锚栓定位组件

Hand push base fertilizer deep placement ware

... 本实用新型是种手推底肥深施器，其特点是：它包括车架，所述车架由前至后依次排布固连独轮车轮和施肥器，开沟器置于独轮车轮和施肥器之间、与车架铰接；所述悬挂臂置于开沟器与施肥器之间、下端与开沟器铰接、上端与车架铰接；排肥筒置于开沟器后面并与开沟器固连，施肥器与排肥筒之间通过排肥管连通，传动装置的主动链轮与独轮车轮固连、从动链轮与施肥器固连。使用时，将施肥器内放入底肥，分别旋转开沟器的螺杆或悬挂臂的套筒，即可根据土壤质地状况，调整开沟深度，然后进口进行施肥，实现省力高效的目的，同时减少化肥使用量，有利于节能环保，推进可持续发展。特别适用于在山区半山区的旱田坡地上作业。 ...

Low-GI bread and preparation method thereof

The invention relates to low-GI bread and a preparation method thereof. The method comprises the following steps: S1, performing irradiation treatment on high-gluten wheat flour by using < 60 > Co-gamma rays for later use; s2, crushing tea leaves, sieving with a 40-60-mesh sieve, mixing with water according to a material-liquid ratio of 1: (5-15), soaking for 20-60 minutes at the temperature of 60-100 DEG C, filtering, and cooling to obtain tea leaf water for later use; s3, preparing dough; s4, shaping and cutting the dough; s5, fermenting the dough; s6, performing baking; and S7, cooling and packaging to obtain a finished product. According to the invention, only the high-gluten wheat flour is used as a main raw material, and the low-dose electron beam irradiation wheat flour is combined with active substances in the tea leaves to synergistically reduce the glycemic index of the bread.

Method for automatically identifying and monitoring high-cold and high-altitude surface water body based on multi-source remote sensing data

The invention provides an automatic identification and monitoring method for a high-cold and high-altitude surface water body based on multi-source remote sensing data, belongs to the technical field of monitoring, and can be applied to the field of water resource development potential and utilization ways. The technology and the method are carried out based on a Google Earth Engine (GEE) remote sensing big data cloud computing platform, and comprise the steps of calling satellite image data such as a Landsat series and various data set products; calculating indexes such as a normalized vegetation index (NDVI), a normalized water body index (NDWI), an improved normalized water body index (mNDWI) and an enhanced vegetation index (EVI); the invention further discloses a surface water body type distinguishing method based on the water body frequency. The spatial-temporal change process of the surface water body in the area can be rapidly and accurately monitored, so that the change condition ...

DUAL PHASE COLUMN MEMBRANE PROTEIN MICRO-REACTOR AND USE THEREOF

The present invention relates to a dual phase column membrane protein micro-reactor which can achieve acidic and alkalinity displacements for a reaction system; the micro-reactor uses a cation exchange material and an anion exchange material as stationary phases, the two stationary phases being sequentially filled into the same container, and can achieve sample pretreatment processes of trapping in situ, pH displacement, reduction, alkylation, enzymolysis of the membrane protein sample. The device has advantages of a high recovery rate, being simple, efficient, fast and so on.

鱼缸内置虹吸排水辅助装置

GLUTAMINE SYNTHETASE GENE AND USE

Provided in the present invention is a new glutamine synthetase gene, wherein same has the nucleotide sequence as shown in SEQ ID NO: 8. Also provided in the present invention is a eucaryotic expression vector comprising the glutamine synthetase gene. The glutamine synthetase gene provided by the present invention can be used for promoting the expression of a protein of interest and the screening of highly expressed cell lines in a GS gene amplification system.

STERILIZATION APPLICATION OF EUGENOL/CLOVE OIL FOR PATHOGENIC BACTERIA ON SOFT TISSUE

Disclosed by the present invention are a sterilization application of eugenol/clove oil to pathogenic bacteria on soft tissue, wherein the pathogenic bacteria include pseudomonas aeruginosa, staphylococcus aureus, staphylococcus albus, staphylococcus citreus, group A streptococcus, group B streptococcus, candida albicans, and escherichia coli. Examined is the lowest sterilization concentration of eugenol/clove oil for pathogenic bacteria existing in soft tissues, and the application value thereof in sterilization on soft tissues.

CODON OPTIMIZATION METHOD BASED ON IMMUNE ALGORITHM

A codon optimization method based on an immune algorithm. The codon optimization method is characterized in that: local multi-target optimization and global multi-target optimization are performed respectively on a protein coding sequence by sequentially using an immune algorithm and a genetic algorithm; the sequence is fine-tuned and optimized by using an exhaustion method, so as to find an optimal expression sequence to the greatest extent. In the present invention, the characteristic of the random global parallel search of the genetic algorithm is kept, and premature convergence is voided to a great extent, and quick convergence to an optimal global solution is ensured. In the present invention, by combining the accuracy and efficiency advantages of the immune algorithm and the genetic algorithm for the first time, codon optimization is performed by using a step-based process (local optimization, global optimization and fine-tuned optimization), the high efficiency of the algorithm for ...

Automatic feed conveying device for agricultural livestock breeding

The utility model is applicable to the technical field of feed conveying devices, and provides an automatic feed conveying device for agricultural livestock breeding, a connecting plate is arranged above a base, and one end of the connecting plate is rotatably connected with the upper surface of the base through two hinge seats; a containing groove is further formed in the upper surface of the end, away from the two hinged seats, of the base, an electric telescopic rod is vertically installed in the containing groove, the output end of the electric telescopic rod is slidably connected with the lower surface of the connecting plate, and a conveying mechanism is further fixedly connected to the upper portion of the connecting plate through a plurality of installing blocks; by arranging the electric telescopic rod, a worker can conveniently and freely adjust the lifting angle of one end of the conveying mechanism according to working requirements, feed of different heights can be conveyed ...

Mass spectrum fragmentable chemical cross-linking agent based on trehalose and preparation and application thereof

The invention relates to a preparation method of a chemical cross-linking agent with trehalose as a skeleton structure and a mass spectrometry method of the chemical cross-linking agent in the proteome field. The cross-linking agent disclosed by the invention has the following characteristics: 1) trehalose is taken as a basic framework, so that the water solubility and the biocompatibility of the cross-linking agent are improved, disturbance to organisms is reduced, and the spatial configuration of protein is favorably maintained; and 2) a glycosidic bond mass spectrum fragmentation site is provided, and the mass spectrum fragmentation energy and the peptide bond mass spectrum fragmentation energy have selectivity difference, so that high-selectivity fragmentation can be realized, the mass spectrum complexity and the search space are greatly reduced, the search efficiency is improved, and high-throughput and high-sensitivity analysis of the cross-linked peptide is realized. The trehalose ...

Method for detecting stability of non-emulsified daily chemical product

The invention provides a non-emulsified daily chemical product stability detection method, and belongs to the technical field of daily chemical product detection. The method for detecting the stability of the non-emulsified daily chemical product comprises the steps that multiple light scattering testing is conducted on a to-be-tested sample before and after a sample pool containing the to-be-tested sample is subjected to heat-resisting treatment and/or cold-resisting treatment, and the to-be-tested sample is the non-emulsified daily chemical product. According to the method for detecting the stability of the non-emulsified daily chemical product, the stability of the non-emulsified daily chemical product under the heat-resistant and cold-resistant conditions can be accurately detected, the detection time of the method for detecting the stability of the non-emulsified daily chemical product is shortened, and the detection efficiency is improved.

Nano-liposome transporter for delivering cross-linking agent to intracellular mitochondria as well as preparation and application of nano-liposome transporter

The invention relates to a nano-liposome transporter for delivering a cross-linking agent to intracellular mitochondria as well as preparation and application of the nano-liposome transporter. According to the method, a nano-liposome transporter with an intracellular targeting carrying function is designed and prepared, the nano-liposome transporter and cells are jointly incubated and then endocytosed by the cells to reach mitochondria, a chemical cross-linking agent is released in situ, and protein complex information of the mitochondria or other membrane structure layers is captured in situ. And then, extracting proteins and compounds thereof by utilizing a protein extraction method based on an ionic liquid or a protein extraction method based on a sodium dodecyl sulfate (SDS) surfactant, and after sample pretreatment, carrying out in-situ analysis on the protein compounds of mitochondria or proteins in cell membranes and mitochondrial membrane structures on a whole-cell proteome level ...

Catechol drug target identification method based on oxidation crosslinking and boron affinity enrichment

The invention relates to a novel method for screening catechol drug targets. According to the method, high-activity electrophilic o-quinone generated after oxidation activation of catechol and a nucleophilic amino acid side chain are subjected to a covalent reaction so as to fix the interaction between a drug and target protein, and then a drug-target compound is separated and enriched by using the principle that phenylboronic acid is specifically combined with 1, 2-diol; and carrying out quantitative analysis on the enriched sample through a liquid chromatography-mass spectrometry system so as to realize cell in-situ target screening and identification of catechol drugs. According to the method, drugs do not need to be modified, cell in-situ target identification can be achieved, the target identification accuracy is high, the practical applicability is high, and an effective tool is provided for identification of interaction proteins of catechol micromolecules widely existing in natural ...

METHOD FOR REMOVING FROM A SOLUTION SAMPLE IONIC LIQUID CONTAINING LONG ALKYL CHAINS

A method for removing ionic liquid containing long alkyl chains, comprising the following steps: a) alkalizing a solution containing ionic liquid (pH≥8); b) using a cation exchange material as an adsorbent to remove ionic liquid containing long alkyl chains; c) collecting the solution after removal of ionic liquid. The method can amply remove from a solution sample ionic liquid containing long alkyl chains, has the advantages of simplicity, efficiency, and rapidity, and also has broad prospects for application in proteomics, polymer chemistry, and liposome metabolomics.

Oil field is with novel computer of checking card of keeping secret

... 油田用新型保密打卡计算机。能解决目前油田使用的计算机均没有保密设备以及没有记录设备的问题。包括计算机本体，所述计算机本体USB插口处设有凹槽，USB插口设在凹槽中，凹槽上铰接有盖体，盖体上与铰接处相对的端开有锁槽，凹槽内与锁槽对应的侧壁上开有开口，锁舌端从开口穿出，另端与活动铁板连接，计算机本体内的活动铁板处设有电磁铁，电磁铁的供电输入端与控制电路连接，所述计算机本体内的活动铁板两端处开有滑槽，活动铁板两端设有与滑槽配合的滑块，滑块设在滑槽中；所述控制电路的控制输入端连接有指纹识别器。耗材量少使得成本低廉、结构简单、操作及使用方便且实用性强。 ...

Method for enriching cell surface mediated tau protein diffusion receptors

The invention provides a novel method for discovering a mediated tau endocytosis receptor by modifying biotin (biotin) on a microtubule associated protein tau. The invention finds that tau protein can be ingested by hippocampal neuronal cells HT22 of mice. And carrying out silver staining after enrichment by virtue of StreptAvidin-Biotin, so as to observe a difference band. And further identifying a differential protein candidate through mass spectrometry. The research result of the invention provides an effective method for discovering the receptor protein mediating tau diffusion.

Method for analyzing functional information of marine microorganisms in marine sample

The invention relates to a method for analyzing functional information of marine microorganisms in a marine sample, which comprises the following steps of: obtaining a mass spectrum RAW file based on liquid chromatography-mass spectrometry, and combining a peptide fragment sequence obtained by metagenome sequencing, a database obtained by user-defined configuration or a multi-source database such as a published database and the like as a metaproteome data search database; a database is split according to species classification grades, sub-databases are reduced through methods such as iterative search and the like, then the sub-databases are merged, qualitative and quantitative analysis of macro proteome is carried out by utilizing proteome search analysis software, and function annotation is carried out based on a public database by utilizing function annotation software. Proteome quantitative analysis software screens different environmental difference proteins, and deeply excavates community ...

Underground water monitoring and sampling device applied to hydrogeology

The invention discloses an underground water monitoring and sampling device applied to hydrogeology, and relates to the technical field of underground water monitoring in the field of hydrogeology. The device comprises a base, a flowing groove is formed in the base, a swinging part is hinged to the upper portion of the flowing groove, a mounting part is arranged at the bottom of the swinging part, a transmission part is arranged on the outer side of the mounting part, a display part is arranged on the transmission part, a sampling part is arranged in the middle of the mounting part, and a handheld part is further hinged to the hinged position of the swinging part. A blocking part is arranged at the tail end of the handheld part in a swinging mode. When the ball mechanism floats in water, the ball mechanism can drive the hinged swing component to rotate integrally, and the rotation triggers early warning for water gushing judgment; the sampling component is arranged on the floating ball ...

Alarm device

... 本实用新型公开了种报警装置，属于通讯装置领域。该报警装置包括报警装置主体和设置在报警装置主体下侧的信号发射器，报警装置主体沿高度方向设置有击发通孔，击发通孔与信号发射器的信号发射键相对应设置，击发通孔内设置有处于压缩状态的击发报警弹簧，在报警装置主体上设置有触发装置；击发报警弹簧在触发装置未被触发时下端通过阻挡件阻挡，阻挡件在触发装置被触发时由于触发装置的带动位于击发通孔的外面，击发报警弹簧在触发用于发出信号报警的所述信号发射键之后处于未被压缩的状态。由于本实用新型提供的报警装置采用手机报警方式报警信号受环境影响小；手机采用电池供电，可根据电池的电量实现长时间的潜伏。 ...

Integrated melt-blowing equipment for mask production

The utility model relates to the technical field of melt-blowing equipment, and discloses integrated melt-blowing equipment for mask production, which comprises a support plate, a plurality of support legs are symmetrically mounted at the bottom of the support plate, and a conveying cylinder is fixedly mounted in the middle of the top surface of the support plate. According to the integrated melt-blowing equipment for mask production, a first rotating shaft and a second rotating shaft rotate in the conveying barrel and the feeding barrel correspondingly, the first rotating shaft and the second rotating shaft rotate to drive a threaded push plate and a conical push plate which are fixedly installed on the outer sides of the first rotating shaft and the second rotating shaft to rotate correspondingly, and therefore added raw materials can be pushed; the raw materials are sprayed out from the interior of the spray head after being heated by the heating mechanism, and a threaded push plate ...

Atrial fibrillation ablation post-operation advanced recurrence risk prediction device and system and storable medium

The invention provides an atrial fibrillation ablation post-operation advanced recurrence risk prediction device and system and a storable medium, and relates to the field of intelligent medical treatment. The equipment is used for executing the advanced recurrence risk prediction method after the atrial fibrillation ablation operation. The method comprises the following steps: acquiring electrocardiogram data of a patient receiving the atrial fibrillation ablation operation; judging whether the patient experiences ultra-early relapse or not based on the electrocardiogram data, wherein the ultra-early relapse refers to atrial fibrillation of the patient within 7 days after operation; the atrial fibrillation load of the patient suffering from the ultra-early recurrence is calculated, wherein the atrial fibrillation load refers to the percentage of the total duration of atrial fibrillation attack in the total monitoring duration; an advanced recurrence risk result is output based on a relationship ...

APPLICATIONS OF EUGENOL/CLOVE OIL IN INHIBITING ORAL CONDITIONAL PATHOGENIC BACTERIA

Applications of eugenol/clove oil in preparing a medicament for inhibiting oral conditional pathogenic bacteria. The oral conditional pathogenic bacteria comprise Pseudomonas aeruginosa, Staphylococcus aureus, Staphylococcus albus, Staphylococcus citreus, group A streptococcus, group B streptococcus, and Candida albicans. A multiple dilution method is employed for the measurement of the minimum inhibitory concentration (MIC) of each bacterium. The minimum concentration of eugenol/clove oil without visible opacity in a liquid medium test tube to the naked eye is the MIC of the oral conditional pathogenic bacterium. With Pseudomonas aeruginosa, Staphylococcus aureus, Staphylococcus albus, Staphylococcus citreus, group A streptococcus, group B streptococcus, and Candida albicans serving as objects, the MIC of eugenol/clove oil with respect to common conditional pathogenic bacteria in the oral cavity is observed, and the application value of same in terms of oral bacteriostasis and disinfection ...

Document conversion method and related device

The embodiment of the invention provides a receipt conversion method and a related device, which are used for improving the circulation convenience of an attachment in a business process. The method provided by the embodiment of the invention comprises the following steps: converting a source document into a target document according to a mapping relationship between the source document and the target document; if the target document is generated, judging whether the source document is associated with an attachment or not; if the source document is associated with the attachment, transferring the attachment associated with the source document to a page cache of an attachment panel of the target document; and loading the attachment from a page cache of the attachment panel of the target document, and displaying the target document loaded with the attachment.

EUGENOL/CLOVE OIL SUPPOSITORY USED FOR URETHRAE OR ANUS AND PREPARATION METHOD THEREFOR

A clove oil suppository used for urethrae or anus, an eugenol suppository used for urethrae or anus, and a preparation method for the suppositories used for urethrae or anus. The eugenol/clove oil suppository can effectively suppress the common staphylococcus aureus, escherichia coli and shigella dysenteriae in urinary system and digestive system. Because an eugenol/clove oil is separately used as a medicinal composition, the efficacy evaluation and even side effects of the suppositories can be easily collected for statistics in the process of application.

ASSEMBLY JIG

An assembly jig, comprising a plurality of assembly jig modules (10). The assembly jig module (10) comprises a support surface having a rectangular structure and made from steel channel, and a leg located below the support surface. Two adjacent assembly jig modules (10) are detachably connected to each other by a connecting member. The connecting member comprises a first connecting portion (1). The first connecting portion (1) comprises a shaft fixing plate (13) fixed to a first steel channel (100) of one of the assembly jig modules (10), a rotating shaft (12) rotatably disposed on the shaft fixing plate (13), and an L-shaped first connecting plate (11) fixedly connected to the rotating shaft (12). Two pressing screws are perpendicularly disposed on the first connecting plate (11). The two pressing screws respectively abut an outer surface and an inner surface of a second steel channel (200) of the other assembly jig module (10), to press the second steel channel (200) against one side ...

High-resistance throwing object pneumatic membrane resistance-reducing and lift-increasing structure

The invention provides a high-resistance throwing object pneumatic membrane resistance reducing and lift increasing structure which comprises a bullet head air bag module and a bullet body air bag module. The inflatable membrane drag reduction and lift augmentation structure has the advantages of being light in weight, small in folding size, low in use cost, reusable, rapid to unfold and the like, an inflatable membrane drag reduction thought is adopted, the static stable state of the high-resistance throwing object is changed into the static unstable state by locally optimizing the appearance of the high-resistance throwing object, the resistance of the high-resistance throwing object during flight in the air is reduced, and the flying speed of the high-resistance throwing object is increased. Under the condition that the overall gravity center position is not changed, the position of the pneumatic center is changed to change the poor maneuverability of the high-resistance throwing object ...

Shrimp meat and shrimp strips with low hard core rate and preparation method of shrimp meat and shrimp strips

The invention firstly provides the shrimp meat and shrimp strips with low hard core rate and the preparation method thereof, and the shrimp meat and shrimp strips comprise the following components in parts by weight: 5-25 parts of pure shrimp meat, 15-35 parts of cassava starch, 10-30 parts of edible corn starch, 2-13 parts of egg protein powder, 1-8 parts of enzymolysis oat powder, 0.01-0.06 part of papain, 0.01-0.07 part of cellulase, 0.2-1.7 parts of yeast powder, 20-40 parts of water and 1-8 parts of white granulated sugar. The pure shrimp meat, cassava starch and other components are used, so that the product is crisper in taste and lower in hard core rate. A multi-healthy-raw-material mixed formula is matched with a non-deep-frying baking technology, no extra additive is added, ingredients are cleaner, the health attribute is higher, and the sensory experience of the product is better.

Device cultivated in a pot that can supply water automatically

... 本实用新型公开了一种可自动供水的盆栽装置，可以针对不同的盆栽提供不同的水量需求，且结构简单、易于制作而且操作方便，可在盆栽浇水不及时的时候对植物进行补水，不用频繁进行浇水操作，适用范围较广。上述可自动供水的盆栽装置包括：盆体、设置于盆体内的承重架、多个承重板和供水装置，供水装置包括：支承台，覆设于承重架上，多个承重板平行设置于支承台下，支承台上设有第一通孔和多个第二通孔；进水管，进水管通过第一通孔伸入盆体的底部；多棱台，设置于支承台上；至少一个水芯，每个水芯的中部设置于多棱台上，每个水芯的两端通过多个第二通孔伸入盆体底部。 ...

Floating-assisting and resistance-reducing inflatable membrane material for vehicle and manufacturing method thereof

The invention provides a floating-assisting and resistance-reducing inflatable membrane material for a vehicle and a manufacturing method thereof, the inflatable membrane material adopts a three-layer composite structure, and consists of an outer wear-resistant layer, a middle reinforcing layer and an inner contact layer; wherein the outer anti-abrasion layer is made of butadiene rubber, the middle reinforcing layer is formed by stranding, weaving and winding high-strength carbon fibers, the inner contact layer is made of nitrile rubber, and the middle reinforcing layer is bonded with the outer anti-abrasion layer and the inner contact layer through epoxy resin. The inflatable membrane material is prepared by adopting a soft core method. According to the method, the bursting strength of the membrane material can be greatly improved, and the technical problem that under the high-speed and high-sea condition, the wave slapping load is close to the inflation pressure of the inflatable membrane ...

Deep coverage proteomics quantitative method based on a1 ions

The invention relates to a deep coverage proteomics quantitative method based on a1 ions. The method comprises the following steps: pretreating a biological sample by using proteome to obtain an enzymolysis peptide fragment, labeling the peptide fragment by using a dimethyl reagent, carrying out two-dimensional or more than two-dimensional separation, and carrying out data acquisition by using multiple mass ranges and optimized mass spectrum parameters, spectrogram information in a high-quality range is extracted, qualitative analysis is carried out by means of a search engine, and a1 ion strength in a low-quality range is extracted for quantitative analysis. According to the method, the discrimination effect on high-quality terminal ions in the acquisition process of a detector and the signal covering of high-abundance a1 ions on low-abundance ions are avoided, so that the covering depth is improved. The method can realize deep coverage quantitative analysis of proteome samples with high ...

HIGH-THROUGHPUT BODY FLUID PROTEIN SAMPLE PRETREATMENT APPARATUS AND APPLICATION THEREOF

A high-throughput body fluid protein sample pretreatment apparatus. The apparatus is a system integrating high-abundance protein removal from body fluids (plasma, serum, and urine), and medium- and low-abundance protein online denaturation and reduction, desalting, and on-line enzymolysis, and comprises: a high-abundance body fluid protein removal antibody column (3), a cluster type high temperature denaturation and reduction device, a cluster-type solvent displacer, and an immobilized enzyme reactor (12). High-abundance proteins are first removed from a body fluid protein sample by means of the antibody column (3); then the eluted medium- and low-abundance proteins are then subjected to online and rapid denaturation and reduction by the cluster-type high-temperature denaturation and reduction device; the denaturing agent and the reducing agent are removed by means of the cluster-type solvent displacer; finally, online enzymolysiss is conducted by the immobilized enzyme reactor (12), and ...

EUGENOL ORAL ULCER MEMBRANE AND PREPARATION METHOD THEREFOR

Disclosed in the present invention is a eugenol oral ulcer membrane, which comprises the following raw materials in parts by weight: 0.2-0.6 parts of eugenol, 0.2-5.5 parts of polyvinyl alcohol, 0.01-3.5 parts of sodium carboxymethyl cellulose, 0-1 part of glycerin and 10-100 parts of distilled water. Further disclosed in the present invention is a method for preparing the eugenol oral ulcer membrane. By adopting the present invention, an oral mucosal wound surface may be effectively protected for a long time so as to prevent secondary infection. The present invention acts swiftly on a lesion site, while having anti-bacterial, anti-inflammatory, anesthetic, analgesic, and healing-promoting effects.

Ventilation unit is used to maize inn

... 本实用新型种玉米栈子用通风装置，它包括连接框架，其特点是：还包括通风管，所述通风管的端为插接端、另端为承接端，通风管的插接端沿周分割为若干个弧形段，至少个弧形段口边设置钩端向外的挂钩；通风管的承接端向外扩径、设置与挂钩对应的槽；通风管的插接端穿装在通孔内、挂钩挂接在连接框架上。平时，拆下通风管以减少空间，使用时，先向玉米栈子内装入部分玉米，再将通风装置置于玉米栈子中间，选择通风管的方向，按下通风管固连有挂钩的弧形段、将其穿装在连接框架内，对于没有连接通风管的通孔，移动挡杆至通孔处，防止玉米进入连接框架内，继续向玉米栈子内装入玉米。 ...

PREPARATION METHOD FOR CONCHIOLIN, AND WATER-SOLUBLE CONCHIOLIN AND ACID-SOLUBLE CONCHIOLIN PREPARED BY USING METHOD

Disclosed are a preparation method for conchiolin, and water-soluble conchiolin and acid-soluble conchiolin prepared by using the method. The preparation method comprises the following steps: 1) grinding pearls into pearl powder; 2) carrying out water bathing on the nanometer pearl powder by using deionized water, carrying out ultra-high pressure homogenization and low-temperature centrifugation to acquire a water-soluble pearl extract a and a precipitate, and washing the precipitate by using an ethanol solution for two to four times; 3) dissolving the obtained precipitate by using weak acid at a certain temperature, stirring at a low speed to carry out a reaction, and taking a supernatant to serve as an acid-soluble pearl extract b by means of low temperature centrifugation; 4) respectively desalting the water-soluble pearl extract a and the acid-soluble pearl extract b; and 5) after the desalting, freeze-drying the water-soluble pearl extract a and the acid-soluble pearl extract b to ...

Method for preparing jujube polysaccharide by utilizing dynamic high-pressure microjet technology

The invention discloses a method for preparing jujube polysaccharide by utilizing a dynamic high-pressure microjet technology. The preparation method comprises the following steps: denucleating jujubes, drying, carrying out superfine grinding to obtain jujube powder, extracting by an ultrasonic-assisted hot water method, concentrating an extracting solution, carrying out alcohol precipitation, and freeze-drying to obtain jujube crude polysaccharide; purifying the jujube crude polysaccharide solution through a macroporous resin AB-8 column and a DEAE cellulose DE-52 column in sequence; and carrying out dynamic high-pressure microjet treatment on the purified jujube polysaccharide solution, concentrating, and freeze-drying to obtain the jujube polysaccharide. The developed jujube polysaccharide is low in particle size and molecular weight, high in thermal stability and higher in antioxidant activity.

CHINESE MEDICINAL COMPOSITION FOR TREATING WIND-HEAT COMMON COLD AND PREPARATION METHOD AND APPLICATION THEREOF

Disclosed are a Chinese medicinal composition for treating a wind-heat common cold and a preparation method and application thereof. The Chinese medicinal composition is prepared by: 400 - 800 parts by weight of honeysuckle, 400 - 800 parts by weight of trollflower, 100 - 300 parts by weight of gentiana dahurica fisch flower, and 700 - 1,300 parts by weight of isatis root; or 400 - 800 parts by weight of a honeysuckle extract, 400 - 800 parts by weight of a trollflower extract, 100 - 300 parts by weight of a gentiana dahurica fisch flower extract, and 700 - 1,300 parts by weight of an isatis root extract. The honeysuckle extract, the trollflower extract, the gentiana dahurica fisch flower extract and the isatis root extract are an ethanol extract, a water extraction and ethanol precipitation extract or a purified product of the two extracts obtained via a macroporous resin column.

MULTI-PROTEIN QUANTITATION METHOD BASED ON EQUIPONDEROUS DIMETHYLATION MARKING

A multi-protein quantitation method based on equiponderous dimethylation marking. By means of a property that a dimethylation reaction has different rates on an amino group at a peptide N-terminal and an amino group on a lysine side chain at a peptide C-terminal, dimethylation marking of the peptide N-terminal and the C-terminal in an acid condition and an alkaline condition is implemented one after another; and multiple marking of a peptide sample is implemented by means of organic combination of a variety isotope forms of a dimethylation marking reagent. First-order spectrum mass-to-charge ratios of the peptide after multiple marking are completely the same, the mass-to-charge ratios of second-order spectrum fragment ions are different, and multiple quantitative analysis is carried out by extracting the corresponding second-order spectrum fragment ions. The method has the advantages: the quantitative accuracy is high, the precision is good, the dynamic range is wide, and simultaneous ...

SNAP TYPE FILTER BOTTLE

A snap type filter bottle, comprising: a bottle body (2), a bottle cap (1) sealing a bottle mouth of the bottle body is disposed on the bottle body (2), and a filter material (3) is filled inside the bottle cap (1), the bottle cap (1) being provided with a water inlet (11) and a water outlet (12), and an upper part of an outer wall of the bottle body (2) has a neck ring (21) protruding outwardly in a radial direction, and the bottle cap (1) movably and cooperatively sleeves the bottle mouth of the bottle body (2) and is locked and fixed via a locking collar (5), and the external wall of the bottle cap (1) has a ring of steps (13) protruding outwardly in a radial direction; a junction part of the bottle cap (1) and the bottle body (2) are sealed via a sealing ring (4); edges of an upper side and a lower side of the locking collar bent inwardly, and a bent part of the upper edge abuts a top surface of the steps (13) on the outer wall of the bottle cap (1), and the bent part of the lower edge ...

PREPARATION METHOD FOR PIRFENIDONE PVA HYDROGEL AND PIRFENIDONE PVA HYDROGEL

A pirfenidone polyvinyl alcohol (PVA) hydrogel and a preparation method therefor. The preparation method comprises the following steps: dissolving pirfenidone in ethanol to form a saturated solution; mixing and dissolving with a polyvinyl alcohol aqueous solution having a mass fraction of 20% to obtain a mixed solution; loading the mixed solution in a circular mold and placing in a precision temperature control cold trap refrigerator to freeze for 6h for molding, the freezing temperature being from -30°C to -15°C; removing the mold to thaw at room temperature for 2h; then repeatedly freezing and thawing 2-5 times to obtain the pirfenidone PVA hydrogel.

Functional two-dimensional material, preparation thereof and plasma membrane proteome enrichment method

The invention discloses a novel plasma membrane protein enrichment method based on a functional two-dimensional material. According to the method, cell surface functionalization is achieved through a functional two-dimensional material by utilizing the characteristics of cell surface net negative charges and phospholipid bimolecular structures, and then plasma membrane separation and purification and plasma membrane protein selective enrichment are achieved. The functional two-dimensional material has the advantages of good biocompatibility, strong ductility and multiple active metal ion sites, can be uniformly dispersed to the cell surface, and has hydrophobic, electrostatic and coordinated interaction with the phospholipid bimolecular layer at the same time, so that efficient enrichment of plasma membranes is ensured. And a high-resolution and high-sensitivity liquid chromatography-mass spectrometry system is further combined, so that qualitative and quantitative analysis of the plasma ...

Platbridge bougainvillea speetabilis planting substrate and preparation method thereof

The invention belongs to the technical field of overbridge engineering greening, and discloses an overbridge bougainvillea speetabilis planting substrate and a preparation method thereof. The planting substrate for the Pougainvillea speetabilis comprises the following components in parts by volume: the particle size is 1t; the fertilizer is prepared from, by weight, 15-30 parts of garden waste compost products with the particle size of 5-20 mm, 25-35 parts of garden waste compost products with the particle size of 5-20 mm, 20-30 parts of garden waste compost products with the particle size of 20-35 mm, 20-30 parts of yellow mud The problem that garden waste compost products are not suitable for planting bougainvillea speetabilis due to too high pH is solved, and meanwhile, under the condition that non-renewable resources such as peat and turf are not added, the finished product matrix has good porosity and excellent air permeability and water retention performance by regulating and controlling ...

A granary corn Chu electric unloading

... 本实用新型公开了一种可电动卸粮的玉米储粮仓，包括：仓盖；仓壁，其为网状结构，其四周设置有竖直支撑框架；仓底，其包括第一支撑部、第二支撑部及传送带，第一支撑部及第二支撑部分别与仓壁底端连接，第一支撑部及第二支撑部与仓壁共同围成储粮空间；其中，第一支撑部及第二支撑部设置成向下倾斜，并且在第一支撑部及第二支撑部之间设置用于将玉米传送至出粮口的传送带；支柱，其与支撑框架连接，用于支撑储粮仓。本实用新型具有自动化程度高、操作便捷、卸粮效率高及极大的节约劳动成本等特点。 ...

METHOD AND DEVICE FOR TESTING TRAFFIC PRESSURE

Provided in the present application are a method and a device for testing traffic pressure. The method comprises: receiving a first test instruction, the first test instruction comprising a test type; generating a second test instruction according to the first test instruction, the second test instruction comprising a first terminal identifier, test content and test time; sending, by means of a wireless connection, the second test instruction to a first terminal corresponding to the first terminal identifier, so that the first terminal completes a traffic test according to the second test instruction. Thereby, the present invention completes traffic pressure test of a base station by way of wireless control, reducing the cost of the traffic pressure test, and improving the flexibility and accuracy of the traffic pressure test.

Preparation process method of anti-tumor oral liquid

The invention discloses a preparation process method of an anti-tumor oral liquid, and relates to the technical field of medicines, the preparation method comprises the following steps: S1, pretreating a marsdenia tenacissima extract, taking 1000g of marsdenia tenacissima medicinal material after pretreatment, cleaning, adding 7-9 times of tap water, soaking for 12 hours, and then carrying out water extraction and alcohol precipitation; the preparation process method of the anti-tumor oral liquid comprises the following steps: extracting effective components of a marsdenia tenacissima medicinal material, extracting a decoction through three times of decoction, refrigerating the decoction, concentrating, mixing with a mixed aqueous solution of sucrose and sodium benzoate, filtering, filling, sterilizing and the like to obtain the anti-tumor oral liquid. And the Xiaoaiping oral liquid preparation prepared by the process is good in process stability and reliable in quality, and can be clinically ...

Method and device for suppressing commutation failure of LCC-VSC hybrid direct current at receiving end

The invention discloses a method and a device for suppressing a commutation failure of a hybrid direct current with a receiving end being an LCC-VSC (Low Current Converter-Voltage Source Converter). The method comprises the following steps: when a short-circuit fault occurs in a receiving-end alternating-current power grid or the voltage drop of the power grid occurs, calculating the voltage drop of an alternating-current conversion bus connected with the LCC according to the detected voltage of the alternating-current conversion bus; switching the reactive power control mode of the VSC to reactive power clamping control under the condition that the voltage drop of the alternating current conversion bus is greater than a preset voltage difference threshold value; and under the condition that the voltage drop of the alternating current conversion bus is smaller than or equal to the voltage difference threshold value, the reactive power control mode of the VSC is kept unchanged.

RADIO BEARER CONFIGURATION METHOD AND DEVICE

Disclosed are a radio bearer (RB) configuration method and device, the method comprising: a base station receives a message transmitted by a UE, the message being used to instruct the base station to configure the RB; before the completion of the RB configuration, the base station transmits to the UE the response message of the message. The present invention solves the problem of long ATTACH time delay in the relevant art, and in turn shortens the ATTACH time delay.

METHOD FOR PRETREATING PROTEIN IN EX VIVO BODY FLUID

A method for pretreating a protein in ex vivo body fluid, comprising: extracting a protein from ex vivo body fluid (blood, urine, etc.) at a low temperature by means of a high molecular polymer solution at a ratio; adding a surfactant of a concentration and a protein reducing agent of a concentration to quickly denature the protein at a high temperature; adding a solid phase alkylating reagent that may quickly react with a protein sulfhydryl, the reagent selectively reacting with the sulfhydryl on the protein, and after centrifugation, repeatedly washing the surface of a solid phase particle to remove other interfering small molecules (such as sugar, salt, surfactant, lipid, etc.) to obtain a high-purity protein; and finally, adding a protease for enzymolysis of the body fluid protein into peptides, and analyzing, by means of a liquid chromatography-mass spectrometry system, the product obtained after centrifugation. Compared with a conventional body fluid protein pretreatment method, the ...

METHOD FOR SEPARATING AND PREPARING PEARL EXTRACT FROM PEARLS

A method for separating and preparing a pearl extract from pearls comprise the following steps: 1) pulverizing pearls to a nanometer scale, then adding deionized water, and micro-emulsifying pearl powder by means of cooperation of a pressure and a temperature; 2) then performing electrodialysis on a pearl powder emulsion, placing the deionized water in a concentrated water pool, placing the pearl powder emulsion in a fresh water pool, and performing cyclic decalcification and separation to obtain a calcium salt-containing solution and a pearl protein solution; 3) using the obtained calcium salt-containing solution as soluble edible calcium or a soluble edible calcium raw material; 4) adding a phosphate buffered saline into the obtained pearl protein solution to form a homogeneous mixture; and 5) first performing pre-processing, then placing the liquid mixture into a reaction vessel to carry out an enzyme-catalyzed reaction, killing enzyme in a boiling water bath centrifugally after the ...

Protein complex in-situ analysis method based on active oxygen response carrier

The invention relates to a protein complex in-situ analysis method based on an active oxygen response carrier. According to the method, an active oxygen response group is introduced into a polymer, and a cross-linking agent is loaded by using the polymer, so that the site-specific released active oxygen response chemical cross-linking agent carrier is prepared. Co-incubating the active oxygen response chemical cross-linking agent carrier and cells, and enabling the carrier to reach a specific part in the cells through cell endocytosis; or the active oxygen response chemical cross-linking agent carrier is intravenously injected into a living mouse body and permeates into specific tissues or organs through blood circulation. Under the stimulation of high-concentration active oxygen in a microenvironment at a specific part, the polymer of the carrier responds to carry out rapid and fixed-point release of the cross-linking agent and in-situ cross-linking of the protein compound. The method ...

Preparation method and application of chitosan-based composite organic ionic liquid gel electrolyte

The invention provides a preparation method and application of a chitosan-based composite organic ionic liquid gel electrolyte, and the chitosan-based composite organic ionic liquid gel electrolyte is prepared by taking a mixed solution of an ionic liquid and an organic solvent as an electrolyte solvent and chitosan as a high-molecular polymer and adding inorganic nanoparticles. The gel electrolyte can be widely applied to supercapacitors. The preparation method has the characteristics of low preparation cost, wide applicable temperature range of the electrolyte, high ionic conductivity and good mechanical property; in addition, the preparation process is simple, and industrial popularization is easy.

Ready-to-eat mashed shrimp leisure snack with elastic texture and preparation method of ready-to-eat mashed shrimp leisure snack

The invention provides an instant mashed shrimp snack food with elastic texture and a preparation method thereof, and the preparation method comprises the following steps: S1, treating raw material shrimps: shelling fresh shrimps to obtain shrimp meat, and cleaning the shrimp meat with water at 0-4 DEG C; s2, vacuum pickling: putting the shrimp meat obtained in the step S1 into a low-temperature vacuum pickling machine at 0-4 DEG C, and pickling the shrimp meat with concentrated lemon juice and emblic leafflower fruit juice for 20-30 minutes; s3, freezing: washing the pickled shrimp meat with water at 0-4 DEG C, and performing cryopreservation for later use; s4, unfreezing: unfreezing the shrimp meat frozen in the step S3; s5, fine-mixing: grinding the thawed shrimp meat and Chinese yam into paste, adding egg white, hypsizigus marmoreus powder, table salt, white granulated sugar and chicken essence, and performing fine-mixing; s6, forming: putting the fine-mixed shrimp meat into a mold ...

Azalea trifoliate flowering stage regulation and control method

The invention belongs to the technical field of plant growth state monitoring and regulation, and provides an azalea rugosa flowering period regulation method, which comprises the following steps: setting monitoring points at different positions in an azalea rugosa planting area; collecting chlorophyll content data and illuminance data of the Rhododendron acanthopanax at each monitoring point; the green locking time of each monitoring point in the previous day is calculated in sequence; marking all to-be-humidified points according to the green locking time of the monitoring point in the previous day; and humidifying the rhododendron acanthopanax at the to-be-humidified point. The point with the difference value of the illuminance with the minimum difference in all the monitoring points exceeding the light overload limit is used as the to-be-humidified point, the monitoring points where the leaves of the rhododendron acanthopanax can be dewatered and yellowed easily due to the fact that ...

Membrane protein variant identification method based on Top-down strategy

The invention relates to a membrane protein variant identification method based on a Top-down strategy. In the method, a cell or tissue sample is split and then subjected to ultra-high-speed centrifugation to obtain a hydrophobic component containing membrane protein. And carrying out molecular weight-based grading on the obtained hydrophobic component by using a gel elution liquid phase component interception electrophoresis technology, and carrying out an organic solution precipitation method to obtain a membrane protein precipitate. After the obtained membrane protein precipitate is dissolved, efficient separation of the complete membrane protein is realized by using an organic silicon hybrid monolithic column, and then Top-down proteomics identification is performed by using an orbitrap high-resolution mass spectrum. According to the method, a stable membrane proteome top-down identification process is established aiming at the problems that complete membrane protein is difficult to ...

Method for detecting ecdysone content and related substances

The invention discloses a method for detecting the content of ecdysone and related substances, which adopts reversed-phase high-performance liquid chromatography, and the detection wavelength is 254nm; an ultraviolet or diode array detector is adopted; the column temperature is 25 DEG C; the flow rate is 1.1 ml/min, and the diluent is water and acetonitrile in a ratio of 50: 50 (%); v/v); the mobile phase is divided into a mobile phase A and a mobile phase B; a mobile phase A is composed of water and 0.1% trifluoroacetic acid, and a mobile phase B is composed of acetonitrile and 0.1% trifluoroacetic acid; the elution procedure is as follows: in 0-30 min, the mobile phase A is changed from 90% to 70%, and the mobile phase B is changed from 10% to 30%; 30 to 32 minutes, keeping the ratio of the mobile phase A to the mobile phase B unchanged; from 32 min to 32.1 min, the mobile phase A is changed from 70% to 20%, and the mobile phase B is changed from 30% to 80%; from 32.1 min to 35 min, the ...

Auxiliary treatment medicine of liver cancer medicine, application of auxiliary treatment medicine and medicine mixture for treating liver cancer

At present, most tumor treatment schemes are operation excision adjuvant chemotherapy, and chemotherapy drug resistance has become an important factor affecting prognosis of tumor patients. The invention provides a novel liver cancer treatment method for enhancing liver cancer cell drug sensitivity by inhibiting FADS2. The invention finds that the expression quantity of FADS2 in liver cancer drug-resistant cells is up-regulated, survival analysis shows that high expression of FADS2 is related to poor prognosis of liver cancer, and inhibition of FADS2 can significantly enhance the drug sensitivity of liver cancer cells, thereby achieving the purpose of treating liver cancer. The research result of the invention not only provides a theoretical basis for clinical treatment of liver cancer, but also can provide a new drug target for development of liver cancer drugs.

Suspension type centrifuge belt tensioning controlling means that does all can

... 一种悬吊式离心分离机皮带张紧力控制装置，该装置利用可以在分离机机身上水平滑动的电动机支架和弹簧压缩后的回弹力，在分离机工作过程实现皮带自动张紧，有效防止由于皮带的松弛而产生的打滑现象；该装置可以通过显示弹簧压缩量的指示螺钉位置，准确调整皮带张紧力的大小，同时还具有限位功能，可限制转鼓上方皮带轮的径向晃动位移量，提高分离机的运转稳定性。 ...

Rhizoma bletillae polysaccharide plant soft capsule and preparation method thereof

The invention relates to the technical field of soft capsule shell preparation, and particularly discloses a rhizoma bletillae polysaccharide plant soft capsule and a preparation method thereof.The preparation method comprises the following steps that S1, carrageenan-rhizoma bletillae polysaccharide plant soft capsule shell is prepared, and a shell sample is obtained; s2, determining the disintegration time limit of the rubber sample prepared in S1 through an intelligent disintegration tester, and recording the time required for complete disintegration of the rubber sample; according to the preparation method, carrageenan and rhizoma bletillae polysaccharide are compounded to prepare a novel plant soft capsule shell, process parameters are optimized by utilizing a response surface method, and an optimal process formula of the carrageenan-rhizoma bletillae polysaccharide soft capsule shell is obtained, so that the prepared plant soft capsule shell is close to newly prepared gelatin shell ...

Sunscreen cosmetic and preparation method thereof

The invention provides a sunscreen cosmetic and a preparation method thereof, and belongs to the technical field of cosmetics. The sunscreen cosmetic is prepared from 5wt%-20wt% of microspheres, 0.1 wt%-1wt% of a thickening agent and 10wt%-30wt% of a sunscreen agent. According to the sunscreen cosmetic, the microspheres with the contact angle of 105-120 degrees and the amphiphilic thickening agent are compounded, dispersion of the powder is facilitated, a water-oil interface can be stabilized without adding an emulsifying agent, a stable emulsifying system is formed, and the safety risk caused by adding the emulsifying agent is eliminated. Meanwhile, the microspheres and the thickening agent can improve the absorption rate of the sun-screening agent to UV rays, the sun-screening index of the sun-screening cosmetics is improved under the condition that the addition amount of the sun-screening agent is not changed, and the problems of safety, spreadability and the like caused by the fact ...

Gold-metal oxide composite nano-enzyme, preparation and application thereof, and antitumor drug

The invention provides an anti-tumor gold-metal oxide composite nano-enzyme which is a nano-enzyme which takes a gold nano-material as a carrier and is loaded with a metal oxide. The gold-metal oxide composite nano-enzyme has photo-thermal and photocatalytic activity, the photo-thermal activity can generate a heat effect, and the photocatalytic activity can catalytically generate reactive oxygen species (ROS). Under the conditions of high temperature and high active oxygen, heat can destroy the cell structure of tumor cells, the active oxygen can oxidize biological macromolecules such as nucleic acid, protein and lipid, and finally, the heat and the active oxygen synergistically promote apoptosis or necrosis of the tumor cells. According to the invention, folic acid is modified by gold-metal oxide, and tumor cells can be targeted, so that the nano compound only has great cytotoxicity to the tumor cells and can be used for treating skin cancer, liver cancer and lung cancer. The method for ...

Method for preparing low-oil high-protein duck feet through high-voltage pulsed electric field

The invention relates to a method for preparing low-oil high-protein duck webs by a high-voltage pulsed electric field. The method comprises the following steps: A, pickling: pickling cleaned duck webs; b, high-voltage pulse electric field treatment: performing high-voltage pulse electric field treatment on the pickled duck feet in the step A; c, marinating: marinating the duck feet treated in the step B; d, performing low-temperature soaking: performing low-temperature soaking on the marinated duck feet in the step C; e, drying: drying the soaked duck webs in the step D; f, material stirring: uniformly mixing the duck feet prepared in the step E with a stirring material; g, sterilizing: sterilizing the duck webs treated in the step F. Compared with traditional duck webs, a low-temperature soaking process is added, and a high-voltage pulsed electric field treatment process is utilized, so that the prepared sweet and spicy duck webs are low in oil content and high in protein content, and ...

Color-protecting and brittleness-keeping preparation method of instant lotus root slices

The invention discloses a color-protecting and brittleness-keeping preparation method of instant lotus root slices. The preparation method comprises the following steps: S1, pretreatment of raw materials: cutting clean lotus roots, raking, and peeling; s2, slicing and blanching: washing the lotus roots treated in the step 1 to remove starch on the surfaces, slicing, transferring into boiling water for boiling, fishing out, and putting into ice water for cooling; s3, color protection: soaking the cooled lotus root slices in a GABA solution, and performing high-voltage pulse electric field treatment after soaking; s4, mixing and pickling: mixing the lotus root slices prepared in the step S3, and pickling the lotus root slices at low temperature; the mixing materials comprise salt, sugar, monosodium glutamate and chili oil; and S5, packaging and sterilizing: performing vacuum sealing on the lotus root slices prepared in S4, sterilizing, and cooling to obtain the instant lotus root slices.

Ultrasonic pretreatment duck wing root and preparation method thereof

The invention relates to an ultrasonic pretreated duck wing root and a preparation method thereof. The method comprises the following steps: A, unfreezing and cleaning the duck wing root; b, performing ultrasonic treatment on the chicken wing roots; c, performing vacuum pickling on the treated duck wing roots; d, marinating the pickled duck wing roots; e, stir-frying the auxiliary materials to prepare syrup; f, putting the marinated duck wing roots into the fried syrup, uniformly stirring, and baking; g, mixing the duck wing roots prepared in the step E with a mixing material, and uniformly stirring; and H, packaging and sterilizing the duck wing roots treated in the step F to obtain the honey roasted duck wing roots. Compared with traditional honey roast duck wing roots, a marinating and boiling process is added, an ultrasonic pretreatment process is utilized, the prepared honey roast duck wing roots are high in yield and light in earthy smell, the problems that the yield is low, and meat ...

A seedling stage cold-proof cover

... 本实用新型公开了一种苗期防寒罩，包括：第一罩体，其设置为底端开口的空心圆柱体；顶部通气孔，其设置于所述第一罩体的顶端；固定环，其呈圆环状，固定设置于所述第一罩体的底部，所述固定环上沿圆周方向设置有若干固定孔，以将所述固定环于土地相固定；第一通气孔，其设置于所述第一罩体的侧壁上。本实用新型安装过程简单，并且能够调节保温、光照。通风性能。本实用新型提供的苗期防寒罩能够很好地解决植物苗期易受冻害的问题，使用苗期防寒罩后可比常规提早5－10天播种，平均能使农作物提早上市7天。 ...

Lithology identification method

The embodiment of the invention discloses a lithology identification method, and the method comprises the steps: drawing a first spider diagram based on a plurality of logging curves; carrying out standardization and normalization processing on the plurality of logging curves to obtain a corrected logging curve; lithology category division is carried out based on the lithology fraction, and a second spider diagram corresponding to each lithology category is acquired based on the logging data; determining a lithology division boundary based on the second spider diagram; and performing lithology identification based on the first spider diagram, the corrected logging curve and the lithology division boundary. Through the lithology identification method provided by the embodiment of the invention, the lithology can be rapidly determined, the coincidence rate is high, and the problem that when only a small amount of rock cores, slices and logging data exist, the lithology standard is difficult ...

Phosphoric acid-enriched chemical cross-linking agent as well as preparation method and application thereof

The invention relates to a phosphoric acid-enriched chemical cross-linking agent as well as a preparation method and application thereof, and belongs to the technical field of organic synthesis. The cross-linking agent has the following functional characteristics: 1) the cross-linking agent is provided with a phosphoric acid enrichment unit, so that high-flux and high-sensitivity identification of cross-linked peptide is realized; 2) the catalyst has a succinimide ester structural unit, and the reaction conditions are mild and efficient; 3) a photoreaction active group is provided, so that the dynamic structure of the protein and the rapid capture of interaction information are realized; 4) the molecules contain phosphate groups and sodium sulfonate units, so that on one hand, the hydrophilicity of the cross-linking agent is improved, and on the other hand, the membrane permeability of the cross-linking agent is inhibited; and (5) a polyethylene glycol (PEG) chain is introduced into a molecular ...

Risk level prediction device and computer storage medium

The invention discloses a risk level prediction device and a computer storage medium, and the device comprises a first obtaining module which is used for obtaining the physiological index data of a target object, and the physiological index data comprises first index data and second index data; the first prediction module is used for predicting a first risk value of the target physiological indication of the target object according to the first index data by using a first prediction model, and determining an initial risk level corresponding to the target object according to the first risk value; the first determination module is used for determining a second prediction model corresponding to the initial risk level under the condition that the initial risk level is greater than or equal to a preset risk level; and the second prediction module is used for predicting a second risk value of the target physiological indication of the target object according to the second index data by using ...

Mass spectrum imaging detection method for compound containing o-dihydroxyl functional group in tissue

The invention provides a mass spectrum imaging detection method for a compound containing o-dihydroxyl functional groups in tissues and application of the mass spectrum imaging detection method, and belongs to the technical field of mass spectrum detection. The method at least comprises the following steps: spraying an oxidation reagent solution and a derivatization reagent solution on the surface of a prepared tissue slice, placing the tissue slice in a closed environment containing saturated organic solvent gas for incubation, and obtaining a derivatization product of an o-dihydroxyl functional group compound after the reaction is finished; and carrying out matrix spraying on the derivatized tissue slice, and then carrying out MALDI mass spectrum imaging analysis. According to the method, the detection sensitivity of the compound containing the ortho-dihydroxyl functional group in the tissue can be effectively improved, and visual analysis of the compound containing the ortho-dihydroxyl ...

Auxiliary supporting device for postoperative patient

The invention relates to a postoperative patient supporting auxiliary device which comprises a base and a storage box located at the top of the base, a supporting plate is hinged to the top of the base, an angle adjusting device is installed on the inner side of the base, an upper bed body is arranged at the top of the supporting plate, and an inner box body is installed on the inner side of the upper bed body; fixing plates are connected to the front end and the rear end of the inner box body correspondingly, sliding grooves are formed in the inner sides of the two fixing plates correspondingly, and a servo motor is installed on the outer side of the fixing plate on the rear side. According to the postoperative patient supporting auxiliary device, a servo motor drives a linkage rod to rotate, so that a first adjusting piece is driven to rotate, a second adjusting piece is pushed to move, a mounting head on the outer side of a transmission rod of the second adjusting piece relatively slides ...

Method for extracting active ingredients from plants and plant extract

The invention provides a method for extracting active ingredients from plants. The method comprises the following steps: (1) obtaining plant A cell sap; (2) taking a plant raw material B to be extracted, crushing the plant raw material B to a proper particle size, extracting by taking plant A cell sap as an extraction solvent, and performing solid-liquid separation to obtain a liquid extract; the plant cell sap is used as a solvent for extracting plant raw materials, so that the plant cell sap is completely used as the solvent, and no extra solvent is added in the whole extraction process. The inventor accidentally finds that compared with ultrapure water, the plant cell liquid can extract active ingredients in plants in a high-selectivity mode and has higher oxidation resistance.

Ecological environment-friendly irrigation device and irrigation method thereof

The invention relates to the technical field of garden irrigation, in particular to an ecological environment-friendly irrigation device and an irrigation method.The ecological environment-friendly irrigation device comprises a base, a circulating moving assembly is fixedly connected to the upper portion of the base, a fixing table is fixedly connected to the top of the circulating moving assembly, and an adjusting assembly is fixedly connected to the top of the fixing table; the side face of the circulating moving assembly is fixedly connected with a detection assembly, and the front side of the circulating moving assembly is fixedly connected with a controller. When the device is used, a first hydraulic rod is started to drive a connecting disc to move up and down, the connecting disc drives a rotating rod below the connecting disc to move, a spraying pipe rotates with a rotating shaft as the center, the spraying area is adjusted, water is evenly irrigated, it is guaranteed that the soil ...

Dance exercise display rotating device

The utility model relates to the technical field of dance exercise devices, in particular to a dance exercise display rotating device which comprises a device body, a guardrail, a machine box and a base plate, a motor is fixedly installed in the machine box, a storage battery is fixedly installed on one side of the motor, and a single-chip microcomputer is fixedly installed on the other side of the motor. A sound box is fixedly installed on one side of the single-chip microcomputer, a rotating shaft is installed at the bottom of the machine box, auxiliary sliding wheels are fixedly installed on the outer side of the rotating shaft, a base plate is fixedly installed at the top of the rotating shaft, a guard bar is fixedly installed on the outer side of the base plate, and a fixing cylinder is fixedly installed in the center of the top of the base plate. Through the arrangement of the rotating shaft and the base plate, when the equipment is used, the rotating shaft is driven to rotate through ...

Preparation method of low-stiff-seed-rate broad beans

The present invention relates to a low stiff seed rate broad bean preparation method, which comprises: A, soaking selected broad beans in clear water at a room temperature until the surfaces of the broad beans have no wrinkles and completely swell; b, cutting and freezing the marinated beans prepared in the step A until the marinated beans are completely frozen; c, putting the marinated beans prepared in the step B into clear water again, and unfreezing the marinated beans at normal temperature under the assistance of ultrasonic waves until no obvious hard beans exist; and D, firstly performing microwave treatment on the marinated beans prepared in the step C, and then performing deep-frying, deoiling and seasoning processes to obtain the marinated beans with the low stiff seed rate. Compared with the traditional technology of the broad beans, the processing technology has the advantages that the processes of freezing, ultrasonic unfreezing and microwave treatment are added, the link of ...

Detection method of SARS-CoV-2 S1 protein

The invention relates to a detection method of an SARS-CoV-2S1 protein. In the method, the SARS-CoV-2S1 protein is subjected to a pretreatment mode of solution enzymolysis to obtain an S1 peptide fragment, a C18 chromatographic column is utilized to realize sample separation, and an orbitrap high-resolution mass spectrum is used for data acquisition. The method comprises the following steps: firstly, carrying out data acquisition on an S1 peptide fragment sample under a data dependence mode (DDA) of a mass spectrum, selecting 6-10 high-strength specific peptide fragments with more peptide fragment matching spectrogram numbers (PSM), and constructing a peptide fragment library of a parallel reaction monitoring mode (PRM); and finally, identifying the SARS-CoV-2S1 protein according to the constructed PRM peptide fragment library. The technology can realize high-sensitivity and high-precision detection of the SARS-CoV-2S1 protein, is expected to become an important supplement method of nucleic ...

Construction method for gas cylinder confluence centralized gas supply in engineering construction

The invention relates to the technical field of engineering construction, in particular to a construction method for gas cylinder confluence centralized gas supply in engineering construction. Carrying out construction lofting; building a centralized gas supply room; a busbar is installed; mounting a pressure gauge, a tempering valve and a pressure reducing device; laying and welding pipelines; carrying out a closed-air test; and acceptance. The method has the following beneficial effects that the gas cylinder gas supply mode is simple and easy to construct, gas is centrally supplied at a storage point in a busbar mode, and a gas supply pipeline adopts a seamless steel pipe with the diameter phi of 20 mm to convey gas to a designated area. According to the invention, the isolation between a workplace and the gas cylinder is realized, the potential safety hazard in the use process is fundamentally solved, the safety is ensured, the replacement efficiency of the gas cylinder can be improved ...

Photoactivation reagent, preparation method thereof and application of photoactivation reagent in mitochondrial proteome marking and identification

The invention discloses a photoactivation reagent as well as a preparation method and application thereof. The photoactivation reagent has a structural formula shown as a formula I: X-Y-Z formula I; wherein X is a mitochondrial targeting group; y is a connecting arm; z is a photosensitive group; the mitochondrial targeting group is connected with the photosensitive group through a connecting arm. The photoactivation reagent provided by the invention is high in mitochondrial proteome targeting property and good in biocompatibility, enrichment in mitochondria is realized by utilizing high potential difference inside and outside a mitochondrial membrane, singlet oxygen can be generated under irradiation of visible light, and non-specific reaction before the reagent reaches a target organelle is avoided.

Antioxidation fruit juice beverage and preparation method thereof

... 本发明涉及种抗氧化果汁饮料，所述抗氧化果汁饮料包括糖、浓缩红葡萄汁、浓缩山楂汁、浓缩石榴汁、浓缩蔓越莓汁、浓缩黑加仑汁、浓缩桑椹汁、浓缩黑胡萝卜汁、酸度调节剂、食用香精、果胶、抗性糊精和水。本发明利用饮料产品的大众消费特征，将具有抗氧化功能的天然果汁和膳食纤维进行搭配，并通过高温瞬时杀菌技术杀菌并保持其风味和营养，使产品具有抗氧化效果，同时具有调理肠胃的作用，常温货架期达到12个月。 ...

Graphene self-heating breathable warm-keeping composite fabric and preparation method thereof

The invention discloses a graphene self-heating breathable warm-keeping composite fabric and a preparation method thereof. The graphene self-heating breathable warm-keeping composite fabric comprises an outer layer, a functional fabric layer and an inner layer, the outer layer is a waterproof layer; the functional fabric layer is a graphene self-heating fabric; and the inner layer is a skin-friendly fabric. The preparation method comprises the following steps: firstly, preparing graphene modified fibers, then blending the graphene modified fibers into a fabric, blending silk, bamboo fibers and cotton fibers into a skin-friendly fabric, compounding the skin-friendly fabric with a blended fabric through a lamination compounding process, laminating a waterproof layer with the other side of the blended fabric, and then carrying out hot rolling compounding. And finally, cleaning and drying the rolled and compounded fabric to obtain the graphene self-heating breathable warm-keeping composite ...

Method for detecting multi-target protein in engineering strain MVA way based on MRM technology

The invention relates to a method for rapidly detecting multi-target protein in an engineering strain mevalonic acid (MVA) pathway based on a multi-reaction monitoring (MRM) technology. The method comprises the following steps: firstly, establishing an MRM collection method by using the targeted peptide fragment; preparing the target peptide fragment standard substance into at least more than five different concentrations, acquiring data by using a liquid chromatography-mass spectrometry technology and an MRM method, and drawing a standard curve by taking a concentration value and a peak area as horizontal and vertical coordinates respectively; an enzymolysis peptide fragment solution is obtained from an engineering strain sample by adopting a conventional proteomics sample pretreatment process, mass spectrum data acquisition is performed by utilizing a liquid chromatography-mass spectrometry technology and an MRM method, and then protein quantification is performed by utilizing an external ...

High-efficiency multi-wavelength photo-crosslinking instrument for photo-crosslinking of biological sample and application of high-efficiency multi-wavelength photo-crosslinking instrument

The invention discloses an efficient multi-wavelength crosslinking instrument for biological sample photo-crosslinking and application. The crosslinking instrument comprises an illumination unit, a biological sample cooling unit, a numerical control unit, an illumination processing unit and a biological sample platform, the illumination unit comprises a light source; the illumination processing unit comprises a detachable filter, and the filter is located between the light source and the biological sample platform; the biological sample cooling unit is used for cooling the biological sample platform; the numerical control unit is respectively connected with the illumination unit and the biological sample cooling unit; the filter is a single-wavelength filter. The device has the functions of multi-wavelength, high energy, low heat, accurate regulation and control and the like, the multi-wavelength light source provides a high-energy-density light beam to ensure the cross-linking reaction ...

Comparison and selection method and device for multi-terminal flexible direct current planning scheme

The invention discloses a comparison and selection method and device for a multi-end flexible direct current planning scheme. The method comprises the steps of determining operation modes of a multi-end flexible direct current receiving end power grid under different conditions; in various operation modes, calculating short-circuit current of a flexible direct current drop point near-region substation site under different flexible direct current planning scheme access conditions of a receiving end power grid; according to the short-circuit current, respectively counting standard-exceeding site data sets of different flexible direct current planning schemes in each operation mode; and calculating a scheme index of each standard-exceeding site data set, and according to the scheme indexes, obtaining an optimal scheme in different planning schemes of the multi-terminal flexible direct current. And the risk that the short-circuit current of the near-region power grid exceeds the standard after ...

Colloidal crystal chromatographic column and preparation and application thereof

The invention relates to a colloidal crystal chromatographic column as well as a preparation method and application thereof. According to the method, submicron silicon balls with uniform particle size are used as colloidal particles, hydrophobic functional group modification is carried out, the colloidal crystal chromatographic column with a three-dimensional ordered structure is self-assembled in a capillary tube through gravity settling and ultrasonic-assisted ultrahigh pressure, and the colloidal crystal chromatographic column is applied to separation of protein and peptide fragments. The preparation method has the following advantages: (1) the preparation method disclosed by the invention is good in universality, colloidal particles with different structures and surface modification can be assembled by adopting the method, and the colloidal particles can be prepared in capillary tubes with different inner diameters; and (2) the chromatographic column obtained by the method is small ...

Vehicle inflatable membrane floating-assisting and resistance-reducing airbag carrying system

The invention provides a vehicle inflatable membrane floating-assisting resistance-reducing air bag carrying system which comprises a vehicle head air bag module and a vehicle body air bag module. The bicycle head air bag module comprises a bicycle head air bag storage barrel, a bicycle head air bag, a folding nose cone, a bicycle head air bag inflation control unit, a gas generator and an inflation assembly. The vehicle body airbag module comprises a vehicle body airbag storage barrel, a vehicle body airbag, a vehicle body airbag inflation control unit, an unfolding motor, a recovery motor, a sliding rail, a fixed guide wheel, an unfolding cable, a gas generator and a relief device, and an inflation assembly, and the vehicle head airbag module and the vehicle body airbag module jointly form a catamaran type drag reduction structure suitable for underwater navigation. The carrying layout basically does not influence the land use performance of the vehicle, one-key automatic operation can ...

SNP (Single Nucleotide Polymorphism) molecular marker related to breast muscle rate of meat type duck and application of SNP molecular marker

The invention relates to the field of biotechnology and poultry breeding, and particularly discloses a molecular marker related to the breast muscle rate of a meat type duck and application of the molecular marker, the molecular marker comprises a G-A single nucleotide polymorphism (SNP) mutation site, and the SNP mutation is located at the 140666858 site of a duck chromosome 1 NC051772.1. The mutation site obviously influences the breast muscle rate of the meat type duck, wherein the breast muscle rate of the AA genotype is obviously higher than the breast muscle rates of the GG genotype and the GA genotype; molecular marker-assisted selection is carried out by utilizing the site, so that the breeding efficiency of the breast muscle rate of the meat duck can be improved, and the breeding process of meat ducks is accelerated.

Rectum and anus distraction device

The invention relates to the technical field of medical instruments, in particular to an anorectum distraction device which comprises a base and a massage column arranged on the base, the massage column is arranged in a bendable mode, a driving assembly used for driving the massage column to rotate is arranged on the base, and the massage column is used for stretching into the anus. The driving assembly is used for synchronously driving the massage column to rotate and driving the massage column to bend back and forth for rectum massage. Through the arrangement of the driving assembly, the driving assembly can drive the massage columns to bend in a reciprocating mode and can drive the massage columns to rotate at the same time, and therefore the massage effect of the anus distractor on the intestinal wall of the rectum of the patient is better.

Nursing sputum aspirator convenient to clean

The invention discloses a nursing sputum aspirator convenient to clean, and relates to the technical field of medical instruments, the nursing sputum aspirator comprises a sputum aspiration cup, a piston is slidably connected to an inner cavity of the sputum aspiration cup, the piston divides the inner cavity of the sputum aspiration cup into a first chamber and a second chamber from top to bottom in sequence, and a reciprocating lifting mechanism is arranged at the upper end of the sputum aspiration cup; the reciprocating lifting mechanism is in transmission connection with the piston, a liquid outlet pipe is installed on the upper left portion of the outer surface of the sputum suction cup, a sputum receiving cup is installed at the other end of the liquid outlet pipe, a liquid inlet pipe is installed on the lower right portion of the outer surface of the sputum suction cup, and a second connecting pipe is jointly installed on the liquid outlet pipe and the lower left portion of the outer ...

Equipment for extracting effective components in plants

The invention discloses equipment for extracting effective components in plants, which comprises an extraction tank, a driving motor is mounted at the upper end of the extraction tank, a power output shaft of the driving motor extends into the extraction tank and is connected with a stirring disc, and a plurality of ultrasonic vibration rods are mounted downwards on the stirring disc; the lower end of the extraction tank is communicated with a discharge channel, a filter screen cylinder with a filter membrane on the inner wall is arranged in the discharge channel, and the side wall of the filter channel is connected with a discharge pipe; a concentration tank and a drying disc are arranged in the vacuum drying box; a condensation cylinder is arranged at the upper end of the liquid storage tank, a spiral condensation pipe is arranged in the condensation cylinder, the lower end of the spiral condensation pipe is communicated with the liquid storage tank, the vacuum drying box is connected ...

Rolling type agricultural land improvement cart

The invention relates to the technical field of land improvement, in particular to a rolling type agricultural land improvement cart. The invention provides a rolling type agricultural land improvement cart capable of fully mixing fertilizer and soil. A rolling type agricultural land improvement cart comprises a cart body, an axle, wheels and the like. An axle is rotatably mounted on the vehicle body, wheels are mounted on the axle, a motor is mounted in the vehicle body, a belt pulley is connected between the motor and the axle for transmission, the soil turning device comprises mounting plates, a soil inlet shovel and the like, the mounting plates are symmetrically arranged on the outer side of the vehicle body, and a first rotating shaft is rotatably connected between the mounting plates. The soil inlet shovel is mounted on the first rotating shaft; an inclined plate is arranged at the bottom of the vehicle body. According to the invention, the fertilizer can be uniformly added into ...

Multi-time scale energy storage power station frequency modulation control method and system

The invention provides a multi-time-scale energy storage power station frequency modulation control method, belongs to the technical field of power system energy storage power station frequency control, and provides a primary frequency modulation and secondary frequency modulation coordinated multi-time-scale control technology aiming at the problems that the primary frequency modulation stabilization time of an energy storage system is short and the theoretical value of primary frequency modulation cannot be reached when an accident occurs. After the primary frequency modulation action of the energy storage power station, secondary frequency modulation ACG is started in a delayed mode, and the starting criterion is delta fgt; the frequency is 0.033 Hz; adjusting the SOC of each energy storage unit according to the energy storage charging power prediction, the load power prediction and the corrected next-day scheduling discharging plan; and determining power output of each energy storage ...

Fertilizing method for promoting filling and filling of vulnerable grains of densely-planted corn

The invention relates to the technical field of agricultural planting, in particular to a fertilizing method for promoting filling and filling of vulnerable grains of densely-planted corn. The fertilizing method comprises the steps of base fertilizer application and topdressing application. The application amount of the base fertilizer is as follows: 50%-70% of nitrogen fertilizer with recommended nitrogen application amount, 90%-110% of phosphorus fertilizer with recommended phosphorus application amount and 90%-110% of potassium fertilizer with recommended potassium application amount; the base fertilizer comprises an organic fertilizer and a chemical fertilizer, and the application amount of the nitrogen fertilizer in the organic fertilizer accounts for 40-100% of the application amount of the nitrogen fertilizer in the base fertilizer; the application amount of the additional fertilizer is 30-50% of the recommended nitrogen application amount of the nitrogen fertilizer. The fertilizing ...

Fluid filtering device and system and using method thereof

The invention provides a fluid filtering device and system and a using method thereof.The fluid filtering device comprises a filter cylinder, a filter plate assembly, a filter inlet and a filter outlet, the filter inlet and the filter outlet are formed in the filter cylinder, and the filter plate assembly comprises at least two filter plates; the at least two filter plates are sequentially and obliquely arranged in the filter cylinder from the filter inlet to the filter outlet, and the included angle between the filter surface of each filter plate and the horizontal plane is an acute angle, so that filtered impurities directly reach the bottom of the filter cylinder and cannot be accumulated on the filter plates; the cleaning frequency of the filter plate is greatly reduced, and a large amount of time for cleaning the filter plate is saved, so that the filtering efficiency can be improved; the diameters of the filter holes of the at least two filter plates are gradually reduced from the ...

Virtual assembly method and device, storage medium and equipment

The invention discloses a virtual assembly method and device, a storage medium and equipment. The method comprises the steps that a module assembly form input by a user is acquired; obtaining a virtual module to which each module name belongs in the module assembly form from a pre-constructed virtual module library; and according to an assembly sequence and a preset assembly rule, assembling the obtained virtual modules in sequence to obtain the virtual modules shown in the module assembly form. According to the method, on the basis of the interface coordinate system of each virtual module, according to the assembly sequence shown in the module assembly form and the preset assembly rule, each virtual module is assembled in sequence to obtain the virtual module, user participation is not needed in the whole virtual module assembly process, the labor workload is reduced, the assembly time is effectively shortened, and the assembly efficiency is improved. Therefore, the assembling efficiency ...

Rose cell sap and preparation method and application thereof

The invention discloses rose cell sap and a preparation method and application thereof, and belongs to the technical field of cosmetics. The active component in the rose cell sap comprises rose polysaccharide; the concentration of the rose polysaccharide in the rose cell sap is 3-5 mg/mL; the pH value of the rose cell sap is 4.5-6.5. The rose cell sap has relatively strong permeability, can well permeate into skin cell tissues, and strengthens the permeation and action of active ingredients. The contained rose polysaccharide can activate aquaporin AQP-3, repair the skin barrier and enhance the moisturizing and hydrating effects. In addition, the rose cell sap also has good antioxidant activity, and can achieve the repairing effect by improving tissue morphology, reducing the number of sunburn cells, inhibiting mitochondrial active oxygen and active oxygen (ROS) content and DNA damage CPD positive expression rate and increasing the content of nuclear factor E2 related factor 2, fibroin and ...

SNP (Single Nucleotide Polymorphism) site related to growth and development of melanmen ducks and application of SNP site

The invention relates to the technical field of biology, and particularly discloses an SNP (Single Nucleotide Polymorphism) site related to growth and development of a melanmen duck and application of the SNP site, the molecular marker is G-C single nucleotide polymorphism (SNP) mutation, and is located at the 100163925th site of a duck chromosome 3 NC040048.1. The mutation site obviously influences the 10-week-old body weight of the melanmen duck, and the 10-week-old body weight of a CC genotype individual is obviously higher than that of a GG genotype individual; molecular marker-assisted selection is implemented by using the site, so that the breeding efficiency of the body weight of the melanmen duck can be improved, and the breeding process of meat ducks is accelerated.

Preparation method of 2-(4-aminophenyl) butyric acid

The invention provides a preparation method of 2-(4-aminophenyl) butyric acid, and relates to the field of chemical pharmaceuticals, the preparation method is characterized in that 2-(4-nitrophenyl) butyric acid is used as a reaction raw material, formate is used as a hydrogen source, and a metal catalyst and a protonic solvent are used for reaction to prepare the 2-(4-aminophenyl) butyric acid. The method has the advantages of simple operation, no use of toxic reagents, no need of special reaction equipment, small catalyst usage amount, high reaction conversion rate and good product quality. The preparation method and the obtained 2-(4-aminophenyl) butyric acid can be used for preparing indobufen.