187results about How to "Suitable for a wide range" patented technology

A mask system includes a cushion adapted to seal with a face of a patient. In one form an unobtrusive full-face masks system is provided which is comfortable and has a wide fit range. The cushion may include a sealing structure (127-10) and a supporting structure (127-20). The supporting structure may include gaps or spacing in a nasal bridge region (NBR) and / or a lip region CHN.

Disclosed is a bridge construction and maintenance whole-process intelligent monitoring, assessment, alarming and decision-making system and method. The bridge construction and maintenance whole-process intelligent monitoring, assessment, alarming and decision-making system is composed of an intelligent collecting module and an intelligent assessment, alarming and decision-making module, wherein the intelligent collecting module integrates laser radar three-dimensional high-precision scanning technology, building information model technology and wireless intelligent sensing technology and intelligently collects multi-source heterogeneous multi-dimensional high-precision information during a bridge construction and maintenance whole process such as environment monitoring information, structure monitoring information and project process quality safety management information; the intelligent assessment, alarming and decision-making module integrates big data processing technology, cloud computing technology, artificial neural network algorithms and virtual reality technology and structures multi-stage safety alarming indexes and emergency decision-making database to perform online, real-time, high-precision, visual and intelligent assessment analysis, alarming and decision-making on structure and traffic safety performance of the bridge construction and maintenance whole process.The bridge construction and maintenance whole-process intelligent monitoring, assessment, alarming and decision-making system covers the bridge construction and maintenance whole process and has the advantages of being high in efficiency and precision, visualized, intelligent and the like.

The present invention relates to the preparation process of natural nanometer fiber for tissue engineering, air filtering, clothing material and composite reinforced aeronautical and astronautical material, and is especially the preparation process of natural nanometer spider silk fiber and cocoon silk fiber. Through soaking in certain solution and ultrasonic dissociation, natural nanometer fiber of diameter 30-100 nm may be prepared. The prepared natural nanometer fiber may find its wide application in tissue engineering, air filtering, clothing material and composite reinforced aeronautical and astronautical material. The present invention has simple operation, simple equipment, low power consumption and low cost, and is suitable for both lab preparation and industrial production.

A cell scaffold based on natural nanofibers for tissue engineering is prepared through immersing the natural fibrous material in solvent, ultrasonic decomposing to obtain natural nanofibers, cross-linking with natural high-molecular solution to become gel, pre-freezing, and freeze-drying.

A pant-like, prefastened, disposable absorbent article having two leg openings which are directly below and visible through a waist opening. The waist opening has a relaxed waist opening measurement or relaxed waist diameter that is greater than a width of a chassis of the absorbent article in a crotch region. As such, the wearer's legs are positioned within and through the leg openings for easy application of the pant-like prefastened, disposable absorbent article. After initial application of the absorbent article, a waist size adjustment feature allows the waist perimeter dimension to be adjusted to conform the waist opening to the waist of the wearer.

The invention relates to a processing process and a formula for a red jujube drink. In parts by weight, each 1,000 parts of the red jujube drink comprises the following raw materials: 300-450 parts of clear red jujube juice, 2-4 parts of honey, 30-50 parts of white granulated sugar, 1.1-1.7 parts of auxiliary materials and the balance of water. The process comprises the following steps: performing enzymolysis and extraction on red jujubes, filtering, and blending to obtain the red jujube drink. The red jujube drink is brown red in color, uniform, stable, free of boiled jujube taste and suspended jujube flesh, thick in red jujube aroma in the mouth and moderate in sourness and sweetness, has the effects of slaking thirst, producing saliva and protecting health, and is a sour and sweet drink suitable for people of all ages. According to the process, the bitter taste of the red jujube juice is removed, the red jujube drink is uniform, stable and free of impurities, the effective ingredients of the red jujube raw material cannot be destroyed, and the red jujube drink is good in natural property.

The invention relates to a dreg-free clear oil bottom material of chafing dish and the preparation method. The dreg-free clear oil bottom material of chafing dish consists of salad oil and seasoning, the weight ratio of the salad oil and the seasoning is 320 to 368: 134.5 to 194.5; parts by weight of the salad oil are 320 to 368 parts; the formula and the parts by weight of the seasoning are: chive: 5 to 6 parts; pickled ginger: 13 to 17 parts; glutinous rice cake hot pepper: 80 to 120 parts; mature ginger: 8 to 12 parts; Zanthoxylum schinifolium: 11 to 15 parts; pickled pepper: 16 to 20 parts; and liquor: 1.5 to 4.5 parts. The usage of the preparation method of the bottom material of chafing dish of the invention can prepare the special taste of the clear oil chafing dish, maintain the delicious characteristics of the chafing dish and have the advantages of moderate taste, being spicy but not dry and numb but not intense.

The invention discloses a mechanical arm for local discharge detection of a switch cabinet and a control method. A lifting joint, a slide joint, a shoulder rotating joint, an elbow rotating joint and a wrist rotating joint connected in sequence are used; the wrist rotating joint is connected with a local discharge detecting sensor through a flexible connecting mechanism; the slide joint and the lifting joint are arranged in an axis perpendicularity manner, and respectively drive the local discharge detecting sensor to relatively move in the vertical and horizontal directions of the switch cabinet; and through rotating cooperation of the shoulder rotating joint, the elbow rotating joint and the wrist rotating joint, further adjustment of the position of a detecting point and the gesture of the local discharge detecting sensor is realized when relative positions of the local discharge detecting sensor and the switch cabinet are invariable, and precise detection is realized.

The invention discloses high performance cement soil and a preparation method thereof, which belongs to the field of civil engineering materials. Natural fibers and nano-materials are used synergistically to improve the performance of cement soil. The preparation method of the high performance cement soil of the invention comprises the following steps: drying, crushing, and sieving natural soil to obtain dry and fine natural soil; performing ultrasonic bonding of natural fibers and nano-materials to prepare a composite material of nano-materials and natural fibers, drying the composite material; adding the dried composite material of nano-materials and natural fibers into the dry and fine natural soil, adding water, uniformly stirring, putting the mixed soil in a wet container; adding cement and water into the mixed soil, and uniformly stirring to obtain the high performance cement soil. The preparation method of the invention greatly improves the toughness and strength of cement soil, and effectively solves the toughness or strength defects of cement soil caused by single addition of additives or fibers, and the prepared high performance cement soil is widely applicable to subgrade engineering, slope protection engineering, ground stabilization engineering and the like.

The invention relates to the technical field of oilfield chemical industry and in particular discloses an environment-friendly cleaning agent for treating oily sludge and a preparation method thereof. The environment-friendly cleaning agent is prepared from the following components in percentage by mass: 5 weight percent to 20 weight percent of an etherified carboxylate surfactant, 5 weight percent to 15 weight percent of sodium dodecyl benzene sulfonate, 1 weight percent to 5 weight percent of potassium polyoxyethylene laurylether phosphate, 1 weight percent to 5 weight percent of inorganic salt and 45 weight percent to 88 weight percent of water. The preparation method of the environment-friendly cleaning agent comprises the following step: uniformly mixing the etherified carboxylate surfactant, the sodium dodecylbenzene sulfonate, the potassium polyoxyethylene laurylether phosphate, the inorganic salt and the water to obtain an oily sludge cleaning agent. The environment-friendly cleaning agent provided by the invention has the advantages that the oily sludge cleaning agent is good in cleaning effect, high in oil recycling rate, low in production cost and green and environment-friendly; the preparation method is simple and convenient and has a wide application range; the cleaning agent for treating the oily sludge, prepared by the invention, can be applied to treatment of various types of oily sludge generated in oil exploitation, gathering and transportation and oil product refining and machining processes and the like.

The invention discloses a double-body unmanned aerial vehicle for fire control. The double-body unmanned aerial vehicle disclosed by the invention comprises a pair of unmanned aerial vehicle main bodies, wherein a signal transmitting and receiving device is arranged at the upper part of the middle part of the unmanned aerial vehicle main body, and a fire unit main body is arranged between the two unmanned aerial vehicle main bodies. The invention further discloses a corresponding firefighting truck, the top part of the firefighting truck is transformed, the firefighting truck can carry three unmanned aerial vehicles at the same time in addition to the functions of a traditional firefighting truck, so that the unmanned aerial vehicle and the firefighting truck are mutually matched in use. The double-body unmanned aerial vehicle adopts the design of double unmanned aerial vehicle main bodies, same fire extinguishing agents are carried at the same time, then the carrying volume of the fire extinguishing agent is improved, different fire extinguishing agents can also be carried to extinguish different fire behaviors, the corresponding firefighting truck is designed according to the structure of the double-body unmanned aerial vehicle, so that the unmanned aerial vehicle and the firefighting truck are mutually matched in use to improve the fire control efficiency, and cope with fire disasters at different conditions.

The invention belongs to the field of biological detection, and particularly relates to a colloidal-gold-based quantitative mycotoxin detection device and a preparation method. The detection device comprises a colloidal-gold-based quantitative detection kit and a handheld card reader, and by the detection device, an accurate quantitative detection result is provided for a toxin product to be detected. The detection kit comprises a cartridge and a reagent strip, wherein the reagent strip consists of a substrate, a sample pad, a colloidal gold pad, a reaction film and an absorbent pad; a colloidal gold labeled mycotoxin and bovine serum albumin are adsorbed to the colloidal gold pad; the reaction film is coated with a detection antigen and a quality control antibody, the detection antigen is displayed as a detection line T, and is a mycotoxin antigen, and the quality control antibody is displayed as a quality control line C, and is a goat anti-mouse IgG antibody. The detection device can be operated conveniently and rapidly, is applicable to various kinds of field detection, and is matched with a colloidal-gold-based quantitative analyzer and a specific curve establishment method to quantitatively detect the content of a sample by virtue of colloidal gold and integrate the dual advantages of the colloidal gold and ELISA to make the two technologies complementary.

The invention discloses a high-pressure-bearing square deep foundation pit applicable to a water-rich sand gravel stratum and an excavation method of the high-pressure-bearing square deep foundation pit. The foundation pit comprises a dewatering excavation area on the upper portion of the foundation pit and a water entrainment excavation area on the lower portion of the foundation pit. A dewatering well is arranged in the dewatering excavation area. A pit external groove sidewall reinforcing device and a pit internal groove sidewall reinforcing device are arranged inside and outside a diaphragm wall of the whole dewatering excavation area correspondingly. The whole dewatering excavation area is further provided with at least two reinforced concrete waist supporting beams and reinforced concrete supports. The water entrainment excavation area is provided with muddy water sucking equipment and filtered water recharge equipment, and multiple stages of settling ponds are arranged outside the foundation pit correspondingly. The stepped excavation method that the reinforced concrete supports are arranged and unwatering excavation is adopted on the upper portion and water entrainment excavation is adopted on the lower portion is adopted. The construction quality of the diaphragm wall is effectively ensured, the probability that water seepage, water burst and sand burst appear in the diaphragm wall is lowered, the excavation safety of the foundation pit is ensured, the excavation schedule of the foundation pit is accelerated, and the excavation cost of the foundation pit is reduced.

The invention discloses a method for grafting and breeding improved improved varieties of jujube at root collar of wild jujube, comprising the steps of a, collecting cutting woods: after jujube tree falls leaves and before the jujube tree germinates, collecting 1-year-old cutting woods of the improved varieties of jujube; b, cutting scion: cutting the cutting woods of improved varieties of jujube according to one bud, straightly cutting at place with distance of 1.5cm above the bud, and straightly cutting at place with distance of 5-6cm below the bud; c, preserving short cutting woods after cutting: sealing wax for the cut cutting woods, putting the treated cutting woods in bags according to variety, sealing and preserving in dark and shade place; d, cutting stock: cutting 2-3cm of all overgroundparts before the wild jujube seedling germinates and expands leaves, and digging up roots of the wild jujube as stock; e, grafting: using the cleft graft method with the stock with thickness of less than 1cm and the cut grafting method with thickness of more than 1cm. The method adopts the method for grafting and breeding improved varieties of jujube by grafting the 1-year-old cutting woods of improved varieties of jujube at the root collar of the wild jujube. Because the root of the wild jujube stock is extensive, the resistance is strong; the transplanting survival rate is high; the survival rate reaches 85-90%; and the overwintering cold resistance is improved. Due to extensive root of the nursery stock, the absorbing capacity is strong, thereby being beneficial to improving the fruit quality and cold resistance.

The invention relates to a multi-functional bending device. The multi-functional bending device comprises a bender cutting board and a bender lower die, wherein a workpiece is placed between the bender cutting board and the bender lower die. The multi-functional bending device further comprises a bending baffle mechanism and an angle measurement instrument, wherein the bending baffle mechanism comprises a baffle beam, two stop dogs and a bending baffle; the bending baffle is separately connected with the two stop dogs, is arranged on one side of the bender lower die and is close to the workpiece; the two stop dogs are separately connected with the baffle beam; and the angle measurement instrument is arranged on the bending baffle. According to the angular value of the angle measurement instrument, the value of an angle between the edge of the bending baffle and the lower die bending line of the bender lower die is regulated, the bending baffle is fixed, the workpiece is close to the bending baffle, and the bender cutting board carries out bending action. Compared with the prior art, the multi-functional bending device has the advantages of being high in universality, high in product precision, simple to operate and the like.

The invention discloses a method for reducing water content in hydrocarbon oil, which comprises the following steps of: contacting the hydrocarbon oil with an aqueous solution of salt and performing oil-water separation on a product obtained through contact. In the method, the hydrocarbon oil is contacted with the aqueous solution of salt, and the product obtained through contact is subjected to oil-water separation, so that the aim of reducing the water content in the hydrocarbon oil is successfully fulfilled. The method has the advantages of high efficiency, wide application range, no special requirements on water content and mechanical impurities, simple operation and low cost, and is suitable for dehydrating the hydrocarbon oil of hydrocarbon refining, hydrocarbon cracking, catalytic cracking and atmospheric and vacuum distillation units. By the method, free water can be completely removed and at least partial dissolved water can be effectively removed from the hydrocarbon oil.

The invention discloses a soil conditioning fertilizer which is prepared from the following raw materials in parts by weight: 60-65 parts of bran, 20-23 parts of corn flour, 20-23 parts of rice bran, 10-12 parts of meerschaum powder, 12-15 parts of urea, 12-14 parts of ammonium nitrate, 9-11 parts of potassium sulfate, 5-7 parts of potassium pyrophosphate, 3-5 parts of potassium chloride, 1-2 parts of sodium selenite, 2-3 parts of zinc sulfate, 3-4 parts of effective microorganism, 4-6 parts of coating agent and a right amount of water. The soil conditioning fertilizer implements organic combination of organic raw materials, secondary and minor elements and quick-acting inorganic fertilizers, has the advantages of reasonable formula, balanced nutrients, high safety and no pollution, completely satisfies the demands of plants for nutrients, and has the function of conditioning the soil characteristics. The prepared fertilizer has wide application range and abundant nutrition, is convenient to use, can effectively enhance the yield and quality of the plants, enhances the disease resistance, insect resistance and lodging resistance of the plants, and has the effects of enhancing the fertilizer utilization ratio, reducing the fertilizer loss and improving the soil fertility.

The invention provides a trailer safety inspection system, which relates to the technical field of radiation imaging inspection system. The trailer safety inspection system comprises an accelerator cabin for mounting radiation imaging system, and also comprises a protection wall forming the inspection channel, a horizontal detector arm, a vertical detector arm, and a traction device for drawing the trailer, wherein, one end of the horizontal detector arm is connected to the top portion of the accelerator cabin, the other end is connected with the vertical detector arm, the horizontal detector arm and the vertical detector arm are respectively internally provided with a detector module. The invention is a special device suitable for trailer inspection, and provides secure technical means for luggage safety inspection, thus the invention has extensive adaptability and high economical efficiency.

The invention discloses a method for removing phosphorus by utilizing waste cement. The method comprises the following steps: A) crushing and milling the waste cement, then screening, and weighing and placing the waste cement in the different use quantities into conical flasks; B) adding simulated wastewater in different phosphorus concentrations; and C) oscillating on a constant-temperature oscillator for a certain time and determining the concentration of TP (total phosphorus) in supernatant fluid by virtue of centrifugation, wherein as for the wastewater in the phosphorus concentration of 25mg / L, the use quantity of cement powder is 3g / L, the temperature is 25 DEG C and the oscillating time is 8h; and a linear relation y=0.0955x+0.351 is formed between the use quantity of the cement powder and the phosphorus concentration of the wastewater. The method has the advantages of cheap and easily available raw materials, simplicity in operation, high efficiency, no environmental pollution and wide application range, and can be applied to treatment of the phosphorus-containing wastewater and control of the phosphorus content in a eutrophic water body, and a new way is simultaneously provided for resource utilization of abandoned building wastes.

The invention provides a control device for a diesel single-rail crane which solves the problems that a control system of an existing domestic diesel single-rail crane is lack of functions, and cannot safely control the diesel single-rail crane to start, and the service life of the diesel single-rail crane is affected. The control device for the diesel single-rail crane comprises a start motor, an accelerator oil cylinder, an air valve oil cylinder, an energy accumulator, a hydraulic oil pump and an anti-explosion electromagnetic reversing valve, wherein the energy accumulator is connected with the start motor through a pilot operated directional control valve and a second manual reversing valve sequentially, and is respectively connected with the accelerator oil cylinder and the air valve oil cylinder sequentially through the first manual reversing valve and a first shuttle valve; the hydraulic oil pump is respectively connected with the energy accumulator and the pilot operated directional control valve; a second shuttle valve is also arranged between the hydraulic oil pump and the reversing valve; the anti-explosion electromagnetic reversing valve is respectively connected with the energy accumulator, the first shuttle valve, the first manual reversing valve and the pilot operated directional control valve. The safety start device for the diesel single-rail crane disclosed by the invention effectively guarantees the using safety of the diesel single-rail crane, is reasonable in structure design, good in control property, and wide in application range.

The present invention belongs to the information technology management field and relates to a Beidou-based travel and adventure emergency rescue system. The Beidou-based travel and adventure emergency rescue system includes a travel and adventure management platform, an emergency rescue system platform, a BeiDou satellite, an emergency alarm terminal and an emergency rescue terminal. When being confronted with a danger, a tourist can use the emergency alarm terminal to send out help seek signals in the form of short messages to the emergency system platform; the emergency system platform performs corresponding rescue command and issues rescue information in the form of Web through the travel and adventure management platform; and the emergency system platform sends a rescue plan in the form of short messages to the emergency rescue terminal through the BeiDou satellite so as to command a person who carries the emergency rescue terminal to rescue the tourist, communicates with the tourist in the form of short messages, sends a self-rescue plan to the tourist or psychologically helps the tourist, and knows the latest condition of the tourist. The Beidou-based travel and adventure emergency rescue system provided by the invention is a dynamic closed-loop management system. With the system adopted, the personal safety of travelers and adventurers can be enhanced.

The invention discloses a method and a device for image enhancement. The device comprises an image receiving module used for receiving a two-dimensional image, a brightness mean value and mid-value computation module used for computing a brightness mean value A and a brightness mid-value M of the two-dimensional image, an enhancement factor computation module used for utilizing a nonlinear function to compute an enhancement factor F of each pixel of the two-dimensional image according to the brightness mean value A and the brightness mid-value M, and an image enhancement module used for correcting the brightness value of each pixel in the two-dimensional image according to the enhancement factor F so as to obtain an enhanced two-dimensional image and outputting. Application of the method and the device has the following beneficial effects that different linear functions are adopted for different types of images to carry out image enhancement processing effectively and quickly, so that the defects of processing all kinds of images by a single method are overcome; the method and the device have a very good processing effect to strong background light and / or strong foreground light images, and computation is simple; fewer system resources can be consumed, and the method and the device have very high real-time processing speed.

The invention relates to a method for using double-medium jet plasma to prepare a flexible supercapacitor composite electrode. The method includes placing a carbon nanomaterial to be deposited in an aerosol generator; selecting a working gas and a high voltage power supply, and adjusting discharge parameters and a working gas flow rate; selecting a substrate material, and placing the material under or at one side of a pipe orifice nozzle of a plasma jet pipe; switching on the high voltage power supply, generating plasma under or at one side of the plasma jet pipe, setting the movement path and movement speed of a movement platform, and depositing the carbon nanomaterial on the substrate material; and placing a precursor in the aerosol generator, repeating the Step 2, and adopting the movement path of the movement platform in the Step 4 to further deposite a metallic oxide or conducting polymer on the carbon nanomateiral to obtain a supercapacitor composite electrode. The method for using double-medium jet plasma to prepare the flexible supercapacitor composite electrode has the advantages of wide range of application, good deposition effect, simple and convenient operation, energy conservation and environment protection and the like, and has enormous potential application value.

The invention discloses a breeding method for parabotia fasciata dabry fry, and relates to the field of fry breeding. The method includes the steps of breeding parent parabotia fasciata dabry in a breeding pool provided with a water quality purification breeding system, breeding parent parabotia fasciata dabry through parent breeding and managing, obtaining female parent parabotia fasciata dabry and male parent parabotia fasciata dabry, obtaining parabotia fasciata dabry fertilized eggs after conducting spawning induction and insemination on the obtained female parent parabotia fasciata dabry and male parent parabotia fasciata dabry, and obtaining parabotia fasciata dabry fry after the obtained parabotia fasciata dabry fertilized eggs are hatched in a hatching tank for 22-26 hours. Parent parabotia fasciata dabry bred through the method is high in gonad maturing rate, neat in maturity and good in seminal fluid quality, parent parabotia fasciata dabry artificially spawned is neat in egg laying time, high in fertilization rate, high in fertilized egg hatching rate and good in bred fry quality.

The invention relates to an external applied preparation for treating rheumatoid diseases, in particular to a stauntonvine external applied preparation for treating rheumatoid diseases. The stauntonvine external applied preparation provided by the invention is prepared from the following raw materials in part by weight: 10 to 100 parts of stauntonvine, and raw materials including eucommia bark, angelica dahurica, ligusticum wallichii, cortex acanthopanacis, clove and the like. The Chinese medicinal materials among the raw materials are washed and used to prepare external applied formulations for treating rheumatoid diseases such as patch and oil. The preparation has a treatment characteristic of external application, has little toxic and side effect, is convent for use, and has an auxiliary treatment effect on rheumatic arthritis, chronic infectious arthritis, diseases in sciatic nerve, sore muscle and the like and has effects of relaxing tendons and activating collaterals.

The invention discloses a hot-dip galvanizing method for high-strength steel, and belongs to the technical field of steel hot-dip galvanizing processing. According to the hot-dip galvanizing method, the following steps are carried out to process the formed high-strength steel, the steps are of high-frequency heating, acid pickling, washing, plating assistant treatment, drying, hot-dip galvanizing,placing the high-strength steel subjected to hot-dip galvanizing at room temperature for air cooling, and arranging and collecting after air cooling. The hot-dip galvanizing method utilizes the skineffect of induced current to heat the surface layer of the formed high-strength steel in a high-frequency heating furnace, so that alloying elements contained on the surface of the high-strength steelare changed, the phase and the structure which are unfavorable to the quality of a zinc coating are eliminated, the property of the whole steel is not influenced, the hot-dip galvanized steel which is excellent in quality, proper in thickness and bright in surface can be manufactured, and the proportion of the brittle phase of the zinc coating is effectively reduced; and meanwhile, the mechanicalproperty of the high-strength steel is obviously improved, and the corrosion resistance property is good.