496results about How to "Improve health and safety" patented technology

In certain embodiments, the invention relates to an article having a liquid-impregnated surface. The surface includes a matrix of solid features (e.g., non-toxic and / or edible features) spaced sufficiently close to stably contain a liquid therebetween or therewithin, wherein the liquid is non-toxic and / or edible. The article may contain, for example, a food or other consumer product, such as ketchup, mustard, or mayonnaise.

The invention relates to an intelligent trash can. A bag feeding device, a bag opening device and a control circuit board are arranged in a shell of the trash can, the bag opening device comprises a fixed bag opening mechanism and a movable bag opening mechanism, the fixed bag opening mechanism comprises a first clamping plate, a first rotating shaft, a first bag opening motor, a first magnetic attraction portion and a first bottom plate, the movable bag opening mechanism comprises a second clamping plate, a second rotating shaft, a second bag opening motor, a second magnetic attraction portion, a second bottom plate and a horizontal drive assembly, the first clamping plate is rotatably mounted on the first bottom plate, the second clamping plate is rotatably mounted on the second bottom plate, the first clamping plate is in drive connection with the first bag opening motor, the second clamping plate is in drive connection with the second bag opening motor, the first magnetic attraction portion is arranged on the first bottom plate, the second magnetic attraction portion is arranged on the second bottom plate, and the second bottom plate is mounted on the horizontal drive assembly in a manner of being capable of horizontally moving; thus, automatic bagging can be achieved, the problems that a trash bag falls off, and a bag opening cannot be opened are solved, the performance is stable and reliable, the structure is ingenious and compact, production and machining are easy, the cost is low, and the market competitiveness is high.

Systems, methods, and computer programs for monitoring a drilling operation in a subterranean formation include receiving, from a first sensor array, one or more seismic signals caused, at least in part, by the drilling operation in the subterranean formation; receiving, from the first sensor array, one or more electromagnetic signals generated by an electro seismic or seismoelectric conversion of the one or more seismic signals caused, at least in part, by the drilling operation in the subterranean formation; and determining a property of one or more of the drillstring and the subterranean formation based, at least in part, on the seismic signals and the corresponding electromagnetic signals received from the first sensor array. The first sensor array is arranged to monitor the drilling operation.

An apparatus includes a conductive plate operable to generate a reference signal and a shield configured to surround at least a portion of the conductive plate and to attenuate at least a portion of a horizontal electromagnetic signal. The apparatus also includes an electrode configured to be electrically coupled to the shield and to a ground, where the electrode is responsive to a vertical electromagnetic signal, and the vertical electromagnetic signal generated by a subsurface earth formation in response to an electroseismic or seismoelectric conversion of a passive electromagnetic source signal. The apparatus also includes an amplifier comprising a first input and a second input, where the first input is configured to electrically couple to the conductive plate and the second input is configured to electrically couple to the electrode.

A method for surveying, may include receiving, by a processor, first survey data from a first source, the first source comprising a first signal generated by a subsurface earth formation in response to a passive-source electromagnetic signal, wherein the electromagnetic signal is generated by an electroseismic or seismoelectric conversion of the passive-source electromagnetic signal. The method may also include receiving, by the processor, second survey data from a second source and processing the first survey data and the second survey data to determine one or more properties of a subsurface earth formation.

This invention provides a sheet polarizer,including polyvinyl alcohols polarizing film, sticking agent layer separated from polyvinyl alcohols polarizing film through at least on face and overlapped with protect film. Said sticking agent layer is comprised of sticking agent components containing followed water solution. Said water solution contains acetyl modified PVA resin and glyoxylate indicated by formula (I) and has a pH valve ranged in 4-10. where, the content of acetyl modified PVA resin is 1-8%( percentage by weight) compared to the 100% water(percentage by weight), the weight ratio of acetyl modified PVA resin with the solid glyoxylate is in the range of 1:0.03-0.25. in formula (I) , M represents alkali metals or alkaline-earth metals, n represents valence mumber correspond to M, indicating 1 or 2. According to said sheet polarizer, sticking property together with warm water resistance between the polarizing film and the protect film are improved.

The invention discloses a low-stibium aluminum-brass alloy with dezincification corrosion resistance and a preparation method thereof. The alloy comprises the following chemical components: 58.8 to 63 weight percent of copper, 0.25 to 0.65 weight percent of aluminum, 0.105 to 0.35 weight percent of stibium, 0.03 to 0.25 weight percent of lead, 0.04 to 1.5 weight percent of other element, and the balance being zinc and inevitable impurities, wherein the weight percentage of the copper, the zinc, the aluminum, the stibium and the lead is more than 98.2 weight percent, and the other element is at least one element selected from boron, tin, phosphorus, nickel, bismuth and iron. The preparation method comprises: adopting methods of alloying treatment, covering, protecting, dreg removing, purifying and refining, casting the low-stibium aluminum-brass alloy by fusion, thermally processing the alloy at a temperature of between 680 and 740 DEG C; and then carrying out cold processing and intermediate thermal treatment on the alloy, and carrying out stress relieving annealing at a temperature of lower than 380 DEG C after a finished product is subjected to cold processing. The alloy product has the advantages of excellent dezincification corrosion resistance, thermal forming property, mechanical property and easy polishing and plating properties, good cutting property, remarkably excellent hygienic safety, simple manufacturing technique, low cost and easy recycling.

The invention discloses an easily-cut silicon brass alloy and a preparation method thereof. Chemical components of the silicon brass alloy include 59.2-63.5wt% of copper, 0.35-0.9wt% of silicon, 0.04-0.25wt% of lead and 0.22-0.38wt% of phosphor, other elements account for 0.005-1.1wt%, and the rest include zinc and inevitable impurities, wherein, the total amount of the copper, the zinc, the silicon, the lead and the phosphor is larger than 98.7wt%, and the other elements include at least one element selected from a group consisting of tin, nickel, iron, stibium and manganese. The preparation method is as follows: a method for alloying and for purifying and refining a covered and protected alterative scarfing cinder is adopted for smelting the easily-cut silicon brass alloy, then intermediate heat treatment is carried out at a temperature of 560-660 DEG C after coldworking with a working rate ranging from 4 percent to 25 percent, and a final finished product resulting from the working undergoes stress relief annealing at a low temperature of 380 DEG C. The invention has the advantage that the easily-cut silicon brass alloy has high tensile strength, excellent thermal formability, dezincing resistance, safe and sanitary performance and remarkable excellent cutting performance; meanwhile, the preparation process of the easily-cut silicon brass alloy is simple, the cost is low, and the easily-cut silicon brass alloy can be easily recycled.

The present concept is a method of cladding and fusion welding of superalloys and includes the steps of firstly application of a composite filler powder that consists of 5-50% by weight brazing powder which includes melting point depressants, and 50-95% by weight high temperature welding powder, to a superalloy base material. Secondly there is simultaneous heating of the base material and the composite filler powder by a welding heat source that is movable relative to the base material. There is heating to a temperature that will fully melt the brazing powder and at least partially melt the high temperature welding powder and also melt a surface layer of the base material, thereby forming a weld pool. Thirdly upon solidification and cooling of the weld pool, there is coalescence between the weld bead and the base material.

The invention discloses a garbage recycling method, an intelligent control terminal, a garbage recycling system and a readable storage medium. The garbage recycling method comprises the steps that whether a dustbin needing to be subjected to garbage recycling exits or not is detected through a sensor; when the dustbin needing to be subjected to garbage recycling exits, a first serial number of thedustbin and a second serial number of a garbage chamber where the dustbin is located are obtained; image information inside the dustbin is collected through a camera arranged in the garbage chamber,and the type of garbage in the dustbin is determined through intelligent image identification; the quantity of the dustbin needing to be subjected to garbage recycling and the position of the garbagechamber are determined according to the serial numbers; a garbage recycling truck matched with the garbage type, the quantity of the dustbins and the position of the garbage chamber is obtained by querying a database, and recycling paths between the garbage recycling tuck and the garbage chamber are calculated; and the optimal recycling path is selected from the recycling paths, and a garbage recycling task is generated and transmitted to the garbage recycling truck. According to the garbage recycling method, the intelligent control terminal, the garbage recycling system and the readable storage medium, intelligent garbage classification during garbage recycling is achieved, and the garbage recycling efficiency and the garbage utilization rate are improved.

The purification method includes, starting from a solution selected from (i) a solution containing a mixture of FVIII and FvW, (ii) a solution containing FvW, (iii) a solution derived from a secretion of a non-human animal and (iv) a solution derived from a FVIII-containing plant extract, a step of absorption of FVIII or FvW on an ion-exchange chromatography filter-type membrane.

The invention relates to a method for quickly thawing frozen pork, in which radio frequency equipment with the frequency of 27.12 MHz is employed to quickly thaw bulk frozen pork. The process is as follows: placing the bulk frozen pork in a space between two metal polar plates of the radio frequency equipment, setting a spacing between the polar plates, starting a radio frequency power supply to perform thawing, and stopping thawing when the temperature at the center of the bulk pork reaches -5-0 DEG C. With the adoption of the method, thawing can be quickly achieved, it only takes few tens of minutes to thaw thick bulk frozen pork, and furthermore, temperature distribution in the pork is uniform after thawing, and little thawing liquid is lost with few contaminant colonies.

The biological preservation method of cooled meat includes surface washing of fresh animal meat, low temperature acid elimination, packing, preservation at low temperature, and other steps, and features the treatment of the fresh animal meat after low temperature acid elimination with rice wine and lactobacillus sake LS-MA3-10 (CGMCC No. 0690). By means of the effect of the dominant bacterium, low pH value and generated bacteriocine, the present invention can inhibit the propagation of putrefactive microbe effectively to prolong the shelf period of the product.

The invention discloses a double-component solvent-free reactive polyurethane hot-melt adhesive and a preparation method thereof. The double-component solvent-free reactive polyurethane hot-melt adhesive is characterized by comprising a component A and a component B, wherein the component A is a bifunctional or polyfunctional isocyanate-terminated prepolymer, and the isocyanate content is 2-25%; the component B is a bifunctional or polyfunctional hydroxyl-terminated polymer, and the hydroxyl value is 10-250 mg KOH / g; and when the temperature is 50 DEG C, the viscosity of the component A and component B is not lower than 1000 cps. The double-component solvent-free reactive polyurethane hot-melt adhesive disclosed by the invention solves the problem of no initial viscosity in the common double-component solvent-free reactive polyurethane adhesive, and has the advantages of lower cost and wider applicability as compared with the common single-component solvent-free reactive polyurethane hot-melt adhesive.

The invention provides an addition material for confectionery production or breadmaking, a preparation method thereof and a farina heat-processed food product using the same, and relates to the addition material for confectionery production or breadmaking, the preparation method thereof and the farina heat-processed food product using the same, which solves problems of high product cost and high preparation technique demand caused by limited increased starch content due to machine limit in the ingot-shaping process, low yield for ingot production grain by grain, as well as big apparatus scale and large initial investment working cash in the prior art. The addition material for the confectionery production or breadmaking takes saccharides, starch, or saccharides, starch and tackify polysaccharides and water as well as water raw material and pigment generally for various foods as the essential components and is prepared by pelleting shaping and drying. The addition material for the confectionery production or breadmaking is blended in a dough of a thermally processed farina food and then heated and made to the farina heat-processed food.

The present invention relates to a strain for food preservation and its antibacterial product, belonging to the field of food bio-technology. The antibacterial product produced by Bacillus subtilis strain fmbJ has obvious depressing effect for main pathogenic bacteria and putrefactive bacteria in the food, including 7 Gram-negative bacteria, 3 Gram-positive bacteria and 4 moulds. Its production process includes the steps: slope, shave-flask seed, seed tank, fermentation tank, separation extraction and antibacterial metabolic product.

The invention relates to a disposable tea processing technology. The disposable tea processing technology comprises the following steps: removing impurities from tea, degrading pesticide residue by ozone-microwaves, removing harmful heavy metals by supercritical carbon dioxide extraction, sterilizing at the low temperature and high pressure and automatically packaging. The disposable tea processing technology can be used for removing the impurities from the tea by adopting an impurity-removing process, degrading the pesticide residue in the tea by the ozone-microwaves, simultaneously improving the tea aroma, removing the harmful heavy metals in the tea by the supercritical carbon dioxide extraction, and killing harmful microorganisms in the tea by adopting a low-temperature high-pressure sterilizing process, so that the quality, cleanness and safety of green tea can be improved, and further the real disposable tea can be achieved.

The invention discloses a full-automatic fried bread stick forming machine which comprises a rack and a main control platform, a main machine box body and a fryer which are fixed on the rack. The rack is further provided with a dough kneading mechanism, a quick dough fermentation device, a kneading dough outputting mechanism, an extruding mechanism, a stretching mechanism, a cut-off mechanism and the fryer. A shaft body device with stirring fins in the dough kneading mechanism is alternately rotated in the left and the right direction to knead dough and output the dough to the quick dough fermentation device and then to the extruding mechanism through the kneading dough outputting mechanism, dough blank strips are extruded out through an extruding output plate and stretched by a stretching circular wheel with manipulators, the dough blank strips are put into the fryer after being cut by the cut-off mechanism, and then fried dough blank strips are conveyed to a finished product frame tank. Full-automatic production of the overall production process of fried bread sticks is achieved, and the problems that in the existing making process of the fried bread sticks, manpower needs to participate in making, sanitation is not easy to reach the standard, and time and labor are wasted are solved; the full-automatic fried bread stick forming machine is simple in structure, small in size, low in making cost, high in automation degree, clean, sanitary and capable of achieving continuous production.

The invention provides a packaging and printing paper substrate with antibacterial property. The printability of the paper substrate is good, and surface coating is adopted in the preparation of the paper substrate. The packaging and printing paper substrate comprises a paper substrate layer; aqueous coating material layers containing an antibacterial agent are uniformly coated on the upper and lower surfaces of the paper substrate. The antibacterial agent comprises an antibacterial functional material and a carrier. The antibacterial functional material is nano-grade silver or nano-grade silver and nano-grade copper. The carrier is nano-grade calcium carbonate. The weight percentages of the components are that: nano-grade metal silver takes 0.5-12.5%, nano-grade metal copper takes 0-1%, and nano-grade calcium carbonate takes 86.5-99.5%. The content of the antibacterial functional material in the aqueous coating material layers is 1-27ppm. According to the packaging paper substrate provided by the invention, inorganic nano-grade particles are adopted as the antibacterial functional component, and nano-grade calcium carbonate is adopted as the carrier of the antibacterial functional component. The paper substrate is advantaged in good antibacterial effect, low specific gravity, low cost, and improved printability. The paper substrate is especially suitable to be used in packaging paper in need of printing processing. The invention also provides a preparation method of the packaging and printing paper substrate.

The invention discloses a medical paper-plastic composite blue film and a preparation method thereof, the medical paper-plastic composite blue film is formed by combining a biaxially orientated polyester film which is printed and coated and a cast polypropylene film, the cast polypropylene film is divided into three layers of a corona layer, an intermediate layer and a heat seal layer, the raw material component of the corona layer is additive-free binary copolymer propylene resin RF401, the raw material components of the intermediate layer are 85-95% of binary random copolymer polypropylene resin F800E and 5-15% of ethylene-butene elastomer A-4085S, and the raw material components of the heat seal layer are 85-90% of binary copolymer propylene resin RF402 containing anti-sticky slipping agent, 5-15% of ethylene-butene elastomer A-4085S, 1-2% of inorganic anti-sticky agent ABPP10S and 0.5-1.5% of slip modified masterbatch SE07PP. The preparation method comprises the steps of printing, preparation of the cast polypropylene film, combination of the biaxially orientated polyester film and the cast polypropylene film and cutting. The medical paper-plastic composite blue film is matched with medical packing paper which can carry out heat sealing, steam sterilization and air infiltration blocking for carrying out packing of medical items, thereby reducing the packing cost and realizing safety performance of packing applications and environment-friendly treatment of packing wastes.

The invention discloses an alcohol-soluble polyurethane resin used in plastic ink. The alcohol-soluble polyurethane resin is characterized by comprising the following ingredients by weight: 2.5-8 parts of polyester polyol, 20-30 parts of polyether polyol, 5-10 parts of diisocyanate, 1-5 parts of diamine, 60-66 parts of alcohol diluent, and 0.01-0.15 part of stabilizer. The invention further discloses a preparation method of the alcohol-soluble polyurethane resin used in plastic ink, and the preparation method is simple in process and low in equipment requirement. The average molecular weight of the alcohol-soluble polyurethane resin used in plastic ink is 20000-30000, and the solid content is 34-36%, and the alcohol-soluble polyurethane resin can be used as a bonding material to be prepared into ink, merely the alcohol is used as a solvent, and as the solvent or a part of solvent is replaced by water, the alcohol-soluble polyurethane resin is environmental-friendly, safe, very beneficial for environmental protection and convenient to use; the diluent can be a water solution of water and alcohol or alcohol; a printed ink layer is high in glossiness and has good transparency, water resistance and weather resistance; and as a result, the alcohol-soluble polyurethane resin is suitable for various intaglio and rotation flexography, with good transitivity and adhesion solidness.

The invention discloses a preparation method for a chitosan fruit and vegetable preservative film. The preparation method comprises the following steps of (1) dissolving chitosan into an acetic acid solution, heating to the temperature of 60-70 DEG C, and stirring until the chitosan is completely dissolved to obtain a solution A, wherein 100-150mL of the acetic acid solution is added into every gram of the chitosan; (2) immersing polyvinyl alcohol into an aqueous solution for 1-2 hours, heating to the temperature of 70-90 DEG C, and stirring until the polyvinyl alcohol is completely dissolved to obtain a solution B, wherein 50-80mL of the aqueous solution is added into every gram of the polyvinyl alcohol; (3) mixing the solution A and the solution B according to a volume ratio of (100-200):1, uniformly stirring, adding sodium trimetaphosphate, performing crosslinking reaction for 10-30min to form a film, and drying the film to obtain the chitosan fruit and vegetable preservative film. The tensile property of the chitosan fruit and vegetable preservative film prepared by the preparation method is greatly improved.

The invention discloses a livestock and poultry feed production technology for granulating powder at a low temperature after a conditioning and baking process of the powder. According to the livestock and poultry feed production technology, firstly, mixed feed in which no heat-sensitive ingredient or feed additive is added is subjected to an efficient conditioning and baking process and made into a cooked powered material; secondly, the cooked powered material is cooled, and then heat-sensitive ingredients and feed additives are added into the cooked powered material; and lastly, the cooked powdered material with the sensitive ingredients and the feed additives is granulated at the low temperature to form granulated feed. Through the livestock and poultry feed production technology, not only is power of arranged equipment relatively low, but also the activity of the heat-sensitive ingredients in the feed can be reserved to the greatest extent while the cooked powdered material is made into granules.

The invention discloses a comprehensive state evaluation theory method for new intelligent station relay protection equipment. The method comprises steps: a protection device is adopted as a monitoring platform for the device itself, the protection device is self detected, first parameters of the protection device and second parameters of a secondary circuit are acquired, and the first parametersand the second parameters are transmitted to a signal processing system, wherein the secondary circuit is used for monitoring the circuit where the device and the protection device are connected; andbased on the first parameters and the second parameters, state evaluation is carried out: an evaluation component and a scoring principle for the whole device are set, and the equipment in the relay protection device or an interval operation condition can be evaluated. When the method of the invention is applied, an intelligent closed loop management process of intelligent acquisition, risk earlywarning, state evaluation, maintenance strategy and measure management for state maintenance of the substation relay protection equipment can be realized, and the purposes of safe and reliable equipment operation and economic and reasonable maintenance can be achieved.

The invention discloses a water-based evaporation drying type gravure ink composition applicable to multiple base materials. The water-based evaporation drying type gravure ink composition applicable to multiple base materials comprises the following components in percentage by weight: 20-60% of an ink linking material, 1-30% of a flaky functional material, 0-30% of an alcohol solvent, 0-10% of auxiliaries, 0-0% of a curing agent and the balance of water. The water-based evaporation drying type gravure ink composition applicable to multiple base materials contains no phenyl ketone and no ester solvent, has the characteristics of safety, no toxicity, no harm, noninflammability, non-explosiveness, nearly zero VOC and the like and is beneficial to human health and environmental safety, and defects of water-based ink composition in onboard stability and ink drying property are overcome; and by selecting resin of a specific structure, the problems of the water-based ink composition in the aspects of binding strength on a base material and printing product materialization tolerance are solved, and the ink composition can be applicable to multiple base materials such as paper and plastic.

The invention belongs to the technical field of toiletries, especially the toothpaste squeezing device with good safety performance. In order to solve the problems of the inconvenience of operation ofthe toothpaste extruder used in hotels, and the problem that the health and safety of toothpaste in hotels cannot be guaranteed, the following scheme is proposed, including a main body and a connecting tube, the top inner wall of the main body is provided with a connecting rod, and the other side of the connecting rod is provided with a mounting plate, both sides of the top outer wall of the mounting plate are provided with reinforcing rods, and the other side of the reinforcing rod is fixed with the connecting rod by screws, the two ends of the top outer wall of the mounting plate are provided with a stepping motor, the output shaft of the stepping motor is connected with a first screw rod through a coupling, and the one side outer wall of the two first screw rods is connected with the same moving plate through screws. The invention can automatically squeeze toothpaste through two squeeze rollers, can effectively disinfect and sterilize the stored toothbrush, and greatly improves thehygiene safety of the toothbrush.