1088results about How to "Cause harm" patented technology

The invention provides a security detection method and system of an Android application program, aiming to solve the problems of an antivirus method of the existing Android platform that the scanning speed is slow and the false positive ratio is high. The method comprises the following steps of: scanning an Android installation package and extracting appointed characteristic information from the Android installation package; finding characteristic records which are matched with the appointed single characteristic information or a combination thereof from a pre-arranged security identification base, wherein the security identification base comprises the characteristic records and security grades corresponding to the characteristic records, and each characteristic record comprises single characteristic information or the combination of the characteristic information; and respectively displaying the security grade corresponding to the found characteristic records in a security detection result of the Android installation package. The security detection method and system of the Android application program disclosed by the invention have the advantages of fast scanning speed and high searching and killing accuracy.

The invention relates to a vanadium-titanium oxide catalyst which can resist alkaline metal and alkaline earth metal poisoning. The catalyst is characterized in that the vanadium-titanium oxide catalyst is doped with an element Ce. The catalyst has fine resistance to alkaline metal poisoning, and above all, the doped cerium component has no influence on the activity of the SCR (selective catalytic reduction) catalyst while improving the resistance of the V2O5 / (MoO3)x(WO3)1-x-TiO2 catalyst to alkaline metal poisoning. The preparation method of the catalyst is simple and easy to implement and has very excellent N2 generation selectivity; and meanwhile, the Ce is a non-poisonous component and can not do harm to human health and ecological environment.

The invention provides a security detection method and system of an Android application program, solving the problems of low scanning speed and high false alarm rate of the traditional virus killing method of an Android platform. The security detection method comprises the steps of: scanning an Android installation package, extracting appointed characteristic information from the Android installation package; uploading the appointed characteristic information to a server, searching a characteristic record matched with appointed single characteristic information or combination from a security identification base preset in the server; and receiving a security detection result returned by the server aiming at the Android installation package, and displaying on a client end user interface, wherein the security detection result includes a security level corresponding to the characteristic record searched by the server. The client end detection is combined with the server detection, thus the security detection method is high in scanning speed and high in killing accuracy rate.

A multifunctional scouring detergent with constituents (by weight percentage) of, mixed solvent 2-70, surface active agent 3-30, inorganic salt 0-10, water for the rest. The multifunctional cleaning agent can effectively remove the stains of chewing gum, scotch tape colloid residual and paint film coating.

The invention relates to a material capable of completely biodegrading, containing the following parts by weight:100 of polyester resin, 5-100 of polylactic resin and the multipolymer thereof, 10-80 of compounding converted starch, 10-60 of inorganic fillers and 0.1-0.9 of resin acceptor, wherein the polyester resin is at least one of polybutylene succinate resin, polybutylene adipate resin and the multipolymer thereof. The invention also provides a preparation method of the material. The material capable of completely biodegrading can combine the advantages of each component and has high intensity, modules, elongation at break and toughness, good heat resistance, and the like, thereby meeting the property requirements of a plurality of plastic products in the market and in particular products, such as non-returnable containers, mess kits, agricultural films, and the like, which cause serious white pollution, retaining the complete biodegradability of the material and reducing the production cost under the precondition of no influence on the property requirement.

The invention relates to a microorganism enhanced oil recovery method, in particular to a method for improving oil well yields by means of oil pool indigenous microorganisms. The method includes the following steps of (1) screening of a test oil well, (2) screening of activating agents, (3) confirming of the injection rate of the activating agents, (4) confirming of well closing time and (5) on-site testing. By means of the indigenous microorganisms existing in the activated oil well, on-site test cost is thereby saved, different formulas of the activating agents are chosen according to the different indigenous microorganisms, activating effects and on-site test effects are effectively improved, the stratum cannot be damaged and the environment cannot be polluted when nutrient substances are injected, and therefore the method can be widely used for microorganism enhanced oil recovery.

The invention provides a non-contact rapid hand multimodal information fusion identification method, which is characterized by comprising the following steps of: (1) acquiring hand images; (2) positioning key characteristic points of hand shapes; (3) extracting eigenvectors of the hand shapes; (4) positioning a palmprint ROI (region of interest) region and extracting eigenvectors; (5) setting a threshold value and carrying out primary matching of characteristics of the hand shapes to obtain alternative people; and (6) carrying out primary matching on palmprint images of the alternative peopleby a palmprint identification method to provide final judgment. The invention provides the personal identity identification method on the basis of multimodal biological characteristics of the hand shapes and palmprints, which is convenient and rapid to use, has no damage to a human body, cannot spread diseases, has high identification speed and can improve the identification rate and the stability of a system.

The present invention relates to amino resin intumescent aqueous flame retardant coating, in particular to an intumescent aqueous flame retardant coating. The present invention eliminates the release of harmful organic volatile compounds of the inflaming-retardant coating in use, improving poor fire resistant performance of dewatering catalyst due to a high disassembling temperature, solving the problems of long manufacturing period, low efficiency and high cost of the inflaming-retardant wood materials. The materials for the present invention comprises amino resin, polyvinyl acetal resin, dewatering catalyst, melamine, charring agents, dope assistant, antifoaming agent, palette filling and water. The present invention has storage for a long time, good cohesion, slow and low emission of heat and low emission of smoke, enjoying good flexibility and good strike-resistant performance; furthermore, the present invention can be manufactured easily and used conveniently and can be easily popularized without emission of harmful organic volatile in use. Compared with a prior wooden inflaming-retardant liquid, the present invention has the advantages of simple process, convenient operation, low cost and high efficiency.

An eco-friendly sand stabilization dust depressor is dark-brown milky liquid prepared by biomass materials, surfactants, water-soluble polymers, moisturizers, preservatives and water through mixing. The viscosity of the dust depressor is 50-80 centipoise at the normal temperature. The biomass materials are solid cake-like residues of plant seeds after a squeezing and oil pressing process or solvent digestion; the water-soluble polymers are carboxymethylcellulose and polyvinyl alcohol; and the moisturizers are magnesium chloride, calcium chloride, sodium sulfate, sodium silicate and the like. The obtained sand stabilization dust depressor is eco-friendly; and the preparation process is simple, short in process and easy to operate. The eco-friendly sand stabilization dust depressor has the advantages of being environment-friendly, non-toxic and free of pollution; and capable of effectively controlling soil wind erosion and land desertification, reducing dust weather, playing roles in sand stabilization, dust proofing and depression, and being widely used in severe wind erosive areas such as suburban farmlands, wastelands, degraded grasslands and deserts.

The invention belongs to the technical field of bioremediation of marine oil pollution, and relates to an immobilized algal-bacterial symbiotic system for processing petroleum pollutants. The immobilized algal-bacterial symbiotic system is prepared by the following steps: (1) selection and axenic cultivation of algae species, firstly carrying out lysozyme and sodium dodecyl sulfate (SDS) sterile pretreatment on chlorella algae fluid, and then inoculating into a BG11 culture solution containing antibiotics to carry out sterile cultivation, so as to obtain sterile chlorella algae fluid for later use; (2) selection and cultivation of petroleum degrading bacteria; (3) preparation of composite carrier bacteria algae gel balls, namely immobilizing the sterile chlorella algae fluid obtained in the step (1) and the petroleum degrading bacteria obtained in the step (2) by adopting sodium alga acid and polyvinyl acetate (PVA) as immobilized carriers, and finally obtaining the immobilized algal-bacterial symbiotic system. The immobilized algal-bacterial symbiotic system can float on the water to carry out degradation of petroleum pollution, and is free of secondary pollution, free of toxic action on microorganisms, rapid in reaction speed, stable and reliable in operation, less in microorganism loss, and free of separation.

The invention discloses a microbial deodorizing microbial inoculum for public toilets, livestock and poultry farms and refuse collection points. The microbial deodorizing microbial inoculum contains pichia jadinii with the preservation number of CGMCCNO.5982, issatchenkia orientalis with the preservation number of CGMCCNO.6496, lactobacillus sp. with the preservation number of CGMCCNO.6495, streptococcus thermophilus with the preservation number of CGMCCNO.5985, bacillus licheniformis with the preservation number of CICCNO.20085 and streptomyces microflavus var. lactosus with the preservation number of CGMCCNO.4891. The invention also discloses a preparation method of the microbial deodorizing microbial inoculum in both liquid and solid states, and application of the microbial deodorizing microbial inoculum.

The invention discloses a fruit color enhancer and a method for promoting fruit coloration by using the same. The fruit color enhancer comprises photosynthetic bacteria, and also can comprise at least one of anthocyanin solution, chitin, chitosan, chitosan oligosaccharide, potassium dihydrogen phosphate, potassium sulfate and a wetting agent. The fruit color enhancer is sprayed on the surfaces of fruits or leaves for 1 to 5 times 1 to 45 days before the fruits are harvested, and the effect is more obvious when the fruit color enhancer is directly sprayed on the fruits instead of the surfaces of the leaves. By the method, harmful substances are not remained in the fruits, and sugar degree and hardness are improved to a certain extent. The method is suitable for the fruits of apples, grapes, cherries, tomatoes and the like, and has great significance for improving appearance and internal quality, and increasing the value and export yield of the fruits, and the income of peasants.

The invention discloses a method for making natural gas by underground coal bed microorganism. Mainly, culture solution is utilized to cultivate and activate flora existing in the coal bed to convert underground methane flora into methane gas. The invention not only can convert coal into methane to serve as natural gas but also can improve the air permeability of the coal bed in the gas making process, so that the invention has an important meaning for improving the drainage capability of methane and ensuring upper safe extraction; more importantly, percent conversion is high, and converted coal bed resource can be reused so as to overcome the defects of the existing hot gasification method that percent conversion is low, and coal resource in the gasification area can not be reused after gasification ends.

The invention relates to a livestock and poultry excrement microbial deodorizing agent, and a preparation method and an application thereof. The invention discloses a composite biological preparation used in public toilet deodorization. The composite biological preparation comprises a lactobacillus strain which is lactobacillus sp with a collection number of CGMCC NO: 5983, a lactobacillus strain which is streptococcus thermophilus with a collection number of CGMCC NO: 5985, and an orange peel extraction liquid. The invention also discloses the preparation method of the composite biological preparation. The method comprises preparation methods of a liquid composite biological preparation and a solid biological preparation. The invention also discloses a purpose of the composite biological preparation.

The invention discloses a two-step activation preparation method of activated carbon and application thereof in a supercapacitor. The method comprises the following steps that blind coal is smashed and sieved, and an additive and a binder are added to be stirred; the mixture is added into a muffle furnace to be carbonized and then, shifted into a tubular activating oven, activated gas is introduced to be activated; diluted hydrochloric acid is used for acid pickling, filtering is performed, then, distilled water is used for washing, and a KOH solution is used for dipping; one-time activated carbon is placed into the activating oven, and protective gas is introduced to be activated; diluted hydrochloric acid is used for acid pickling, filtering is performed, then, distilled water is used for washing till pH is 7, and then drying is performed; reactivated de-ashing activated carbon is uniformly mixed with ethylene and polytetrafluoroethylene after being ground, the mixture coats foamed nickel, and after drying is performed, tabletting is performed to prepare the supercapacitor. Blind coal is adopted as a raw material, reaction conditions are mild, on the basis of the conventional activated carbon production technology, reactivation and de-ashing are performed, the synthesis cost is greatly lowered, and the huge application and popularization potential is achieved in the field of activated carbon for the high-performance supercapacitor.

The invention relates to a preparation method of an antistatic ultra-high molecular weight polyethylene (UHMWPE) / graphene composite material. The method comprises the following steps: putting UHMWPE and graphene powder in a high-speed stirrer to be stirred to obtain UHMWPE / graphene composite particles, wherein the graphene powder is added to the high-speed stirrer in 2-50 times and the materials are stirred for 10-30 seconds each time at a speed of 10000-30000r / min; preheating the UHMWPE / graphene composite particles at 180-240 DEG C for 5-10 minutes, and then carrying out hot pressing for 30 minutes under the conditions of the same temperature and 10MPa, thus obtaining the UHMWPE / graphene material. The method has the beneficial effects that solvents are not involved in the method; the required antistatic composite material is prepared through electrostatic adsorption and hot press molding; the prepared material has a three-dimensional net structure; the percolation value of the material is slightly higher than that of the material prepared by a solution method.

The invention discloses a biological treatment method for waste mud in petroleum and natural gas exploration drilling work, which is characterized by comprising the following steps of: a, forming a microbial treatment layer, namely inoculating special microbial strains to the waste mud in a weight ratio of 3-5: 100, mixing the strains and the waste mud uniformly, stirring the mixture and natural soil with water content of 10 to 10 percent and grain diameter of less than 0.5 centimeter uniformly according to the density condition of the waste mud in a following mode to form the microbial treatment layer, adding the natural soil in an amount which is 2.5 to 3 times that of the waste mud into the waste mud with density of 1 to 1.5kg / L, adding the natural soil in an amount which is 2 to 2.5 times that of the waste mud into the waste mud with density of 1.5 to 2.5kg / L, and controlling the water content of the microbial treatment layer to be between 25 and 30 percent; b, treating the soil; and c, treating plants. The method can solve the technical problem that effusion enters underground water to pollute a water source because the natural soil with high water content and large grain diameter is easily scoured by hard rain under the condition that pollutants in a pretreatment mixture are not yet effectively degraded in the prior art.

The invention provides a method for breeding honeybees and belongs to the technical field of animal husbandry. The breeding method comprises following steps: first, selecting a honeybee breeding ground, establishing beehives and eliminating honeybee mites by applying miticides to the beehive regularly; feeding with forage a during nights and additionally feeding with forage b during spawning period of queen bees; the forage a comprises following raw materials: honey, white sugar, banana juice, watermelon juice, sugar cane juice, apple juice, citric acid, edible salt and water; the forage b comprises following raw materials: pollen, soy flour and protein powder. The breeding method is safe and reliable; through breeding ground selecting, bee mite killing and scientific forage feeding, bee colony is gradually developed, wherein the forage is prepared from natural raw materials which can bring sufficient sugar and nutrient for the honeybees, promote well development of honeybees, reduce morbidity, increase the quality and edible safety of honey.

The invention discloses alum-free vermicelli which is prepared from the following raw materials in parts by weight: 0.3-0.5 part of compound gluten fortifier, 0.3-0.5 part of compound phosphate, 2.5-5.0 parts of denaturized starch, 100 parts of starch and a proper amount of water through the steps of mixing, stewing, freezing and airing. The invention also discloses a preparation method of the alum-free vermicelli which is prepared from the raw materials in the weight ratio through the following steps of pulping, filtering, purifying, dewatering, pouring starchy sauce over the dish, curing, vacuumizing, forming, ageing, airing and the like. The vermicelli provided by the invention contains no sulfur dioxide, lead or total arsenic, the aflatoxin content accords with the national standard, the lead content is far lower than the national standard requirement not higher than 100mg / kg; fine sand and dust mixed in the starch can be sufficiently removed through the filtering and purifying processes, and the vermicelli is pure in color and luster and contains the dust content which is not higher than 0.7%; and due to the adoption of the periodical ageing process, the inside and the outside of the vermicelli are frozen uniformly, no barring and white tip phenomena are caused, the broken bar rate is not higher than 3% after rehydration, vermicelli is straight in bar shape, smooth in taste and free of foreign smell.

The invention discloses a compound biological agent for deodorizing public toilets. The compound biological agent contains a lactic acid bacteria: Lactobacillus sp. With the preservation number of CGMCC NO5983 and a lactic acid bacteria: Streptococcus thermophilus with the preservation number of CGMCC NO5985. The invention further discloses a preparation method of the compound biological agent for deodorizing the public toilets, namely the preparation method of compound biological agent and compound solid biological agent, as well as use of the compound biological agent.

The invention discloses a maize variety identification method based on near infrared spectrum and information processing. The method comprises the following steps of: collecting spectrum data of maize seeds by adopting a Fourier transform diffuse reflectance near-infrared spectrometer; analyzing main components by adopting normalization according to the characteristic of spectrum, i.e. normalizing the quadratic sum of projections of sample points on each principal axis; adjusting the distribution of the sample points in a feature space; adjusting the weights of the main components according to the diffusion condition of the data projections on each principal axis; and finally, classifying by adopting a nearest neighbor classification method. Compared with the traditional chemical identification method, the method provided by the invention is efficient and rapid and needs no professional person to operate.

The invention belongs to the field of failure analysis for integrated circuits. The invention provides a location method for defect points of an integrated circuit. The method disclsoed by the invention comprises the following steps of: unsealing an integrated circuit, electrifying at both ends of a short-circuit pin of the integrated circuit to form a hot spot simultaneously, and then shooting via an infrared thermal imaging microscope, and comparing with a picture shot when the electrifying is not performed, and thus accurately locating an accurate position of a micro short circuit, and providing effective information for the follow-up further analysis. The location method for the defect points of the integrated circuit, disclosed by the invention, has the following advantages that 1. the method disclosed by the invention can accurately locate the defect points of a micro short circuit of the integrated circuit with fast speed, low cost and high efficiency; 2. the method disclosed by the invention has no injury on human bodies; and 3. the method disclosed by the invention greatly improves the success rate of packaging-level failure analysis.

The invention relates to a transition metal doped cerium and titanium compound oxide catalyst for selective catalytic reduction of nitric oxide by ammonia, and a preparation method thereof. The catalyst in the invention is a transition metal (iron, tungsten and molybdenum) doped cerium and titanium compound oxide catalyst. The preparation method of the catalyst is a co-precipitation method, which comprises the following steps of: preparing mixed solution from cerium salt, titanium salt and salt corresponding to one or more transition metals of iron, tungsten and molybdenum, and continuously stirring for 3 to 15 hours at the temperature of between 50 and 150 DEG C by using one of ammonia water, sodium hydroxide, sodium carbonate, ammonium bicarbonate or urea; and filtering, washing, baking and calcining. In the invention, the adopted raw materials are non-toxic and harmless, the preparation method is simple and easy, the prepared catalyst has the characteristics of high catalytic activity, excellent N2 generation selectivity, broad operation temperature window, high space velocity reaction condition adaptability and the like, and is suitable for mobile sources represented by tail gas of diesel vehicles, as well as stationary source nitric oxide catalytic purification device represented by flue gas of coal fired power plants.

The invention relates to a red light fluorescent powder for the injection luminescence diode and its producing method. The chemical formula of the invention is Ca4(1-x)O(PO4)2:xEu2+, wherein, x=0.01-10%. The producing method includes mixing the carbonate, oxide, phosphate, oxalate, nitrate which represents the element in formula, grinding and mixing uniformly, sintering for 3-7 hours at 1350-1550 DEG C at deoxidized atmosphere, getting a red light fluorescent powder for the injection luminescence diode, emitting red light excited by the ultraviolet light or blue light gallium nitride as light source, with the main emitting wavelengh respectively near 612 nm. The excitation band overlaps with the emitting peak of the blue light gallium nitride LED, which can be effectively excited and used as a red fluorescent powder for near ultraviolet or blue LED.

The invention provides a metallographic corrosive agent for amorphous alloys, which comprises a primary corrosive agent and a secondary corrosive agent, wherein the primary corrosive agent is mixed liquor of hydrofluoric acid, phosphoric acid and oxalic acid, and the secondary corrosive agent is water liquor of FeCl3 (ferric trichloride) and KCl (potassium chloride). The invention further relates to an observation method for metallographic structures of the amorphous alloys, which includes the steps of placing the amorphous alloys under a metallographic microscope after rough grinding, fine grinding and polishing for the surfaces of the amorphous alloys and after corroding the amorphous alloys with the metallographic corrosive agent. The steps of corroding the amorphous alloys with the metallographic corrosive agent include: a etching the surfaces of the amorphous alloys with the mixed liquor of the hydrofluoric acid, the phosphoric acid and the oxalic acid, and b wiping the surfaces of the amorphous alloys with the water liquor of the FeCl3 and the KCl. The metallographic corrosive agent is beneficial to observation of the metallographic structures of the amorphous alloys and evaluation of the quality of the amorphous alloys.

The invention discloses a fruit coloring adjunct and a method for promoting fruit coloring with the same, wherein the fruit coloring adjunct comprises anthocyanosides liquid, also can comprise at least one of photosynthetic bacteria, chitin, chitosan, chitosan oligosaccharide, monopotassium phosphate, lemery and wetting agent. Within one to forty-five days before picking up, the fruit coloring adjunct is sprayed to the surface of fruit once to five times. The effect of directly spraying the fruit coloring adjunct to the fruit is better than the effect of spraying the fruit coloring adjunct toleaf surfaces. No harmful substance remains in the fruit by using the method, and the sugar content and the hardness of the fruit are enhanced. The invention is suitable for fruit, such as apples, grapes, cherries, tomatoes, and the like, and has important meanings for enhancing the fruit valve, increasing the export yield, and enhancing the income of peasants.

The invention relates to a cellophane direct flotation collecting agent and a method for preparing the cellophane direct flotation collecting agent, in particular to a novel cellophane direct flotation collecting agent which is formed by modification and compounding of fatty acid and the like. The method for preparing the cellophane direct flotation collecting agent comprises the steps that by weight, 20%-80% of cotton oil residues and 10%-60% of higher fatty acid are respectively added to a reaction still, strong base solution with any concentration is slowly added to the reaction still, the use amount of strong base is 5%-20% within the temperature of 60DEG C-150DEG C, the solution in the reaction still is well stirred at the speed of 500-2500rad / min, is cooled to the temperature of 60DEG C or so, then 0-20% of chlorinated fatty citric acid acids ester is added to the solution and the solution is well stirred, and accordingly the cellophane direct flotation collecting agent is obtained. The cellophane direct flotation collecting agent is high in selectivity and cellophane-carrying capability, has good sorting effect under a normal temperature, and can reach an excellent flotation index.

The invention discloses a double-faced polishing method of gallium phosphide wafer, which comprises the following steps: (1) cleaning the wafer in the abluent through ultrasound; controlling the temperature between 50 deg. c and 100 deg. c; (2) pasting; (3) placing the cooled polishing disc on the polishing cloth; using polishing arm to fix the polishing disc under 10-50psi; setting the flow of the polishing liquid at 10-40ml / min under 5-25 deg. c to polish; flushing after the thickness is standard; (4) removing the wafer; pasting; polishing another face; (5) detecting the cleaning. The invention has strong operation and convenience and utility with low cost for chemical agent, which improves the polishing yield over 85% without harming environment and human body. The total thickness of the wafer is not more than 6um with angularity not more than 25um and wafer flatness not more than 5um, which avoids the defect of spot, fog, particle, crack, orange peel and so on.

The invention relates to an intelligent plug and a socket for safe power use. The plug comprises a plug housing and insertion sheets. The plug housing is provided therein with a switch sliding plate and a moving block. A first baffle plate and a second baffle plate are capable of being inserted into the clamping grooves corresponding to the insertion sheets, the switch sliding plate and the moving block. The direction guide column of the moving block penetrates the electromagnetic coils. A first spring is fixed between the plug housing and the insertion sheets; a second spring is fixed between the push plate of the moving block and the plug housing; the plug housing is provided therein with a coil switch and a position limiting switch. For the conductive wire between the two insertion sheets, the two insertion sheets are connected in series with the electromagnetic coils, the coil switch and the position limiting switch. The socket comprises an insertion and connection cavity that matches the plug housing. The insertion and connection cavity is provided therein with a first socket clamping block that clamps with the sliding plate clamp on the switch sliding plate and a second socket clamping block that clamps with the operation port on the plug housing. According to the invention, in the plugging process, the sheets could automatically pop out and are collected so as to avoid electric shocks and igniting accidents. When plugged, the plug and the sockets are well fixed, providing safe and convenient use.