34results about How to "Good surface color" patented technology

The invention relates to a preparation method of a soil conditioner, belonging to the technical field of fertilizer preparation. The soil conditioner is mainly prepared from the following raw materials in parts by weight: 50-70 parts of plant straw carbon, 20-35 parts of fowl/livestock dung, 10-15 parts of bone meal, 1-8 parts of potassium sulfate, 2-8 parts of wood vinegar liquid, 3-9 parts of plant growth regulator and 0.5-1 part of active agent. The preparation method comprises the following steps: preparing carbon powder, pretreating the fowl/livestock dung, preparing a mixture, assaying and detecting, granulating and packaging. The soil conditioner is prepared by mixing the crop straw/bamboo/wood/grass carbon, which is used as the main component, with certain amounts of trace elements, plant growth regulator and bamboo/wood/grass vinegar liquid; since the soil conditioner not only is rich in the three main nutrient elements (nitrogen, phosphorus and potassium) which are essential for crops, but also contains secondary and trace elements, such as calcium, magnesium, sulfur, iron, boron, molybdenum, copper, cobalt and the like, the nutrient proportion of the soil conditioner is reasonable; and when being used as a conditioner, the soil conditioner can increase the organic content of soil and provide more comprehensive nutrients for crops, so that the crops have the advantages of good growth vigor, plump grains and much higher yield.

An object of the present invention is to provide a particle-shaped water absorbing agent having a remarkably improved surface color and excellent water-absorbing properties (better water absorption capacity, and lower water soluble content and residual monomer content) at the same time. In order to attain the object, a particle-shaped water absorbing agent according to the present invention is a particle-shaped water absorbing agent whose main component is a polyacrylic acid and/or a salt thereof, the particle-shaped water absorbing agent having a surface color of Hunter b value in a range of −5 to 10, and having a cross-linking absorption property index (CPI) in a range of 1 to 100, the CPI defined by the following two equations:

GEX=(GVs+17)/Ln (water soluble content)  Equation 1;

CPI=(GEX/residual monomer content)×100  Equation 3

• • where GVs is gel volume in saline, Ln (water soluble content) is a logarithm natural of water soluble content.

The invention provides a copper target material surface processing method. The method includes the steps that a copper target material is provided and comprises a copper target material mirror surface; the copper target material mirror surface is machined; polishing processing is carried out on the machined copper target material mirror surface and includes two times of polishing processes. At least two times of polishing processes are adopted after machining, surface processing is carried out on the copper target material mirror surface, and scratches formed on the surface of the copper target material mirror surface by machining and an oxidation layer formed on the copper target material mirror surface by machining remaining liquid are removed by the polishing processes, so that surface glossiness and roughness of the copper target material mirror surface are higher, and the repair rate and rejection rate of the copper target material are reduced.

The invention relates to a feed additive of aquaculture industry, in particular to a meat quality flavor modifying agent for grass carp or carp and a preparation method thereof. Each kilogram of modifying agent comprises the following components: 30 to 50g of seaweed extract, 10 to 20g of combination of inosinic acid and guanylic acid, 20 to 30g of carnitine, 15 to 30g of glycin, 10 to 20g of alanine and the balance of zeolite powder. The preparation method comprises the following steps: firstly, crushing solid materials in the seaweed extract, the combination of inosinic acid and guanylic acid, the carnitine, the glycin, the alanine and the zeolite powder materials and sieving the crushed solid materials through a sieve with 80 to 100 meshes for later use; and secondly, mixing and stirring the crushed solid materials in the proportion to ensure that the coefficient of variation CV of the uniformity is less than 5 percent to obtain the product. The modifying agent can effectively improve protein content, content of total amino acids, content of essential amino acids and content of delicious amino acid in muscles of the grass carp and the carp.

The invention relates to the technical field of stainless steel sintering, in particular to a sintering process capable of reducing surface discoloration of a metal injection molding product. The sintering process comprises the following steps: S1, fully blending and mixing raw materials; S2, extruding, pelletizing and cooling a blocky mixture prepared by mixing in the S1, so as to prepare 316L feeding particles; S3, preparing the feeding particles prepared in the S2 into a sample blank through an injection molding process; S4, performing nitric acid catalytic degreasing treatment on the sample blank prepared in S3; S5, subjecting the degreased sample blank in the step S4 to heating and heat preservation treatment; and S6, carrying out vacuum sintering treatment on the sample blank subjected to heat preservation in S5, then carrying out partial pressure cleaning treatment, then carrying out partial pressure sintering treatment, finally cooling to room temperature, and finally completing product sintering. According to the process, the fluidity of powder can be enhanced, so that the powder can be mixed more uniformly; and in the sintering negative pressure degreasing stage, a binder can be effectively removed by adopting the heating rate of 1 DEG C/min.

The invention relates to the technical field of food processing, and discloses a steam-powered steamed bread machine which comprises a machine body and an upper cover covering the machine body, an outer cylinder, a steamed bread cylinder and a steam generator are arranged inside the machine body, the steamed bread cylinder is arranged inside the outer cylinder, the upper cover is sealed with the top of the outer cylinder, a gap is formed between the inner side wall of the outer cylinder and the outer side wall of the steamed bread cylinder, and the steam generator is arranged on the periphery of the outer cylinder and is connected with the lower portion of the outer cylinder through a steam connecting pipe. The invention further discloses a steamed bread making method based on the steam-powered steamed bread machine. According to the steam-powered steamed bread machine and the steamed bread making method, the steam generator for generating steam and the steamed bread cylinder for containing steamed breads are arranged in different containers, so that the liquid water and the gaseous steam can be separated effectively, the steam enters the steamed bread cylinder through the lower portion of the gap between the outer cylinder and the steamed bread cylinder, the inner area and the outer area of the steamed bread cylinder are filled with the steam, the steam temperature difference in the steamed bread steaming space can be eliminated effectively, and the surface color and luster of the steamed bread are improved; meanwhile, too much condensate water generated in the steamed bread steaming space can be avoided.

A prepreg preparation device and a prepreg preparation method using the same are disclosed. According to an embodiment of the present invention, the prepreg preparation device comprises: a flow path-type impregnation part for impregnating, with a resin, a reinforced fiber transferred along a flow path; and a box-type impregnation part for impregnating, with the resin, the reinforced fiber transferred through a box-type space by passing through the flow path-type impregnation part.

The invention discloses cranberry instant powder and a preparation method thereof. The instant powder is prepared by a single component or a compound of one or more of cranberry whole fruit extract powder, a roselle extract, opuntia ficus-indica powder, roxburgh rose powder, roselle powder, elderberry concentrated juice powder, white grape juice powder and red beet juice powder, and one or more ofan appropriate amount of sorbitol, mannitol, maltitol, lactitol, isomalt, erythritol and xylitol which serve as auxiliary materials. The instant powder is prepared by the steps of sieving, weighing,mixing, soft material making, granulating, drying, pelleting, complete mixing, filling, quality inspection, packaging and warehousing, equipment with high promotion function of mixing and drying the materials is used in the preparation process, the quality of the cranberry instant powder is improved, and the preparation time is shortened.

The invention relates to the technical field of food processing, and discloses a steamed bun making method. The steamed bun making method comprises the following steps: adding raw materials which are required for making steamed buns into a steamed bun barrel, adding water into an outer barrel, switching on a heating device for preheating the steamed bun barrel, mixing the materials at different stirring speeds to form dough, and fermenting the dough; making steamed bun blanks of required specifications from the fermented dough, taking out the steamed bun barrel from a steamed bun making machine, putting a steaming sheet into the outer barrel, and placing the prepared steamed bun blanks on the steaming sheet; and covering the outer barrel with an upper cover, and heating water in the outer barrel by the heating device to generate steam until the steamed buns are cooked. The invention also provides the steamed bun making machine for the steamed bun making method. In the material mixing and fermenting processes, the step of preheating is added, and furthermore, the materials are mixed at different stirring speeds, so that the steamed bun making machine has a full-automatic function, manual dough kneading is really simulated, uniform kneading and complete fermentation of the dough are guaranteed, and the surface color and the taste of the steamed buns are improved.

The invention relates to non-sulfur anti-browning sweet potato slices and a processing method thereof. The method comprises the steps of peeling, slice cutting, rinsing, non-sulfur anti-browning, steam pre-cooking, solar-assisted heat pump combined drying, cooling, seasoning and packing. According to the making method, by means of a non-sulfur anti-browning agent, the surface color of dried sweet potatoes can be good, and the effect of inhibiting enzymatic and non-enzymatic browning can be achieved; meanwhile, a solar-assisted heat pump combined drying technology is utilized for producing the dried sweet potatoes, the flavor, color and relevant quality of dried products can be maintained to the maximum extent, the made dried sweet potatoes are bright in color and attractive in appearance, the nutritional ingredient are well maintained, and enhancement of the market competitiveness of dried sweet potato products is promoted.

The invention discloses a rose gold aluminum product mold designing extrusion surface treatment integrated forming process. The rose gold aluminum product mold designing extrusion surface treatment integrated forming process comprises the following production steps of first, carrying out designing, machining and production of a mold according to the shape of an aluminum product needing to be produced; second, a mold is placed into an extrusion forming device, aluminum product raw materials are fed into a smelting furnace to be melted into molten materials, the molten materials are fed into theextrusion forming device to be formed in the mold through the extrusion forming device, and a formed aluminum product workpiece blank is obtained; third, polishing treatment is carried out on the surface of the aluminum product workpiece blank, polishing is carried out on burrs and a gate on the surface of the blank, and then gloss finish treatment is carried out on the surface of the blank; andfourth, the aluminum product workpiece blank is soaked in a sulfuric acid solution, oil removal treatment is carried out with the sulfuric acid solution, and the aluminum product workpiece blank is spooned out after being soaked for some time, and then is cleaned up.

The invention relates to sulfur-free color-protected potato strips and a processing method thereof. The processing method comprises the following steps; removing peel; cutting potatoes into strips; rinsing the potato strips; performing sulfur-free color protection; performing steam pre-cooking; performing joint drying through a solar-assisted heat pump; cooling the dried potato strips; flavoring the cooled potato strips; and packaging the flavored potato strips. According to the processing method, a sulfur-free color protecting agent is adopted, so that the surfaces of dried potatoes have good color, and the effects of inhibiting enzymatic promotion and non-enzymatic browning can be achieved; besides, a joint drying technology of the solar-assisted heat pump is adopted to produce dried potatoes, so that the flavor, the color and relevant quality of the dried potatoes can be furthest maintained, the produced dried potato products are bright in color, beautiful in appearance, and good in reservation of nutritional ingredients; therefore, the enhancement of the market competitiveness of the dried potato products is facilitated.

The invention provides a process for manufacturing sulfur-free dried sweet potatoes. The process comprises the following steps: 1, peeling, slicing and soaking; 2, blanching; 3, candying; 4, candy soaking; 5, baking; 6, mixing and air-drying; and 7, re-baking. The dried sweet potatoes are taken out to obtain a finished product after the step of re-baking. The process enables the surface of the dried sweet potatoes to have a good color, can achieve a sulfur-free effect, and can furthest maintain the flavor, color and related quality of dried products; and the dried sweet potato product has bright color and attractive appearance, and the nutritional ingredient can be well maintained.

The invention provides olive salting liquid and a method for preventing production of olive precipitate. The olive salting liquid is prepared from the following raw materials in parts by weight: 100 parts of water, 12 to 16 parts of sodium chloride, 0.6 to 1.2 parts of sodium metabisulfite, and 0.2 to 0.6 part of citric acid. The method for preventing the production of the olive precipitate comprises the following steps of 1, beating and flattening the olives after the epicutile wax layer is removed; 2, boiling the beat and flattened olives in water for 5 to 10min at the temperature of 80 to 100 DEG C; 3, soaking the boiled olives into the olive salting liquid. The method for preventing the production of the olive precipitate has the advantages that by performing beating and flattening, boiling, and controlling of component of olive salting liquid, the production of the olive precipitate is effectively prevented; the method is simple, the condition is controllable, the operability is strong, the salting time and the preserved olive processing cycle are greatly shortened, and the production cost is reduced.

The invention provides an electric vehicle body varnish baking process. A varnish baking resin formula proportion is optimized, meanwhile, a lubricating agent is added for use, convenience is providedfor subsequent varnish mixing, and varnish viscosity can be more easily adjusted.