37results about How to "Strong price advantage" patented technology

The invention belongs to the field of animal feed processing and particularly relates to a novel feed for cattle and sheep and a preparation method of the novel feed. The novel feed is prepared by processing byproducts, namely corn steep liquor, corn bran, corn gluten meal, saccharified liquid residues and yeast bodies on a production line of isomaltooligosacharide, as well as corn stalks, a compound premix for the cattle and the sheep, and corn flour; the produced complete feed meets cattle and sheep production requirements, and solves he problems of poor utilization of the byproducts and environment pollution during the production of the isomaltooligosacharide; and besides, the processed complete feed for the cattle and the sheep is low in cost, complete in nutrition, good in palatability, high in feed conversion rate and very suitable to be used for the large-scale captive breeding of the cattle and the sheep, so that not only is the culture benefit increased, and simultaneously the problem that the cattle and the sheep scramble food with pigs and poultry is solved.

The invention provides a non-ferrous metal oxide ore chelate collector and a preparation method thereof. The invention is characterized in that the chelate collector is alkyl malonic acid; and the preparation method of the chelate collector is completed in three steps of reaction: 1, solid-liquid phase transfer catalytic hydrocarbylation: directly performing a solid-liquid phase reaction for 0.5 to 4.0 hours at the temperature of 60-200 DEG C by using a phase transfer catalyst, anhydrous carbonate, halogenated hydrocarbon and diethyl malonate as raw materials to prepare alkyl diethyl malonate; 2, basic hydrolysis: hydrolyzing the alkyl diethyl malonate into alkyl sodium malonate by adopting a NaOH solution condition; and 3, acidification: transforming the alkyl sodium malonate into alkyl malonic acid in the acidic condition with the pH of 0.5-6.5, cooling, crystallizing and separating a product, and filtering to obtain the product. The chelate collector has the characteristics of wide raw material sources, low production cost, simple preparation process, stable property and high collection capability and selectivity.

The invention relates to a method for producing a high-macroelement liquid organic special fertilizer. The method comprises the following steps: selecting raw materials, pretreating the raw materials, performing anaerobic fermentation, performing slag-liquid separation, performing oxygen exposure filtration, mixing and blending and performing refined filtration filling. The content of the macroelement is improved to a high level, and the topdressing problem of organic cultivation is solved; and moreover, the production efficiency is high, the cost is low, and the problems that waste of biogas slurry and sewage is severe even the environment is polluted are solved.

The invention discloses a biological robot-based miniature wireless active omni-directional vision sensor. The hardware of the biological robot-based miniature wireless active omni-directional vision sensor comprises a gecko and a pipeline vision detection device; the pipeline vision detection device is bundled on the gecko, and the gecko creeps forward and drags the pipeline vision detection device to shoot the omni-directional image of the inner wall of a pipeline in the narrow and long pipeline with small caliber; the pipeline vision detection device mainly comprises a wireless communication unit, an active omni-directional vision sensor and a power supply; the active omni-directional vision mainly comprises an omni-directional vision sensor, an LED band light source and an omni-directional laser source; and a pipeline detection analysis system detects the detected pipeline according to the omni-directional video image transmitted through wireless communication network and executes 3D modeling treatment.

The invention relates to a method for synthesizing N, N-bis(4-methylphenyl)-4-(2, 2-diphenylvinyl). The method comprises the following steps: diphenylbromomethane and triethyl phosphite react to form diphenylmethyl phosphonic diethylester; N, N-(4-methylphenyl)aniline is synthesized by use of aniline and p-Iodotoluene in the presence of cuprous bromide and other catalysts; N, N-bis(4-methylphenyl)-4-aminobenzaldehyde is formed by use of phosphorus oxychloride and N, N-dimethylformamide formacyl; and the diphenylmethyl phosphonic diethylester reacts with the N, N-bis(4-methylphenyl)-4-aminobenzaldehyde to form the N, N-bis(4-methylphenyl)-4-(2, 2-diphenylvinyl). The method has the advantages that the method is simple in steps, easy to control reaction conditions, low in requirements on equipment, high in yield and applicable to industrial production.

The invention discloses a cement additive which comprises the following components in parts by weight: 2-4 parts of polyvinyl alcohol, 2-4 parts of methyl acrylate, 0.5-2.5 parts of emulsion polymerized butadiene styrene rubber, 0.5-1 part of sodium silicate or sodium metasilicate, 0.5-1 part of sodium dodecyl sulfonate, 1-1.5 parts of nano silicon dioxide and 1-2.5 parts of an initiator. Polyvinyl alcohol and polyacrylate form a copolymer by adopting a free radical polymerization method, and advantages of polyvinyl alcohol and polyacrylate which are matched with emulsion polymerized butadiene styrene rubber, sodium silicate or sodium metasilicate, sodium dodecyl sulfonate and nano silicon dioxide are fully utilized to prepare a copolymer cement waterproof additive suitable for waterproof cement. The production cost of raw materials used by the additive disclosed by the invention is lower than that of a marketed waterproof emulsion at present, and the cost is further lowered in quantity production. The cement additive disclosed by the invention has a relatively strong price advantage.

The invention relates to the technical field of organic polymer materials, in particular to a polyolefin high-concentration plasticizer master batch, and a preparation method and application thereof.The polyolefin high-concentration plasticizer master batch is prepared from the following raw materials: a foamed polyolefin carrier and a plasticizer, wherein the plasticizer is a liquid hydrocarboncompound having a weight average molecular weight of 500-8000, which is measured by gel permeation chromatography. According to the invention, the self-made foamed polyolefin carrier is adopted, and the carrier has a network structure formed by inter-communicating through holes and relatively high porosity and can fully absorb the plasticizer, so the high-concentration plasticizer master batch canbe prepared; the plasticizer master batch has the advantages of small addition amount in a high-molecular material, uniform dispersion, no influence on the performances of the high-molecular material, improvement of the physical performances of the high-molecular material and maintenance of the excellent physical and mechanical performances of the high-molecular material; and the preparation method is simple in process, low in cost and easy to operate.

The invention discloses a bituminous mixture modifier and a preparation method thereof. The bituminous mixture modifier is prepared from waste polyethylene, waste polypropylene, a toughening agent, aninitiator, a modifier, an anti-ageing agent, filler and pigment. According to the bituminous mixture modifier and the preparation method thereof, by adopting modification technologies of blending, grafting, toughening and the like, the industrial, agricultural and domestic recovered waste PE and PP, the other modifier, the filler and the like are mixed evenly according to a certain ratio to prepare black solid particles, according to 0.3-0.5% of total mass of a bituminous mixture, the black solid particles, pitch and mineral aggregate are stirred and mixed evenly at a mixing station under technology conditions of certain temperature, mixing time and the like, thus paving can be conducted, the rut resistance capability of a bituminous pavement can be greatly improved, and meanwhile, both the moisture damage resistance performance and the low temperature resistance performance are obviously improved. By adopting the modification technologies, not only is the cost reduced, but also the high temperature stability of the bituminous mixture can be greatly improved, the foreign technology monopoly is broken, and the bituminous mixture modifier and the preparation method thereof have profound significance in the aspects of positively responding to national waste material resource recycling and the like.

The invention discloses a plasticizer composite. The plasticizer composite comprises, by weight, 25-30 parts of tetrafluoroethylene, 20-25 parts of styrene, 20-25 parts of polystyrene, 15-20 parts of polyacrylamide, 5-10 parts of polymeric aluminum chloride, 15-20 parts of polyamide, 6-8 parts of maltitol, 8-10 parts of isomaltulose, 10-12 parts of erythritol, 6-8 parts of carbitol, 10-12 parts of diglycol, 3-5 parts of dipropylene glycol, 5-6 parts of diethanol amine, 4-6 parts of dipropylene glycol, 6-8 parts of p-hydroxybenzoic acid, 5-8 parts of methyl anthranilate, 3-5 parts of methyl methacrylate, 4-6 parts of hydroxyethyl methylacrylate, 8-9 parts of butyl methacrylate, 5-6 parts of iso-octyl methacrylate, 6-7 parts of paraffin, 6-8 parts of sodium carbonate and 8-10 parts of epoxidized soybean oil. The plasticizer composite is low in cost, poisonless, harmless and stable in performance, and has strong price advantage as compared with other plasticizers.