30results about How to "Improve degradation" patented technology

The invention discloses a wavelet domain Retinex image defogging method, so as to improve the Retinex algorithm defogging effects and improve the algorithm efficiency. The method comprises the following steps: the image is transformed into HSV color space; wavelet transformation is carried out on a brightness component V, and a low-frequency subband in which a fog component is and a high-frequency subband in which noise and edge information are are acquired; the improved single-scale Retinex algorithm is used for processing the low-frequency subband, and a wavelet threshold method is used for processing the high-frequency subband; wavelet inverse transformation is carried out, and a reconstructed brightness component is acquired; a saturation component S is adaptively adjusted according to changes of the brightness component V; and according to each HSV color space component after change, a clear image after defogging is reconstructed. The defogging algorithm designed by the invention can effectively improve degeneracy of a foggy image, definition of the image is improved, and the processing efficiency is enhanced obviously.

The invention discloses a free radical advanced oxidation reactor, which comprises a reactor body, an ultraviolet lamp and an aeration device, wherein the reactor body is a closed vessel; a water inlet, a water outlet, a medicine feeding port, an ozone inlet and an end gas outlet which are communicated with the inside of the reactor body are arranged on the reactor body respectively; the ultraviolet lamp and the aeration device are both arranged inside the reactor body; the ultraviolet lamp adopts at least two groups of medium voltage fluorescent lamps with different wavelengths, and the aeration device is communicated with the ozone inlet on the reactor body. The reactor has the advantages of simple structure, strong capability of treating difficultly biodegraded organic matters, short reaction time, high reaction efficiency, wide application range, simple operation, stable outputted water quality, no secondary pollution, joint use with other water treatment methods, and the like. The reactor can be used as an advanced treatment reactor for a slightly polluted water body or a pretreatment reactor for a high-concentration organic polluted water body.

Disclosed are a document compression apparatus and a method thereof. The document compression apparatus comprises an input section for receiving an image data created by scanning a document. A region classifier analyzes the image data and classifies it into a text region and an image region. A text compressor substitutes a predetermined representative value for the pixel value of a pixel belonging to the text region and compresses the image data of the text region. An image compressor compresses the image data of the image region. Accordingly, the pixel values of the pixels belonging to the text region are substituted with a predetermined representative value and compressed while maintaining the original constant color of the text, thereby preventing degradation of the image quality.

The invention discloses an adsorbing material with water-induced shape memory function, and a preparation method and an application thereof. The adsorbing material is prepared by performing physical cross-linking gelation in an aqueous solution system with a tape casting method, wherein a porous aqueous solution system is prepared from the following components in parts by weight: 10-20 parts of functional polymer material containing amino functional group, 10-20 parts of water-soluble high-molecular polymer containing polyhydroxy/carboxyl/amino, 0.5-10 parts of microorganism and 0.01-10 parts of a nutrient solution. The preparation method is simple in operation and low in cost; the raw materials are easily acquired; the prepared material has an excellent adsorbing property and can realize non-irritant quick response in deionized water at normal temperature; the material is endowed with excellent mechanical property and shape memory function; the performance shows certain recycling possibility.

Provided is a method of treating or preventing age-related macular degeneration (AMD) or Stargardt's disease in a patient subject to, or symptomatic of the disease, whereby normal lysosomal pH (pH_L) of compromised retinal pigment epithelium (RPE) cells of the eye is restored, or abnormally elevated pH_L is reacidified, thus decreasing or preventing damaging accumulations of lipofuscin debris or photoreceptor waste products. Further provided is a method for restoring photoreceptors to the eye of a patient subject to, or symptomatic of reduced photoreceptor activity or lipofuscin accumulation in RPE cells. By these methods D5 dopamine receptor (D5DR) agonists are administered to stimulate D5DR activity of compromised RPE cells, thereby regulating and reacidifying lysosomal pH (pH_L) by a D5 dopamine receptor-(D5DR)-mediated pathway, without altering baseline maintenance.

The present invention discloses an organic fertilizer containing precipitated lignin, and a preparation method thereof. The technical scheme is characterized in that the organic fertilizer containing precipitated lignin is prepared from the following raw materials by weight: 8-55 parts of precipitated lignin, 5-10 parts of bean meal, 10-45 parts of urea, 5-42 parts of Ammonium dihydrogen phosphate, 5-42 parts of potassium chloride, and 10-15 parts of mineral soil. The present invention further discloses a preparation method of the organic fertilizer containing precipitated lignin. According to the present invention, with the organic fertilizer containing precipitated lignin, the soil hardening and degeneration caused by the chemical fertilizer can be effectively improved, and the self-cleaning capacity of the soil can be effectively maintained; and the fertility of the organic fertilizer is high, the fertilizer efficiency is lasting, the organic fertilizer can not produce pollution and harm on soil and crops during the use process, the waste produced from the wet method fiber board production is changed into the treasure, the pollution is effectively reduced, the resources are saved, and significant economic and social benefits are provided.

The invention belongs to the technical field of industrial glucose production, and particularly relates to a deep treatment method for industrial glucose wastewater. The deep treatment method for industrial glucose wastewater comprises the following steps of 1, conventional treatment, 2, primary aeration, 3, micro ozone treatment, 4, ozone air stripping, 5, secondary aeration and 6 filtering. According to the method, primary and secondary aeration biological filters with different fillers and micro ozone treatment are used integrally, so that the total amount of COD cr in drained sewage is greatly decreased, the operation cost is not obviously increased compared with conventional BAF and ozone treatment technologies, the COD cr degradation and removal effect is improved by more than 50%, and the requirement for environment protection and clean production of enterprises in current China is met.

Disclosed is a dye-sensitized solar cell module and a method of manufacturing the same. More specifically a counter electrode has connection parts formed within the side surfaces of the transparent conductive substrates. Edges of the working electrode and the counter electrode are bonded with each other by a sealant along the outer peripheral except for at one or more portions of the edges to form an electrolyte injection port. An electrolyte is then injected through the electrolyte injection hole into a space between the working electrode and the counter electrode. The electrolyte injection hole is then sealed by a sealant.

Disclosed is an antenna device including element antennas for receiving signals, phase control units for controlling the phases of the signals received by the element antennas, a phase value series acquiring unit for acquiring phase value series in which phase values differing among the element antennas and changing with time are provided, a phase value setting unit for setting the phase values to the phase control units in accordance with the phase value series, a combining unit for combining the signals whose phases are controlled into a composite signal, an ADC for digitizing the composite signal, a frequency calculating unit for calculating frequency shift amounts from the phase value series, DDCs for performing frequency conversion on the digitized signal by using the frequency shift amounts, LPFs each for performing low-pass filtering on the signal on which the frequency conversion is performed, and a beam forming unit for forming one or more beam signals by using the signals on each of which the low-pass filtering is performed.

The invention discloses an organic fertilizer which is prepared from the following raw materials in parts by weight: 30-50 parts of straws, 20-30 parts of rice hulls and 15-25 parts of livestock manure. The organic fertilizer contains various nutrients needed for plant growth, is capable of improving soil degradation phenomena caused by a chemical fertilizer and maintaining the self-purification capability of soil, and is easy to produce and low in cost.

The invention belongs to the technical field of fertilizers, and particularly relates to a composite biological bacterial fertilizer for petroleum-contaminated soil and a preparation method thereof. The composite biological bacterial fertilizer for petroleum-contaminated soil is prepared from an immobilized microbial agent, a base fertilizer and a modified composite carrier according to the mass ratio of (3-4): (8-15): (10-15). The immobilized microbial agent is prepared by immobilizing compound bacteria of serratia marcescens, candida tropicalis and pseudomonas fluorescens. The modified composite carrier is prepared from soybean meal, rapeseed meal and nanoscale fly ash according to a mass ratio of (5-8): (5-8): (2-3). The composite biological bacterial fertilizer provided by the invention can effectively degrade micromolecular and macromolecular hydrocarbons in petroleum-contaminated soil, and has good adsorption, intermiscibility and dispersion effects with a petroleum layer outsidesoil particles, so that the dispersion and permeation effects of a composite microbial agent and nutrients in the petroleum layer are realized, the inhibition effect of the petroleum layer on microorganisms and nutrients is reduced, and the composite microbial agent is promoted to degrade petroleum, and absorption of nutrients by plants in the contaminated soil is promoted.

A transmission device comprising: a weighting circuity which, in operation, generates transmission signals of n streams (n is an integer of 3 or more) by weighting modulated signals of the n streams using a predetermined fixed precoding matrix; a phase changing circuity which, in operation, regularly changes each phase of a symbol series included in each of the transmission signals of the n streams; and a transmitter which, in operation, transmits the transmission signals of the n streams from different antennas, the phases of each of the transmission signals of the n streams being changed in each symbol, wherein the transmission signal of an i-th stream has an m_i kind of phase change value y_i(t) (i is an integer between 1 and n (inclusive), 0≦y_i<2π, and m_i is set in each stream, t is an integer of 0 or more, and indicates a symbol slot), and the phase changing circuity changes the phase in one or more u (u=m₁×m₂× . . . ×m_n) symbol periods using all patterns of a set of phase change values y_i(t) different from each other in each symbol.