33 results about "Yellow green colour" patented technology

The invention discloses a molecular marker and application thereof. The molecular marker shows insertion / deletion length polymorphism of a nucleotide sequence as shown in SEQ ID No. 1. The molecular marker is closely related to the property of the pericarp line color of muskmelon with yellow-green pericarp and can be effectively used for molecular marker-aided breeding of the muskmelon.

The invention belongs to the technical field of diisocyanate production, and particularly relates to a functional color reducing agent, and a method for stabilizing the color number of a diisocyanateproduct. The functional color reducing agent comprises: (a) a hindered amine substance, and (b) a hindered phenol substance and / or an ester substance. The method for stabilizing the color number of the diisocyanate product comprises the following steps: mixing the functional color reducing agent with diisocyanate, carrying out freezing crystallization, and redissolving obtained crystals to obtaina liquid in order to obtain the diisocyanate product with a stable APHA color number. The method can avoid yellow-green salt substances from being generated in the freezing crystallization and redissolving process of the diisocyanate product, achieves the color number stability of the diisocyanate product, and keeps the low color number of the product after freezing crystallization and redissolving.

The invention relates to a natural dyeing auxiliary agent for dyeing middle and light color systems and a dyeing method of the natural dyeing auxiliary agent. The natural dyeing auxiliary agent consists of, by weight, 90-60 parts of apple pomace liquid fermentation aqueous solution, 0.5-3 parts of B vitamins, 3-0.5 parts of sodium polyaspartate, 0-2 parts of light rare earth EU<3+> or La<3+> and 6.5-34.5 parts of purified water. A composite dyeing mode of one-bath dyeing promotion and after-bath mordant dyeing is adopted. Compared with the prior art, the natural dyeing auxiliary agent has thebeneficial effects that the color systems formed by plant dyeing, such as gray, purple, yellow green and brown, are firm in color fastness after subjected to soaping, dry-wet friction, light resistance and the like, the color fastness is improved by 1-2 levels, and the actual requirement of industrial mass production is met.

The invention discloses a preparation method of a room-temperature phosphorescent carbon-based composite material capable of changing color under a single excitation source. The carbon-based composite material with the room-temperature phosphorescent property capable of changing color under the single excitation source is obtained by utilizing a hydrogen-bond interaction co-crystallization composite strategy of carbon quantum dots and common room-temperature induced aromatic compounds, and the yield is 75.3%-90.7%. The material effectively overcomes the condition limitation that the existing color-changing room-temperature phosphorescent material needs to be under the combined action of different excitation sources or blending of a plurality of compounds, and realizes color-changing room-temperature phosphorescence of the carbon-based composite material in the range of orange-yellow-yellow-green-green visible to naked eyes under a single excitation source, and the service life is 91 ms-582 ms. The preparation route is green, environment-friendly, economical and convenient, the phosphorescence color change range and the service life are adjustable, and the material has wide application prospects in the fields of advanced anti-counterfeiting and digital encryption.

The invention relates to the technical field of natural gas pipeline detection and discloses leak hunting equipment for detecting natural gas pipelines with different pipe diameters. The equipment comprises a rack body, wherein the top of the rack body is fixedly connected with a disc body, the top of the disc body is fixedly connected with an air chamber, the top of the disc body is rotatably connected with a rotating wheel, a piston is movably connected in an air chamber, the end, far away from the disc body, of the air chamber is elastically connected with a suction port, and the top of the air chamber is elastically connected with an air outlet. The leak hunting equipment for detecting natural gas pipelines with different pipe diameters can detect leak of pipelines with different pipe diameters, such that the universality of the equipment is improved. Periphery gas of the pipeline is inhaled via a gas guiding pipe and the suction port by changing the volume of the air chamber and is discharged into a transparent container. After methane is reacted with oxygen in the transparent container, a yellow-green color deficiency becomes shallow quickly under illumination to generate an oily liquid which is easy to observe, thereby achieving an effect of lowering the detection cost as leak is detected by oxygen.

The invention provides a faint yellow refrigeration coating, and belongs to the technical field of passive refrigeration. The coating comprises the following components in percentage by mass: 35-45% of styrene-acrylic emulsion, 3-5% of a purple photoluminescent pigment, 12-18% of other photoluminescent pigments, 25-30% of titanium dioxide, 1-2% of yellow pigment, 10-15% of water and 2-5% of auxiliaries. The surface temperature of the refrigeration coating is lower than the ambient temperature under direct sunlight. According to the refrigeration coating disclosed by the invention, a complementary color photon compensation method and a fluorescent photon compensation method are utilized, and the purple photoluminescence pigment and the other yellow-green photoluminescence pigments are added into yellow finish paint, so that the spectral reflectivity of the coating in a solar spectrum ultraviolet region and a visible light region is improved. Meanwhile, the titanium dioxide is added, and the hyperspectral reflectivity of the coating in a near-infrared region is maintained, so that the total effective solar reflectivity of the surface of the coating is greater than 0.95, and the total infrared radiance is greater than 0.92, so that the lowest requirement of a passive refrigeration technology that the surface temperature is lower than the ambient air temperature under direct sunlight irradiation on the condition that the total solar reflectivity of the surface is not lower than 0.94 is fully met.

The invention discloses a CuIN2P type cuprous complex luminescent material with yellow-green phosphorescence, and a preparation method thereof. The phosphorescent complex provided by the invention is obtained through a coordination reaction of cuprous iodide and ligands. The complex has a molecular structural formula of CuI(TXP-2,4)(DAF), wherein TXP-2,4 and DAF are respectively electrically neutral ligands tris(2,4-xylyl)phosphine and 4,5-diazafluoren. The complex has the advantages of small molecule easy purification and high luminous efficiency. The complex is also easy to dissolve with an organic solvent. The material is obtained through a direct mixed reaction of cuprous iodide and ligand solutions. The method has the advantages of simple process, simple equipment, easy-to-obtain raw materials, low cost and the like. The material can be used as a photoluminescence yellow-green light material, and can be used as a luminescent layer phosphorescent material in a electroluminescent device composed of multiple layers of organic materials.

The invention discloses a preparation method of sulfur dye, comprising (1), preparation of sodium polysulfide; (2), hydrolysis; (3), vulcanization; (4), oxidation; (5), beating; (6) ,dry. The preparation process for producing sulfur black dyes from dinitrogen produced by o-nitrochlorobenzene and the sulfur black products produced have green light values ​​of ‑0.01~‑0.26 and yellow light values ​​of ‑0.03~‑0.25. Compared with similar yellow-green light sulfur black dyes, the blackness of the sulfur black dyes on cotton fabrics is greatly improved, and the yellow-green light sulfur black dyes produced by the invention have better decolorization effect after dyeing.

The invention relates to a quality testing device of an insulated cable, in particular to a tester for the yellow-green ratio of a yellow green line core. The purpose of the invention is to provide a tester simple in structure, convenient to operate and capable of realizing accurate test for the yellow-green ratio of the yellow green line core. The purpose of the invention is realized by adopting the following technical scheme: the tester for the yellow-green ratio of the yellow green line core comprises a graduated disk; at least one indicator is arranged at the center of the graduated disk; a transparent surface plate is arranged above the graduated disk and the indicator; and the center of the graduated disk and the center of the transparent surface plate are in the same vertical line. The tester for the yellow-green ratio of the yellow green line core, provided by the invention, has the beneficial effects of simplicity in structure, low cost, convenience in operation and capability of lowering the working difficulty during measurement and realizing accurate test for the yellow-green ratio of the yellow green line core.

The invention relates to a light source assembly of a jungle lighting device, and belongs to the field of lighting equipment. The light source assembly is installed on a light reflecting bowl, and comprises a lamp panel, LED light sources, struts and a light reflection strip, and the lamp panel is installed under the struts; and the LED light sources are a composite yellow and green light sources,the struts are installed between the lamp panel and the light reflection strip, and the light reflection strip is installed at the upper ends of the struts. The light source assembly has the beneficial effects that the structure is simple, the size is small, light is soft, the warm and sweet environment can be created, and the jungle green whitewash effect is good.

The invention discloses a method for substrate-free one-step synthesis of yellow green solid carbon dots. The method comprises the following steps: dissolving a precursor of a carbon source and a doped nitrogen source in absolute ethyl alcohol, and carrying out ultrasonic treatment until the precursor and the doped nitrogen source are completely dissolved to obtain a mixed solution A; performing solvothermal reaction on the mixed solution A to obtain a reaction solution B; cooling the reaction solution B to room temperature, taking out supernate, and filtering the supernate to obtain a carbon dot solution C; and drying the carbon dot solution C to obtain the yellow green solid carbon dots. Resorcinol is used as a precursor of a carbon source, m-xylylenediamine is used as a doped nitrogen source, solvothermal reaction is adopted, only the synthesized carbon dot solution needs to be naturally volatilized subsequently, modification treatment and matrix introduction in the later period are not needed, a subsequent separation process is not needed, and expensive and complex equipment is not needed, so that the solid-state luminous carbon dots can be obtained; and large-scale popularization and application can be realized.

The invention discloses a method for identifying sodium carbonate and sodium bicarbonate solutions by nickel ions. The method of the present invention is to add dropwise nickel nitrate solution respectively in sodium carbonate and sodium bicarbonate solution, the results show that white or yellow-green turbidity or precipitation occurs in the sodium carbonate solution, but no phenomenon is observed in the sodium bicarbonate solution. The method of the present invention effectively solves the problem of rapid identification of both colorless and transparent sodium carbonate and sodium bicarbonate solutions, can better provide services for production, life, scientific research and teaching, and has simple equipment, convenient operation, and easy access to medicines. Yes, the phenomenon is obvious, the security is strong, and the effect is very good.

The invention discloses a yellow green afterglow material and a preparation method thereof, and relates to the field of inorganic functional materials. The general chemical formula of the yellow green afterglow material is Ca2-x-yMgSi2O7: xEu<2+>, yDy<3+>, x is equal to 0.005 to 0.015, and y is equal to 0.01 to 0.08; the preparation method comprises the following steps: weighing oxide or metal salt raw materials of corresponding elements according to the chemical composition in the chemical general formula of the afterglow material; mixing the weighed raw materials, carrying out ball milling treatment, and drying to obtain a precursor; and calcining the precursor in an atmosphere environment, and carrying out ball milling again to obtain the afterglow material. Rare earth ions Eu<2+> and Dy<3+> are used as luminescence centers and can be excited by sunlight, damage to a human body is avoided, so that large-scale application is met, and the yellow-green afterglow material is good in luminescence stability and long in afterglow luminescence time and can be applied to the aspects of coatings or commodity marks and the like.

The invention discloses a yellow green phosphorescent cuprous complex luminous material based on a diphenyleneimine ligand and a preparing method thereof. The phosphorescent complex is obtained through coordination reaction of cuprous iodide and the ligand. The molecular structural formula of the phosphorescent complex is CuI(o-Tol3P)(DAF), wherein o-Tol3P and DAF are electroneutral Tri(2-tolyl)phosphine containing a P ligand and heterocyclic ligand 4,5-carbolines respectively. The complex has the advantages that micromolecule purification is easy and luminous efficiency is high and also has the advantage of being capable of being easily dissolved in organic solvent. The material is obtained through direct mixed reaction of cuprous iodide and a ligand solution and has the advantages that technology is simple, equipment is simple, and raw materials are easy to obtain and low in cost. The material can serve as a photoluminescence yellow green luminescent material and can also serve as a luminescent layer phosphor material in an electroluminescence device composed of multiple layers of organic materials.

A new and distinct Lonicera nitida cultivar is provided that is a mutation of the `Maigrun` cultivar (non-patented in the United States). Distinctive new foliage is formed that bears yellow-green coloration unlike that of the `Maigrun` cultivar. A spreading growth habit is displayed and the plant performs well in a semi-shaped environment. The unusual foliage coloration combined with the other characteristics provides the horticultural industry with an distinctive ornamental plant for growing in pots or in the landscape.

The invention discloses a tomato yellowing-to-green gene SlRHBDD2 coding regionc DNA sequence SEQ ID No.1 and a coding proteinamino acid sequence SEQ ID No. 2. The gene SlRHBDD2 for controlling the tomato leaf color is cloned from an early tomato leaf color yellowing mutant "cel y 403" by a map-based cloning technology, and a function complementation test proves that the SlRHBDD2 is a gene for controlling the tomato leaf color yellowing to green. According to the leaf color yellowing-to-green character controlled by the gene, early cotyledons and core leaves are yellow green, the chlorophyll content is reduced, and the net photosynthetic rate is reduced; and the leaves in the later stage are turned into green, the chlorophyll content and the net photosynthetic rate are recovered, so the gene can be used as a seedling stage marker for early selection of filial generation in the breeding process of new tomato varieties, such as the seedling stage identification of a nuclear male sterile line, can also be applied to the aspects of seed production, purity identification and the like, and has good application prospect.

The invention discloses a plant dyeing method of natural sponge. The plant dyeing method comprises the following steps of: indigo dye preparation, natural sponge indigo dyeing, repeated dyeing and blue dyeing aftertreatment. The dyeing method disclosed by the invention has the beneficial effects that: the natural sponge is dyed by utilizing natural plant dyeing, and the pharmacological activity ofindigo is increased by combining a natural sponge material and an environment-friendly plant dyeing process; according to the dyeing method, natural sponge products with primary colors and yellow colors are endowed with richer plant color forms, the color spectrum can cover yellow green to dark blue which can be reached by blue dyeing in sponge dyeing, and the color space and the functional activity of the natural sponge products are greatly enriched; according to the dyeing method, the active function of the plant traditional Chinese medicine is added on the basis of the pharmacological activity of the natural sponge.

The invention discloses a preparation method of a pigment for Thangka. The method comprises cleaning large mineral raw stones, sorting and classifying the mineral raw stones according to colors, crushing into small stones, then crushing into particles, after cleaning, putting into a water injection stone mill, carrying out wet milling for 3 to 4 days, wherein the material floating on the upper layer is used as stone green and the material at the bottom is used as dark blue, wet-grinding the stone green coarse material again, taking the uppermost layer as third green, taking the top second layer as second green, taking the bottommost layer as first green, wet grinding the dark blue coarse material again, taking the uppermost layer as light blue, taking the penultimate layer as second green,taking the antepenultimate layer as third green, taking the bottommost layer as first green, and respectively blending greens with pigments of yellow, cyan, ripe brown, white, light tea color, meat color and the like to obtain yellow green, dark green, dark black, light green, He purple, black purple, milk white and cyan meat color pigments. The pigment prepared by the method disclosed by the invention can be used for inhibiting too fast attenuation of colors, so that the drawn Thangka painting can keep bright colors for a longer time.