6results about How to "Low benefit" patented technology

The application discloses a method and system for comprehensively utilizing high-magnesium nickel sulfide ore by a low-temperature oxygen-rich method. The method comprises the following steps: obtaining pre-leaching residue by pre-leaching and magnesium removal with high-magnesium nickel sulfide ore as raw material; obtaining activated ore slurry by mechanically activating the pre-leaching residue; and obtaining a nickel-containing leaching solution by low-temperature oxygen-rich leaching of the activated ore slurry. The application has wide application range, is simple and reliable, easy to control, and low in investment cost, and can convert metals into corresponding products, so that high-magnesium nickel sulfide concentrate can be treated at low cost and high efficiency.

The utility model belongs to the technical field of agricultural frost prevention, and particularly relates to an intelligent spraying device for preventing fruit trees from freezing flowers, which comprises a deep-well pump, a booster pump, a pipeline, a spraying system, a meteorological data acquisition system, a control system and an erecting device. According to the system, stable heat energy of underground water is utilized, the underground water with the temperature ranging from 12 DEG C to 15 DEG C is pumped through a deep well pump, the temperature around fruit trees is directly increased through the stable heat energy of the underground water, natural heat energy of the underground water is directly utilized, energy consumption and operation cost are remarkably reduced, and a high-precision temperature sensor, a humidity sensor and an intelligent control system are integrated; the temperature and humidity of the orchard can be monitored in real time, and spraying time and water spraying amount can be automatically adjusted according to meteorological data. The automatic control mode not only improves timeliness and accuracy of anti-frost measures, but also reduces manual intervention, reduces labor intensity and management cost, and realizes accurate temperature control and uniform coverage of fruit tree crowns.

The invention discloses an aldoxime dehydratase mutant and application of the aldoxime dehydratase mutant in catalytic synthesis of a dinitrile compound, which is characterized in that wild aldoxime dehydratase of SEQ ID NO: 2 is subjected to M29A and L318F double mutation and marked as TU-1. The mutant can efficiently catalyze oxidation of 5-hydroxymethylfurfural (HMF) to generate 2, 5-furandicarboxaldehyde (DFF), the DFF is further converted into 2, 5-furandicarboxaldehyde dioxime (DFFD) and a final target product 2, 5-dicyanofuran (DCF) under mild conditions, the reaction selectivity is high, and the yield is excellent. The invention provides a green and controllable technical scheme with remarkable industrial potential for preparing high value-added furan chemicals from renewable resources.

The utility model provides a charging barrel capable of preventing silicon material pollution and monocrystalline silicon production equipment, the charging barrel comprises a barrel cover, a barrel body and a sheath which are detachably connected, the barrel body is arranged in a through manner and comprises a first end and a second end which are oppositely arranged, one end connected with the barrel cover is defined as the first end, and the other end is defined as the second end; the sheath detachably sleeves the first end of the cylinder body and is used for abutting against the cylinder cover; and due to the arrangement of the sheath, collision friction is greatly reduced, and a quartz fragment generation source is fundamentally eliminated. The sheath can effectively absorb collision energy and block external pollutants, and the oxygen content index of the silicon material is remarkably reduced. As the sheath is detachably connected to the first end of the cylinder body, even if the sheath is damaged, the sheath can be conveniently replaced, the maintenance period is prolonged, and the maintenance cost is reduced.

The invention belongs to the technical field of reservoir scheduling, and particularly discloses a reinforcement learning-based water storage scheduling rule extraction method, which comprises the following steps of: (1) establishing an advanced water storage optimal scheduling model taking the maximum total generating capacity in a scheduling period and the minimum flood control risk rate as targets; (2) taking the storage flow of many years as input, interacting with a water storage scheduling environment, and training an intelligent agent based on a reinforcement learning algorithm to extract a water storage scheduling rule; and (3) performing simulation scheduling according to the obtained scheduling rule. According to the method, a set of scientific and feasible water storage optimization scheduling rules are extracted by constructing the water storage optimization scheduling model in advance and using the reinforcement learning algorithm for training, the overall benefits of the water storage period and the high-water-level operation period are comprehensively considered, and a reservoir manager is effectively helped to make scheduling decisions meeting the requirements of all parties under different water inflow conditions.

The invention provides a carbon dioxide capture-desorption-conversion integrated device and method, and relates to the field of carbon dioxide desorption, the device comprises a base, a shell is arranged above the base, a transmission unit is arranged below the base, and an adsorption material is arranged in the shell; pipelines are arranged on the two sides of the shell; a fixing unit is arranged on the adsorption material, and the transmission unit is connected with the fixing unit. According to the carbon dioxide capture-desorption-conversion integrated device and method, an economical and feasible carbon neutralization solution is provided for small scenes such as families, the technical blank is made up, energy conservation and emission reduction are facilitated, efficiency and economical efficiency are improved, and important practical value is provided for achieving the global carbon neutralization target.