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111results about How to "Not easy to oxidize and deteriorate" patented technology

Process for preparing canned sweet potato

The invention discloses a process for preparing a canned sweet potato, and relates to the technical field of can processing. The process sequentially comprises the following steps: peeling; chopping; rinsing; blanching; tinning; injecting a cooking liquor; sealing in vacuum; sterilizing; and cooling. The process is characterized in that the blanching comprises the following sub-steps: putting chopped sweet potatoes into a mixed solution containing 0.1%-0.2% of calcium chloride and 6%-8% of sulphurous acid, soaking for 8-10 minutes, and cleaning and rinsing with clean water, wherein the temperature of water for blanching is set to be 70-90 DEG C and the lasting time is 8-10 minutes; the step of injecting the cooking liquor comprises the following sub-steps: heating the cooking liquor containing 0.6% of table salt, 1% of white sugar, 0.2% of vitamin C and 0.03-0.04% of citric acid until boiling, cooling the cooking liquor to 80-90 DEG C, and then injecting the cooled cooking liquor into a tank, wherein the weight of the cooking liquor is not less than 50% of that in the tank. The process is convenient to operate; processed bamboo shoots are good in mouthfeel, good in taste, convenient to process and store for a long period of time, not easy in changing of color or going bad, and good in quality.
Owner:GUANGDE XIANGYANG ECOLOGY FOOD

Aluminum nitride-silicon carbide nanoparticles transformer oil with strong thermal stability and preparation method thereof

The invention discloses aluminum nitride-silicon carbide nanoparticles transformer oil with strong thermal stability and a preparation method thereof. The transformer oil is characterized by comprising the following raw materials in parts by weight: 1000-1200 parts of naphthenic base oil, 2-3 parts of aluminum nitride, 0.2-0.5 part of magnesium acetate, 0.3-0.5 part of calcium stearate, 0.2-0.5 part of aluminum isopropoxide, 0.2-0.4 part of silver nitrate, 0.2-0.4 part of sodium benzoate, 2-3 parts of silicon carbide, 0.3-0.5 part of petroleum barium sulfonate and 0.3-0.7 part of additives. According to the invention, absolute ethyl alcohol is used in ball milling of inorganic powder to obtain nanoparticles, the used equipment is simple and the operation is easy; the added aluminum nitride nanoparticles have the characteristics of good dielectric properties, high stability, good thermal conductivity and small thermal expansion coefficient, the added silicon carbide nanoparticles have high temperature resistance, abrasion resistance and high thermal conductivity and can be contributed to the insulation and moisture resistance, arc extinction performance, heat dissipation property and thermal stability to a great extent when the silicon carbide nanoparticles are applied in transformer oil; and by adding other ingredients, transformer oil is prevented from easily oxidizing and deteriorating, is clean and free of impurities and has the advantages of enhanced dehydration and stability and prolonged service life.
Owner:TONGLING SANJIA TRANSFORMER
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