Patents
Literature
Patsnap Copilot is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Patsnap Copilot

35results about How to "The implementation conditions are simple" patented technology

Method for preparing 9,10-dihydroxystearic acid and its methyl by hydrogen dioxide oxidation process

The invention relates to a preparation method for 9, 10-dihydroxy stearic acid and methyl ester, which is characterized in that the oleic acid and the formic acid are mixed uniformly in room temperature; the mixture is added with hydrogen peroxide, and warmed up and separated from water phase; the solvent is recycled through decompression and distillation; the generative reaction admixture is recrystallized with organic solvent, so that the product 9, 10-dihydroxy stearic acid is prepared. The recovered formic acid solution can generate ice-cream calcium formate salt separation by adding calcium oxide and calcium carbonate; subsequently the methyl alcohol and oil of vitriol is arranged into the product 9, 10-dihydroxy stearic acid for a reflux reaction, and then is rotated and vaporized out the water phase and oil phase for being washed to be neutral, thereby the 9, 10-dihydroxy stearic acid methyl ester product is generated through dehydration. The invention has the advantages of clean process, safe implementation, easy operation, full utilization of the reactant, reduced waste emission, effective utilization of the low-concentration hydrogen peroxide, and favorableness to large-scale production.
Owner:XINJIANG TECHN INST OF PHYSICS & CHEM CHINESE ACAD OF SCI

Method for preparing low-pour-point lubricant additive from low-priced cotton seed oil

The invention discloses a method for preparing a low-pour-point lubricant additive from low-priced cotton seed oil. The method comprises the following steps: mixing cotton seed oil, methanol and potassium hydroxide so as to prepare fatty acid methyl esters, uniformly mixing the fatty acid methyl esters, formic acid and petroleum ethers at room temperature, stirring and heating the obtained mixture, dripping a mixture of hydrogen peroxide and phosphoric acid into the obtained mixture, standing the obtained product to carry out delamination, separating a water layer, washing an oil layer by using water until the oil layer is neutral, and carrying out reduced pressure distillation to obtain colorless transparent oily epoxidized fatty acid methyl esters, wherein the epoxy value is greater than 4-7, the iodine value is less than 2-0, the acid value is less than 1, and the yield is 90-94%; adding calcium carbonate into a residual formic acid solution after reaction so as to obtain calcium formate which can be recycled; and carrying out esterification reaction on the epoxidized fatty acid methyl esters so as to obtain epoxidized fatty acid methyl ester mixed fatty acid esters. According to the method disclosed by the invention, atalyst application amount is low, the process is clean, the implementation conditions are simple, and the mass production can be implemented conveniently.
Owner:深圳市四方精细化工有限公司

Hardware Trojan horse detection method and a device of a key node based on power consumption average analysis

The invention discloses a hardware Trojan horse detection method and a device of a key node based on power consumption average analysis. The detection method of the invention comprises the steps of: selecting and confirming the pure reference chip without hardware Trojan horse according to the chip to be tested; for the key nodes selected by the chip to be tested according to the pure reference chip, obtaining the the power consumption data K1 during logic value transition and the power dissipation data K2 when the logic value does not jump of the corresponding key nodes, taking the mean difference of the power consumption data K1 and the power consumption data K2 to obtain a reference power consumption data K, obtaining the power consumption data P1 of the key node of the chip to be tested when the logic value transitions and the power consumption data P2 when the logic value does not jump, taking the mean difference of the power consumption data P1 and the power consumption data P2 to obtain the measured power consumption data P, obtaining the difference of the measured power consumption data P and the reference power consumption data K, and if the power consumption spike occursin the difference, determining that the hardware Trojan horse exists in the chip to be tested. The invention has the advantages of low engineering cost, wide application range and high detection accuracy.
Owner:PHYTIUM TECH CO LTD

Heat supply system capable of switching from extraction condensing to zero output of low-pressure cylinder and working method of heat supply system

ActiveCN114483235ALarge adjustment rangeFlexible heat regulationSteam useThermodynamicsControl system
The invention discloses a heat supply system capable of switching from extraction condensing to low-pressure cylinder zero output and a working method of the heat supply system. A small-caliber medium-low pressure communicating pipe with a valve with an adjusting function is additionally arranged on a medium-low pressure communicating pipe of an original heat supply extraction condensing unit in parallel and serves as low-pressure cylinder steam inlet flow control before the low-pressure cylinder is cut off; temperature and pressure sensor monitoring data are newly added on an original seven-section steam extraction pipeline of the low-pressure cylinder to be connected into a unit control system, and the steam superheat degree is obtained and serves as a criterion of a low-pressure cylinder removal time point; a pipeline with a valve is additionally arranged in a pipeline between a six-section steam extraction valve of a low-pressure cylinder and the low-pressure cylinder to a condenser, when the cutting-off time point of the low-pressure cylinder arrives, the six-section steam extraction valve and the seven-section steam extraction valve are closed firstly, then a small-caliber medium-low pressure communicating pipe valve is closed, and finally the valve between the six-section steam extraction valve and the condenser is opened. Non-condensed gas in the low-pressure cylinder and hot standby steam of the communicating pipe are pumped out in advance, and the system ensures normal operation of the long movable blade of the low-pressure cylinder in a high-vacuum environment and no overtemperature of the inlet of the condenser.
Owner:HANGZHOU HUADIAN ENERGY ENG +1

Method of screening medicaments with high accuracy and high repeatability

The invention provides a method of screening medicaments with high accuracy and high repeatability. The method comprises the following steps: 1) preparing a patterned fiber electrospinning receiving board, and preparing a receiving board with a patterned metal silver layer by utilizing a photoetching technology and a direct current magnetron sputtering technology; 2) preparing patterned electrospinning fibers, and carrying out electrostatic spinning on an object obtained in the step 1); 3) preparing a PDMS cavity; 4) connecting the objects obtained in the second and third steps by virtue of plasma treatment; and 5) inoculating primary mouse myocardial cells to the patterned electrospinning fibers in the object obtained in the step 4), pumping a culture medium into the cavity of the object obtained in the step 4) by virtue of an injection pump, then pumping the medicaments, recording the beating frequency of the myocardial cells within 20 days after the medicaments are pumped to obtain an EC50 value, and screening the medicaments according to the EC50 value. According to the method disclosed by the invention, normal growth of the cells in smaller cavity is realized, and the method also has the effects of screening the medicaments and reusing and is high in the accuracy and the repeatability.
Owner:吕小芹

RLS adaptive filtering method for open shock wave target scoring system

The invention discloses an RLS adaptive filtering method for an open-type shock wave target scoring system, and solves the problems that a filtering frequency band is limited, the method is difficultto adapt to a complex environment and a reference signal of a noisy shock wave signal is difficult to obtain in the prior art. The method comprises the steps of collecting noisy projectile shock wavesignals; processing delay of noisy projectile shock wave signals; setting an adaptive filtering initial value; and updating the filter weight coefficient based on an RLS algorithm of the variable forgetting factor, and outputting the denoised shock wave signal. The invention further constructs an RLS adaptive filtering system which is sequentially connected with the delayer, the RLS adaptive filter and the differencing device. According to the invention, the delay signal of the noisy shock wave signal is used as the reference input of the adaptive filter, and the RLS adaptive filtering based on the variable forgetting factor is used for the signal processing of the shock wave target reporting system, so that the method has the advantages of simple implementation condition, adaptation to environmental change, high convergence speed and high precision. The device is used for an open-type shock wave target-scoring system.
Owner:昆山九毫米电子科技有限公司

Pharmaceutic preparation of promotion of lactation for puerpera

The invention discloses a pharmaceutic preparation of promotion of lactation for a puerperal. The pharmaceutic preparation is characterized in that raw materials for preparing the active ingredients of the preparation compriseangelica sinensis, semen sesami nigrum, colla corii asini, ginseng, astragalus mongholicus, tetrapanax papyriferus, corn stigma, uniflower swisscentaury root, trichosanthes kirilowii maxim, leonurus, dandelion, radix ophiopogonis and liquorice. According to the theory of traditional Chinese medicine and pharmacy, the qi and blood of a puerperal puerpera upwards move to generate the milk after the parturition, and the milk is the metaplasia of blood; qi runs, thus the puerperal puerpera is insufficient in milk due to weak qi and blood, and blocked channels of breast. According to the pharmaceutic preparation disclosed by the invention, various medicines are combined, so that source is provided for the milk, and the effects on replenishing qi, nourishing blood, promoting blood circulation to remove meridian obstruction, tonifying spleen and invigorating stomach, freeing channels of breast, alleviating water retention and promoting lactation, tonifying spleen and promoting lactation, and regulating the blood condition and producing milk.
Owner:王君君

Magnetic sound field cooperated aquifer oxygenation purification process method and device

The invention relates to a water oxygenation and purification method combining magnetic and sound field and the device. A speed regulating motor and an oxygen collecting magnetizing wheel connected with the speed regulating motor are arranged on a frame; a power ultrasonic transducer toward the oxygen collecting magnetizing wheel is also arranged on the frame. The device is characterized in that the oxygen collecting magnetizing wheel is used for separating and collecting oxygen from air and then transferring the oxygen into water, meanwhile, the power ultrasonic transducer is used for irradiating ultrasonic wave to the oxygen collecting magnetizing wheel, thereby, the oxygen absorbed on the oxygen collecting magnetizing wheel is desorbed quickly and dissolved in the water completely to oxygenate and magnetize the water. The device has the advantages of rational design, simple structure, easy operation and high efficiency of oxygenation. The water oxygenation and purification method comprises the steps of separation and collection of oxygen from air and oxygen enrichment and magnetization of water. The method has the advantages of simple method, high efficiency of oxygenation, oxygenation of pollutant in the water and purification of water. The water oxygenation and purification method combining magnetic and sound field and the device can be used for purification of sewage, restoration of water quality for landscape and continuous preparation of oxygen enriched and magnetized water for agriculture and forestry irrigation.
Owner:SHAANXI NORMAL UNIV

Cultivating method for cordyceps militaris by using manyprickle acathopanax root

The invention discloses a cultivating method for cordyceps militaris by using manyprickle acathopanax root and relates to a cultivating method for cordyceps militaris. The method is used for simplifying Chinese medicine compatibility dosage, increasing the utilization rate of cordyceps militaris and reducing the medicine consumption. The method comprises the following steps of: 1, activating strains; 2, preparing liquid strains; and 3, inoculating the liquid strains into a manyprickle acathopanax root solid culture medium for dark cultivation to obtain mycelia, then transferring to light and culturing until sporocarp grows up to 2 cm in height, after gas introduction, continuing culturing until the sporosarp grows up to 4-8 cm in height, yellow powdery substances appear on the surface of the sporosarp as well as small thorns appear on the top end, and harvesting. According to the method disclosed by the invention, active ingredients of the manyprickle acathopanax root are transferred into the sporocarp of cordyceps militaris, so that a beneficial curative effect of cordyceps militaris is indirectly enhanced, the method of compatibility of cordyceps militaris and manyprickle acathopanax root in traditional Chinese medical science is simplified, the utilization ratio, nutrition and medical value of cordyceps militaris are improved, the yield of cordyceps militaris is improved, the growth cycle of cordyceps militaris is shortened, and the quality of cordyceps militaris is improved; and moreover, implementing conditions are easily achieved.
Owner:王满玉

Identification method of distribution transformer coil material

The invention discloses a method for identifying the coil material of a power distribution transformer, which comprises the following steps: ①. Prepare a standard coil: use pure copper, pure aluminum, and half-copper and half-aluminum to make a high-voltage standard coil and a low-voltage standard coil respectively; ②. Connect the three high-voltage standard coils and three low-voltage standard coils to the heating circuit of the distribution transformer to be tested for heating together; ③. Connect the three high-voltage standard coils, three low-voltage standard coils and the distribution transformer to be tested Connected in series in the DC circuit, gradually cool down synchronously, and collect the DC resistance of each high-voltage standard coil, each low-voltage standard coil, and the high-voltage coil and low-voltage coil of the distribution transformer to be tested in real time; ④, compare the DC resistance , to identify the materials of the high-voltage coil and low-voltage coil of the distribution transformer to be tested. The method has simple implementation conditions and convenient operation, and is in the same environmental conditions during the whole process, so the recognition accuracy rate is high, and it is more suitable for on-site application.
Owner:STATE GRID CORP OF CHINA +2

Method for preparing low-pour-point lubricant additive from low-priced cotton seed oil

The invention discloses a method for preparing a low-pour-point lubricant additive from low-priced cotton seed oil. The method comprises the following steps: mixing cotton seed oil, methanol and potassium hydroxide so as to prepare fatty acid methyl esters, uniformly mixing the fatty acid methyl esters, formic acid and petroleum ethers at room temperature, stirring and heating the obtained mixture, dripping a mixture of hydrogen peroxide and phosphoric acid into the obtained mixture, standing the obtained product to carry out delamination, separating a water layer, washing an oil layer by using water until the oil layer is neutral, and carrying out reduced pressure distillation to obtain colorless transparent oily epoxidized fatty acid methyl esters, wherein the epoxy value is greater than 4-7, the iodine value is less than 2-0, the acid value is less than 1, and the yield is 90-94%; adding calcium carbonate into a residual formic acid solution after reaction so as to obtain calcium formate which can be recycled; and carrying out esterification reaction on the epoxidized fatty acid methyl esters so as to obtain epoxidized fatty acid methyl ester mixed fatty acid esters. According to the method disclosed by the invention, atalyst application amount is low, the process is clean, the implementation conditions are simple, and the mass production can be implemented conveniently.
Owner:深圳市四方精细化工有限公司

Chuzhou flos chrysanthemi and cordyceps cicadae fermented beverage and preparation method thereof

The invention relates to the field of health-care foods, in particular to a Chuzhou flos chrysanthemi and cordyceps cicadae fermented beverage and a preparation method thereof. The preparation methodof the Chuzhou flos chrysanthemi and cordyceps cicadae fermented beverage comprises the following steps of (1) performing activated culture on cordyceps cicadae strains on a culture medium; (2) performing liquid fermentation culture on the treated cordyceps cicadae strains; (3) preparing a cordyceps cicadae liquid culture medium containing Chuzhou flos chrysanthemi, and performing fermentation culture on cordyceps cicadae; (4) adding other ingredients to the fermented Chuzhou flos chrysanthemi and cordyceps cicadae fermentation liquid, and performing uniform mixing; and (5) performing filling,performing sterilization, performing degassing and performing sealing and covering. The preparation method disclosed by the invention is simple to operate and short in cycle; the prepared Chuzhou flos chrysanthemi and cordyceps cicadae fermented beverage has fragrant smell, does not have specific bitterness of Chuzhou flos chrysanthemi, is rich in nutrients, and has the health-care efficacy of enhancing the immunity of human bodies, nourishing and strengthening bodies, nourishing the liver to improve visual acuity, resisting ageing, resisting viruses and the like. Besides, the diversity of cordyceps sobolifera and Chuzhou flos chrysanthemi products is enriched. In addition, the implementation conditions are easy to reach, and large-scale trade popularization can be performed.
Owner:CHUZHOU UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products