77results about How to "Consistent volume" patented technology

A prosthetic device having a socket with an insert having a bladder system for monitoring and compensating for volume fluctuations in a residual limb is provided. A plurality of bladders are preferably provided, in one embodiment, substantially only on a posterior portion of the socket. The bladders may be organized into zones, with the zones being inflatable to differing pressures depending on volume fluctuations in a residual limb. Pressure sensors may be provided for each bladder or for each zone, and flow regulators may be provided to control fluid flow into or out of the bladders or zones of bladders based on readings from the pressure sensors to control volume within the insert. Alternatively, bladders can be manually inflated depending on an amputee's needs.

Method and apparatus for automatic gain control utilizing sound source position information in a shared space having a plurality of microphones and a plurality of sound sources. Sound signals are received from the microphones. One or more processors locate position information corresponding to each of the sound sources. The processor(s) determine the distance to each of the sound sources from each of the microphones. The processor(s) define a predetermined gain weight adjustment for each of the microphones. The processor(s) apply the defined weight adjustments to the microphones to achieve a consistent volume of the desired plurality of sound sources. The processor(s) maintain a consistent ambient sound level regardless of the position of the sound sources and the applied gain weight adjustments. The processor(s) output a summed signal of the sound sources at a consistent volume with a constant ambient sound level across the plurality of sound source positions.

The invention discloses a soil curing agent based on desulfurized fly ash activity and a preparation method and application of the soil curing agent. The preparation method comprises the steps of performing chemical analysis or fluorescence analysis to obtain components of desulfurized fly ash and superfine slag powder characteristic substances, focusing on testing the content of sulfur trioxide in the desulfurized fly ash, and converting the content into the content of calcium sulfate; testing the content of aluminum oxide in the superfine slag powder; controlling calcium sulfate in the desulfurized fly ash and aluminum oxide in the superfine slag powder according to the classic structure 3CaO.Al2O3.3CaSO4.32H2O, of the ettringite molecule, wherein the mole ratio of calcium sulfate to aluminum oxide is no greater than 3:1; uniformly mixing the desulfurized fly ash and the superfine slag powder according to a pre-estimated ratio, and adding alkali excitant sodium hydroxide and zinc stearate, thereby preparing the novel soil curing agent. The activity of desulfurized fly ash is utilized, and meanwhile, the problem that the volume of the desulfurized fly ash is not stable is solved. The curing effect of the soil curing agent is better than that of a coal ash-lime stable roadbed material and is equivalent to that of a cement stable roadbed material, and the price is only 1/3 to 1/2 of that of the cement stable roadbed material.

The invention discloses a multiple mixing device for powder coatings used for a plastic product. The multiple-mixing device comprises a mixing box and a motor, wherein the upper surface of the mixingbox is fixedly connected with a feeding hopper; the top part of the inner wall of the mixing box is fixedly connected with two first bearings; the inner walls of two first bearings are respectively and fixedly connected with a driving shaft and a linkage shaft; and the outer walls of the driving shaft and the linkage shaft are respectively connected with a mashing rod. The multiple mixing device for the powder coatings used for the plastic product provided by the invention has the following advantages: through arrangement of the driving shaft, the linkage shaft and mashing rods, the powder coatings can be subjected to primary stirring, and the powder coatings with different volumes are subjected to crushing treatment, so the volumes of the powder coatings are consistent, and the stirring efficiency of the powder coatings is improved; through arrangement of a blanking tray, a stirring rod and stirring blades, secondary mixing of the powder coatings can be realized; and the blanking traycontrols the blanking amount of the powder coatings, so excessive blanking amount of the powder coatings to affect the mixing effect of the mixing box is avoided.

The invention discloses an engine assembling method. The engine assembling method comprises the steps that a swing diameter tolerance of a crankshaft connecting rod journal is acquired as a crankshafttolerance; a connecting rod length tolerance is acquired as a connecting rod tolerance; the tolerance of the distance of a piston from a pin hole to the top is acquired as a piston tolerance; crankshafts, connecting rods and pistons are chosen to compose a plurality of first grade assembly groups, and in the first grade assembly groups, the sum of the crankshaft tolerance, the connecting rod tolerance and the piston tolerance is less than a first preset value. The engine assembling method eliminates tolerance superposition so as to guarantee the volumes of various combustion chambers to be precisely consistent, and vibration and abrasion are reduced; the total weight of the assemblies of cylinders is enabled to tend to be consistent, and the consistency of the volumes of the combustion chambers is further guaranteed; the operation of the crankshafts, the connecting rods, the pistons and cylinder bodies are smooth, and the non-smooth operation of the piston caused by the error of a certain assembly is avoided; and the problems of the volume change and sealing of the combustion chambers caused by cylinder mats are solved. Furthermore, by reducing the accessories of the cylinder mats, the engine is simpler and more stable.

The invention discloses a compaction device preventing odor emission for solid waste treatment. The device comprises a compaction cylinder, wherein the compaction cylinder is mounted on the ground through a support frame, the end parts of hydraulic rods of four compaction hydraulic cylinders are in welded connection with a compaction plate, a hydraulic rod of a cutting hydraulic cylinder penetrates through a middle plate and is provided with a connecting plate, a cutting knife plate is clamped at the bottom of the connecting plate, the top end of a baffle is fixedly connected with a traction rope, and limiting stop blocks are welded at the positions, corresponding to the two sides of the baffle, of the top end of the compaction cylinder. According to the compaction device, cutting of a compacted waste solid material is completed through a cutting mechanism, so that the compacted discharged solid waste is consistent in size, stable and regular placement into a transport vehicle is facilitated, the stability of the solid waste in a transportation process is improved, and meanwhile, the baffle is driven by the traction rope to move up and down, the purpose of quick cutting and quick discharging after cutting is achieved, and the compacted solid waste is more easily taken out.

A method of adjusting a television program volume and an apparatus thereof, and a digital television receiving terminal are disclosed. In an embodiment of the invention, through detecting a level amplitude of a peak value volume of an audio signal to be output of a current channel, according to audio information corresponding to the peak value volume, a reference level amplitude of a reference channel corresponding to the audio information is acquired and a specific value of the reference level amplitude and the level amplitude of the peak value volume is acquired too. According to the specific value, a volume of the audio signal to be output is adjusted so that the volume of the audio signal to be output corresponding to each channel of each audio information is consistent with a volume corresponding to the audio information of the reference channel. Volumes output by the channels of the digital television receiving terminal are consistent so that audience hearing discomfort caused by a too loud volume or a too small volume output by the different channels of the digital television receiving terminal is not generated.

The invention relates to the technical field of polymer hydrogel, in particular to an antifouling zwitterionic hydrogel coating with bacterial responsiveness and a preparation method thereof. The hydrogel coating contains hyaluronic acid, wherein the hydrogel coating is a zwitterionic polymer, and the molecular chain of the polymer has anionic and cationic groups at the same time. The preparation method disclosed by the invention is simple, efficient and environment-friendly; interface interpenetration firm combination is formed between the hydrogel coating and a polymer substrate, a certain binding force and a low friction coefficient are achieved, and the coating is degraded and falls off under the condition that bacteria secrete hyaluronidase, so the effect of resisting bacterial adhesion is achieved; and the antifouling zwitterionic hydrogel coating can be stored in deionized water for a long time, has excellent hydrophilicity, bending resistance and friction resistance, and has wide application prospects in the field of biomedical surface materials, especially in the aspect of serving as a medical catheter surface coating and the like.

A method of synchronizing information between platforms in a portable terminal based on a multi-software platform is provided. The method includes verifying that a first software platform is changed to a second software platform; and if the first software platform is changed to the second software platform, defining volume information of the changed second software platform with reference to volume information of the first software platform.

The invention relates to an online water quality analysis device which comprises a control module, a sample injection module and a flow path switching module. The online water quality analysis device further comprises a distillation module and a detection module, wherein the distillation module comprises a distillation pot, a cooler, a condenser and a condensation pipeline; an anti-bumping pipe is arranged in the distillation pot; the outlet of the condensation pipeline stretches into a fraction tank and is in non-sealed connection with the fraction tank; the detection module comprises a fraction tank, a light source and a detector; the fraction tank is used for receiving the distilled distillate and serves as a color developing tank and a detection tank; the light source and the detector are used for judging the distillation end point and fixing the volume of the distillate. The invention also discloses an online water quality analysis method. The device disclosed by the invention has the advantages of simple structure, high degree of automation, high reliability and the like.

The invention discloses an automatic calorimeter for caloric analysis of a sample, comprising an outer barrel, an inner barrel and an oxygen bomb; the oxygen bomb is disposed in the inner barrel which is arranged in the outer barrel, a water supply stirring mechanism is arranged outside the outer barrel for supplying water to the inner barrel and stirring, the water supply stirring mechanism comprises a water supply chamber and a magnetic stirring assembly, one end of the water supply chamber is provided with a water inlet for communication with an external water supply apparatus, and the other end of the water supply chamber is provided with a water outlet for communicating with the inner barrel to supply water; the magnetic stirring assembly comprises stirring blades arranged in the inner barrel, a magnetic transmission part arranged in the water supply chamber and a magnetic drive part arranged outside the water supply chamber, the magnetic drive part cooperates with the magnetic transmission part to drive the magnetic transmission part to rotate, and the magnetic transmission part cooperates with the stirring blades to drive the stirring blades to move in sync for stirring. The calorimeter of the invention has the advantages of simple and compact structure, good stirring effect, high volume fixing precision and high test and analysis precision.

The invention discloses an environmental protection air pollution detection and treatment equipment, and its structure includes a fixed seat, a connecting seat, an external connecting pipe, a detection cavity, and a collection device. The fixed seat is fixedly connected with the connecting seat, the connecting seat is provided with the external connecting pipe, the other end of the external connecting pipe is fixed in the detection cavity, the external connecting pipe is connected with the detection cavity, the detection cavity is provided with a collection device, and the collection device iscommunicated with the detection cavity. The beneficial effects of the present invention are as follows: by entering the gas in the atmosphere into the inlet cavity, and entering the concentration cavity through the air inlet channel and the communication port, after the gas in the concentration cavity is filled, the airbag is filled through the interface, after the airbag is expanded, the plate body is pushed upward to realize the closing of the inlet cavity; at the same time, the external pressure source is turned off, because the space in the concentration cavity is fixed, so as to achievea constant sample volume, thereby improving the accuracy of the detection value of air pollution and facilitating the adoption of corresponding measures for prevention.

A toothbrush, system and method for use of same are provided to enable a user to deliver a consistent volume of toothpaste to deliver a correct dosage of fluoride to children to avoid fluorosis. It is particularly advantageous to employ the toothbrush which indicates a predetermined length of toothpaste to be applied matched to a dispenser having an orifice of a predetermined diameter so the diameter of the toothpaste applied to the predetermined length results in the correct fluoride dosage.

The invention relates to a rigid high-precision hydraulic synchronous device. The lower portions of a left cavity and a right cavity of a first synchronous cylinder are connected with one end of a first control valve group. The other end of the first control valve group is connected with a pressure gauge and the output end of the high-pressure oil tank. The output end of the high-pressure oil tankis provided with an electromagnetic reversing valve. The lower portions of a left cavity and a right cavity of a second synchronous cylinder are both connected with one end of a second control valvegroup. The other end of the second control valve group is connected with the pressure gauge and the output end of the high-pressure oil tank. The upper portions of the left cavity and the right cavityof the first synchronous cylinder are both connected with one end of the third control valve group. The other end of the third control valve group is connected with the left cavity of a first hydraulic cylinder through a hydraulic pipeline. The upper portions of the left cavity and the right cavity of the second synchronous cylinder are connected with one end of a fourth control valve group. Theother end of the fourth control valve group is connected with the left cavity of a second hydraulic cylinder through a hydraulic pipeline. The right cavity of the first hydraulic cylinder and the right cavity of the second hydraulic cylinder are connected in parallel through a hydraulic pipeline and then are connected with the output end of the high-pressure oil tank through an electromagnetic reversing valve. The rigid high-precision hydraulic synchronous device can rigidly guarantee that the hydraulic cylinders needing adjustment synchronously act.

The invention relates to an automatic digging baijiu preparation machine, and belongs to the field of baijiu preparation. The automatic digging baijiu preparation machine comprises an excavator bucketelevating device used for elevating, an excavator bucket device used for material digging, a horizontal moving device used for horizontal moving of an excavator bucket, a moving vehicle used for providing control, power, and other device installation, a material trolley used for material loading, and a material receiving device used for preventing and controlling material falling; the two sides of the excavator bucket elevating device are fixedly connected with the horizontal moving device, and the front end is connected with the excavator bucket device; the horizontal moving device and the material receiving device are fixedly connected with the moving vehicle respectively. The advantages are that: the design is novel, human labor intensity is reduced greatly, the number of production people is reduced, production cost is reduced, the working efficiency is high, and the practicality is high.

The invention relates to a slightly expansive cement grouting material. The slightly expansive cement grouting material consists of early expanding material of the cement grouting material, cement and a cement expansive agent. The early expanding material and the expansive agent are used for respectively offsetting early volume reducing caused by cement paste sedimentation and drying shrinkage and the long-term chemical shrinkage generated by cement continuous hydration, so that the volume stability of the cement grouting material is remarkably improved. The material has no influence to the fluidity of the cement paste, and the early expansion capacity is easily controlled, so that the cost is low, and the preparation is simple, and therefore, the slightly expansive cement grouting material is particularly applicable to engineering which has a big fluidity requirement to the cement grouting material.

The invention discloses a screw type quantitative filling device with a filling screw convenient to clean. The screw type quantitative filling device comprises a filling barrel. A vertical rotatable filling screw is arranged in the filling barrel. A filling pipe communicated with the filling barrel is arranged on the lower portion of the filling barrel. The filling screw stretches into the filling pipe. An arc-shaped through hole is formed in the side wall of the filling pipe. An opening and closing door capable of moving in the radial direction of the filling pipe is arranged in the arc-shaped through hole in a penetrating mode. A sealing ring is arranged between the opening and closing door and the arc-shaped through hole. The end face, located in the filling pipe, of the opening and closing door is a curved surface which is identical with the circumference of the filling pipe in curvature. A water passing groove capable of being communicated with the outside is formed in the upper portion of the opening and closing door. A stirring rod is further connected to the side wall of the upper portion of the filling barrel. The stirring rod stretches into the filling barrel. A water inlet hole is formed in the stirring rod. A one-way valve is arranged in the water inlet hole.

The invention provides a multipolar magnetic field continuous magnetic bead cell separation device and method, wherein the device comprises a cell isolation pipeline; the cell separation pipeline is internally provided with a central isolation rod, and a chamber for flowing a buffer solution and a sample solution is formed between the cell separation pipeline and the central isolation rod, and theinterior of the chamber is isolated into a buffer solution flowing chamber and a sample solution flowing chamber by an isolation layer; the isolation layer is provided with an interconnected channelconnecting the buffer solution flowing chamber and the sample liquid flowing chamber; the lower edge of the interconnected channel is provided with a circle of inclined surface; a position, corresponding to the interconnected channel, of the outer wall of the cell separation pipeline is provided with a plurality of magnetic traction mechanisms for pulling antibody magnetic beads. Through the isolation layer and the multipolar magnetic field device, positive magnetic bead cell clusters are continuously separated from the sample solution to the buffer solution.