51 results about "Color tests" patented technology

The method of the present invention involves first estimating the common gamut of the colors that this printer is expected to reproduce. Two color test targets are defined, each containing a wide range of color patches spanning color space. Preferably comprising color patches which are expected to be outside the gamut of the printer as well as color patches expected to be within the gamut of the printer. The left-to-right test target is printed in single-pass, uni-directional print mode, (printing on left-to-right scans only) and a color calibration table for left-to-right printing is generated. The right-to-left test target is printed in single-pass, unidirectional print mode, (printing on right-to-left scans only) and a color calibration table specific for right-to-left printing is generated. The next step of the present invention involves determining the mathematical intersection of the gamuts produced by printing in left-to-right mode only and by printing in right-to-left mode only. This is done by, first printing the left-to-right test target processed by the color calibration table associated with the primary print direction. Then, printing the right-to-left test target processed by the color calibration table associated with the secondary print direction and comparing each of the corresponding outputs. Colors which are within the gamut of both left-to-right only and right-to-left only printing are identified by their similarity or distance from each other in color space. Thereafter and having obtained the gamut intersection of left-to-right and right-to-left printing modes, new calibration tables are generated for each printing direction with the starting gamut (range of achievable colors) based on a slightly smaller gamut than the gamut intersection identified. In other words, the color gamut, having been clipped in both directions to the intersection of the gamuts, becomes the new gamut for the iterative calibration process.

A process for producing purified alcohols yielding good results in the acid wash color test which comprises the condensation step of subjecting an aldehyde to aldol condensation and dehydration to obtain a corresponding condensate, the hydrogenation step of hydrogenating the condensate into a crude alcohol, and the purification step of distilling the crude alcohol to obtain a purified alcohol, characterized by feeding into the purification step a crude alcohol containing compounds having oxygenic heterocycles bearing carbon-carbon double bonds in the cycle in a concentration of as low as 200 ppm by weight or below. In particular, the aldehyde is n-butyraldehyde, the condensate is 2-ethylhexenal, and the alcohol is 2-ethylhexanol.

A system for visualization of a building material on a building, the system adapted to provide a rendered image having a ΔE, as measured according to a Color Test, of less than 10, less than 8, less than 6, less than 5, less than 4, less than 3, less than 2, or even less than 1.

The invention discloses a method for degrading malachite green by using bacterial cellulose membrane-immobilized phanerochaete chrysosporium. The method comprises the following steps: preparing a solid plate culture medium and obtaining activated acetobacter xylinum NUST4.2 as a strain; performing static fermentation culture to obtain bacterial cellulose membrane carriers and cutting to obtain small cuboids with different sizes; preparing a spore suspension of phanerochaete chrysosporium; preparing a liquid culture medium; adding the bacterial cellulose membrane carriers with different sizes and numbers into the liquid culture medium and putting the spore suspension of the phanerochaete chrysosporium into the liquid culture medium to prepare the immobilized phanerochaete chrysosporium; and performing de-coloring test on malachite green dye wastewater by adopting the obtained immobilized phanerochaete chrysosporium to determine the influence of the bacterial cellulose membrane carriers on the degradation of the malachite green dye wastewater by the immobilized phanerochaete chrysosporium. According to the method disclosed by the invention, the efficiency and stability of the phanerochaete chrysosporium in degrading the malachite green are improved.

The invention discloses a thin-layer chromatographic detection method of curcuma in Fushengkang tablets. This method uses ethyl acetate to extract the volatile oil in Fushengkang as the test solution; and uses the same method to process the reference medicinal material Curcuma to make a reference medicinal solution; petroleum ether (60-90°C)-ethyl acetate-glacial acetic acid is used as Developing agent, use silica gel thin-layer plate to develop, spray with newly prepared vanillin test solution, heat at 105°C until the spots are clear in color; If there are no spots, it means that the finished product of Fushengkang contains zedoary ingredients; and if the chromatogram of the test product does not show the main spot of the same color at the position corresponding to the chromatogram of the reference medicinal material, it means that the finished product of Fushengkang does not contain zedoary ingredients. The present invention uses ethyl acetate to reflux heat the sample instead of using ether to sonicate the sample, which solves the problems of sample gelatinization, adhesion, and difficult filtration, and reduces the potential harm to human health; the color development result is accurate: the spots are clear and reproducible Good performance and high accuracy.

The invention discloses a light-sensitive urine inspection machine which comprises a case shell, a plurality of cup holder shells are arranged at one end of the case shell, cup holder bin gates are arranged at other ends of the cup holder shells, cup bodies are arranged in the interior formed between the cup holder shells and the cup holder bin gates, and CCD light sensors are arranged on inner walls of the cup holder shells. Cup covers are arranged at upper ends of the cup bodies, T-shaped pistons are arranged in the middles of the cup covers, pipelines are arranged at lower ends of the cup bodies, circular openings are formed in the middle of the pipelines, sealing gaskets are arranged in the circular openings, springs are arranged at the lower ends of the sealing gaskets, detection windows are arranged on sides of the pipelines, and one end of each detection window is covered with color test paper. A urine conveying liquid path system used in a traditional urine analyzer is avoided,a flushing water tank and a waste liquid recycling tank do not need to be arranged, the cost is saved, the space is saved, the pollution is prevented, and the efficiency is improved.

The invention discloses a coating color test display device. The coating color test display device comprises a color tester shell, a working space is formed in the color tester shell, a color test mechanism is arranged in the working space and comprises a motor fixedly arranged on the inner wall of the rear side of the working space, a motor shaft is controlled on the front end surface of the motor, a first winding wheel is fixedly arranged on the motor shaft, and a sliding space is formed in the first winding wheel. The coating color test display device is internally provided with a square mold and a cylindrical mold for coating color testing, color testing is comprehensive, and the effect is good; automatic smearing operation can be conducted after coating is manually poured, through movement of cloth and rotation of the molds, the coating can be evenly smeared on the surfaces of the molds, the color of the coating is fully displayed, and the good overall display effect is achieved;and the coating color test display device is high in automation degree, manual operation is less, the time and labor are saved, and the possibility of being stained by the coating is reduced.

The invention relates to the field of recycled plastic quality evaluation, and provides a multi-dimensional quality evaluation method for recycled plastic. The method at least comprises physical and mechanical property test, safety test, color test, impurity quantitative test, molding surface test, odor grade test and metal content test. The method is used for evaluating the quality of the recycled plastic from multiple different aspects, is comprehensive and accurate, has very high practicability, can improve the market value of recycled products of the recycled plastic, is beneficial to recycling and re-classification, and realizes real resource cyclic utilization.