45results about How to "Guaranteed wetting" patented technology

The invention belongs to the field of dust suppressant, and in particular relates to a novel environment-friendly road surface dust suppressant of which the raw materials consist of 4-6 parts of base oil, 93.5-95.5 parts of water and 0.1-1.0 part of surfactant by weight. The raw materials of the dust suppressant have the organic cooperation and synergistic effect, so that a road surface is kept wet and dust can be adhered, the effective dust suppression time is long, that is, more than 15 days, and the dust suppression efficiency is more than 80%; along with the increase of the times that the dust suppressant is sprayed on the road surface, the dust and grits thrown from vehicles on the road surface can be adhered together to be formed into stable soil, and a layer of oil film is formed on the road surface, so that the function or maintaining and protecting a road is achieved; the application range is wide, that is, except for being used for suppressing dust on roads of strip mines, the dust suppressant can also be widely applied to dust suppression in fields such as urban road construction, refuse dump, tailings warehouses, bulk material fields and the like; and the raw materials are wide in resource, the price is low, the preparation method is simple, convenient and easy to carry out, and therefore, the dust suppressant is applicable to large-scale popularization and application.

The invention discloses a high-temperature bluing method of a long and large part, which comprises: placing a support on the bottom of a bluing tank, determining a preset bluing temperature and preset bluing time, preparing bluing solution, aging the bluing solution, preheating the washed long and large part, placing the preheated part on the support for bluing, setting the temperature of the bluing solution when the part enters the tank at the highest value of the preset bluing temperature, taking the part out of the tank slowly after the bluing is finished, washing the surface of the part with at least three water heads at the same time, transferring the part to a clear water tank after the part is taken out of the tank completely, washing off the alkaline bluing solution on the surface of the part completely, placing the long and large part washed completely by clear water on a wooden sleeper with a wrapping cloth pad, checking the long and large part, and applying oil onto the long and large part is the long and large part is qualified. The method has the advantages that: the structure is simple; the operation is simple and the washing effect is good; and a high-quality blued film can be formed on the long and large part conveniently, and the blued film is more compact, firmer and more alkaline corrosion resistant.

The present invention discloses a recording apparatus and a recording method. First humidified gas is supplied from a first supply port to a sheet to be conveyed, thereby increasing the moisture content of the sheet. Simultaneously, second humidified gas is supplied to a space where nozzles of the inkjet recording head are exposed, from a second supply port provided at a position closer to the inkjet recording head than the first supply port, thereby increasing the atmosphere humidity of the space. The part of the sheet of which the moisture content has been increased is made to enter the space where the atmosphere humidity has been increased, and recording is performed by the inkjet recording head.

The invention provides an indoor unit with a self-cleaning function and an air conditioning system. The indoor unit comprises an indoor heat exchanger, a water storage mechanism, a liquid storage mechanism, a spraying structure and a heating mechanism. The water storage mechanism and the liquid storage mechanism both communicate with an inlet of the spraying structure, and a spray port of the spraying structure points to the indoor heat exchanger. According to the indoor unit with the self-cleaning function and the air conditioning system, the indoor unit is controlled to perform different cleaning modes by detecting the turbidity of condensate water and / or the oil contamination content, the heating mechanism and a temperature-sensing mechanism are used for controlling the cleaning water temperature of the indoor heat exchanger, and the cleaning effect of a detergent is increased; and a water collecting tank and water sprinkling holes can ensure the wetting and cleaning effect of the water storage mechanism and the liquid storage mechanism to the indoor heat exchanger, the problem that only water is used for cleaning, the self-cleaning of an air conditioner in specific environmentssuch as a kitchen cannot be met in the prior art is solved, and the convenience and comfort of the use of consumers are improved.

The invention relates to a concrete maintenance material and a preparation method thereof. The maintenance material comprises gauze, polyacrylamide and liquid paraffin by the ratio of area to weight per square meter: (10g to 50g): (10g to 20g); the method comprises the following steps that: the gauze is wetted and unfolded, and then the powdery polyacrylamide is uniformly sprayed on the gauze; after the polyacrylamide is dissolved into the water in the gauze, the gauze is dried; and finally the liquid paraffin is uniformly applied on any one side of the front side and the back side of the gauze at random, and the required product is prepared. The invention has the advantages of simple manufacturing and convenient use, can be adhered on a concrete template with water, effectively improve the water retention on the surface of the concrete, scatter early shrinkage stress, and prevent microcracks that large-volume concrete is easy to have in the early period.

The invention discloses a camellia oleifera grafting propagation method. The method includes steps: S1, scion selection, to be specific, taking semi-lignified spring shoots, growing in the current year, of valuable and rare or good-variety camellia oleifera trees as scions; S2, scion treatment, to be specific, soaking cut faces of the scions in a growth synergist at 15-25 DEG C for 0.5-1h, whereinthe growth synergist comprises 5-20Mug / L plant antibacterial peptides aqueous solution, 40-80mg / L lysozyme aqueous solution, 5-10mg / L 2-dodecylene diacid aqueous solution, 20-30mg / L compound sodium nitrophenolate aqueous solution and 100-150mg / L abelmoschus manihot extract aqueous solution; S3, rootstock selection and treatment; S4, grafting; S5, after-grafting management. By adoption of common camellia oleifera as rootstocks for grafting of valuable and rare or good-variety camellia oleifera, the population quantity of endangered valuable and rare camellia oleifera can be remarkably increased by means of vegetative propagation to guarantee normal annual rate of increase, and a rich camellia oleifera gene resource library can be established, such as camellia luteoflora which is a new species of camellia oleifera; high-yield, stable-yield, high-oil-yield and high-oil-quality camellia oleifera fruits can be obtained, such as Ganshi 84-8.

The invention discloses a burst tipping paper with laser effect and a preparation method thereof. The tipping paper is composed of an anti-osmosis coating, a white raw paper layer for tipping, a composite layer, a laser transfer film layer, a transparent ink layer, a varnish layer and a gold-stamped layer from interior to exterior. According to the invention, the laser transfer film layer is usedas a printing surface; and the burst tipping paper is prepared through the procedures of high-precision overprinting of two-color transparent spot color ink, printing of high-gloss varnish, thermoprintign of lines, trademarks and burst patterns with alumite, laser drilling and the like. The tipping paper of the invention has a gorgeous beautiful rainbow-like dynamic laser metal effect with a bright color, brings in strong visual impact, and integrates anti-counterfeiting, environmental protection and decoration functions into one; and at the same time, the tipping paper is a thermosetting coating system composed of an external cross-linking agent, wax-free low-surface-energy substances and the like and effectively blocks the penetration of burst oil, namely, grease, and essence and flavormolecules, thereby achieving the purpose of preventing the penetration of burst oil and ensuring the wet firm adhesion of adhesives to the tipping paper in subsequent use.

The invention relates to a high-performance prefabricated part for a slag blocking wall of a main runner of a blast furnace, and a preparation method and a construction method thereof, belonging to the technical field of blast furnace ironmaking. The raw materials of the prefabricated part comprise fused white corundum, silicon carbide, titanium dioxide, manganese aluminate spinel, carbon-containing resin powder, metal silicon powder, borax, a wetting agent and phenolic resin; and semi-dry mechanical pressing forming is adopted for preparation of the prefabricated part. According to the invention, preparation is easy and convenient; and the prefabricated part has high breaking strength, compressive strength, scouring resistance and abrasion resistance, prolongs the service life of the slagblocking wall, and meets market requirements.

The invention discloses a nasal cavity wetting agent containing trehalose. The nasal cavity wetting agent is prepared by mixing 2-3 g of sodium hyaluronate, 0.2-0.5 g of the trehalose, 20-30 ml of glycerin, 0.01-0.02 g of allantoin, 0.1-0.2 g of SOD, 0.8-1 g of potassium sorbate, 1-1.5 g of royal jelly acid and 1 L of water. By serving as a man-made nasal cavity wetting agent, the nasal cavity wetting agent can keep the wetting function of the nasal cavity for a long time, prevent dust, tiny dust and bacterial microorganisms from invading the respiratory system, protect the nasal mucosae to the great extent, improve the condition that nasal mucus secretion is little and the nasal cavity is dry and effectively promote normal repair of the nasal mucosae.

The invention discloses a vacuum brazing method of a double-path rotating joint. The vacuum brazing method comprises the flowing steps of S1, processing of an upper cover plate; S2, processing of a middle cover plate; S3, processing of a lower cover plate; S4, pre-welding surface treating of the upper cover plate, the middle cover plate and the lower cover plate; S5, making of brazed filler metal by laser cutting, specifically, the thickness specification chosen for the brazed filler metal is 0.05 mm, and the overall dimension of the brazed filler metal is 2-3 mm bigger than a contact surface of an adjacent spare part; S6, pre-welding assembling; and S7, vacuum brazing, specifically, a half-finished double-path rotating joint is put into a vacuum aluminum brazing furnace, a work fixture is used for assembling the half-finished double-path rotating joint, a vacuum brazing temperature process curve is set, the vacuum aluminum brazing furnace is coarsely vacuumized and then highly vacuumized, the half-finished double-path rotating joint and the brazed filler metal are heated according to the set vacuum brazing temperature process curve, heat is preserved for 15-20 min under the temperature of 615 DEG C, and after heat preservation is completed, cooling along with the furnace is conducted, so that vacuum brazing is realized. The vacuum brazing method of the double-path rotating joint has the beneficial effects of simplifying production processes, enhancing production efficiency, reducing welding torsion, and enhancing size precision and corrosion performance.

The invention relates to the technical field of flour processing, in particular to dampening equipment capable of uniformly atomizing and spraying and used for flour processing. The dampening equipment comprises an unloading assembly, a screening assembly, a dampening assembly and a stirring assembly, wherein the unloading assembly is positioned above the screening assembly; the screening assemblycomprises an impurity box and a screen rack; the screen rack is positioned below an unloading hole of an unloading hopper; the screen rack is arranged at the upper end of the impurity box; the stirring assembly comprises a stirring tank which is positioned below one side of the screen rack; a stirrer is arranged inside the stirring tank; the dampening assembly comprises a water tank and a spray tube; and the spray tube is positioned above the stirring tank. The stirring assembly can be arranged for turning and stacking wheat grains, a stirring motor drives stirring blades to rotate in the stirring tank through a rotary shaft, the stirring blades shovel in the wheat grains on the bottom through a lower wing plate, and an upper wing plate guides the wheat grains to the upper layer of a wheat stack; and the wheat grains are continuously turned over and stacked, so that uniform dampening of the wheat grains is guaranteed, and flour yield of wheat is higher.

The invention relates to an inter-node external circulation low-pressure multi-stage absorption device and process for nitrogen oxide-containing waste gas. The device comprises a nitrogen oxide-containing waste gas inlet pipe, a compressor, a liquid storage tank, a nitrogen oxide-containing waste gas absorption column assembly, an absorption liquid feeding pipe and a silencing tower, wherein the nitrogen oxide-containing waste gas inlet pipe is connected with the compressor, one end of the compressor is connected with the nitrogen oxide-containing waste gas absorption column assembly, the other end of the compressor is connected with the liquid storage tank, and the nitrogen oxide-containing waste gas absorption column assembly is connected with the liquid storage tank; the top end of thenitrogen oxide-containing waste gas absorption column assembly is connected with the silencing tower, and the nitrogen oxide-containing waste gas absorption column assembly is connected with the absorption liquid feeding pipe. Low-pressure internode external circulation multistage countercurrent absorption of the nitrogen oxide-containing waste gas is carried out under the conditions of low pressure and normal temperature and the pressure is far lower than high pressure adopted in traditional nitrogen oxide-containing waste gas absorption, energy consumption is reduced, and reliability of thedevice is improved.

The invention discloses capsule oil seepage preventing coating for filler-capsule-type tipping paper and a preparation method of the capsule oil seepage preventing coating. The capsule oil seepage preventing coating is prepared from the following raw materials in parts by weight: 15-30 parts of waterborne polyurethane emulsion, 5-15 parts of styrene-acrylic emulsion, 1-10 parts of vinyl acetate-ethylene copolymer emulsion, 1-5 parts of a waterborne closed isocyanate cross-linking agent, 0.1-1.0 part of a wetting agent, 0.01-0.5 part of a defoamer, 35-80 parts of purified water and an appropriate quantity of PH regulators. The coating is a thermosetting coating system with the additionally added cross-linking agent and without low-surface-energy substances such as waxes, a coating with a three-dimensional reticular dense structure and high surface energy is formed under the heating condition, seepage of filler capsule oil, namely grease, and essence and fragrance molecules is effectively blocked, thus the purpose of preventing seepage of the capsule oil is realized, and meanwhile, it is also ensured that the tipping paper is wetted and firmly bonded by an adhesive in the subsequentusing process.

The invention relates to a resin binding product high temperature high temperature granulator and a high temperature granulation method, the method comprises the following steps: heating a rotating cylinder to the temperature of 40-120 DEG C, adding a granulation raw material in the rotating cylinder for mixing, wherein the rotating speed of the rotating cylinder is 5-30rpm, performing high speed intense agitation through a high speed stirring rotor (the speed is 1000-2000rpm) over the rotating cylinder for stirring for 10-60 minutes, finally discharging, and cooling to the room temperature to prepare the finished product mud material. The mud material has stable grain composition and low fine powder quantity, so that the product appears very excellent porosity, volume density and stable strength property, is directly and rapidly dried at anaphase of granulation, and the drying equipment is not required for being added. The technology appears flexible, and the land occupation is small. The technology is not influenced by harsh environment, and has little influence by change of environment, even has no influence by change of environment. According to the high temperature granulation technology, the production cost appears very excellent, compared with a traditional normal temperature granulation technology, the comprehensive cost can be saved by more than 50%.

The invention relates to a laundry-care appliance (100) comprising a detergent container (105) for receiving laundry fluid, a washing drum (107) for receiving laundry, a drum drive (111) for rotatingthe washing drum (107), wherein the detergent container (105) has an outlet opening (115) and an inlet opening (117), wherein the outlet opening (115) is fluidically connected to the inlet opening (117) via a line (119), wherein a detergent pump (121) for pumping washing fluid is arranged in the line (119), and a controller (123) for controlling the drum drive (111) and the detergent pump (121). The controller (123) is designed to activate the detergent pump (121) during a circulation pumping process, in order to pump washing fluid out of the detergent container (105), through the outlet opening (115) into the line (119), and to supply the discharged washing fluid back to the detergent container (105) via the line (119) and via the inlet opening (117). The controller (123) is designed to activate the drum drive (111) during the circulation pumping process, in order to rotate the washing drum (107) during a rotation time interval, and to bring the laundry in contact with the washing drum (107).

The invention relates to the field of hand-tearing cloth, and particularly discloses a preparation method of hand-tearing cloth and the hand-tearing cloth. The preparation method of the shredded fabric comprises the following steps: taking a brittle damage treating fluid containing weak acid and strong alkali salt and an acrylic polymer to act on the polyester fabric, and enabling the mass ratio of the weak acid and strong alkali salt to the acrylic polymer to be not higher than 6: 1; carrying out heat treatment on the polyester fabric in an environment at the temperature of 100 DEG C or above; and neutralizing and shaping to obtain the hand tearing cloth. The hand tearing cloth is obtained by adopting the method. The tearing strength in the warp direction and the tearing strength in the weft direction of the hand-tearing cloth are both in the range of 3.5-6 N, and the hand-tearing cloth has ideal hand-tearing performance. Through cooperation of the weak acid and strong alkali salt, the acrylic acid polymer and the high temperature, the tearing strength of the polyester fabric is reduced, and the polyester fabric has hand tearing performance and meets the specific use requirements of electronic adhesive tape cloth and trademark cloth; therefore, the use of dangerous articles such as acid liquor and alkali liquor is reduced, the safety of preparing the hand tearing cloth is improved, and the pollution to the environment is also reduced.

The invention discloses a high-titanium dry slag sand water permeable brick and a preparation method thereof, and relates to the technical field of building materials. The technical problem to be solved is to provide the water permeable brick taking high-titanium dry slag sand as a main raw material. According to the technical scheme, the high-titanium dry slag sand water permeable brick is prepared from the following components in parts by weight: 145 to 155 parts of water, 370 to 380 parts of cement and 1560 to 1580 parts of high-titanium dry slag sand. The preparation method of the high-titanium dry slag sand water permeable brick comprises the following steps: S1, material preparation: screening the high-titanium dry slag sand to obtain high-titanium dry slag sand of specific particlesize; S2, detection: detecting the quality of the high-titanium dry slag sand of specific particle size in order to ensure that the high-titanium dry slag sand is qualified; S3, weighing: weighing rawmaterials respectively; S4, mixing: uniformly stirring the high-titanium dry slag sand of specific particle size, water and cement to obtain a concrete mixture; S5, molding: preparing the concrete mixture into a water permeable brick; and S6, maintaining. According to the invention, the utilization way of high-titanium dry slag is extended.

The invention relates to a concrete maintenance material and a preparation method thereof. The maintenance material comprises gauze, polyacrylamide and liquid paraffin by the ratio of area to weight per square meter: (10g to 50g): (10g to 20g); the method comprises the following steps that: the gauze is wetted and unfolded, and then the powdery polyacrylamide is uniformly sprayed on the gauze; after the polyacrylamide is dissolved into the water in the gauze, the gauze is dried; and finally the liquid paraffin is uniformly applied on any one side of the front side and the back side of the gauze at random, and the required product is prepared. The invention has the advantages of simple manufacturing and convenient use, can be adhered on a concrete template with water, effectively improve the water retention on the surface of the concrete, scatter early shrinkage stress, and prevent microcracks that large-volume concrete is easy to have in the early period.

The invention relates to the technical field of fusion welding of dissimilar materials, in particular to a welding method for butt joint of T2 red copper and S32168 stainless steel pipes. The method comprises the following steps: (1) carrying out pretreatment; (2) carrying out flaring and butting to form a welding joint; (3) preheating the welding joint; and (4) uniformly heating the welding jointto a brazing temperature, and adding brazing filler metal containing Ag, Cu, Ni and Li until a brazing seam is filled to form a welding seam. The method has the advantages of being high in operationreliability and high in welding yield, and the purpose of high-quality and efficient connection between the T2 red copper pipe and the S32168 stainless steel pipe can be realized easily, convenientlyand rapidly.

The invention discloses a wearable intelligent urinalysis system and a urinalysis method. The system comprises a collecting layer and a test layer, wherein the test layer comprises a test layer body and a plurality of biomarker reaction modules embedded on the test layer body. The system is characterized by also comprising intelligent detection software used for qualitatively or quantificationallyanalyzing the reaction result of the biomarker reaction module; the collecting layer comprises a self locking module and a collecting passage communicating with the biomarker; the self locking modulecomprises a self locking switch and an expansion body; the collection passage is vertically arranged on the expansion body; the water absorption performance of the collection passage is greater thanthe water absorption performance of the expansion body; the test layer is made of hydrophobic materials. Under the condition of no excessive moisture, each biomarker reaction module is enabled to be completely moisturized through little urine; the reaction result accuracy is ensured; meanwhile, the qualitative or quantificational analysis can be performed on the reaction result through the intelligent detection software, so that the detection result is more precise.

The present invention provides a method for developing printing plates in a printing press having at least one printing unit includes loading an imaged, undeveloped printing plate with dampening solution before a start of printing for dampening in at least one printing unit of the printing press for an active duration corresponding at least to one and one half times a time duration or number of machine revolutions provided before a start of printing when an already developed printing plate is used in the same printing press. A printing press for carrying out the method is also provided.

The invention discloses a nutrient solution suitable for vegetable seedling culture in a plant factory and a seedling culture method, and relates to the technical field of vegetable in the plant factory, the nutrient solution is prepared by dissolving the following components in water according to the following concentration, uniformly mixing, and adjusting the conductivity value of the solution to 1.0-1.5 mS / cm; the nutrient solution is prepared from the following components in concentration: 136.603 to 218.565 g / T of calcium nitrate, 182.100 to 291.360 g / T of potassium nitrate, 5.775 to 9.240 g / T of EDTA (Ethylene Diamine Tetraacetic Acid) chelated iron, 27.225 to 43.560 g / T of monopotassium phosphate, 20.025 to 32.040 g / T of ammonium dihydrogen phosphate, 44.817 to 71.707 g / T of medicinal magnesium sulfate, 0.540 to 0.864 g / T of borax, 0.256 to 0.410 g / T of manganese sulfate, 0.120 to 0.192 g / T of zinc sulfate, 0.022 to 0.035 g / T of copper sulfate, 0.019 to 0.031 g / T of sodium molybdate and 150g / T of pure seaweed extract. Through cooperative use of the nutrient solution and the seedling cultivation method, the purposes of high cultivation germination rate, short seedling cultivation time and developed root systems are achieved.

The invention relates to a high-precision waveguide power divider and a processing method thereof. The high-precision waveguide power divider is formed by subjecting an upper chamber and a lower chamber to vacuum soldering; a solder pad is made by laser cutting; a power divider chamber formed includes a main chamber and an auxiliary chamber. The high-precision waveguide power divider is characterized in that a welding face of the upper chamber is provided with a groove, the lower chamber is correspondingly provided with a shoulder, the upper chamber and the lower chamber are positioned duringwelding through the combination of the groove and the shoulder, the main chamber and auxiliary chamber of the lower chamber are integrated separately to main flange half plate I and auxiliary flange half plate II; after the upper chamber and the lower chamber are welded together, the main flange half plate I and a main flange half plate II form a main flange plate; the auxiliary flange half plateI and an auxiliary flange half plate II form an auxiliary flange plate.

The invention discloses a nasal cavity wetting agent containing trehalose. The nasal cavity wetting agent is prepared by mixing 2-3 g of sodium hyaluronate, 0.2-0.5 g of the trehalose, 20-30 ml of glycerin, 0.01-0.02 g of allantoin, 0.1-0.2 g of SOD, 0.8-1 g of potassium sorbate, 1-1.5 g of royal jelly acid and 1 L of water. By serving as a man-made nasal cavity wetting agent, the nasal cavity wetting agent can keep the wetting function of the nasal cavity for a long time, prevent dust, tiny dust and bacterial microorganisms from invading the respiratory system, protect the nasal mucosae to the great extent, improve the condition that nasal mucus secretion is little and the nasal cavity is dry and effectively promote normal repair of the nasal mucosae.

The invention discloses an anti-seepage bead oil coating used for popping bead-type tipping paper and a preparation method thereof. The ratio of the raw materials used is calculated in parts by weight as follows: 15-30 parts of water-based polyurethane emulsion, 5 parts of styrene-acrylic emulsion -15 parts, 1-10 parts of vinyl acetate-ethylene copolymer emulsion, 1-5 parts of water-based blocked isocyanate crosslinking agent, 0.1-1.0 parts of wetting agent, 0.01-0.5 parts of defoamer, 35-80 parts of purified water, Appropriate amount of PH regulator. The coating of the present invention is a thermosetting coating system that does not contain low surface energy substances such as waxes and other external crosslinking agents. Under heating conditions, a coating with a three-dimensional network dense structure and high surface energy is formed, which effectively blocks the pearl oil. That is, the penetration of oil and flavor and fragrance molecules, so as to achieve the purpose of anti-seepage pearl oil, and also ensure the wetting and firm bonding of the adhesive to the tipping paper during subsequent use.

The present invention discloses a recording apparatus and a recording method. First humidified gas is supplied from a first supply port to a sheet to be conveyed, thereby increasing the moisture content of the sheet. Simultaneously, second humidified gas is supplied to a space where nozzles of the inkjet recording head are exposed, from a second supply port provided at a position closer to the inkjet recording head than the first supply port, thereby increasing the atmosphere humidity of the space. The part of the sheet of which the moisture content has been increased is made to enter the space where the atmosphere humidity has been increased, and recording is performed by the inkjet recording head.

The invention discloses a bead type tipping paper with laser effect and a preparation method thereof. The tipping paper is composed of an impermeable coating, a tipping white base paper layer, a composite layer, a laser transfer film layer, a transparent ink layer, a varnish layer and a bronzing layer in turn from the inside to the outside. It uses the laser transfer film layer as the printing surface, is prepared by high-precision overprinting of two-color transparent spot color ink, printing high-gloss varnish, hot stamping lines, trademarks and bead patterns with anodized aluminum, and finally laser drilling and other processes. to make. The tipping paper of the invention has a rainbow dynamic laser metal effect of noble beauty, bright color, strong visual impact, and integrates anti-counterfeiting, environmental protection and decoration. The thermosetting coating system can effectively block the penetration of bead oil, namely grease and flavor and fragrance molecules, so as to achieve the purpose of impermeable bead oil, and at the same time, it also ensures the wetting and firm bonding of the adhesive to the packaging paper in the subsequent use process.

The method involves loading a non-processed printing plate (10) on a printing unit (2) of a printing machine (1) before starting printing process, where the printing plate is exposed outside the printing machine. The non-processed printing plate is moistened by a moistening unit for exposure time that corresponds to one and half times time interval or number of machine revolutions that are provided by utilization of a pre-processed printing plate in the same printing machine before starting the printing process. An independent claim is also included for a printing machine.