Underwater robot four dimensional fingertip force sensor and information acquisition method

The present invention discloses an underwater robot four-dimensional fingertip force sensor and information obtaining method thereof; the sensor comprises mutually connected base, upper cover, sealing ring, fingertip, elastomer, measuring circuit board and digital hardware circuit board. The E-shaped film of the elastomer induces the normal force Fz, tangential force Fx, Fy of contacting face of the paw; the thin rectangle metal sheet induces the torque Mz around the normal; the detecting circuit composed by strain foil stuck on the elastomer converts the change caused by force and moment of the sensor into change of voltage. In the method, the change of the voltage is executed signal conditioning via the measuring circuit board integrated on the sensor, and the four-dimensional force information is sent to the underwater robot body through the analog-to-digital conversion, digital filtering, numerical calculation and decoupling of the digital hardware circuit board via the communication ...

Baseplate for production of gypsum-shaving board or gypsum-fibre board

A baseplate for manufacturing gypsum-shaving board or gypsum-fibre board is an ordinary carbon steel plate with plastic films stuck on its both surfaces. Its advantages are no corrosion and adhered gypsum to the baseplate.

Pyroelectric film material and preparation method thereof

The invention provides a pyroelecric film material, which comprises a substrate, a CaCu3Ti4O12 film and a metallic film in sequence from top down, wherein the substrate is made of an electric-conducting material and formed into a lower electrode; and the metallic film is formed into an upper electrode. Compared with the prior art, the pyroelecric film material of the invention has a simple preparation process, relatively low preparation cost and relatively high pyroelecric coefficient. In the invention, the prepared material is artificially polarized, so the originally inconspicuous pyroelecric effect becomes obvious, the physical properties are stable, and the polar characteristics of electric dipole moment can be maintained for a long time. Compared with other pyroelecric materials, the pyroelecric film material of the invention has a thin sensitive element, small volumetric specific heat, high sensitivity and microsecond grade of response speed, is easily integrated with semiconductor ...

Sulfonamides compound for inhibiting carbonic anhydrase II and synthesis method and application thereof

The invention relates to a sulfonamides compound for inhibiting carbonic anhydrase II and a synthesis method and an application thereof. The compound has the structure as shown in the specification. The invention features economical and reasonable synthetic route and high utilization of resources. The synthesis method is simple and easy to carry out and is more suitable for large-scale industrialized production. With human carbonic anhydrase II (Human Carbonic Anhydrase II, hCA II) expressed by procaryotic cell as an enzyme source, the invention establishes an in-vitro carbonic anhydrase inhibitor screening model. In addition, the compound of the invention has inhibitive effect on activity of the human carbonic anhydrase II.

Method for coupling and manufacturing ricinus oil biological diesel oil

The invention discloses a method for preparing the castor oil biodiesel by ''leaching and reaction'' coupled method, which is that the castor seeds are used as raw materials and the castor oil leaches to perform exchange reaction and coupling with ester to prepare biodiesel under the ultrasonic condition or condition without physical field. The leaching and the ester exchange reaction are finished in one step, which greatly simplifies the process flow and saves the production cost. The methanol can function as extraction solvent or ester-exchange agent, which is beneficial for cycling and saving raw materials and also beneficial for separation of the later stage materials. The method solves the problems of higher requirement of the current biodiesel preparation method on the oil quality, long process line, high consumption of various materials, reagents and equipments, more serious reagent pollution and higher production cost.

Magnetic separation and coupling air-lifting suspension photocatalytic treatment method and its device

Recycling comprehensive treatment method for endogenous pollution of substrate sludge of lake

The invention relates to a recycling comprehensive treatment method for endogenous pollution of substrate sludge of a lake. According to the self purification ability of the lake and the input/output quantity of a pollutant, the polluting substrate sludge deposited at the bottom of the lake is dug up, thereby eliminating the residual pollutant exceeding the self purification ability and realizingthe purification of the lake according to the self purification ability of the lake. The polluting substrate sludge in the lake is treated and recycled by adopting the following treatment modes of: (1) digging the polluting substrate sludge in the lake; (2) eliminating a heavy-metal pollutant in the slurry of the polluting substrate sludge; (3) eliminating a toxic organic pollutant in the slurry of the substrate sludge of which the heavy metal content reaches the standard; and (4) recycling the substrate sludge after the heavy-metal pollutant and the toxic organic pollutant are treated. By treating ...

Processing method for solvent extracting ricinus oil with methanol

The invention discloses a methanol leaching castor oil process method. Regulating castor seed choose is done after the cleaning of the castor seeds free from impurity as well as insect damage. The seeds are of shell removal, crush or pre-pressure to make part of castor oil. The castor oil is leached with the ultrasonic or physical field aided condition method. Under the ultrasonic condition, the castor oil is leached by the methanol leaching solute, which improves the existing solute leaching method, greatly shortens the leaching time, decreases the raw material consumption and lowers the experiment cost, thus being the new oil leaching method of the lower cost, short leaching time and high oil production rate. The invention solves the problems that current bio-diesel preparation method has high requirements to the oil, long technique procedure, large consumption of various raw materials, reagents and equipments, serious reagent pollution and high production cost.

Application of compound Codonopsis pilosula medicament composition in preparing medicament for preventing and treating deacclimatization to high altitude

The invention discloses application of a compound radix codonopsitis medicine composition in preparing a medicine for preventing and treating altitude maladjustment. The compound radix codonopsitis medicine composition comprises the following compositions in percentage by weight: 20 to 60 percent of radix codonopsitis extract, 10 to 30 percent of radix salviae miltiorrhizae extract, 5 to 25 percent of radix glehniae extract, 5 to 15 percent of angelica extract, and 2 to 10 percent of American ginseng extract. Researches prove that the compound radix codonopsitis medicine composition has definite curative effects of reducing symptoms of the altitude maladjustment, reducing incidence rate of the altitude maladjustment and enhancing pulmonary ventilation and improving limb exercise performance, and does not have occurrence of adverse reactions during a testing process. The compound radix codonopsitis medicine composition has significant values in leading a person with altitude hypoxia environment ...

Production process of middle density fibre board by using salix mongolica as raw material and dry method

The present invention relates to a technological process for producing medium density fiberboard by using salix mongolica as raw material and adopting dry method, and is characterized by using improved shaving machine, adopting flat-bottomed sieve for screening, increasing vibration frequency, placing the screened chips in water-washing machine to wash with water, temporarily storing water-washedsalix mongolica chips in cylindrical flat-bottomed stock bin, increasing raw material compression ratio when hot grinding, reducing steam pressure and reducing cooking time, controlling main motor current and axial pressure of hot grinder and controlling inlet and outlet temp. and time and hot-pressing temp., pressure and time when the salix mongolica fibre is dried.

Solid-state nonlinear body material and preparation method thereof

The invention provides a solid-state nonlinear body material which is a polymer material containing noble metal nanometer granules, has the thickness of at least 1 mm, the preferential thickness of 1 cm to 80 cm, the more preferential thickness of 1 cm to 50 cm and the third-order nonlinear coefficient of 10<-6> to 10<-9> esu. The invention also provides a preparation method of the solid-state nonlinear body material. The optical material prepared by the method has stable performance and no toxin, is harmless and is applicable to the field of optical devices. The preparation process of the solid-state nonlinear body material is simple and easy to operate and has low cost.

Standard sample and method for measuring near field scanning optical microscope (NSOM) probe hole diameter

The invention provides a standard sample for measuring near field scanning optical microscope (NSOM) probe hole diameter size, which comprises a transmitting substrate (1) and a light-proof film layer (2) on the surface of the substrate (1), wherein the film layer (2) is provided with at least one measuring unit (3); each measuring unit (3) comprises at least two rectangular film-free layer areas; the film-free layer areas are arranged in sequence along the axis direction of the measuring unit; adjacent two film-free layer areas are divided by a film line (5); and the width of the film line (5) is larger than the probe hole diameter size to be measured. The invention also provides a method for measuring NSOM probe hole diameter according to the standard sample. The standard sample and the method for measuring probe hole diameter size are suitable for various NSOMs, do not need any additional attachment equipment and are convenient for use; by adopting the firm substrate and the film layer ...

Pyroelectric film material and preparation method thereof

The invention provides a pyroelecric film material, which comprises a substrate, a CaCu3Ti4O12 film and a metallic film in sequence from top down, wherein the substrate is made of an electric-conducting material and formed into a lower electrode; and the metallic film is formed into an upper electrode. Compared with the prior art, the pyroelecric film material of the invention has a simple preparation process, relatively low preparation cost and relatively high pyroelecric coefficient. In the invention, the prepared material is artificially polarized, so the originally inconspicuous pyroelecric effect becomes obvious, the physical properties are stable, and the polar characteristics of electric dipole moment can be maintained for a long time. Compared with other pyroelecric materials, thepyroelecric film material of the invention has a thin sensitive element, small volumetric specific heat, high sensitivity and microsecond grade of response speed, is easily integrated with semiconductor ...

Standard sample and method for measuring near field scanning optical microscope (NSOM) probe hole diameter

The invention provides a standard sample for measuring near field scanning optical microscope (NSOM) probe hole diameter size, which comprises a transmitting substrate (1) and a light-proof film layer (2) on the surface of the substrate (1), wherein the film layer (2) is provided with at least one measuring unit (3); each measuring unit (3) comprises at least two rectangular film-free layer areas; the film-free layer areas are arranged in sequence along the axis direction of the measuring unit; adjacent two film-free layer areas are divided by a film line (5); and the width of the film line (5) is larger than the probe hole diameter size to be measured. The invention also provides a method for measuring NSOM probe hole diameter according to the standard sample. The standard sample and themethod for measuring probe hole diameter size are suitable for various NSOMs, do not need any additional attachment equipment and are convenient for use; by adopting the firm substrate and the film layer ...

Nonlinear optical material based on metal nanometer cluster array and preparation method thereof

The invention provides a nonlinear optical material based on a metal nanometer cluster array, wherein the material includes a substrate, the metal nanometer cluster array on the substrate, and a polymer, an oxide or a metal-doped oxide wrapping the array. The material can be prepared by the following method: at first, the nanometer microspheres of polystyrene are dissolved in water to prepare a colloid water solution of the nanometer microspheres of polystyrene; the colloid water solution is coated on the substrate; the water on the substrate coated with the colloid water solution is removed to obtain orderly-arrayed colloid crystal membrane lamina with the nanometer microsphere of polystyrene; metal is deposited on the colloid crystal membrane lamina with the nanometer microsphere of polystyrene to obtain the colloid crystal membrane lamina with deposited metal; and the crystal membrane lamina of the colloid crystal membrane lamina with deposited metal is removed to obtain the substrate ...

Baseplate for production of gypsum-shaving board or gypsum-fibre board

A baseplate for manufacturing gypsum-shaving board or gypsum-fibre board is a composite steel plate with high-molecular material sprayed on its both surfaces. Said steel plate is ordinary carbon steel plate. Its advantages include no corrosion, no gypsum stuck to baseplate.

Recycling comprehensive treatment method for endogenous pollution of substrate sludge of lake

The invention relates to a recycling comprehensive treatment method for endogenous pollution of substrate sludge of a lake. According to the self purification ability of the lake and the input/output quantity of a pollutant, the polluting substrate sludge deposited at the bottom of the lake is dug up, thereby eliminating the residual pollutant exceeding the self purification ability and realizing the purification of the lake according to the self purification ability of the lake. The polluting substrate sludge in the lake is treated and recycled by adopting the following treatment modes of: (1) digging the polluting substrate sludge in the lake; (2) eliminating a heavy-metal pollutant in the slurry of the polluting substrate sludge; (3) eliminating a toxic organic pollutant in the slurry of the substrate sludge of which the heavy metal content reaches the standard; and (4) recycling the substrate sludge after the heavy-metal pollutant and the toxic organic pollutant are treated. By treating ...

Pyroelectric detector

The invention provides a pyroelectric detector which comprises a shell, a response element and a signal output interface, wherein the response element comprises a conductive substrate, a polarized CaCu3Ti4O12 film and a conductive transparent material film which are sequentially stacked; the response element is positioned in the shell; the shell is provided with a transparent window used for collecting outside electromagnetic radiation; the conductive substrate is used as a lower electrode, the conductive transparent material film is used as an upper electrode; the upper electrode and the lower electrode are electrically connected with the signal output interface; and the upper electrode faces to the transparent window. The response element has higher pyroelectric coefficient, thereby being capable of improving the sensitivity and the detectivity of the detector. Compared with other pyroelectric detectors, a power supply is connected in parallel with two electrodes of the response element ...

Sulfonamides compound for inhibiting carbonic anhydrase II and synthesis method and application thereof

The invention relates to a sulfonamides compound for inhibiting carbonic anhydrase II and a synthesis method and an application thereof. The compound has the structure as shown in the specification. The invention features economical and reasonable synthetic route and high utilization of resources. The synthesis method is simple and easy to carry out and is more suitable for large-scale industrialized production. With human carbonic anhydrase II (Human Carbonic Anhydrase II, hCA II) expressed by procaryotic cell as an enzyme source, the invention establishes an in-vitro carbonic anhydrase inhibitor screening model. In addition, the compound of the invention has inhibitive effect on activity of the human carbonic anhydrase II.

Nonlinear optical crystal laser frequency multiplier capable of expanding embient temperature adaptation range

The invention provides a nonlinear optical crystal laser frequency multiplier capable of extending the environmental temperature adaptation range, comprising a first nonlinear optical crystal and a second nonlinear optical crystal, wherein, the two nonlinear optical crystals are made of the same materials and are cut at different cutting angles, incident end surfaces and emergent end surfaces of the first nonlinear optical crystal and the second nonlinear optical crystal are plated with reflection reducing coatings with a fundamental frequency optical wavelength lambda1 and a frequency multiplication optical wavelength lambda 2, an emergent end surface of the first nonlinear optical crystal and an incident end surface of the second nonlinear optical crystal are attached. The laser frequency multiplier compensates the influence of the change in the environmental temperature on the frequency multiplication converting efficiency of the nonlinear optical crystals, extends the environmental ...

Underwater robot four dimensional fingertip force sensor and information acquisition method

Dry production process of middle density fibre board by using salix mongolica as raw material