44results about How to "Enabling Quantitative Research" patented technology

The invention relates to an experimental device for supersaturated total dissolved gas of the downstream water body of discharging water of a dam. The device comprises a water column, valves, a flowmeter, an air compressor, a manometer, a total dissolved gas tester and a stirrer. A first valve and the flowmeter are respectively connected with the bottom of the water column by a pipeline, the outlet of the air compressor is communicated with the flowmeter by a second valve through one end of a three-way pipe, and is communicated with the atmosphere by a third valve through the other end of thethree-way pipe; the scale position on the wall of the water column is connected with a latex pipe which is connected with the manometer; the total dissolved gas tester and the stirrer are independent, and the total dissolved gas tester is placed into the water column when measuring. The device of the invention can measure and control main physical parameters which influence the generation and release of supersaturated total dissolved gas such as water body pressure, aerification quantity, water depth and turbulent strength, so as to carry out quantitative analysis to the total dissolved gas, and therefore the device of the invention has important promoting effects for the protection of river aquatic ecological environment and the establishment of ecology friendly hydraulic engineering.

The invention relates to a controllable temperature water body total dissolved gas supersaturation generation and an experimental device for studying the influence thereof on fish. The device comprises an autoclave, an air inlet, an adjusting air valve, a safe air valve, an air gauge, a water inlet, a water outlet, a water pool provided with a temperature controller, a water pump, a first ball valve, a first flowmeter and a water inlet, wherein, the autoclave, the air inlet, the adjusting air valve, the safe air valve, the air gauge, the water inlet and the water outlet are arranged on the autoclave, and the water pump, the first ball valve, the first flowmeter and the water inlet are sequentially connected with the water pool; an air compressor is connected with the air inlet; the water outlet is sequentially connected with a second ball valve, a second flowmeter and a water channel; a total dissolved gas tester and a water quality monitor are arranged outside the water channel; and the water channel is communicated with the water pool via a latex tube. The invention generates water body featuring total dissolved gas supersaturation by autoclave sealing pressurization, and the whole device adopts circulating water and controls water temperature thereof to be constant. The invention can realize the control on measurement of major physical parameters, such as water temperature,water body pressure, airation content, flow and the like, which affects total dissolved gas supersaturation generation so as to quantificationally analyze the generation principle of total dissolved gas supersaturation and study the influence thereof on fish.

The invention relates to an experimental device for generating over-saturated general dissolved gas by high-speed jetting air doping, comprising a water column, a flowmeter, an air compressor, a general dissolved gas tester, a first valve, a second valve, a third valve, a water pump, a water flow nozzle and a gas nozzle, wherein the air compressor is connected with the flowmeter connected with the gas nozzle through the second valve, and the gas nozzle is arranged in the water column; one end of the water pump is connected with the bottom of the water column, the other end of the water pump is connected with the water flow nozzle through the first valve, and the water flow nozzle is arranged in the water column; the third valve is installed at the bottom of the water column; and the general dissolved gas tester is inserted to the water column when testing. The experimental device can realize the control on the measurement of main physical conditions affecting the generation of the over-saturated general dissolved gas, such as the jetting flow speed of a water body, air-doped amount, pressure, water depth and the like, thereby achieving the purpose of quantitatively researching theair-doped jetting flow of the over-saturated general dissolved gas; and the experimental device has the important promoting function on protecting the aquatic ecosystem of rivers and establishing environmental-friendly hydraulic engineering.

The invention discloses a uniaxial tension test outward extension type deformation measurement device in an ultrahigh-temperature environment. The device comprises a high-temperature furnace (1), an environmental chamber small box (2), an upper loading pull rod (3), a lower loading pull rod (4), a ring sleeve (5), a clamp (6), an upper clamping ring (8), a lower clamping ring (9), a first connecting pin (11), a stretching rod (12), an upper bracket (13), a lower bracket (14), a bolt (15), a rolling bearing (16), a second connecting pin (17), a guide slot (18), a locking spring (19), a linear variable differential transformer (20), a circumference constraint device (21) and a third connecting pin (22). By the adoption of an outward extension type design, a displacement measurement part is transferred to a normal temperature area outside the high-temperature furnace from an ultrahigh-temperature area in the high-temperature furnace, the quantitative research of the ultrahigh-temperature extension test is realized, and the measurement precision is improved; instrument parts in the ultrahigh-temperature area are made of ultrahigh temperature resistant materials; moreover, the mechanical properties of the ultrahigh-temperature materials are tested and researched, the operation is simple, and the feasibility is high.

The invention relates to a large component deformation measurement device in a closed heating furnace and a method thereof. The device includes a large base plate, a sensing assembly, a contact assembly and a lever assembly, and the sensing assembly is fixedly connected to the rear surface of the large base plate. The contact assembly is slidably connected to the front side of the sensing assembly, the lever assembly is fixedly connected to the middle of the large bottom plate, and the rear end of the lever assembly is in contact with the bottom of the contact assembly. The invention adopts a lever structure design, which converts the deformation of the workpiece at high temperature into displacement and transmits it to the sensor. In this way, the deformation measurement is transferred from the high temperature area inside the high temperature furnace to the normal temperature area outside the high temperature furnace, realizing the deformation accuracy of high temperature materials. Quantitative research has improved the measurement accuracy; and the instrument components in the high temperature area are all made of ultra-high temperature resistant materials, which have high reliability.

The invention discloses a mouse tail vertebra oscillator, which includes a first clamp and a second clamp fixed on the mouse tail vertebra, and also includes at least one device for driving the first clamp and / or the second clamp along the direction of the mouse tail vertebra. An oscillator that does reciprocating motion. The mouse tail vertebra oscillator of the present invention is used to simulate intervertebral disc degeneration, and then apply periodic stretching and compression mechanical stimulation in vitro, so as to realize quantitative research on reversal of intervertebral disc degeneration by periodic mechanical stimulation.