190results about How to "Reduce risk of sabotage" patented technology

In a wind turbine and in a method of operating a wind turbine, the rotor speed and / or the power of the generator is reduced in response to a variable exceeding a predetermined value. Said variables belong to the group of variables consisting of wind direction and wind turbulence sensed by external sensors relative to the horizontal direction of the turbine main shaft and by one or Any other variable sensed by multiple sensors.

The invention relates to a container of consumer goods comprising an outer housing having a box and a lid hinged to the box. An inner package of consumer goods is disposed within the outer housing and has an access opening through which consumer goods can be removed. An adhesive label is provided with a resealable adhesive on a first portion of an inner surface of the adhesive label and an opposed outer surface of the adhesive label is permanently attached to an inner surface of a front wall of the lid of the outer housing. The outer surface of the adhesive label is permanently attached to the inner surface of the front wall of the lid of the outer housing such that the adhesive label is inwardly concave throughout movement of the lid between a closed position and the open position.

The invention relates to a veneer back face grooving method. The method comprises the following steps that (1) according to a design drawing, a grooving position is marked in the hanging and pasting position of the back face of a veneer; (2) the depth of a trapezoidal groove is designed according to the thickness of the veneer, and the depth of the trapezoidal groove is less than the thickness of the veneer; (3) a U-shaped groove is formed in the marked position of the back face of the veneer according to the grooving position, and the U-shaped groove is made to have designed depth and length; and (4) the two inner side edges of the U-shaped groove are broadened through a broadening device, the depth of the broadened parts is consistent with the depth of the groove, the trapezoidal groove is just formed by grinding and removing the two inner side edges through the broadening device, and accordingly the U-shaped groove is changed into the trapezoidal groove. By means of the veneer back face grooving method, the trapezoidal groove can be quickly formed in the back face of the veneer without customizing special grooving tools and without operation by professional staff, and general operating personnel can conduct construction. The construction speed is increased, standardized operation is realized, and the risk of damage to the veneer is greatly reduced.

The invention relates to a preparation method of RG-I type lycium barbarum pectin with anti-aging activity. The method comprises the following steps: (1) water is added into lycium barbarum, and the mixture is subjected to microwave-ultrasonic assisted extraction, filtering and concentration, such that a concentrate liquid is obtained; (2) anhydrous ethanol is added into the concentrate liquid, and the materials are well mixed; the mixture is allowed to stand and is subjected to centrifugation, such that a precipitation product is obtained; (3) the precipitation product is re-dissolved, and the solution is subjected to centrifugation and drying, such that lycium barbarum polysaccharide is obtained; (4) lycium barbarum polysaccharide subjected to DEAE-cellulose column chromatography separation, and is eluted; and dialysis desalination and lyophilization are carried out, such that lycium barbarum neutral polysaccharide LBP-N and lycium barbarum acidic polysaccharide LBP-A are respectively obtained; (5) lycium barbarum acidic polysaccharide LBP-A is subjected to Sepharose CL-6B gel filtration column chromatography separation, and is eluted; dialysis desalination and lyophilization are carried out, such that lycium barbarum acidic polysaccharides LBP-A-1 and LBP-A-2 are obtained; (6) lycium barbarum acidic polysaccharide LBP-A-1 is subjected to DEAE-Sepharpse Fast Flow anion exchange column chromatography purification; continuous gradient elution is carried out with a 0-0.5 mol / L NaCl aqueous solution; and dialysis desalination and lyophilization are carried out, such that the anti-aging RG-I type lycium barbarum pectin pure product is obtained. The method provided by the invention has the advantages of simple operation and high extraction rate

The invention discloses an array substrate. The array substrate comprises a display area and a GOA (gate on array) circuit area on the outer periphery of the display area. The edge of the array substrate is provided with a static shock prevention protective area around the display area and the GOA circuit area. A first line and at least one second line are arranged in the protective area; the first line is positioned on one side close to the display area and the GOA circuit area and connected with a ground terminal; the second line is positioned on one side close to the edge of the array substrate and is in a suspended state, and the second line is connected with the first line through a capacitor. Since the grounded first line and the at least one suspended second line are arranged at the edge of the array substrate and connected through the capacitor, when reaching the array substrate, static shock first passes through the at least one second line on the outer side and is buffered through the capacitor to finally act on the first line on the inner side, damage risks of the first line can be reduced beneficially, and static protection performance of the array substrate is improved.

The invention relates to a wind machine blade airfoil profile capable of controlling flow stalling through standing vortex. An airfoil profile between a shaping starting point and an airfoil profile trailing edge point is modified, thus a concave pit is formed; the shaping starting point and the airfoil profile trailing edge point are connected through a straight line, a concave pit starting point and a concave ending point are connected by virtue of a 1 / 4 circular arc, and the concave ending point, a first transition point, a second transition point and the airfoil profile trailing edge point are connected through a B spline; and the airfoil profile trailing edge is provided with a Gurney wing flap. According to the invention, the amplitude of the thickness reduction of the upper surface is slowed down to delay the separation of the flow field of the upper airfoil, vortex with a fixed position is formed by the air flow at the concave pit of the upper surface, under the action of the vortex, the separation of the upper surface of the airfoil can be controlled effectively, the irregular falling of separated vortex is avoided, and vortex lifting force is formed at the upper surface of the airfoil, and the stalling of the airfoil is slowed down, so that the stalling incidence of the airfoil is improved.

The segment (10) for a tower of a wind energy turbine comprises a tubular section (12) having a longitudinal axis and inner and outer sides (20, 22), and at least one group (144) of supporting elements (145) arranged at the inner side of the tubular section. The segment further comprises at least one platform (152) supportable by the supporting elements of the at least one group of supporting elements.

The invention discloses a phase shifter with a built-in transmission rod. A PCB is clamped between two dielectric pieces, three clamping buckles of each dielectric piece are inserted into corresponding circular holes of the built-in transmission rod through micro deformation, two sides of the PCB are clamped in a rectangular groove of an empty cavity and a second rectangular groove of the built-in transmission rod, a cavity body of the phase shifter is manufactured by adopting an aluminum alloy extruded section structure, and first limiting projection parts in the cavity body of the phase shifter are used for limiting and guiding the built-in transmission rod, thereby optimizing precision of a downward inclination angle, reducing number of components, saving assembling time and reducing intermodulation hidden danger points. An insulating layer of a coaxial cable passes through a circular hole at the bottom part of a semicircular trench, an inner conductor is lapped on a PCB welding pad for welding, a welding process circular hole is formed in a cavity body wall of the phase shifter just above the PCB welding pad for welding the welding pad, and an outer conductor of the coaxial cable is directly welded on a semicircular trench in the external part of a section, thereby reducing number of components, saving assembling time, reducing the risk that welding points are damaged, and reducing intermodulation hidden danger points.

The invention discloses a high-performance low-gloss exterior wall texture coating. The high-performance low-gloss exterior wall texture coating is characterized by comprising the following components in parts by weight: 8-12 parts of water, 0.1-0.3 part of anti-mildew and anti-algae agent, 0.1-0.3 part of preservative, 0.1-0.3 part of dispersant, 0.1-0.3 part of wetting agent, 0.2-0.4 part of defoaming agent, 15-25 parts of emulsion, 7-12 parts of 325-mesh heavy calcium powder, 0.5-0.8 part of attapulgite, 0.5-3.0 parts of diatomite, 0.2-0.5 part of fly ash, 0.1-0.3 part of wood fiber, 0.15-0.25 part of cellulose, 0.4-0.7 part of film-forming additives, 0.4-1 part of anti-freezing agent, 0.05-0.15 part of multifunctional additives, 0.3-0.8 part of thickener, 1-4 parts of titanium dioxide and 50-60 parts of heavy calcium stone grains. The invention further discloses a preparation method of the high-performance low-gloss exterior wall texture coating. The exterior wall texture coating disclosed by the invention is a glossy measurable high-performance low-gloss exterior wall texture coating product, can avoid the problem of interfacing in construction of a traditional product and the problems of returning white and floating after construction and has the function of protecting a wall body in a lasting manner.

The invention relates to a compound enzyme-microwave extraction method for optimizing Nitraria polysaccharide by a response surface methodology. The method comprises the following steps: (1) carrying out sample preparation: preparing Nitraria fruit powder from fresh Nitraria fruits; then, carrying out reaction extraction according to different material / liquid ratios, different soaking times, different microwave powers and different extracting times, so as to obtain dried Nitraria polysaccharide extract powder corresponding to different microwave powers; (2) determining the content of polysaccharides in each extract by using a phenol-sulfuric acid method; (3) carrying out experimental design and statistical analysis: 1) carrying out single-factor test; and 2) carrying out response surface method optimization design: establishing a multivariate quadratic regression equation by selecting four factors, i.e., microwave power, extracting time, soaking time and material / liquid ratio, which have relatively remarkable influence on polysaccharide extracting effect, according to single-factor test results; and (4) analyzing and optimizing experimental results: carrying out drawing analysis according to the multivariate quadratic regression equation by using software Design Expert 8.0, so as to obtain a response surface of the regression equation and a contour map of the response surface. The method is simple in operation and high in extraction ratio.

The invention belongs to the technical field of optical fiber sensing, and in particular relates to a fiber optic vector hydrophone with a posture self-correcting function. The vector hydrophone is special for a towed sonar array, and can realize the posture self-correcting in a roll direction of the vector hydrophone, so as to reach the aim that all vector hydrophone element postures in the array are automatically kept consistent. The invention specifically designs a suspension support system with a bias center of gravity, the system is fixedly connected with the vector hydrophone and can freely rotate. According to a principle of dynamics, the vector hydrophone can automatically keep a state of lowest center of gravity, so as to ensure that all elements of the array are kept in the same posture. The fiber optic vector hydrophone provided by the invention is applicable to the control on the posture of a towed vector array vector hydrophone, and also applicable to the control on the posture of a towed array posture sensor, and can ensure that the posture sensor in the towed array is kept in a horizontal state all the time, so as to improve the measuring accuracy of the posture sensor.

The invention discloses a tubing string stability and safety analysis-based downhole perforation test tool string optimization method. The method comprises the following steps of S1, building a tubing string-shock absorber-perforating gun dynamics model; S2, establishing an oscillatory differential equation of a perforated string; S3, establishing an oscillatory differential equation of a shock absorber; S4, establishing a tubing string-shock absorber-perforating gun coupled oscillation equation; and S5, solving a tubing string-shock absorber-perforating gun partial differential equation. The method has the beneficial effects that the research on the influence of tubing length and explosive charge of a perforating bullet on downhole tools is carried out, and the research shows that a stress of a packer is correspondingly increased along with the increment of the tubing length; a part, easily subjected to helical buckling, of a tubing appears in a position of the bottom and the middle of the tubing; along with the increment of the explosive charge, a pull pressure on the tubing is rapidly increased, and the tubing is subjected to the helical buckling more easily, so that theoretical guidance is provided for tubing string design; and the damage risk of a tubing string is lowered; and the downhole tools are protected.

The invention relates to a high-energy hundred-picosecond laser pulse generation device highly stable in time and belongs to the field of nonlinear optics. The high-energy hundred-picosecond laser pulse generation device highly stable in time solves the problems that the laser pulse energy generated by an existing laser pulse generation device is low, the optical structure of an amplification system is complex, the amplification efficiency is low, the spectrum of the generated laser pulse is wide, the pulse compression mode is poor in stability, and the device is limited in application. The high-energy hundred-picosecond laser pulse generation device highly stable in time comprises a laser source, a half-wave plate, a polarizer, a quarter-wave plate, an SBS medium pool, a pump light parameter measurement device and a short pulse output light parameter measurement device. The pump light parameter measurement device comprises a first beam splitting plate, a first energy card meter and a first photoelectric detector. The SBS medium pool is a hollow cylindrical container, and the two ends of the SBS medium pool are sealed by a first window sheet and a second window sheet respectively. The short pulse output light parameter measurement device comprises a second beam splitting plate, a second energy card meter and a second photoelectric detector. The high-energy hundred-picosecond laser pulse generation device highly stable in time is used for generating high-energy pulse lasers and particularly applicable to large-caliber laser pumps.

The invention discloses a decentralized, quality separated and centralized integrated treatment mode for domestic sewage of peasants in mountainous and hilly areas. The mode comprises a peasant quality-separated treatment system, a decentralized sewage collecting system and a sewage centralized treatment system, wherein the peasant quality-separated treatment system comprises an anaerobic biological treatment system, a three-pond type non-energy consuming biological treatment system and a soil filtration system; the anaerobic biological treatment system is mainly used for treating high-concentration wastewater of domestic animals raised by the peasants; the three-pond type non-energy consuming biological treatment system is used for treating middle-concentration wastewater discharged when the peasants flush toilets; and the soil filtration system is used for treating low-concentration wastewater discharged from kitchen washing and daily washing; the decentralized sewage collecting system makes use of height difference of centralized peasants to powerlessly and closely collect sewage treated by every decentralized peasant; and the sewage centralized treatment system treats the wastewater collected by the three-pond type non-energy consuming biological treatment system and a constructed wetland, and finally realizes standard discharge of rural sewage. The mode has the advantages of suitability for the characteristics of decentralized water qualities and sources of the rural sewage, high sewage treatment efficiency, stable operation, easy maintenance and management, and reduction in the damage of rural sewage discharge to ecological environment.

The invention relates to a large-scale infrared focal plane structure with thermal stress unloading capacity, which comprises a detector chip (1) and the like. The detector chip (1) is mounted on sapphire (2); one lateral surface of a first transitional substrate (31) is a plane, a ring-shaped groove is formed at the middle part of the other lateral surface of the first transitional substrate (31), and the sapphire (2) is adhered to the side of the plane of the first transitional substrate (31); one lateral surface of a second transitional substrate (32) is a plane, a ring-shaped convex structure is formed at the middle part of the other lateral surface of the second transitional substrate (32), the convex structure is abutted with the ring-shaped groove of the first transitional substrate (31) to form a cavity, and a sapphire compensation sheet (7) is mounted in the cavity and is adhered to the first transitional substrate (31); and the second transitional substrate (32) is mounted on a cold plate (4). According to the invention, by the stress unloading structure, a thermal stress and thermal deformation which are generated due to mismatching of thermal expansion coefficients of laminated materials are adsorbed, so that the thermal stress and thermal deformation of a large-scale infrared focal plane are effectively reduced, and reliability of a large-scale infrared focal plane device is improved.

The invention provides a ring shear apparatus testing system for a land-rock contact face. The ring shear apparatus testing system comprises a rock-soil sample preparation instrument and ring shear apparatus. The rock-soil sample preparation instrument comprises a first base, a first frame, an upper shear box and a lower shear box. The first frame is fixed on the first base, and the middle portionof the first frame is provided with a sliding arm of force. The sliding arm of force is provided with a lock block, and the bottom portion of the lower shear box is removably fixed on the first baseand the upper shear box is located on the lower shear box. The ring shear apparatus comprises a second base, a second frame and rotary platform. The second frame is fixed on the second base which connected with the rotary platform in a rotary mode. The upper portion of the second frame is provided with an oil pressure chamber which is connected with a telescopic upright post. The telescopic upright post is connected with a transmission compression ring plate which is provided with a pressure sensor. The rotary platform is removably connected with the lower shear box, and the upper shear box isprovided with a pore-water pressure sensor. The ring shear apparatus testing system has the beneficial effect that progressive failure behavior of a soil sliding body along a structural plane in a rock sliding bed can be simulated.

The invention discloses an underground perforation test tool string optimization method based on packer stress analysis. The method comprises the steps that S1, a tubing string-shock absorber-perforating gun dynamic model is established; S2, an oscillatory differential equation of a perforated string is established; S3, an oscillatory differential equation of a shock absorber is established; S4, a tubing string-shock absorber-perforating gun coupled oscillation equation is established; and S5, a tubing string-shock absorber-perforating gun partial differential equation is solved. The method has the advantages that research about influences of the length of an oil tube and the explosive charging amount of a perforating bullet on underground tools is carried out, and the stress of a packer is increased along with increase of the length of the oil tube according to the research; the portion, prone to spiral buckling, of the oil tube is at a certain position at the bottom and in the middle of the oil tube; the tension and pressure borne by the oil tube are increased sharply along with increase of the explosive charging amount, so that the oil tube is prone to spiral buckling more easily, and theoretical guidance is provided for string design; the damage risk of a tubular column is lowered; and the underground tools are protected.

The invention discloses a method and device for measuring downhole formation fluid pressure. The device comprises ground equipment and downhole apparatus, wherein the downhole apparatus is connected with the ground equipment; the ground equipment comprises a vertical pipe, a three-way pipe is installed on the vertical pipe, a pressure sensor is installed at the position of the three-way pipe, thepressure sensor is connected with a wireless pressure sensor main machine through a data line, the wireless pressure sensor main machine is connected with a sucker antenna, the sucker antenna is in signal connection with a wireless transceiver, and the wireless transceiver is connected with a data processing meter; and the downhole apparatus comprises a thrust assembly, and a thrust module and a probe module are installed on the thrust assembly. According to the method and device for measuring the downhole formation fluid pressure, the magnitude of different thrust force is set according to different well depths, when shallow well measurement is carried out, the energy consumption of the downhole apparatus can be reduced, and meanwhile, the risk of pressure damage to the well wall due to too large thrust force is reduced; and when deep well measurement is carried out, the thrust force is reasonably increased to enable the seal between a sealing probe and a well wall mud cake to be reliable, the influence of annulus pressure on formation fluid is reduced, and thus the accuracy of the measurement is improved.

The embodiment of the invention relates to a circuit substrate, a display panel and a display device. The circuit substrate comprises a grounding protection circuit, wherein the grounding protection circuit comprises one or two parallelly-arranged first wires, a bridging portion and two parallelly-arranged second wires. The first wires, the bridging portion and the second wires are sequentially arranged along the periphery of the circuit substrate. One end of each first wire is grounded, and the other end of each first wire is electrically connected with the bridging portion. One end of each second wire is electrically connected with the bridging portion, and the other end of each second wire is grounded. The display panel comprises the circuit substrate. The display device comprises the display panel.

The invention discloses a conductive polymer-based soil deformation monitoring system and a conductive polymer-based soil deformation monitoring method. The system comprises a soil body on which conductive polymer is laid, wherein the soil body on which the conductive polymer is laid is connected with a wireless data acquisition instrument through a wire; the wireless data acquisition instrument is connected with a network through a GPRS (General Packet Radio Service) module; the network is connected with a database through a network interface; the network is connected with the database and a server; the conductive polymer-based soil deformation monitoring system is integrated in an intelligent traffic system as required; smart conductive polymer has good durability and low cost; a sensor is not required to be embedded in a material according to a self-detection technology, so that the phenomena such as reduction in strength and performance of the material caused by implantation of an external sensor are avoided; the detection is accurate and timely and the performance is stable; a soil body fracture plane can be positioned by extracting reinforcing material deformation, stress characteristic information and the like; and a theoretical basis is provided for reinforcing and repairing the soil bodies such as a roadbed.

The present invention relates to a community optimization method of a low efficiency-water conservation forest. The method comprises the steps of surveying an indigenous plant community, and determining the current and historical distribution of the indigenous plant community; evaluating the plant community, and screening a plurality of introduction after-culture species facilitating improving a water conservation function; configuring two varieties or more than two varieties of trees of different ages for the landscapes of the low efficiency-water conservation forest according to the above screened introduction after-culture species to increase the degree of heterogeneity of the plant community in the horizontal space; managing the low efficiency-water conservation forest according to the main characteristics and the degeneration reasons of the community of the low efficiency-water conservation forest. The method of the present invention enables the water conservation function of an ecological system to be improved, at the same time, considers the coupling functions, such as the biodiversity protection, the soil conservation, etc., and promotes the healthy, stable and long-term development of the ecological system.

The invention belongs to the technical field of confidential or secure communication, and discloses a heterogeneous identity alliance user trust management system based on class block chain technology. A user trust chain management module is used for managing a user trust chain; An alliance subsystem trust chain management module is used for managing a heterogeneous identity alliance subsystem. Atrust chain system introduction module is used for introducing a trust chain system, and a user trust value change module is used for changing a user trust value. A trust alarm module is used for setting an alarm threshold value for the trust value of the user, and broadcasting the alarm threshold value to each subsystem in an alliance when any subsystem finds that the trust value of the user is reduced to be equal to or less than the threshold value. According to the invention, the decentralization of the existing heterogeneous identity alliance is greatly ensured not to be damaged. Meanwhile, the apportioning cost and the trust management cost of each system in the alliance can be greatly reduced.

The invention relates to a method for slotting the back of a veneer, comprising the following steps: 1) marking the slotting position on the back of the veneer according to the design drawings; 2) designing the depth of the trapezoidal groove according to the thickness of the veneer, and the The depth is smaller than the thickness of the veneer; 3) Use the slotting device to open a U-shaped groove at the marked position on the back of the veneer, so that the U-shaped groove reaches the designed depth and length; 4) Use the widening device to widen the inner sides of the U-shaped groove , the depth of the widening part is consistent with the depth of the groove, and the two inner sides are ground off by the widening device to form a trapezoidal groove, so that the U-shaped groove becomes a trapezoidal groove. The method for grooving the back of the veneer of the present invention can quickly open trapezoidal grooves on the back of the veneer without custom-made special grooving tools, and does not require the operation of professionals. General operators can perform construction, improve the construction speed, and realize standardization operation, greatly reducing the risk of damage to the veneer.

This invention relates to a method for humanising a mouse. In particular, the invention relates to a method for replacing a cluster of mouse genes with single or multiple genes from the corresponding human cluster using a combination of homologous recombination and site-specific recombination.

The invention discloses a kinetic analysis method of an underground perforation tool under effect of multiple absorbers, which includes steps of S1, structure analysis and perforation technique analysis according to the underground perforation tool; S2, establishment of kinetic models of two absorbers; S3, establishment of oscillatory differential equation of the underground tool; S4, establishment of a coupling condition of an oil pipe pillar-absorbers-perforation gun, wherein the pipe pillar kinetic model based on the effect of two absorbers has two coupling borders, the border at the coupling place adopts a force continuity condition, thus the coupling equation can be acquired; S5, solution of the kinetic model of the pipe pillar. The kinetic analysis method has the beneficial effects of reducing the accidents of unsealing failure of a packer for excessive stress, reducing the risk of tester damage caused by excessive acceleration, and avoiding unstability and damage of the oil pipepillar.

The invention discloses a cross-linked environment-friendly flame-retardant reinforced polyamide-based composite material and a preparation method thereof. The material comprises, by weight, 20 to 80parts of aliphatic polyamide, 10-40 parts of glass fibers, 10 to 20 parts of a flame retardant, 0.5 to 10 parts of a main cross-linking agent, 0.5 to 10 parts of an auxiliary cross-linking agent, 0.5to 10 parts of a compatilizer, 0.1 to 0.3 part of a coupling agent, 0.1 to 0.3 part of a lubricating agent and 0.1 to 0.3 part of an antioxidant. The mechanical properties and thermal properties, especially the thermal deformation temperature, of the cross-linked environment-friendly flame-retardant reinforced polyamide-based composite material prepared from the raw materials are integrally improved by 30% or above; the mechanical property and the thermal property, especially the thermal deformation temperature, are integrally improved by 15% or above, the strength of the weld line is improvedby adopting the preparation method, and the risk of damage caused by cracks in the use process of the material is reduced to a great extent.

The invention relates to the field of genetic breeding science of aquatic livestock and particularly relates to a method for culturing full-male cross pelteobagrus fulvidraco. The method comprises the steps: carrying out feminization induction on ordinary pelteobagrus vachelli offspring, and carrying out gynogenesis induction by using pseudo-female property; carrying out feminization induction on one part of gynogenesis individuals so as to obtain gynogenesis-population feminized pelteobagrus vachelli individuals; carrying out normal culture on the other part of the gynogenesis individuals so as to obtain male pelteobagrus vachelli; carrying out test cross so as to obtain male pelteobagrus vachelli and female pelteobagrus vachelli with the genotype of YY; carrying out propagation mating on the female pelteobagrus vachelli with the genotype of YY and male pelteobagrus vachelli so as to obtain YY super-male pelteobagrus vachelli; and carrying out cross breeding on the YY super-male pelteobagrus vachelli and female pelteobagrus fulvidraco with the genotype of XX, thereby obtaining the full-male cross pelteobagrus fulvidraco. According to the method, optimal cross-combined full-male offspring are obtained, so that dual effects of cross breeding and unisexual breeding are synchronously obtained, and meanwhile, the risk of potential destruction to natural germ-plasm resources caused by cross breeding is reduced.

The invention relates to vertical or inclined electrodes of an electrolyzer for electrolytically producing aluminum from aluminum oxide. An electrode contains an electrode base and a surface coating based on refractory ceramics. According to a first variant of the invention, the electrode base is made of a composite material containing between 5% and 90% by mass of refractory ceramics, and of at least one metal having a melting temperature exceeding 1000 DEG C, which forms refractory intermetallic compounds upon interaction with aluminum, and / or containing at least one alloy of such a metal. According to a second variant of the invention, the electrode base is made of a metal alloy, for example structural steel or another alloy, and the surface of the electrode base has applied thereto an intermediary layer consisting of a composite material having the composition described above.

The invention discloses a marine safety detection method based on a sensor. The method is characterized by comprising a camera collecting physical environment safety information and safety informationof a data acquisition module of a distributed analysis system; arranging an ocean network database at the far end to update and monitor the collected data in real time; transmitting the integrated data to an evaluator by using a network;after evaluation, transmitting the estimated value to a system for analysis and obtaining a coupled ocean network safety risk estimated value. According to the invention, the whole process from acquisition, storage to display of ocean network data is realized, the overall risk value of the system can be calculated according to effective input, a large amount of manual calculation in the risk assessment process is reduced, the assessment efficiency is improved, and the safety state of the platform is monitored uninterruptedly for a real-time monitoring system. A manager can observe the displacement condition of each monitoring position in real time, and the whole technology is strong in innovation, wide in application range, convenient in system installation and high in monitoring precision.

The invention relates to an intelligent portable stamping device capable of realizing stamping supervision, which comprises a stamp lock body, a stamping table, a high-speed photographic apparatus anda controller, the stamp lock body is movably locked in a first accommodating groove and is used for locking a stamp entity; the high-speed photographic apparatus is used for shooting files and can befolded and accommodated in a second accommodating groove; the controller can be used for controlling the whole stamp equipment; when the intelligent portable stamping device is used, face recognitionis carried out preferentially, and whether a user has permission or not is judged; the safety of the stamping device is improved; control parameters are determined according to paper deviation grade,the high-speed photographic apparatus is controlled to be folded and stretched to the optimal shooting position, the problem that the shooting effect is poor due to the fact that the paper placementposition is incorrect or the high-speed photographic apparatus is not adjusted to the proper position is solved, the high-speed photographic apparatus can be automatically folded and stored after shooting is completed, and the risk that the high-speed photographic apparatus is artificially damaged is reduced. And the service life and reliability of the whole stamping machine are improved.