Depth ecological purifying process for water secondary treatment of sewage treatment plant

The invention discloses an advanced ecological purifying process of secondary treated wastewater in a sewage treatment plant. An advanced ecological purifying system of the secondary treated wastewater in the sewage treatment plant hyphen a river channel type ecological wetland is successfully constructed through optimizing aquatic and terrestrial pioneer plants suitable for the ecological restoration of a saline land landscape river course, and carrying out the domestication and the optimizing configuration to the aquatic and terrestrial pioneer plants. The advanced ecological purification is carried out to the secondary treated wastewater in the sewage treatment plant through controlling the water depth of the ecological wetland purifying system, the retention time of water, the load of the water, the load on the surface of COD, the recovery area of vegetation and other parameters, thereby reducing the contents of N, P and other nutritious substances in the effluent water, and preventing ...

Membrane pollution diagnosis and early warning decision making system of hollow fiber device

The invention belongs to the technical field of water treatment, and in particular relates to a membrane pollution intelligent diagnosis and early warning decision making system of a hollow fiber device. An online remote control module, a membrane pollution prediction module, a membrane pollution evaluation and early warning classification module, a membrane system abnormal circumstance intelligent diagnosis and decision making module, and an information resource management and human-computer interaction module are systematically integrated to build the membrane pollution intelligent diagnosis and early warning decision making platform, wherein the modules form the software platform of the system, and intelligent instruments on the hollow fiber membrane device such as an electromagnetic valve, a pneumatic valve, a flowmeter and turbidimeter, a pH meter and a hardness meter, and a PLC, a server, a client side and an industrial Ethernet form the hardware platform of the system. The system ...

Recombined endo-chitinase gene order and recombinant vector threreof

The invention provides a recombined endo-chitinase gene sequence based on Pichia pastoris codon preference and a recombined vector containing the recombined gene. The invention adopts modern biotechnology and makes use of PCT so as to synthesize the recombined endo-chitinase gene sequence based on Pichia pastoris codon preference, and then clones the gene sequence in a vector pPIC9K so as to obtain a eukaryon expression vector pSECH. The transformation of Pichia pastoris GS115 is carried out through adopting an electric shock method, and quick screening of positive cloning transformant with higher resistance is carried out according to growth conditions, thereby realizing efficient industrialized production of endo-chitinase at low cost. Moreover, the recombined endo-chitinase gene sequence and the recombined vector have wide application prospect.

Water-power salt-washing, pressing technique of landscape water at coastal saline-alkali soil

The invention discloses the salt rinsing and pressing technology for a landscape water body and water power in coastal saline soil. The technology comprises the following step: aiming to the characteristics of large viscosity of the soil with a landscape river channel, poor air permeability, high salinity (25000 to 38000mg/kg) and serious soil secondary salinization in the coastal saline soil, byinjecting high-salt reclaimed water (salinity of 4000 to 6000 mg/L) in a sewage disposal plant into the river channel, the influent flow is controlled, and the water power salt rinsing and pressing lis performed to the river channel. Therefore, the purpose of reducing the soil salinity of the substrate of the river channel is achieved, and the foundation is provided for ecological restoration with the subsequent landscape river channel.

Method for preparing silicon-barium-aluminum-calcium-titanium multicomponent alloy by directly reducing andalusite raw ore as material

The invention relates to a method for preparing silicon-barium-aluminum-calcium-titanium multicomponent alloy by directly reducing andalusite raw ore as material, belonging to the field of the production process of metal materials and composite ferroalloys for steel making. The method for preparing the silicon-barium-aluminum-calcium-titanium multicomponent alloy by directly reducing the andalusite raw ore as the material is characterized by comprising the following steps of: a, preparing ore; b, preparing a carbonaceous reducing agent; c, uniformly mixing the carbonaceous reducing agent and the ore; d, adding the mixed material into an ore heating arc furnace, controlling the temperature in the furnace to be 1950-2150 DEG C, and smelting the material in the furnace for 3-4h; and e, letting out rough-wrought silicon-barium-aluminum-calcium-titanium multicomponent alloy liquid to a tundish from a taphole every other 3-4h, adding refining flux in the tundish, deslagging and ingoting to obtain ...

Method for treating high concentrated organic wastewater by membrane yeast reactor (MYR)

The invention discloses a new method for treating high-concentration organic wastewater by a membrane yeast reactor (MYR). The method comprises that: on the basis of fully utilizing advantages of membrane separation technology, naturalized specific microzyme is screened aiming at different water quality to replace activated sludge in a routine membrane reactor method; through the membrane separation process, the method realizes effective interception of the specific microzyme in the reactor, achieves good solid-liquid separation effect, and greatly improves the degradation effect of strain on the high-concentration organic wastewater simultaneously. The method has the advantages of simplicity, feasibility, few equipment, low investment, no secondary pollution and stable effect on organism degradation.

UI component detection method and device, equipment and storage medium

The embodiment of the invention provides a UI component detection method and device, equipment and a storage medium, and relates to the technical field of software development. The UI component detection method comprises the steps that all mouse events are monitored on a global file object, and when any mouse event is monitored, a current element is acquired; querying an element with a component identification code from the current element and all ancestor elements of the current element to obtain a target element; and detecting all UI components in the low-code development platform according to the component identification code of the target element to obtain a target UI component. According to the embodiment of the invention, the technical effect of compatibly detecting various types of UI components in the low-code development platform can be realized.

Method for preparing ferro-silico-aluminum alloy from andalusite raw ore

The invention relates to a method for preparing a ferro-silico-aluminum alloy from an andalusite raw ore, and belongs to the preparation of alloy raw materials for steelmaking. The method for preparing the ferro-silico-aluminum alloy from the andalusite raw ore is mainly characterized by comprising the following steps of: a, preparing ores, namely preparing 80 to 100 weight percent of andalusite raw ore with granularity of 50 to 150mm, and 0 to 20 weight percent of iron ore with granularity of 15 to 25mm; b, preparing a carbonaceous reducing agent, wherein the carbonaceous reducing agent is added in an amount which is 60 to 110 percent based on the total weight of the mixed ores and has the granularity of 10 to 20mm; c, uniformly mixing the carbonaceous reducing agent and the ores; d, adding the mixed materials into an ore-bearing electric arc furnace, controlling the temperature in the furnace within the range of between 1,950 and 2,150 DEG C, and smelting the materials in the furnace ...

Method for spraying and desalting through residual pressure of reverse osmosis concentrated water

The invention establishes a method for treating waste concentrated saltwater of reverse osmosis systems. The method mainly comprises the following steps that: the residual pressure of concentrated water produced by the self of a reverse osmosis system during water production is utilized to form high-salt spray so as to save power needed by conventional atomization; tiny water droplets quickly evaporate in floating air so as to separate water, salt and other impurities; meanwhile, organic matter contained by the water is oxidized to be carbon dioxide; vapor is input into a condensing chamber to turn into pure water, while salt and high-power tail water fall to the bottom of a separation chamber; the tail water and initial inflow water are mixed and circulated and then continue to be atomized and concentrated to a saturation state; the contained salt is subjected to heat-exchange condensation and then crystallization and precipitation; and water purification and salinity removal of reverse ...

Construction technique for beach saline land landscape water aquatic plant system

The invention discloses a construction technique for water plant system of scenic water in coastal saline-alkali area. The method aims at the characteristics such as high salt content in the soil and the water in scenic riverways in coastal saline-alkali area and utilizes highly saline reuse water washing salinity technique and salt-proof techniques such as raw soil mixed with sand and salt discharge subdrain, etc. to reduce the salt content of the soil and water of the riverway. Meanwhile, in respects of increasing the ornamental performance and strengthening the purificatory function, water pioneer plants and land pioneer plants suitable for the ecological restoration of the scenic riverways in coastal saline-alkali area are selected preferably, and are subject to domestication and optimal distribution, thus the water plant system of scenic water in coastal saline-alkali area is successfully constructed, thereby improving the environmental scenery effectively and restoring the quality ...

Water-power salt-washing, pressing technique of landscape water at coastal saline-alkali soil

Method for spraying and desalting through residual pressure of reverse osmosis concentrated water

The invention establishes a method for treating waste concentrated saltwater of reverse osmosis systems. The method mainly comprises the following steps that: the residual pressure of concentrated water produced by the self of a reverse osmosis system during water production is utilized to form high-salt spray so as to save power needed by conventional atomization; tiny water droplets quickly evaporate in floating air so as to separate water, salt and other impurities; meanwhile, organic matter contained by the water is oxidized to be carbon dioxide; vapor is input into a condensing chamber to turn into pure water, while salt and high-power tail water fall to the bottom of a separation chamber; the tail water and initial inflow water are mixed and circulated and then continue to be atomized and concentrated to a saturation state; the contained salt is subjected to heat-exchange condensation and then crystallization and precipitation; and water purification and salinity removal of reverse ...

Recombined endo-chitinase gene order and recombinant vector threreof

The invention provides a recombined endo-chitinase gene sequence based on Pichia pastoris codon preference and a recombined vector containing the recombined gene. The invention adopts modern biotechnology and makes use of PCT so as to synthesize the recombined endo-chitinase gene sequence based on Pichia pastoris codon preference, and then clones the gene sequence in a vector pPIC9K so as to obtain a eukaryon expression vector pSECH. The transformation of Pichia pastoris GS115 is carried out through adopting an electric shock method, and quick screening of positive cloning transformant with higher resistance is carried out according to growth conditions, thereby realizing efficient industrialized production of endo-chitinase at low cost. Moreover, the recombined endo-chitinase gene sequence and the recombined vector have wide application prospect.

Spirulina phycobiliprotein alpha subunit total protein gene and encoding protein thereof

Relating to an Alpha subunit holoprotein gene of phycobiliprotein from Spirulina and an encoding protein thereof as well as a recombinant vector containing the Alpha subunit holoprotein gene of phycobiliprotein from Spirulina, the present invention provides an Alpha subunit holoprotein gene of phycobiliprotein from Spirulina, an encoding Alpha subunit holoprotein of phycobiliprotein from Spirulina and an amino acid sequence thereof as well as a recombinant vector containing the Alpha subunit holoprotein gene of phycobiliprotein from Spirulina and an Escherichia coli expression vector constructed by the recombinant vector. Adopting the modern biotechnology, the present invention clones the Alpha subunit gene of phycobiliprotein from Spirulina from algae mud, constructs the microorganism expression vector and transfers the expression vector into Escherichia coli, which can be easily purified and adapted to large-scale industrialized fermentation production, to construct high secretion type ...

Recombinant carrier containing endo-chitinase genes

The invention relates to an endonuclease chitinase, the gene expressing the endonuclease chitinase and the restructuring carrier containing the endonuclease chitinase gene. The endonuclease chitinase gene is cloned from trichoderma using modern biotechnoloty; the microorganism expression vector is constructed, and the expression vector is transformed to an escherichia coli and Pichia pastoris which has the advantages of high expression, easy purification and easy adaptation for large-scale industrial fermentation production; the high secretion type endonuclease chitinase engineering bacteria is constructed, and the chitin is catalyzed and degraded to the chitin oligosaccharide utilizing the engineering bacteria, so as to realize the industrial production and the industrialization demonstration of chitin oligosaccharide.

Method for preparing silicon-barium-aluminum-calcium-titanium multicomponent alloy by directly reducing andalusite raw ore as material

The invention relates to a method for preparing silicon-barium-aluminum-calcium-titanium multicomponent alloy by directly reducing andalusite raw ore as material, belonging to the field of the production process of metal materials and composite ferroalloys for steel making. The method for preparing the silicon-barium-aluminum-calcium-titanium multicomponent alloy by directly reducing the andalusite raw ore as the material is characterized by comprising the following steps of: a, preparing ore; b, preparing a carbonaceous reducing agent; c, uniformly mixing the carbonaceous reducing agent and the ore; d, adding the mixed material into an ore heating arc furnace, controlling the temperature in the furnace to be 1950-2150 DEG C, and smelting the material in the furnace for 3-4h; and e, letting out rough-wrought silicon-barium-aluminum-calcium-titanium multicomponent alloy liquid to a tundish from a taphole every other 3-4h, adding refining flux in the tundish, deslagging and ingoting to obtain ...

Method and system for emitting pins of ODT (On-Die Termination) of memory

The invention provides a method for emitting pins of an ODT (On-Die Termination) of a memory and a corresponding system of the method for emitting pins of an ODT (On-Die Termination) of a memory, and solves the problem that DDR chip selection pins are overoccupied. The method comprises the following steps of configuring a dynamic mode of the ODT of the memory, connecting the pins of the ODT with high level, disabling a dynamic mode terminal resistor in a non-writing state, and configuring a dynamic mode terminal resistor in a writing state.

Construction technique for beach saline land landscape water aquatic plant system

The invention discloses a construction technique for water plant system of scenic water in coastal saline-alkali area. The method aims at the characteristics such as high salt content in the soil andthe water in scenic riverways in coastal saline-alkali area and utilizes highly saline reuse water washing salinity technique and salt-proof techniques such as raw soil mixed with sand and salt discharge subdrain, etc. to reduce the salt content of the soil and water of the riverway. Meanwhile, in respects of increasing the ornamental performance and strengthening the purificatory function, waterpioneer plants and land pioneer plants suitable for the ecological restoration of the scenic riverways in coastal saline-alkali area are selected preferably, and are subject to domestication and optimaldistribution, thus the water plant system of scenic water in coastal saline-alkali area is successfully constructed, thereby improving the environmental scenery effectively and restoring the qualityof ...

Artificial subsurface wetland with dry bed

The invention discloses an artificial subsurface wetland with a dry bed. Waterproof sealing structures are arranged at four sides and the bottom of a wetland body; large-size gravels are filled in a wetland inflow area and a wetland drain area; a drain channel is arranged at the downstream of the wetland drain area; a perforated water distribution pipe connected with a system water inlet pipe is arranged inside the wetland inflow area; the system water inlet pipe is externally connected with a flush water pipe; fillers are filled in the subsurface wetland; a perforated water gathering pipe is arranged in the wetland drain area and is connected with one end of a rotary drain pipe; the other end of the rotary drain pipe is connected to the drain channel; a system drain pipe is arranged in the drain channel; a deepened water gathering channel is arranged at the bottom of the tail end of the wetland drain area; an emptying drain pipe is arranged at the bottom of the water gathering channel.

Method and device for processing three-dimensional model component data, equipment and storage medium

The invention provides a method, device and equipment for processing component data of a three-dimensional model and a storage medium, and the method comprises the steps: storing the component data of the three-dimensional model through a preset component storage table; formatting and processing component data in the component storage table to obtain a processed component storage table, and storing the processed component storage table in a data warehouse layer of the three-dimensional model; according to preset key information, corresponding component data are retrieved from a data mart layer of the three-dimensional model, and the key information comprises at least one of attribute hash values, component types, component names and component attributes. By means of the method, the effects of effective storage and rapid retrieval of the component data in the three-dimensional model can be achieved.

Spirulina phycobiliprotein alpha subunit total protein gene and encoding protein thereof

Relating to an Alpha subunit holoprotein gene of phycobiliprotein from Spirulina and an encoding protein thereof as well as a recombinant vector containing the Alpha subunit holoprotein gene of phycobiliprotein from Spirulina, the present invention provides an Alpha subunit holoprotein gene of phycobiliprotein from Spirulina, an encoding Alpha subunit holoprotein of phycobiliprotein from Spirulina and an amino acid sequence thereof as well as a recombinant vector containing the Alpha subunit holoprotein gene of phycobiliprotein from Spirulina and an Escherichia coli expression vector constructed by the recombinant vector. Adopting the modern biotechnology, the present invention clones the Alpha subunit gene of phycobiliprotein from Spirulina from algae mud, constructs the microorganism expression vector and transfers the expression vector into Escherichia coli, which can be easily purified and adapted to large-scale industrialized fermentation production, to construct high secretion type ...

Back-washable vertical flow subsurface-flow constructed wetland

The invention discloses a back-washable vertical flow subsurface-flow constructed wetland comprising a water distribution trough, a subsurface-flow wetland area and an effluent trough which are sequentially arranged from a water inlet pipe to a water outlet pipe of a system. Sealed waterproof structures are arranged on the periphery and at the bottom of the subsurface-flow wetland area, the communicated rotatable water outlet pipe is arranged from the subsurface-flow wetland area to the effluent trough, the subsurface-flow wetland area is filled with fillers including large gravels and small gravels laid from bottom to top, perforated pipes are laid at the bottom of the subsurface-flow wetland area in the width direction every 5m, one end of each perforated pipe is positioned on one inner side of the subsurface-flow wetland area close to the water distribution trough, the other end of each perforated pipe is connected with one end of the rotatable water outlet pipe, the other end of the ...

Nitrilase and application thereof in biological preparation of beta-alanine

The invention discloses nitrilase and application thereof in biological preparation of beta-alanine, in a first stage, nitrilase NIT II obtained by site-directed mutagenesis reacts with a substrate acrylonitrile to obtain acrylic acid, and the tolerance of the nitrilase to a high-concentration substrate is improved by preparing immobilized cells. And in the second stage, the beta-alanine is obtained by reacting aspartase with acrylic acid. Compared with a method using fumaric acid and acrylic acid as raw materials, the acrylonitrile used in the method is lower in cost, lower in molecular weight, less in consumed ammonia water and higher in atom economy.

Combined artificial fish reef-biological grid water body purification method and device

The invention discloses a combined artificial fish reef-biological grid water body purification method and a combined artificial fish reef-biological grid water body purification device. The device consists of an artificial fish reef and a biological grid consisting of a bracket and a biological rope, wherein the artificial fish reef has a reinforced concrete structure and the middle part of the artificial fish reef is provided with a crossed partition wall; the four ends of the partition wall are connected with four central points or diagonal points of a cubic side wall; both the side wall and the partition wall are provided with a plurality of holes; and iron is embedded at the four corners of a cubic wall to serve as connecting fixtures of the biological grid bracket. By using the purification system device, the total nitrogen (TN) removal rate in a water body can be 20 to 40 percent, the total phosphorus (TP) removal rate is maintained to be 15 to 30 percent, the chemical oxygen demand ...

Recombinant carrier containing endo-chitinase genes

The invention relates to an endonuclease chitinase, the gene expressing the endonuclease chitinase and the restructuring carrier containing the endonuclease chitinase gene. The endonuclease chitinase gene is cloned from trichoderma using modern biotechnoloty; the microorganism expression vector is constructed, and the expression vector is transformed to an escherichia coli and Pichia pastoris which has the advantages of high expression, easy purification and easy adaptation for large-scale industrial fermentation production; the high secretion type endonuclease chitinase engineering bacteria is constructed, and the chitin is catalyzed and degraded to the chitin oligosaccharide utilizing the engineering bacteria, so as to realize the industrial production and the industrialization demonstration of chitin oligosaccharide.

Membrane pollution diagnosis and early warning decision making system of hollow fiber device

The invention belongs to the technical field of water treatment, and in particular relates to a membrane pollution intelligent diagnosis and early warning decision making system of a hollow fiber device. An online remote control module, a membrane pollution prediction module, a membrane pollution evaluation and early warning classification module, a membrane system abnormal circumstance intelligent diagnosis and decision making module, and an information resource management and human-computer interaction module are systematically integrated to build the membrane pollution intelligent diagnosis and early warning decision making platform, wherein the modules form the software platform of the system, and intelligent instruments on the hollow fiber membrane device such as an electromagnetic valve, a pneumatic valve, a flowmeter and turbidimeter, a pH meter and a hardness meter, and a PLC, a server, a client side and an industrial Ethernet form the hardware platform of the system. The system ...

Combined artificial fish reef-biological grid water body purification method and device

The invention discloses a combined artificial fish reef-biological grid water body purification method and a combined artificial fish reef-biological grid water body purification device. The device consists of an artificial fish reef and a biological grid consisting of a bracket and a biological rope, wherein the artificial fish reef has a reinforced concrete structure and the middle part of the artificial fish reef is provided with a crossed partition wall; the four ends of the partition wall are connected with four central points or diagonal points of a cubic side wall; both the side wall and the partition wall are provided with a plurality of holes; and iron is embedded at the four corners of a cubic wall to serve as connecting fixtures of the biological grid bracket. By using the purification system device, the total nitrogen (TN) removal rate in a water body can be 20 to 40 percent, the total phosphorus (TP) removal rate is maintained to be 15 to 30 percent, the chemical oxygen demand ...