64results about How to "Promotion application value is good" patented technology

The present invention relates to a building material additive with the fanction of automatically regulating humidity, belonging to the separation field of gas or steam. Its composition contains (by weight portion) 10-70 portions of sepiolite family minerals, 2-40 portions of wood fibre, 5-40 portions of compound phosphate, 0.1-10 portions of cellulose, 2-10.5 portions of active carbon, 0-3 portions of inorganic antibacterial agent and 0-3 portions of mildew-resisting agent, and its preparation method includes the following steps: pickling sepiolite family minerals, activating and mixing all the components, making slurry, forming, roasting and breaking, etc. Said invented additive can be added into various building materials, and can effectively improve indoor environment air quality.

The invention discloses an intelligent humidity regulating fruit and vegetable box of a high-humidity refrigerator. The intelligent humidity regulating fruit and vegetable box comprises a box. An upper cover plate is arranged on the top of the box, a plurality of moisture-permeable through holes are formed in the upper cover plate, and an automatic humidity regulating functional material block is arranged on the upper surface of the upper cover plate and is positioned at the moisture-permeable through holes; a humidity regulating box covers the automatic humidity regulating functional material block, and the bottom of the humidity regulating box is connected onto the upper cover plate; an automatic regulating door is hinged to the humidity regulating box; the middle of the side, which faces the automatic regulating door, of the automatic humidity regulating functional material block is protruded to form an ejecting protrusion, a gap is reserved between the ejecting protrusion and the automatic regulating door, and a gap is reserved between the top surface of the automatic humidity regulating functional material block and the top of the humidity regulating box. The intelligent humidity regulating fruit and vegetable box has the advantages that moisture of the fruit and vegetable box can be sucked or released by the aid of moisture absorption and swelling characteristics of the automatic humidity regulating functional material block, manual operation can be omitted in humidity regulating procedures, extra energy also can be omitted, the high internal humidity of the fruit and vegetable box can be timely and effectively maintained, condensed water generated in the fruit and vegetable box can be reduced, and the fresh-keeping capacity of the fruit and vegetable box can be greatly improved.

The invention discloses a segmental combined type galloping-prevention composite phase-earth spacing rod which comprises an adjustable spacing rod body, an adjusting plate and a stay wire. The adjustable spacing rod body comprises an upper rod body, a lower rod body and a middle rod connected between the upper rod body and the lower rod body. The upper end of the upper rod body is connected with a connecting hardware fitting, the lower end of the lower rod body is connected with the adjusting plate, and insulation umbrella skirts are connected with the circumferences of the outer sides of the upper rod body and the lower rod body. The upper side of the insulation umbrella skirt of the upper rod body is connected with an end accessory, and the lower side of the insulation umbrella skirt of the lower rod body is also connected with an end accessory. The lower end of the upper rod body is connected with one end accessory and the upper end of the lower rod body is connected with one end accessory. The two ends of the stay wire are connected with the adjusting plate and the ground respectively. The segmental combined type galloping-prevention composite phase-earth spacing rod has the advantages of a phase-earth spacing rod, and can simultaneously restrain synchronous galloping and non-synchronous galloping of circuit wires.

The invention discloses a method for improving acid soil, and mainly aims to overcome the problems that the fertility of conventional acid soil is degraded and the acid soil is relatively high in acidity. The method for improving the acid soil comprise the following implementation modes: preparing biomass charcoal and mushroom residues of fine particle sizes from agriculture and forestry wastes; sufficiently and uniformly mixing the prepared biomass charcoal and mushroom residues with acid soil so as to obtain a soil mixture; performing biochemical culture on the soil mixture. According to the method for improving the acid soil, a soil improvement substance is prepared from the agriculture and forestry wastes, and with the combination of an edible mushroom production residue product, the properties of the acid soil can be improved; the soil improvement substance is simple in preparation process, simple to use, low in cost and remarkable in effect, has advantages of environmental-friendliness, low carbon, resource recycling and the like, provides a novel way for acid soil improvement, and has good social and economic benefits and popularization application values.

The invention discloses a halogen-free and heavy-atom-free room-temperature phosphorescent material as well as a preparation method and application thereof. A room-temperature phosphorescent reactionmaterial is compounded with a polymer to obtain a pure organic polymer material with a long-life room-temperature phosphorescent light-emitting characteristic; wherein the room-temperature phosphorescent reaction material is selected from one or more of acridine and derivatives thereof, acridinium salt and derivatives thereof, or acridone and derivatives thereof. The halogen-free and heavy-atom-free room-temperature phosphorescent material has a very strong luminescence property, a long luminescence service life and a wide color adjustable range at a room temperature; the raw materials are simple and easily available, and the preparation method is simple, quick, low in cost and suitable for industrial preparation and has a high actual application and popularization value. No metal elementor toxic halogen element exists, only water is used as a solvent in the whole processing process, no organic solvent is used, and the method has obvious advantages in the aspect of environmental protection.

The invention discloses a power transmission line intelligent inspection method based on an operation plan, which relates to the technical field of power transmission line inspection and comprises thefollowing steps: classifying power transmission line inspection work; defining and quantifying each hidden danger section of the power transmission line; determining a configuration strategy of videomonitoring of the hidden danger section and a grid delimiting an unmanned aerial vehicle no-fly zone; determining trigger conditions of the operation plan of each section of the power transmission line; generating an operation plan; and determining a collaborative inspection scheme of video monitoring, machine inspection and human inspection. The invention discloses an intelligent inspection method for a power transmission line. A man-machine cooperative inspection solution scheme added with video monitoring is provided for power transmission line inspection, a video monitoring configurationstrategy is disclosed while an inspection strategy is met, the technical problem of inspection of the unmanned aerial vehicle no-fly zone and important sections requiring close inspection is solved, the inspection reasonableness is improved, and the manual workload is reduced.

The invention belongs to the technical field of hydroxylamine hydrochloride, and discloses a process for preparing hydroxylamine hydrochloride by adopting an oxime acidolysis method. The method comprises the following steps: a) a raw material cache configuration process; b) an acidolysis reaction process; c) a ketoxime rectification process; d) a dehydration and drying process; e) an alcohol recycling process; and f) an acetaldehyde oximation process. By adopting the process, the process route and technical parameters of hydroxylamine hydrochloride production by methyl ethyl ketone acidolysis are optimized, a pervaporation coupling technology is applied, the product yield and quality can be improved, further improvement of the industrial technology is promoted, related industries can be driven to develop, and resource reasonable utilization can be realized.

The invention discloses an intelligent hairdressing tool, and belongs to the field of intelligent high-tech hairdressing. The system comprises an electrostatic sensor, a photographic device, an air suction device, a laser cutting device, a coin inserting device, a microcomputer control system, a touch display screen and an advanced seat, and a microcomputer controller, an automatic photographing device, a panel and a machine body are integrated, and the appearance is attractive and elegant. Compared with the prior art of hairdressing, a built-in camera can record a face of a person having hair cut into a computer system; after the person having the hair cut chooses a program, an effect picture after hairdressing is demonstrated in front of the person having the hair cut according to hair quality characteristics and the length of hair of the person through computer processing; and if the person is not satisfied, the person can continue to choose another program. The system overcomes a trouble that under an unknown condition, the person having the hair cut has to accept a new hair style. The system has the advantages that the system is accurate, rapid, safe and healthy; any hair stubbles are not reserved; and the system is convenient to use and has very good popularization and application values.

The invention relates to a monitoring system for detecting the number of accessing personnel by virtue of an infrared ray array and application of the monitoring system. The monitoring system comprises pyroelectric infrared sensors, signal processing circuits, a power supply circuit, a serial interface circuit, a single-chip microcomputer and an overload monitor. According to the monitoring system, the pyroelectric infrared sensors are utilized for acquiring infrared rays emitted by a human body when people pass through the monitoring system, judging the accessing directions of people from the vertical direction and measuring and calculating the space width occupied by the infrared rays emitted by the human body, a space width value is compared with a shoulder-width value of the human body preset in a single-chip microcomputer program to calculate the number of the accessing personnel, and the overload monitor is utilized for controlling the operation and the stopping of a construction elevator so as to realize the safe operation of the construction elevator. The monitoring system is rapid and accurate in detection result, simple in structure and strong in applicability and is convenient to mount.

The invention relates to a bridge prefabricating device adopting self-propelled line production and a method thereof. The bridge prefabricating device comprises a steel rail arranged at the bottom, wherein a trolley which can move along the steel rail is arranged on the steel rail, a reinforcement binding region, a template mounting region, a concrete pouring region, a steam curing region and a prestress tension region are sequentially arranged from the front to the back along the length direction of the steel rail, and a steam curing shed is arranged on the steel rail of the steam curing region. The bridge prefabricating device provided by the invention realizes an operation mode that construction procedures of a bridge prefabricating process are fixed and task of each working procedure is complete in regions and can improve use efficiency of tool equipment, shorten construction period, save floor space and improve bridge prefabricating efficiency, thereby having good popularization and application values and economic and social benefits.

The invention discloses a water supply pipe network leakage monitoring and early warning method based on time sequence analysis. According to the method, relevance among data coming from pressure sensors distributed in different spaces and received at different times is analyzed in real time, and leakage warning is conducted after monitoring indexes exceed threshold values. The water supply pipe network leakage monitoring and early warning method includes the following steps that firstly, a leakage pressure residual matrix and real-time pressure residual vectors are established; secondly, a space-time relevance matrix is established; and thirdly, leakage monitoring and early warning are conducted. By means of the method, under the given scanning time window length (STWL), influences of model uncertainty and measurement uncertainty can be reduced, and therefore the real-time leakage recognition rate is increased, the false alarm rate (misinformation rate) is decreased, and the water supply pipe network leakage monitoring and early warning method has important significance in improving the comprehensive performance of a leakage monitoring system.

The invention relates to a transmission line parameter estimation method based on fractional line models. The method includes 1, establishing a transmission line equation; 2, modeling a line on the basis of fractional calculus; 3, estimating parameters on the basis of a fractional model, namely estimating through nonlinear regression analysis, selecting a value adjacent to parameter true values as an initial value, allowing the range of the initial value of parameters to be estimated to be adjacent to the true values of 1*10-3 to 1*10-1, and utilizing equation errors to serve as converging conditions to perform iterative parameter estimation; about a terminal connected to optional load lines, adopting the method of simulating data, and adding noise signals with the noise ratio that SNR=8, 30dB, 10dB in ideal data. By the aid of the method, defects that the line model is limited by length are overcome, more reliable line model equations are provided for calculation relevant to line parameters in a power system, and the method has fine promotion and application value and prospect.

The invention relates to a pilot test production line and a production process of emulsion explosives. The pilot test production line comprises a water phase system, an oil phase system, a sealed emulsification system and an open emulsification system, wherein the water phase system comprises a water phase tank, a water phase filter and a water phase screw pump which are connected in sequence; the oil phase system comprises an oil phase tank, an oil phase filter and an oil phase screw pump which are connected in sequence; the sealed emulsification system comprises a sealed emulsifier motor, a sealed emulsifier and a first static mixer which are connected in sequence; the open emulsification system comprises an open emulsator motor, an open emulsifier and a second static mixer which are connected in sequence. Two mainstream production modes at present are simulated through a production line at the same time, the pilot test blank is filled, the test effect is good, and the production line has very good market prospects and popularization and application values.

The invention discloses a method for improving acid soil in a dry land, and mainly aims to overcome the problems that the fertility of conventional acid soil is degraded and the acid soil is relatively high in acidity. The method for improving the acid soil in the dry land comprise the following implementation modes: preparing biomass charcoal and mushroom residues of fine particle sizes from agriculture and forestry wastes; uniformly mixing and stirring the prepared biomass charcoal and mushroom residues with urea, a calcium magnesium phosphate fertilizer and potassium chloride so as to obtain a charcoal-based mixture; sufficiently mixing the charcoal-based mixture with the acid soil in the dry land so as to obtain a soil mixture; performing biochemical culture on the soil mixture. According to the method for improving the acid soil, the charcoal-based mixture for improving the properties of the acid soil is prepared from the biomass charcoal and mushroom residues prepared from the agriculture and forestry wastes, and conventional inorganic fertilizers; the charcoal-based mixture is simple in preparation process, simple to use, low in production cost and remarkable in effect.

The invention discloses a method and a system for assembling and filling a dynamic report formula. A computer belongs to the technical field of computers, The technical problem to be solved by the invention is how to dynamically form an inter-table formula and an in-table row formula for dynamically forming a report. According to the technical scheme, the dynamic report formula assembling and filling method comprises the following steps that S1, various configurations are conducted on a dynamic report, and manual report compiling is not needed, so that the working efficiency is greatly improved; S2, forming a cross-table formula; S3, organizing the line summation formula logic of the dynamic report; And S4, cross-table formula logic for organizing the dynamic report is formed. And (2) thedynamic report formula assembling and filling system comprises a data configuration module, a cross-table formula module, a row summation formula logic module and a cross-table formula logic module.

The invention provides an aluminum alloy sacrificial anode material capable of improving the protection effect of a water/gas interface of a sewage storage tank and a preparation method thereof. The aluminum alloy sacrificial anode material comprises, by mass, 3.0-4.0% of Zn, 0.01-0.1% of In, 0.4-0.5% of Mg, 0.01-0.1% of Sn, and the balance Al. The preparation method comprises the steps of smelting an aluminum ingot to obtain molten aluminum and continuously introducing inert gas for protection in the smelting process; conducting heat preservation on the molten aluminum for 30-35 min, adding Zn to the molten aluminum, after melting and even stirring, adding In, Mg and Sn until complete melting, and conducting drossing after even mixing and then heat preservation to obtain mixed liquid; pouring the mixed liquid in a die to be molded, cooling the mixed liquid to the indoor temperature and preparing the aluminum alloy sacrificial anode material. By adding appropriate types of alloy elements at the appropriate ratio, the aluminum alloy material capable of effectively protecting the water/gas interface of the sewage storage tank is prepared, and the aluminum alloy material is dissolveduniformly in the sewage storage tank.

The invention relates to the technical field of soil remediation, and particularly relates to a method for remediating cadmium pollution of soil with red-spotted stonecrop. The method comprises the following steps: step A: applying a biomass charcoal improver to the polluted soil; step B: planting red-spotted stonecrop in the polluted soil; step C: after growing for 60-150 days, cutting overground plant parts of the red-spotted stonecrop and then applying a nutrient solution; and step D: after repeating the step C for 1-4 times, removing the whole red-spotted stonecrop. The method provided by the invention uses the red-spotted stonecrop and the biomass charcoal improver for joint remediation; the biomass charcoal improver provides a relatively good growth environment for the red-spotted stonecrop, plays a role of promoting growth of roots of the red-spotted stonecrop, and enhances vitality of the red-spotted stonecrop; the red-spotted stonecrop can enrich the heavy metal cadmium efficiently; the content of cadmium in the polluted soil can be reduced greatly under double action of the red-spotted stonecrop and the biomass charcoal improver; the method can achieve the purpose of complete remediation after three to six years and has good social and economic benefits and popularization and application values.

The invention discloses a chloroquine spray and a preparation method thereof. The spray consists of a powder and a solution, wherein the powder contains chloroquine or a chloroquine derivative, a carrier macromolecular material and a sweetening agent, and the solution is a salt solution containing borneol and/ or menthol. The spray containing a chloroquine medicament is developed for the first time, has small toxic and side effects, can be directly used for antibacterial and antiviral protection of the oral and nasopharynx, can be used for clearing the nose and cleaning the pharynx and throat,and has the original clinical treatment application. Meanwhile, the method utilizes the carrier macromolecular material to wrap the chloroquine, prolongs the retention time of the chloroquine spray in the oral mucosa or the nasal mucosa to achieve the effect of slow release and long-acting, and can obviously improve the bacteriostatic disinfection effect of the chloroquine by being supplemented with menthol, borneol and ethanol. The chloroquine spray is mild and non-irritating, has good taste and convenient use, and can provide normal care for healthy people and more effective prevention andtreatment measures for infected or latent people in the aspects of virus protection such as novel coronavirus and the like.

The invention discloses a color register process for a wheel hub. The process sequentially comprises the following steps of: (1) performing surface treatment; (2) spraying powder; (3) grinding the wheel hub, and removing parts where more powder is sprayed; (4) spraying paint; (5) machining by using a cutter; (6) putting into paint tanks, and performing color register on the wheel hub for the first time through cathode electrophoresis; and (7) sequentially repeating step (5) and step (6), machining different parts of the wheel hub by using the cutter, and performing color register for multiple times in the paint tanks of different colors every time. By the process, different parts of the wheel hub can be machined and painted for multiple times, the wheel hub has different patterns, modelings and colors, the diversified demand of customers is met, and the technical problems are solved; and the process has good popularization and application value.

The invention relates to a system and a method for monitoring the perpendicularity of a tower crane. The system comprises a tilt angle measuring device arranged on a slewing tower body, a rotation angle measuring device arranged on an upper bracket of the tower crane, and a display alarm device arranged on an operation panel in a cab, wherein the rotation angle measuring device is provided with a pinion meshed with a slewing gear ring, and the tilt angle measuring device and the rotation angle measuring device are connected with the display alarm device through cables; data measured by the tilt angle measuring device and the rotation angle measuring device are input to the display alarm device through the cables, and the display alarm device is used for processing and storing the data and displaying the data in real time. According to the system and the method for monitoring the perpendicularity of the tower crane, provided by the invention, the perpendicularity of the tower crane can be quickly, accurately and automatically measured and is displayed in real time. Even if the centerline of the tower body is a fold line, the perpendicularity can also be accurately measured.

The invention discloses flue-cured tobacco mildew preventive. The flue-cured tobacco mildew preventive is prepared from 0.002%-0.2% of natamycin, 0.02%-0.08% of potassium citrate and the balance of water which are uniformly mixed. The flue-cured tobacco mildew preventive is uniformly added to fresh tobacco leaves in a preliminary baking stage by adopting a spraying or soaking method, and the fresh tobacco leaves are preliminarily baked according to a conventional three-step baking technology after being loaded, so that the tobacco leaves has resistance to mildew microorganisms. Experiments prove that the mildew preventive disclosed by the invention has no influence on the tobacco leaves and is non-toxic and non-irritant for human bodies. The mildew preventive the advantages of being simple in technology and low in operating cost, enabling the resistance to the mildew microorganisms of the tobacco leaves to run through the whole process from tobacco leaf braking to storage, preventing the tobacco leaves from mildewing in the processes of preliminary baking, classification, transportation and storage and having good popularization and application value and economic benefits.

The invention discloses a rail height adjusting method suitable for a rail with baffle parts, and belongs to the technical field of rail fasteners. By correspondingly arranging an under-rail cushion plate, an under-rail fine-adjustment cushion plate and first height adjusting cushion plates, preferably setting the sizes of all the cushion plates and selecting corresponding cushion plates in adjustment processes, steel rail height adjustment within the range of -4 mm to 22 mm is effectively achieved. The rail height adjusting method is implemented by adopting a fastener system comprising the under-rail cushion plate, the under-rail fine-adjustment cushion plate and the first height adjusting cushion plates and is simple in step and convenient to operate, the height of a steel rail on a railsleeper with the baffle parts is effectively adjusted, the adjustment process is simple, the reliability is high, the height adjustment range of the steel rail is wide, the flexibility of an adjustment scheme is high, the height adjusting requirements of the steel rail can be fully met, the accuracy and efficiency of steel rail height adjustment are improved, and thus the rail height adjusting method has good application prospects and high application and popularization value.

A mosaic elastic composite screen plate suitable for sieving of various kinds of vibrating screens comprises a framework, a crossbeam of the framework, a stringer of the framework and elastic sifting bars. The framework is a composite elastic framework formed by adhering polyurethane and 20-g steel plate, a plurality of blind holes are respectively provided on the inner side of the composite elastic framework for supporting the elastic sifting bars, through holes for allowing the elastic sifting bars to pass through are provided on the framework corresponding to the other side of the blind holes and on the crossbeam located at the middle section, and the elastic sifting bars are in clearance fit with through holes where the framework and the crossbeam penetrate. Because the screen plate is an elastic body, the elastic collision effect of the elastic sifting bars can be enhanced during the vibration process of the screen plate along with the screen body to accelerate the loosening and cutting of viscous and moist materials. The oscillation energy produced by the collision and the multi-degree-of-freedom position change of the sifting bars can prevent the screen plate from adhering the materials and being jammed in the cleaning process, thus greatly improving the screening efficiency.

The invention discloses a steel rail gauge adjusting method suitable for a rail with baffle parts, and belongs to the technical field of rail fasteners. By arranging gauge adjusting units composed ofgauge baffles and insulated gauge blocks and selecting the sizes of the gauge baffles and/or the insulated gauge blocks, the steel rail gauge can be effectively adjusted. The steel rail gauge adjusting method is implemented by adopting a fastener system with the gauge adjusting units and is simple in step and convenient to operate, a steel rail is effectively correspondingly arranged on a rail sleeper with the baffle parts, the arrangement process is simple, the reliability is high, transverse gauge adjustment of the steel rail can be correspondingly achieved by arranging the gauge adjusting units, the flexibility of an adjustment scheme is high, the gauge adjusting range is large, the gauge adjusting requirements of the steel rail can be fully met, the accuracy and efficiency of steel rail gauge adjustment are improved, material waste during steel rail gauge adjustment is reduced, the cost of steel rail gauge adjustment is saved, and thus the steel rail gauge adjusting method has goodapplication prospects and good application and popularization value.

The present invention discloses a special-shaped electronic component terminal shaping device and belongs to the electrical component mounting technical field. The special-shaped electronic component terminal shaping device comprises a shaping body as well as component arrangement plates and shaping mechanisms which are arranged on the shaping body; limiting grooves through which the terminals of an electronic component can pass are formed in each component arrangement plate; each component arrangement plate is provided with an arrangement seat for fixing the corresponding electronic component; each shaping mechanism comprises shaping bars; shaping holes into which the terminals of the corresponding electronic component can be embedded are formed in the shaping bars, wherein the shaping holes are located below the limiting grooves; each shaping hole includes a large hole section and a narrow hole section; a shaping surface which can press and straighten a terminal of the electronic component when the terminal of the electronic component slides into the narrow hole section is formed at the inner wall of the narrow hole section; and the shaping body is provided with a first driving mechanism which can drive the shaping bars to move so as to make the terminals of the electronic component slide into the narrow hole sections from the large hole sections. The special-shaped electronic component terminal shaping device of the invention has the advantages of low production cost, simple structure, convenient use, simple processing technology, high practicability, remarkable application effects, good economic benefits and high popularization and application value.

The invention discloses a high-speed reciprocating two-way servo wire tightening mechanism. The mechanism comprises a wire loading mechanism, wire cylinder mechanism and a wire arrangement mechanism arranged on a machine body of a wire cutting machine tool in sequence; the wire loading mechanism comprises a motor, and a tension wheel connected with the motor; the wire arrangement mechanism comprises two sets of connecting rod combination mechanisms arranged on the same one plane in a mirror image manner; and the connecting rod combination mechanisms comprise manual wire tightening mechanisms arranged on the same one plane for enabling electrode wires to penetrate through, automatic wire tightening mechanisms, slide mechanisms and fixed guide wheels for changing a wire arrangement direction. The mechanism realizes intelligent high-frequency real-time detection and intelligent two-way servo wire tightening, thoroughly solves the problems of single-edge wire looseness and tension of molybdenum wires of a wire cutting machine tool, overcomes the defect of different elastic degrees of electrode wires caused by manual wire loading, reduces influence on the tension of the electrode wires by manual intervention, guarantees consistent tension of the electrode wires, and reduces the operation difficulty of wire cutting staff.

The invention discloses an oil reservoir production prediction method based on a graph wavelet neural network model, and belongs to the technical field of oil reservoir development, and the method comprises the following steps: collecting oil reservoir data, generating different oil reservoir production systems, calculating the yield of each production well under different production systems by using a numerical simulator, and constructing a sample library. Dividing a training set and a test set; constructing a graph wavelet neural network model; performing hyper-parameter optimization of the graph wavelet neural network model, and training the constructed graph wavelet neural network model; verifying the performance of the trained graph wavelet neural network model; and outputting the trained graph wavelet neural network model with good evaluation performance, collecting oil reservoir production data in real time through monitoring equipment arranged in an oil field block, inputting the data into the model, and predicting the oil reservoir yield change in real time. According to the method, the oil and water production condition of the production well in oil reservoir production can be predicted with similar precision and greatly improved speed.

The invention discloses construction and application of a three-gene tandem expression vector for efficiently synthesizing ectoine. According to the isocaudarner principle, L-diaminobutyric acid transaminase, L-diaminobutyric acid acetyltransferase and ectoine synthetase genes in bacillus pseudofirmus are sequentially inserted into plasmids pET-22bNS containing the same or different promoters, and a three-gene tandem expression vector pET-22bNS-EctA/B/C is constructed. The tandem expression vector is transferred into escherichia coli and is induced by IPTG (isopropyl-beta-d-thiogalactoside), a recombinant bacterium participates in a reaction for 3 hours, the yield of tetrahydropyrimidine synthesized by the recombinant bacterium containing the vector pET-22bNS-EctALac/BTac/CTac is up to 20.9 mg/mL, and the theoretical synthesis efficiency is 167.2 mg/mL/d. The three-gene tandem expression vector constructed by the invention has the capability of efficiently synthesizing ectoine, and has better application value.

Disclosed in the invention is a composite ablation-resistant plate structure comprising a substrate and a plurality of insulated sleeves. A plurality of sleeving holes are arranged in the substrate; and the insulated sleeve is fixedly installed in the sleeving holes. The substrate is formed by using a stainless steel, a copper alloy or heat-resistant steel. And the insulated sleeves that are formed by sintering molding of ceramic powders are fixedly pasted in the sleeving holes of the substrate by high-temperature adhesives or are fixed in the sleeving holes of the substrate after local opening shrinking of the openings of the sleeving holes of the substrate, thereby completing assembling of the composite ablation-resistant plate. According to the invention, the traditional single material-based structure of the ablation-resistant plate is changed into the composite ablation-resistant plate structure with the metal substrate and ceramic insulated sleeves. Therefore, both the flame ablation-resistant performance and the performance of insulation among all the holes of the ablation-resistant plate of the ablation-resistant plate are ensured; the processing difficulty and the cost of the parts are substantially reduced; loss of the parts at links of transfer, storage, transport and assembling and the like can be reduced.

The invention discloses a method for increasing the peanut seed emergence rate, and belongs to the technical field of peanut planting. The method comprises the following steps of 1 peanut pretreatment, 2 seed soaking, 3 electrolytic treatment, 4, magnetic field treatment and 5 drying and storage. According to the method for increasing the peanut seed emergence rate, expression of multiple kinds ofenzymes in peanut seeds is stimulated, the germination characteristic of the peanut seeds is enhanced, the curing capacity of the peanut seeds on nutrient elements is improved, the seed emergence rate is increased, the quality of peanuts can be improved, and good economic benefits and application and popularization value are achieved.