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120 results about "Trefoil" patented technology

Trefoil (from Latin trifolium, "three-leaved plant") is a graphic form composed of the outline of three overlapping rings used in architecture and Christian symbolism. The term is also applied to other symbols of three-fold shape.

Using mucin glycoproteins in combination with therapeutic agents to treat epithelial lesions and disorders of impaired mucin function

The present invention features methods of treating a patient having an epithelial lesion or disorder of impaired mucin function. The present invention further features methods of treating pain associated with epithelial lesions and disorders of impaired mucin function. Epithelial lesions and disorders of impaired mucin function can be treated using a pharmaceutical composition containing mucin glycoproteins in combination with therapeutic agents, e.g., trefoil polypeptides.
Owner:THE GI CO INC

Pharmaceutical formulation consisting of a plant dry extract with a calcium coating

A pharmaceutical formulation of a calcium salt and a dry plant extract in the form of a coated tablet, in which the formulation has a core of at least one dry plant extract, enveloped by at least one coating of at least one calcium salt. The plant extracts for the core may be selected from: Vitex agnus castus (chaste tree); Belamcanda chinensis (leopard lily); Cimicifuga racemosa (black cohosh); Trifolium pratense L. (purple trefoil); Oenothera biennis hom. (primrose); Glycine soja (soy bean); Serenoa repens (saw-palmetto); Urtica dioica (stinging nettle), in particular its root; Cucurbita pepo (pumpkin), in particular its seed; Pygeum africanum; as well as suitable mixtures of these. Methods for the use of the formulation in treating osteoporosis and for manufacturing the formulation are provided.
Owner:BIONORICA AG

Kit of higher order aberration contact lenses and methods of use

This application describes a kit of contact lenses comprising two or more contact lenses having a known higher order aberration for each given lens power. By way of example, the higher order aberration may comprise a spherical aberration, a coma aberration, or a trefoil aberration. A practitioner selects a lens from the kit and applies the lens to a patient's eye and measures a residual higher order aberration of the lens-eye system. In cases where the residual higher order aberration exceeds a predetermined magnitude, the practitioner selects a second lens from the kit, applies the second lens to the patient's eye and measures the residual higher order aberration of the lens-eye system.
Owner:OCULAR SURFACE INNOVATIONS INC

Kit of higher order aberration contact lenses and methods of use

The present invention provides a kit of contact lenses, comprising two or more contact lenses having a known higher order aberration for each given lens power. By way of example, the higher order aberration may comprise a spherical aberration, a coma aberration, or a trefoil aberration. A practitioner selects a lens from the kit and applies the lens to a patient's eye and measures a residual higher order aberration of the lens-eye system. In cases where the residual higher order aberration exceeds a predetermined magnitude, the practitioner selects a second lens from the kit, applies the second lens to the patient's eye and measures the residual higher order aberration of the lens-eye system.
Owner:OCULAR SURFACE INNOVATIONS INC

Method for rapid identification of heat-resistance seedling state of cotton

The invention provides a method for rapid identification of a heat-resistance seedling state of cotton, which comprises the following steps of: treating cotton seedlings at trefoil stage to quatrefoil stage for 5-12 hours at the temperature of 40-45 DEG C; setting comparison under normal growth condition; respectively determining ascorbic acid peroxidase activity, relative electric conductivity and seedling withering rate of treated cotton seedlings and normal growing cotton seedlings; calculating relative values of the ascorbic acid peroxidase activity, the relative electric conductivity and the seedling withering rate relative to those of the normal growing cotton seedlings; and determining heat resistance. The method can be used for effectively identifying the heat resistance of different cotton germplasm resources rapidly, and can provide appropriate parent materials for high-temperature resistant seed breeding.
Owner:INST OF COTTON RES CHINESE ACAD OF AGRI SCI

Method for resolving six triazole pesticide enantiomers and detecting and analyzing residues by ultra-performance convergence chromatography

The invention relates to a pesticide residue detection method, and particularly relates to a method for resolving six triazole pesticide enantiomers and detecting and analyzing residues by ultra-performance convergence chromatography (UPC2). The method for resolving six triazole pesticide enantiomers and detecting and analyzing residues by ultra-performance convergence chromatography comprises sample extraction, purification and chromatographic column analysis. The six triazole pesticides are triadimefon, triadimenol, hexaconazole, tebuconazole, bitertanol and myclobutanil. According to the method, a piece of Acquaty Trefoil AMY1 is adopted to resolve the six triazole pesticides on UPC2, the cosolvent of triadimefon, triadimenol, tebuconazole and bitertanol adopts methanol, and the cosolvent of hexaconazole and myclobutanil adopts a mixed solution of isopropanol and anhydrous ethanol with the volume ratio being 1:1. The method has the advantages of high efficiency, high sensitivity andgood reproducibility, and the recovery rate, the precision and the like of the method meet the requirements of residue detection.
Owner:ZHEJIANG ACAD OF SCI & TECH FOR INSPECTION & QUARANTINE

Constructive arrangement in an umbilical cable and a process for the manufacture thereof

An umbilical cable, particularly adequate for subsea exploration, contains two or more three-phase power supply circuits, each consisting of three conductors grouped in a trefoil configuration, each conductor including a metal core surrounded by an insulating sheath, each conductor being provided with an individual shielding whose cross-section is less than, equal to or greater than that of the core. Advantageously, each insulating sheath may be surrounded by a layer of semiconductor material. Filler spacers made of an insulating material, preferably polyethylene, may be used to aid in the positioning of the trefoils. The cable provides an economy of material, an increased flexibility, a reduction of the diameter of the finished cable and a substantial decrease of manufacturing time as compared with cables produced in accordance with the known art. A manufacturing method for an umbilical cable is also disclosed.
Owner:PRYSMIAN SURFLEX UMBILICAIS E TUBOS FLEXIVEIS DO BRASIL LTDA

Lawn perforating tool and method of using same

Disclosed herein is a lawn perforating tool and method of using same to prepare new lawn or garden areas or distressed regions of existing lawns or gardens for the planting of seed, example of which include, but are not limited to, grass seed, clover seed, wildflower seed, and the like. The lawn perforating tool of the present invention is particularly configured to provide in the soil and dead grass holes or indentations of a size, shape, and depth that is optimal for receiving and germinating new grass seed and of a density and distribution suitable to provide the resulting grass with a visually desirable pattern, rendering new growth indistinguishable from old growth.
Owner:ENROOT PROD LLC

Rush stubble late rice waste grass covering ecological direct sowing method

The invention relates to a rush stubble late rice waste grass covering ecological direct sowing method, comprising the following steps of: 1. preparation before sowing; (1) preparation of a rush field: a. weeding in the rush field, b. executing drainage and irrigation in the rush field; (2) seed preparation: a. seed selection, b. seed treatment; 2. seed sowing; 3. late rice management after rush harvest; (1) opening up nitches and gutters; (2) covering waste grass and weeding; (3) irrigating in the way that after irrigation, the water is immediately released, and after the soil begins to turn dry, irrigation is executed for a second time, and then the water is released again; (4) after the trefoil stage of seedlings, executing field rest, fertilization, weeding and irrigation, and preventing plant diseases and insect pests; (5) in the fourth-leave stage of the seedlings, regulating the density of the seedlings and irrigating the seedlings; (6) in the fifth-leave stage of the seedlings, executing weeding and irrigation; (7) when the top second leaf of the rice appear, executing fertilization; (8) from the booting stage to the heading and flowering stage of the rice, executing irrigation and preventing plant diseases and insect pests; and 4. harvest. The method is characterized by no generation of smoke, no influence on the local ecological environment, the aviation safety of nearby airports, and sowing time, low cost and high late rice yield.
Owner:宁波市鄞州区农业技术服务站

Optics with simultaneous variable correction of aberrations

The invention refers to an optical system comprising at least two optical elements of which at least one is movable relative to the other in a direction perpendicular to the optical axis of the optical system, wherein the combination of optical elements is adapted to correct variable aberrations of at least two different orders simultaneously of which the degree of correction depends on the relative position of the optical elements. This optical system is adapted to correct aberrations which are variable and dependent on the position of the lens with respect to the subject / imaging plane. Further the optical system is adapted to correct aberrations varying along with defocus of the system. These aberrations may include second order aberrations, meaning defocus and astigmatism, third-order aberrations, meaning comas and trefoils, fourth-order aberrations, for example, spherical aberration, and further higher-order aberration terms.
Owner:AKKOLENS INT BV

Natural plant small molecular group substance concentrate and production method thereof

The invention discloses a natural plant small molecular group substance concentrate and a production method thereof. The production method comprises the following steps: harvesting the natural plantsof tall hemarthria, trefoil, ryegrass, purple amaranth and swiss chard respectively, washing, carrying out ultraviolet disinfection, pulping, carrying out ultrasonic crushing, squeezing, filtering andobtaining juice; putting the obtained juice into a fermentation tank according to the ratio of 30-40% of tall hemarthria, 20-30% of trefoil, 10-15% of ryegrass, 10-15% of purple amaranth and 10-15% of swiss chard to be used as a reaction substrate, inoculating with secondary culture liquid of the strains of plant lactobacilli (with the serial number of SICC1.518) and aspergillus niger bacteria (with the serial number of SICC3.301) into the fermentation tank, mixing with the plant juice of the reaction substrate, fermenting and culturing for 72 hours, regulating and controlling the temperatureat 35-37 DEG C, regulating and controlling the pH value at 6.5, obtaining fermented culture liquid, drying the fermented culture liquid at low temperature of 70-80 DEG C after purifying, ultrafiltering and concentrating, and obtaining the small molecular group substance concentrate. Experiments prove that the effects of the concentrate for promoting the growth of fattening pigs and enhancing thefeed conversion rate are respectively 20% and 11.8%, and the effects of the concentrate for promoting the growth of fattening meaty ducks and enhancing the feed conversion rate are respectively 7% and9.7%.
Owner:四川国凤生物科技有限公司

Preparation for improving seedling emergence quality of sweet sorghum in saline-alkali soil

InactiveCN104961545AImprove physical vitalityImprove salt toleranceFertilizer mixturesBetaineAlkali soil
The invention discloses a preparation for improving the seedling emergence quality of sweet sorghum in saline-alkali soil, and relates to the technical field of agricultural production. The preparation is composed of a sweet sorghum seed soaking agent and a sweet sorghum seedling spray, and concretely comprises betaine, propionyl brassinolide, ascorbic acid, potassium dihydrogen phosphate, vitamin B1, zinc lignin carbonate, manganese sulfate, magnesium sulfate, mycose, boric acid, and the balance of clear water. Seeds are soaked in the sweet sorghum seed soaking agent before sowing, the soaked seeds are aired at room temperature, the aired seeds are sowed, and foliar spraying of the sweet sorghum seedling spray is carried out twice in the trefoil stage of seedlings. A method for regulating the phytohormone physiology and exogenously supplementing mineral nutrients is adopted to enhance the salt resistance of saline-alkali soil sweet sorghum seedlings, promote seedling emergence, protection and growth of saline-alkali soil sweet sorghum and improve the biological output of sweet sorghum stems and the output of the sweet sorghum grains.
Owner:JIANGSU COASTAL AREA AGRI SCI RES INST +1

Multi-airbag support device for optical element in lithographic projection lens system

The invention relates to a multi-airbag support device for an optical element in a lithographic projection lens system, belonging to the technical field of deep ultraviolet projection lithography lens. In order to solve the problems of the existing optical element detection device such as significant effects on lens surface types and non-uniform support force, the device comprises an optical element, a plurality of airbags, a base, an air-filled tube and a plurality of adapters; the optical element is arranged on the airbags; the airbags are uniformly arranged on the base and along the periphery, are connected with the air-filled tube through the adapters and comprise air pockets; the two sides o the bottoms of the airbags are provided with two rows of threaded holes; the bottoms of the airbags are provided with an inlets; the base comprises long holes, threaded holes, weight-reducing holes and grooves; the air inlets of the airbags are arranged in a manner of extending into the long holes in the base; the threaded holes in the bottoms of the airbags is connected with the threaded holes in the base through screws; the weight-reducing holes are arranged in the central circular area of the base; the grooves are fitted with the air-filled tube. Effects of regulating forces on the surface type of the optical element can be reduced effectively, and trefoil aberration and astigmatism caused during mechanical clamping can be avoided.
Owner:CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI

Constructive arrangement in an umbilical cable and a process for the manufacture thereof

An umbilical cable, particularly adequate for subsea exploration, contains two or more three-phase power supply circuits, each consisting of three conductors grouped in a trefoil configuration, each conductor including a metal core surrounded by an insulating sheath, each conductor being provided with an individual shielding whose cross-section is less than, equal to or greater than that of the core. Advantageously, each insulating sheath may be surrounded by a layer of semiconductor material. Filler spacers made of an insulating material, preferably polyethylene, may be used to aid in the positioning of the trefoils. The cable provides an economy of material, an increased flexibility, a reduction of the diameter of the finished cable and a substantial decrease of manufacturing time as compared with cables produced in accordance with the known art. A manufacturing method for an umbilical cable is also disclosed.
Owner:PRYSMIAN SURFLEX UMBILICAIS E TUBOS FLEXIVEIS DO BRASIL LTDA

Trefoil bevel gear pair

ActiveCN101813160ARealize compound transmissionRealize non-uniform speed ratio transmissionToothed gearingsPortable liftingBevel gearTrefoil
The invention discloses a trefoil bevel gear pair, which comprises a driving bevel gear and a driven bevel gear which mesh with each other, wherein the driving bevel gear and the driven bevel gear are in a trefoil structure. The trefoil bevel gears mesh each other, and can realize nonuniform speed ratio transmission of the concurrent axes and three periodic changes of the transmission ratio; according to different spherical section curvilinear equations of the trefoil bevel gears, the invention can realize fixed axis transmission, compound transmission of rotation and axial movement, and three continuous periodic changes; and therefore, the invention solves the problem of three periodic changes of the transmission ratio, can realize the fixed axis transmission, the compound movement of rotation and axial reciprocating movement, and can be suitable for nonuniform speed ratio transmission of concurrent axes as well as the special conditions of applications of movement and power transmission.
Owner:CHONGQING UNIV

Methods for Improving the appearance of hyperpigmented skin using a synergistic composition comprising banyan tree, lotus, and clover serum fractions

A method of improving the appearance of a hyperpigmented spot may comprise the step of applying a composition comprising an effective amount of banyan tree serum fraction, lotus serum fraction, and clover serum fraction to a hyperpigmented spot on a skin surface, wherein the composition is applied for a period of time sufficient to improve the appearance of the hyperpigmented spot. The method may include the step of identifying a hyperpigmented spot on a facial skin surface. Other methods as disclosed include a method for improving the appearance of post-inflammatory hyperpigmentation.
Owner:THE PROCTER & GAMBLE COMPANY

Trefoil aberration deformation mirror device

The invention discloses a trefoil aberration deformation mirror device which belongs to the field of system aberration compensation of optical systems and aims at solving the problems that the mounting and the detection are hard to perform and the moving rigid body displacement is large in the prior art. The device comprises an optical element, a deformable mirror frame, six actuators, six displacement sensors, an upper fixed plate and a lower fixed plate, wherein the optical element and the deformable mirror frame are connected to form a mirror frame component in an adhesion or compression mode; the upper fixed plate and the lower fixed plate are respectively fixed on the deformable mirror frame through screws; three actuators which are distributed at an angle of 120 degrees in the circumferential direction are arranged on the upper fixed plate; three actuators which are distributed at an angle of 120 degrees in the circumferential direction are arranged on the lower fixed plate; the six actuators on the upper fixed plate and the lower fixed plate are distributed at an angle of 60 degrees; the actuators are arranged along the optical axis of the optical element; input displacement vertically acts on the deformable mirror frame; the six displacement sensors are respectively arranged on the upper fixed plate and the lower fixed plate and are opposite to the six actuators.
Owner:CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI

Biological weeding reclamation and soil fertility improvement method of abandoned farmland

InactiveCN106358485AEnsure nutritional needs for growthAdapt to the living environment as soon as possibleSoil-working methodsAnimal husbandrySurface layerDecomposition
The invention discloses a biological weeding reclamation and soil fertility improvement method of an abandoned farmland. The method comprises the following steps of: (1) building a fenced poultry house; (2) buying young chicken and adult geese, and placing into a fence according to 180 to 200 chicken per Mu; placing the geese into the fence according to a ratio of chicken to geese of (10 to 15) to 6, raising the chicken and the geese together, supplementing feed at nightfall, and gradually reducing the feed amount; (3) when the feed is supplemented, adding intestinal zymocyte into the feed; when the exposed surface of the abandoned land due to the weeding by the poultry is greater than 20 percent, all tender leaves of grasses are eaten by the poultry, the upright grasses are completely stepped into the earth, the plant height is less than 5cm, and the leaves are withered and yellow, covering the surface layer with straws, adding straw decomposition agent, simultaneously spraying urea and glucose aqueous solution until the surface of the straw is wetted; (4) shallowly ploughing the land, then sowing trefoil, and spraying the urea solution on the leaf surface once a week when a plant height is greater than 5 cm; and (5) interplanting corns when the trefoil grows to 10 to 15 cm. By adopting the method, the weeding efficiency is high, environmental conservation is realized, and ecological poultry can be raised.
Owner:CHONGQING ACAD OF AGRI SCI

Two-component gradient structure non-woven fabric for water filtering and preparation method and application thereof

The invention discloses a two-component gradient structure non-woven fabric for water filtering and a preparation method thereof. The non-woven fabric is composed of a first-layer fiber web and a second-layer fiber web which are bonded together, wherein the first-layer fiber web and the second-layer fiber web are each composed of trefoil PET filament fibers and circular COPET filament fibers which have different finenesses. The preparation method comprises the steps that PET slices and COPET slices which are subjected to pre-crystallization are fully dried; fusion overstocking, spinning, cooling, drafting and separation lapping are conducted through two groups of different spinning assemblies, then the obtained two layers of fiber webs are overlapped to form a composite fiber web, and finally the composite fiber web is subjected to hot air bonding and melting to be reinforced into a whole. According to the two-component gradient structure non-woven fabric for water filtering, the advantages of different fineness filtering in a filter material can be fully exerted, the filtering efficiency is guaranteed, the service life is effectively prolonged, and pressure drop is controlled within a reasonable range; accordingly, the non-woven fabric has the advantages of being free of rolling points, high in ventilation property and filtering precision, low in pressure drop and long in service life.
Owner:SHANDONG TAIPENG ENVIRONMENTAL PROTECTION MATERIAL

Cell seed breeding precise seed discharge device of trefoil seed clearing, changing and discharge method

The invention relates to a cell seed breeding precise seed discharge device of a trefoil seed clearing, changing and discharge method. The device is applicable to field seed breeding testing on soybeans, corn and peanuts. The device comprises a seed discharge rear shell assembly, a gear type seed discharge disc, a seed discharge front shell assembly and a driving assembly. An air sucking seed discharge technique is used, and a motor is adopted as a power source. Before seeding, a user inputs expected plant spacing into a system, a seed discharge motor is controlled by a control system to drivethe seed discharge disc to rotate at a uniform speed, single seed sucking is ensured by using a seed clearing mechanism, and precise single seed sowing is achieved; when seeds are cleared, a seed changing mechanism is driven by a seed chamber motor to rotate, different seeding cells contact different seed chambers, and residual seeds are automatically cleared in a circulation manner, new varieties can be supplied, and meanwhile the rotation speed of a seed discharge motor is controlled to be adaptive to different seed spacing of seeds; by adopting the seed discharge device, the problem that excessive labor is needed as artificial seed clearing and change are implemented in the breeding experiment process can be effectively solved, and accuracy and science of scientific seed breeding testing can be ensured.
Owner:NORTHEAST AGRICULTURAL UNIVERSITY

Botany method for efficiently improving saline-alkali soil

The invention discloses a botany method for efficiently improving saline-alkali soil. The method comprises the following steps: (1) turning over the land, harrowing, laser-levelling, salt-leaching, and seeding in spring; (2) irrigating after 10-15 days of the seeding, from the end of the Chinese wildrye trefoil stage to the beginning of overwintering, determining whether to irrigate according to the practical situation; (3) from the next year after the seeding, performing the following operations every year: applying one time of a humic acid combined fertilizer every twenty days after the Chinese wildrye turns green, and immediately performing one time of the irrigation after applying the fertilizer; applying a nitrogenous fertilizer after harvesting a batch of the Chinese wildrye, and immediately irrigating; and from the green-turning of the Chinese wildrye to the beginning of overwintering, determining whether to irrigate according to the practical situation. The method for improving the saline-alkali soil by using the Chinese wildrye of China sciences group No.1 is simple, easy, efficient and economized. The method is promoted in the large area of the similar saline-alkali soil in the north of China, the saline-alkali soil can be rapidly improved, the good steppe ecology environment is recovered, the ecological benefits can be realized, and the better economic benefit and the social benefit can be obtained.
Owner:刘辉

Protein for adjusting rice chlorophyll synthesis and encoding gene and application thereof

PendingCN108841797ASynthetic regulationOxidoreductasesFermentationNucleotideAmino acid
The invention discloses a protein for adjusting rice chlorophyll synthesis and an encoding gene and application thereof. The protein has an amino acid sequence as shown in SEQ ID NO: 3. The encoding gene of the protein has a nucleotide sequence as shown in SEQ ID NO: 1. The mutation of the encoding gene of the protein related to the rice chlorophyll precursor synthesis leads to yellow stripe leaves of the rice plants, and severe mutation leads to death of whiten seedlings. The gene in a normal planting is knocked out through a Crisp / cas9 gene encoding technology, and the normal green plant phenotype can be mutated into whiten seedlings and dies after trefoil stage. The encoding gene is an important indicating gene in the works such as the work of genetic improvement of the plant, and theencoding gene can be treated as a target gene to be applied to the seed production of hybrid rice; particularly the encoding gene can rapidly conveniently detect the purity of filial generation F1 inthe seedling stage during the seed production of two-line system hybrid rice; and meanwhile, the carried target gene sterile line etiolated seedling can be quickly removed in the seedling stage duringplanting the hybrid rice.
Owner:CHINA NAT RICE RES INST

Automatic detection methods for trefoil stage and seven-leaf stage of corn

The invention provides automatic detection methods for a trefoil stage and a seven-leaf stage of a corn. According to the methods, segmentation is automatically carried out on a collected downward viewing image of a corn in the field and an image feature is extracted; and it is determined whether the corn in the image area enters a trefoil stage by utilizing the extracted image feature; and furthermore, on the basis of utilization of a feature of an initial image at the trefoil stage, it is automatically determined whether the corn enters a seven-leaf stage with regard to different sowing modes. According to the invention, an image feature parameter that characterizes the number of leaves of a corn is utilized as a determination basis; real-time determination is carried out on a growth period of the corn; and the detection result has high accuracy; therefore, the methods provided in the invention have an important guiding significance for an analysis of a relationship between a corn developmental phase and a meteorological condition, identification on an agricultural meteorological condition for corn growth as well as for farming activities on corns.
Owner:HUAZHONG UNIV OF SCI & TECH
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