84results about How to "Adult low" patented technology

The invention discloses a surface activator used in oil field thick oil well that is made up from water 1500kg, sheet alkali 330kg, alcohol 450kg, oleic acid 275kg, alkyl phenol polyoxyethylene (15) ether 200kg, sodium dodecyl benzene sulfonate 150kg. The invention could decrease interface tension, and under the emulsion effecting, the o/w or w/o would form flow state in normal state to be convenient to convey and pump. The invention has low cost and high effect.

The invention discloses a comprehensive bridge detection device comprising a cross rail, longitudinal rails, a rail car, an onboard unit and a monitoring system. The longitudinal rails are used for being fixed to a bridge or accessory structures of the bridge, the cross rail is used for being arranged on the longitudinal rails and capable of moving along the longitudinal rails, the rail car is used for being arranged on the cross rail and capable of moving along the same, the onboard unit is used for being mounted on the rail car and comprises a camera device, and the monitoring system comprises a communication subsystem, a control subsystem and a testing subsystem. The communication subsystem is used for realizing communication between the rail car and the onboard unit, the control subsystem is used for controlling moving and positioning of the cross rail, the rail car and the onboard unit, and the testing subsystem is sued for detecting states of the bridge according to bridge pictures which are shot by the camera device. The comprehensive bridge detection device has the advantages of low cost, high efficiency, reliable performance and the like, and can support detection of multiple indexes such as bridge cracks, bearings, deflection or inclination.

The invention discloses an invasion tolerance application server based on J2EE middleware criterion. The server comprises an invasion tolerance expansion integrated frame, an invasion tolerance strategy logic assembly, a safety group communication manager, a safety group communication system and an application server basic platform. The invasion tolerance strategy logic assembly and the invasion tolerance expansion integrated frame are conducted in loose coupling and realize the transparent expansion of invasion tolerance function of the J2EE application server basic platform by a built-in interceptor of the J2EE application server. The invasion tolerance strategy logic assembly and the safety group communication manager are intercommunicated via an API interface. The safety group communication system works on a group communication layer of the J2EE application server basic platform and intercommunicated with the safety group communication manager and the J2EE application server basic platform respectively via the safety group communication manager. The invention realizes the effective integration of invasion tolerance and J2EE application service functions, and is superior in significant security and survivability as compared with other similar servers.

The invention discloses a valve body external-open air distribution engine which comprises an air inlet channel, an exhaust passage, a combustion chamber outer wall and a combustion chamber; the combustion chamber outer wall is provided with one or a plurality of external-open air distribution seat openings which cause the air inlet channel and the exhaust passage to be respectively or simultaneously communicated with the combustion chamber; each external-open air distribution seat opening is correspondingly provided with an external-open air distribution valve body; the external-open air distribution valve body is directly controlled or through a connecting piece by a valve body timing control device. The external-open air distribution seat opening corresponding to the external-open air distribution valve body is opened or closed according to the timing requirement of the engine. The engine can reduce the loss of air distribution and flow restriction and causes the degree of air current flowing and flue gas mixing in an air cylinder to be increased, thus increasing the efficiency of the engine.

The invention provides an early-strength erosion-resistant clay cement paste which comprises a clary cement paste and a matched modifier, wherein the clary cement paste is prepared from clay raw stock, cement and the balance of water; the clay raw stock is obtained by stirring clay with water, and the specific gravity of the obtained clary raw stock ranges from 1.15g/cm<3> to 1.40g/cm<3>; the ratio of the total mass of the clay in the clary raw stock and the cement to the mass of water ranges from 10: 7 to 10: 14; the modifier is composed of sodium metaaluminate, soluble sodium metasilicate powder, aluminum sulfate and polyacrylamide, and the content of the polyacrylamide accounts for 1-10% of the sum of the weights of the aluminum sulfate, the sodium metaaluminate and the soluble sodium metasilicate powder. The early-strength erosion-resistant clay cement paste has the advantages of good controllability, good water erosion resistance, short solidification time, high early strength, excellent anti-seepage performance, low cost, environmental protection and the like.

The invention discloses a manufacturing method of a lamellar anisotropic rock similar material, and belongs to the technical field of rock surveying. Common cement, river sand, water and other raw materials are casted into a mould so as to form a mold, the lamellar anisotropic rock similar material is manufactured and is then cut into an international-standard cylinder sample, and a triaxial testis carried out. The manufacturing method is simple and fast, the materials are wide in source, low in cost and good in forming effect, and the rock parameters can be adjusted conveniently.

The invention relates to a SnCuNiGaGeIn serial silver-free and lead-free solder alloy, and belongs to the technical field of welding materials. In order to solve problems of weak high-temperature resistance, much tin slag and weak ductility in the existing solder, the SnCuNiGaGeIn serial silver-free and lead-free solder alloy is provided; the solder comprises the following components in percentage by weight: 0.1% to 1.0% of Cu, 0.01% to 1.0% of Ni, 0.01% to 1.0% of In, 0.002% to 0.004% of Ga, 0.002% to 0.004% of Ge, and the balance of tin. 0.005% to 0.008% of Dy and/or Er and 0.002% to 0.003% of Co can be provided. As no lead and silver is contained, the solder alloy is more environment-friendly, and has the advantages of low cost, good mechanical performance, high tensile strength, good ductility, creep resistance, high solderability and high impact resistance; and a tin slag phenomenon dose not occur when the operating temperature is about 500 DEG C.

The invention discloses a zinc oxide light-emitting component and a preparation method thereof. The zinc oxide light-emitting component comprises a zinc oxide film and is characterized by also comprising a metal layer located on the surface of the zinc oxide film, wherein the metal layer has a metal micro-nano structure. The preparation method comprises the following steps: forming the metal layer on the surface of the zinc oxide film, and then carrying out annealing treatment on the zinc oxide film and the metal layer in a vacuum environment to enable the metal layer to form the metal micro-nano structure. The preparation method has the characteristics of simple process, low cost and high practicability and the like, and the prepared zinc oxide light-emitting component has very high ultraviolet luminous intensity under the excitation of cathode rays.

The invention relates to a mud separating and filtering system for sewage treatment and a filtering process. The mud separating and filtering system comprises a supporting bottom frame, wherein an extrusion groove is formed at the right end of the supporting bottom frame; a conveying device is arranged between the inner walls of the supporting bottom frame; and a separating box is connected to theupper end of the supporting bottom frame. The mud separating and filtering system can solve the following problems existing in the existing sewage treatment mode: a, after sewage is injected into a separation sedimentation tank, the sewage needs to be left standing; when sludge in the sewage is precipitated, the sewage after precipitation and separation is extracted from top to bottom by a waterpump according to the height of the water surface, so that the sewage is left standing for a long time, and the precipitated sludge can be automatically diffused in the operation of the water pump, sothat the separation effect is poor; and b, the sludge separated and deposited in a pool needs to be collected and cleaned manually, thus improving the labor intensity of sewage treatment and the costof sewage treatment.

The invention relates to a method for using an adaptive joint clamp, which has a small installation space on the basis of a flexible quick-fit connection structure and a small volume, is suitable for most pipeline connections, reduces the volume of the equipment, and reduces the complexity and The energy loss caused by the length of the pipeline completely overcomes the disadvantages of pipeline leakage caused by the temperature change and pressure change of the liquid and gas in the pipeline, the deformation of the seal and the stress deformation of the pipeline, and the use of springs The pre-tightening force compensates the gap between the pipe and the seal due to thermal expansion and contraction, pressure change, and long-term seal failure, which provides a more flexible, convenient and reliable pipeline design basis for the test equipment. At the same time, it can also be used in most civil pipelines to overcome the failure and leakage of seals after long-term use of traditional joints. It has the advantages of simple structure, convenient use, and low cost.

This invention discloses an outer charge engine including a cylinder, an inlet channel, a vent-channel and a crank shaft, in which said cylinder inlet is connected with the outlet of a gas storage tank by a control device, the inlet of the storage tank is connected with the outlet of compressed air of an air compressor by the control device, the air inlet of the compressor is connected with an air inlet system , the power input shaft of the compressor is connected with the crank shaft of the engine directly or by a clutch, the rotation speeds of the camshaft and the crank are the same, namely, when the crank rotates 360 deg., the engine finishes high pressure charging, secondary compression, working and exhaust.

The invention relates to an outer inflatable type engine, which comprises an air cylinder, an inlet passage, an exhaust passage and a crankshaft; the inlet of the air cylinder is communicated with the outlet of an air reservoir through a controlling device, the inlet of the air reservoir is communicated with the compressed air outlet of an air compressor through a controlling device, the air inlet of an air compressor is communicated with an air intake system, the power input shaft of the air compressor is connected with the engine crankshaft directly or through a clutch, the rotation speed of the engine camshaft equals to that of the crankshaft, namely, the engine finishes the high-pressure charging, the secondary compression, the working process and the exhaust process when the crankshaft rotates for 360 degrees. The invention can adjust the air input of the engine in a wide range and thus can considerably improve the power-to-volume ratio, the thermal efficiency, the power regulation scope and considerably reduces the emission of harmful substances; the invention can improve the instant output power of the engine by double times and has simple structure, small volume, energy conservation, environment-protective and is suitable for any equipment with an engine.

An energy-saving efficient multi-purpose water pump is composed of pump body, centrifugal blade wheel, self-priming blade wheel, and pump shaft common to said both blade wheels. Said two blade wheels are respectively arranged the centrifugal cavity and self-priming cavity of pump body, which are isolated by pump cover. Its advantages are dual functions (centrifugal pump and self-priming pump), high delivery lift efficiency and flow, low energy consumption, and small size.

The invention discloses a feeding device for a screw rolling machine for screw production. The feeding device comprises an operation platform, wherein two mutual parallel first support rods are arranged on one side of the operation platform, two mutual parallel second support rods are arranged on the operation platform, and a fixing plate is commonly fixed at the upper ends of the first support rods and the second support rods; mounting plates are arranged on two sides of the lower end of the fixing plates, a driving device is fixed on one side of one mounting plate, a threaded rod is fixed atthe tail end of an output shaft of the driving device, a threaded rod is fixed at the tail end of an output shaft of the driving device, and one end of the threaded rod is rotationally connected to one side of the other mounting plate; and screw rods are fixed on two sides of the screw rod, movable blocks penetrate through the screw rods, threaded through holes are formed in the movable blocks, and the threaded rod penetrates through the through holes. By virtue of the combination of the driving device, the threaded rod, a clamping device and a conveying belt, the automatic transportation andconveying of materials are realized, so that the manual conveying cost is lowered, the machining efficiency of the screw rolling machine is improved; and the feeding device is suitable for being popularized.

The invention relates to a built-in common-mode electric reactor of a three-phase electric reactor, and aims to provide the built-in common-mode electric reactor of the three-phase electric reactor used for two groups of three-phase inversion output side filtering circuits in a parallel operation for filtering difference mode harmonics as well as common-mode harmonics. The built-in common-mode electric reactor of the three-phase electric reactor comprises six iron core columns, five upper iron yokes, and five lower iron yokes, wherein each iron core column is wound by a coil separately; an air gap is formed in each iron core column; the six iron core columns are divided into two groups by taking three iron core columns as one group; one iron core column group is arranged between one upper iron yoke and one lower iron yoke in parallel while the other iron core column group is arranged between another upper iron yoke and another lower iron yoke in parallel; the last three upper iron yokes are arranged above the above-mentioned two upper iron yokes in parallel while the last three lower iron yokes are arranged below the above-mentioned two lower iron yokes in parallel; and the dotted terminal of each phase of coils of one iron core column group and the dotted terminal of each phase of coils of the other iron core column group are connected together to form the common-mode electric reactor.

The invention discloses a sliding cylinder external-open gas distribution engine, which includes an inlet duct, an exhaust duct, a combustion chamber outer wall and a combustion chamber, wherein one or more external-open gas distribution seat openings are arranged on the combustion chamber outer wall, the external-open gas distribution seat openings respectively or simultaneously communicate the inlet duct and the exhaust duct with the combustion chamber, a external-open gas distribution cylinder jacket is correspondingly arranged at each external-open gas distribution seat opening, a sealing body is arranged in the external-open gas distribution cylinder jacket, the external-open gas distribution cylinder jacket is controlled by a gas distribution cylinder jacket correct time controlling device directly or through a connection member, and the external-open gas distribution seat openings corresponding to the external-open gas distribution cylinder jacket are opened or closes according to engine correct time requirement. The invention can reduce gas distribution throttling loss, increase degree of air flow and combustion gas mixing in the cylinder, thereby increasing engine efficiency.

The invention proposes a uniformly mixed concrete spraying device, comprising a hard material delivery pipe, an elbow, a material delivery hose, a spray head, an accelerator tube and a mixing joint, a material delivery hard pipe, an elbow, a material delivery hose and a spray The heads are connected in sequence, the elbow is provided with a first air inlet, the first air inlet is used to blow the concrete coming in from the elbow and then sent to the spray head, and the mixing joint is provided with a connected second air inlet , Accelerator inlet and discharge port, the two ends of the accelerator tube are respectively connected with the discharge port and the injection head, and the second air inlet is used to blow the accelerator from the accelerator inlet and then send it to the Into the spray head and mix with the blown concrete. The first air inlet and the second air inlet of the present invention blow off the concrete and the quick-setting agent, and then send them to the spray head for uniform mixing. The concrete sprayed on the facility has the same setting speed, no cracks, and no drop. , there is no potential safety hazard, the amount of accelerator is small, and the cost is low.

The invention discloses a method of extracting metallothionein with fish processing offcuts as a raw material. The method includes the steps of: 1) washing the fish processing offcuts as the raw material, and grinding the offcuts into pulp; 2) adding a Tris-HCl buffer solution, of which the pH is 7-8, in two times by weight of the raw material, and stirring the mixture for 30 s on a magnetic stirring apparatus; 3) adding a chloroform-ethanol mixed liquid according to the volume ratio of the Tris-HCl buffer solution to the chloroform-ethanol mixed liquid being 1:1-1.5, wherein the volume ratio of chloroform to ethanol is 0.08:1, and stirring the mixture for 4-6 min; 4) centrifuging the mixture at 5000-6000 r/min for 25 min at 4 DEG C to obtain a supernatant; 5) heating the supernatant to 75 DEG C for 3-5 min; 6) cooling the supernatant to 0 DEG C and filtering the supernatant through gauze in 8 layers, and allowing a filtrate to stand for 1.5-2 h; 7) centrifuging the filtrate at 8000-10000 r/min for 25 min at 4 DEG C to obtain a supernatant being a homogenized liquid; and 8) freeze-drying the homogenized liquid at -35 DEG C to prepare the product. On the basis that the Tris-HCl buffer solution can dissolve proteins, by regulating the pH value of the Tris-HCl buffer solution, the metallothionein in the fish processing offcuts can be extracted through centrifugal separation and freeze drying. The method is low in cost, is free of environment-pollution, is convenient to carry out and is controllable in process.

A phellodendron bark-ganoderma tea for health-care purpose and auxiliary treatment to diseases is prepared from phellodendron bark, usnea, ganoderma, etc through breaking, mixing and sieving. It can loss weight of body, beautify face, blackening hair, etc.