8results about How to "Realize continuous control" patented technology

The invention relates to the technical field of coal mine safety mining, and discloses a coal rock gas disaster protective layer drilling hierarchical regulation and control method which comprises the following steps: S1, geological survey; s2, drilling and pressure relief; s3, hydraulic fracturing is carried out; s4, gas extraction is carried out; s5, top plate deep hole blasting; s6, advanced cave building energy absorption flexible supporting is carried out; s7, grouting reinforcement is conducted; and S8, continuous regulation and control. According to the protection layer drilling grading regulation and control method for coal rock gas disasters, multiple functions are integrated into a single drilling hole, resource saving, cost reduction and efficiency improvement are achieved, mine environment interference is effectively reduced, meanwhile, the state of a coal rock gas system is continuously regulated and controlled, the timeliness and flexibility of disaster prevention and control are ensured, and the protection layer drilling grading regulation and control method is suitable for popularization and application. The method adapts to different geological conditions, enhances coal mine safety, embodies double benefits of green mining and economic optimization, and marks the leading-edge progress of a coal mine safety technology.

The present invention proposes a method and use for stabilizing a simple agglomerate for pH and salt and with adjustable size. In phosphoric acid buffer solutions with different salt concentrations and pH values, the polyacrylic acid hydroxypropyl group condensation body has specific stability; hydrophobic thermal response blocks are introduced into a hydroxypropyl acrylate monomer through reversible addition-fragmentation chain transfer polymerization to regulate and control the size of a condensation body, and a phase separation behavior is shown at different temperatures; a hydrophobic block without thermal response is introduced to regulate and control the size of the aggregate, and no thermal response behavior is shown. Continuous regulation and control of the size of the aggregate from the micron level to the nano level are achieved, and the requirements of different application scenes are met. The hydroxypropyl polyacrylate condensation body can be used for packaging various dyes and drugs; high-efficiency enzyme protection is achieved, formed aggregates can protect glucose oxidase, and the retention rate of enzyme activity reaches 85% or above after treatment is conducted for 3 hours at 60 DEG C; as a micro-reactor for the reaction of generating p-nitrobenzaldehyde phenylhydrazone from p-nitrobenzaldehyde and phenylhydrazine, the reaction rate is greatly improved.

The invention discloses an ultra-wideband continuous regulation antenna system, which comprises an ultra-wideband voltage control system, a spherical electrode pair and a rectangular ring electrode pair, wherein the electrode width voltage control system is connected with the spherical electrode pair and the rectangular ring electrode pair and used for providing voltage signals for the spherical electrode pair and the rectangular ring electrode pair, and the straight line where the spherical electrode pair is located is parallel to the rectangular ring electrode pair; a box is arranged below the rectangular ring electrode pair, a salt solution is loaded in the box, and the spherical electrode pair is arranged in the salt solution and at the two ends of the box; a piezoelectric film is arranged between the rectangular ring electrode pairs, and an alloy material film and a radiation patch are sequentially arranged on the sides, away from the spherical electrode, of the rectangular ring electrode pairs. By means of the technical scheme, continuous regulation and control over the ultra-wideband can be conducted, the requirement for covering the ultra-low frequency band to the millimeter wave band can be met, the working frequency can be adjusted and controlled, and integrated communication from water to air and ultra-wideband frequency spectrum sensing are achieved.

The invention provides a liquid crystal holographic metasurface antenna which is composed of a plurality of identical liquid crystal holographic metasurface panels and a monopole antenna feed source, the liquid crystal holographic metasurface panels are designed by adopting a liquid crystal display processing technology, and a hole is prevented from being formed in the center of a liquid crystal glass plate through a block splicing mode. The monopole antenna feed source is placed at the central hole, the processing difficulty is reduced, the directional diagram and the polarization state of the antenna can be flexibly controlled by independently controlling the liquid crystal dielectric constant of each unit, the control of the directional diagram and the control of the polarization are mutually independent, and the degree of freedom of antenna reconstruction is improved.

The invention discloses a polarized reconfigurable antenna unit, which relates to the field of wireless communication technology, electronic countermeasure technology and radar technology, and adopts a variable capacitance diode to replace a TR (Transmitter and Receiver) component in the traditional process. Modulation of amplitudes and phases of two paths of output signals of the transmission type amplitude-phase regulation and control module is achieved by regulating and controlling capacitance of a variable capacitance diode loaded on the transmission type amplitude-phase regulation and control module, and meanwhile the two paths of modulated signals are transmitted to the patch type radiating antenna module through metal probes. And polarization vector synthesis is carried out on the two paths of modulated signals on the patch type radiating antenna module according to the regulated phase difference and amplitude distribution proportion, so that linear polarization full-range continuous regulation and control within 0-180 degrees can be realized.

The invention discloses an all-silicon terahertz arbitrary ratio adjustable power divider based on a sub-wavelength Bragg grating and a regulation and control method of the all-silicon terahertz arbitrary ratio adjustable power divider, and belongs to the technical field of terahertz on-chip circuit regulation and control. The three coplanar silicon waveguides which are arranged in parallel are an upper waveguide, a middle waveguide and a lower waveguide in sequence from top to bottom; the upper part of the upper waveguide and the lower part of the lower waveguide are respectively connected with a mechanical regulation and control device or an actuator; the coupling spacing between waveguides is regulated and controlled through a mechanical regulation and control device or an actuator, so that the power divider with any ratio and continuous adjustability is realized; according to the invention, nonlinear change of coupling strength among different waveguides is caused by change of coupling spacing among the sub-wavelength adiabatic grating waveguides, so that the ratio of output power of different waveguides is changed, good performance is achieved in a terahertz wave band, a sub-wavelength grating structure and a three-waveguide coupling structure are introduced, and the coupling strength of the three waveguides is improved. The coupling spacing between waveguides is regulated and controlled, so that the power divider with any ratio and continuous adjustability is realized.

The invention relates to the field of two-dimensional materials and photoelectric neuromorphic devices, in particular to a light-operated floating gate transistor based on a two-dimensional photoconductive material. The light-operated floating gate transistor comprises a light-operated gate layer, a floating gate layer, a channel layer, an electrode and a substrate layer. Wherein the light control gate layer is made of a two-dimensional material with high photoconductive property, one side of the light control gate layer is in contact with the floating gate layer, and the other side of the light control gate layer is grounded. When light pulses are applied, photo-generated carriers are generated in the light control gate, under the action of potential difference in the device, continuous writing and erasing of photo-generated charges in the floating gate layer are achieved, and multiple resistance states are obtained by regulating and controlling illumination time, intensity and the like. The process does not need additional electric pulse assistance, has high photoresponse from ultraviolet to far infrared, and can be used for synaptic plasticity function simulation under a weak light condition, so that the photoelectric nerve synaptic transistor device is a novel-structure photoelectric nerve synaptic transistor device, has the characteristics of long-range plasticity, low power consumption and multiple resistance states, and has a wide application prospect. The method has a wide application prospect in the field of neuromorphic calculation.

This invention belongs to the field of two-dimensional materials technology, specifically relating to a VS 2x Se 2(1‑x) A method for preparing two-dimensional alloy materials with controllable work function involves placing VCl3, Se powder, and S powder in a weight ratio of 1–3:9–11:1 in the high-temperature, medium-temperature, and low-temperature zones of a vapor deposition tube, respectively. Heating in each zone causes the raw materials to volatilize and chemically deposit on the substrate surface under the transport of a carrier gas. During this process, the alloy composition of the chemically deposited product is controlled by adjusting the temperature in the low-temperature zone, thereby controlling the work function of the product and obtaining VCl3 alloys with different work functions. 2x Se 2(1‑x) Alloy two-dimensional materials; where, 0