0.8-1.1). When being used as an additive, the triethanolamine boric acid ester has both a dispersion function and an anti-rusting function, the compounded anti-rusting agent has certain polarity and can penetrate the carrier plastic to be volatilized to the surface of packaged metal to form a protecting film, so that corrosion of external corrosive substances is prevented, and the phenomenon that frost separation is generated as the compounded anti-rusting agent is not compatible with the carrier plastic because of the too high polarity is avoided. The multi-metal anti-rusting master batch is free of harmful component, is environment-friendly and safe to use, and has the anti-rusting function on multiple metals.

The invention discloses a polyurea floor coating and preparation and application methods thereof as well as carbamide resin. The carbamide resin is polyaspartic acid ester carbamide resin; the polyaspartic acid ester carbamide resin is prepared by reacting diethyl maleate and 3,3-dimethyl-4,4-methylenebis(cyclohexylamine) as raw materials at 60-80 DEG C for 70-74 DEG C, with the weight ratio of the diethyl maleate to the 3,3-dimethyl-4,4-methylenebis(cyclohexylamine) is 1.0 to (1.55-1.60). The polyaspartic acid ester carbamide resin can stably exist at a room temperature; the polyaspartic acid ester carbamide resin is taken as a base component; and packing, an assistant and the like are added, so as to prepare the polyurea floor coating disclosed by the invention. The polyurea floor coating and an HDI curing agent are mixed to use at a certain ratio, so that the polyurea floor coating has the advantages of good abrasive resistance, ageing resistance, waterproofness, controllable elasticity and high-strength shock resistance.

The invention relates to an efficient scale inhibitor of a tail-gas compressor of a styrene device and an application method thereof, comprising hydroxylamine compounds, alcohol amine compounds and phenol compounds. The invention overcomes the disadvantages that the generation of polymer dirt in the tail-gas compressor can not be effectively inhibited by using an ethylbenzene physical spraying method, can thoroughly inhibit and suppress the radical polymerization of the styrene, alpha-methyl styrene, phenyl ethylene and the other activated alkenes in the styrene tail-gas compressor, and has the functions of metallic catalytic coke deposition suppression and detergency and dispersancy. The invention has the advantages of safety and environment protection, energy conservation and low energy consumption and simple use, has no influence on downstream processes, can effectively promote the operational cycle and working load of the styrene tail-gas compressor, reduce energy and material consumption of the styrene device, and can improve the economical and social effects of the whole styrene device.

The invention relates to a method for preparing polyethylene glycol composite nanofiltration membrane and the product thereof. The preparation method comprises: the preparation of polyethylene glycol coating liquor with a concentration of 1*10-4g / L-3g / L: the prepared polyethylene glycol coating liquor is uniformly coated on the surface of basement membrane to obtain the polyethylene glycol coating membrane after dry in room temperature; the said polyethylene glycol coated membrane is irradiated in the electron accelerator field, and the irradiation dose is 5Gry-1*104Gry; the irradiation time is 1min-10min; the coated membrane irradiated is laid for 12-24h in room temperature to obtain the said polyethylene glycol composite nanofiltration membrane. The polyethylene glycol composite nanofiltration membrane of the invention is prepared by the method mentioned in the invention. The preparation method does not bring in chemical crosslinking agent, and has no remain and pollution of organic liquor, which is beneficial to environmental protection. The component of the method is easy to buy, the cost is low and it is convenient for practical application. The nanofiltration membrane has a good hydrophilicity, separation selectivity and water penetration, and is also organic fouling resistant.

The invention provides a tableware information processing method and device, equipment and a readable storage medium. The method comprises the following steps: acquiring order information sent by a user terminal, wherein the order information includes order user information; acquiring tableware identification of tableware corresponding to the order information, wherein the tableware is recyclabletableware; and establishing a mapping relationship between the tableware identification and the order user information. The tableware in the method can be recycled, so that the tableware with the tableware identification can be used by different ordering users; repeated recycling of the tableware is realized; environmental pollution is lowered; and the tableware is safe and environmentally friendly to use and has high reliability.

The invention relates to a novel loratadine oral quickly soluble film and a preparation method thereof. The oral quickly soluble film comprises the following components: loratadine, a surfactant, a film-forming material, a flavoring agent, a corrigent and a small amount of ethanol. The invention further provides a preparation method of the novel loratadine oral quickly soluble film. The oral quickly soluble film is small in size and convenient to carry; the dosage is convenient to control, a preparation process is simple and controllable, special production equipment is not required, the novel loratadine oral quickly soluble film is suitable for industrial massproduction, can be quickly dissolved in the oral cavity of a patient who does not need to drink water or chew, and tastes good; compliance of medication for children is greatly improved; the dissolution condition of the novel loratadine oral quickly soluble film in a citric acid-disodium hydrogen phosphate buffer solution with pH of 4.0 is remarkably better than the dissolution condition of commercially available tablets; and the novel loratadine oral quickly soluble film has significance on gerontal patients and other patients with achlorhydria.

The invention discloses a polyurea waterproof coating, a preparation method and a use method thereof and carbamide resin. The polyurea waterproof coating comprises the following components in parts by weight: 3.5-4.0 parts of polyaspartic acid ester carbamide resin, 0.010-0.015 part of anti-settling agents, 0.50-1.0 part of titanium white, 0.50-1.0 part of talcum powder, 0.010-0.015 part of dispersing agents, 0.010-0.015 part of deforming agents and 0.005-0.01 part of flatting agents. The polyurea waterproof coating disclosed by the invention adopts the polyaspartic acid ester carbamide resin as a matrix component and has the advantages of high solid content (more than or equal to 65%w / w), good stability, low VOC content and environmental friendliness under the action of the components, namely the anti-settling agents, the titanium white, the talcum powder, the dispersing agents, the deforming agents, the flatting agents and the like.

The invention discloses a recyclable environment friendly electrolytic stripping solution, a preparation method and a usage method, the recyclable environment friendly electrolytic stripping solution comprises the following components by weight: 10-30% of methanesulfonic acid, 3-10% of tin methane-sulfonate, 1-5% of polyoxytrimethylene polyethenoxy ether, 1-5% of phytic acid and the balance of water. The recyclable environment friendly electrolytic stripping solution has the characteristics of stripping effect, no generation of toxic and harmful gas, recyclable stripping solution, safety, environmental protection, complete satisfaction of environmental requirements of the formula material and stable products, the waste liquid generated during the usage process can be directly and continuously used through electrolysis; the process has the advantages of simplicity, energy efficiency, and convenient usage.

The invention discloses an industrial water-saving agent, which is prepared from the following raw material components in parts by mass: 100 parts of polyol, 3.0 to 15.0 parts of polyvinylpyrrolidone,2.0 to 6.0 parts of an antioxidant additive, 0.01 to 0.03 part of a bactericidal preservative and 0.01 to 0.03 part of a bactericidal mildew preventive. The preparation method comprises the followingsteps: adding polyol accounting for 20-40% of the total amount into a reaction container, and heating; adding the components of functional additive into the reaction container, and uniformly stirringand mixing; and finally adding the residual polyol into the reaction container, and uniformly stirring and mixing to obtain the industrial water-saving agent. The production process is simple, safe and environment-friendly; the industrial water-saving agent is simple and convenient to use, suitable for water saving of circulating flowing water, capable of remarkably reducing volatilization loss of industrial water, remarkable in water-saving effect, small in use amount and low in cost; and during the use, system equipment does not need to be added or replaced, and normal operation of originalequipment is not affected.

The invention discloses a chrome-free fingerprint-resistant environment-friendly coating. The coating contains the following components in parts by weight: 40-50 parts of a film-forming condensation polymer, 5-8 parts of aminopropanol ascorbic acid phosphate modified graphene oxide, 15-20 parts of epoxy resin, 1-4 parts of a dispersing agent, 1-4 parts of a flatting agent, 1-4 parts of a defoamingagent and 20-40 parts of water. The invention further discloses a preparation method of the chrome-free fingerprint-resistant environment-friendly coating. The preparation method comprises the stepsof adding the film-forming condensation polymer into water, uniformly stirring, adding other components, stirring at a rotation speed of 800r / min-1300r / min for dispersion for 50-60 minutes, and filtering, so as to obtain a finished product. The chrome-free fingerprint-resistant environment-friendly coating has relatively excellent corrosion resistance, stability and alkali blackening resistance and is safe and environment-friendly in use.

The invention discloses a deoxygenation method for a natural hemoglobin blood substitute. The deoxygenation method comprises the following steps: adding a small molecule antioxidant and a sugar protective agent into an isotonic system containing natural hemoglobin; adjusting a pH value to 5.0 to 8.0; and alternatively vacuumizing and introducing high-purity inert gas for multiple deoxidization. The invention further discloses a preparation process for the natural hemoglobin blood substitute by adopting a deoxygenation technology. According to the deoxygenation method disclosed by the invention, thorough deoxygenation is realized by alternatively vacuumizing and introducing the gas for the multiple times; before deoxygenation, a proper amount of small molecule antioxygen is added for avoiding the phenomenon that the content of MetHb is increased caused by oxygen introduction before and after deoxygenation; compared with a method of deoxdation by only introducing the gas in the subsequent step in the prior art, the method disclosed by the invention has the advantages that deoxygenation is more thorough and quicker; the content of the hemoglobin is less than or equal to 1 percent, or even is as low as 0 percent; and in addition, a proper amount of sugar protectant is added before deoxygenation for sufficiently protecting a natural hemoglobin structure from being damaged in the deoxygenation process, so that activity and curative effect of a final product are ensured.

The invention discloses an intelligent cutting robot for wood processing, which comprises a support frame, a shell is fixedly installed on the top of the support frame, a feeding rack is fixedly installed on the left side of the support frame, and both sides of the bottom of the feeding rack are fixedly installed There is a support rod, the bottom of the support rod is fixedly installed with a fixed plate, the top of the fixed plate is fixedly installed with a storage box, both sides of the bottom of the fixed plate are fixedly installed with universal wheels, and both sides of the upper surface of the support frame and the feeding rack are fixed. A corresponding first chute is provided, a support plate is provided on the top of the support frame, and the first chute is slidably connected to the support plate through a first slider provided inside the first chute. In the process of processing, the present invention fixes the wood on the feeding rack, then docks the feeding rack with the supporting frame, and then cuts the wood longitudinally and horizontally in turn without adjusting the position of the wood, thus saving a lot of time. Time is conducive to improving work efficiency and can reduce the workload of workers.

The invention relates to the field of coatings, particularly to antiflaming ultraviolet curing coating which comprises the following raw materials in parts by weight: 55-65 parts of polyurethane-acrylate resin, 10-15 parts of polyester acrylate, 10-15 parts of graphene, 5-10 parts of a nanoscale magnesium hydrate fire retardant, 3-6 parts of titanium dioxide, 0.2-0.5 part of an anti-greening agent, 3-5 parts of a photoinitiator, 10-15 parts of a reactive diluent, 3-5 parts of a thickening agent, 0.3-0.6 part of a flatting agent, 0.2-0.5 part of an anti-settling agent and 1-1.5 parts of a defoamer. The antiflaming ultraviolet curing coating has excellent flame retardant efficiency, does not release toxic or cancerogenic substances during combustion, and further has the advantages of super durability, abrasion resistance and antibacterial property.

The invention discloses flame-retardant ethylene propylene diene monomer rubber and a preparation method thereof. The flame-retardant ethylene propylene diene monomer rubber comprises 100 parts by weight of ethylene propylene diene monomer rubber matrix, 2-4 parts by weight of vulcanizing agent, 2-4 parts by weight of accelerant, 1-10 parts by weight of flame retardant, 2-6 parts by weight of processing aid and 3-5 parts by weight of anti-aging agent, wherein the flame retardant is branch-shaped organic montmorillonite. According to the preparation method disclosed by the invention, the flame-retardant ethylene propylene diene monomer rubber with excellent flame retardance, mechanical properties and the like can be obtained by using the branch-shaped organic montmorillonite-modified ethylene propylene diene monomer rubber, the controllable stripping of the montmorillonite in the flame-retardant ethylene propylene diene monomer rubber, the uniform dispersion of the montmorillonite in the polymer matrix and the good compatibility with a polymer can be realized, the Mooney viscosity of the flame-retardant ethylene propylene diene monomer rubber is reduced, the processing performance of the flame-retardant ethylene propylene diene monomer rubber is improved, and the flame-retardant ethylene propylene diene monomer rubber can not only well meet the application requirements of the ethylene propylene diene monomer rubber, but also realize safety and environmental friendliness in use, thus having potential economic benefits and social significance.

The invention discloses a cutting method for wood processing, which comprises a support frame, a shell is fixedly installed on the top of the support frame, a feeding rack is fixedly installed on the left side of the support frame, and both sides of the bottom of the feeding rack are fixedly installed with Support rod, the bottom of the support rod is fixed with a fixed plate, the top of the fixed plate is fixed with a placement box, both sides of the bottom of the fixed plate are fixed with universal wheels, and both sides of the upper surface of the support frame and the feeding rack are provided with There is a corresponding first chute, the top of the support frame is provided with a support plate, and the first chute is slidably connected to the support plate through a first slider provided inside it. In the process of processing, the present invention fixes the wood on the feeding rack, then connects the feeding rack to the supporting frame, and then cuts the wood longitudinally and horizontally in turn without adjusting the position of the wood, thus saving a lot of time. Time is conducive to improving work efficiency and can reduce the workload of workers.

The invention discloses waterproof polyurea paint as well as a preparation method and application thereof. The waterproof polyurea paint comprises the components in parts by weight: 3.5-4.0 parts of a poly aspartic acid ester polyurea resin, 0.010-0.015 part of an anti-settling agent, 0.50-1.0 part of titanium dioxide, 0.50-1.0 part of talcum powder, 0.010-0.015 part of a dispersing agent, 0.010-0.015 part of an antifoaming agent and 0.005-0.01 part of a flatting agent. The preparation method of the waterproof polyurea paint comprises the following steps: mixing the poly aspartic acid ester polyurea resin, the anti-settling agent, the titanium dioxide and the dispersing agent for the first time so as to obtain a mixed material, and adding the talcum powder, the antifoaming agent and the flatting agent to the mixed material for the second time. The waterproof polyurea paint disclosed by the invention has the advantages of high solid content, good stability, good water resistance, good weather resistance, good color retention, extremely good mechanical strength and extremely good adhesive force, and contains low VOC (volatile organic compounds), so that the waterproof polyurea paint is environmentally-friendly.

The invention relates to the field of plant conservation, and discloses a plant conservation device, which comprises a monitoring device and a processing feedback device, wherein the monitoring device is used for collecting illumination intensity data, air temperature data, air humidity data and soil humidity data of environments on which plants are planted; and the processing feedback device is used for processing related data colleted by the monitoring device and sending the data to a user terminal. The plant conservation device is compact in structure, and safe and environmental-friendly in use, can be used for detecting environment data (soil humidity, air temperature, air humidity, illumination intensity and the like) of the plants in real time, and sending the data to an APP of a hand-held terminal (a smartphone) through bluetooth, can enable the APP to utilize a data processing capacity of the smartphone to process data, judges a growth situation and an environmental state of the plant so as to feedback to a user, and prompt and guide the user to conserve the plant.

The invention relates to a compact type heat-pump water heater fully utilizing remaining heat of wastewater generated by a shower. The compact type heat-pump comprises a compressor, a throttle device, a two-layer bushing and an evaporator; a circulation loop is formed by connecting the evaporator, the throttle device and the compressor through a cold medium pipe; the evaporator appears as flat and hollow form and two ends of the evaporator are respectively connected with the cold medium pipe, and then the cold medium can flow through the hollow part of the evaporator; and the evaporator is arranged at a position where the showering can reach after showering with hot water. The water heater has the advantages of high heating coefficient, compact volume, safe performance and environment-friendly property.

Disclosed are nano-manganese dioxide for removing underground water heavy metal pollution and a preparation method of the nano-manganese dioxide for removing underground water heavy metal pollution. The preparation method includes the steps of 1), inoculating one or more of Leptothrix discophora SS-1, Pseudomonas putida MnB1 and Bacillus sp SG-1 to a microbial growth medium and culturing at 25-30 DEG C; 2), centrifuging a mixture obtained in the step 1 to obtain a bacterial body and cleaning and precipitating the bacterial body; 3), inoculating the bacterial body obtained in the step 2 to a manganite culture medium and culturing at 25-30 DEG C; 4), adding MnCl2 and Na3VO4 into a product obtained in the step 3 and culturing at 28-30 DEG C so as to obtain black precipitate, namely the nano-manganese dioxide.

The invention discloses a chemical fuel oil additive and a compound fuel oil additive. The chemical fuel oil additive comprises the following components in percentage by mass: 20-34% of polyurethane, 23-40% of polyisobutene amine and 39-53% of ferrocene; and the compound fuel oil additive comprises the following components in percentage by mass: 60-80% of a physical fuel oil additive and 20-40% of the chemical fuel oil additive which comprises polyurethane, polyisobutene amine and ferrocene. According to the chemical fuel oil additive and the compound fuel oil additive disclosed by the invention, the chemical fuel oil additive is added based on the physical fuel oil additive so as to ensure that the formation of nozzle deposits and air inlet valve deposits can be effectively controlled, combustion chamber deposits can also be effectively removed, and the production of new deposits can be inhibited. In addition, the compound fuel oil additive disclosed by the invention is safe and environment-friendly to use, and can also be used for effectively reducing the emissions of three major pollutants namely CO, HC and NOX in vehicle tail gas and reducing the emission of PM.