335 results about "Bio based" patented technology

The invention discloses a full life cycle test method, system and equipment for a variable pitch system of a wind generating set, and the method comprises the steps: constructing a digital twin model of the variable pitch system, and simulating the performance of the variable pitch system under an extreme working condition through the digital twin model; deploying a self-adaptive nano sensor network, and testing and optimizing the variable pitch system; carrying out remote installation and calibration guidance on the tested and optimized variable pitch system by utilizing an augmented reality technology; through an autonomous learning monitoring mechanism, all-weather monitoring is carried out on the pitch system which is operated after installation and calibration, and potential problems and damage in operation of the pitch system are predicted; based on a biological inspiration self-repairing technology, repairing potential damage of the variable pitch system; the method comprises the following steps: acquiring operation data of a variable pitch system, proposing an upgrading scheme for the variable pitch system by virtue of an expert diagnosis mechanism, and verifying the upgrading scheme through a digital twinborn model; and an intelligent decommissioning evaluation platform is established, the residual life of the variable pitch system is evaluated, and a recovery scheme is formulated.

The invention discloses a biochar-based slow-release fertilizer and a preparation method thereof, and relates to the technical field of fertilizer production, the biochar-based slow-release fertilizer comprises a core, a carrier layer, a biological layer and a protective layer, the core is composed of macroelements, microelements and a nitrification inhibitor; the carrier layer comprises graphene quantum dot modified charcoal, chitosan, glycerol and cyclodextrin grafted starch; the biological layer is prepared from magnetic Fe3O4 and humic acid nanoparticles, alginic acid oligosaccharide and diatomite; the protective layer comprises a polylactic acid-polycaprolactone block copolymer, acetone, calcium lignosulphonate, a dynamic covalent cross-linking agent gelatin, nano cellulose and an anti-blocking agent. Therefore, by adopting the polylactic acid-polycaprolactone (PLA-PCL)-based segmented copolymer and the dynamic covalent network cross-linking agent, the self-repairing property is endowed. The slow-release fertilizer provided by the invention realizes precise regulation and control of the fertilizer efficiency release rate through a multi-level synergistic effect, has the functions of soil remediation and stress resistance, and significantly improves the utilization efficiency of the fertilizer and the crop adaptability.

The disclosed device can receive a biosignal and, using user input predictions based on the biosignal, pre-render a display frame. The device can also subsequently receive a user input, output the pre-rendered display frame based on the user input confirming the user input predictions and flush the pre-rendered display frame otherwise. The device can also modulate computing performance and power based on computing demands predicted from the biosignal. Various other methods, systems, and computer-readable media are also disclosed.

The invention relates to a livestock health early warning and intelligent driving mechanical auxiliary system based on bio-electricity signal monitoring, and belongs to the technical field of animal husbandry intelligent management. Aiming at the problems of single parameter, strong driving irritability and low efficiency of a traditional monitoring method, the system is used for generating a health score in real time by adopting a CNN-LSTM hybrid model through data fusion of a bio-electricity signal acquisition module (electrocardio, myoelectricity and respiratory frequency) and an environment sensor, and driving an intelligent driving machine in combination with a deep reinforcement learning algorithm, so that the driving effect is improved. The abnormal livestock is guided to be isolated in a non-intrusive mode through ultrasonic directional wave beams and low-intensity laser. The monitoring accuracy is larger than or equal to 95%, the driving efficiency is improved by 60%, all-weather stable operation (availability is larger than or equal to 98%) is achieved, the epidemic disease risk and animal stress are effectively reduced, and an efficient intelligent solution is provided for large-scale breeding.

The invention relates to the technical field of 3D printing, and discloses an environment-friendly packaging box rapid forming method and system based on biodegradable materials, and the method comprises the steps that a thermal-structure coupling finite element model is established; based on the thermal-structural coupling model, a multi-objective optimization model is constructed, and structural design parameters and initial printing path configuration are obtained; training a printing control strategy by utilizing a strategy optimization algorithm; according to the structural design parameters, the printing path configuration and the printing control strategy, a layer-by-layer printing path and a supporting structure configuration scheme matched with the printing object are generated; and the 3D printing process is executed, and closed-loop adjustment is conducted according to the control strategy. According to the method, the thermal-structural coupling finite element model based on the biodegradable material is constructed, and changes of a temperature field, a stress field and a thermal strain field in the printing process are accurately simulated, so that a printing path and supporting structure configuration are optimized, the printing precision is improved, structural instability caused by thermal deformation and interlayer stress is avoided, and the strength and stability of an object are ensured.

The invention relates to the technical field of soilless culture substrates, in particular to a soilless culture substrate based on biochar and mushroom dreg resource utilization and a preparation method and application of the soilless culture substrate. The soilless culture substrate comprises the following raw materials in parts by mass: 30-50 parts of mushroom dregs, 20-30 parts of charcoal, 10-15 parts of vermiculite, 8-12 parts of perlite, 5-10 parts of humic acid and 2-5 parts of trace elements. The soilless culture substrate can effectively utilize biochar and mushroom dreg resources, provides a good physical environment and sufficient nutrient supply for plant growth, improves the stress resistance and yield quality of plants, reduces dependence on traditional non-renewable substrate resources, and reduces the pressure of agricultural wastes on the environment.

The invention relates to a high and steep rock slope ecological restoration structure based on a biological solidification technology. The high and steep rock slope ecological restoration structure comprises a rock slope body, anchor rods, a metal net, a square solid containing cavity, a biological solidification coarse-grained soil layer, a vegetation base layer and an n-shaped component. The metal net is flatly laid on the surface of the rock slope body and is fixed on the surface of the rock slope body through a plurality of anchor rods; the plurality of anchor rods are transversely arranged in rows and longitudinally arranged in columns along the rock slope body, and are driven into a stable rock stratum of the rock slope body; the square solid containing cavity is fixedly connected with a rock slope body through an n-shaped component embedded into the rock body. The biological curing coarse-grained soil layer is formed by curing coarse-grained soil which is laid in the square solid containing cavity and contains biological slurry by spraying bean enzyme treatment liquid; the vegetation base layer is sprayed and seeded on the upper surface of the biological curing coarse-grained soil layer. The ecological restoration structure for the high and steep rock slope is good in strength and integrity, convenient and efficient to construct, good in ecological restoration effect and high in ecological stability and continuity.

In one aspect, a biochar-based water purification system includes a first cover configured to receive a liquid source. A housing element is configured to house a plurality of the interior elements. A plurality of interior elements includes one or more filtration elements that include at least one biochar-based water purification system. A second cover is configured to release a filtered liquid.

The invention belongs to the technical field of wastewater treatment and recycling, and relates to a low-pressure ultrafiltration sewage treatment method and device based on bioelectrochemical enhancement and application. The treatment device consists of a water inlet tank, a constant water level water tank, a cathode, a resistor, a membrane assembly, a biological filter cake layer, a pre-filtering layer-anode, an ultrafiltration membrane, a water collecting device, a data acquisition module and a computer. The treatment device is used for treating effluent of a secondary sedimentation tank of a sewage plant and tail water of livestock and poultry breeding wastewater; on the basis of retaining nitrogen and phosphorus resources, deep removal of heavy metals and antibiotics is realized, propagation of resistance genes is inhibited, and safe reuse of nitrogen and phosphorus resources in effluent of sewage plants and tail water of livestock and poultry breeding wastewater can be realized. In the invention, low-pressure ultrafiltration adopts transmembrane pressure difference generated by gravitational potential energy to realize continuous flow filtration, coupled bioelectrochemistry utilizes electric energy generated by biodegradation of organic matters to realize reduction of heavy metals and deep removal of reinforced antibiotics, and the method has the advantages of greenness, low carbon and sustainability.

A construct includes a biocompatible polymer-based shape morphing hydrogel or cell condensate that is configured to undergo multiple, reversible, and / or controllable different shape transformations over time via either pre-programmed design or user-controlled environmental condition alterations, wherein the hydrogel is cytocompatible and, upon degradation, produces substantially non-toxic products.

The invention provides a bio-based bi-component polyurethane transparent flame-retardant pouring sealant and a preparation method and application thereof, the bio-based bi-component polyurethane transparent flame-retardant pouring sealant comprises a component A and a component B. The component A comprises the following components by weight: 20-50 parts of bio-based polyol; 30 to 50 parts of a bio-based auxiliary agent; 4 to 12 parts of other auxiliary agents; the component B is prepared from the following component in parts by weight: 10 to 20 parts of isocyanate. According to the invention, by adding the bio-based polyol and the bio-based auxiliary agent in a specific amount and matching the bio-based polyol and the bio-based auxiliary agent in a specific amount with the isocyanate in a specific amount, the prepared pouring sealant has a better flame-retardant effect, the safety of the polyurethane transparent pouring sealant is improved, and the pouring sealant can meet some application scenarios requiring high safety.

The invention discloses hydrogen slow-release particles based on biochar-magnesium hydride and a preparation method of the hydrogen slow-release particles. The hydrogen slow-release particles are formed by mixing magnesium hydride with the purity larger than 99%, biochar and an adhesive. The high-purity magnesium hydride finished product is adopted, the environment heavy metal pollution repairing function of the biochar is utilized, the hydrogen release time in magnesium hydride is prolonged, crop growth and environment pollution repairing are promoted through controllable slow-release hydrogen, and crop growth is promoted.

A method for valorizing refuse material comprises a selective pyrolysis, based on: a first step of pyrolysis of the biogenic fraction, with at least one subsequent condensation step, and a second step of pyrolysis of the synthetic fraction with at least one subsequent condensation step; wherein the first and second pyrolysis steps are configured in series; wherein the first pyrolysis step is configured to extract at least a fraction of biogenic combustible gas which continues to the first condensation step, and a fraction of solid material that is transported to the second step of pyrolysis of the synthetic fraction, which is carried out at a higher temperature than the first pyrolysis step, and which is configured to obtain a fraction of synthetic combustible gas which continues to the second condensation step, and a fraction of solid material.

A composition of which the main surfactant content is mainly bio based shows a high cleaning capability in the cleaning of textiles or fabrics. Biosurfactants and fatty acid salts further support the cleaning capability for cleaning of fatty stains. A method for cleaning a surface of an article includes combining the composition and the article with water, maintaining a temperature of the water of from 15° C. to 100° C., over a period of from 15 minutes to 240 minutes, while tentatively moving the article in the water, separating the article from the water, and optionally rinsing the article with further water.

The invention discloses a black land plough layer soil construction method based on a bio-organic fertilizer, and aims to solve the problems of black land soil degradation and fertility decline. The functional bio-organic fertilizer containing nitrogen-fixing bacteria, phosphate solubilizing bacteria and potassium solubilizing bacteria is prepared, and scientific and accurate fertilization is realized by combining soil physicochemical property determination and mathematical model optimization. The method specifically comprises the following steps: measuring the nutrient content and pH value of soil and fertilizer, constructing a mathematical model to obtain optimized application parameters, and continuously improving the soil fertility and productivity by dynamically adjusting the fertilizer application amount and evaluating the soil fertility, thereby reducing the dependence on chemical fertilizer, improving the soil structure and improving the crop yield. The method has the characteristics of environmental friendliness, accuracy, high efficiency and high sustainability.

The invention relates to the technical field of digital twinborn and agricultural information, and discloses a digital twinborn growth simulation and optimization method for safflower seedling breeding, and the method comprises the following steps: constructing individual digital twinborn bodies fusing genotypes, phenotypes and multi-dimensional environmental perception data; performing hybrid modeling in combination with the mechanism model and a depth time sequence neural network, and correcting growth prediction deviation in real time; and based on multi-objective optimization of biomass, medicinal component content and water efficiency, generating a precise cultivation regulation and control instruction. The system comprises a data acquisition unit, a twin construction unit, an environment fusion unit, a hybrid modeling unit, a visualization unit, an optimization decision unit and an instruction execution unit. According to the method, through closed-loop intelligent regulation and control, the yield, quality and resource utilization efficiency of safflower seedling breeding are remarkably improved.

The invention discloses a jacquard vamp material based on bio-based degradable polylactic acid (PLA) and a preparation method thereof, and relates to the technical field of shoe materials. The jacquard vamp material is of a three-layer jacquard structure formed by integrally weaving PLA composite filaments through a jacquard warp knitting machine. The PLA composite filament is prepared from the following raw materials in parts by weight: 80-95 parts of polylactic acid (PLA) slices, 5-15 parts of poly (butylene adipate / terephthalate) (PBAT), 3-8 parts of a flexibilizer, 1-3 parts of a compatilizer, 0.5-2 parts of an anti-hydrolysis agent and 0.5-1.5 parts of a lubricant. According to the invention, the bio-based PLA is used as a main raw material and is matched with degradable auxiliaries such as PBAT, so that the whole vamp material can be completely biodegraded under a composting condition, the problem of environmental pollution of a traditional vamp is fundamentally solved, and meanwhile, through blending modification of PBAT and the flexibilizer, the flexibility and impact resistance of the PLA material are remarkably improved, and the vamp material has good application prospects. The requirements of the vamp material on softness, wear resistance and durability can be met.

The invention relates to the technical field of computer systems based on specific calculation models, in particular to a banana production deduction method and system, and the method comprises the steps: obtaining a biological data set of bananas in a target region; obtaining final soil nutrient data based on the biological data set; based on the final soil nutrient data, obtaining soil fertility comprehensive evaluation parameters; constructing a biomass model based on the biological data set; constructing a yield prediction model based on the soil fertility comprehensive evaluation parameters; based on the final soil nutrient data, obtaining soil fertility obstruction factor data and fertilization recommendation data; and based on the soil fertility obstruction factor data and the fertilization recommendation data, obtaining a banana planting production deduction scheme in the target area. The problem that in the prior art, banana production cannot be reasonably deduced to achieve reasonable management of banana production is solved.

The invention relates to the technical field of biosensor detection, in particular to a food grease safety detection device based on a biosensor. The detection device comprises a biosensor and an electron microscope, and further comprises a built-in sampling device, and the sampling device comprises a sampling tank, a mounting column, a feeding pipe, a pressurizing assembly and a cleaning assembly; a spiral heat supply pipe is arranged in the side wall of the mounting column, and a discharge pipe is vertically arranged at the bottom; the sampling tank is composed of an upper tank and a lower tank which are in threaded connection, a first filtering disc is mounted in the upper tank, a second filtering disc is mounted in the lower tank, a mounting disc is arranged between the upper tank and the lower tank, a first-stage pressurizing space is formed between the first filtering disc and the upper tank, and a second-stage pressurizing space is formed between the center frame and the second filtering disc; a water level detection mechanism is arranged beside the second filter disc; the outer side of the feeding pipe is sleeved with a heat supply sleeve. Efficient layering, precise temperature control and intelligent cleaning of the grease food are achieved, the detection sensitivity is improved, the maintenance cost is reduced, and the device is suitable for multi-scene rapid detection requirements.

To provide a bio-based composite material with excellent mechanical properties and high environmental performance.SOLUTION: A bio-based composite material comprises: 45 to 75 pts.wt. of polypropylene; and 25 to 55 pts.wt. of biomass material, wherein the biomass material is any one of or a combination of two or three of a plasticized starch, a modified biogenic calcium, and a modified cellulose. The bio-based composite material further comprises: 1 to 3 pts.wt. of a linear low-density polyethylene as a modifier; 3 to 5 pts.wt. of an ethylene-vinyl acetate copolymer as a modifier; 2 to 3 pts.wt. of a monoglyceride as a surfactant; 2 to 3 pts.wt. of a polyethylene wax as a modifier; 2 to 3 pts.wt. of a silane coupling agent as a modifier; 0.1 to 0.2 pts.wt. of an antioxidant; and 0 to 3 pts.wt. of a polypropylene graft maleic anhydride as a modifier.SELECTED DRAWING: Figure 1

The invention discloses a hematite microtube catalyst based on a biological template as well as a preparation method and application of the hematite microtube catalyst, and belongs to the technical field of lithium-sulfur batteries. The preparation method of the hematite microtube catalyst based on the biological template comprises the following steps: transferring mycorrhiza to an iron-source-containing organic solid culture medium for cultivation, then selecting single colonies, transferring the single colonies to an iron-source-containing organic liquid culture medium, and carrying out standing culture to obtain a catalyst precursor; and sequentially carrying out reduced pressure suction filtration and freeze drying on the catalyst precursor, and annealing in an oxidizing atmosphere to obtain the hematite microtube catalyst based on the biological template. The invention further discloses the hematite microtube catalyst based on the biological template and application of the hematite microtube catalyst. The hematite microtube catalyst based on the biological template can solve the problems of capacity fading and poor cycling stability caused by polysulfide shuttle effect, low conductivity and volume expansion of the existing lithium-sulfur battery positive electrode material, and has great application potential.

The application discloses a biomass collection, storage and transportation site optimization method, and belongs to the technical field of biomass energy utilization and space optimization. The method comprises the following steps: acquiring biomass site data and trunk road information of a preset area, constructing a biomass distribution matrix of the preset area by means of geographical coordinates and density of the biomass site, setting weights of corresponding sites based on biomass density, clustering and reducing dimensions of the distribution matrix by means of the weights, and outputting a preset number of candidate site sets of biomass collection and storage stations; generating an address combination containing a preset number of optimal biomass collection and storage stations based on the candidate site sets of the biomass collection and storage stations; generating a candidate site set containing a preset number of biomass power plants along a line by means of the trunk road information; generating an address combination containing a preset number of optimal biomass power plants based on the candidate site set of the biomass power plants; and the method can accurately and economically determine an optimal address combination of biomass collection, storage and transportation in the preset area.

The invention belongs to the technical field of biomass fuel oil, and particularly relates to a biomass-based liquid fuel oil preparation method which comprises the following steps: mechanical pulverization, enzymolysis reaction, catalytic pyrolysis, hydrogenation upgrading, solid-liquid separation and distillation refining. Crop straw is used as a raw material and is mixed with a compound enzyme preparation, so that macromolecules such as cellulose are degraded into micromolecular saccharides; carrying out catalytic pyrolysis, and converting the product into pyrolytic oil by accurately controlling the reaction conditions under the action of a catalyst; in the preparation process, the catalyst can reduce the pyrolysis temperature, inhibit the generation of nitrogen oxides and improve the oxidation resistance stability of the fuel oil, the compound enzyme preparation is mild in reaction and low in energy consumption, and all the steps synergistically optimize the physicochemical properties of the fuel oil, so that the prepared biomass-based liquid fuel oil has a high calorific value and high combustion efficiency.

The invention relates to the field of underground water in-situ remediation, and discloses an underground water circulation well primary battery remediation device and method based on a biochar electrode, and the device comprises a circulation well body which comprises a first screen section and a second screen section; the water pumping and injecting part is used for pumping the polluted underground water into the second screen section from the first screen section and recharging the polluted underground water into the aquifer from the second screen section after treatment to form an underground water circulating flow field; the primary battery assembly comprises a liquid storage part, a cathode assembly, an anode assembly and a proton exchange membrane, is arranged on the second screen section and is used for degrading pollutants in underground water. An oxidizing agent is injected into the liquid storage part and reacts with underground water pollutants collected in the second screen section, electrons are transmitted through the cathode assembly and the anode assembly, the oxidizing agent is prevented from making direct contact with the pollutants, and pollutant degradation and removal are achieved; in the whole process, the generation of high-toxicity intermediate products and the toxic action on primary microorganisms can be reduced, so that the secondary pollution risk of the underground water environment is reduced, and the purpose of green low-carbon remediation is achieved.

A metrological device (10) configured to generate at least one energetic / electrochemical parameter from measurement data based on bioelectrochemical processes, comprising at least one metrological microbial electrochemical technology unit (11) with a cathodic region (11.1) sealed off from the fluid to be examined, and comprising a logic unit (16) with at least one microcontroller (16.1) configured to process measurement data collected over an evaluation period, wherein the metrological device (10) is configured to correlate at least one measured value with at least one process parameter (P SB ) based on the processed measurement data, in particular with a process parameter (P SB) for the chemical / biological oxygen demand (COD / BOD) and / or for a carbon consumption rate and / or for substance fractions of volatile fatty acids; characterized in that the measuring device (10) has at least one active ceramic (12.2) arranged between the cathodic region (11.1) and the fluid to be examined as a component of the metrological microbial electrochemical technology unit (11), which separates the cathodic region (11.1) from the fluid to be examined, wherein the measuring device (10) is configured by means of the at least one ceramic (12.2) to generate the at least one energetic / electrochemical parameter from measurement data collected over an evaluation period of at least 30 days, in particular measurement data from cell-internal resistance components and / or voltage, capacitance, current, power, and / or electrical charge measurement data.

The invention discloses a greenhouse closed-loop energy-saving heat supply system based on biological waste fermentation, and relates to the crossing field of agricultural intelligent planting and waste resource utilization, the system comprises the following components: a fermentation unit, a biogas collection and utilization module, a waste heat and fertilizer recovery module and an intelligent management and control system; biogas is generated through fermentation of biological waste, heat generated by combustion of the biogas is used for supplying heat to a greenhouse and a living room, meanwhile, waste heat generated in the fermentation process is recycled for auxiliary heat supply, and the energy utilization efficiency is remarkably improved; according to the invention, residues after fermentation can be converted into a decomposed organic fertilizer for greenhouse crops to use, so that cyclic utilization of resources is realized, the use amount of chemical fertilizer is reduced, the production cost is reduced, and meanwhile, environmental protection is facilitated.

Provided is a method and system for comprehensive water quality assessment by integrating biotic and abiotic factors. The method includes: acquiring abiotic factors of a water body to be tested; constructing a biotic factor indicator library by an environmental DNA technology; determining a biotic-abiotic response relationship-based abiotic factor weight matrix using the abiotic factors and the biotic factor indicator library; acquiring a machine learning-based abiotic factor weight matrix using the abiotic factors and a LightGBM model; determining an abiotic factor comprehensive weight matrix according to the biotic-abiotic response relationship-based abiotic factor weight matrix and the machine learning-based abiotic factor weight matrix; and conducting the comprehensive water quality assessment of the water body to be tested based on the abiotic factor comprehensive weight matrix and the abiotic factors to determine a comprehensive water quality assessment result of the water body to be tested.

The present invention relates to a fixed bed electrochemical reactor comprising at least a first volume electrode, preferably based on biobased carbon, and a separator configured to separate the first volume electrode from a second surface or volume electrode and to ensure compression at least on said first volume electrode, to the use thereof in various applications such as removing pollutants from a liquid medium comprising at least one organic pollutant, disinfecting water by electrochlorination, water electrolysis, seawater desalination, energy storage (e.g. as redox flow battery or supercapacitor), or the generation of electric power from osmotic power, and to a method for removing pollutants from a liquid medium comprising at least one organic pollutant used in said reactor.

The invention discloses a biogas carbon sequestration hydrogen production simulation device based on biochar catalytic action and a test method. The biogas carbon sequestration hydrogen production simulation device comprises a gas preparation and conveying system, a reaction and temperature control system and a product treatment and analysis system which are connected in sequence, the gas preparation and conveying system comprises a CH4 gas cylinder, a first flow regulator and a mixed gas tank which are sequentially connected through a guide pipe, and a CO2 gas cylinder and a second flow regulator which are sequentially connected through a guide pipe and are connected with the mixed gas tank. According to the biogas carbon sequestration hydrogen production simulation device based on the biochar catalytic action and the test method, the biogas is converted into H2 and the carbon nanomaterial by utilizing a biogas chemical vapor deposition process, the H2 can be stored as clean energy, and the carbon nanomaterial is widely applied in multiple fields due to unique physical, chemical and mechanical energy, so that the biochar catalytic action-based biogas carbon sequestration hydrogen production simulation device can be widely applied to various fields. The problem of high emission of CO2 in the traditional anaerobic digestion and biogas treatment process is solved, meanwhile, carbon recycling is achieved, and high economic value is shown.

A process for the manufacture of one or more ethylene-derived chemical(s) having a bio- based carbon content comprises the steps of (a) providing a first ethylene stream by (a-i) providing a cracker feed stream containing bio-naphtha and fossil-based hydrocarbons, (a-ii) subjecting the cracker feed to steam cracking to obtain a cracker effluent, (a-iii) recovering from the cracker effluent the first ethylene stream; (b) providing a second ethylene stream having a bio-based carbon content; (c) combining the first ethylene stream and the second ethylene stream to obtain a combined ethylene stream; (d) converting the combined ethylene stream to at least a first generation ethylene-derived chemical selected from (α) ethylene oxide, (β) ethylbenzene, (y) ethylene dichloride; and (δ) propionaldehyde; and (e) optionally subjecting the first generation ethylene-derived chemical to a chemical conversion or a sequence of chemical conversions to obtain a downstream ethylene-derived chemical. The process allows for efficient operation of the steam cracker while allowing for the production of ethylene-derived chemicals with a predetermined bio-based carbon content.