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119 results about "Hirundinidae" patented technology

The swallows, martins and saw-wings, or Hirundinidae, are a family of passerine birds found around the world on all continents, including occasionally in Antarctica. Highly adapted to aerial feeding, they have a distinctive appearance. The term Swallow is used colloquially in Europe as a synonym for the barn swallow. There are around 90 species of Hirundinidae, divided into 19 genera, with the greatest diversity found in Africa, which is also thought to be where they evolved as hole-nesters. They also occur on a number of oceanic islands. A number of European and North American species are long-distance migrants; by contrast, the West and South African swallows are non-migratory.

Ketogenic diet formula powder

The invention discloses ketogenic diet formula powder, and aims to solve the technical problem of exercising the chewing capacity of babies and improving the treatment effects of ketogenic diet. The ketogenic diet formula powder disclosed by the invention consists of the following components in parts by mass: 55-75 parts of fat, 10-21 parts of protein, 4-22.5 parts of carbohydrate, 3.2-4.5 parts of vitamins and minerals, 0.6-3.0 parts of L-carnitine, 0.1-0.15 part of taurine and 0.4-2.0 parts of a food additive, wherein the food additive is an emulsifying agent, an acidity adjusting agent and a sweetening agent. Compared with the prior art, the ketogenic diet formula powder is pasty after being brewed with warm water, so that patients suffering from swallowing function disorder can be effectively prevented from milk choking; besides, the babies need to slightly chew the brewed ketogenic diet formula powder and swallow, so that the chewing capacity of the babies can be sufficiently exercised; and after patients eat the brewed ketogenic diet formula powder, the brewed ketogenic diet formula powder and glucose form viscose in gastrointestinal tracts, so that the absorption of the glucose can be decelerated, the postprandial blood sugar can be maintained stable, the postprandial blood ketone level can be maintained stable, and the treatment effect of ketogenic diet can be improved.
Owner:SHENZHEN JIELIKANG BIOLOGICAL TECH CO LTD

Core mold and shaping method for shaping strip annular internal reinforced rib rotary body thin-wall part

The invention relates to a core mold and a shaping method for a shaping strip annular internal reinforced rib rotary body thin-wall part, wherein a base mold is composed of a base mold main body and a mold withdrawing end; a swallow tail groove and a positioning groove are formed on the base mold main body; a shape mold is wholly of an annular structure; the shape mold is uniformly divided into a plurality of split molds of same shapes; shaping arc grooves for annular internal reinforced ribs are formed on the shaping plane of the split molds; swallow tail tenons matched with the wallow tail groove and the positioning groove are formed on the inner surfaces of the split molds. By adopting the mode of combined core mold, the problem of hard demolding during the shaping process of the rotary body thin-wall part internal reinforced rib is solved. By virtue of the positioning on the base mold swallow tail groove, the movement of the shaping mold is prevented effectively; and the shaping precision of the rotary body thin-wall part internal reinforced rib is improved. The base mold, the shaping mold and the fixing pin of the core mold can be made of different metal materials according to respective strength requirements; only the mold needs to be replaced for rotary body thin-wall pieces of which the inner diameters are the same and the internal reinforcing ribs are different, so that the cost of the mold is reduced greatly.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

Translation swallow-shaped cam core shaft type smart three-claw automatic centering fixture

InactiveCN107127590ARealize the purpose of centering clampingCompact structureWork clamping meansLarge fixed membersReciprocating motionEngineering
The invention discloses a translation swallow-shaped cam core shaft type smart three-claw automatic centering fixture. Through contact of supporting bearings of the rear portions of upper and lower levers and the outline of a translation swallow-shaped cam, clamping claw bearings at the front ends of the levers and a clamping claw at the front end of a core shaft of the swallow-shaped cam are controlled to keep the centering and same-radius position linkage relation all the time, and accordingly shaft-type parts with different radiuses are clamped in a centering mode. Contacting of all parts of the fixture are completed through the bearings. When working, the fixture is small in friction resistance, light in working load and light in action. An electromagnetic reversing valve automatically controls an air cylinder to make reciprocating motion to finally achieve clamping and loosening actions of the fixture. When bars are mounted and detached, the opening angle of the fixture is large, workpieces can be mounted and detached directly in the radial directions of the shaft-type parts, and the two fixture has the characteristics that the structure is compact, the automation degree is high, the cost is low, reliability is high and environmental pollution does not occur and is quite suitable for being popularized.
Owner:BEIJING UNIV OF TECH

Hydraulic jump type porous artificial floating island

The invention discloses a hydraulic jump type porous artificial floating island. The hydraulic jump type porous artificial floating island is characterized in that an axial flow type undercurrent pumpis used for continuously absorbing water in swallow; water in swallow is absorbed into the undercurrent pump and then is conveyed to a nozzle of a spraying device through a water conveying pipe; thewater is sprayed through the nozzle and performs projectile motion and then falls to a floating bed to gain high oxygen content; and meanwhile, after the water is pumped away, high oxygen content shallow water falls under the effect of gravity to supplement the swallow; the operation is repeated to finish the oxygen supplying circulation of the whole water; a solar cell panel is obliquely positioned around the periphery of the floating island, so that the solar energy can be utilized to the maximum to supply energy to the underwater axial flow type undercurrent pump. The hydraulic jump type porous artificial floating island achieves the purpose of rapidly processing the whole water within a short period in a three-dimensional manner; in addition, all materials are environmentally friendly,so that environmental pollution is avoided.
Owner:SHENYANG JIANZHU UNIVERSITY

Electric double-head adjustable angle cutting machine

The invention provides an electric double-head adjustable angle cutting machine. The electric double-head adjustable angle cutting machine is characterized in that a longitudinal main shaft is arranged in a machine body, the rear end of the main shaft is provided with a brake wheel and a brake strap, and the front end of the main shaft is provided with a fly wheel and a clutch rotary key. A main motor is arranged below the fly wheel. An eccentric wheel and an eccentric sleeve are arranged in the middle portion of the main shaft. A connecting rod is arranged on the eccentric sleeve. A swallow-tailed sliding block and a swallow-tailed base are arranged at the upper end of the connecting rod. A transverse swallow-tailed base, a left lead screw, a right lead screw, transverse swallow-tailed sliding blocks, cutter fixing bases and upper cutters are arranged on the swallow-tailed sliding block. A linear guide rail and locating sliding blocks are arranged on a working table. A locating fastening bolt and a left locating rod are arranged on the left locating sliding block, and a locating fastening bolt and a right locating rod are arranged on the right locating sliding block. Lower cutters are inlaid in the working table. A pedal clutch and a clutch connecting rod are arranged on the front portion of the machine body. A clutch buffer is arranged on the clutch connecting rod and is connected with the clutch rotary key. The electric double-head adjustable angle cutting machine solves the problem that other angle cutting machines are low in working efficiency, and is applicable to cutting angles in the process of processing paper materials.
Owner:QINGDAO HAIGANG GILDING PRESS EQUIP

Water-swallow ship form

The invention relates to a technique for a 'water-swallow ship form' design, which belongs to the field of shipbuilding, and is suitable for manufacturing ships of which the prows have certain draughts during advancing, but is not suitable for manufacturing the ships of which the prows have shallow draughts during advancing, such as speed boats, small-sized yachts, wooden boats and the like. The 'water-swallow ship form' design is an effective method for reducing the water resistance for a boat during advancing. The basic principle of the 'water-swallow ship form' design is that the inner part below a draught part of a ship is designed and manufactured with a water flow pipeline with a larger front part and a smaller rear part, and a water flow accelerator is arranged in the pipeline. Thus, when the ship moves forwards, a part of water in front of the prow is smoothly swallowed into the water flow pipeline, and the water is accelerated by the water flow accelerator and flows backwards. The water flow is accelerated for one time even more times and is finally spurted out at a high speed from an outlet of the water flow pipeline below the stern. Therefore, the swallowed water not only reduces the resistance to the ship during advancing, but also plays a role in driving the ship forwards and becomes the main power for driving the ship to move forwards. Although the water flow pipeline occupies certain space in the lower part inside the ship, the ship obtains the power for moving forwards and accelerates the advancing speed of the ship while reducing the water resistance. Obviously, the advantages far outweigh the disadvantages.
Owner:王久泉

External traditional Chinese medicine composition for treating toothache

The invention discloses an external traditional Chinese medicine composition for treating toothache. The traditional Chinese medicine composition consists of the following bulk pharmaceutical chemicals: 2-5g of syzygium aromaticum, 2-5g of frankincense, 2-5g of pericarpium zanthoxyli, 2-5g of indigo naturalis, 1-3g of asarum, 2-5g of nidus vespae, 0.1-0.3g of borneol, 1.2-1.8g of borax and 2-5g of mirabilitum dehydratum. A preparation method of the traditional Chinese medicine composition comprises the following steps: grinding the raw materials into fine powder, screening by a 100-mesh sieve and uniformly mixing to obtain the traditional Chinese medicine composition. The traditional Chinese medicine composition is externally used in treatment; 0.1-0.3g of the traditional Chinese medicine composition is used each time; 0.1ml of sesame oil and 0.1g of bluish white salt are added for mixing and applying; the traditional Chinese medicine composition is applied to the affected part for 2-4 times per day before going to the bed after eating and at night; vomit and swallow by mistakes can brought to a patient; and generally, the toothache can be cured in one week. The external traditional Chinese medicine composition is mainly used for treating toothache caused by various oral inflammations and decayed teeth and is applied to sore swollen parts in a mouth and on teeth, thereby enhancing the function of relieving pains. The external traditional Chinese medicine composition has the advantages of having good treatment effect, taking effect quickly and being unlikely to recur after healing.
Owner:QIANFOSHAN HOSPITAL OF SHANDONG
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