38results about How to "Contribute to research and development" patented technology

Chemical synthesis of diiursaponin W3 is simple, cheap and fast. The diiursaponin W3 contains Chinese medicine pasqueflower active ingredients. 1,2-diose is connected with oleanol 3-bit hydroxyl group by beta-structure mode. It's practicable and stable, and the purity reaches to 96%. It's simple, cheap and fast. It can be used to control diiur medicine, its extracts and related preparations quality and research rheumatisms Chinese medicinal preparation.

The invention discloses a particle counter which comprises a hermetic detection chamber, a gas path and a light path, wherein the gas path comprises a sample injection gas pipe and a receiving gas pipe which are coaxially arranged and fixedly connected with the hermetic detection chamber; the light path comprises a light source which emits divergent beams; an incident lens set and a curved mirrorwith an opening are sequentially arranged along the forward direction of the beams emitted by the light source, and both the incident lens set and the curved mirror are fixedly connected with the hermetic detection chamber; the focal point of the curved mirror is positioned at the intersection of the light path and the gas path, and the curved mirror is provided with a lateral light collection anddetection device; the sample injection gas pipe is externally sleeved with a sheath flow pipe being coaxial with the sample injection gas pipe, and an annulus space which allows clean sheath flow gasto pass through is formed between the sheath flow pipe and the sample injection gas pipe; the gas outlet end of the annulus space is parallel and level to the gas outlet end of the sample injection pipe; and the gas outlet end of the sheath flow pipe is connected with a nozzle. The invention can effectively prevent the diffusion of sample gas flows, thereby improving the accuracy of detection.

The invention provides a rhesus monkey temporal lobe epilepsy kindling model. In the model, coriamyrtin with the subthreshold seizure dose of 0.5 ml / kg is applied in rhesus monkey, and the effect of 1ml of coriamyrtin injection is equivalent to that of 6.7g of raw material medicine Chinese coriaria leaf. The invention also provides a method for screening drugs for curing temporal lobe epilepsy. The method of the invention has the following advantages: the method is simple to establish and easy to operate and repeat, does not cause mechanical damage on the brain, has short seizure time, etc. The model of the invention resists the classical antiepileptic drug carbamazepine, thus the model can be used in the research on the pathogenesis of the temporal lobe epilepsy and the research on the development of new antiepileptic drugs.

The invention discloses a simulation training scoring system and method of leak stopping with pressure. The system comprises a display apparatus, a scoring apparatus, a control apparatus, a storage apparatus, at least one video monitoring apparatus and a simulation operation apparatus, the control apparatus is connected with the simulation operation apparatus and used for controlling on-off of the simulation apparatus and receiving data sent by the simulation apparatus, the video monitoring apparatus is connected with the storage apparatus and used for sending received video information to the storage apparatus, the scoring apparatus is connected with the control apparatus and the storage apparatus and used for scoring the received data and obtaining and sending scoring information, the display apparatus is connected with the scoring apparatus and used for receiving and displaying the scoring information sent by the scoring apparatus, and the display apparatus is also connected with the storage apparatus. According to the simulation training scoring system of leakage stopping with pressure, the structure is simple, the operation is convenient, and the system can be used for single-person simulation leakage stopping scoring and training and group simulation leakage stopping scoring and training.

The invention relates to a vehicle dynamic braking force measuring device. The device comprises a moving part which is arranged on a wheel and is used for dynamically acquiring braking force data in a vehicle braking process, and a vehicle-mounted part which is wirelessly connected with the moving part and is used for receiving and displaying the braking force data in real time, drawing a process curve, and further calculating braking data. Compared with the prior art, the vehicle dynamic braking force measuring device provided by the invention has the advantages of fast response, high precision and the like.

The invention provides an optimal peer-to-peer collision avoidance method for an unmanned vehicle, and the method comprises the steps: firstly carrying out the abstract processing of the vehicle, andthen proposing an optimal peer-to-peer collision avoidance speed set formula of the vehicle; allowing the vehicle to follow different collision processing principles according to the own environment;for a plurality of vehicles passing through the curve, selecting different collision avoidance logics according to the positions of the vehicles. Besides, the method divides lanes for the vehicles atthe turning position, provides corresponding collision avoidance logic according to the positions of the vehicles, and avoids possible collision at the turning position as much as possible. The deviceserves as an effective support for the advancing of the unmanned vehicle, can effectively avoid possible collision in the advancing process of the unmanned vehicle, and is very suitable for the collision detection and avoidance of the unmanned vehicle.

The invention provides an aptamer and application in preparing medicine or product for treating leukaemia thereof. The aptamer is TY04 and is a section of ssDNA, containing 83 bases. The action principle of the aptamer is that the aptamer can present cell specificity and cell sequence specificity and is combined with a leukaemia cell, blocks a cell period process in a G2 / M stage via elevating the expression of protein p21 relative to the cell periodic duty of a leukaemia cell ARH77, thereby restraining the proliferation of the leukaemia cell. So far, news that the aptamer is applied to the treatment of the leukaemia is not reported at home and abroad. The discovery and the application of the aptamer provide a new strategy for treating the leukaemia in the future.

The invention discloses a pulsed electric field based quick curing device and method of dry-cured ham. The pulsed electric field based quick curing device comprises a grounded stainless steel conveying belt and high-voltage electrode roll shafts, wherein pork legs with bone are put on the grounded stainless steel conveying belt, so the lower surfaces of the pork legs with bone are in close contactwith the grounded stainless steel conveying belt; three high-voltage electrode roll shafts arranged in a line perpendicular to the conveying direction of the grounded stainless steel conveying belt are arranged above the grounded stainless steel conveying belt, the lower surfaces of the three high-voltage electrode roll shafts are in close contact with the upper surfaces of the pork legs with bone; and the electrode structures of the three high-voltage roll shafts are same and all comprise metal rollers, guiding shafts, rolling bearings, screw caps, insulating bases and spring rods, and the metal rollers are connected with pulse generators. According to the pulsed electric field based quick curing device, microsecond-level pulsed high-voltage electricity is applied to ham by virtue of electrodes formed by the grounded conveying belt and the stainless steel roll shafts, and a high-voltage pulsed electric field in the ham can induce perforation of muscle cells in the pork legs and increase pores among tissues, thereby enabling subsequent salt to quickly penetrate into the ham and greatly shortening the curing time.

The invention relates to the field of production control over high-temperature process furnaces, and discloses an automation control system of a cladding furnace for producing cladding fuel particles. The system comprises a cladding furnace distribution control system (DCS) program control system development and operation platform (1), a DCS control hardware platform (2), an on-site instrument (31) and an actuating mechanism (32). The invention also discloses a method for controlling the cladding furnace in an automation way by using the system. By the system and the method, a process for producing the cladding fuel particles is automated and standardized, the instability of an instrument panel in the operation process is reduced, and the production efficiency of a cladding furnace systemand the quality of the cladding fuel particles are improved.

The invention relates to a bacterial strain for generating polyvinyl alcohol degrading enzyme, and the polyvinyl alcohol degrading enzyme. The related bacterial strain is named as stenotrophomonas rhizophila, the bacterial strain was preserved in China General Microbiological Culture Collection Center (CGMCC) on March 25, 2016, and the preservation number is CGMCC 1.15515. The related polyvinyl alcohol degrading enzyme is enzyme generated by the bacterial strain. The polyvinyl alcohol degrading enzyme provided by the invention has remarkable effect of degrading high polymer PVA in sewage.

The invention discloses a fusarium oxysporum tomato neck rot root rot specialization type and application thereof in cultivation of tomato neck rot rood rot disease-resistant varieties. Preservation number of a bacterial strain (bacterial strain Forl-c for short) is China general microbiological culture collection center number 5517 (CGMCC No. 5517). The fusarium oxysporum tomato neck rot root rot specialization type and the application of the fusarium oxysporum tomato neck rot root rot specialization type in cultivation of tomato neck rot rood rot disease-resistant varieties facilitate analysis of pathogenesis of tomato neck rot root rot diseases by tomato neck rot root rot research workers in our country, facilitate research and development of tomato neck rot root rot biocontrol agents,facilitate research of inheritance of resistance and related gene molecular markers of the tomato neck rot root rot diseases, facilitate excavation of disease-resistant genes of the tomato neck rot root rot diseases, facilitate screening and identification of disease-resistant plant materials of the tomato neck rot root rot diseases and other work, lay the foundation for integrated control of the tomato neck rot root rot diseases, have great value for effectively controlling damages of the tomato neck rot root rot diseases, and promote development of disease-resistant breeding of the tomato neck rot root rot diseases.

The invention discloses a cement strength estimation method based on width learning under internal influence factors. The method comprises the following steps: building a cement strength estimation index system which comprises the internal influence factors influencing the cement strength, the cement compressive strength on the third day and the cement compressive strength on the 28th day; the method comprises the following steps: collecting detection records of strength of each batch of cement of a cement enterprise over the years, and obtaining compressive strength of cement samples on the third day and the 28th day under different internal influence factors; a width learning model for estimating the cement strength is established, the model adopts a single-layer neural network structure, the internal influence factors serve as model input, and cement compressive strength on the third day or the 28th day is output; model training; and applying the cement strength estimation model to actual cement compressive strength prediction. According to the present invention, the strength nondestructive estimation is performed on the collected cement data, such that the resource waste in the traditional method is reduced, the cement compressive strength detection time is shortened, and the development of the novel cement and the special cement can be easily accelerated.

The invention discloses a method for calculating the concentration of traditional Chinese medicine components in a nanofiltration membrane interface layer. Aiming at the technical bottlenecks that a liquid-solid interface layer cannot be directly obtained and solute component concentration analysis is difficult to carry out, the invention establishes a calculation method which takes interface mass transfer as a basic theory based on nanofiltration separation. According to the method, a technical means is creatively provided for analyzing the solute distribution behavior of the liquid-solid two-phase interface layer, the affinity of components and a membrane material is intuitively analyzed according to the component concentration distribution condition of the interface layer, and the fundamental reason of membrane pollution is analyzed. The method is beneficial to research and development of new membrane materials, adjustment of distribution concentration differences of different traditional Chinese medicine components on an interface layer, amplification of separation differences and targeted separation.

The invention discloses a process for manufacturing a high-dispersity multi-element nano inorganic metal oxide single-phase crystal structure through one-step thermal reaction. According to the invention, a novel chemical sol-gel combustion method is adopted and matched with a nano oxide processing device for optimizing a combustion reaction and inhibiting an agglomeration phenomenon, so that a single-phase structure which is low in agglomeration phenomenon, smaller in particle size, larger in surface area and capable of completely forming a target compound can be obtained through a one-step reaction process.

The invention discloses a particle counter, which comprises an airtight detection chamber, a gas path and an optical path; the gas path includes a coaxially arranged sampling gas pipe and a receiving pipe fixedly connected with the airtight detection chamber; The light source of the light beam is provided with an incident lens group affixed to the airtight detection chamber and a curved mirror with an opening fixed to the airtight detection chamber in the forward direction of the light beam emitted by the light source. The focal point is located at the intersection of the optical path and the gas path, and the curved mirror is provided with a side light collection and detection device; the outer surface of the sample gas pipe is provided with a coaxial sheath flow tube, and the sheath flow tube and the An annular space for clean sheath flow gas to pass is formed between the sample gas tubes, the gas outlet end of the annular space is flush with the gas outlet end of the sample tube, and a nozzle is connected to the gas outlet end of the sheath flow tube. The invention can effectively prevent the diffusion of the sample gas flow, thereby improving the detection accuracy.

The invention can provide a method and a device for optimizing a photoetching process, and a computer storage medium. The method comprises the following steps: acquiring data of a target photoresist, wherein the data of the target photoresist comprises photoresist spatial data and photoresist component data; and segmenting the space occupied by the target photoresist according to the photoresist spatial data to determine a plurality of unit blocks, wherein each unit block is provided with lattice points; determining original state information of each lattice point position on the target photoresist according to the photoresist component data, and determining current state information of each lattice point position on the exposed target photoresist according to preset process parameters and the original state information; and predicting the morphology of the developed target photoresist through the current state information. The morphology of the developed photoresist can be predicted in advance so as to guide and optimize an actual photoetching process, research and development of new varieties or new types of photoresists are facilitated, the research and development progress is promoted, and the research and development cost is reduced.

The invention relates to a method for rapidly detecting a urine steroid hormone by adopting an immunochemiluminometric assay and belongs to the fields of analytical chemistry and medical science. According to the method, a beta-glucuronidase enzymolysis method is combined with the immunochemiluminometric assay to rapidly detect concentrations of five steroid hormones, namely urinary estriol, hydrocortisone, 17beta-estradiol, testosterone and progesterone, at the same time, and limit of quantitation is 0.017-4ng / mL. The method provided by the invention is rapid, sensitive and accurate, the requirement of detecting the five steroid hormones of human urine at the same time can be met, the used reagent is cheap and available, cost is low, and research and development of sample enzymolysis and immunochemiluminometric assay integrated equipment can be facilitated, so that the method provided by the invention has a broad application prospect.

The invention discloses a method and a device for measuring the content of diffusible hydrogen in the deposited metal of welding materials. Four samples are prepared according to GB / T 3965, and AgBr and NaNO are placed in a dark room. 2 The diffusive hydrogen collector of the solution was opened with magnetic stirring and the test temperature was set, and collected for 72h to make the hydrogen react with AgBr to form Ag. Add Na 2 S 2 O 3 The solution removes excess AgBr, and after cleaning the sample, pour the Ag-containing solution into the filter device to obtain m Ag ,use m Ag and the chemical formula to deduce the hydrogen content of the sample V D ,4 V D The mean is the diffusible hydrogen content H D . The diffusible hydrogen collector is placed in the ultrasonic cleaning device, and there is a heating wire between the adjacent cleaning devices; a magnetic stirring device is installed under the diffusing hydrogen collector, and the water bath heating temperature control device controls the heating wire through thermocouple temperature measurement. The beneficial effect is that the invention can replace the toxic mercury method to ensure the health of workers, break the foreign monopoly on high-end TCD hydrogen detectors, and reduce the cost of enterprises.

The invention provides an optimal peer-to-peer collision avoidance method for unmanned vehicles. The method first abstracts the vehicle, and then proposes a vehicle optimal peer-to-peer collision avoidance speed set formula; the vehicle follows different collision avoidance methods according to its own environment Processing principle; For multiple vehicles passing through the curve, different collision avoidance logics are selected according to the location of the vehicles. In addition, this method divides the lane for the vehicle at the turn, and proposes corresponding collision avoidance logic according to the position of the vehicle, so as to avoid possible collisions at the turn as much as possible. As an effective support for the advancement of the unmanned vehicle, the invention can effectively avoid possible collisions during the advancement of the unmanned vehicle, and is very suitable for collision detection and avoidance of the unmanned vehicle.

The invention provides a method of evaluating the performance of a saliency data set. The method comprises the following steps: the ratio of a salient region to the whole image is calculated; the ratio of the number of salient regions connected with an image edge to all salient regions in the saliency data set is counted; RGB color feature differences between a salient region and the whole image are counted; and the performance score of each saliency data set from the first step to the third step is calculated. The data set can be counted from different angles to comprehensively evaluate the performance of the data set. Research and development on an objective and scientific saliency detection algorithm are facilitated, and design of an algorithm with not high robustness to cater to database deviations can be avoided.

The invention discloses an implosion detection device for a catalytic debinding furnace. The device comprises a furnace body, wherein cavities are arranged in the two sides of the furnace body; vent holes are arranged in the two sides in the cavities; vent pipes are arranged at one sides of the vent holes; back plates are arranged at one sides of the cavities; locking structures for fixing the back plates are arranged on the cavities; buffer structures are arranged in the cavities; and detection devices are arranged between the back plates and the buffer structures. The implosion detection device is simple in structure, when the furnace body implodes, expanded air during implosion is buffered through the buffer structures, deflation is conducted through the vent holes, the detection devices record the number of times of implosion, a controller makes a sound to remind workers, research and development and improvement of new materials and new finished products by researchers are facilitated through detection records of implosion, in addition, the locking structures are additionally arranged at the positions of the back plates, damage to the back plates is prevented, and the safety of the implosion detection device is remarkably improved through the arrangement of the locking structures and the vent holes.

The invention provides a method for rapidly artificially identifying the fruit cracking resistance of chili. The method comprises the following steps: soaking a to-be-detected sample which is a chilifruit at the turning stage in a NaCl aqueous solution having a mass concentration of 0.05 percent; and standing in an artificial climate tank of 26+ / -2 DEG C, and continuously treating for 24 hours toobtain a cracked fruit sample. According to the method for identifying the fruit cracking resistance of chili by utilizing in-vitro fruits at the turning stage, fresh fruits of a plant at the turningstage are collected for testing, and chili strain or the fruit cracking resistance of a strain can be identified by calculating the fruit cracking index. The method is stable and reliable, the identification result is in accordance with years of field natural identification results, the repeatability is good, speed is high, time and labor are saved, the efficiency for screening the fruit crackingresistant strain can be effectively improved, the breeding process is accelerated, and research and development of chili fruit cracking resistance molecular markers and gene clone can be favored.

The invention provides a rhesus monkey temporal lobe epilepsy kindling model. In the model, coriamyrtin with the subthreshold seizure dose of 0.5 ml / kg is applied in rhesus monkey, and the effect of 1ml of coriamyrtin injection is equivalent to that of 6.7g of raw material medicine Chinese coriaria leaf. The invention also provides a method for screening drugs for curing temporal lobe epilepsy. The method of the invention has the following advantages: the method is simple to establish and easy to operate and repeat, does not cause mechanical damage on the brain, has short seizure time, etc. The model of the invention resists the classical antiepileptic drug carbamazepine, thus the model can be used in the research on the pathogenesis of the temporal lobe epilepsy and the research on the development of new antiepileptic drugs.

The invention discloses an airplane engine compartment simulating device for a fire extinguishing agent concentration measuring experiment. An experiment environment similar to an actual application scene can be provided for a gas fire extinguishing agent concentration measuring device. The simulating device comprises a fire extinguishing agent releasing section, a middle measuring section, a windpower generating section and a tail gas exhaust section in sequence, wherein the fire extinguishing agent releasing section is provided with a honeycomb plate and a damping net, an adjustable opticalchannel and a sampling hole are formed in the middle measuring section for concentration measurement, a turbofan and a controller are arranged on the wind power generating section, the tail gas exhaust section is connected with the wind power generating section through a flange, and an exhaust pipeline extends out of a window and then extends downwards so that outdoor rainwater can be prevented from being poured into the device. By means of the airplane engine compartment simulating device, the fire extinguishing agent after-releasing flow field environment and concentration distribution in an airplane engine compartment can be simulated, and the simulating measuring environment is provided for the developing, performance testing and improving of the fire extinguishing agent concentrationmeasuring device.

The invention discloses a lithium ion battery cycle life prediction method based on acoustic measurement. The method comprises the following steps that: (1) charge-discharge circulation is carried outon a lithium ion battery, and ultrasonic scanning is carried out on the lithium ion battery during the charging and discharging of the lithium ion battery or in the intermittent period of the charging and discharging of the lithium ion battery to obtain ultrasonic transmissivity and make an ultrasonic transmission scanning image; (2) the number of circulation turns corresponding to a region withthe ultrasonic transmissivity less than or equal to K and the area more than or equal to A on the ultrasonic transmission scanning image is defined as a sound stability life; and (3) the predicted cycle life of the to-be-measured lithium ion battery is equal to the product of the sound stable life of the to-be-measured lithium ion battery and life multiplying power Sc, wherein the life multiplyingpower Sc is the result of dividing the real cycle life of a lithium ion battery in the same system as the to-be-measured lithium ion battery by the sound stable life of the lithium ion battery. By utilizing the multiplying power relationship between the sound stable life and the cycle life of the lithium ion battery, the time required for predicting the cycle life of the lithium ion battery can be greatly shortened.