68 results about "Solid density" patented technology

A picture color tone controlling method and apparatus for a printing press is disclosed which can readily and rapidly eliminate a positional displacement between a plate making image and an actual machine image and can appropriately perform color tone control in which an IRGB densitometer is used. A plate making picture position obtained from plate making data is moved so that a positional displacement between the plate making picture position and an actual picture position obtained from a result of actual printing. A target color mixture halftone density for each ink supplying unit width when a printing picture is divided with an ink supplying unit width of an ink supplying apparatus is set. An IRGB densitometer is used to measure the actual color mixture halftone density for each ink supplying unit width of an actually printed sheet obtained by printing. The color mixture halftone densities are individually converted into halftone dot area ratios and further into monochromatic halftone densities. Then, the Yule-Nielsen expression or the like is used to determine a solid density deviation corresponding to a deviation between the target monochromatic halftone density and the actual monochromatic halftone density, and the ink supplying amount is adjusted for each ink supplying unit width in response to the solid density deviation.

A polycrystalline granulated silicon is made of particles which have a density of greater than 99.9% of the theoretical solid density and therefore have a pore content of less than 0.1% and have a surface roughness R_a of less than 150 nm.

The invention discloses a printing color quality measurement method. The method comprises the steps of measurement pre-preparation, pre-printing normalization, standardization inspection of a printing machine, ink-water balance measurement, determination of optimal solid density, ink outputting curve measurement of the printing machine, printing of standard samples, manufacturing a printing machine curve, verification of the printing machine curve, analysis of the printing samples, and correction of network data. According to the printing color quality measurement method, printing data is effectively analyzed and corrected through the strict and normal measurement, and the method has quite high practical value and wide application prospects.

The invention discloses a method for obtaining the optimal solid density for coated paper printing. The method comprises the steps that 1, a CTP process control system is built, and the CTP device calibration work is finished; 2, a printer process control system is built, and the printer device calibration work is finished; 3, a printing test standard version is designed, a printing test is conducted through a standardized test method, and standard test specimen page is obtained; 4, data measurement is conducted on the density and chromaticity parameters of the specimen page; 5, according to the measured result, the optimal solid density for coated paper printing is calculated and obtained. According to the method for obtaining the optimal solid density for coated paper printing, on the basis of calibrating a CTP and a printer, the printing test is standardized, the eligible test specimen page is selected, the density and chromaticity values of a specimen paper designated color piece are measured, and a corresponding relation table for the chromaticity and density is built, so that the optimal density of the printed matter is rapidly determined, the defect that the optimal solid density is obtained through relative contrast is overcome, and accurate reappearance of color reproduction is achieved.

The invention provides a solid density measure method and a method for detecting density qualification of a target material. The solid density detection method comprises: providing a solid sample; measuring the mass of the solid sample in air as a first measure mass M0; submerging the solid sample in a liquid and measuring the mass of the solid sample in the liquid as a second measure mass M2; according to a formula of M0+rho<air>gV<sample>=M2+rho<liquid>gV<sample> to acquire the volume of the solid sample, wherein rho<air> is the density of air, rho<liquid> is the density of the liquid; and according to the volume of the solid sample and the real mass to acquire the density of the solid sample, wherein the real mass is M0+rho<air>gV<sample> or M2+rho<liquid>gV<sample>. The invention also provides the method for detecting the density of a target material is qualified. The solid density measure method disclosed by the invention is capable of improving the detection precision of the target material and improving the film plating quality in sputtering technology.

A picture color tone controlling method and apparatus for a printing press is disclosed by which a noticed pixel for control can be set appropriately and the accuracy in color tone control can be enhanced. For each of ink supplying unit widths, a region which has a high autocorrelation for each of the ink colors is selected in a sensor pixel unit of a densitometer, and a region obtained by removing an edge portion of the pertaining ink color having a width of a predetermined number of pixels from the selected region is set as a noticed pixel for each of the ink colors. Then, a target color mixture halftone density is set for each of the ink supplying unit widths, and an actual color mixture halftone density for each of the ink supplying unit widths of an actually printed sheet is measured using the densitometer. Further, the color mixture halftone density is converted into a halftone dot area ratio and further into a monochromatic halftone density. Then, a solid density deviation is determined, and the ink supplying amount is adjusted for each of the ink supplying unit widths in response to the solid density deviation.

A liquid suspension for planarizing an outer surface of a material comprises a liquid suspension medium of a specific liquid density; and a plurality of solid, contact-sensitive abrasive particles of a constant solid density and suspended in the liquid suspension medium. The liquid and solid densities are approximately the same so that the abrasive particles freely and stably suspend in the liquid suspension medium, without gravitational separation by settling down or floating up. In this way, damaging contacts of the solid abrasive particles with one another are minimized.

Methods of forming a nano-structure for electron extraction are disclosed. One method of forming a nano-structure comprises irradiating an area on a first surface of a thermal conductive film to melt the area across the film. The film is insulated on a second surface to provide two-dimensional heat transfer across the film. The liquid density of the film is greater than the solid density thereof. The method further comprises cooling the area inwardly from the periphery thereof to form a nano-structure having an apical nano-tip for electron extraction.

Provided is a flexo printing plate which enables printing that inhibits the occurrence of voids in the rear end portion of an image portion while preventing decrease in solid density and prevents discontinuity of density from becoming visible. The flexo printing plate has one or more image portions, and in at least one of the image portions, a plurality of depressions having a predetermined width measured from the edge is formed. The depressions have a depth of 2 μm to 9 μm, and an area ratio of the depressions in the end region is a maximum at the edge side and a minimum at the central side of the image portion.

The invention relates to a modularized vacuum system of saturated vapor pressure and solid density of a tested substance and applications thereof. The system comprises constant temperature heating devices, integrated devices, quick couplers, vacuum valves and a three-way valve, wherein each integrated device consisting of a bottle, a valve and vacuum meters is arranged in a constant temperature heating device; the quick couplers, the vacuum valves and the three-way valve are sequentially connected with the integrated devices through pipelines; one joint of the three-way valve is connected with a buffer bottle connected with cascade vacuum pumps; and the system can be used for calculating the density of the substance. Compared with the prior art, the system has the advantages that the dead volume and the connecting point number of the system are furthest reduced by optimized design, and the problems of multiple pipeline connecting points, leakage and single test module and measuring range in the conventional saturated vapor pressure testing vacuum device are solved.

The invention discloses a measuring method for density physical parameter of solid material or other solid specimen, especially the measuring method for physical parameter of solid material specimen with any shape and density less than 1g/cm3. Based on the function of density measuring device for solid substance, weight P1 of measured specimen is measured in air by the density measuring device for solid substance. A standard substance with known weight and cubage is added on the measured specimen and they are immerged into liquid or water completely. P2 is measured by the density measuring device for solid substance. By formula (3) the density of specimen with irregular shape and density smaller than 1g/cm3 can be obtained. The density measuring method for specimen with irregular shape and density smaller than 1g/cm3 can be solved and density measurement for specimen with density smaller than 1g/cm3 can be realized. Analysis for geophysical exploration and building material or measuring class of specimen can be added.

A method of calibrating an optical density sensor comprising calculating a first pigment solid density value of an ink solution using a current first electrical output signal value from a photodetector, a current second electrical output signal value from a photodetector, and a current lens gap value, calculating a second pigment solid density value of the ink solution using a previously measured first electrical output signal value, a previously measured second electrical output signal value, and a previously measured lens gap value, comparing the current first electrical output signal value, the current second electrical output signal value, and the current lens gap value with the previously measured first electrical output signal value, the previously measure second electrical output signal value, and the previously measured lens gap value, and comparing the first pigment solid density value with the second pigment solid density value.

The invention discloses a preparation method of fried instant noodle with good brittleness and good brittleness keeping performance. The preparation method disclosed by the invention comprises the following steps of: selecting factors which obviously influence the texture of the fried instant noodle by the uniform design, researching the influence of each factor to the texture indexes of the fried instant noodle, such as the WAI (work ability index), the WSI, the volume density and the solid density, by a single factor experiment, confirming the values of the factors, and confirming the optimum preparation technology of the fried instant noodle through the response surface analysis. The brittleness and the brittleness keeping performance are taken as the indexes, and the optimum technology parameters are as follows: the frying temperature is 148 DEG C, the frying time is 62s, the water content is 50%, and the salt content is 1.8%. The preparation method disclosed by the invention can quickly and simply test the brittleness and the brittleness keeping performance of the processed instant noodle, and the fried instant noodle with good brittleness and good brittleness keeping performance processed by the preparation method has a wide and practical value.

An object is to securely prevent incorrect reproduction of a highlight portion and an intermediate portion due to the change in condition of the printing press and incorrect reproduction of a shadow portion. The printing press includes a measuring means 12 for measuring the solid densities and the gray balance, of a printed color print image; a computing means 13 for computing respectively the differences between the solid density values and the gray balance measured by the measuring means 12 and their target values; a correction-value-computing means 14 for computing the correct values based on their differences respectively computed by the computing means 13; and an ink-supply-amount-adjusting means 15 for adjusting the amount of the ink of each of the basic colors to be supplied through each of plural ink fountain keys, based on the correction values computed by the correction-value-computing means 14.

The invention discloses a biological hydrogen production method by culturing hydrogen production granular sludgesto to improve the hydrogen production efficiency and stability characterized in charging methane floccule sludges into the reactor to make the volatile suspended solid density be 3-7g/L in the reactor, controlling the flow rate of the organic wastewater flowing through the reactor to make the organic wastewater stay in the reactor for 5-20 hours; regulating the solution pH to 4.0-4.5 in the reactor, and the hydraulic loading to 15-30g/(L.d) from 2-5g(L.d) by increasing 0.1-0.5g(L.d) day by day; steadily operating till a hydrogen production granular sludge containing bultyric acid bacillus mainly and coccus forms in the reactor, then steadily operating till the volume of the hydrogen production granular sludges is 50-70% of the reacting area volume in the reactor. The invention solves the problems of low hydrogen production efficiency by floccule sludges, no steady and continuous hydrogen production existing in known biological hydrogen production method using organic wastewater, and the hydrogen production efficiency can be 1.22-1.37molH.

In an image forming apparatus, a processor performs: a solid density stabilization of adjusting, in accordance with detected toner adhesion amounts of solid toner images of solid tone patterns, a condition to form solid images with respective target image densities; a misregistration reduction of adjusting, in accordance with detection timing of position detection toner images of misregistration detection patterns, a condition to reduce misregistration of toner images; and a halftone density stabilization of adjusting, in accordance with detected toner adhesion amounts of area coverage modulation toner images, a condition to form halftone images with respective target image densities. The processor continuously performs the solid density stabilization and the misregistration reduction, and starts the halftone density stabilization when the solid density stabilization is completed and the misregistration reduction is not completed, to concurrently perform a step of the misregistration reduction and at least a step of the halftone density stabilization.

A low crystallizability polypropylene sheet which has an average spherulite radius between 0.1 μm and 4 μm, an average number of spherulites of 600/mm² or less in a sheet cross section, a solid density of 0.895 g/cm³ or less, a fusion enthalpy H of less than 90 J/g at the highest endothermic peak of the differential scanning calorimetry (DSC) curve, a degree of gloss of 90% or higher on at least one side and shows an exothermic peak of 1 J/g or higher at the low temperature side of said highest endothermic peak and a thickness of 50 μm or more.

The invention relates a rider-type solid-density measuring instrument which converts solid density measurement to length measurement, and achieves length measurement, data processing and data display by utilization of an electronic digital display vernier. According to the measuring instrument, a rider that is the electronic digital display vernier is disposed on a lever. The lever is balanced by adjusting the position of the rider on the lever. Then a solid to be measured is hung on one side of the level, and at the same time the rider is moved a distance (L[2]) to balance the level a second time. Then the solid is immersed in water, and at the same time the rider is moved a distance (L[3]) to balance the level a third time. The two distances of the rider are measured and a ratio (L[2]/L[3]) is calculated by utilization of the electronic digital display vernier; and the ratio is displayed in an electron screen as the density, in a unit of g/cm<3>, of the solid to be measured. The measuring instrument is mainly used for directly measuring the solid density, and the density of the solid to be measured can be directly read out on the electron screen.

In a method of and a system for predicting print colors, a profile generator corrects the standard spectral reflectances of a color chart printed under standard density conditions and the differences between the spectral reflectances of color charts for the respective colors in which the density of one of the colors C, M, Y, K is changed to a changed density setting value and the densities of the other colors are fixed to standard density setting values, using density differences with the standard density setting values which are calculated by a monochromatic solid density calculator. The profile generator then generates a print predicting profile for desired target densities based on the corrected corrective standard spectral reflectances and the spectral reflectance differences, and highly accurately predicts the colors of a print using the print predicting profile when the densities of desired ones of the colors are changed.

The invention relates to an anode paste of lithium ion battery and a positive plate, a lithium ion battery of the positive slurry, therein the positive slurry includes positive electrode active material, positive electrode binder, positive conductive agent and positive additive. The positive conductive agent is porous carbon conductive agent. The positive additive is fluorocarbon surfactant. Related to existing technology, the porous carbon conductive agent of this preparation method has excellent electronic conductivity and ionic conductivity, which internal resistance of the battery can be greatly reduced and the power and magnification performance of high voltage solid density cell will be improved. Further, fluorocarbon surfactant effectively reduces the surface tension of the positive paste, improves the effect that the positive slurry is wetted, flat and coated on the surface of the positive collector and enhances the absorption and preservation of electrolyte to positive plate. The use of porous carbon conductive agent and fluorocarbon surfactant can obviously improve the conductivity of the positive electrode of high voltage solid density, and obtain a high-performance energy density battery.

The invention relates to a multifunctional density testing device. The multifunctional density testing device comprises a balance, wherein the balance is connected with a weight scale through a sensor; a through hole is formed in the middle of the weight scale and is clamped with a connecting rod; the lower end of the connecting rod is connected with a weighing basket through a hook; the weighingbasket is immersed in a container holding a solution; the balance corresponding to the container is provided with a groove. The multifunctional density testing device disclosed by the invention can beused for measuring solid density, stacking density and liquid density and has wide application range and greater practical value.

The invention relates to a solid density measurement platform based on a spring balance. The solid density measurement platform can accurately measure the density of a solid by using Archimedes principle, and comprises a base, a liquid container, a solid fixing device, a spring scale, a spring scale fixing device and a bracket rod, wherein the liquid container is installed below the spring balanceand can move up and down along the bracket rod, the solid fixing device is a ball capable of being opened and closed and used for holding a to-be-measured solid, the spring balance and the spring balance fixing device are movably connected so as to replace spring balances with different measurement ranges, and the spring balance fixing device can move up and down along the bracket rod. The measurement method is simple, and comprises: 1, placing a measured solid in the solid fixing device, and measuring the mass M1 of the solid in the air; and 2, placing the measured solid in the liquid container filled with a liquid with a known density ([rho]2), measuring the mass M2 of the solid in the liquid, and obtaining the density of the solid through the Archimedes principle.