390results about How to "Great research value" patented technology

The invention discloses a drilling grabbing shovel type combined sampler device for planetoid detection and a use method of the drilling grabbing shovel type combined sampler device. The device comprises a feeding mechanism, a drilling mechanism, a grabbing shovel mechanism and a mounting plate. The use method comprises the following steps of (1) resetting a motor; (2) checking the motor; (3) performing sampling by a grabbing shovel motor; (4) detecting a shovel; (5) rotating a drilling rod to downwards move; (6) checking the drilling rod; (7) lifting the drilling rod; (8) checking the drilling rod; (9) performing sampling; (10) checking a sampling pipe; (11) enabling the drilling mechanism to upwards move; (12) checking a micro switch contact; (13) stopping a feeding motor; (14) checking a sampler; (15) arranging samples; (16) checking the shovel; (17) arranging the samples; (18) checking the sampling pipe; and (19) performing resetting. According to the drilling grabbing shovel type combined sampler device for planetoid detection and the use method of the drilling grabbing shovel type combined sampler device, sample collection can be realized on the surface of a planetoid, and deep sampling can be executed; bedding information of the samples can be kept; the device has the advantages of large sampling amount, various sample types, retention of original appearances of the samples and the like.

The invention discloses a rejuvenation-type repairing method of holes or depressed defects of rare old trees, comprising the steps of manufacturing a primary joint surface of a stock on the cambium part of the laburnum at the bottom of the slit of the old tree; grafting a plurality of scions on the joint surface of the stock; after surviving, manufacturing a second joint surface of the stock attaching the scions on the cambium part of the laburnum on the upper part of the slit of the old tree; finally, manufacturing third joint surfaces between the slit and the scions, and the scions, so that the broken laburnums on the holes or depressed defects of the old tree trunk are communicated again by bridge function of the scions and the substances in the tree are transported vertically and thedepressed defects are supported well; thus the old tree is saved, rejuvenated and repaired, and the unique landscape symbolic significance and carried historical and cultural significance of the old tree are continued; thus the method has research value, ecological benefit, economic benefit and social benefit.

The invention provides a method for synthesizing an aryl or heteroaryl substituted quinazoline compound. According to the method, a copper compound and an iron compound serve as a bicomponent catalyst, and o-aminobenzyl alcohol and an aldehyde compound are enabled to react in the presence of an ammonium compound, alkali, organic ligands and TEMPO (Tetramethylpiperidine Oxide), thereby obtaining the aryl or heteroaryl substituted quinazoline compound. According to the method provided by the invention, the operation is simple, and the yield and purity of the product are high, so that the method has good industrial application potential.

The invention belongs to the technical field of medicines. The invention provides an injectable medicated particle-inlaid porous composite microsphere preparation. The injectable medicated particle-inlaid porous composite microsphere preparation is prepared by the following steps: wrapping polypeptide and protein medicines or chemical medicines by using hydrophilic materials such as chitosan, collagen or albumin to form medicine-loading particles; constructing microspheres with three-dimensional (3D) porous structures by using medicated particles and porous microsphere materials; and inlaying the medicated particles in the porous microspheres. The invention also provides a preparation method of the porous composite microsphere preparation and an application of the porous composite microsphere preparation in preparation of tissue defect repair materials. The porous composite microsphere preparation provided by the invention can realize slow release of the medicines and is favorable for proliferation and differentiation of seed cells.

The invention relates to a synthetic method of 2-subsituted quinazoline compounds. In the synthetic method, copper compounds and cerium compounds are adopted to serve as bi-component catalysts, and the 2-subsituted quinazoline compounds are prepared by reacting 2-aminobenzyl alcohols with aromatic aldehyde compounds in organic solvents in the presence of ammonium sources. The synthetic method is easy to operate, high in product yield and purity, is a novel synthetic method for preparation of the 2-subsituted quinazoline compounds, and has a good industrial prospect and potential application value.

The invention discloses a multilayer and multipass welding track planning method for variable-groove-width heavy and medium plates. A line laser sensor is used for carrying out groove scanning and measuring on variable-groove-width heavy and medium plate welding parts; variable groove information is collected according to certain sampling frequency; then key information extraction and data processing are carried out on collected grooves, a variable groove center curve is finished, and irregularly-discrete variable groove data points are fitted into multiple linearly-continuous line segments; and finally according to multilayer and multipass welding parameters of the heavy and medium plates, the variable groove center curve and the fitted multi-line-segment groove data are combined, and multilayer and multipass welding track planning of the variable-groove-width heavy and medium plates is completed. The method can be used for welding track planning of variable-groove-width welding parts and is simple, good universality and high practicality are achieved, and good application prospects are achieved.

The invention provides a functionalized polyethylenimine-grafted porous nano-fiber adsorption material and preparation thereof. The functionalized polyethylenimine-grafted porous nano-fiber adsorption material is characterized by being prepared from porous polyacrylonitrile nano-fibers; the porous polyacrylonitrile nano-fibers are grafted with functionalized polyethylenimine after being hydrolyzed. After the porous polyacrylonitrile nano-fiber material is subjected to graft modification by using the functionalized polyethylenimine, the carbon dioxide adsorption performance and adsorption and desorption cycling stability of the porous polyacrylonitrile nano-fiber material are greatly improved; therefore, the porous nano-fiber high-efficient adsorption material with certain flexibility and strength can be prepared, and has great utilization potentiality in the field of adsorption.

The invention provides an SNP molecular marker related to egg weight and application of the SNP molecular marker. The SNP molecular marker corresponds to 169, 930, 974th deoxynucleotide of a Number one chromosome positive-sense strand of chicken reference genome Gallus_gallus-4.0 version sequence information issued in NCBI, wherein the nucleotide is T or G. An SNP locus is never reported before, thereby being a newly-found genetic molecular marker. The SNP molecular marker can be applied to early-stage selection of egg weight at different week ages and assisting of chicken breeding, lowering of production cost and accelerating of genetic progress can be facilitated, and the SNP molecular marker has quite high economic application value and scientific research value.

The invention discloses a method for determining parameters of a solid oxide fuel cell system, and belongs to the field of fuel cells. The solid oxide fuel cell system is analyzed in a static mode, and the tree-form classification statistical method is adopted to collect steady-state output operation points of the system in a traversal mode to form an operation point set; furthermore, the cubic convolution interpolation algorithm is used for obtaining a large number of operation point data; based on the expanded steady-state output operation point set and output feature parameters, a safety operation range meeting the system temperature restrain requirement is found out, and the optimal operation points under different power can be found out. The found system optimal operation points are the optimal parameter combination of the solid oxide fuel cell system working in a steady state and are the foundation for optimal control of the solid oxide fuel cell system, and stable and efficient operation of the system can be guaranteed.

The invention relates to an isomerous CMP (Chip Multi-Processor) static state task scheduling method. The method is characterized in that 1, all tasks conforming to task merger conditions in a DAG (Directed Acyclic Graph) are incorporated into parent tasks by using a linear cluster method; 2, the DAG is layered according to a top-to-bottom method, and the smaller the layer value is, the higher the task priority is higher; a key task has the highest priority in the tasks of the same layer, and other non-key tasks are added into a dispatching list according to the descending order of task priority weight numbers; 3, a primary task is obtained from the dispatching list for distribution, the copied tasks in a task mapping graph are subjected to redundancy detection layer by layer, and redundancy tasks in the task mapping graph are deleted; the task mapping graph from which the redundancy tasks are deleted is adjusted, and the earliest execution completion time of each subsequent task is recalculated.

The invention provides g-C3N4/Bi2O3 composite powder as well as a preparation method and application thereof. The preparation method comprises the following steps of: preparing a precursor solution by adopting Bi(NO3)3.5H2O and NH4VO3 as raw materials, and preparing cubic-phase Bi2O3 microcrystals by virtue of a hydrothermal method; then preparing g-C3N4 from urea serving as a raw material by virtue of a calcining method; and finally, mixing the g-C3N4 and the Bi2O3, adding methanol, and performing an ultrasonic reaction, thus obtaining the g-C3N4/Bi2O3 composite powder. According to the invention, the g-C3N4/Bi2O3 composite powder is prepared by combing the traditional hydrothermal method, calcining method and ultrasonic synthesis method, and the prepared g-C3N4/Bi2O3 composite powder has high absorption performance and photocatalytic performance, has high photocatalytic effect on organic pollutants under the irradiation of visible light, can be used for greatly improving the photocatalytic effect of the pure-phase Bi2O3, and has good application prospect in the aspects such as the environmental sewage treatment and the like.

A high-strength network structured nano-carrier material and a preparation method and application thereof. A nano-cellulose solution and graphene are mixed and ultrasonication is performed in an ultrasonic pulverizer to obtain a nano-cellulose/graphene suspension. The suspension with a phenolic resin adhesive is mixed and stirred to obtain a nano-cellulose/graphene/phenolic resin suspension. The nano-cellulose/graphene/phenolic resin suspension is injected into a mold. The mold is placed in a freeze dryer for freezing and vacuum dried in two stages to obtain a nano-cellulose/graphene/phenolic resin aerogel. The aerogel is preheated and cured in a muffle furnace, then subjected to a high-temperature thermal decomposition treatment in a tube furnace to obtain a nano-carrier material having a high-strength network structure. The preparation method is simple and convenient, low in cost, environmentally friendly and green. The obtained carrier material has a good water resistance and a high mechanical property, and can carry more active substances.

The invention discloses a carbon nitride nanotube and a preparation method thereof. The component of the carbon nitride nanotube is carbon nitride represented by the chemical structural formula of C3N(4+/-x). According to the preparation method, a urea solution is prepared from urea and sodium bicarbonate in a mole ratio, then the solution is cooled to be frozen wholly, and uniform white blocky solids are obtained; the white blocky solids are transferred into a vacuum freeze dryer rapidly and subjected to freeze drying under the conditions of the vacuum lower than or equal to 20 Pa and the freezing temperature lower than or equal to subzero 50 DEG C, solids are obtained through calcination in a nitrogen atmosphere furnace, a yellowish powdery sample is obtained and subjected to dialysis and purification, and the yellowish carbon nitride nanotube is obtained. The method is effective, practical and simple, is applicable to preparation in a laboratory and industrial production and has broad development space and great application prospect.

The present invention relates to a diaryl diselenide compound synthesis method, which comprises that: in the presence of an alkali and N-halosuccinimide, aryl boronic acid and elemental selenium (Se) are subjected to a reaction at a temperature of 40-80 DEG C to prepare the diaryl diselenide compound. The synthesis method has advantages of low temperature, easy process control, short reaction time, high product yield, high product purity and the like, and further has good scientific research values and good industrial prospects.

The invention relates to pawpaw and konjak healthcare jelly. The pawpaw and konjak healthcare jelly is characterized by being prepared from konjak flavor powder, carrageen, agar, pawpaw juice, cane sugar, citric acid, calcium lactate, potassium chloride and water. The making method is characterized by comprising the following steps of: respectively weighing the konjak flavor powder, the carrageen and the agar according to a formula above, respectively adding calcium lactate and potassium chloride according to the formula above, adding water, adding the pawpaw juice after cooking a mixture at 75-80 DEG for 10-15min, regulating a sugar-acid ratio, adding citric acid and cane sugar, mixing uniformly, cooling down when standing at room temperature, filling, sterilizing, and cooling down to form finished products. The novel pawpaw and konjak healthcare jelly integrally combines nutrition and flavor, meets requirements of modern consumers on health, high quality and flavor, and facilitates the wide consumer groups to be full of confidence on a jelly market. In sum, the novel pawpaw and konjak healthcare jelly has wide market development space and great research value.

The invention relates to a targeting polymer micelle containing acid-sensitive subsurface, and a preparation method thereof. The polymer micelle is in a core-shell structure. Targeting ligand molecules are grafted on a hydrophilic segment terminal of the shell, and a hydrophobic anti-tumor medicine is loaded by a hydrophobic segment of the core. An acid-sensitive response subsurface exists between the core and the shell, wherein the acid-sensitive response subsurface can load negative electricity quantum dots. When a pH value is 5.0, the acid-sensitive layer is hydrophobic; when the pH value is 7.4, the acid-sensitive layer is hydrophobic. According to the invention, with the targeting molecules, the tumor targeting function of the micelle is realized; with the quantum dots loaded on the acid-sensitive subsurface, a visualizing function is realized; with low-pH-responsibility of the acid-sensitive subsurface, a controlled-release function can be realized, and the release of the medicine can be controlled. With the micelle system provided by the invention, the release behavior of the medicine is improved, and a premature-release problem of the micelle system in blood circulation ispossible to be solved. With an internalization behavior mediated by the targeting molecules, the treatment effect of the medicine is enhanced. With the loaded quantum dots, monitoring during the treatment process can be realized.

The invention discloses an interaction method for a receiving end and a transmitting end in a radiation type wireless electrical energy transmission system. The method comprises steps that, an interaction process of information and energy for the receiving end and the transmitting end is defined, initiation, establishment and ending of charging connection can be realized through wireless communication at the receiving end and the transmitting end, compared with the electromagnetic inductance and magnetic resonance technology, the radiation type charging technology has longer transmission distance and better convenience and has great research values and application prospects, especially for the wireless sensing network, moreover, wireless charging protocol standardization based on the radiation type wireless electrical transmission technology is not only necessary in function, but also is inevitable requirement for industrial standardization.

The invention discloses an off-line-type gas bag polishing tool finisher, and relates to a gas bag polishing device. The off-line-type gas bag polishing tool finisher is high in efficiency, low in cost, easy to operate and high in reliability. The off-line-type gas bag polishing tool finisher is provided with a swing motor, a planetary reducer, a swing main shaft box, a base, a swing shaft, a gas bag main shaft box, a swing arm, a driving wheel, a belt, a rotary connector, a rotary connector support, a driven wheel, a feeding motor, a protective cover, a gas bag main shaft, a gas bag tool, a lead screw support, a grinding wheel main shaft, a finishing grinding wheel, a grinding wheel main shaft box, a lead screw, a sliding block, a swing arm supporting base, a supporting bearing, a barb frame, a barb bearing, an arc guide rail, a guide rail, a gas bag driving motor and a grinding wheel driving motor. The off-line-type gas bag polishing tool finisher can effectively improve the working efficiency of a gas bag polishing machine and meanwhile has obvious effects in the aspects of improving the finishing efficiency of the gas bag tool, improving the reliability of the finishing process, reducing the cost and the size of finishing equipment and the like.

The invention discloses an SNP molecular marker related to chicken carcass traits and application thereof in breeding, wherein The SNP molecular marker corresponds to a mutation site in the gene sequence of the chicken let-7b precursor region. 526 G) A, and the genotype of the SNP site is AA, GA and GG. The SNP molecular marker of the present invention, that is, the mutation site in the gene sequence of the chicken let-7b precursor region g. 526 G)A is a new molecular marker associated with chicken carcass traits.. The early selection of carcass traits by determining the genotype of SNP locuscan save production cost and accelerate genetic progress. It can be used in chicken breeding and has great economic value and scientific research value.