49results about How to "Economic route" patented technology

The invention discloses a method of producing bio-diesel by fermenting the heterotrophic chlorella in high density which belongs to the renewable biological energy field. The method uses the heterotrophic chlorella fermented in high density in the bio-reactor as a raw material, which screens the chlorella species having high growth rate and high oil content, directly inoculates into the bottle as the first-class germ to culture then transfers to the fermentation cylinder to undergo the second-glass high density fermentation; the reaction condition is then optimized, and the process is controlled; the culture containing the carbohydrate is dripped to provide the nutrition for the cell growth, therefore the heterotrophic chlorella cells cultured in high density with density of 108g / L and oil content of 61 percent are separated, collected and dried; the algae oil is extracted, and the bio-diesel is produced by transesterification reaction; the invention reduces the cost for the raw material of bio-diesel, and satisfies the demand of industrialized application of producing bio-diesel by heterotrophic chlorella cells, therefore the technique of the invention becomes an economical and effective way of making oils from bio-diesel materials.

The invention discloses a method for splitting traffic trip modes on the basis of mobile phone data.The method comprises the steps that according to mobile phone behavior characteristics, on the basis of the mobile phone data, a home address community and a work community of a mobile phone user are predicted, a commuting O-D matrix between the home address community and the work community of the mobile phone user is constructed by means of communication records, produced in the home address community and the work community, of the mobile phone user on working days; the commuting trip time, trip distance and trip speed are calculated by means of time information and position information which are contained in the mobile phone data, a speed and distance rank algorithm is built through trip characteristics of different trip modes, urban traffic network information data is introduced, a Logit model based on the trip time is built to achieve large scale urban traffic trip mode splitting, and a novel economical and feasible method is provided for traffic demand prediction among the traffic modes.

The invention discloses a carbon nanometer material preparing method through micro-arc discharging of cathode gas film in the solution, which comprises the following steps: adopting acid, alkaline and salt solution as basic electrolyte; applying DC through area rate of cathode and anode; discharging gas film arc on the cathode; adopting high-purity graphite as cathode and carbon source or adopting high purity graphite with doped catalyst as cathode, carbon source and catalyst; or Fe or Co or Ni or their alloy as cathode; adding soluble organics in the basic electrolyte as carbon source; obtaining ocimene, carbon nanometer ball, carbon nanometer flower, carbon nanometer fiber and carbon nanometer pipe; forming diamond film on the cathode surface.

The invention discloses a network printing system based on cloud computing. The network printing system based on the cloud computing comprises an infrastructure layer, a management layer and a network printing service layer, wherein the infrastructure layer is used for providing calculation, data storage and network communication resource for a high level; the management layer is built on the infrastructure layer and used for managing resource and task information; the network printing service layer is built on the management layer, is used for providing network printing service, and comprises a cloud service platform; the management layer comprises a cloud server with a distributed structure and a cloud memory; the infrastructure layer comprises a cloud memory with a distributed structure; and the cloud service platform is used for exchanging information with the cloud memory through the cloud server. According to the network printing system based on cloud computing, provided by the invention, the cloud computing and the cloud memory are added into the system, so that the processing and storage for a large number of documents and data are effectively achieved. Besides, the invention also provides a data storage method applied to the network printing system based on the cloud computing.

The invention relates to a hierarchical pore structure silicon-based negative electrode material for a lithium battery and a preparation method of the hierarchical pore structure silicon-based negative electrode material. The preparation method comprises the following steps: using a waste ultrafine silicon dioxide powder material generated in optical fiber production, firstly performing acid pickling and purification on the silicon dioxide powder, then using a water bath method to disperse the purified silicon dioxide powder into deionized water, adding a silane coupling agent, then adding an acid to the solution, further adding a surfactant, stirring, standing, crystallizing, filtering, drying and calcining the crystal at high temperature to form a modified carrier; adding the modified carrier material to an ethanol solution or deionized water, adding silica powder, stirring and dispersing, filtering and drying to obtain the silicon-based material with a mesoporous structure; then adding the purified silicon dioxide powder to a sodium hydroxide solution, performing high temperature autoclave reaction, adding the silicon-base material with the mesoporous structure and a carbon material to the obtained product, then adding an acid solution, washing, drying and calcining at high temperature, and naturally cooling to obtain the silicon-based negative electrode material with the hierarchical pore structure.

A processing method of heavy oil comprises the following steps: carrying out a contact cracking treatment on inferior heavy oil, making cokes deposited on a contact agent carry out a gasification reaction at a low temperature in a gasification unit to convert the cokes into gasified gas which is rich in carbon monoxide and hydrogen gas, transporting the gasified gas rich in carbon monoxide and hydrogen gas into a converting unit to generate hydrogen gas and CO2, separating the hydrogen gas and CO2, and transporting CO2 to a dry reforming unit to carry out reaction with gas rich in methane in the presence of a regeneration contact agent so as to generate CO and hydrogen gas; wherein the contact agent can be recycled and returned to the contact cracking reactor after the contact agent has exerted a catalyzing function and then is discharged out from the dry reforming reactor. The processing method reasonably utilizes residues and metals of heavy oil processing to produce products with a high economic value, and is economic and environment-friendly.

The invention discloses an archaeological excavation data based relic site early terrain three-dimensional reconstruction method. The method includes steps: (1) partitioning a relic site, determiningminimum region units, numbering regions, and taking each minimum region unit as a basic recording unit; (2) subjecting the relic site to classifying space calibration, correcting relic space information sorted on the basis of excavation data into region cells, linking with the region units according to space positions, and performing statistics of depth of relics in the cells away from the groundsurface; (3) taking the ground surface close to excavation time as a starting surface to calculate depth of underground relic units by subtracting height, recorded in excavation data, of relics in certain time away from the ground surface from elevation of the starting surface; (4) taking center points of the minimum region units as elevation recording points and taking elevation values of relic units as elevation values of the minimum region units, using dispersed minimum region unit elevations to deduce ancient surface configuration in relic time, establishing a relic site early terrain three-dimensional model, and visualizing. The archaeological excavation data based relic site early terrain three-dimensional reconstruction method is scientific, effective, direct and accurate, is not only helpful to archaeological excavation data mining and using but also has a great promoting and assisting effect on archaeological site environment and layout research, thereby being significant to archaeological excavation data standardization, digitization, visualization and deep mining.

The invention discloses an inferior heavy oil contact cracking-gasification combined treatment method. The inferior heavy oil contact cracking-gasification combined treatment method comprises the following steps that 1, inferior heavy oil is fed into a contact cracking reactor, undergoes a contact cracking reaction with a contact agent to produce reaction oil gas and a carbon-containing contact agent; and after gas-solid separation, the reaction oil gas is fed into a follow-up separation system and the carbon-containing contact agent is fed into a gasifier; 2, in the gasifier, carbon of the carbon-containing contact agent obtained by the step 1 and a gasification agent undergo a binding reaction at a low gasification temperature to produce synthesis gas rich in CO and H2; simultaneously a CO2 capture material of the carbon-containing contact agent absorbs CO2 produced by the binding reaction; and the reacted carbon-containing contact agent enters into a regenerator; and 3, oxygen-containing gas is fed into the regenerator; residual carbon of the reacted carbon-containing contact agent and oxygen undergo a reaction at a high reaction temperature and burn completely; the CO2 capture material binding with CO2 releases CO2 so that the reacted carbon-containing contact agent recovers activity; and the regenerated carbon-containing contact agent returns back to the contact cracking reactor. Through the inferior heavy oil contact cracking-gasification combined treatment method, a light oil yield of a cracking reaction is improved; a gasification reaction temperature is reduced; and contact agent hydro-thermal inactivation and structure damage are avoided.

The invention belongs to the field of high value conversion and utilization of biological waste, in particular to a soil improving hydrogel, a preparation method thereof and application thereof. The hemicellulose-containing wastewater is used as a solvent, mixed with a hydrogel monomer and a crosslinking agent, and a crosslinked polymer obtained by polymerization is a hydrogel. The water-retainingagent provided by the invention can directly use the hemicellulose-containing wastewater as the solvent, thereby eliminating the high energy consumption and chemical reagent costs of separation and purification of hemicellulose; oligosaccharide rich therein and phosphorus and potassium and other elements added during the preparation process can be used as a supplementary nutrient for crops and soil microorganisms to promote the water retention performance of a soil ecological improving agent and microbial colonization. The other components in by-products are utilized, and no wastewater is discharged during the entire utilization process, thereby providing an economical and environment-friendly route for hemicellulose treatment in the pulping and viscose fiber industries.

The invention discloses a methylene bridging 1,8-naphthyridine ligand and copper (I) complex, a preparing method and an application. The molecular formula of the methylene bridging 1,8-naphthyridine ligand and copper (I) complex is shown in the specification, wherein R1 is hydrogen or methyl. The methylene bridging 1,8-naphthyridine ligand and copper (I) complex is the first complex obtained in the mode that an activation reaction is carried out through a SP3C-H key under the condition that a catalyst is free so far, and it is firstly achieved that a C-C key is activated and constructed through the catalyst-free SP3C-H key. The copper (I) complex can be used as a catalyst of a coupling reaction between aryl halide and imidazole compound C-N, and the yield is high.

The invention discloses a plant fertility associated protein and a coding gene and use thereof. The protein provided by the invention is named MYB21CDS and is derived from Arbidopsis thaliana. The protein may be a protein 1) and a protein 2), wherein the protein 1) is formed by an amino acid sequence represented by the sequence No.2 in a sequence table; and the protein 2) is formed by substituting and / or losing and / or increasing one or several amino acid residues in the amino acid sequence represented by the sequence No.2. Experiments conducted in the invention prove that the gene MYB21CDS provided by the invention leads to male sterility of plants after overexpression. In production, the gene can be expressed under induction to produce a sterile line which can serve as a female parent tobe crossed with a male parent to produce hybrid seeds.

The invention discloses a method for conducting vanadium alloying through vanadium slag in the smelting process of a vanadium-containing semisteel revolving furnace and belongs to the technical fieldof steelmaking. The method aims at achieving the technical effects that the steelmaking method for conducting vanadium alloying through the vanadium slag in the revolving furnace is provided, thus, avanadium-containing iron alloy is partly or wholly replaced with the vanadium slag low in price, and a low-cost high-strength steel is produced. The method comprises the following steps of crushing the vanadium slag into blocks; before steel tapping or in the steel tapping process of the revolving furnace and after a steel ladle is in place, adding the vanadium slag to the steel ladle according tothe revolving furnace final point element analysis result, and adding a deoxidizing agent and other alloy elements of the target steel in the steel tapping process; and when steel tapping is ended, controlling the slag thickness of the steel ladle, and adding lime and fluorite to the slag surface. According to the steel obtained through the method, the vanadium yield is stable; the technologicalprocess is short; cost is low; chemical constituents and performance indexes of the steel can completely meet relevant standard requirements; and a more economical route is provided for production ofthe vanadium-containing steel.

The invention discloses a plant promoter and application thereof. The invention provides a DNA (deoxyribonucleic acid) molecule which is as shown in (1) or (2) or (3), (1): a DNA molecule shown in a sequence 1 in a sequence table; (2): a DNA molecule which is hybridized with the DNA sequence limited in (1) under the strict condition and has a promoter function; (3): a DNA molecule which has homology of above 90 percent with the DNA sequence limited in (1) or (2) and has a promoter function. The invention provides a promoter, which is capable of driving a gene to be expressed in a plant. The invention provides an economic, rapid and effective approach for genetic modification of plants, especially vegetables and flowers of cruciferae. The plant promoter is wide in application space and market prospect in the agricultural field.

The invention relates to an artificial wetland capable of strengthening a treatment effect of salt-containing wastewater by utilizing intertidal zone bottom mud and application and belongs to the field of environmental protection. The artificial wetland comprises a water inlet pipeline, a wetland main body and a water outlet pipeline, wherein the water inlet pipeline is located above the wetland main body; the water outlet pipeline is located below the wetland main body; the wetland main body comprises wetland plants and a wetland bed body; the wetland main body is a subsurface flow type artificial wetland; wetland plants are planted on the wetland bed body; the wetland bed body comprises a first sand layer, an intertidal zone bottom mud layer and a filtering layer in sequence from top tobottom; the filtering layer comprises a second sand layer, a gravel layer and a rough sand layer in sequence from top to bottom. The artificial wetland can cope with changes of the environment and pollution caused by introduced species; compared with the effect of a traditional single microorganism, the artificial wetland has a better COD (Chemical Oxygen Demand) removing effect and abundant microorganism diversity and salt-resisting species groups are guarantees of effect optimization.

The invention discloses a plant adversity-resistant related protein TaMYB30, a coding gene and an application of the plant adversity-resistant related protein TaMYB30. The protein provided by the invention is the following (a) or (b): (a) a protein composed of amino acid sequences shown in the sequence 1 in a sequence table; (b) a sequence 1-derived protein obtained by substituting and / or deleting and / or adding one or more amino acid residues of the amino acid sequence of the sequence 1, and related to the plant adversity resistance. The method provided by the invention is theoretically and practically significant for research on plant adversity-resistant molecular mechanism, seed selection of plant adversity-resistant variety and molecular breeding of plant adversity resistance, and an economic, quick and effective way for improving the plant adversity resistance is provided. The plant adversity-resistant related protein TaMYB30 can be widely applied to the agricultural field with wide prospect.

The invention discloses an LTP protein related to plant cold resistance, and a coding gene and applications thereof. The applications specifically relate to applications in following a1) or a2) of the protein formed by an amino acid sequence shown as a sequence 1 in a sequence table: a1) regulation and control of plant cold resistance; and a2) breeding of cold-resistant plant varieties. Experiments show that: the coding gene of the protein formed by the amino acid sequence shown as the sequence 1 in the sequence table is utilized for breeding of cold-resistant plant, and the breeding method has characteristics of simple operation and short period and is suitable for popularization and application. The survival rate of LTP-transgenic rice obtained by the protein and the coding gene after low-temperature processing can also reach 100%. The method has important theoretical and practical meaning for research of plant cold resistance molecular mechanisms, breeding of cold-resistant varieties, and plant cold-resistant molecular breeding, and provides an economical, rapid and effective route for improving the plant cold resistance.

The invention discloses a protein related with plant tolerance and a coding gene and applications thereof. The protein is (a) or (b) as follows: (a) a protein prepared from an amino acid sequence as shown in a sequence 1 in a sequence table; and (b) a protein derived by the sequence 1, namely the amino acid sequence of the sequence 1 is subjected to the substitution and / or deficiency and / or addition of one or several amino acid residue and is related with the plant tolerance. The coding gene of the protein is introduced into the plants, so that the drought resistance of the plants can be enhanced. The method has an important theoretical and practical significance to the research in a drought-tolerance molecule mechanism of the plants, the seed selection of drought-tolerance varieties of the plants and the breeding of the drought-tolerance molecules of the plants, and the invention provides an economic, fast and effective way for increasing the drought tolerance of the plants. The protein related with plant tolerance and the coding gene and the applications thereof have wide application and market prospects in the agricultural field.

The invention relates to a camellia oil seed coat extractive as well as a preparation method and application thereof. The preparation method thereof comprises the following steps: carrying out ungrease treatment on camellia oil seed coat; extracting the camellia oil seed coat after ungrease treatment in a solvent to obtain an extracting solution; and carrying out reduced pressure distillation on the extracting solution so as to obtain the camellia oil seed coat extractive. The camellia oil seed coat extractive extracted and obtained in the preparation method has the characteristics of good water solubility, high oxidation resistance and high stability.

The invention discloses a condense disc and a condense grating for enterprises and families, having simple structure, simple production, wide material supply, low cost and wide application, wherein the condense disc comprises a transparent material, a plane and an inclined plane ring, the condense grating comprises a transparent material, a plane and a linear inclined plane, the center of the condense disc is a convex lens, when the rings are curve planes and the focus points are at one point, the condense disc can be a huge convex lens, the center, and when the center is a concave lens, the rings are concave planes, the virtual focus points are at one point, the condense disc can be a huge concave lens.

The invention discloses a plant low temperature resistance gene. The coding amino acid sequence of the plant low temperature resistance gene is represented by SEQ ID NO.1, and the cDNA sequence is represented by SEQ ID NO.2. The plant low temperature resistance gene possesses important utilization potentiality in improvement of plant low temperature stress resistance or cultivation of plant with low temperature resistance. The invention also provides a recombinant vector, a transgenic cell line, and a transgenic recombinant bacterium which contain the plant low temperature resistance gene. The invention also discloses a cultivation method of transgenic low temperature resistant plant. According to the cultivation method, transgenosis of the plant low temperature resistance gene into a target plant is carried out so as to obtain the transgenic low temperature resistant plant. The cultivation method can be used for culturing transgenic plant with excellent low temperature resistance; the cultivation process is economical and rapid; and application prospect in the field of agriculture is promising.

The invention discloses a plant stress tolerance related protein TaMYB19, and a coding gene and application thereof. The protein is the following (a) or (b): (a) a protein formed by amino acid sequences shown in Sequence 1 in a sequence table; and (b) a protein which is formed by the substitution and / or deletion and / or addition of one or more amino acid residues in the amino acid sequences in Sequence 1, is related to plant stress tolerance and is derived from Sequence 1. The method has great theoretical and practical significance in study of plant stress tolerance molecule mechanisms, selection of plant stress tolerance varieties and plant stress tolerance molecule breeding, and provides an economical, quick and effective approach for improving the plant stress tolerance. The protein has extensive application and market prospects in the agriculture field.

The invention discloses a plant low temperature resistance gene. The coding amino acid sequence of the plant low temperature resistance gene is represented by SEQ ID NO.1, and the cDNA sequence is represented by SEQ ID NO.2. The plant low temperature resistance gene possesses important utilization potentiality in improvement of plant low temperature stress resistance or cultivation of plant with low temperature resistance. The invention also provides a recombinant vector, a transgenic cell line, and a transgenic recombinant bacterium which contain the plant low temperature resistance gene. The invention also discloses a cultivation method of transgenic low temperature resistant plant. According to the cultivation method, transgenosis of the plant low temperature resistance gene into a target plant is carried out so as to obtain the transgenic low temperature resistant plant. The cultivation method can be used for culturing transgenic plant with excellent low temperature resistance; the cultivation process is economical and rapid; and application prospect in the field of agriculture is promising.

The invention discloses a network printing system based on cloud computing. The network printing system based on the cloud computing comprises an infrastructure layer, a management layer and a network printing service layer, wherein the infrastructure layer is used for providing calculation, data storage and network communication resource for a high level; the management layer is built on the infrastructure layer and used for managing resource and task information; the network printing service layer is built on the management layer, is used for providing network printing service, and comprises a cloud service platform; the management layer comprises a cloud server with a distributed structure and a cloud memory; the infrastructure layer comprises a cloud memory with a distributed structure; and the cloud service platform is used for exchanging information with the cloud memory through the cloud server. According to the network printing system based on cloud computing, provided by the invention, the cloud computing and the cloud memory are added into the system, so that the processing and storage for a large number of documents and data are effectively achieved. Besides, the invention also provides a data storage method applied to the network printing system based on the cloud computing.

The invention particularly relates to myricetin functionalized silver nanoparticles, a green preparation method thereof and a pharmaceutical composition. Myricetin has various biological characteristics of antibiosis, antioxidation, anticancer and the like, but is poor in water solubility, so bioavailability is low. The invention provides a myricetin-mediated silver nanoparticle. The silver nanoparticle has good oxidation resistance, and the free radical scavenging rate of the silver nanoparticle is about 60-87% under different concentrations (0.01-0.1 mg / ml). The biosynthesized nano-silver particles have good antibacterial performance on escherichia coli and salmonella at room temperature. The minimum inhibitory concentrations (MIC) are 10<-4> g / L and 10<-5> g / L respectively.

The invention pertains to the technical field of plant genetic engineering, in particular relates to an application of an OsRPA1a gene, a rice fertility control gene, in rice fertility control. The invention is characterized in that: the OsRPA1a gene is one of the following nucleotide sequences: (1) the DNA sequence showed in sequence table SEQ NO:1; or (2) a DNA sequence of a protein with the coding the same as that of the protein in (1). The invention discloses the isolation cloning, biological function verification and genetic transformation steps of the gene and the cloned gene is important for the genetic improvement of rice.