82results about How to "Slow down the rate of deterioration" patented technology

According to a compressor and a refrigeration cycle device using same of the present invention, a refrigerant and refrigeration oil 103 are sealed in an container 101, the refrigerant is a hydrofluoroolefin having double bond of carbon in its composition or a mixture of hydrofluoroolefin as a base component and hydrofluorocarbon having no double bond, and at least one of benzotriazole, dialkyl dithiophosphoric acid zinc, dialkyl selenium, metal phenate, and organic nitrogen compound is included in the refrigeration oil 103, and it is an object to suppress the decomposition and polymerization of refrigeration oil and a refrigerant, and to secure reliability of the compressor and the refrigeration cycle device.

Transformer oil comprises paraffin base oil fraction, naphthenic base oil, alkyl high boiling substances, antioxidant and photosensitivity resistant agents. In the transformer oil, the weight percentage of the paraffin base oil fraction ranges from 60% to 75%, the weight percentage of the naphthenic base oil ranges from 19.4% to 28.5%, the weight percentage of the alkyl high boiling substances ranges from 5% to 10%, the weight percentage of the antioxidant ranges from 0.5% to 1.0%, and the weight percentage of the photosensitivity resistant agents ranges from 0.1% to 0.5%. The invention further provides a preparation method for the transformer oil, and the preparation method includes adding the paraffin base oil fraction, the naphthenic base oil and the alkyl high boiling substances in a reaction kettle; adding clay in the mixture to refine; performing stirring, refining and adsorbing at high temperature; adding antioxygen additives and photosensitivity agents in the mixture after themixture is filtered; and performing vacuum treatment once to three times in a vacuum pump under negative pressure of 0.8KPa. The kinematic viscosity of the transformer oil is 6.5mm<2>/s-9.5mm<2>/s, and the breakdown voltage reaches 55-80KV/2.5mm.

The invention discloses a commodity quality detection system based on big data. The system comprises an airtight detection module, a temperature acquisition and analysis module, an illumination intensity statistics module, a humidity acquisition and pretreatment module, a commodity storage database, a modeling and analysis server and a display module, wherein the modeling and analysis server is connected with the airtight detection module, the temperature acquisition and analysis module, the illumination intensity statistics module, the humidity acquisition and pretreatment module, the commodity storage database and the display module; the commodity storage database is connected with the temperature acquisition and analysis module, the illumination intensity statistics module and the humidity acquisition and pretreatment module. According to thecommodity quality detection system, quality of each commodity in different storage environments is evaluated by detecting the temperature, humidity and illumination intensity in the commodity storage environments and combining the height of packaging bags, the commodity deterioration evaluation coefficient of each commodity type is analyzed,reference is provided for commodity storage, and accordingly, the deterioration speed of the commodities is reduced, and quality of thecommodities is improved.

The invention discloses a fresh commodity safety intelligent detection management system based on big data. The system comprises a commodity weight detection module, a package damage analysis module,an environmental parameter acquisition module, a parameter preprocessing module, an image acquisition and processing module, an image recognition and analysis module, a commodity parameter database, afreshness analysis module, a management server and a display terminal. According to the invention, a commodity comprehensive eating safety coefficient is evaluated by considering factors such as weight change, temperature change, humidity change, peculiar smell concentration, commodity color, volume and existence of scratches and mildew spots on the surface of the commodity, and analyzing a commodity package breakage coefficient, a temperature safety influence coefficient, a humidity safety influence coefficient, a peculiar smell influence coefficient and commodity freshness, reference is provided for later commodity storage, the commodity eating safety detection efficiency and accuracy are improved, a lot of manpower cost is reduced, and commodity safety is guaranteed.

The invention provides a fruit preservative, which comprises the following components by weight: 3-8 parts of phytic acid, 1-5 parts of citric acid, 2-6 parts of vitamin C, 1-5 parts of potassium myristate, 2-7 parts of lignin, 3-7 parts of glutamic acid, 0.4-1.5 parts of calcium silicate, 0.5-1.2 parts of chitin, and 10-30 parts of purified water. The fruit preservative provided by the invention forms a layer of film on the fruit surfaces, thereby enclosing the stomata on the fruit peel, inhibiting respiratory action, reducing fruit moisture loss, resisting intrusion of external pathogen, effectively delaying deterioration speed of pulp quality and local flavor, and prolonging a fruit storage period.

The invention provides a GOA circuit and a liquid crystal display device. The GOA circuit includes a plurality of GOA sub circuits in cascaded connection. Each GOA sub circuit includes a pull-up control unit, a pull-up unit, a download unit, a pull-down unit, a pull-down maintaining unit and a bootstrap unit. The pull-down unit includes a first thin film transistor, a second thin film transistor and a third thin film transistor. In each pull-down unit, serial connection of the first thin film transistor and the second thin film transistor is adopted for connection. In this way, leakage current at a Q point in the GOA circuit is reduced. Also, voltage across the first thin film transistor or the second thin film transistor is reduced due to the serial connection of the first thin film transistor and the second thin film transistor, so that the deterioration speed of the first thin film transistor or the second thin film transistor is slowed in some degree and the service life time of the first thin film transistor or the second thin film transistor is prolonged. Therefore, the stability of the GOA circuit in a severe environment is improved and the reliability of a liquid crystal panel is enhanced.

The cooling unit includes diversion module, and airflow generation unit. The diversion module possesses depressed part and vent holes. The depressed part is in use for holding cervical part of bowl. Being generated from the airflow generation unit, passing through vent holes, and gap between discharge lamp tube and cervical part, cooling airflow generates cooling effect on discharge zone, and cervical part of bowl. Finally, hot airflow is left through air gap between cervical part of bowl and front glass of lamp cover. Or, airflow generation unit sucks cooling airflow. Through air gap between bowl and front glass of lamp cover, cooling airflow generates cooling effect on discharge zone, and cervical part of bowl. Finally, passing through gap between tube and cervical part, hot airflow is left through the vent holes. Cooling airflow keeps bowl and discharge zone at optimal operation temperature so as to increase luminosity factor, and prolong service life.

The present invention discloses a preservative for fruits. The preservative comprises the following raw materials: water, citric acids, ferrous sulfate, phytic acid, vitamin C, potassium myristate, lignin, glutamic acid, calcium silicate, sepiolite, chitin, sodium carbonate, starch, activated carbon, silica gel, sucrose, sodium lactate, carboxymethyl chitosan, potassium chloride, tea polyphenols, honey, a traditional Chinese medicinal preservative extractant and a preservative slow release agent. The present invention also provides a preparation method of the preservative for the fruits. A prepared water-retaining agent for the fruits can form a layer of thin film on surfaces of the fruits, can realize micro-organism and oxidation preventing on surfaces of the fruits, can also seal pores of surface skins of the fruits, inhibits respiration of the fruits, reduces water content loss of the fruits, effectively delays quality of fruit fleshes and deterioration rates of flavors, and extends a storage period of the fruits.

The invention discloses a fruit preservative. The fruit preservative comprises the following raw materials in parts by weight: 10-20 parts of tea saponin, 5-10 parts of aloe powder, 3-5 parts of mugwort powder, 1-3 parts of mustard, 0.5-2 parts of shikimic acid, 0.5-3 parts of tea tree essential oil, 1-2 parts of lemon grass essential oil, 5-10 parts of lecithin, 3-5 parts of chitosan, 3-6 parts of lauryl alcohol polyethenoxy ether and 1-3 parts of coconut diethanol amide. The fruit preservative is prepared from multiple kinds of raw materials and surfactants with anticorrosion and sterilization functions, so the preservative forms a layer of film on the surfaces of fruits, the nutritional components of preserved oranges can be kept for a long time without loss, and the preservative has the advantages of anticorrosion, preservation, sterilization, water loss prevention, obvious preservation effects and the like and provides a better storage way for fruits.

The present invention relates to the technical field of fruit packaging and particularly discloses a non-refrigeration transportation, preservation and packaging method of dragon fruits. The method comprises the following steps: S1, washing: fresh dragon fruits are placed in pure water for ultrasonic washing; S2, soaking: the dragon fruits are soaked in a nutritional supplement preservative for 2-4 minutes, and then the dragon fruits after being soaked in the nutritional supplement preservative are taken out to be drained; S3, bagging: the drained dragon fruits are packaged into packaging bagsand an aqueous solution of the preservative and a bactericide is evenly sprayed on the dragon fruits; S4, aerating: mixed air is aerated in the packaging bags and the mixed air comprises the following components in concentrations: 3%-5% of carbon dioxide, 85%-90% of nitrogen and 5%-12% of oxygen; and S5, storing: a gamma-ray radiation treatment is used and the treated dragon fruits are then stored centrally in the packaging bags. The non-refrigeration transportation, preservation and packaging method can realize storage and transportation of the dragon fruits under normal temperature and effectively reduce transportation and preservation costs.

The invention relates to an offshore power grid power distribution terminal energy source monitoring device and a monitoring method. The offshore power grid power distribution terminal energy source monitoring device comprises a current transformer conditioning circuit; loop three-phase current and loop residual current at an offshore power grid power distribution terminal flow through the current transformer conditioning circuit to be processed and then are input into a metering and analyzing module; loop three-phase voltage of the offshore power grid power distribution terminal is processed through a voltage adjusting circuit and then is input into the metering and analyzing module; the metering and analyzing module calculates all electric quantity parameters of each phase and a combined phase according to a received current value and a received voltage value; the electric quantity parameters are read into a control module through an SPI (Serial Peripheral Interface); the control module is used for controlling all the received electric quantity parameters to realize monitoring of residual current of an offshore power grid power distribution terminal energy source and the temperature of a power distribution loop conductor, and tendency predication and analysis of the residual current. According to the monitoring method disclosed by the invention, the detection of the residual current and tendency thereof, and the temperature of the power distribution loop conductor can be realized. The offshore power grid power distribution terminal energy source monitoring device and the monitoring method disclosed by the invention are applicable to all the power grid power distribution terminals.

The invention discloses novel multi-layer energy-saving refrigerating agricultural product storage equipment. The equipment comprises a plurality of layers of storage boxes and a refrigerating device. The storage boxes are sequentially placed in the vertical direction. The refrigerating device is arranged at the top end of the storage box on the topmost layer. A ventilating device and a drying device are arranged between every two adjacent layers of storage boxes. Every two adjacent ventilating devices are distributed in a diagonal mode. Each drying device is arranged on the corresponding ventilating device. In this way, according to the novel multi-layer energy-saving refrigerating agricultural product storage equipment, the agricultural product storage ability is improved by means of the refrigerating method, the agricultural product deterioration speed is decreased, cold air is separated layer by layer through the multi-layer device, the refrigerating degree is sequentially decreased layer by layer, and the novel multi-layer energy-saving refrigerating agricultural product storage equipment is applicable to storing various agricultural products at the same time and novel in structure, saves energy, is efficient and has the wide market prospect in multi-layer energy-saving refrigerating agricultural product storage equipment popularization.

The invention relates to a method for changing mouthfeel of brown rice and belongs to the field of agricultural products deep processing. The method comprises the following steps: 1) removing impurities from indica non-glutinous rice and husking so as to obtain brown rice used as a standby processing raw material; 2) preparing a mixed solution of alpha-amylase and glucoamylase at the concentration of 40-50mg/mL to be used as an enzymolysis solution for later use; 3) carrying out low temperature atomization on the prepared mixed solution from the step 2) in a high-pressure environment, and uniformly spraying the mixed solution onto the brown rice; 4) sending the processed brown rice into a constant temperature incubator to react for 1-2h; and 5) carrying out microwave drying treatment after the reaction time such that moisture of the processed brown rice is less than 15%, and packaging to obtain the modified brown rice. By the above method, mouthfeel of the brown rice is more excellent, cooking time is shortened, a cooking technology is simplified, and mouthfeel of the modified brown rice is more acceptable for people.

The invention relates to a multipurpose functional liquid for a new energy electric vehicle and a preparation method and application thereof, and the multipurpose functional liquid comprises the following components in parts by weight: 0.5-3 parts of a viscosity index improver, 0.5-2 parts of a purification dispersant, 1-5 parts of an antioxidant, 0.05-2 parts of an anti-wear reagent at extreme pressure, 0.3-3 parts of a flame retardant, 0.05-0.5 part of a rubber antioxidant, 0.05-3 parts of a sealing compatibility improver and 0.05-0.5 part of a friction improver. The lubricating oil is prepared from the following components in parts by weight: 0.1-3 parts of an anti-corrosion and anti-rust rare metal protective agent, 0.01-0.1 part of an anti-foaming agent, 0.01-0.1 part of a demulsifying agent and 77.8-97.38 parts of base oil. The multifunctional liquid for the new energy electric vehicle has universality, safety, practicability, applicability and full service life, can meet the requirements of a battery, a motor, an electric control system and a gearbox transmission system of the new energy electric vehicle on oil liquid, and realizes integrated application of oil liquid of the whole pure electric vehicle.

The invention discloses a preservative for storing oranges. The preservative comprises the following raw materials in parts by weight: 10-20 parts of gastrodia tuber powder, 3-5 parts of radix arnebiae powder, 5-10 parts of aloe powder, 3-7 parts of garlic powder, 1-3 parts of sodium citrate, 1-3 parts of tea tree essential oil, 0.5-1.5 parts of litsea cubeba essential oil, 0.5-1.5 parts of cinnamon essential oil, 4-6 parts of cocamidopropyl betaine, 1-3 parts of butyl ricinoleate sodium sulfate and 5-10 parts of polyethylene glycol. The preservative for storing oranges is prepared from multiple kinds of raw materials and surfactants with anticorrosion and sterilization functions, so the preservative forms a layer of film on the surfaces of fruits, the nutritional components of the preserved oranges can be kept for a long time without loss, and the preservative has the advantages of anticorrosion, preservation, sterilization, water loss prevention, obvious preservation effects and thelike and provides a better storage way for oranges.

The invention belongs to the technical field of water treatment dosing, and particularly relates to a dosing method and device for slowing down drug failure. In the prior art, a medicament and a solution are generally diluted into a large tank for use; when part of liquid medicine is used due to the fact that the amount of the solution in the storage tank is large, the pesticide effect in the solution is reduced due to continuous reaction of the solution and the solvent; in order to solve the problems that more liquid medicine needs to be added to achieve a good water treatment effect, waste of the liquid medicine is caused and the cost of the process is increased, the method comprises a medicine dispensing step and a medicine adding step, and the liquid medicine is added into the water treatment tank in an extremely short time after being prepared. Aiming at the method, the invention also provides a dosing device for diluting the mother liquor at the tail end of the pipeline and a dosing device for regularly and quantitatively dissolving the solid medicament powder. According to the technical scheme, it can be guaranteed that the medicament effect is hardly affected by deterioration of the medicament, and therefore the use amount of the medicament can be reduced, and the process cost is reduced.

The present invention discloses a partial freezing and controlled atmosphere preservation method for mutton, and belongs to the technical field of fresh meat preservation. The method comprises the following steps: mutton ultraviolet radiating (the ultraviolet radiation is a short-wave ultraviolet radiation at 254 nm, an ambient temperature during the radiation is 6-8 DEG C, a time is 20-50 min, and a distance is 9-30 cm), cutting, vacuum pre-cooling (a pressure of the vacuum pre-cooling is 1-2 kPa, a time is 10-30 min and a center temperature of the mutton is lowered to be 0-4 DEG C), atmosphere controlling and packaging, partial freezing storing, warehouse discharging, and marketing. The method aims at the defects of traditional mutton preservation methods that the shelf life is short and the quality is poor during the storage periods, and conducts optimization and improvement of the sheep slaughtering method and preservation method. The method can very control the total number of microbial colonies of the mutton and delays the increase of pH and protein degradation, and the preservation period of the mutton can reach 30 days or more. The method is simple in steps, highly efficient, safe and low in costs, can prolong the preservation period under the premise of maintaining the original sensory quality of the mutton, and has a very great practical significance for raising the economic value of the mutton.

The invention discloses a fresh keeping agent for citrus fruits and a preparation method. The fresh keeping agent comprises the following raw materials in parts by weight: 10-15 parts of red pepper powder, 3-5 parts of mint powder, 5-10 parts of linseed meal, 1-3 parts of limonene, 0.5-1.5 parts of cinnamon essential oil, 0.3-0.5 part of litsea cubeba essential oil, 1-2 parts of grape seed essential oil, 3-5 parts of cocamidopropyl betaine, 5-10 parts of sodium ligninsulfonate and 1-5 parts of polyoxyethylene stearate. The fresh keeping agent consists of various raw materials having the functions of being preservative and sterilizing and a surfactant, so that the fresh keeping agent forms a layer of film on the surfaces of fruits, the citrus fruits subjected to fresh keeping can lock nutrient components from running off for a long time, and the fresh keeping agent has the advantages of being antiseptic, keeping fresh, sterilizing, preventing dehydrating, being notable in fresh keepingeffects and the like, and provides a good storage way for the fruits.

The invention discloses an overload vehicle spin-on engine oil filter. The overload vehicle spin-on engine oil filter comprises a shell, an upper cover is installed on the shell, a filter element is installed in the shell, and an engine oil channel is formed between the shell and the filter element; the upper cover is provided with an oil inlet and an oil outlet; and the shell is of a double-layerstructure and comprises an inner shell body and an outer shell body, the inner shell body and the outer shell body are each shaped like a circular groove of which the upper end is provided with an opening, the outer shell body is arranged outside the inner shell body, and reinforcing parts are installed between the inner shell body and the outer shell body. According to the engine oil filter, theshell strength is high, deformation and damage are not prone to occurring when the engine oil filter is collided, and normal use of the filter is guaranteed; engine oil in the filter is cooled, therefore, the overall strength of the filter element is guaranteed, and the condition that the filtering effect is influenced due to the fact that an opening is formed in the filter element is prevented;and meanwhile, the engine oil is cooled, therefore, the viscidity of the engine oil can be guaranteed, the deterioration speed of the engine oil is decreased, and running of the engine is facilitated.

The invention relates to a connecting rod assembly capable of reducing the thermal load of a piston, and belongs to the technical field of engines. The technical problems of high thermal load, short service life and the like in the using process of an engine piston at present are solved. The connecting rod assembly capable of reducing the thermal load of the piston comprises a rod body, a connecting rod with an oil guide hole in the small end of the connecting rod, a connecting rod bearing bush with an oil guide hole, and a connecting rod bushing with an oil guide groove and an oil guide hole.The oil guide hole of the connecting rod bearing bush, the oil guide hole of a connecting rod body, the oil guide groove and the oil guide hole of the connecting rod bush and the oil guide hole of the small end of the connecting rod form a complete lubricating oil path, so that a piston inner cavity assembled with the connecting rod assembly is actively cooled under the drive of pressure, the reduction of the thermal load of the piston is realized, and an effective way for improving the reliability and durability of the piston is provided.

The invention provides a method for prolonging tobacco pollen storage time by utilizing tobacco seed oil, which comprises the following steps: squeezing out tobacco seed oil by adopting a physical squeezing method; mixing fresh tobacco pollen and dry allochroic silicagel with the particle size of 1-2mm according to the mass ratio of 10:1 in a storage container; and weighing tobacco seed oil according to the proportion that 1ml of tobacco seed oil is added into 1g of pure tobacco pollen, adding the tobacco seed oil into the mixture of the tobacco pollen and the allochroic silicagel, sealing the storage container, repeatedly vibrating for dispersing the air between the tobacco pollen and the allochroic silicagel, and putting at low-temperature environment for storing. Experiments prove that the tobacco seed oil can reduce the breathing rate of the pollen, reduce the deterioration velocity of the pollen and greatly prolong the storage time of the pollen; by adding the allochroic silicagel with a small particle size, the water of the pollen can be lost slowly, and the flexibility of the pollen wall can be enhanced by the tobacco seed oil; the damage to the tobacco pollen caused by desiccation and low temperature is further reduced; and the tobacco seed oil can not influence the biological characters of the tobacco pollen.

The invention discloses a method for improving degradation prevention performance of phosphate fire-resistant oil. The method includes following steps: weighing the phosphate fire-resistant oil, an antioxidant and polar adsorbent, adding the polar adsorbent in the phosphate fire-resistant oil, performing heating and stirring, fully contacting the polar adsorbent with the phosphate fire-resistant oil, and then filtering out the polar adsorbent in the phosphate fire-resistant oil, and then adding the antioxidant, and finally stirring evenly. The method can improve the degradation prevention performance of the phosphate fire-resistant oil.