106results about How to "Intensity controllable" patented technology

The invention discloses a profile control and water plugging system with controllable low temperature gelatinizing and a preparation method thereof, and a profile control and water plugging method. The profile control and water plugging system comprises the following raw materials by the weight percentage: 0.15-0.4% of hydrolyzed polyacrylamide, 0.05-0.3% of polyformaldehyde, 0.005-0.02% of resorcinol, 0.002-0.005% of m-phenylenediamine, and 99.2%-99.8% of water. The hydrolyzed polyacrylamide, the polyformaldehyde and the resorcinol in the profile control and water plugging system can be slowly subjected to a crosslinking reaction under a low-temperature condition of 20-40 DEG C; when the coagulation accelerator m-phenylenediamine is added, the crosslinking reaction speed is accelerated, and through changing the concentration of the m-phenylenediamine, the gelatinizing time and the gel strength are adjusted. Therefore, the profile control and water plugging system has the characteristics of controllable gelatinizing time and gel strength and good long-term stability. The method for preparing the profile control and water plugging system is simple and easy to implement, and transportation and field preparation are convenient, and the economic benefits are good.

The invention discloses an internal force testing method for a load test of a pre-stress tubular pile. The method comprises the following steps: 1, installing a testing tube: the testing tube of a slide micrometer is installed in a constructed pre-stress tubular pile, and the testing tube is arranged in the middle of the pile core of the pre-stress tubular pile in the vertical direction; the bottom of the testing tube is sealed through a sealing cap and the testing tube is full of water; 2, injecting a filling material: the filling material is injected into the cavity between the tubular pile core of the pre-stress tubular pile and the testing tube from bottom to top by adopting grout injecting equipment, and comprises water, cement and bentonite; 3, loading an installation device; 4, loading a load; and 5, testing the internal force of a pile body: after the load is loaded and the pre-stress pile is settled and stabilized, the internal force of the pile body of the pre-stress tubular pile is tested by adopting the slide micrometer. According to the invention, the measuring method has simple steps and is convenient to implement while having high test precision and low investment, so as to obtain the internal force test result of the pre-stress tubular pile simply, conveniently, rapidly and accurately.

The invention relates to a method of preparing the solidifying material which has high performance in controlling intensity and stabilizing size, and a process of using the material to solidify granular materials such as common soil mass, weathered gravel, standard sand stone, industrial solid waste, tailing sand and sea sand to form indurations. The process comprises the following steps: (1) preparation of core materials; (2) preparation of the solidifying material which has high performance in controlling intensity and stabilizing size; (3) process of producing the solidifying material which has high performance in controlling intensity and stabilizing size; (4) application that the solidifying material which has high performance in controlling intensity and stabilizing size can be used to solidify granular materials such as common soil mass, weathered gravel, standard sand stone, industrial solid waste, tailing sand and sea sand in road projects, foundation engineering as well as water conservancy and hydropower projects, compared with traditional solidifying method, the process has the advantages that the intensity is controllable, the size is stable, the water resistance is dramatic and the construction is convenient with the general use amount ranging from 4% to 12%. As to the construction method, the construction technical process or specifications of soil lime and concrete can be referred to.

The invention discloses a method for preparing an epoxide resin foaming material. The method comprises the following steps that: 1. according to the mass ratio, epoxide resins, foaming agents, foam stabilizing agents and addition agents are respectively picked up and evenly mixed with high-speed stirring; 2. the mixture obtained is put in an oven with a temperature of between 40 and 80 DEG C and pre-heated for 0.5 to 1 hour, and the mixture is taken out and cooled down to a temperature of between 25 and 35 DEG C; 3. The mixture is added with curing agents and evenly mixed; 4. the mixture is put in a stainless steel mold and heated at the temperature of between 40 to 80 DEG C for 0.5 to 2 hours, and the mixture is cooled down to the room temperature and taken out, and finally the finished products are obtained. By controlling reaction conditions, the invention realizes the association control of the chemical foaming and the curing molding of epoxy, and the foaming multiplying factor is as high as 2.7, and products prepared by the method are good in water resistance, chemical corrosion resistance and strength. The method of the invention has the advantages of easy buying of materials, simple operation and easy industrialization, and provides a new path for preparing thermosetting foaming materials.

A surface discharge device performing functions of a trigger and electron beam generator includes a cylinder shaped member formed from a dielectric material with dielectric constant ε>100, in which a central opening is formed having a conical or cylindrical shape. An internal electrode is electrically coupled to the internal surface of the cylinder shaped member. An external electrode covers the external surface of the cylinder shaped member. A triggering pulse is applied between the external and internal electrodes to generate emission of electrons in the central opening and formation of the conducting plasma to ignite the device and serve as a source of electrons for generating an electron beam. The conducting plasma charges a capacitor formed by the cylinder shaped dielectric member and the external electrode. The cylinder shaped member is positioned in a hollow cathode having a central bore hole in the bottom. An anode is positioned remotely from the cathode and an electric field exists dynamically in space between the cathode and anode for at least a portion of the duration of the triggering pulse.

The invention relates to a live fish catching device based on an Archimedes screw. The live fish catching device based on the Archimedes screw comprises a main body support, wherein the main body support supports a cylinder; a central rotating shaft is arranged in the cylinder; spiral blades are fixedly mounted on the central rotating shaft; a power device is connected with the central rotating shaft, and provides power for rotation of the central rotating shaft; the lower portion of the main body support is rotatably connected with a traveling mechanism, and thus, the dip angle of a sleeve isrotatably adjustable; an inlet sleeve of which the outer diameter is greater than that of the cylinder is arranged at the front end of the cylinder; and the inlet sleeve and the cylinder are arrangedcoaxially. The damage rate of fishes is reduced, the rate of survival after the fishes are caught is increased, and continuous stability of fish yield is improved; and the spiral blades with different screw pitches and outer diameters are selected according to different fish types and different sizes of the fishes, different rotating speeds are adjusted, and thus, the fish catching speed and strength are controllable.

The invention relates to a preparation method of a short-peptide/silicon dioxide/hydroxyapatite porous composite material, belonging to the technical field of preparation of biological composite materials. The short-peptide/silicon dioxide/hydroxyapatite porous composite material can be used as a bone-repairing three-dimensional scaffold material, has good biological activity, mechanical property and degradation characteristic, and is beneficial to improvement of the bone repairing effect. The preparation method comprises the steps of dissolving short-peptide molecules into water for assembly; mixing the assembled short-peptide solution, a silicon precursor and an adhesive, and reacting to form short-peptide/silicon dioxide gel; replacing the gel by using ultra-pure water and then freezing a sample by using a condensation induction method and carrying out freeze-drying to obtain a short-peptide/silicon dioxide porous material; soaking the material by using simulated body fluid, and carrying out freeze-drying to obtain the short-peptide/silicon dioxide/hydroxyapatite porous composite material. The short-peptide/silicon dioxide/hydroxyapatite porous composite material is used for preparing an organic/inorganic porous composite material, has a hierarchical porous structure which is easy to regulate and control, and can be applied to the field of bone repairing as a three-dimensional scaffold of an artificial bone material.

The invention discloses a damping-variable automotive suspension shock absorber which comprises a working cylinder, a piston rod, a piston, a groove and a spring, wherein the working cylinder is filled with flowable damping liquid; the piston rod is arranged in the working cylinder and can move in the axial direction of the working cylinder; the piston is arranged on the piston rod; a damping passage for circulation of the damping liquid is arranged between the peripheral surface of the piston and the internal wall surface of the working cylinder; the groove is formed in the peripheral direction of the middle of the piston; a magnetizing coil is wound at the bottom of the groove in the circumferential direction; and the spring is arranged at the external part of the working cylinder in a sleeving manner. According to the damping-variable automotive suspension shock absorber, during the driving process of an automobile, the damping of the shock absorber is variable, so that the drivingcomfort and stability are improved. The invention further provides a control method of the damping-variable automotive suspension shock absorber. During the driving process of the automobile, dampingof a damper is controlled according to the weight of the automobile and the compression amount of the spring, so that the driving comfort and stability are improved.

The invention discloses a mixed mineral-based grouting material for reinforcing coastal port foundations, and belongs to the technical field of engineering materials. The mixed mineral-based groutingmaterial is prepared from expansive soil, water and a special structuring agent at a weight ratio of 2: (4-5): (3-4); according to a preparation method, an expansive soil slurry is prepared from expansive soil and water at a weight ratio of (4-5): (2-3), and a structuring agent slurry is prepared from the special structuring agent and water at a weight ratio of (1-2): 1. According to the invention, the special structuring agent is added on the basis of expansive soil to replace traditional on-site clay, so that reinforcing and improving of poor soil are realized, stable control on the water absorption performance and the expansibility of the slurry is realized, advantages of excellent underwater stability, dilution resistance, significant impermeability, controllable strength, controllablecoagulation time, controllable fluidity and the like are achieved, and in addition, good durability in the seawater environment is achieved; so that the performance of slurry reinforced solid is morestable and controllable.

The invention relates to a gradient cycle stirring method in a biogas reactor and an anaerobic reactor thereof. The anaerobic reactor comprises a tank body, a biogas pipe and a feeding pipe, wherein the biogas pipe is arranged on the top of the tank body; the feeding pipe is arranged at the bottom of the tank body; and the anaerobic reactor is characterized in that a settling zone and a guide cone are respectively arranged on the upper part and the bottom part of the tank body; a downflow weir is arranged at the periphery of the settling zone; the downflow weir is higher than the settling zone and is connected with a liquid discharging mechanism outside the tank body; and the mixed materials in the tank body are turned up and down through a gradient cycle stirring system.

The present invention relates to the mixing method for heterogeneous reaction and super strong turbulent mass transfer tower, and aims at making the heterogeneous materials in dispersing state with increased interphase contact area and high speed surface updating of components. Super strong turbulent mass transferring field is established with controlled turbulent degree by means of altering flow channel direction, gas flow speed and gas flow diffusion angle; the radial flow rate of gas flow is ensured homogeneous radically with trapeziform flow channel; and the thickness of the super strong turbulent mass transferring field is controlled with the maze structure. The present invention is especially suitable for purifying gas containing harmful gas and solid fume and may be used also for various forced mass transferring.

The invention provides a thin-walled component machining magneto-rheological flexible fixture device for clamping a thin-walled component. The flexible fixture device comprises a base assembling body,a magneto-rheological fluid container, a plurality of side box assembling bodies, a plurality of ball screw assembling bodies, and a control unit, wherein the base assembling body comprises a base, aspiral lifting support, a spiral lifter, a servo motor, a box body support, a linear guide rail and sliders, the magneto-rheological fluid container is used for containing magneto-rheological fluid and comprises a box body, an angle plate, a lifting plate and a guide rod, each side box assembling body comprises a side box connected with the corresponding slider through a side box supporting pieceat the bottom, an electromagnet placed in the side body, and a side box cover plate for sealing the side box, each ball screw assembling body comprises a bearing pedestal fixed to the base, a nut base connected with the bearing pedestal and connected with the bottom of the corresponding side body, a ball screw connected with the nut base, a motor base connected with the ball screw and fixed to the base, a coupler arranged in the motor base, and a motor fixed to the motor base and connected with the coupler, and the control unit is in communication connection with a computer.

The invention relates to an environment-friendly and efficient method for dewatering consolidation of sludge in the urban waters and sewage treatment plants, belonging to the technical field of sludge dewatering processes. The method comprises the following steps: adding a certain amount of lime milk into the sludge to be treated, wherein the addition is generally 0.1-1wt%; adding the liquid obtained by mixing sodium silicate and sulfuric acid through a high-speed stirrer, wherein the addition is 0.01-0.5wt%; stirring for about 2-10 minutes, blowing in air or carbon dioxide to reduce the pH value to 7.5-8.5; and putting the slurry into a sedimentation tank or air flotation tank for separation. Through a series of water absorption, hydrolysis and hydration reactions, an irreversible condensation hardened shell is formed, and the sludge particles have certain water stability and strength stability. After that, generally 5-10wt% of the mixture of cement, lime and fly ash is added so that the sludge is internally dense; and after being hardened, the sludge has certain structural strength. Through the water absorption effect of the solidified material after two-step treatment, the moisture content of the sludge can be effectively reduced, and certain 'pollution reduction' and 'strengthening and solidifying' effects are realized.

The invention relates to a steeply inclined coal seam horizontal segmentation full-mechanized caving mining simulation experiment table and method. The experiment table mainly comprises an experiment table frame, a coal support, a support base, organic glass, channel steel, induration materials and bulk materials, wherein the support base and the coal support are placed on the experiment table frame, and the induration materials simulate a steeply inclined coal seam top and a floor stratum; between the organic glass and the channel steel, the bulk materials are used for simulating broken top coal and gangue in an upper-segment goaf. After a model is laid, a coal inlet of the coal support is opened, and the top coal drawing process and the roof fracturing process are observed through the organic glass. According to the particle structural feature of the bulk materials and the characteristic that the strength of the induration materials is controllable, simulation of the top coal drawing process and simulation of the roof fracturing process during steeply inclined coal seam horizontal segmentation full-mechanized caving mining are achieved simultaneously, and conditions are provided for research on increase of the top coal recovery rate and the roof control level.

The invention relates to a passive micromotion control method based on sound source driving. The method comprises the following steps: a DSP electronic frequency divider receiving an input sound source signal, displaying the sound source signal in an oscillogram form on a user interface; based on an oscillogram, respectively setting crossover frequency of a low pass filter and a high pass filter of the DSP electronic frequency divider, to respectively obtain sound source signals in a frequency band of 20 Hz to 100 Hz and sound source signals in a frequency band of 100 Hz to 20 KHz; amplifying the sound source signals in the frequency band of 20 Hz to 100 Hz through a power amplifier, outputting the sound source signals to a sound source driving low-frequency vibrator, and finally driving a human body to realize micromotion, amplifying the sound source signals in the frequency band of 100 Hz to 20 KHz through a power amplifier, and outputting the signals to a full-range loudspeaker to play. The method realizes passive control of human body micromotion, and solves problems in the prior art that micromotion is limited by places, climate, and personal body conditions, and the strength of the micromotion is controllable.

The invention provides a pain sense stimulation instrument and an implementation method of the pain sense stimulation instrument. The pain sense stimulation instrument comprises a double-wave-length laser module, a laser power supply, a control circuit board, a water cooling machine, a mechanical light path, an infrared imaging monitoring module and a PC. The pain sense stimulation instrument is manufactured based on the principle that different laser wave lengths penetrate through the surface of the human body to act on pain sense nerves of the skin of the human body to generate light and heat to stimulate the pain sense to generate, the measured result is more accurate, a non-contact specificity excitement polymodal nociceptor is utilized, so that the sense strength is adjustable, stimulation is safe without burning the skin or harming the body, the pains of patients are eliminated, the infection probability and the probability that diseases are spread by blood sources are reduced, and the pain sense stimulation instrument has high clinical practical value.

The invention discloses a two-photon parallel direct writing device and method based on multi-dot matrix generation and independent control. The device mainly comprises three core elements: a digitalmicro-mirror array DMD, a spatial light modulator SLM, and a micro-lens array MLA. The DMD equally divides an effective pixel region into N x N units, one unit corresponds to one light spot, m x m micro-mirrors contained in each unit of the DMD are independently turned on and off, and independent regulation and control of the light spot intensity and uniformity of each unit are achieved; the SLM equally divides the effective pixel region into N x N units, the units are in one-to-one correspondence with incident unit light spots, and phase control is independently carried out; and the MLA is used for generating a focus array, the number N x N of micro-mirrors of the MLA determines the number of dot matrixes, and then the dot matrixes are imaged to the focal plane of an objective lens through a convex lens and the objective lens to be processed. The device and the method have a gray level photoetching function, can rapidly process a curved surface structures and a true three-dimensionalmicro-structure with any shape and high uniformity, and can be applied to the fields of super-resolution lithography and the like.