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71 results about "Common ostrich" patented technology

The ostriches are a family, Struthionidae, of flightless birds. The two extant species of ostrich are the common ostrich and Somali ostrich, both in the genus Struthio, which also contains several species known from Holocene fossils such as the Asian ostrich. The common ostrich is the more widespread of the two living species, and is the largest living bird species. Other ostriches are also among the largest bird species ever.

Self-adaption sand land biomimetic mechanical foot

The invention discloses a self-adaption sand ground biomimetic mechanical foot, and belongs to a foot type robot mainly applied to walking on sand ground. The self-adaption sand ground biomimetic mechanical foot consists of a support frame, a linear motor, a connecting element, a first foot toe, a second foot toe, an elastic fabric, a buffer mechanism and the like, wherein the connecting element consists of a first connecting element, a second connecting element, a pin shaft and a screw stud; the buffer mechanism consists of a support frame, a foot sole, a spring and a connecting post, and is used for simulating an ostrich tarsometatarsus joint to achieve the buffer and shock absorption effects. The self-adaption sand ground biomimetic mechanical foot can achieve the beneficial effects that when the robot walks on the sand ground, the two toes are separated when the foot touches the ground; the elastic fabric spreads, so that the ground contact area is increased; the stability of the robot is improved; when the foot is lifted up, the two toes are closed and are overlapped for a certain area; the elastic fabric contracts; the stress area in the moving process is reduced. Meanwhile, the bottom of the first foot toe and the bottom of the second foot toe are provided with groove structures matched with the elastic fabric; the sand fixing and current limiting functions can be realized; the gait stability and the traction performance of the foot type robot can be improved.
Owner:JILIN UNIV

Mechanical leg imitating ostrich hind limb

The invention discloses a bionic mechanical leg imitating the motion function characteristic of an ostrich hind limb. The mechanical leg comprises a body, a hip joint motion mechanism, a knee joint motion mechanism and an ankle joint motion mechanism. The hip joint motion mechanism is composed of a motor and a crank-rocker mechanism, wherein the crank-rocker mechanism comprises a crank, a femur and a connecting rod. The knee joint motion mechanism comprises the femur, a first spring, a tibia, a metatarsus, a brake cable, a lower fibula, a second spring, an air cylinder and an upper fibula. The ankle joint motion mechanism comprises the metatarsus, a first apotelus bone, a second apotelus bone, a third apotelus bone, a third torsional spring, a second torsional spring and a first torsional spring. The ostrich hind limb capable of efficiently moving serves as the bionic prototype, through combination of testing on hind limb motion parameters during running of an ostrich and biological anatomic analysis, the mechanical leg imitating the ostrich hind limb is obtained through optimization design according to the tendon-bone and muscle-tendon interaction mechanism of the ostrich, and the mechanical leg is simple in structure, safe, reliable, low in vibration, and capable of efficiently saving energy.
Owner:JILIN UNIV

Bionic sand-crossing walking wheel

The invention discloses a bionic sand-crossing walking wheel. The bionic sand-crossing walking wheel consists of a plurality of wheel legs and a hub, wherein each wheel leg comprises a moving bottom plate, a fixed bottom plate and wheel stabs. The effects of limiting the flow, fixing the sand under the wheel and effectively preventing the wheel from sinking and sliding are achieved through the enlightenment is obtained according to the structure and the shape as well as the sand touching mode of the toe of the Affrican ostrich with excellent sandy-land passability, and by ingenious mutual matching of the moving bottom plates and the fixed bottom plates of the wheel legs; simultaneously the wheel stabs are controlled to stab into the sand under the wheel so as to play a role in increasing the traction and adhesion force; when the bionic sand-crossing walking wheel is separated from the sand and crosses forwards, the moving bottom plates of the wheel legs form backward pedaling to the compacted sandpile under the wheel under the action of the reaction force of the spring, so that the traction force of hooks is further increased, and at the moment, due to returning of the moving bottom plates and the retraction of the wheel stabs of the wheel legs, the disturbance to the sand is reduced when the wheel crosses forwards; and simultaneously, by retraction of the wheel stabs and optimization of the bottom plates of the wheel legs, the bionic sand-crossing walking wheel has good smoothness on the hard road.
Owner:JILIN UNIV

Artificial breeding method for African ostriches under high-altitude environment

The invention relates to an artificial breeding method for African ostriches under a high-altitude environment. The method comprises the following steps that the environment adaptability of the African ostriches is improved by utilizing a 'hybridization technology'; the laying environment is simulated and improved to improve the fertilization rate of breeding ostriches; a dedicated African ostriches hatcher in a high-attitude area is designed; an artificial hatching technology process of the African ostriches is formulated; a standard artificial breeding technology process of the African ostriches is formulated; warm-keeping poultry sheds in an experimental group are transformed; a feed formula is innovated. The method solves the problems of artificial breeding of the African ostriches under the high-altitude environment.
Owner:西宁山雨种养殖有限责任公司

Energy-saving walking leg mechanism simulating ostrich hindlimb movement function characteristic

The invention discloses an energy-saving walking leg mechanism simulating ostrich hindlimb movement function characteristic. The energy-saving walking leg mechanism comprises a rack, a crank connection rod mechanism, a rebounding mechanism and a toe, wherein the crank connection rod mechanism comprises a crank, a thigh and a rocking rod; the rebounding mechanism comprises a fixed sliding block, a crus, a movable sliding block, a connection rod, a spring, a baffle plate, a ratchet mechanism, a brake cable, an angle limiter and metatarsal bones. The energy-saving walking leg mechanism is designed on the basis of the size parameters of the ostrich hindlimb and the rebounding characteristics of joints between ostrich tarsal bones; an energy-saving and efficient walking leg is designed by simulating the ostrich hindlimb movement; the metatarsal bones automatically stretch by using the rebounding force generated by compressing the spring, so that the energy loss is reduced; the energy-saving and efficient walking leg simulating ostrich hindlimb movement function characteristic can achieve the energy-saving and efficient purpose.
Owner:JILIN UNIV

Vehicle wheel with an outer surface configured to simulate animal coverings

InactiveUS20050040697A1RimsWheel protectionSkin surfaceAcinonyx jubatus
The present invention comprises vehicle wheels wherein at least a portion of the outer surface of the wheel includes a pattern simulating animal skins. The animal skin pattern on the wheel may not necessarily cause a consumer to believe that the wheel is actually made of, or covered by animal skins, but it preferably includes a series of painted or etched markings, or indentations and / or imprints similar to those of animal skins. According to certain embodiments disclosed herein, the simulated animal skin surface of the wheel can be configured to resemble crocodile / alligator skins, zebra skins, tiger skins, cheetah skins, lizard skins and / or ostrich skins.
Owner:LEXANI WHEEL CORP

Bionic two-toe mechanical foot having capacity of foot bottom sensing

InactiveCN106864621AAchieving Adaptive SeparationEasy to controlVehiclesInstabilityEngineering
The invention discloses a bionic two-toe mechanical foot having the capacity of foot bottom sensing. A mechanical system comprises a bearing toe, an auxiliary toe, a supporting rod, a transmission shaft and a connecting flange plate; a control system comprises a power module, a resetting module, a sensor module, a signal conditioning module, a microprocessor and a steering engine module; when foot bottom pressure of an instability region on the outer side of a foot bottom exceeds a set threshold value, the microprocessor converts a pressure signal into an electrical signal for driving a steering engine to rotate so that the auxiliary toe and the bearing toe can be separated by a certain angle, and an auxiliary supporting effect can be achieved; meanwhile, by demarcating priorities, whether the foot bottom is instable or not and the instability degree are judged, the separating angle of the auxiliary toe and the bearing toe is controlled, and an energy-saving effect is achieved. With the two-toe foot structure and sand-touch two-toe posture of an ostrich being a bionic model, mechanical design is combined with control, the stability condition of a foot is judged, the function of self-adaptation auxiliary supporting is achieved for the two-toe foot, and the stability, the smoothness and the energy-saving performance of a foot-type robot are improved during walking.
Owner:JILIN UNIV

A kind of preparation method and application of refined ostrich oil

The invention belongs to the technical field of chemical invention, particularly relating to a preparation method and application of refined ostrich oil. The preparation method of the ostrich oil comprises the following steps: taking ostrich fat tissue as a raw material, mincing, putting into an extraction device, adding water, pressurizing to extract, and filtering and separating to obtain crudeostrich oil; melting the crude ostrich oil, adding dilute aqueous alkali, stirring, standing for layering, and collecting an oil phase; carrying out centrifugal dehydration after an oil layer is melted; collecting an upper layer of clarified oil phase; and drying in vacuum to remove trace moisture so as to obtain the refined ostrich oil. The ostrich oil disclosed by the invention can be used for preparing cosmetics, medical paste and body surface inflammation resistant drug. The preparation method has the advantages of simple technology, small equipment investment and high yield, is convenient to operate, does not contain organic solvent and is environmentally-friendly.
Owner:CHENGDU INST OF BIOLOGY CHINESE ACAD OF S

Preparation method for ostrich fodder

The invention relates to a preparation method for an ostrich fodder. The ostrich fodde comprises main components in percentage by weight: 12 to 16 percent of erythroculter powder, 10 to 12 percent of millet flour, 8 to 10 percent of soybean straw powder, 4 to 6 percent of barley flour, 2 to 4 percent of grass seed powder, 8 to 12 percent of wheat flour, 4 to 8 percent of soy protein powder, 8 to12 of corn flour, 8 to 10 percent of rice flour, 2 to 4 percent of calcium powder, 2 to 4 percent of cod-liver oil, 1 to 3 percent of salt, 1 to 3 percent of Danshen Roots, 2 to 4 percent of Indian Buead, 1 to 3 percent of Amur Corktree Bark, 2 to 4 percent of elecampane, 1 to 3 percent of Unibract Fritillary Bulb, and 2 to 4 percent of ginkgo seedse. The preparation method comprises the following steps: taking the powder according to the proportion, putting all the powder into a compound stirrer for stirring; taking out the mixture, and putting the mixture into a ring mode crusher for crushing; then taking out the mixture, putting the mixture into a dryer for drying; taking out the mixture, and putting the mixture into a ring mode bulking machine for bulking; taking out the mixture, transferring the mixture into a ring mode hard granulation machine, and generating the sediment hard granule fodder; then screening the fodder by a screen of 80 mesh; and ensuring the weight of each granule is 0.2 g, sealing and packing the fodder according to the required weight.
Owner:李红艳

Full-form simulated ostrich high-speed running-jumping robot

InactiveCN110254553AStrong high-speed running and jumping abilityHigh dynamic and stable movement abilityVehiclesThree degrees of freedomSimulation
The invention relates to the field of double-foot travelling robots, in particular to a full-form simulated ostrich high-speed running-jumping robot. The overall structure is composed of a first wing assembly, a second wing assembly, a first leg assembly, a second leg assembly, a neck assembly, a trunk assembly and a tail assembly. The structure of the full-form simulated ostrich high-speed running-jumping robot is simple, has a complete biological trunk integral structure, and through the sensing design of the two-degree-of-freedom head, the stable equilibrium steering design of the two-degree-of-freedom tail and wings and the three-degree-of-freedom design of the limbs, the high-speed running-jumping movement of the all-form simulated ostrich robot can be realized.
Owner:BEIJING JIAOTONG UNIV

Bionic wheel lug for lunar vehicle wheel

InactiveCN102145634AImprove passabilityImprove driving efficiencyWheelsMars Exploration ProgramLunar soil
The invention discloses a bionic wheel lug for a lunar vehicle wheel. The outer contour line of the section of the bionic wheel lug for the lunar vehicle wheel is three typical ostrich toe nail imitated closed edge feature curves; the formula of a curve 1 is that y is equal to -0.0058x<3>-0.0356x<2>-0.2583x-0.0636; the formula of a curve 2 is that y is equal to -0.06x<2>-0.4709x+4.5046; the formula of a curve 3 is that y is equal to 0.047x<2>+0.2526x+4.9872; and the bionic wheel lug can effectively improve the trafficability of a lunar vehicle on soft lunar soil, obviously improve the traction performance and the sinking resistance of the lunar vehicle wheel travelling on the soft lunar soil, improve the travelling efficiency of the lunar vehicle, reduce the travelling hidden danger and hazard of the lunar vehicle on the lunar surface, and provide important theoretical and technical basis for smooth implementation of touring and investigation of an unmanned lunar vehicle and lunar surface travelling of a manned lunar vehicle in a lunar exploration program in China.
Owner:JILIN UNIV

Ostrich oil moisturizing and whitening cream and method for preparing same

The invention discloses ostrich oil moisturizing and whitening cream and a method for preparing the same. The ostrich oil moisturizing and whitening cream comprises the following compositions in percentage by mass: 4 to 8 percent of ostrich oil, 5 to 10 percent of stearic acid, 4 to 8 percent of cetanol, 8 to 12 percent of glycerin, 1 to 4 percent of kojic acid, 4 to 6 percent of sodium pyrrolidone, 1 to 3 percent of peregal, 0.06 percent of paraben and the balance of deionized water. The method comprises the following steps that: firstly, the ostrich oil, the stearic acid, the cetanol, the kojic acid and the paraben are put in a material pulverizing tank, and the materials are heated with stirring till the materials are totally molten and dissolved to obtain a mixed material A; secondly, the glycerin, the sodium pyrrolidone, the peregal and the deionized water are put in a material mixing tank, the mixture is heated to the temperature of between 80 and 90 DEG C with stirring till the materials are totally dissolved, and a mixed material B is obtained; and thirdly, the mixed material A is slowly added into the mixed material B; and the mixture is emulsified for more than 30 minutes, cooled to the temperature of 40 DEG C, and added with essence with proper amount, and the mixture is evenly stirred and continuously cooled to room temperature.
Owner:NORTHWEST A & F UNIV

Profiling bionic press roller

The invention discloses a profiling bionic press roller in order to solve the problems that soil adheres to the surface of the body of a press roller commonly used in the prior art, the compactness of the pressed soil is not even, and the pressing force of the press roller on soil is not sufficient. The profiling bionic press roller comprises a press roller body and a center shaft, bionic elastic pieces are distributed on the surface of the press roller body, a shaft ring is fixedly installed on the center shaft, elastic spokes are installed between the shaft ring and the bionic elastic pieces, the elastic spokes on the roller body are in the shape of a profiled ostrich claw toe outline, and designed according to the process that claw toes make contact with soil in the running process of ostriches, the elastic pieces are inserted into soil in the movement process, not only is good soil fixing effect achieved, but also the press roller can be effectively prevented from sliding, ground profiling is performed through stretching and shrinking of the elastic spokes, the compacting effect on soil is better, and pressure is larger; a nylon layer is formed on the surface of the press roller through heat treatment, and thus soil will not adhere to the press roller in the working process.
Owner:JILIN UNIV

Bionic sand crossing vehicle wheel drum-shaped wheel face which imitates 3D curved face of sole of ostrich

InactiveCN103879227ASolve problems that are difficult to drive normallyImprove passabilityWheel attachmentsStructure of the EarthRoad surface
The invention discloses a bionic sand crossing vehicle wheel drum-shaped wheel face which imitates a 3D curved face of the sole of an ostrich. The bionic sand crossing vehicle wheel drum-shaped wheel face is formed by distributing multiple bionic wheel face monomers on the circumference of a base circle in an array mode. Each bionic wheel face monomer is composed of an ellipsoid, a groove face and a slowly curved face. A semi-elliptic arc line serves as an outline. The ellipsoids, the groove faces, the curved faces and two transition faces of the wheel face are obtained by scanning with a first guide line and a second guide line as scanning guide lines respectively. The ellipsoids, the groove faces and the slowly-curved faces imitate the curved face of the sole of the third toe of the ostrich. The bionic sand crossing vehicle wheel drum-shaped wheel face solves the problem that a vehicle can hardly run normally in a desert, improves the trafficability and the traction performance of a running wheel or tire on a loose sandy soil road surface and is applicable to loose and soft medium environments such as the desert, the gobi desert, the moon and the Mars. Compared with a wheel of a smooth drum-shaped wheel face structure with the same size, the traction force of a hook is improved by 2.8% to 5.7%, the traction efficiency is improved by 3.2% to 6.5%, and the relative flowing speed of sandy oil under the wheel face is reduced by 8.9% to 11.6%.
Owner:JILIN UNIV

Moisturizing skin care product and preparation method thereof

The invention discloses a moisturizing skin care product. The moisturizing skin care product is prepared from the following raw materials in parts by weight: 14-17 parts of de-ionized water, 8-10 parts of polyvinylpyrrolidone, 1-2 parts of poly dimethyl diallyl ammonium chloride, 6-8 parts of jojoba oil, 10-12 parts of ostrich oil, 12-14 parts of polydimethylsiloxane, 1-2 parts of ethyl maltol, 3-4 parts of glucoraphanin, 4-5 parts of laminine, 3-4 parts of red yeast rice, 2-3 parts of a dateplum persimmon extract, 2-3 parts of a boehmeria siamensis craib herb extract and 2-3 parts of hericium erinaceus polysaccharide. The moisturizing skin care product disclosed by the invention is prepared from various skin-caring nutritional components; and especially, by adding such plant essence ingredients as the laminine, the dateplum persimmon extract, the boehmeria siamensis craib herb extract, the hericium erinaceus polysaccharide and the like, a synergistic effect among various components is enhanced, and the skin care product is quite excellent in effect on moisturizing and improving skin elasticity.
Owner:广州市聚洋化工科技有限公司

Ostrich sausage

The invention discloses an ostrich sausage, relates to the field of sausages, and provides an ostrich sausage capable of preventing and treating hyperlipidemia. The ostrich sausage comprises the following raw materials by weight: 5-6kg of ostrich meat, 0.5-1kg of lycopodium clavatum fluid extract dry powder, 0.14kg of salt, 0.3kg of white sugar, 200ml of white wine, 0.03kg of essence, 0.04kg of white pepper powder and 0.04kg of ginger powder, wherein the lycopodium clavatum fluid extract dry powder is prepared by making lycopodium clavatum, frangipani and liquorice in a proportion of (10-20):(8-20):(3-10) into a fluid extract, freezing, drying and grinding. The ostrich sausage is sweet and fresh in taste, adds new flavor of the sausage, and has the efficacies of muscle relaxation and blood circulation stimulation, phlegm and damp obstruction clearing, and blood fat reduction; and if the ostrich sausage provided the invention is eaten for long time, not only protein nutrition can be supplied, but also the blood fat can be lowered, and the effect of hyperlipidemia prevention and treatment is played.
Owner:戚明海

Crop yield improvement biological agent

The invention discloses a crop yield improvement biological agent which is characterized by being prepared from the following raw materials by weight: 7-12 parts of dry ostrich dung, 3-6 parts of turmeric, 2-4 parts of plantago seed, 3-6 parts of immature bitter orange, 3-7 parts of soybean meal, 3-5 parts of ammonium sulfate, 5-8 parts of calcium chloride and 2-4 parts of water soluble chitin. The crop yield improvement biological agent can be used for soil modification, soil activation, effective degradation of soil pollution, and assistant improvement of crops growth.
Owner:QINGDAO AIHUALONG BIOTECH

Ostrich-stimulated high-speed stability joint

ActiveCN108527436AWon't wear outDoes not cause wear and tearJointsEngineeringSacroiliac joint
The invention discloses an ostrich-stimulated high-speed stability joint. The joint is composed of a first rigid rod piece, a rear side upper end boss, an outer side upper end boss, an outer side cross flexible element, a rear side parallel flexible element, an outer side joint buffer pad, an inner hexagon screw, an outer side lower end boss, a rear side lower end boss, a second rigid rod piece, afront side lower end boss, an inner side lower end boss, an inner side cross flexible element, a double-spring buffering seat, an inner side inter-joint buffering pad, a buffering sliding block, a front side parallel flexible element, a head screw, an inner side upper end boss and a front side upper end boss. According to the ostrich-stimulated high-speed stability joint, engineering bionic operation is carried out on the special joint morphology, a soft tissue structure as well as a ratchet-similar wheel, a triangular sesamoid bone and other limiting features of an ostrich inter-tarsal-bonejoint, the bionic joint which can be applied to high-speed motion and has internal and external rotation, buffering, antagonism and other limiting features is designed; and a connection movement pairof the joint is a spherical pair, so that various loads caused by different ground environments can be borne without causing abrasion of the surface of the joint.
Owner:JILIN UNIV

A kind of preparation method of 2'-hydroxy pterophyll

The present invention relates to a preparation method of 2'-hydroxyporphyrin with simple and convenient operation, little pollution and low energy consumption. The process steps are: take the rhizome of oriental viburnum, crush it, add ethanol, put it into a microwave extraction device for microwave extraction, combine the extracts, filter, recover ethanol under reduced pressure and concentrate, add it to a macroporous adsorption resin column, 30-50 % ethanol for elution, ethanol is recovered under reduced pressure and concentrated, added to a polyamide chromatography column, eluted with a mixed solvent of dichloromethane-methanol at a ratio of 5:3, recovered under reduced pressure, and crystallized by adding methanol , separate the crystals, wash and dry. The preparation of 2'-hydroxypteria phenol by the present invention has high product purity and is easy to realize industrial scale-up.
Owner:SUZHOU PAITENG BIOLOGICAL MEDICAL TECH

Ostrica bone medicinal liquor and preparation method thereof

The present invention discloses an ostrich sinew and bone medicated liquor, said medicated liquor contains alcohol, sugar, solids and ostrich sinew and bone, and its preparation includes the following steps: soaking the ostrich sinew and bone and Chinese medicinal materials in alcohol, the filtering and blending so as to obtain the invented product which richly contains gamma-globulin, mucopolysaccharide and several track elements and has the good action of resisting senility and activating immunity of human body.
Owner:吴德连

Composite natural collagen health-care food and preparation method thereof

The invention provides a composite natural collagen health-care food, which is prepared from twelve materials in percentage by weight: 20 to 30 percent of brown croaker isinglass, 5 to 15 percent of crocodile isinglass, 5 to 10 percent of sea cucumber, 2 to 8 percent of sea chestnut, 2 to 8 percent of abalone, 2 to 8 percent of hasma, 10 to 15 percent of sheep tendons, 8 to 12 percent of deer tendons, 2 to 8 percent of ostrich tendons, 2 to 10 percent of polygonum bistorta, 2 to 10 percent of golden fungus, and 2 to 10 percent of tremella, wherein the materials are successively cleaned, dried, frozen, crushed, boiled, dried and packaged to prepare a finished product. The materials used in the health-care food contains ocean aquatic products, animal husbandry foods, plants, animals and fungus, and the prepared health-care food has rich collagen, rich amino acids, polysaccharide substances, various vitamins and various trace mineral elements required by human bodies, and can strengthen the human metabolization function, delay senility, and maintain exuberant vitality of various organs.
Owner:广州市天河何济堂灵芝生物技术研究所(普通合伙)

Buffering energy-saving and active anti-subsidence bionic mechanical foot

The invention discloses a buffering energy-saving and active anti-subsidence bionic mechanical foot. The foot is composed of a tarsometatarsus, metatarsophalangeal joints, a second phalanx, a third phalanx, a steering engine and a toe pad; each metatarsophalangeal joint is composed of a base, a support, a connection rod, a spring, a horizontal slider, a first phalanx, a vertical slider, a hinge pin and the like. Ostrich feet are used as a bionic prototype. On one hand, considering the motion morphology of sand touching and sand crossing of the ostrich feet when an ostrich runs on the sand land at high speed, the metatarsophalangeal joints which are permanently kept off the sand land are designed, and energy-storage, buffering and energy-saving effects are achieved; on the other hand, considering the aspect of material assembly, the phalanx adopts rigid materials, the toe pad adopts rubber materials, and rigid-flexible coupling plays a role in protecting a skeleton. Besides, considering the ostrich feet sand-off posture and active anti-subsidence characteristics, the steering engine drives the phalanxes to be off the sand land in sequence, and the active anti-subsidence effect is achieved. The bionic mechanical foot is simple in structure and multifunctional, and helps to improve the walking ability of a robot in the soft ground like sand land.
Owner:JILIN UNIV

Preparation method of catalyst for preparing biodiesel

The invention discloses a preparation method of a catalyst for preparing biodiesel. The preparation method comprises the following steps: cleaning an ostrich egg eggshell by utilizing distilled water to remove impurities on the surface of the eggshell, and drying the eggshell for 12 to 20 hours at the temperature of 90 to 110 DEG C; crushing the eggshell, and filtering the crushed eggshell by utilizing a 160-mesh to 180-mesh sieve; and placing the filtered eggshell in a muffle furnace, roasting the eggshell for 2h at the temperature of 800 to 1000 DEG C under the condition of introducing nitrogen, so as to obtain white solid powder of the catalyst for preparing the biodiesel, and vacuum drying and storing the prepared catalyst. The preparation method has the advantages: (1) the raw material for preparing the catalyst is low in price, wide in source and good in regeneration effect; (2) the catalyst prepared in the method is relatively high in catalytic activity, and experiments show that the yield of the biodiesel can reach more than 90 percent; (3) the catalyst is recyclable, and when the catalyst is reused for six times, the yield of the biodiesel still can reach more than 80 percent.
Owner:TIANJIN UNIV

Process for producing imitation ostrich grained leather from sheep skin

The invention discloses a process for producing imitation ostrich grained leather from sheep skin and belongs to the field of leather manufacture. The process comprises the following steps of: (1) cleaning sheep bare skin with softened water and then squeezing with a squeezing machine; (2) spreading the sheep bare skin on a template after squeezing, keeping the skin flat, putting sponge on the sheep bare skin, putting a wood plate on the sponge for compression, and removing the wood plate and the sponge; and (3) dipping the sponge in a chemical reagent, putting the sponge on the sheep bare skin, putting the wood plate for compression, shaping, and removing the wood plate and the sponge. The chemical reagent is obtained by diluting 5 to 15 kg of glutaraldehyde with 10 to 20 kg of room temperature water. The process is simple and feasible, and the imitation ostrich leather product has the advantages of beautiful appearance and low cost.
Owner:HEBEI DONGMING LEATHER

Bionic tendon-bone synergetic rigid-flexible coupling sand-crossing mechanical foot

The invention discloses a bionic tendon-bone synergetic rigid-flexible coupling sand-crossing mechanical foot which comprises a foot body mechanism, a buffering and damping mechanism, a flexible passive control mechanism, a main toe and an auxiliary toe. The bionic tendon-bone synergetic rigid-flexible coupling sand-crossing mechanical foot takes examples from biological structure and assembling of the foot tendon-bone of an ostrich and the tendon-bone synergetic working principle, the buffering and damping mechanism can decrease the speed when the foot falls on the ground, and the impact on the ground is reduced; and under the effect of a flexible passive control system, the main toe and the auxiliary toe are open when falling on the ground, a torsion spring is compressed to store energy,the main toe and the auxiliary toe are closed when leaving the ground, and the torsion spring is bounced off to release the energy. According to the bionic tendon-bone synergetic rigid-flexible coupling sand-crossing mechanical foot, opening and closing of the two toes are controlled in a passive mode, through the movement of hitting the ground of the main tone, the number of power sources is decreased, the energy loss is reduced, the supporting area of the foot and the ground is increased, and the stability during travelling of a foot robot is improved; and the buffering and damping mechanism and the flexible passive control mechanism are combined through a lever, and the impact of the ground to the foot is effectively reduced.
Owner:JILIN UNIV

Method for greening original soil of drought and flood alkaline land with soil conditioner containing lotus leaf extract

The invention relates to a method for greening the original soil of a drought and flood alkaline land with a soil conditioner containing a lotus leaf extract. The soil conditioner is prepared from the following components in parts by weight: 22 to 24 parts of fermented ostrich droppings, 8 to 10 parts of peanut hull powder, 5 to 7 parts of biogas residue, 2 to 4 parts of phosphate rock powder, 2 to 4 parts of desulphurized waste, 1 to 3 parts of phosphorus gypsum, 2 to 4 parts of ferrous sulfate, 2 to 4 parts of monopotassium phosphate, 2 to 4 parts of sodium hydrogen phosphate, 1 to 3 parts of amino acid salt, 0.5 to 0.7 part of malonic acid, 0.1 to 0.3 part of halophilic methane bacteria, 0.1 to 0.3 part of bacillus subtilis, 0.1 to 0.3 part of bacillus megatherium, 0.1 to 0.3 part of bacillus licheniformis, 0.1 to 0.3 part of saccharomycetes, 0.2 to 0.4 part of atrazine, 0.2 to 0.4 part of glyphosine, 0.2 to 0.4 part of fosamine ammonium, 0.2 to 0.4 part of the lotus leaf extract, 1 to 3 parts of pectin, 1 to 3 parts of alginic acid, 1 to 3 parts of chitosan, 1 to 3 parts of heparin, 2 to 4 parts of tricalcium phosphate, 0.3 to 0.5 part of cellulose grafted acrylate polymer, 0.1 to 0.3 part of iron chelate, and 0.1 to 0.3 part of zinc chelate.
Owner:SHANDONG SUNWAY LANDSCAPE TECH

Bionic shoe sole with adhesion and wear-resisting functions

The invention discloses a bionic shoe sole with adhesion and wear-resisting functions. The bionic shoe sole comprises a foot sole part, a foot arch part and a heel part; a pangolin scale-like protrusion structure is arranged at the front part of the foot sole part, front toe groups simulating straight movement gaits of pheasants are arranged at a large foot sole portion at the rear end of the footsole part, and front toe groups simulating turning movement gaits of the pheasants are arranged at a small foot sole portion at the rear end of the foot sole part; an ostrich scale-like long strip structure is arranged at the rear part of the heel part, rear toe groups simulating the straight movement gaits of the pheasants are arranged at a large heel portion of the heel part, and rear toe groups simulating the turning movement gaits of the pheasants are arranged at a small heel portion of the heel part. The shoe sole is based on the macroscopic shape of ostrich scales and pangolin scales and the straight and turning movement gaits of the toes of the pheasants, wear-resisting areas of the foot sole part and heel part are designed, a size relationship between the front and back toes of the second, third and fourth toes is determined, and the adhesion, wear resistance and direction change capability are effectively improved.
Owner:泉州百奥尼克运动装备科技有限公司

Ostrich high-hatchability hatching method and hatcher

The invention provides an ostrich high-hatchability hatching method and a hatcher. The defect that the female young ostrich hatchability in current ostrich breeding egg manual hatching is low is mainly overcome. The method includes the steps of collecting breeding eggs, selecting the breeding eggs, storing the breeding eggs and disinfecting the breeding eggs, wherein the breeding eggs are soaked in a solution prepared from female hormone medicines and distilled water or normal saline for 2-50 min or the solution is directly sprayed on the breeding eggs before the breeding eggs are hatched after being disinfected, and the breeding eggs enter the hatcher to be hatched after being dried. The method is high in female young ostrich hatchability and is widely applied in artificial reproduction of ostriches.
Owner:紫云自治县贵安鸵鸟养殖场
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