5results about How to "Sufficient source" patented technology

The utility model provides multifunctional integrated rice drying equipment, and relates to the technical field of rice drying, the multifunctional integrated rice drying equipment comprises a bottom plate, and a conveying mechanism is arranged above the bottom plate; the conveying mechanism comprises a drying box, the bottom face of the drying box is fixedly connected with the upper surface of the bottom plate, two inclined plates are arranged in the drying box, two side plates are fixedly connected to the upper surface of each inclined plate, seven protruding columns are arranged on the upper surface of each inclined plate, and flow guide blocks are fixedly connected to the side faces, close to each other, of each set of side plates. According to the multifunctional integrated rice drying equipment, structures such as the inclined plates, the side plates, the convex columns and the flow guide blocks are arranged, so that rice can be promoted to continuously roll and move in the drying process, the position and state of the rice in the drying box are changed, and the problem that the bottom of the rice in existing equipment is difficult to fully contact with heat due to contact with conveying equipment is effectively solved; and the rice drying and heating uniformity is greatly improved, and the vibration motor can enable the inclined plate to vibrate.

The application discloses a medicine composition for delaying aging and resisting oxidation, and belongs to the technical field of biological medicine and health food. The composition comprises vitamin A, beta-carotene, compound vitamin B, vitamin C, vitamin D, vitamin E, vitamin K, and macroelements calcium, phosphorus, potassium, magnesium and trace elements zinc, selenium, iron, chromium, copper, molybdenum, iodine, fluorine and manganese, traditional Chinese medicines ginseng, astragalus root, medlar, prepared rehmannia root, ganoderma lucidum, conditional essential nutrients nucleic acid, and bioactive ingredients grape seed extract, lycopene, tea polyphenol, taurine, lutein, lutein fat, corn xanthophyll and chlorophyll; the composition is mainly suitable for middle-aged and old people; the composition can eliminate various factors causing aging from multiple systems, multiple links and multiple targets, can significantly delay aging, has the health care and tonifying effects of resisting oxidation and the like, can improve the life quality of the middle-aged and old people while delaying aging, and has no compatibility contraindication and will not produce any toxic and side effects after long-term use.

This invention provides a solid waste-based downhole backfill material and its preparation method. The preparation method includes: A) pre-treating CFB fly ash by removing impurities and screening to obtain pre-treated CFB fly ash A; B) activating gasification slag to obtain activated gasification slag; then decarbonizing the activated gasification slag to obtain activated gasification slag powder B; C) mixing the pre-treated CFB fly ash A obtained in step A), the activated gasification slag powder B obtained in step B), a composite activator, a composite water-reducing agent, and a composite thickener to obtain activated cementitious powder C; D) mixing coarse and fine gasification slag to obtain mixed gasification slag aggregate D; E) mixing the activated cementitious powder C, the mixed gasification slag aggregate D, and water to obtain the solid waste-based downhole backfill material; wherein steps A) and B) are not in any particular order, and steps C) and D) are not in any particular order. This invention enables waste utilization and meets the performance requirements of downhole backfill materials.

This invention relates to a method for detecting zopiclone impurities, the method comprising the following steps: Step A: preparation of diluent; Step B: preparation of test solution: take zopiclone, add diluent, and dilute to prepare a test solution; Step C: preparation of reference solution: take impurity 6-(5-chloro-2-pyridinyl)-7-ethoxy-5,6-dihydropyrrolo[3,4-b]pyrazin-5-one reference standard and zopiclone reference standard, add diluent, sonicate to dissolve, and prepare a reference solution; Step D: determination method: take the test solution and reference solution respectively, inject them into a high-performance liquid chromatograph, record the chromatogram, and calculate the impurity content; wherein, the chromatographic conditions are: using octadecylsilane-bonded silica gel as the packing material; using acetonitrile-buffered saline solution as the mobile phase; flow rate of 0.5 mL to 2.5 mL per minute; detection wavelength of 280 nm to 320 nm; column temperature of 25 °C to 35 °C; sample chamber temperature of 0 °C to 15 °C; injection volume of 10 to 30 μl.

The invention provides high-temperature resin precoated sand for sand prevention of a heavy oil thermal production well as well as a preparation method and application of the high-temperature resin precoated sand. The high-temperature resin precoated sand for sand prevention of the heavy oil thermal production well is prepared from the following components in parts by mass: 4.2 to 5.6 parts of modified phenolic resin, 1.2 to 1.6 parts of organic silicon resin, 0.6 to 0.8 part of polyimide resin, 0.1 to 0.2 part of a reinforcing agent, 0.2 to 0.3 part of a toughening agent, 0.03 to 0.05 part of a silane coupling agent, 0.15 to 0.25 part of a catalyst and 100 parts of quartz sand. The high-temperature resin precoated sand for sand prevention of the heavy oil thermal production well can be consolidated at medium and low temperature reservoir temperatures, and the consolidated high-temperature resin precoated sand is high in compressive strength, good in permeability and excellent in sand blocking performance. The thermal decomposition temperature of the resin film of the precoated sand exceeds 390 DEG C, the precoated sand still has high strength and good thermal stability after being aged at the temperature of 300 DEG C, the sand prevention validity period can be prolonged, and the precoated sand is suitable for sand prevention of a heavy oil thermal production well.