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 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 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 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 belongs to the field of carbon nanomaterials, and particularly relates to a low-cost preparation process for preparing three-dimensional porous graphene. According to the invention, the selected carbon source takes the waste coal gangue as a basic raw material so that resource reutilization of the waste coal gangue is realized, materials can be saved, and energy consumption can be reduced. The metal catalyst is added, so that the graphitization process is accelerated, the graphite temperature is reduced, the graphitization degree is increased, the interlayer spacing is increased, intercalation is easier, and the quality of graphene obtained by stripping is higher. In-situ self-assembly is carried out by using a graphene oxide aqueous solution as a precursor, so that stacking among graphene sheet layers is effectively reduced, and excellent performance of graphene is retained. The three-dimensional porous graphene with relatively high quality is prepared by adopting a low-cost preparation process and a low-cost carbon source, and can be prepared in a large scale so that research and development of downstream products such as pollutant adsorption, resistance type gas sensors, lithium ion batteries, supercapacitors, modified cement concrete and the like are facilitated.

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 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 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.