55 results about "Feed technique" patented technology

The invention discloses a method of a two-step united multi-strain fermented feed, and belongs to the technical field of feeds. The fermented feed disclosed by the invention is obtained through two steps of aerobic fermentation and anaerobic fermentation by using maize flour, palm dregs, soybean meal, bran and middling as raw materials and by using rhizopus nigricans, aspergillus oryzae, bacillus subtilis, lactobacillus plantarum and beer yeast as fermenting strains. The feed fermented through the method disclosed by the invention has the advantages that the protein content is as high as 30-34% which is increased by 45-62% than that of raw materials, the content of alpha-amylase is as high as 90-110U/g, the enzyme activity of acidic protein is as high as 110-130U/g, and the feed is rich in protein, rich in probiotics and high in enzymic activity. The method disclosed by the invention has the characteristics of high maneuverability, being suitable for large-scale industrial production and the like, and has favorable market prospects.

An antenna apparatus and method includes an orthogonal slot antenna which overcomes the limitations associated with RF choke between the adjacent slots through various feed techniques. A cavity backed cross-slot antenna includes a horizontal slot antenna, a vertical slot antenna sharing a center portion with the horizontal slot antenna, a first feed for the horizontal slot antenna, and a second feed for the vertical slot antenna, the first feed and the second feed provided to the shared center portion. Another cavity backed cross-slot antenna includes a horizontal slot antenna, a vertical slot antenna, the horizontal slot antenna and the vertical slot antenna share a center portion therebetween, a first feed feeding both halves of the horizontal slot antenna, and a second feed feeding both halves of the vertical slot antenna.

The invention belongs to the technical field of feed, and discloses a powder-particle mixed type weaned piglet feed and a preparation method thereof. The preparation method comprises the following steps: (1) mixing powdered raw materials of piglet feed, processing the mixed raw materials at a room temperature so as to obtain a powdered material; (2) mixing granular raw materials of piglet feed, processing and granulating the mixed raw material at a high temperature so as to obtain a granular material; (3) mixing the powdered material and the granular material according to a certain mass ratio so as to obtain the powder-particle mixed type weaned piglet feed; wherein the mass ratio of the powdered material to the granular material is 10:90-50:50. The powder-particle mixed type weaned piglet feed is suitable for piglets 3 to 5 days before the weaning. The feed is fragrant, and can promote the appetite of piglets. Moreover, part heat-sensitive vitamins and high-temperature intolerant microecological preparations are effectively protected. The crisp taste of the granular feed is fully accord with the feeding habits of piglets which has been weaned for 5 days. Furthermore, the feed can promote the digestion liquid secretion, and effectively exercise the gastrointestinal function of piglets.

The invention relates to a feeding method of a laying hen, and particularly relates to a feed for a laying hen and a feeding technique of the laying hen. As the laying hen is fed in an earlier egg laying stage, a middle egg laying stage and a rear egg laying stage, feeds in all stages are different. According to the feeding method, the nutritional requirement of the laying hen in each stage is effectively met, the peak season of the laying hen is greatly prolonged, the quality of eggs is effectively improved, and the market competitiveness of the eggs is improved.

The invention discloses a method for preparing whole wheat capable of being fed for cows and pigs, which belongs to the field of a feed technique, a microorganism technique and livestock breeding, and solves the problems that the wheat processing cost is high, the whole wheat cannot be digested when being fed for cows and pigs, and the price of corn rises, the feed cost is increased, and has no proper substitution. The method comprises the following steps: mixing the taken whole wheat, fresh distiller's grains and strain uniformly, keeping the moisture of a mixture to be 33-53wt%, bagging, sealing or storing in a cellar, carrying out anaerobic fermentation for more than 35 days, or carrying out anaerobic fermentation until pH value is 4.0-3.8. The method is simple to operate, and is easy for industrialization; the prepared whole wheat is not required to be crushed or grinded, can be fed directly or can be stored for a long time, and the cost is reduced by 17.4-43.5% compared with the cost of non-prepared whole wheat; the whole wheat can act as the unique refined supplementary food of beef cattle, can replace 50% of high productive diary cow refined supplementary food and 65% of concentrated feed for growth and fattening of pigs, and the feed cost consumed for weight increasing per unit/milk production can be greatly reduced.

The invention belongs to the technical field of feeds, and particularly relates to high-stability aquatic product feed granules and a preparation method thereof. The high-stability aquatic product feed granules provided by the invention sequentially comprise a feed core layer, a slow-release layer and a coating layer from the inner part to the outer part, wherein the coating layer consists of a hydrophilic light material and a hydrophobic light material; the slow-release layer consists of vital wheat gluten; and the feed core layer is prepared through the steps of mixing a feed with an appropriate amount of two-CHO group nanocellulose and a sericin solution, performing homogenizing, adding sodium bicarbonate, performing atomizing, spraying calcium chloride to obtain solid matter, and thenperforming drying. The aquatic product feed granules have a three-layer structure, the core layer adopts the sericin and the two-CHO group nanocellulose as carriers, the density ratio is low, more active components can be adsorbed, and slow release of the active components is facilitated. The coating layer consists of light materials, and can separate water from entering the feed core layer; and the slow-release layer achieves a certain delaying effect on infiltration of moisture. The prepared feed granules are good in stability, and high in biological availability.

The invention relates to an inverted A2/O step feed coupled aerobic particle sludge reinforced synchronous nitrification/denitrification dephosphorization device, belonging to the technical field of biological methods. In order to solve the problems of high energy consumption by sludge internal reflux, low water-quality water-flow fluctuation resistance and influence of reflux mixed sludge on anaerobic-section phosphorus release effect in the existing UCT step feed, the device combines an inverted A2/O step feed technique and an aerobic particle sludge process. The new technique has the characteristics of stable denitrification and dephosphorization effects, energy saving, consumption reduction, high water-quality water-flow fluctuation resistance and the like.

A method and apparatus for reducing a length of an antenna (402) involves an arrangement which includes an orthogonal antenna feed. An antenna includes a radiating element (404) with a length extending along an axis (418). The orthogonal feed arrangement permits recovery of a portion of the spatial volume comprising the antenna which is normally used for antenna matching circuitry (406). An end portion of the radiating element is chosen to be helically shaped and includes an RF feed gap. The RF feed gap is coupled to a matching network which includes elongated conductors (412). The matching circuitry is positioned so that the elongated conductors are adjacent to the first end portion and extend in a direction aligned with the axis, but orthogonal to the coils forming the helically shaped end portion.

A process for preparing a silicon melt in a crucible for use in growing a single crystal silicon ingot by the Czochralski method. The crucible is first loaded with chunk polycrystalline silicon and heated to partially melt the load. Granular polycrystalline silicon is then fed onto the exposed unmelted chunk polycrystalline silicon to complete the charge of silicon in the crucible. The granular polycrystalline silicon is intermittently delivered using a plurality of alternating on-periods and off-periods. During each on-period, granular polycrystalline silicon is flowed through a feed device that directs the granular polycrystalline silicon onto the unmelted chunk polycrystalline silicon. During each off-period, the flow of the granular polycrystalline silicon is interrupted. The loaded chunk polycrystalline silicon and the fed granular polycrystalline silicon are melted to form the silicon melt.

The invention relates to cattle and sheep universal feed additive and a preparation method thereof, belonging to the technical field of feeds and aiming at solving various problems of cattle and sheep caused by microelement deficiency in feeds. The additive comprises the raw materials of nickel salts, molybdate, CuSO4, MnSO4, FeSO4, ZnSO4, MgSO4, KI, CoCI2, Na2SeO4, amino acid, vitamin, flavoring agent, NaSO4, CaPHO4 and CaCO3. The additive is prepared from the raw materials by adopting the steps of crushing, mixing, and the like. In the additive, nickel element and molybdenum element are added on the basis of reasonably adapting multiple microelements, therefore, the matching of the microelements is more all-sided. The additive can enhance the immunity of cattle and sleep, coordinate and absorb nutrient substances and discharge toxic substances, eliminate parorexia of cattle and sheep, enhance the digestion and absorption functions and solve the problems of low production performance, easy morbidity, difficult hybridization and low baby animal survival ratio of cattle and sheep.

A process for preparing an aqueous styrene-butadiene polymer dispersion by free-radical aqueous emulsion polymerization of a monomer mixture M containing from 40 to 80% by weight of styrene as monomer M1, from 20 to 60% by weight of butadiene as monomer M2, and from 0 to 40% by weight, based on 100% by weight of monomers, of ethylenically unsaturated comonomers M3 other than styrene and butadiene by a monomer feed technique in the presence of from 0.05 to 0.5% by weight, based on 100% by weight of monomers, of at least one hydrocarbon HC having 6 to 20 carbon atoms selected from compounds which on abstraction of a hydrogen atom form a pentadienyl radical or a 1-phenylallyl radical and α-methylstyrene dimer comprises raising, at a point in time when at least 70% of the monomers to be polymerized have been supplied to the polymerization reaction, the concentration of butadiene in the monomer feed for a period of at least 1% of the total feed time by at least 10% by weight, based on monomers in the feed.

The invention discloses mixed feed for breeding boars and a preparation method of the mixed feed, and relates to the technical field of animal feed, aiming to solve the technical problems of unreasonable feed component matching, easily-caused poor reproductive performance of the breeding boars and high breeding cost in the prior art. The mixed feed comprises main materials, 25-40 parts of premix and 12-18 parts of additives. The main materials comprise, by weight, 500-520 parts of corn, 40-60 parts of sorghum, 90-110 parts of hulled barley, 115-135 parts of bean pulp, 5-15 parts of egg powder, 40-60 parts of fermentation distillers' grains, 50-70 parts of biological fermentation feed and 40-60 parts of wheat bran. The preparation method is mainly applied to production of the mixed feed for the breeding boars.

A process for preparing an aqueous styrene-butadiene polymer dispersion by free-radical aqueous emulsion polymerization of a monomer mixture M containing from 40 to 80% by weight of styrene as monomer M1, from 20 to 60% by weight of butadiene as monomer M2, and from 0 to 40% by weight, based on 100% by weight of monomers, of ethylenically unsaturated comonomers M3 other than styrene and butadiene by a monomer feed technique in the presence of from 0.05 to 0.5% by weight, based on 100% by weight of monomers, of at least one hydrocarbon HC selected from compounds having 6 to 20 carbon atoms which on abstraction of a hydrogen atom form a pentadienyl radical or a 1-phenylallyl radical and from α-methylstyrene dimer comprises supplying the monomers to be polymerized to the polymerization reaction over the course of 3 hours.

The invention discloses a method for large-scale propagation of the small flower bug. In the present invention, western flower thrips and broad bean aphid are combined to feed southern flower bugs, which fully utilizes the advantage of fast growth rate of the broad bean aphid population, and at the same time utilizes western flower thrips to improve the survival rate of newly hatched nymphs and adult reproduction of southern flower bugs The characteristics of the force, that is, feeding the newly hatched nymphs of the southern flower bug to the western flower thrips to improve the survival rate, combined with the 2-5th instar nymphs to feed the broad bean aphid to reduce the feeding cost, and then achieve the purpose of low-cost and high-efficiency breeding of the southern flower bug. Created a set of breeding technology process suitable for large-scale breeding of small flower bugs, which can quickly and efficiently multiply the southern flower bugs in large quantities, and can be used for field control of thrips, spider mites, aphids and other pests.

The invention provides ingredients for fire refining of scrap copper and a smelting method. The ingredients include 96-97.5% by mass of raw materials and 2.5-4% by mass of auxiliary materials, wherein the raw materials include 59-79% of lump scrap copper baling materials or/and blister copper lumps, 17-29.6% of bottoming copper, 2.5-5.8% of a waste anode plate or/and an electrolytic residual anode plate and 2.5-5.6% of bulk materials; the auxiliary materials include quartz, pig iron and lime which are in the ratio of (2:8): (0.5-1): (0.5-1). For feeding, the bulk materials are fed at first, and then 60-90% of lump scrap copper baling materials or/and blister copper lumps, the lime and 25-50% of quartz are fed; next, the bottoming copper and the left 10-40% of lump scrap copper baling materials or/and blister copper lumps are fed; after the materials are molten in a furnace, the pig iron and the left 50-75% of quartz are fed to begin the stage of oxidization; finally, the waste anode plate or/and electrolytic residual anode plate is/are added. The ingredients provided by the invention fill a vacancy in the burdening and feeding techniques in the existing high-grade scrap copper refining process; and as a result, the service life of a metallurgical furnace is prolonged and the smelting period of the scrap copper is shortened.

A dipole antenna system is disclosed. An indirect feed technique is used to feed the antenna and the radiating elements are connected to a shield of a coax cable. The balanced termination allows for improved bandwidth compared to conventional dipole antenna configuration and helps manage current on the shield of the coax cable.

The invention relates to three-stage feed for local broiler chickens and a preparation method thereof and belongs to the technical field of feed. The three-stage feed for local broiler chickens comprises first-stage feed, second-stage feed and third-stage feed; and the three-stage feed is mainly prepared from corn, rice bran, bean meal, calcium hydrogen phosphate, stone powder, trace element premix, vitamin premix, salt, a microecological preparation and the like. The three-stage feed for local broiler chickens has good palatability and low feed conversion ratio, is easy to digest and absorb and can meet the nutritional requirements of local broiler chickens, improve the disease resistance of the local broiler chickens and improve the immunity of the chickens. Meanwhile, the three-stage feed for local broiler chickens has moderate metabolic energy value and high nutritional level, the local broiler chickens have fast growth and low mortality after the feed is used, occurrence of respiratory disease in the chickens can be effectively prevented, and the fed broiler chickens maintain the due meat quality and mouthfeel of local chickens and have a delicious meat taste and high popularization value.

A process for preparing an aqueous styrene-butadiene polymer dispersion by free-radical aqueous emulsion polymerization of a monomer mixture M containing from 40 to 80% by weight of styrene as monomer M1, from 20 to 60% by weight of butadiene as monomer M2, and from 0 to 40% by weight, based on 100% by weight of monomers, of ethylenically unsaturated comonomers M3 other than styrene and butadiene by a monomer feed technique in the presence of from 0.05 to 0.5% by weight, based on 100% by weight of monomers, of at least one hydrocarbon HC having 6 to 20 carbon atoms, which is selected from compounds which on abstraction of a hydrogen atom form a pentadienyl radical or a 1-phenylallyl radical and from α-methylstyrene dimer comprises including at least 30% of the hydrocarbon HC in the initial charge to the polymerization vessel and supplying the remainder of the hydrocarbon HC to the polymerization reaction in the course of that reaction.