Young non-pluripotent cell as well as preparation method and application thereof

The invention relates to the field of cells. In particular, the present invention relates to a rejuvenated, non-pluripotent cell, a method of producing said rejuvenated, non-pluripotent cell, and a use of said cell.

Technique for preparing wollastonite ultrafine powder from calcium silicate hydrate

The invention relates to a technique for preparing wollastonite ultrafine powder from calcium silicate hydrate. In the technique, dealkalied red mud-calcium silicate hydrate, which is generated in the technological process of treating aluminum-containing raw materials by an improved soda-lime sintering method, is used as the raw material. The technique comprises the following steps: putting calcium silicate hydrate into an impurity removal liquid prepared from sodium thiosulfate and oxalic acid, stirring to react at 50-90 DEG C for 40-120 minutes, and filtering the reaction slurry to obtain acalcium silicate hydrate impurity-removed filter cake; drying the calcium silicate hydrate impurity-removed filter cake at 110-400 DEG C for 30-120 minutes to obtain calcium silicate hydrate impurity-removed powder; and finally, calcining the calcium silicate hydrate impurity-removed powder at 850-950 DEG C for 30-120 minutes to obtain the product wollastonite ultrafine powder. The invention has the ...

Process for synthesizing aciform wollastonite powder by desiliconizing alkaline liquor

The invention discloses a process for synthesizing aciform wollastonite powder by desiliconizing alkaline liquor, comprising the following steps: mixing the alkaline liquor obtained by pre-desiliconizing potassium-rich rock or flyash or gangue with calcium hydroxide based on that the mole ratio of the silicon oxide in the desiliconizing alkaline liquor to the calcium hydroxide is 0.95-1.05, placing in a reactor for constant temperature reaction for 2-4h at the temperature of 180-280 DEG C, filtering and washing the slurry obtained by reaction, preparing the obtained caustic alkaline liquor into kali salt products or feeding the obtained caustic alkaline liquor to the pre-desiliconizing section for recycling, and drying, calcining, crushing and sieving the afwillite filter cake to obtain the aciform wollastonite powder. The aciform wollastonite powder product prepared by the invention has favorable performance, and can meet the high requirements of industries such as plastics, painting, ...

Method for utilizing waste heat of turbid circulating backwater of casting machines

The invention discloses a method for utilizing the waste heat of turbid circulating backwater of casting machines, which relates to the technical field of waste heat utilization. The method comprises the following steps that: after being filtered by a water filtering pump and a walnut-shell filter, hot water in a hot water tank in a turbid circulating backwater system for casting machines in a casting workshop is communicated with a thermal medium inlet at the thermal medium side of a heat exchanger in a deionized water station system; tap water which is used for preparing deionized water and fed from a cold medium inlet at the cold medium side of the heat exchanger is heated; after the tap water for preparing deionized water is heated, the heated tap water flows into a reverse osmosis device to prepare deionized water; meanwhile, the hot water subjected to heat exchange does not flow through a cooling tower, but directly flows into a water cooling tank in the hot water tank in the turbid ...

High frequency quenching inductor

The utility model discloses a high frequency quenching inductor, it includes: coolant liquid inlet piping, the cooling liquid exit pipeline, first graphite block, be provided with at least one boss on the first graphite block, the second graphite block, be provided with at least one cooperation boss on the second graphite block, boss and cooperation boss one -to -one, and boss and the symmetrical setting of cooperation boss, at least a set of cavity coil, the initiating terminal of cavity coil is linked together with coolant liquid inlet piping, and then extends to the cooperation boss around the boss round after to be linked together with the cooling liquid exit pipeline after centering on cooperation boss round, and describe for the U -shaped around boss and the part on the cooperation boss respectively on the cavity coil. The utility model discloses guarantee spare part induction hardening's homogeneity and product quality's unity, and realized small -size axle class or spring part thermal ...

Flue gas denitration and dust removal system and process for holding furnace of aluminum alloy smelting furnace

The flue gas denitration and dust removal system comprises an aluminum smelting furnace and an aluminum heat preservation furnace, and an aluminum smelting furnace hearth flue of the aluminum smelting furnace and an aluminum heat preservation furnace hearth flue of the aluminum heat preservation furnace are both communicated with a first inlet flue of a flue gas heat exchanger; through flue gas cooling and temperature adjustment, flue gas preheating and flue gas heating, the system can be ensured to adapt to all flue gas working conditions in the whole aluminum melting furnace production process, that is, the denitration and dust removal system can operate at high temperature and low temperature of flue gas; according to the flue gas denitration and dust removal device, the generation of ammonium bisulfate during denitration can be inhibited when flue gas runs under the high-temperature working condition, the ammonium bisulfate generated during running under the low-temperature working ...

Liquid carbon dioxide offshore jacket type injection and storage system

The invention discloses a liquid carbon dioxide offshore jacket type injection and storage system, and relates to the field of carbon capture, the liquid carbon dioxide offshore jacket type injection and storage system comprises a CO2 seabed conveying pipeline, a CO2 receiving module, a CO2 filtering module, a CO2 leakage detection module, a CO2 heating module, a CO2 phasing monitoring module, a CO2 metering module and a CO2 injection manifold which are connected in sequence, and the CO2 injection manifold is communicated to the seabed through an injection vertical pipe; the CO2 phasing monitoring module is further branched into a pipeline to be connected to the CO2 exhaust module, the CO2 exhaust module is connected to the CO2 reprocessing module, and the CO2 reprocessing module is connected to the CO2 heating module; the CO2 phasing monitoring module further extends out of a control signal line to be connected to the CO2 exhaust module; and the CO2 phasing monitoring module further extends ...

New energy battery storage box

The invention discloses a new energy battery storage box and relates to the technical field of new energy batteries, the new energy battery storage box comprises a supporting assembly, a storage assembly, air guide assemblies and an outer frame assembly, the storage assembly is arranged in the supporting assembly, and the air guide assemblies are located in the middles of the two ends of the supporting assembly; the supporting assembly, the storage assembly and the air guide assembly are all located in the outer frame assembly. According to the modular battery storage box, the supporting assembly is arranged, the multiple detachable storage assemblies are arranged in the supporting assembly, the battery modules can be installed in the storage assemblies, the multiple storage assemblies form the modular battery storage box, and rapid disassembly and replacement of the battery modules can be achieved by disassembling the storage assemblies; the air guide assemblies are arranged at the two ...

Unified alarm method and system for digital substation system

The invention relates to the field of digital substation system warning, and discloses a unified warning method and system for a digital substation system, which can analyze and process acquired source warning data, and judge whether the source warning data need to be directly sent or not according to the warning level; judging whether the alarm is a repeated alarm in a set time interval or not, and finally judging whether merging processing is needed or not. By analyzing and processing the alarms, the problem of alarm paralysis caused by a large amount of alarms to an alarm receiver can be reduced, and the problem of ignoring important alarms caused by alarm redundancy is also avoided.

Method for extracting and classifying fMRI features based on adaptive entropy algorithm for projection clustering (APEC)

The invention discloses a method for extracting and classifying fMRI features based on adaptive entropy algorithm for projection clustering (APEC). The method comprises the steps of building a dynamic function connecting matrix by the sliding time window method; performing (AEPC) to cluster dynamic function connecting matrixes of parties in A type and B type tests so as to form a plurality of clustering centers; calculating the similarity between the functional connecting matrix of each test party and each clustering center to form a similarity matrix; extracting elements in the similarity matrix as the features; classifying brain data through a training SVM classifier. With the adoption of the method, the generalization of a data classifying model is improved, and moreover, rich brain dynamic structure information can be extracted; the method can be applied to automatic handling and classification of brain data in the study of the biology information technology.

Event alarm rule configuration method and system

The invention belongs to the technical field of transformer substation centralized control system event alarm, and particularly relates to an event alarm rule configuration method and system.The method comprises the steps that signal types of a centralized control station are classified according to a set classification rule, information features contained in the signal types of the centralized control station are obtained, and a plurality of information feature groups are formed according to a set event feature rule; forming a corresponding relation between the plurality of information feature groups and event features according to a set event feature rule; according to a preset event generation rule, generating a corresponding event from the event feature; and according to the existing centralized control station data information, verifying whether the rule configuration is correct or not by judging whether the information points in the centralized control station data information can ...

Tensor decomposition based fMRI feature extraction and identification method

The invention discloses a tensor decomposition based fMRI feature extraction and identification method. The tensor decomposition based fMRI feature extraction and identification method comprises the steps of establishing an fMRI dynamic function connecting matrix, utilizing a multiple linear principal component analysis method to perform tensor decomposition, extracting a feature tensor of the dynamic function connecting matrix, finally vectorizing the feature tensor and using the feature tensor as an input of a support vector machine to recognize different fMRI data, wherein the steps including preprocessing of a whole image sequence, matrix establishment and the like are all achieved through a Matlab program. By means of the tensor decomposition based fMRI feature extraction and identification method, the problem of 'curse of dimensionality' can be overcome, and dynamic information of a brain function connecting network can be excavated.

Floating offshore or offshore CO2 liquefaction, storage and transfer system

The invention discloses a floating offshore or offshore CO2 liquefaction storage and transfer system. The system comprises a floating platform (1) which is provided with a mooring device and is used for offshore or offshore fixation; the carbon capture plant is arranged on a shore (11) or a wharf (43) and used for collecting CO2, and the CO2 is conveyed to a gaseous CO2 receiving and pretreatment device (7) located on the floating platform (1) through a gaseous CO2 conveying pipeline; the floating platform (1) is further provided with a CO2 liquefaction device (6) used for CO2 liquefaction. The CO2 liquefying device (6) is connected with a liquid CO2 storage tank; the liquid CO2 storage tank is provided with a liquid CO2 output device (5), and the liquid CO2 output device (5) is connected with a liquid CO2 transport ship (18) through a pipeline. According to the invention, the functional requirements of receiving, liquefying, storing and transferring gaseous CO2 under a near-shore or offshore ...

New method for quick preparation of high-purity cadmium telluride powder

The invention discloses a new method for quick preparation of high-purity cadmium telluride powder. The method comprises the steps of: firstly, mixing cadmium powder and tellurium powder at a mole ratio of 1: 1 and then uniformly grinding and mixing; cold-pressing the uniformly mixed powder into a block-shaped blank body; triggering a self-propagating high temperature synthesis reaction on the obtained block-shaped blank body; at the end of the reaction, naturally cooling and grinding to be the single-phase high-purity cadmium telluride powder. The new method provided by the invention is quick in reaction speed, simple in process, low in cost, low in equipment dependency, efficiency and energy-efficient; the whole preparation process can be finished within 10 min, synthesis efficiency of the cadmium telluride powder can be greatly improved and batch production is easily realized.

Novel method for quickly preparing high-performance CuInTe2-base thermoelectric material

The invention discloses a novel method for quickly preparing a high-performance CuInTe2-base thermoelectric material, which comprises the following steps: 1) weighing raw materials Cu powder, In powder and Te powder according to the stoichiometric proportion of the elements in the chemical formula Cu[1-x]InTe2 (0<=x<=0.2), grinding and uniformly mixing the powder raw materials, and pressing into a block billet; 2) initiating high-temperature self-propagating synthesis reaction on the block billet obtained in the step 1), and after the reaction finishes, naturally cooling to obtain the nearly-single-phase CuInTe2-base thermoelectric material. The method has the advantages of high reaction speed, simple technique, high efficiency, energy saving, favorable repetitiveness and the like; the whole preparation process can be completed within 15 minutes; and the optimal thermoelectric value of the obtained block can reach 0.58 under 720K.

Grass grid sand barrier laying device

The invention provides a grass checkered sand barrier laying device, and belongs to the technical field of agricultural machinery. The problem that the labor efficiency of existing manual straw grid laying is low is solved. The device comprises a tractor, a carriage, a grass conveying mechanism, two grass inserting mechanisms and a hydraulic system, the carriage is arranged behind the tractor, the tractor drags the carriage to move, the grass conveying mechanism is arranged in the carriage, the grass conveying mechanism comprises a motor, a conveying belt, a supporting rotating shaft and two auxiliary guide mechanisms, the supporting rotating shaft rotates in the carriage, and the two auxiliary guide mechanisms are arranged on the conveying belt. The supporting rotating shaft and the bottom face of the carriage are arranged in a spaced mode, the output end of the motor is connected with the supporting rotating shaft through a conveying belt, hollowed-out grooves are formed in the two sides ...

Elliptical machine

The utility model provides an elliptical machine, belongs to the field of fitness machinery, and particularly relates to an elliptical machine. The problems that an existing elliptical machine is highin cost, tedious in installation, large in installation size and incapable of being adjusted, and a pedal cannot be well attached to the sole of the foot for operation are solved. The scooter comprises an armrest frame, a connecting rod, a first crank, a support, a second crank and a pedal mechanism. It is mainly used for fitness exercises.

Laser welding equipment and welding method for pipeline welding

The invention discloses laser welding equipment and a welding method for pipeline welding, and belongs to the technical field of pipeline welding equipment. The problem that the welding effect is not ideal when an existing laser welding device is used for conducting sleeve welding is solved. The fixing end column and the external laser welding head are fixedly installed on the installation frame, the internal laser welding head is fixedly installed on the fixing end column, the internal laser welding head and the external laser welding head are oppositely arranged in a bent mode, the fixing end column is of a barrel-shaped structure with one end open, and the fixing end column is coaxially sleeved with the inner pipe supporting assembly. One end of the inner rotating column is coaxially and rotationally inserted into the fixed end column, the outer pipe supporting assembly is installed at the other end of the inner rotating column, and synchronous rotation between the inner pipe supporting ...

Plugging mechanical claw

The invention discloses a blocking mechanical claw which comprises a rack, a driving device, an angle adjusting mechanism and a clamping claw assembly. The driving device is installed at one end of the rack, the clamping jaw assembly is assembled at the other end of the rack, and the angle adjusting mechanism is arranged on one side of the driving device and used for adjusting the overall angle. A lead screw is installed at the output end of the driving device and rotationally penetrates through the rack to be assembled with the clamping jaw assembly. The clamping jaw assembly comprises a nut sliding block assembled on the lead screw, a connecting part assembled on the outer side of the nut sliding block, two connecting rod mechanisms hinged to the two ends of the connecting part, a first finger and a second finger, wherein the first finger and the second finger are hinged to the ends of the two connecting rod mechanisms respectively. The nut sliding block reciprocates along the lead screw ...

Laser cutting robot for machining

The invention provides a laser cutting robot for machining, and belongs to the technical field of laser cutting assemblies. The problem that in the prior art, when a laser cutting needle is used for cutting a steel plate, cutter collision is easily caused by bending of the steel plate is solved. The laser cutting device comprises a force bearing arm, a control disc, a sliding limiting piece, a tooth transmission assembly and a plurality of adjusting lead screws, a laser cutting head is arranged at the bottom of the force bearing arm, the outer side wall of the force bearing arm is connected with the control disc through the sliding limiting piece, a servo motor is arranged on the control disc and connected with the adjusting lead screws through the tooth transmission assembly, and the adjusting lead screws are connected with the servo motor through the tooth transmission assembly. The multiple adjusting lead screws are evenly arranged above the control disc at intervals in the circumferential ...

Young skeletal muscle cell as well as preparation method and application thereof

The invention relates to the field of cells. In particular, the present invention relates to a rejuvenated, skeletal muscle cell, a method of producing the rejuvenated, skeletal muscle cell, and a use of the cell.

Worm robot

The utility model discloses a worm robot, it includes, and is right from the lock tube, including last from the lock tube with down from the lock tube, go up from the lock tube under with the auto -lock put in all to be provided with be used for overlapping the through -hole of creeping on the column, go up and all to be provided with a trapezoidal circular structure from the both ends of lock tube from the lock tube under with, from the lock ball, trapezoidal circular structure is with last from the lock tube, all be provided with from the lock ball in the cavity of lock tube formation down,the topside length that is greater than above -mentioned trapezoidal circular structure from the diameter of lock ball to the base length that is lighter than trapezoidal circular structure from the diameter of lock ball, it realizes the auto -lock in order to provide sufficient frictional force to have enough big coefficient of friction from the lock ball, crank link mechanism, crank link mechanism's ...

Doxorubicin liposome derivatives and preparation method thereof

The invention relates to doxorubicin liposome derivatives. The structure of the doxorubicin liposome derivatives is shown below, wherein R may be a monostearoyl glyceryl ester group, phosphatidylethanolamine group, 1,2-distearoylphosphatidylethanolamine group, 1,2-dihexadecylphosphatidylethanolamine group, 1,2-dimyristoyl-sn-glycero-3-phosphoethanolamine group, 1,2-dilauroylphosphatidylethanolamine group, 1,2-dioleoylphosphatidylethanolamine group, 1,2-didierucoylphosphatidylethanolamine group or 1-palmitoyl-2-oleoylphosphatidylethanolamine group. The doxorubicin liposome derivatives have higher surface activity and emulsifying performance, and can spontaneously form emulsification structure in water to form micelle or microemulsion like dispersion, namely a medicinal liposome. The medicinal liposome can be taken by injection or oral administration. The liposome compound bonded by covalent bond can be hydrolyzed by in-vivo esterase to release prototype medicine to give full play medicinal ...

Offshore floating type carbon dioxide storage and methanol preparation equipment and use method thereof

The invention provides offshore floating type carbon dioxide storage and methanol preparation equipment and a use method thereof. A CO2 seabed storage and methanol preparation unit comprises a liquid CO2 receiving unit, a liquid CO2 storage unit, a CO2 liquid feeding unit, a CO2 metering unit, a CO2 injection unit, a CO2 heating unit and a supercritical CO2 injection manifold unit. The device comprises a hydrogen receiving and storage unit, a gas compression unit, a methanol synthesis unit, a methanol rectification and liquefaction unit, a liquid methanol storage unit, a nitrogen generation unit and a liquid methanol output unit. According to the method, a large amount of supercritical CO2 can be stably stored in a seabed abandoned oil field, green hydrogen produced by abandoned wind and electricity of an offshore wind field is fully utilized, resource reutilization of methanol preparation through CO2 hydrogenation is achieved, particularly, operation can be carried out in abandoned oil ...

Technique for preparing wollastonite ultrafine powder from calcium silicate hydrate

FMRI dynamic brain function sub-network construction and parallel connection SVM weighted recognition method

The invention discloses an fMRI dynamic brain function sub-network construction and parallel connection SVM weighted recognition method which comprises the steps that (1) data are preprocessed; (2) the time series of each brain area is extracted; (3)interested brain areas are selected; (4) dynamic brain function sub-networks of all the brain areas are constructed; (5) all the sub-network classifiers are trained; (6) values are assigned to all sub-classifiers to form parallel connection SVM classifiers; (7) unknown samples are classified. Compared with a traditional static function network, information on the time dimension is added on the constructed dynamic brain function networks; prior knowledge is combined for constructing dynamic sub-networks on different interested brain areas, and the feature dimensions are reduced while useful information is reserved; SVM classifiers of all the sub-networks are trained, the parallel connection SVM classifiers is formed by determining the weight ...

Three-generation space identification method based on qualitative and quantitative function evaluation

The invention discloses a three-life space identification method based on qualitative and quantitative function evaluation. A three-life space is divided into three single spaces of production, life and ecology and four composite spaces of production-life, production-ecology, life-ecology and production-life-ecology. The method comprises the following four steps: calculating a qualitative function evaluation value, calculating a quantitative function evaluation value, calculating a qualitative-quantitative function evaluation value, calculating first and last position indexes, and judging a three-generation space type, so as to recognize and divide the three-generation space, and correcting the misaligned space type by utilizing a coupling coordination degree. The method provides a theoretical basis for the research of territorial space structure and spatial layout optimization, guides the territorial space structure and spatial layout optimization, improves the rationality and scientificity ...

High-frequency quenching inductor

The invention discloses a high-frequency quenching inductor. The high-frequency quenching inductor comprises a cooling liquid inlet pipeline, a cooling liquid outlet pipeline, a first graphite block, a second graphite block and at least one hollow coil. The first graphite block is provided with at least one boss, and the second graphite block is provided with at least one matched boss. The bosses and the matched bosses are in one-to-one correspondence and are arranged symmetrically. The starting ends of the hollow coils are communicated with the cooling liquid inlet pipeline, extend to the matched bosses after winding around the bosses by one circle and are communicated with the cooling liquid outlet pipeline after winding around the matched bosses by one circle. Portions, respectively winding around the bosses and the matched bosses, of the hollow coils are U-shaped. The high-frequency quenching inductor has the advantages that uniformity in induction quenching of components and uniformity ...

Picking robot

The invention provides a picking robot, and belongs to the technical field of picking machinery. The problems that traditional manual picking operation is low in processing efficiency, low in processing speed and poor in production safety are solved. The device comprises an executing mechanism, an adjusting mechanism and a driving mechanism, the executing mechanism is connected with the adjusting mechanism through a fixing block, the driving mechanism is connected with the bottom of the adjusting mechanism, and the executing mechanism comprises a working plate, a worm, a large worm gear, a small worm gear, two clamping jaws, a supporting assembly and a power assembly. The worm, the large worm gear, the small worm gear, the supporting assembly and the power assembly are all arranged on the end face of one side of the working plate, the other side of the working plate is connected with the fixing block, the worm is rotationally arranged on the working plate in the horizontal direction, the ...

Process for synthesizing aciform wollastonite powder by desiliconizing alkaline liquor