39 results about "Beaver" patented technology

The invention relates to a special feed for beaver rabbits, which is characterized in that granules which are made from raw materials as grass meal 30-50 parts by weight, corn 20-30 parts by weight, soya bean waste 15-20 parts by weight, bran 13-18 parts by weight, fish meal 2 parts by weight, animals and vegetable oil 1.5 part by weight, yeast 2 parts by weight, methionine 0.4 part by weight, lysine 0.25 part by weight, table salt 0.4-0.5 part by weight, and vitamin complex additive electrolytic multivitamin 0.5 part by weight. The invention has comprehensive nutrition and is compositely processed into the granules by multiple raw materials, thereby various nutrient contents are mutually supplemented, and the nutritional requirements of growth, development, breeding and lactation of the beaver rabbits and the like in different physiological steps are capable of being met. The invention has the advantages of low cost and high survival rate of the beaver rabbits. The invention is particularly suitable for the physiological demand of the beaver rabbits, the crop rate of the first grade fur is above 95 percent, and the benefits are capable of achieving the best state.

The invention relates to a beaver rabbit feed, which belongs to the feed field. The beaver rabbit feed mainly comprises the components of robenidine hydrochloride, monensin, salinomycin, bacitracin, garlicin, feed yeast, feed grade magnesium sulphate, feed grade DL-methionine, feed grade L-lysine hydrochloride, common salt, sulfur, calcium hydrophosphate, copper element, zinc element, iron element, choline chloride and vitamin complex premix, etc. The beaver rabbit feed can ensure that the conception rate of female beaver rabbits is improved to more than 93 percent and even to 100 percent; by adopting the beaver rabbit feed, the survival rate at 60 days of the beaver rabbits in the growing period can be improved to about 95 percent, and the growth cycle can be reduced by about half a month; simultaneously the growth of the hair of the beaver rabbit can be promoted, and the density, thickness uniformity and color brightness of the hair can be improved.

The invention relates to beaver rabbit feed and a preparation method thereof, wherein the feed comprises the following raw materials in percentages by weight: 25-45 corn gluten, 8-20 bran, 8-25 vinasse, 3-5 pine needle, 7-15 corn, 3-7 unite bran, 7-15 bean pulp, 2-7 rapeseed meal, 2-4 binding agent, 1-4 premix compound, 0.55 lysine and 0.55 methionine-cystine. The preparation method comprises thefollowing steps: getting the materials ready; crashing; treating the pine needle; stirring; granulating; packing; and putting in storage. The feed can avoid a beaver rabbit from getting gastro-intestinal diseases during the growth process, solves the long-standing difficult problem of high death rate of beaver rabbits due to gastro-intestinal diseases and has the survival rate up to 90-95 percent;the raw materials of the feed are vegetal without containing chemical ingredients and belong to green environment-friendly feeds; fur and meal of the beaver rabbits fed by the feed not only have goodquality, but also no any toxic hazards to the human body, wherein the fur is suitable for manufacturing top-grade clothes and ornaments, and meal and internal organs can be used as high-class nutritious foods or medicines; in addition, the feed has wide materials, low price, simple preparation method and low production cost.

The invention discloses juvenile beaver rabbit feed, which consists of 10 to 55 weight percent of bean cake powder, 10 to 20 weight percent of corn powder, 10 to 15 weight percent of peanut powder, 8 to 16 weight percent of flour, 6 to 15 weight percent of Baizi kernel powder, 8 to 10 weight percent of sweet potato powder, 1.2 to 3 weight percent of bone meal, 1.5 to 3 weight percent of fish meal, 0.2 to 0.5 weight percent of table salt, 0.1 to 0.5 weight percent of Tule (an additive), 0.2 to 0.8 weight percent of methionine and 0.2 to 0.8 weight percent of additive. The previous 6 material are fed into a feed grinder to be ground, the mixture is taken out and added with the bone meal, fish meal, table salt, Tule, methionine and the additive, the new mixture is fed into a feed mixer to be mixed for 50 minutes, the new mixture is taken out and fed into a heater to be heated to 40 to 45 DEG C for 30 minutes, and the new mixture is taken out, cooled and fed into a multipurpose ring-mode hard grain making machine to be formed into hard gain feed, the feed is taken out and sieved by a 80-mesh sieve and each grain is about 0.2 gram.

The invention discloses gestational female beaver rabbit feed, which consists of bean cake powder, wheat straw powder, corn powder, green grass leaf powder, sweet potato powder, peanut cake powder, bone meal, shrimp meal, vivipara meal, milk powder, table salt, Tule(an additive) compound vitamins and lysine. The previous 11 materials are fed into a feed mixer in a ratio to be mixed for 30 minutes, the mixture is taken out and fed into a feed grinder to be ground, the mixture is taken out and added with the Tule, compound vitamins and lysine, the new mixture is fed into the mixer to be mixed for 10 minutes, taken out and fed into a multipurpose ring-mode hard grain making machine to be heated to 30 to 40 minutes for 15 minutes to be formed into precipitated hard grain feed, the feed is taken out and sieved by a 180-mesh sieve and each grain is about 0.5 gram.

The invention relates to a feed for newborn beaver rabbits, which belongs to the technical field of animal feeds, and mainly aims to solve the problems of weak immunity and digestion which are easy to cause abdominal distension, diarrhea, coccidium infection and low survival rate of the newborn beaver rabbits. The feed for the newborn beaver rabbits is prepared by mixing corn flour, bran, soya bean meal, lucerne, corn stalks, Double X, stone powder, salts, calcium tablets, magnesium sulfate, manganese sulfate, sulphur, ferrous sulfate, copper sulfate, zinc sulfate, vitamin additives and probiotic additives. The feed for the newborn beaver rabbits has the advantages of enhancing the immunity and resistance of the newborn beaver rabbits, promoting the digestive function of the newborn beaver rabbits, effectively preventing the newborn beaver rabbits from suffering the abdominal distension, the diarrhea and the coccidium infection, and improving the quality and survival rate of the newborn beaver rabbits.

The invention relates to a feed for improving the fur quality of a beaver rabbit, which is characterized by being prepared by the following raw materials in percentage by weight: 20-40 percent of alfalfa hay, 10-20 percent of straw, 15-30 percent of bran, 3-5 percent of pearl barley, 8-15 percent of bean pulp, 0.8-1.2 percent of cystinol and methionine, 0.4-0.6 percent of table salt, 2-3 percent of calcium hydrophosphate and 1-2 percent of bone meal. The feed can be used according to a feeding method of conventional feed when in use. By feeding through adopting the feed, the fur of the beaver rabbit in same month and weight can be improved by one grade or so, particularly, the fur is dense, long and smooth and has good gloss, and the growth speed in same month is high.

Compositions and methods useful for fishing are described. In particular, compositions which include one or more fish attractants and which combine several advantageous properties, including moldability at ambient temperatures, sustained release of attractant(s), and ability to resist casting forces due to increased wet strength, are described. These advantages are achieved by combining a polymer such as a cellulose ester, a plasticizer, one or more fish attractant food sources, and optionally one or more fillers. The compositions may include up to 50% attractants, rendering them an effective bait material for attracting fish, crustaceans, other aquatic creatures such as marine mammals, mink, beaver, nuisance pests such as insects, rodents, and coyotes or game species such as deer and bear.

Provided is a pre-calculation device capable of keeping a secret against malicious behaviors of participants while keeping a processing load small. A Beaver triple generation processor generates a secret-shared Beaver triple formed of two secret-shared random numbers and a secret-shared value of a product of the two random numbers. A Beaver triple random inspection processor randomly selects a secret-shared Beaver triple, restores the Beaver triple through communication to and from other pre-calculation devices, and confirms that a product of first two elements is equal to a third element. The Beaver triple position stirring processor randomly replaces Beaver triples that have not been restored, to generate replaced secret-shared Beaver triples.

Provided is a pre-calculation device capable of keeping a secret against malicious behaviors of participants while keeping a processing load small. A Beaver triple generation processor generates a secret-shared Beaver triple formed of two secret-shared random numbers and a secret-shared value of a product of the two random numbers. A Beaver triple random inspection processor randomly selects a secret-shared Beaver triple, restores the Beaver triple through communication to and from other pre-calculation devices, and confirms that a product of first two elements is equal to a third element. The Beaver triple position stirring processor randomly replaces Beaver triples that have not been restored, to generate replaced secret-shared Beaver triples.

The invention belongs to the technical field of beaver board production and relates to manufacturing of floor base materials, in particular to a manufacturing technique for a geothermal floor base material and the base material. According to the manufacturing technique for the geothermal floor base material, the production technological process comprises the steps of wood chip forming, screening, water washing, stewing, hot grinding, applying of a non-formaldehyde adhesive and a waterproof agent, drying, applying of additives, paving, prepressing, hot pressing, cooling and grading packaging. According to the manufacturing technique for the geothermal floor base material, by adjusting the adhesive applying technique, aluminum oxide and carbon fiber powder are added in fibers, and thus the manufactured floor base material is free of formaldehyde and good in water resistance. The heat conductivity and size stability of the geothermal floor base material are improved, the hidden danger that formaldehyde pollution is released in the using process of composite geothermal floors is eliminated, the problems of deformation, arching, open joint contraction and the like during usage of the composite floors are reduced, the heat conductivity and the heat insulation of the geothermal floors are improved, and the energy consumption is reduced.

The invention provides a beaver incisor structure-imitated anti-corrosion branch crushing tool. The anti-corrosion branch crushing tool consists of a bionic blade and positioning bolts, wherein the bionic blade consists of a bionic cutting edge and a tool holder; U-shaped positioning holes 5 are formed in the tool holder 4; each positioning bolt 2 is arranged in the corresponding U-shaped positioning hole 5 in manner of being perpendicular to the tool holder 4, thereby realizing fixed connection between the bionic blade 1 and a body of a crusher; the profile curve of the upper cutting surfaceof the bionic cutting edge 3 of the bionic blade 1 is a beaver incisor structure-imitated curve, and the curvilinear equation is as shown as follows: f(x)=a1x<2>+a0x; wherein the value range of a1 is-0.012 to -0.008, the value range of a0 is 0.55 to 0.70, and the value range of x is 0mm to 30mm; an MoS2 microballoon structure covers the upper surface of the bionic cutting edge; and nanopillars are distributed on the surface of the MoS2 in the radial direction. As a beaver incisor structure is imitated by the tool provided by the invention, during branch crushing, working resistance of the branch crushing tool is reduced, and crushing efficiency is increased.

The invention relates to a beaver rabbit feed, which belongs to the technical field of animal feeds. The beaver rabbit feed mainly solves the technical problems of lack of feeding standards, severe feed waste, high cost, high incidence of diseases, low rabbit fur quality and low economic benefit. The beaver rabbit feed of the invention comprises the following components in part by weight: corn powder, bran, bean pulp, alfalfa, corn stalk, Double X, mountain flour, salt, calcium tablet, magnesium sulfate, manganese sulfate, ferrous sulfate, copper sulfate, brenstone, zinc sulfate, vitamin additive and probiotic additive. The formula of the beaver rabbit feed can effectively control coccidium infection, improve the immunity and digestion of beaver rabbits, prevent abdominal distension and diarrhea phenomena, effectively stimulate the rapid growth of hair follicles of the beaver rabbits in their life, improve the fur quality of the beaver rabbits and increase the hair yield by 10 to 20 percent.

The invention relates to an underground robot, and aims to provide a beaver tail motion-simulated swing mechanism; and the mechanism has the characteristics of high thrust force, high pushing efficiency and low weight, and is used as a pushing mechanism of the robot. The beaver tail-simulated swing mechanism is characterized by comprising a frame provided with a motor, a swing piece mechanism rotationally hinged to the frame to form a swinging tail, and a transmission mechanism for transferring the power of the motor to drive the swing piece mechanism; the transmission mechanism comprises a crank slide block mechanism driven by the motor, a rack gear mechanism driven by the crank slide block mechanism, and a rope winding wheel driven to wind a flexile rope repeatedly by the rack gear mechanism; and the swing piece mechanism is formed by hinging multiple swing pieces end to end in sequence from front to back, and hinge axles thereof are horizontally arranged.

The invention relates to feed for female beaver rabbits, and belongs to the technical field of animal feed, which mainly solves the technical problems of unreasonable nutrient collocation of the female beaver rabbits, few farrowing number of the female rabbits, low survival rate of newborn rabbits, slow growth and poor quality. The feed for the female beaver rabbits is prepared by mixing corn meal, bran, bean pulp, alfalfa, corn stalk, Enercal health, salt, calcium tablets, magnesium sulfate, manganese sulfate, ferrous sulfate, copper sulfate, brenstone, zinc sulfate, a vitamin additive and a probiotic additive. The feed has the advantages of multiple farrowing number of the female rabbits, high survival rate of the newborn rabbits and good quality.

An apparatus for water level management in bodies of water is provided herein. Further, a method of controlling beaver infestation in bodies of water is also provided.

The invention belongs to the technical field of robots, and aims to provide a beaver-imitating leg water-skiing device. The beaver-imitating leg water-skiing device should have the characteristics ofsimple structure, large thrust and low resistance. According to the technical scheme, the beaver-imitating leg water-skiing device is characterized in that the beaver-imitating leg water-skiing devicecomprises a rack, two motors arranged on the rack, two branches arranged on the two sides of the rack and driven by the motors, and foot parts arranged at the tail ends of the branches correspondingly; the branches comprise first four-rod mechanisms and second four-rod mechanisms which are both sequentially connected between the rack and the foot parts and further comprise crank rocker mechanismsconnected between the motors and the first four-rod mechanisms; each first four-rod mechanism comprises a first connecting rod, a second connecting rod, a third connecting rod and a fourth connectingrod which are hinged into a whole sequentially front and back; each second four-rod mechanism comprises a first connecting rod, a fifth connecting rod, a sixth connecting rod and a seventh connectingrod which are hinged into a whole sequentially front and back; and each crank rocker mechanism comprises a driving wheel and a fourth connecting rod.

The invention relates to a beaver rabbit feed, which belongs to the feed field. The beaver rabbit feed mainly comprises the components of robenidine hydrochloride, monensin, salinomycin, bacitracin, garlicin, feed yeast, feed grade magnesium sulphate, feed grade DL-methionine, feed grade L-lysine hydrochloride, common salt, sulfur, calcium hydrophosphate, copper element, zinc element, iron element, choline chloride and vitamin complex premix, etc. The beaver rabbit feed can ensure that the conception rate of female beaver rabbits is improved to more than 93 percent and even to 100 percent; byadopting the beaver rabbit feed, the survival rate at 60 days of the beaver rabbits in the growing period can be improved to about 95 percent, and the growth cycle can be reduced by about half a month; simultaneously the growth of the hair of the beaver rabbit can be promoted, and the density, thickness uniformity and color brightness of the hair can be improved.

The invention belongs to the technical field of robots, and aims to provide a propelling device swinging like beaver tails; and the device has the characteristics of simple structure, convenience to control and high thrust. The propelling device swinging like the beaver tails is characterized by comprising a frame with a motor, a swing rod mechanism rotationally hinged to the frame, and a transmission mechanism for transferring power of the motor to drive the swing rod mechanism to move; the swing rod mechanism is formed by hinging multiple swing rods end to end in sequence; besides of the last swing rod, the other swing rods are provided with transmission shafts capable of rotating around the axes of the swing rods; the transmission mechanism comprises transmission shafts arranged in the swing rods, universal joints for transferring the power of the motor to the transmission shafts, and multiple bevel gear sets for driving all the swing rods to move; and the universal joints are arranged between a rotating shaft of the motor and the transmission shaft of the first swing rod and between the transmission shafts of the front and latter two swing rods.

The invention discloses a bionic cave for protecting beavers. The bionic cave is constructed in shore river water and comprises an ellipsoidal crown-shaped concrete base, the surface of the ellipsoidal crown-shaped concrete base is covered with a polyurethane heat preservation and insulation layer and a clay layer, the ellipsoidal crown-shaped concrete base is provided with an inlet and two escapeways, the inlet and the two escape ways are immersed in the river water, a bionic bed is built on the clay layer of the ellipsoidal crown-shaped concrete base, a polyurethane heat preservation and insulation layer and a clay layer are sequentially arranged on the inner side of the hole top reinforced concrete shell structure, dead wood branches for hiding a hole are arranged on the outer surfaceof the hole top reinforced concrete shell structure, a ventilation opening is formed in the center of the top of the hole top reinforced concrete shell structure, three lighting channels are evenly distributed on the periphery, and lighting glass is arranged on the lighting channels. The bionic cave for the beavers is simple in type, capable of creating a beaver habitat, long in service life, highin safety coefficient, beneficial to increase of the beaver livelihood industry and the population number and beneficial to national first-level animal beaver protection.

The invention discloses a bionic design method for a hammer sheet structure of a crusher, which comprises the following steps: selecting a mature and complete beaver incisor as a bionic prototype, obtaining point cloud data of the beaver incisor through industrial CT (computed tomography), constructing a three-dimensional solid model of the beaver incisor by using reverse engineering software, analyzing the scanned beaver incisor structure, carrying out finite element simulation on the tooth cutting movement process through finite element software, determining functional features on the incisor, extracting incisor feature parameters, designing corresponding response surface test schemes, simulating and analyzing all the designed test schemes through a finite element method, and then designing the optimal bionic hammer, wherein according to the designed crusher hammer sheet structure, sawtooth structures which are arranged at intervals are arranged on the two sides of an original structure; According to the method, the material crushing efficiency of the hammer sheet can be improved, and the service cycle of the hammer sheet is prolonged.

The invention discloses a michelia alba-beaver essence. The components of the essence comprise linalool, alpha-pentyl cinnamyl aldehyde schiff base, bergamio, benzyl acetate, benzyl alcohol, michelia alba concrete, allyl caproate, Cananga odorata essence base, alpha-hexyl cinnamyl aldehyde, tree orchid oil, phenethyl alcohol, lyral, purple perilla oil, acetic acid p-cresol ester, benzyl salicylate, celestolide, musk 105, musk ketone, labdanum concrete, coumarin, piperonal, ethyl vanillin, civet essence base, oil of daidai leaf, alpha-irisone, methyl irisone, balsamroot oil, Japan cypress wood oil, sandalwood 803, cinnamyl alcohol, Anaphalis margaritacea Benth.et Hook oil, oakmoss extract and storax resin. The michelia alba-beaver essence of the invention is fit for the perfuming products such as white grease, emulsion, shampoo, and the like, and has the advantages of pure fragrance, strong durability, less dosage, and the like.

The invention discloses a breeding method for generating a rex rabbit in brown and beaver. The method comprises the steps that 1, a rex rabbit in beaver color serves as a female parent, a white rex rabbit serves as a male parent, and first-time hybridization is conducted between the female parent and the male parent to generate a F1 generation female rex rabbit; 2, second-time hybridization is conducted between the F1 generation female rex rabbit generated in the first step and a male rex rabbit in beaver color to generate a commodity rex rabbit. Compared with the prior art, the commodity rex rabbit in beaver color generated by adopting the breeding method is good in breeding performance, high in proportion of the beaver color in later generations, high in wool density and low in coarse wool rate. The breeding method for generating the rex rabbit in beaver color is an effective mode for breeding the rex rabbits in beaver color.

A method for preparing medical sutures from tail tendons of beavers mainly comprises steps as follows: extraction and processing of tail tendon tissue of the beavers, stretching and cleaning by the aid of a special tension device, preparation of sutures with needles, detection and packaging. The tension device comprises a base support, a motor, a belt pulley, a rotary drum, a rotary drum shaft, a bearing seat, a batten, an arc bristle brush mounting plate and bristle brushes. The method has the benefits as follows: 1, the prepared sutures have all-natural biological original nature; 2, the sutures are completely absorbed and do not have side effects; 3, tissue compatibility is good; 4, the sutures have smooth surfaces, yarn evenness, accurate suture diameter and ideal tension strength. With the adoption of one tension device, a large amount of tail tendon tissue of the beavers can be fixed, and the efficiency is high; besides, the tail tendon tissue of the beavers can be cleaned while the tail tendon tissue of the beavers is fixed and stretched to guarantee the tension strength, cleanliness and smoothness of a product are improved, and pain of a patient in surgical suturing is relieved.

A method for cultivating a fragrant beaver variety, 1. Select a beaver that is large in size, strong in activity, thick and soft in fluff, and strong in cold regions, and selects a beaver with a high reproductive rate, a strong body shape, a long tail, a large sachet, and a strong fragrance. The Mongolian subspecies with good omnivorousness were crossed with domesticated beavers in the south; (2) Using the pedigree selection method, after several generations of elimination and breeding, a large body, good omnivorousness, high childbirth rate, large sachet, and It is a species of civet with a strong aroma and a large and long tail. After epidemic prevention treatment, it is bred in zoos or specific farms. The tail is used as a medical suture, the sachet is extracted as a spice, and its fur can also be used.

The invention discloses beaver medicinal liquor for adjuvant therapy of rheumatic pain and a preparing method thereof, and belongs to the technical field of medicinal liquor. The beaver medicinal liquor for adjuvant therapy of rheumatic pain is prepared from, by weight, 120-140 parts of beaver bone meal, 30-40 parts of rhizoma dioscoreae nipponicae, 50-55 parts of chinaroot greenbrier, 30-40 parts of rhizoma cibotii, 37-42 parts of paniculate swallowwort root, 45-55 parts of fructus lycii, 25-35 parts of pawpaw, 55-65 parts of radix codcnopsitis pilosulas, 25-35 parts of cortex acanthopanacis, 35-45 parts of zaocys dhumnade, 30-35 parts of suberect spatholobus stem, 25-35 parts of eucommia ulmoides and 7500-8500 parts of rice wine. The invention further discloses the preparing method of the beaver medicinal liquor for adjuvant therapy of rheumatic pain. The medicinal liquor takes beaver bone meal and various natural herbal medicine materials are raw materials, has the effects of dispelling the wind, eliminating dampness and activating meridians to stop pain, has a good treatment effect or pain relieving function on rheumatism and is safe, reliable and free of toxic and side effects.

The invention discloses a medicated diet method for curing night urinary frequency. According to the medicated method, preserved beaver meat is simmered with pork oil, fermented soybeans, fresh gingerand garlic so as to prepare the medicated diet. Patients can eat the medicated diet once when having dinner or drinking. The medicated diet takes into effective at the very night, reducing night urinary rates from 3-6 to 1-3. As long as patients have the medicated diet for dinner once every week, the night urinary frequency can be controlled effectively, dropping by 50%.

The invention discloses a bionic channel for protecting beavers built near the barrage, which includes the barrage built on the river channel according to the surrounding terrain lines, and the bionic channel for protecting beavers constructed by selecting suitable surrounding terrain lines for protecting beavers. Build dead wood sills and gates to adjust the water level and flow in the bionic channel, artificially plant hairy willows at the entrance and exit of the bionic channel and on both sides, and choose suitable surrounding terrain lines to build a replenishment pool to replenish water for the bionic channel. The water supply pool is controlled by valves. The regulating pool replenishes water. The regulating pool supplies water to the bionic channel through the gate. At the same time, the replenishing pool waters the artificially planted willows. The channel type is simple and creates a beaver habitat, which is conducive to the protection of the national first-class protected animal beaver, and is conducive to the exchange and reproduction of the beaver populations blocked by the construction of the dam, and the optimization and improvement of the race.