8results about How to "Be transparent" patented technology

A dynamic statistics and result analysis system for watershed river and lake shoreline development and utilization comprises a remote sensing data acquisition module, a data preprocessing and classification module, a database construction module, a change trend analysis module, a river and lake directory and association retrieval module and an interaction management module. The data preprocessing and classification module is used for data preprocessing and statistical classification, the database construction unit is used for constructing a system database, the variation trend analysis module is used for variation trend analysis and statistical report generation, and the river and lake directory and association retrieval module is used for directory maintenance and result association. According to the dynamic statistics and result analysis system for watershed river and lake shoreline development and utilization, a remote sensing data statistical classification algorithm based on a neural network is proposed to classify remote sensing data; and a river-lake shoreline development and utilization change trend analysis algorithm based on deep learning is proposed to analyze the change trend.

The raw material compositions for preparing acrylic optical coatings and for preparing acrylic optical lenses both contain sulfur-containing aromatic acrylate compounds as shown in Formula A. The optical materials prepared from these raw material compositions, with precisely controlled refractive indices of 1.53–1.60, significantly improve the material's resistance to yellowing, optical durability, and impact resistance, meeting the application requirements of high-end optical materials. Wherein, R1 = CH2 = CH-COO, R2 = CH3, n = 2 or 3, and m = 0, 1, or 2.

The invention relates to the technical field of high polymer material processing, and discloses a supercritical CO2 assisted devolatilization and microcellular foaming integrated method for preparing optical-grade PMMA (polymethyl methacrylate), which comprises the following steps: conveying a PMMA prepolymer containing a residual methyl methacrylate monomer into a high-pressure reaction kettle to be in contact with supercritical CO2 and saturated; then, the saturated melt is subjected to rapid pressure reduction, CO2 dissolved in the melt is separated out to form a micropore structure, and residual monomers are synchronously brought out; and cooling and shaping to obtain the optical-grade PMMA material. By adopting the method disclosed by the invention, integrated preparation of efficient removal of PMMA residual monomers and micropore lightweight forming can be realized at a lower processing temperature, and the obtained material has lower residual monomer content, lower density, higher light transmittance and lower haze.

The utility model discloses a disposable biological safety cabinet operation auxiliary isolation film, including support frame, bearing roller, isolation film and force storage unwinding mechanism, support frame is provided with two, and bearing roller rotation is connected between two adjacent support frames. In the utility model, through setting isolation film as three layer structure, make isolation film not only have "transparent, prevent alcohol, degradable" characteristics, still through the electrostatic adsorption ability of bottom layer electrostatic layer fixed, need not sticky glue, not only avoided sticky glue failure problem, also will not leave residual in biological safety cabinet inner surface, through the pertinence design, solved the dental oral cavity isolation film "size is not suitable, easy to break, fixed unstable, clean complicated problem in biological safety cabinet scene, more meet the laboratory high safety, high efficiency operation demand, in addition, the volute spring in force storage unwinding mechanism drives the bearing roller fast rotation through the force storage, realizes the quick unwinding of isolation film.

The utility model discloses a transparent gradient color and ice crystal data line, which comprises two connecting ends 1, each connecting end 1 is provided with an outer mold, each outer mold is respectively provided with a PP material I 2, a PP material II 3, a plastic shell 4 and a transparent PVC I 5 from inside to outside, the PP material I 2 is connected with the connecting ends 1, the outer surface of the plastic shell 4 is coated with gradient color paint, the connecting ends 1 are connected through a line body 6, and the line body 6 is connected with the plastic shell 4. The transmission line designed by the utility model has the effects of attractive appearance and strong performance.

The utility model belongs to the technical field of gas-water separation, and particularly relates to a simple self-control liquid level gas-water separator, which comprises a tank body, a gas outlet arranged on the upper end face of the tank body, a water replenishing port arranged in the middle of the front side and a vacuum pump water supply port arranged on the lower portion of the front side. An overflow port is formed in the middle of the back surface of the tank body; the air outlet, the air inlet and the overflow port are respectively provided with a standard upper connector and a standard lower connector which are sealed in a butt-clamping mode, and the water supplementing port is provided with a floater type automatic water supplementing switch which is arranged in the tank body. The automatic water replenishing tank is simple in structure, light in weight, convenient to install and low in manufacturing and production cost, and the float type automatic water replenishing switch and the overflow port are installed in the tank, so that the liquid level in the tank is automatically controlled; the tank body is made of a plastic material and has certain transparency, so that the internal liquid level condition is easy to check, and the tank body is particularly suitable for liquid ring pump units with simple working conditions, such as vacuum priming devices.

The application discloses a data processing method and device based on a blockchain network, equipment and a storage medium. The method comprises the following steps: obtaining read set data corresponding to business data according to a receipt generation request; the read set data comprises state data required by an instruction corresponding to the executed business data in a chain process; generating snapshot data according to the read set data and block metadata corresponding to the business data; re-executing the instruction corresponding to the business data based on the snapshot data to obtain contract receipt information; the contract receipt information comprises data generated by re-executing the instruction corresponding to the business data, and the contract receipt information is used for generating verification information for the business data, and the verification information is used for indicating the main chain network to verify the correctness of the business data in the secondary chain network.

The application relates to the technical field of high polymer material processing, and discloses a method for integrally preparing optical PMMA through supercritical CO2 assisted devolatilization and microporous foaming, which comprises the following steps: conveying PMMA prepolymer containing residual methyl methacrylate monomers into a high-pressure reaction kettle to be contacted with and saturated by supercritical CO2; then rapidly reducing the pressure of the saturated melt to make CO2 dissolved in the melt precipitate to form a microporous structure and simultaneously take out the residual monomers; and finally cooling and shaping to obtain optical PMMA material. By adopting the method, the integrally preparation of high-efficiency removal of PMMA residual monomers and microporous lightweight forming can be realized at a lower processing temperature, and the obtained material has lower residual monomer content, lower density, higher light transmittance and lower haze.