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261 results about "Green yellow" patented technology

When mixed together, green and yellow combine to create a color called yellow-green, according to Color Matters. The color result can also be manipulated by adding varying amounts of the two colors. For example, if more green is used, the color created would be more green-yellow than yellow-green ...

Method for producing complex micro-ecological preparation with microbial agents and enzyme

The invention discloses a method for producing a complex micro-ecological preparation with microbial agents and enzyme. According to the action principles and characteristics of every microbial strain, the method adopts scientific combination and adds enzyme preparations and acidifier to enable microorganisms in the product to grow rapidly and take dominance in fermented feed and animal bodies so as to reduce the growth opportunity of miscellaneous bacteria. The preparation comprises the following components: bacillus subtilis, lactobacillus plantarum, candida utilis yeast, lactobacillus acidophilus, protease, amylase, cellulase, xylanase, mannanase, galactosidase, pectinase and citric acid. As all strains of the product adopt liquid deep fermentation culture, the non-polluting property of the product is guaranteed. Liquid microbial agents ensure that the number of bacterial colonies of the product is more than 100 million and the product is free from the pollution of other miscellaneous bacteria, while solid microbial agents ensure that the number of bacterial colonies of the product is more than 1 billion and the proportion of miscellaneous bacteria to effective bacteria is not more than 0.0001. The preparation contains bacillus, lactic acid bacteria and yeast, can apply to the processes of making green-yellow storage feed, fermenting feed, soaking feed, and the like, can be directly added to feed for feeding, and can improve the growth performance of ruminant animals, poultry, pigs, aquatic products and special animals.
Owner:ZHAODONG SUN SHINE ENZYME

Laser stripping film LED (Light-Emitting Diode) and preparation method thereof

The invention discloses a laser stripping film LED (Light-Emitting Diode) and a preparation method thereof. A chip unit of the laser stripping film LED comprises a type n layer, a quantum well, a type p layer, a periodical metal nanometer structure, an electrode p, an insulating layer and an electrode n, wherein the type p layer is formed on the quantum well; the periodical metal nanometer structure is embedded into the type p layer; the abovementioned structures inversely cover on a substrate; and a bonding pad p is arranged at one corner of a chip. According to the laser stripping film LED, the coupling resonance functions of surface plasmons and a quantum well structure are utilized, so that the radiation compounding efficiency and light-emitting efficiency of the LED are increased greatly under bulk injection, and meanwhile, certain effects are achieved on green-yellow light and ultraviolet light LEDs with low light-emitting efficiency; laser scribing and corroding methods are adopted for partitioning the chip unit, so that the warping of an epitaxial wafer is reduced, and the processing difficulty and cost are lowered; and specific to the bonding pad p, a protection layer and silver layer evaporation process is adopted, so that the manufacturing process of the bonding pad p is simplified, and the process cost is lowered; and a hot phosphoric acid coarsening method is adopted, so that the process cost is lowered, and the light-emitting efficiency of the LED is increased.
Owner:PEKING UNIV

Method and detection device used for distinguishing natural gemstone and synthetic gemstone

The invention discloses a method and a detection device used for distinguishing natural gemstone and synthetic gemstone. The method comprises following steps: continuous wave band ultraviolet light with a wavelength ranging from 220 to 360nm is used for irradiating sample surfaces; sample surfaces and surface right lower regions are irradiated; fluorescence and phosphorescence are excited so as to form fluorescence images capable of reflecting growth of the irradiated regions, and phosphorescence illuminate images are formed when irradiation is shut down; image characteristic difference is obtained via observation based on the fluorescence images and the phosphorescence illuminate images so as to determine that the detected samples are natural gemstone or synthetic gemstone; if the images are not capable of emitting phosphorescence and blue white fluorescence, and horny growth patterns are observed, the detected samples are natural gemstone; if the images are capable of emitting phosphorescence, blue green or yellow green fluorescence, and layered growth structures and octagonal growth structures are observed, the detected samples are synthetic gemstone. According to the method, only the surface regions of gemstone are irradiated without influences by other factors, and it is possible to determine the detected samples are natural or synthetic based on patterns, or fluorescence, or phosphorescence generated by the gemstone samples.
Owner:SHENZHEN JEWELRY RES INST NAT GEMS & JEWELRY TECH ADMINISTATIVE CENT

Light source of LED (light-emitting diode) insect killing lamp with multiple crest optical spectrums

The invention relates to a light source of an LED (light-emitting diode) insect killing lamp with multiple crest optical spectrums, belonging to a semiconductor LED (light-emitting diode) light source and the application field thereof. The light source comprises a lamp holder, a transparent light tube and a metal heat dissipating column arranged in the transparent lamp holder; an LED (light-emitting diode) metal base printed circuit board on which a luminescent device is surface-mounted is arranged on the metal heat dissipating column; the metal heat dissipating column is a regular polygon hollow cylindrical surface body; a regular hexagon is preferably used as the cross section of the metal heat dissipating column; the spectrum range of the light source is in the range of 320-650nm; the number of the crests of the light spectrum is 6; and the crests have different luminous colors and comprise an ultraviolet LED (light-emitting diode), a blue light LED (light-emitting diode), a green light LED (light-emitting diode), a green yellow light LED (light-emitting diode), a yellow light LED (light-emitting diode) and an orange red light LED (light-emitting diode) which are different in main wavelength. The radiation efficiency is increased from 12% of a black light lamp to 20%; and therefore, the Light source has the advantages of saving the energy source consumption, being beneficial to energy saving, environmental friendliness and having low cost. The service life of the light source is prolonged to ten thousand hours; the angles of light beams are increased from 120 degrees of an LED (light-emitting diode) luminous element to 360 degrees of the LED (light-emitting diode) light source so that the whole light spectrum trapping on different types of insets at different growth stages is effectively realized.
Owner:CHENGDU BEYOND TECH

Method for preparing urchin-shaped hydroxyferric oxide and urchin-shaped ferric oxide nano material

The invention relates to a method for preparing an urchin-shaped hydroxyferric oxide and urchin-shaped ferric oxide nano material, which adopts a glucose guiding hydrolysis process and an annealing process and specifically comprises that: a ferrous salt is used as a raw material, the hydrolysis reaction is guided by adopting a saccharide structure indicator, the weight ratio of the glucose to an iron source is 0.5 to 5, and the molar concentration of the saccharide structure indicator is 0.02 to 0.2M; and then, an oxidizing gas is introduced into the raw materials at the temperature of between 25 and 100 DEG C, a yellow green urchin-shaped hydroxyferric oxide product is obtained through stirring reflux reaction, washing and filtration, and the product is annealed to form the urchin-shaped ferric oxide nano material with adjustable specific surface area and topography. The method has the advantages of simple operation, low requirement for equipment, low cost and high efficiency, and is easy in industrial application and popularization; and the synthesized nano material has the advantages of high purity, little impurity content and large specific surface area, can obviously improve the performance of a catalyst and a battery, and has remarkable economic benefit and social benefit.
Owner:ZHEJIANG NORMAL UNIVERSITY

White-light LED (Light Emitting Diode) light source

The invention relates to a white-light LED (Light Emitting Diode) light source. The white-light LED light source comprises a bowl cup, a blue-light LED chip arranged at the bottom of the bowl cup, yellow-green fluorescent powder and red fluorescent powder, wherein the yellow-green fluorescent powder and red fluorescent powder are arranged above the blue-light LED chip, and the yellow-green fluorescent powder is arranged above the red fluorescent powder. The white-light LED light source selects the yellow-green fluorescent powder with high luminous efficacy and a rare earth aluminate matrix, yellow-green silicate fluorescent powder and silica-based nitride red powder which are combined and matched with the blue-light LED chip, and through the reasonable design of the spatial layout of fluorescent powder with different systems inside an LED, the secondary absorption of yellow-green light by the nitride red fluorescent powder can be effectively overcome, and the relatively high emergent light efficiency also can be obtained simultaneously when a color rendering index is obviously promoted. A light-emitting system provided by the invention can realize white light with high luminous efficacy and a high color rendering index by adjusting the proportioning of fluorescent powder with different emission spectrums so as to meet the technical requirements of general lighting.
Owner:江西省兆驰光电有限公司

Densification tobacco flue-cure dry-wet bulb temperature automatic control technique based on tobacco image processing

The invention provides a densification tobacco flue-cure dry-wet bulb temperature automatic control technique based on tobacco image processing. The technique includes: building an intelligent expert database of the green-yellow ratio of the tobacco, the tobacco stem and the main vein parts of tobacco flue-cure and the dry-wet bulb temperature curve; using a color video camera to collect the color images of tobacco in a standard flue-cure room in real time; performing binarization on the green component images of the color tobacco images, extracting the tobacco, the tobacco stem and the main vein parts and the like, and calculating the green-yellow ratio of corresponding parts; performing Bayesian crosscheck on the green-yellow ratio of the tobacco, the tobacco stem and the main vein parts and the like and the corresponding features in the intelligent expert database, and estimating current tobacco flue-cure state in real time; feeding the current tobacco flue-cure state to a dry-wet bulb temperature automatic control system of the flue-cure room, calling corresponding dry-wet bulb temperature expert curves to automatically control dry-wet bulb temperature. The technique has the advantages that the constantly changed tobacco flue-cure image features during tobacco flue-cure are utilized to monitor densification tobacco flue-cure quality online in real time, tobacco flue-cure dry-wet bulb temperature is controlled automatically, quality of flue-cured tobacco can be increased effectively, and labor cost of tobacco flue-cure workers can be reduced.
Owner:CHONGQING UNIV +2

Methods for detecting the content of chromium ion in soil

The invention relates to a method for using an atomic absorption spectrometry to detect the chromium ion content in the soil. The method has the specific steps that: firstly, the invention establishes a chromium standard concentration-absorbance curve, then, the soil sample is added with the distilled water for moisturization, after that, the concentrated sulfuric acid and the concentrated phosphoric acid are used for digestion, the heating is carried out till the soil sample emits the white smoke, then the concentrated nitric acid is added till a large amount of white smoke comes out and the soil sample turns white, and the digestion liquid turns yellow green; the digestion liquid is transferred to a standard volumetric flask, the pH value is regulated to 7, 1 percent of H2SO4 - 1 percent of Na2SO4 solution is added for dilution to a standard scale, the mixture is shaken evenly and placed still till the solution is clarified, the upper layer of clear solution is taken for the measurement of the absorbance under a wavelength of 213.9nm, and the chromium ion content in the soil sample can be obtained by comparison with the established standard curve in the step a. The measurement error of the chromium ion content in the soil sample which is measured by the method of the invention is within 3 percent.
Owner:SHANGHAI UNIV
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