50results about How to "Strong pungent smell" patented technology

The invention relates to a refining agent for smelting an aluminum alloy. The refining agent is characterized by comprising the following components by mass percent: 35% to 45% of NaCl, 25% to 35% of KNO3, 3% to 8% of CaF2, 6% to 10% of Na2SiF6, 7% to 12% of Na3AlF6, 5% to 10% of graphite and 0.5% to 1.5% of rare earth. The refining agent has the characteristics of good refining effect, strong degassing capacity and the like, and cannot generate noxious gas during a production process.

The invention relates to a low-toxicity screening washing water for screen printing, belonging to the technical field of screen printing. The low-toxicity screening washing water is prepared from the following raw materials in parts by weight: 20-40 parts of ethylene glycol monobutyl ether, 5-10 parts of ethanol, 1-8 parts of isopropanol, 3-10 parts of sodium hydroxide, 3-9 parts of polyether L61, 4-12 parts of alkylphenol polyoxyethylene, 5-15 parts of dimethyl siloxane, 5-10 parts of emulsifier, 2-9 parts of dispersing agent, 2-5 parts of surfactant and 50-75 parts of deionized water. The low-toxicity screening washing water for screen printing solves the problem of high toxicity in the screening washing water in the prior art, and thus, has better cleaning effect and lower pollution; and the screening washing water is water-based without flash point, and thus, has the advantages of high storage and use safety, low organic volatile content, high cleaning speed, no corrosivity for equipment, and no strong pungent odor.

The invention belongs to the technical field of aqueous coating material preparation, and particularly relates to a quick-drying type aqueous acrylic container marking paint and a preparation method thereof, wherein the quick-drying type aqueous acrylic container marking paint comprises, by weight, 18-22 parts of water, 0.05-0.15 part of a bactericide, 0.05-0.15 part of an anti-settling agent, 0.1-0.3 part of a pH value regulator, 0.2-0.4 part of an antifoaming agent, 0.2-0.4 part of a dispersing agent, 30-34 parts of an acrylic resin, 1.5-2 parts of a film forming aid, 35-45 parts of titaniumdioxide, and 0.3-0.5 part of a wetting leveling agent.

The invention discloses a method for storing ginger without using pesticide. The method comprises the following steps of: removing sludge from the gingers and broken gingers; placing the gingers under the blazing sun for quite a long time until ginger epidermis is chapped and dried; cleaning a cellar neatly; performing sterilization and relative humidity control; placing the gingers into the cellar to pile up in a layered way, so that certain gaps are reserved among ginger blocks and the occupied area of the gingers is 3/4 to 5/6 of the cellar area; sterilizing yellow earth or fine sand; covering the yellow earth or the fine sand on the upper part of the whole ginger pile, wherein the periphery of the ginger pile is exposed; placing dried Chinese mugwort leaves and dried chillies on the open space of the cellar and burning the dried Chinese mugwort leaves and the dried chillies; and when the burned smoke ascends to the cellar opening, sealing the cellar opening, wherein the smoke generated by combustion of the dried Chinese mugwort leaves and the dried chillies has strong pungent smell and can poison ginger maggots in the gingers or the cellar, and the effective rate can reach over 97.5 percent, so that the gingers are prevented from being bitten by the ginger maggots, no decay spots or bugbite spots can be seen from the gingers, and quality of the gingers is guaranteed.

The invention provides a device and a method for producing biodiesel with illegal cooking oil and waste engine oil. The device comprises an illegal cooking oil settling tank, a waste engine oil settling tank, a mixer, a heat exchanger, a tower-type fixed bed reactor, a condensing system, a gas storage tank, a diesel tank and a gasoline tank, wherein the mixer is connected with the heat exchanger; the heat exchanger is connected with the lower part of the tower-type fixed bed reactor through a preheater; and the condensing system is connected with the heat exchanger. The method comprises the following steps: pretreating, performing catalytic cracking reaction and collecting a product. The produced biodiesel is light yellow in color, has the condensing point of about minus 5 DEG C, has good low temperature fluidity, has a heat value far higher than that of the conventional biodiesel, and has stable product quality; environment pollution is reduced, and a decoloring step is not required; the tower-type fixed bed reactor is applied to the catalytic cracking reaction, so that the method has the advantages of convenience in heating, small investment, easiness in control of treatment amount and low operating cost; and a catalyst can be recycled, so that the device and the method are suitable to be popularized and applied.

The invention discloses a rice seed treating method capable of improving the germination rate of rice, belonging to the field of plantation of paddy rice. The method comprises the following steps: selecting plump seeds without any damage, naturally drying the seeds until a water content is 12 to 14% and carrying out ultraviolet sterilization at 20 to 25 DEG C under an enclosed condition so as to obtain aseptic seeds; soaking the aseptic seeds in a seed soaking solution at 13 to 17 DEG C for 5 to 8 d, and then putting the seeds into a germinating agent with a temperature of 25 to 32 DEG C for germination acceleration for 15 to 25 h until the seeds are broken and white sprouts extend out, wherein the seed soaking solution comprises hydrogen peroxide with a concentration of 2 to 15% and potassium nitrate with a concentration of 0.01 to 0.07%, and the germinating agent comprises graphene oxide with a mass concentration of 0.001 to 0.01%; and adding a bird-repelling agent into the seeds having undergone germination acceleration, carrying out seeding at 20 to 25 DEG C, allowing the seeds to grow for 3 to 7 d, then allowing temperature to drop to 15 to 20 DEG C, sprinkling a growth inhibitor with a concentration of 0.1 to 1.5% and carrying out culture for 5 to 10 d. The method provided by the invention can improve the germination rate and seedling emergence amount of seeds.

The invention belongs to the field of hydrofluoroethers, in particular to a hydrofluoroether compound and a preparation method and an application thereof. The hydrofluoroether compound is representedby that follow formula: F [CF(CF3)CF2O]<x>-R<H>; where x = 2-7; RH=CH3, C2H5, n-C3H7 or i-C3H7. The hydrofluoroether compound provided by the invention only contains fluorine, the only halogen element, does not contain ozone-destructive substances, and is an environmentally friendly non-flammable heat transfer agent, a solvent and a cleaning agent.

The invention belongs to the technical field of container repair paint, and particularly relates to container waterborne acrylic acid external repair paint and a preparation method thereof. The container waterborne acrylic acid external repair paint is prepared from the following components in parts by weight: 5-10 parts of water, 0.1-0.3 part of a bactericide, 0.03-0.06 part of an anti-sedimentation agent, 0.3-0.5 part of a pH regulator, 0.8-1.2 parts of a defoamer, 0.3-0.5 part of a dispersant, 1 part of titanium dioxide, 20-40 parts of a filler, 45-50 parts of acrylic resin, 3.6-4.5 parts of a coalescing agent, 0.3-0.5 part of a wetting leveling agent, 1.8-2.2 parts of color paste and 0.2-0.4 part of a thickener. The VOCs content of the container waterborne acrylic acid external repairpaint is less than 85 g/L, environment pollution is avoided, strong irritant smell is also avoided, and the container waterborne acrylic acid external repair paint has the characteristics of environmental protection and safety. Meanwhile, the prepared waterborne repair paint is short in surface drying and hard drying time, high in drying speed, good in paint film closure and good in water-resistant performance.

The invention discloses expansive fireproof paint. The expansive fireproof paint is composed of, by weight, 20-22 kg of ammonium polyphosphate, 11.4-11.6 kg of pentaerythritol, 11.4-11.6 kg of melamine, 4.6-4.8 kg of titanium dioxide, 0.9-1.1 kg of sodium hexametaphosphate, 3.6-3.8 kg of hexamethylcellulose, 11.1-11.3 kg of chlorinated paraffin, 18.1-18.3 kg of tri(2-chloroethyl)phosphate-reinforced polyvinyl acetate, 17.1-17.3 kg of emulsion and 17-19 kg of water. The expansive fireproof paint is low in production cost, low in toxicity and low in pollution, has high damp-proof performance, has high adhesion, is not liable to volatile during construction, does not have powerful pungent smell, is environmentally friendly, low in production cost, environmentally friendly and high in practicability and can be conveniently used and popularized on a large scale.

The invention discloses a treatment method for increasing the rice seedling rate and relates to the field of rice planting. The treatment method comprises the following steps: drying seeds which are full in granule and free of mold or damage till 12-14% at 10-20 DEG C, and performing ultraviolet sterilization under a sealed condition at 20-25 DEG C; performing germination promotion on the sterilized seeds for 15-25 hours in a germinator of 25-32 DEG C till the seeds are broken and white buds grow out, wherein the germinator comprises 0.001-0.01% graphene oxide; putting a bird expelling agent into the germinated seeds, sowing the seeds, growing at 20-25 DEG C for 3-7 days, reducing the temperature to 15-20 DEG C, spraying a 0.1-1.5% growth inhibitor, and culturing for 5-10 days. By adoptingthe treatment method, the germination rate and the seedling rate of seeds can be increased.

The invention relates to the technical field of interphones as digital products, and discloses wet etching equipment of an antenna baseband for an interphone. The wet etching equipment comprises a shell, wherein a rotating shaft is movably connected to the interior of the shell, a movable plate is movably connected to the surface of the rotating shaft, a sliding rail is formed in the movable plate, a compression spring is connected to the surface of the sliding rail in a sliding mode, a hollow rod is movably connected to the lower end of the compression spring, a feed pipe is movably connectedto the right end of the hollow rod, a spoiler is movably connected to one end, which is far from the hollow rod, of the feed pipe, an adjusting tank is movably connected to one end, which is far fromthe feed pipe, of the hollow rod, spring rods are movably connected to the interior of the adjusting tank and are located on both sides of a guide rod respectively, and a clamping plate is movably connected to one end, which is far from the guide rod, of an airflow pipe. An internal flowing space is narrowed, and therefore, chemical agents in a liquid storage bag can stop flowing out by utilizingsuction airflow when the flow direction of the chemical agents on the surface of a paster is changed, so that the effect of controlling the flow direction of corrosive liquid is achieved.

The invention discloses a botanical vegetable insecticide as well as a preparation method and application thereof. The botanical vegetable insecticide is prepared from the following raw materials in percentage by weight: 30-35% of a ginger extract, 20-25% of a black morning glory extract, 30-35% of a green tomato extract, 0.3-0.5% of a preservative and the balance of ultrapure water. The insecticide is rich in raw material resources, low in cost, good in insecticidal effect, continuous and stable in pesticide effect and does not linger on agricultural products; meanwhile, the insecticide can remarkably inhibit the activity of vegetable pest acetylcholin esterase, and improve the insecticidal effect. The effective components of the pesticide all belong to plant sources, the pesticide is rich in source, is harmless to human and livestock, and is a botanical pesticide suitable for producing pollution-free vegetables.

The invention discloses a fumigation agent for preventing and treating root-knot nematode and a preparation method thereof. The fumigation agent for preventing and treating the root-knot nematode is prepared from, by weight, 30-40 parts of cymbopogon citrates, 24-36 parts of horseradish, 20-32 parts of chrysanthemum coccineum, 16-28 parts of ailanthus altissima, 4-8 parts of bamboo vinegar, 3-7 parts of adhesive, 4-8 parts of disintegrating agent, 2-4 parts of dispersing agent, 3-5 parts of lubricating agent and 45-65 parts of carriers. The fumigation agent for preventing and treating root-knot nematode and the preparation method of the fumigation agent solve the problems that according to an existing fumigation agent, various chemical substances which are organically synthesized serve as effective components and hurt human bodies severely, environment is polluted, and ecological balance is broken.

The invention discloses a specific dry cleaner for removing clothes stains, which is prepared by following raw materials by weight: 1- 5 parts of ethylether, 3-10 parts of acetone, 5-15 parts of acetic ether, 1-15 parts of 98 percent of alcohol, 8-20 parts of turpentine oil and 1-3 parts of stain removal No. 2. The specially made stain removal No. 2 is adopted and is rationally formulated with other raw materials, therefore, the invention has the advantages of reasonable prescription, better stain removal effect, low cost, no strong pungent odor, no environment pollution and no harm to human bodies and is an environment-friendly dry cleaner.

The invention provides a preparation method of a sea salt disinfectant, which comprises the following steps: by taking seawater, brine or old brine as a raw material, purifying the seawater, brine or old brine, separating sodium chloride in the solution by adopting a nanofiltration membrane, then discharging, retaining the trapped fluid of the nanofiltration membrane, adding a small amount of chlorine-containing disinfectant solution, uniformly mixing, performing filling to obtain a disinfectant, and discharging the permeated fluid of the nanofiltration membrane. According to the preparation method of a sea salt disinfectant, a sea salt disinfectant used for sterilization of daily life, public places, breeding place environments, body surfaces of raised livestock, poultry and pets, plant leaf surfaces and the like is provided.

The invention belongs to the field of traditional Chinese medicinal cosmetics, and particularly discloses a traditional Chinese medicinal salt-slurry mask as well as a preparation method and application thereof. The traditional Chinese medicinal salt-slurry mask is prepared from the following raw materials in parts by weight: 25 to 30 parts of salt slurry, 15 to 20 parts of honey extract, 6 to 12parts of rhizoma atractylodis macrocephalae extract, 6 to 12 parts of radix et rhizoma rhei extract, 3 to 6 parts of poria cocos extract, 3 to 6 parts of radix salviae miltiorrhizae extract, 3 to 6 parts of radix lithospermi extract and 3 to 6 parts of alone extract. The traditional Chinese medicinal salt-slurry mask provided by the invention adopts the natural salt slurry and Chinese herbal medicines as main raw materials, has no injury to a skin, can be used for moisturization and acne removal, and has contaminant-release and inflammation-allaying functions at the same time.

The invention discloses a fumigating disinfection method for indoor environment. The fumigating disinfection method comprises the following steps: designing disinfection space volume of a single disinfection apparatus, determining the quantity and position of the disinfection apparatus required by the disinfection space, charging alcohol and paraformaldehyde in each disinfection apparatus, all the disinfection apparatus are ignited by grouping, then go out of the disinfection space and seals the disinfection space, and ventilation is carried out for the disinfection space, wherein, the time from ignition of the first disinfection apparatus by all groups to exit of the disinfection space by all workers is shorter than the time from ignition of the first disinfection apparatus by all groups to volatilization of paraformaldehyde in the disinfection apparatus. The fumigating disinfection method is suitable for fumigating disinfection of enclosed spaces with different sizes, and has the advantages of safety and non corrosion of the disinfection apparatus.

The invention discloses a process and relates to the technical field of textiles, in particular to a desizing, fixation, aldehyde-removing dyeing and fishing process, comprising the steps of I, preparing raw cloth; II, treating the raw cloth; III, desizing; IV, dyeing; V, fixing color; VI, removing aldehydes; VII, post-treating. The process herein is reasonable in design; desizing is carried out before dyeing, so that cloth is given better quality; after cloth dyeing, aldehyde removal is carried out, so that strong irritating odor of the cloth dyed is avoided.