165 results about "Frangibility" patented technology

The invention relates to a method for evaluating the security situation of a network and a system thereof. The system has a two-surface three-level framework and is provided with a public service surface and a service management surface for executing uniform coordinated management on each functional module of the system; according to a service logic processing flow, the system is divided into three levels: an acquisition level, an analysis level and an exhibition level for completing four evaluating operations of assets, frangibility, threat and security situation; the invention is based on the characteristic of service operation in the network, combines the prior risk evaluation method, the prior flow and the prior security detection tool and provides a set of a novel dynamic real-time evaluation method. The system can analyze the assets and service of the network and the risk of the whole network and carries out the evaluation of the security situation. The system can provide the security state of the whole network in macroscopy, can deepen to specific service and assets and know the specific security problem, thereby effectively helping network security personnel to analyze the root of the security problem and assisting to provide a security solution proposal and implement a defense measure.

The invention relates to a network security situation awareness system and method based on information correlation. The system comprises a data acquisition module, a network security situation evaluation module, a network security situation prediction module and a network situation visualization module, wherein the data acquisition module is used for acquiring network essential information; the network security situation evaluation module is used for quantitatively analyzing threat, frangibility and stability of the network by utilizing the network essential information, thereby analyzing the current network security situation; the network security situation prediction module is used for predicting the network security situation according to historical information and current state of the network security situation; and the network situation visualization module is used for visually displaying network security indexes according to the analysis and prediction result of the network security situation. The invention solves the problem that the existing network situation awareness system lacks data validity verification, data correlation and quantitative analysis, so that the network security situation awareness is more accurate.

A solid object having controlled frangibility, such as a bullet or a container for explosives, is made by combining two different metals in proportions calculated to achieve a desired density, without using lead. A wetting material is deposited on the base constituent which is made of a relative dense, hard material. The wetting material enhances the wettability of the base constituent with the binder constituent, which is lighter and softer than the base constituent.

Provided is a high-strength, bonded La(Fe, Si)13-based magnetocaloric material, as well as a preparation method and use thereof. The magnetocaloric material comprises magnetocaloric alloy particles and an adhesive agent, wherein the particle size of the magnetocaloric alloy particles is less than or equal to 800 μm and are bonded into a massive material by the adhesive agent; the magnetocaloric alloy particle has a NaZn13-type structure and is represented by a chemical formula of La1-xRx(Fe1-p-qCopMnq)13-ySiyAα, wherein R is one or more selected from elements cerium (Ce), praseodymium (Pr) and neodymium (Nd), A is one or more selected from elements C, H and B, x is in the range of 0≦x≦0.5, y is in the range of 0.8≦y≦2, p is in the range of 0≦p≦0.2, q is in the range of 0≦q≦0.2, α is in the range of 0≦α≦3.0. Using a bonding and thermosetting method, and by means of adjusting the forming pressure, thermosetting temperature, and thermosetting atmosphere, etc., a high-strength, bonded La(Fe, Si)13-based magnetocaloric material can be obtained, which overcomes the frangibility, the intrinsic property, of the magnetocaloric material. At the same time, the magnetic entropy change remains substantially the same, as compared with that before the bonding. The magnetic hysteresis loss declines as the forming pressure increases. And the effective refrigerating capacity, after the maximum loss being deducted, remains unchanged or increases.

An unmanned aerial vehicle selectively formed of high strength composite structural part portions and lightweight aerodynamic foam portions to provide a low-cost and lightweight UAV that comports with export, civil airspace, and safety regulations. To further to reduce an overall weight of the UAV, mechanical elements are designed to provide multiple functionalities. Structural elements may be manufactured in same or similar non-specialized processes, and non-structural elements manufactured in same or similar non-specialized processes, reducing overall manufacturing costs. Materials and bonding elements are selected to provide frangibility and yet maintain normal flight structural integrity.

The invention discloses an electric power system vulnerability assessment method, and relates to the field of a power network safety analysis technology. The electric power system frangibility assessment method comprises the following steps: (1), establishing a complex network structure of an electric power system; (2), establishing a structure vulnerability factor indicator through electrical betweenness in the complex networks structure; (3), obtaining network real-time trend data through a static energy function method; (4), calculating a state vulnerability factor, and calculating to obtain an integrated vulnerability assessment indicator through combination with a structural vulnerability factor in step (2); and (5), outputting a vulnerable area of the electric power system. According to the invention, since the electric power system vulnerability assessment method analyzes vulnerable links which may exist in the electric power system from a global perspective, the vulnerable area in the operation of the electric power system can be comprehensively, accurately and effectively determined, the defects of a conventional single one-sided electric power system vulnerability assessment method and the like can be made up for, emphases are provided for prevention and control of safe operation of the electric power system, and collapse of the electric power system, caused by disturbance or accidents, is effectively prevented.

The invention discloses an information system risk assessment method based on multi-factor fusion. The method comprises the following steps: the first step: establishing an information system risk assessment system which comprises a risk assessment result library module (12) and further comprises a risk assessment module (2), a security detection data acquisition module (13), an assets investigation module (8), a questionnaire survey module (9), an assessment library module (11) and an assessment template module (7), wherein the assessment template module (7) is connected with the risk assessment module (2); the second step: determining risk assessment factors; the third step: determining the fusion relationship of the risk assessment factors; the fourth step: performing the risk assessment, wherein the risk assessment refers to the asset assessment, the threat assessment, the vulnerability assessment and the risk calculation. The method achieves the effect of centralized analysis and handling of various security detection results, ensures strong applicability of the system and comprehensive factors for risk assessment, establishes the asset-security threat-security frangibility fusion relation, and ensures remarkable causal relationship of the assessment factors.

The invention relates to a frangibility assessment method of an electric power information physical fusion system. According to the invention, mutual effects and cascading faults of information and physical space in the electric power information physical fusion system are displayed; and by considering the physical-information virtual connection, effective assessment can be performed on the frangibility of the electric power information physical fusion system and fragile links of the system can be analyzed.

The invention relates to a frangibility index method for evaluating seam floor water inrush, which comprises the following steps: determining main control factors of the seam floor water inrush by taking GIS as an operating platform based on a multi-source information fusion theory, and establishing a sub-subject layer diagram for each main control factor through data acquisition, analysis and processing; determining the 'contribution' or the 'weight' of each main control factor to a complex water inrush process and establishing a forecast evaluation model for the seam floor water inrush through the inversion identification or the learning training of the model by applying a multi-source geoscience data composite superposition principle and adopting a modern linear or non-linear mathematical method; and reasonably determining a subarea threshold value of the water inrush frangibility according to the analysis of a frequency histogram of water inrush frangibility indexes calculated by each unit in a research area and finally making a scientific division and a forecast evaluation on the seam floor water inrush frangibility. The method well overcomes the difficulty of the forecast evaluation on the seam floor water inrush, breaks through the restriction by significant deficiencies that the conventional water inrush coefficient method for the seam floor water inrush evaluation can only consider two control factors and has no influence 'weight' concept and the like, and adopts the GIS and the modern non-linear mathematical coupling method to truly depict the non-linear dynamic process of the seam floor water inrush which is controlled by a plurality of factors and has a very complicated formation mechanism.

The invention discloses a method for preparing an epoxy and polyvinyl chloride (PVC) composite flexible faced material, which comprises the following steps of: preparing an epoxy coating by weighing, baiting and stirring, uniformly coating the epoxy coating on the surface of glass fiber cloth of a PVC glass fiber composite coating through a coater, then baking for 15 to 20 minutes at the temperature of between 90 and 120 DEG C, and finally cooling, trimming and coiling to obtain the epoxy and PVC composite flexible faced material. Specific raw materials and proportion of the raw materials are adopted in the method; and the produced epoxy and PVC composite flexible faced material has excellent physical and chemical properties of epoxy resin such as abrasion resistance, scouring resistance, grease dirt resistance, ageing resistance, strong chemical resistance, strong adhesive force and the like. Because the PVC coating with good flexibility is used as a bottom material coating, flexibility and easy sticking property of the faced material are increased. By using glass fibers as a material skeleton, the material is further enhanced, and the problems of frangibility, easy cracking and the like of most faced materials are solved.

The invention discloses a hard-shell capsule based on pullulan. Based on the total weight of the hard-shell capsule, the hard-shell capsule comprises the following components in percentage by weight: 80-90% of pullulan, 1-10% of hydrophilic gel, 0.1-1% of plasticizer, 0.001-0.1% of water retaining agent, 0.001-3% of surfactant and 8-12% of water. The hard-shell capsule disclosed by the invention can replace a gelatin hard-shell capsule, thereby avoiding the pollution possibly brought by an animal product. The hard-shell capsule disclosed by the invention has the advantages of stable property,good moisture resistance and good transparency; the probabilities of the frangibility and deepening of color are reduced during long-term storage; and the uptake rate of the filling of a medicine is improved.

The invention discloses vegetable gum based on modified starch. The vegetable gum is prepared from the following raw materials in parts by weight, 40-90 parts of modified starch, 3-30 parts of gelatinizing agents, 2-20 parts of plasticizers, 2-20 parts of polymer, 2-20 parts of plant fibers, 10-50 parts of deionized water and 1-15 parts of cross-linking agents. The raw materials are mixed and subjected to reaction at the temperature ranging from 20 DEG C to 120 DEG C for 10-200 minutes, and the vegetable gum is prepared by kneading, extruding and cutting procedures. The starch and the polymer or macro-molecules are compounded and mixed or grafted and copolymerized, the vegetable gum overcomes the shortcomings of poor plasticity, low tensile strength and frangibility of original starch and difficulty in degradation and non-renewable performance of the macro-molecules, the vegetable gum is degradable, renewable, low in cost, good in plasticity, stable on heat and resistant to aging, and a preparation method of the vegetable gum controls extrusion temperature, screw rotation speed, cutter rotation speed and granule cooling, so that granules cannot be adhered and are uniform in size and good in plasticity. The vegetable gum is applied to related products such as degradable plastics, capsules and food and drug packing materials.

Despite the frangibility of additive-free granules of brominated anionic styrenic polymer, it has been found possible by use of special mechanical processing to provide pellets of unadulterated brominated anionic styrenic polymer having a bromine content of at least about 50 wt % and in which at least about 70 wt % (preferably at least about 75 wt %) of the pellets are retained on a standard US No. 40 sieve and no more than about 30 wt % (preferably no more than about 25 wt %) are retained on a standard US No. 5 sieve. In preferred embodiments such pelletized anionic styrenic polymer is brominated anionic polystyrene having a bromine content of at least about 67 wt %, e.g., in the range of about 67 to about 71 wt %. Also preferred are pelletized brominated anionic styrenic polymers in which the melt flow index (ASTM D 1238-99) at 220° C., 2.16 kg is at least 4 g / 10 min and preferably is at least 5 g / 10 min. Another embodiment of this invention is a method of preparing pelletized unadulterated brominated anionic styrenic polymer which method comprises: A) forming strands of molten unadulterated brominated anionic styrenic polymer; B) submitting said strands to cooling and downwardly directed forced air flow on a porous conveyor belt whereby said strands are broken into pellets; and C) causing said pellets to drop into a classifier that removes fines from the pellets.

A melamine-based foam block for cleaning has lines of frangibility that separate the melamine-based block into pads that are delineated. A melamine-based foam block for cleaning has lines of frangibility that separate the melamine-based foam block into pads that are different sizes and that are delineated.

The invention relates to a production method of a seasoning bamboo shoot and belongs to the field of the food processing technology. The method provided by the invention comprises the following steps: (1), precooking; (2), natural fermentation treatment; (3), sterilization process; (4), blanching; (5), squeezing; and (6) preparation. The production method of the seasoning bamboo shoot has the advantages of reasonable design and suitability for realization of industrialization production of the seasoning bamboo shoot. According to the method provided by the invention, by virtue of reasonable parameter and step design, shredded bamboo shoots are processed before seasoning, so that the freshness and taste frangibility of the bamboo shoots are ensured, and the processed shredded bamboo shootshave original flavor; when seasoning is carried out, by virtue of a reasonable formula, the freshness and frangibility of the shredded bamboo shoot are ensured, so that the shredded bamboo shoots with unexpected delicious flavor can be obtained. The obtained seasoning bamboo shoot in the invention is not added with any preservative and has a quality guarantee period of 1.5-2 years by virtue of reasonable processing steps.

The invention relates to a frangibility prediction method for the large power grid. The method is characterized by comprising the following steps that 1) power-grid rack program data and a system operation constrained condition are obtained; 2) a complex network mathematical model of the power grid is established according to the obtained constrained condition; 3) aimed at the complex network mathematical model, the purely graph-theory betweenness, the line capacity based trend distribution factor electric betweenness and the transmission capacity based trend distribution factor electric betweenness of each node / side are calculated; 4) a static fragile link of the grid is determined according to the three types of betweennesses obtained in the step 3); 5) a dynamic fragile link of the grid is determined by taking the three types of betweennesses in the step 3) as the basis; and 6) the static fragile link is integrated with the dynamic fragile link to obtain a fragile link of the whole large power grid. According to the invention, the large power grid is analyzed conveniently and effectively by utilizing complex network theories, so that a design staff can carry repeated examination and timely adjustment in the design process of the rack structure, and the process is simple.

The invention relates to an Sn-58Bi lead-free solder reinforced by a carbon nano tube and a preparation method thereof, in particular to a low-temperature solder and the preparation method thereof, which solves the problem that the plasticity of Sn-58Bi alloy is lowered owing to the frangibility of BI to affect the property of welding joints. TheSn-58Bi lead-free solder reinforced by the carbon nano tube is prepared from eutectic Sn-58Bi alloy powder, the carbon nano tube and soldering flux. The preparation method comprises the following steps: ball-milling the eutectic Sn-58Bi alloy powder and the carbon nano tube under the protection of argon to obtain solder powder; and uniformly mixing the solder powder with the soldering flux, and then smelting and air-cooling to obtain the reinforced Sn-58Bi lead-free solder. In the invention, the maximum bending strength of the Sn-58Bi lead-free solder reinforced by the carbon nano tube is 184.12MPa, improved by 10% than that of Sn-58Bi solder alloy; the elongation is improved by about 48.9% than that of the Sn-58Bi solder alloy; and compared with the original solder, the quantity of the welding spots with tensile strength distributed in 11-15N is improved by 52.2%.

The invention relates to an electrode and in particular relates to a high-porosity and a high-conductivity porous electrode, a batch manufacturing process of the porous electrode and a super pseudo-capacitor using the porous electrode. The high-porosity and a high-conductivity porous electrode is prepared by the steps of mixing a carbon material with an adhesive, a pore-forming agent and a dispersing agent to obtain slurry, drying the slurry and then rolling the slurry grade by grade to form a forming carbon film, and roasting the forming carbon film; the porous electrode is of a three-dimensional network porous structure; the porous diameter is distributed between 0.1 microns and 50 microns; the thickness of the porous electrode is 0.3-5mm; the porosity is greater than or equal to 70%. The porous electrode has a special micropore structure and a high porosity; the porous diameter distribution is centralized in a range of several microns to 50 microns; the porosity of the electrode is greater than 70%. The porous structure is of a plane structure and has the advantages of high flexibility and bendability; the defects of small porous diameter, small macropore porosity and frangibility of the existing various electrodes made of dense and frangible materials can be overcome.

The invention discloses a random Petri net-based network security risk analysis method, which comprises the following steps of: acquiring related attributes of a network topology structure and property; acquiring and saving threat information and frangibility information of the property; constructing a risk analysis model; simplifying the risk analysis model; acquiring user index information which is needed to be calculated; performing index quantitative analysis and calculation, and the like. The system risk associated analysis in a general information system environment is provided, the problems that the conventional security analysis tool is difficult to discover an unknown attack mode or security hole in the system, cannot perform global security analysis on the system and the like are solved, the comprehensive network risk analysis capacity is greatly improved, and the security of a network information system is effectively guaranteed.

The invention relates to ultra nanometer silver ion zirconium silicate ceramic artwork and a preparation method thereof. The artwork comprises a ceramic green body and a glaze layer, wherein the glaze layer is arranged on the surface of the ceramic green body, the ceramic green body is prepared from the following raw materials in parts by weight: 30-40 parts of kaolin, 35-45 parts of quartz, 5-10 parts of zirconium silicate, 5-10 parts of feldspar, 3-5 parts of limonite powder, 5-10 parts of talc, and 3-5 parts of rear earth, and the glaze layer is prepared from the following raw materials in parts by mass: 15-20 parts of quartz, 35-45 parts of feldspar, 1-2 parts of nanometer silver-loaded antibacterial agent, 5-10 parts of talc, 1-3 parts of zinc oxide, 1-3 parts of tin oxide, 1-3 parts of copper oxide, and 3-5 parts of rear earth. The artwork provided by the invention has the following beneficial effects that the zirconium silicate is added into the raw materials of the ceramic green body to enhance the strength and fracture roughness of the ceramic and prevent the frangibility of ceramic; and the nanometer silver-loaded antibacterial agent is added into the raw materials of glaze and the rear earth element is introduced for activating the nanometer silver-loaded antibacterial agent, so as to effectively enhance the antibacterial function.

The invention relates to the data acquisition field, especially to a data acquisition unit employing dual-reserve links and an application method thereof. The invention comprises a wired bridge, a CDMA(WCDMA / TDSCDMA / GPRS / PHS) wireless network, a switching controller and a link monitoring module; the link monitoring module is respectively connected to the wired bridge, a wireless network and the switching controller; the switching controller is respectively connected to the wired bridge, the wireless network and the link monitoring module. The data acquisition unit is communicated with an acquisition terminal through a wired and a wireless reserve links, which overcomes the frangibility of the prior single link system and eliminates the adverse effect of network paralysis caused by the dual-wireless network links suffer the same extrinsic factor.

The invention discloses an electric-power emergency system evaluation model construction method based on frangibility. The method includes the following steps: step1: setting up an evaluation index system of an electric-power emergency system; step2: calculating the weight of evaluation indexes; step3: calculating the evaluation result; step4: analyzing the evaluation result. The electric-power emergency system evaluation model construction method based on the frangibility enables an electric-power emergency system evaluation method to be quantized so that the method is different from traditional obscure subjective evaluation methods and capable of grasping weak points and weak links which exist in the system from a macroscopic angle. Through forming the electric-power emergency evaluation index system and using a comprehensive index method, a frangibility result of an inspected electric-power emergency system is obtained.

The invention discloses a method for preparing high-strength ionic lyogel. The method is as follows: a monomer, an initiator and a crosslinking agent are added into an ionic liquid for polymerization, and the high-strength ionic lyogel is obtained under the condition that the polymerization temperature is between 50 and 80 DEG C, the polymerization time is between 6 and 12 hours, the mass percent concentration of the monomer in the ionic liquid is between 5 and 30 percent, the amount of the initiator is 0.01 to 0.5 percent of the mass of the monomer, and the amount of the crosslinking agent is 0.1 to 1 percent of the mass of the monomer. The high-strength ionic lyogel prepared by the method can overcome the defects in the prior ionic liquid of low strength, frangibility, poor processability and deforming property and so on because the maximum compression stress of the high-strength ionic lyogel can reach 30 MPa, and becomes a nonaqueous medium material with high mechanical strength, good elasticity and no environmental condition limitation, so that performance guarantee is provided for actual large-scale application of the ionic lyogel in the fields of novel solar cells, lithium cells, super capacitors, artificial muscle, electrochromic devices and so on.

The invention discloses a method for preparing a shrimp meat water-retaining agent, which belongs to the technical field of food additives. In the method, table salt, a hydrocarbonate, citrate and gluconic acid-delta-internal ester are used as raw materials, and 20 to 50 parts of table salt, 5 to 30 parts of hydrocarbonate, 1 to 20 parts of citrate and 1 to 20 parts of gluconic acid-delta-internal ester are mixed. The water-retaining agent can be used in the preparation of pre-prepared frozen shrimp meat. When the water-retaining agent is used, the quality structure of the frozen shrimp meat is improved obviously, hardening, frangibility and meat roughening are prevented and juice loss is relieved in a cooling process of the shrimp meat, the unfreezing weight-loss ratio of the frozen shrimp meat can be reduced to 1.4 to 2.2, the net weight increase is up to 16 to 19 on the basis of the weight of the raw material shrimp meat, the obtained products have the advantages of full shrimp meat body form and transparency, and the cooled products are crispy, tender and elastic and have good flavor. The invention has the advantage that the water-retaining agent is low in cost and from toxic and side effect, does not contain composite phosphate and can replace the conventional water-retaining agent.

The invention relates to a fault risk assessment method of a heavy-type roller loading intelligent robot. The method is characterized by analyzing real-time data of a robot equipment sensor; calculating an identification data trend parameter; diagnosing whether data is abnormal and distinguishing a latent fault; according to the data dynamic trend parameter, an equipment importance degree and equipment frangibility, calculating a corresponding risk value caused by the latent fault; dividing a corresponding risk grade; if a risk exceeds a safety grade, sending an emergent stop signal; and synthetically pre-estimating an accident type caused by the latent fault and notifying work personnel to carry out maintenance. In the invention, according to a data value deviation trend, a generation probability of the risk is calculated; through combining the equipment importance degree and the frangibility, a risk influence is acquired so as to calculate a total risk value of the robot and pre-estimate the accident type of the risk; before the fault is generated, existence of the fault can be detected, a dynamical risk direction is known, a purpose of effectively reducing economic and time cost is reached, and work efficiency of the robot is increased.

The invention provides a three-dimensional (3D) glass machining method and a cutting tool of a numerical control machine, and belongs to the technical field of machinery. According to the method and the tool, the problems of frangibility and low yield of glass in an existing 3D glass machining method are solved. The 3D glass machining method comprises the following steps of: pretreatment: knowing a margin between a 3D glass blank 8 and a 3D glass finished product; cutting: if the margin is greater than a set margin, performing rough cutting until the margin is smaller than the set margin, and performing fine cutting until the 3D glass finished product meets a product design requirement; if the margin is smaller than the set margin, directly performing fine cutting until the 3D glass finished product meets the product design requirement. The cutting tool of the numerical control machine comprises a cylindrical body, wherein an annular concave shoulder is arranged at one end of the body; the surface of the annular concave shoulder is a tool machining surface; a part matched with the target shape of a product is arranged on the surface of the annular concave shoulder; carborundum is coated on the surface of one end of the body. 3D glass processed by using the 3D glass machining method has the advantages of high yield and high production efficiency.