153results about How to "Improve application" patented technology

Methods and systems for a subsurface upflow wetland for wastewater treatment that includes a series of parallel treatment cells, each cell including from bottom to top, a layer of gravel, a layer of sand over the gravel to remove pathogens from a septic effluent, a pollution control medium above the sand layer to remove nutrients, total suspended solid, and biochemical oxygen demand and a growth media mixture layered on top of the pollution control media to grow plants, and a gravity distribution system to distribute effluent to the series of parallel treatment cells. The pollution control medium includes at least one recycled material and at least one naturally occurring material. In an embodiment it includes recycled tire crumb, sand and limestone or recycled tire crumb, compost, sand and limestone.

The invention provides a pressure cooker component. The pressure cooker component comprises a pressure cooker body (1) and a control device (2) electrically connected with the pressure cooker body (1), wherein the pressure cooker body (1) comprises an outer cooker (11) and also comprises a base (3) which is arranged under the pressure cooker body (1) to contain the pressure cooker body (1); the base (3) also comprises an extending part (31) which extends outwards along the horizontal direction from the position of the base (3) corresponding to any radial periphery of the outer cooker (11); and the control device (2) is arranged at the position of the upper surface of the extending part (31). The pressure cooker component provided by the invention has the advantages that the base is arranged at the bottom part of the pressure cooker body, the extending part extends horizontally and outwards from the position of the base corresponding to any radial periphery of the outer cooker, the control device is arranged on the position of the upper surface of the extending part and can be controlled from the upper surface of the extending part, so that the operation is convenient, completely-effective sealing for the inner part of the pressure cooker can be realized and further the potential hazards of electric safety can be prevented.

Methods, systems and compositions for a green sorption media for bioretention soil amendments in drainfields for on-site waste water systems filled with the green sorption media to foster an anaerobic or anoxic environment saturated. The green sorption media includes one or more recycled materials, including tire crumb, sawdust, orange peel, coconut husks, leaf compost, oyster shell, soy bean hulls and one or more naturally occurring materials including peat, sands, zeolites, and clay. The wastewater filtration system for a passive drainfield includes the green sorption material mixture, a cell including baffled compartments and a riser, the cell filled with green sorption material mixture to provide an alternating cycle of aerobic and anoxic environments, an influent distribution system to distribute the influent over the cell, and a piping system arranged for dosing the cell to sustain the functionality of the green sorption material mixture to remove nutrient content in wastewater.

A signal line connector structure of a computer system includes a casing, a first connecting module and a second connecting module. The casing consists of an upper casing and a lower casing. The upper casing includes a first positioning block having a first stop side, and the lower casing includes a second positioning block having a second stop side. The first connecting module and the second connecting module are installed in the casing and abutted and fixed by the first positioning block and the second positioning block respectively to enhance the stability and convenience of the connection. In addition, two connecting modules are used for improving the applicability.

The invention relates to a video target tracking method based on multi-scale block sparse representation and a system thereof. Compared with the prior art, the invention solves the defect that the conventional target tracking method cannot achieve a better effect. The method comprises the following steps: initializing a target feature template; tracking a target image; updating a target appearance feature template; checking whether a video is read or not. Through the adoption of the method, target tracking precision and efficiency in complex scenes are improved, and the application degree of a target tracking technology in various scenes is improved.

A process for producing colloidal crystals immobilized with a polymer, comprising the steps of:

• • preparing a monomer-dispersion in which colloidal crystals having a three-dimensionally ordered array state are formed by adding, to a monomer-containing liquid containing at least one kind of monomers, colloidal particles having an average particle size in a range from 0.01 μm to 10 μm and a degree of monodispersity expressed by a following equation (1) of 20% or below,

[Degree of monodispersity (unit: %)]=([Standard deviation of particle size]/[Average particle size])×100   (1)

and then by dispersing the colloidal particles so as to arrange the colloidal particles in a three-dimensionally ordered array state at which a reflection spectrum thereof exhibits a reflection peak; and

• • obtaining the colloidal crystals immobilized with a polymer by polymerizing the monomers in the monomer-dispersion.

The present invention relates to a miniature speaker comprising front and a rear volume, and one or more moveable diaphragms each comprising one or more cantilever beams, and associated one or more air gaps, arranged between the front and rear volumes, wherein the one or more cantilever beams are configured to bend or deflect in response to an applied drive signal, and wherein the one or more air gaps between the front and rear volumes remain essentially unaffected during bending or deflection of the one or more cantilever beams thus maintaining the acoustical leakage between the front and rear volumes at a minimum. The present invention further relates to a receiver assembly comprising such a miniature speaker, and to a hearing device, such as a receiver-in-canal hearing device, comprising such a receiver assembly.

A method of manufacturing a liquid discharge head including a pressure generating chamber communicated to a discharge port for discharging liquid and a piezoelectric element which is provided corresponding with the pressure generating chamber and includes a piezoelectric material film and a pair of electrode films sandwiching the piezoelectric material film, including: a step of preparing a structure with a single crystal Si layer being accumulated above a front surface of an Si substrate through an etching stop layer; a step of forming a buffer layer on the above described single crystal Si layer; a step of forming, above the above described buffer layer, the above described piezoelectric material film consisting of a single crystal thin film or a thin film which is directed in a preferential orientation to a direction of the polarization through one of the above described pair of electrode films; a step of forming the above described pressure generating chamber on the above described piezoelectric material film; and a step of etching a location corresponding with the above described piezoelectric material film of the above described Si substrate from a rear surface of the above described Si substrate to reach the above described etching stop layer.

The invention concerns a process for generating a feed-through in a semiconductor wafer, which has electric circuitry embedded in a front surface whereby the hole for the feed-through is generated by the combined use of a front side protection layer and a wet KOH etch process etching the hole from the back side of the wafer, where a photomasking process is subsequently used do define the via followed by deposition of the via material.

In direct transfer, a card is transported to an image forming portion, same size, reduced or gradation corrected image data is used for forming an image to the entire surface of at least one side of a card. In indirect transfer, intermediate transfer film is transported to an image forming portion, and same size, reduced or gradation corrected image data is used to form images on the intermediate transfer film, then while transporting the intermediate transfer film to a transfer portion, a card is also transported to the transfer portion where images formed on the intermediate transfer film are transferred to the entire area of at least one side of the card. Image data size is varied. By switching between a direct transfer method and an indirect transfer method makes either transfer method applicable thereby improving printer user convenience, enables the forming of beautiful printing to the entire print surface, lowers running costs and enables high applicability of the printing system.

The invention provides a distributed public key infrastructure construction method based on an editable blockchain, and belongs to the technical field of public key infrastructure, and the method comprises the following steps: S1, initializing a system; S2, deploying an smart contract; S3, signing and issuing a certificate; S4, updating the certificate; S5, revoking the certificate; and S6, verifying the certificate. Compared with an existing PKI system based on a blockchain, an editable blockchain framework is creatively adopted, a new block does not need to be uploaded during certificate updating and revocation, the storage pressure of a blockchain network can be reduced, the certificate verification time can be shortened, a threshold ring is used for signing and issuing a certificate, and an authentication mechanism is composed of multiple CA nodes; the CA independently audits the operation request for the certificate, and the certificate can be operated only after the CA exceedingthe threshold number passes the auditing, so that the tolerance of the system to a Byzantine node is improved, and the security is relatively high.

The present invention provides a catalyst composition for the ethylene oligomerization, which comprises 2-imino-1,10-phenanthroline coordinated iron (II), cobalt (II) or nickel (II) chloride as main catalyst and triethylaluminum as cocatalyst. The present invention also provides a process for oligomerization of ethylene is provided, wherein a catalyst composition comprising 2-imino-1,10-phenanthroline coordinated iron (II), cobalt (II) or nickel (II) chloride as main catalyst and triethylaluminum as cocatalyst is used, and the molar ratio of aluminum in the cocatalyst to central metal in the main catalyst ranges from 30 to less than 200. According to the present invention, another process for oligomerization of ethylene is also provided, wherein a catalyst composition comprising 2-imino-1,10-phenanthroline coordinated iron (II), cobalt (II) or nickel (II) chloride as main catalyst and triethylaluminum as cocatalyst is used, and the temperature of ethylene oligomerization ranges from −10 to 19° C. According to the present invention, the price of cocatalyst i.e. triethylaluminum, is low, just a fraction of that of methylaluminoxane, the amount of cocatalyst is therefore significantly reduced, with the catalytic activity is still acceptable, thus the cost of ethylene oligomerization is significantly reduced. In view of both the catalytic activity and the cost, the present invention is highly applicable in industry.

The invention discloses a two-level policy decision-based access control method and a two-level policy decision-based access control system, and belongs to the field of access control in information safety. In the method, a local policy decision point (PDP) is deployed at a policy enforcement point (PEP) end, and the local PDP makes a decision for an access request according to a local policy cache, and if the local PDP cannot determine that the decision is a deterministic decision, a central PDP finally finishes the decision according to a system policy library. The system comprises a policydecision server, an attribute publishing point and a plurality of resource servers, wherein a policy enforcement point (PEP) and a local policy decision point (PDP) are deployed on each resource server; and a central policy decision point (PDP) is deployed on the policy decision server. The invention has a good dynamically adjusted elastic system framework, fully utilizes the computing resources of the PEP end, lightens the burden of the central PDP, reduces the network transmission overhead and effectively improves the access control efficiency at extremely low policy update cost.

The invention relates to a purifying method for a Rebamipide crude product. Alkaline is added in alcohol-water mixed solvent to dissolve the Rebamipide crude product. Then, activated carbon is added for decolorizing. Concentrated hydrochloric acid is added dropwise, pH is regulated to 2-3, solids are precipitated, and purified Rebamipide is obtained after filtering and drying. During the process, the mol ratio of the added amount of alkaline to the Rebamipide is controlled to be less than 3 to 1. And the operational temperature during the alkaline adding for dissolution and the acid adding for crystallization is controlled at 150 DEG C; therefore; the ring cleavage reaction of quinolone is inhabited and the generation of two impurities which are similar in structure with Rebamipide is reduced. Rebamipide with the purity of higher than 99.5 percent is obtained. Conditions are provided for improving the application degree of Rebamipide in pharmaceutical aspects of gastric mucosal protective drugs, etc.

The invention provides a multifunctional plastic with an anti-microbial effect, an oxidation resistance and a metal-chelating property and a preparation method thereof. The plastic material is mainly prepared from the following raw materials in parts by weight: 6%-10% of active anti-microbial agent, 2%-6% of active antioxidant, 3%-8% of metal-chelating agent and the balance of macromolecule resin base membrane. The modified resin substrate has certain anti-microbial effect, oxidation resistance and metal-chelating property. A novel application material is supplied for the products, such as, electronic cigarette, and the fields, such as, food packaging. The plastic has certain various characteristic functions; on the basis of improvement for the inherent performance of the products, the plastic is endowed with a more practical characteristic; the guarantee period of the products is prolonged and the application thereof is improved, so that the market value is promoted; the original raw material cost is lowered; the market space is expanded and the incoming is increased.

Provided is an aluminum or aluminum alloy material having a surface treatment coating film on a surface of a substrate formed by an aluminum or aluminum alloy. The aluminum or aluminum alloy material has: a substrate formed by an aluminum or aluminum alloy; and a first protective layer and a second protective layer in the order on a surface of the substrate, wherein the first protective layer is a conversion coating film including vanadium and at least one or more types of metals selected from titanium, zirconium, and hafnium, the second protective layer is an organic coating film having a composition that includes (1) a chitosan derivative and a solubilizing agent, (2) a modified polyvinyl alcohol formed by graft polymerization of a hydrophilic polymer to a side chain of polyvinyl alcohol, and (3) a water-soluble crosslinking agent.

Methods, systems and compositions for a green sorption media for bioretention soil amendments in drainfields for on-site waste water systems filled with the green sorption media to foster an anaerobic or anoxic environment saturated. The green sorption media includes one or more recycled materials, including tire crumb, sawdust, orange peel, coconut husks, leaf compost, oyster shell, soy bean hulls and one or more naturally occurring materials including peat, sands, zeolites, and clay. The wastewater filtration system for a passive drainfield includes the green sorption material mixture, a cell including baffled compartments and a riser, the cell filled with green sorption material mixture to provide an alternating cycle of aerobic and anoxic environments, an influent distribution system to distribute the influent over the cell, and a piping system arranged for dosing the cell to sustain the functionality of the green sorption material mixture to remove nutrient content in wastewater.