96results about How to "No pollution in the process" patented technology

The invention discloses a production method of distiller's grain fermentation liquid fertilizer specially applied to roxburgh rose. The distiller's grain fermentation liquid fertilizer is prepared bythe step of evenly mixing 50 to 80 parts of distiller's grain fermentation extracting solution, 0.5 to 1 part of microelement, 5 to 10 parts of seaweed meal, 5 to 10 parts of natural active organism,2 to 5 parts of potassium bicarbonate, 2 to 5 parts of natural active organism and 2 to 5 parts of natural surface active agent. A preparation method of the distiller's grain fermentation extracting solution comprises the steps: evenly stirring 50 to 80 parts of distiller's grain, 50 to 150 parts of rice washing water, 1 to 2 parts of EM microflora fermentation liquid and 0.5 to 1 part of sugar, performing composting fermentation at the room temperature to obtain a distiller's grain fermentation material, stirring and extracting through a sodium carbonate water solution, filtering and performing evaporation and condensation on obtained filtrate until the density is 1.1 to 1.2 to obtain distiller's grain fermentation extracting solution. The distiller's grain fermentation liquid fertilizerdisclosed by the invention has a good use effect, meanwhile can effectively prevent pest and disease damage to the roxburgh rose and is high-efficiency environment-friendly liquid fertilizer.

This invention discloses a downconversion fluorescence thermometry method based on bilinear mode, implemented using a hardware system. The hardware system includes a 280nm light-emitting diode, two convex lenses, and a Tb... 3+ :Cs2Na 0.9 Ag 0.1 The system comprises InCl6 temperature-sensing material, a grating spectrometer, an oscilloscope, a signal generator, a computer, and a thermostat. The specific implementation steps are: signal excitation and acquisition; temperature calibration; actual temperature measurement; and high measurement accuracy: VPR mode linear correlation coefficient R² ≥ 0.998, FL mode linear correlation coefficient R² ≥ 0.992, avoiding measurement errors introduced by the exponential bias or correction term of traditional FIR technology, thus fundamentally improving temperature measurement accuracy.

The utility model relates to a kind of LED candle lamp based on metal fuel cell, it is characterized by: including LED electronic movement, electric core fixed shell piece, electric core module and cathode module;In the utility model, cathode metal is installed from top to bottom, and cathode metal is placed at the top cover of electric core module by cathode fixing piece directly;The installation mode of this cathode metal is convenient to replace;And by using metal fuel cell applied on LED candle lamp, it can replace existing dry battery, lithium battery, increase the use time of product, and have the advantages of environmental protection and no pollution.

The utility model discloses a dynamic muscle nature's neck rehabilitation training brace relates to medical rehabilitation instrument technical field, and the utility model discloses a cape, and the both sides of cape outer surface and the both sides of back are all provided with servo motor and take off and put on the roll, and four servo motor output all are connected with worm, and four take off and put on the back of roll all are connected with worm wheel, and the top of cape is connected with head hoop through a plurality of ball head seat. The utility model discloses the setting of servo motor, worm, worm wheel, take off and put on the roll and first pull rope, and four servo motor outputs are driven four take off and put on the roll rotation respectively through four worms and four worm wheel meshing, thereby being convenient for to take off or put out to first pull rope, second pull rope, third pull rope and fourth pull rope, when first pull rope and second pull rope take off and third pull rope and fourth pull rope put out, make the head of patient to the right side of self inclination, do not need medical staff or family member manual traction patient head and make neck movement, and the operation is time -saving and labor -saving.

The utility model discloses a kind of packing machine material door device of preventing spouting, including the material door clamping plate and driving mechanism being located in the left and right sides of discharge port;Two material door clamping plates are respectively provided with material blocking structure outside front and back ends, material blocking structure includes left and right misaligned lamination material blocking blade, two material blocking blades are rotatably installed on bracket, and also connected with driving mechanism, driving mechanism drives material door clamping plate and material blocking blade synchronous swing, two material door clamping plates open, when swing clamping bag piece is supported on fixed clamping bag piece, two material blocking blades open and shield outside two material door clamping plates.This application is structural improvement on the basis of original material door clamping plate structure, under the premise of not changing original material door clamping plate, by additionally providing material blocking structure at the front end and rear end of material door clamping plate, to shield the hollow area of the front end and rear end of material door clamping plate, as far as possible guarantee the closedness of material discharge port, reduce the possibility of material spouting after falling, reduce material splashing, guarantee that packing machine discharging environment is pollution-free.

This invention belongs to the field of traditional Chinese medicine fermentation technology, specifically involving a high-enzyme-active Liu Shen Qu (a type of fermented medicinal herb) and its fermentation process. The process first processes red beans, bitter almonds, artemisia annua, cocklebur, and polygonum hydropiper into a medicinal porridge, which is then mixed with wheat flour and a specific fermenting agent to form a soft mass. Its innovation lies in the use of a Bacillus subtilis trehalose protective agent complex and Aspergillus oryzae chitosan microspheres. These two fermenting agents are prepared by spray drying encapsulation and ionogel methods, respectively, significantly improving the survival rate and stability of the fermenting microorganisms during processing and storage. The soft mass undergoes two stages of precisely controlled temperature and humidity fermentation, and finally, after shaping and segmented drying, the finished product is obtained. This process effectively solves the problems of low enzyme activity and poor stability in traditional Liu Shen Qu fermentation, resulting in a Liu Shen Qu product with high digestive enzyme activity and stable, uniform quality.

This invention relates to a method for amplifying the polarization ratio of a photodetector based on a two-dimensional semi-metallic material and a heterostructure, belonging to the field of photodetection technology. Based on a strategy combining a two-dimensional semi-metallic material and a heterostructure, a BP / MoS2 / WTe2 heterojunction is constructed, where BP is the light-absorbing layer, MoS2 is the barrier layer, and WTe2 is the contact layer. This invention not only achieves selective carrier transport and reduces dark current, but also allows WTe2 to reduce contact resistance and provide a fast carrier extraction channel, realizing asymmetric amplification of the photocurrent, thereby achieving active amplification of the polarization ratio even at zero bias. This invention breaks the limitation of the inherent anisotropy of materials on the magnitude of the polarization ratio, and uses a completely dry transfer process to fabricate polarization detection photodetectors, eliminating the need for additional polarization elements and chemical solution treatment. It boasts advantages such as simple process, low cost, high repeatability, and no pollution.

The present inventive concept provides a substrate processing method and a substrate processing apparatus. The substrate processing method includes a temperature stabilization step for stabilizing a temperature of a substrate to a process temperature in a processing space for processing the substrate, a pressure stabilization step for stabilizing a pressure of a plasma space in which plasma is generated and a pressure of the processing space to a process pressure, the plasma space being in fluid communication with the processing space, and a processing step for generating plasma in the plasma space and processing the substrate using the plasma.

The application belongs to the technical field of preparation of electrocatalytic hydrogen evolution catalysts, and discloses a preparation method of an electrocatalytic hydrogen evolution catalyst Pt / GaN. First, gallium nitride nanoparticles are loaded on the surface of an electrode, and then, through cyclic voltammetry, platinum is uniformly electrodeposited on the surface of the gallium nitride from an electrolyte containing chloroplatinic acid to prepare the catalyst Pt / GaN. The mass percentage of Pt in the catalyst is only 2.2-5.4%, which greatly improves the catalytic activity of the catalyst while reducing the Pt loading. From the entire preparation process, the application breaks through the limitation that the traditional platinum loading method cannot accurately control the particle size growth. The particle size of Pt in the catalyst is between 2-5 nm. On the other hand, the method has the advantages of easy availability of raw materials and environmental protection without pollution.

This invention belongs to the field of microbial fermentation and daily chemical technology, and discloses a polyketide alkaloid compound derived from mangrove fungi, its preparation method, and its application in antibacterial textiles. This invention utilizes the mangrove fungal strain *Aspergillus* (… Aspergillus The mycelium obtained by expanding the culture of sp. GZ12A was extracted with methanol, and the aforementioned polyketide alkaloids were obtained by separating and extracting the extract. This preparation method has a short production cycle, low cost, no environmental pollution, and is easy to mass-produce. The obtained polyketide alkaloids have excellent antibacterial properties, and their application in textiles can produce textiles that meet the requirements for antibacterial textiles.

The application belongs to the technical field of bio-based packaging materials, and particularly relates to a novel double-layer composite film and application thereof. The novel double-layer composite film comprises the following steps: reacting palmitic anhydride and carboxymethyl cellulose to obtain carboxymethyl cellulose palmitate; adding a pH-sensitive natural dye indicator to obtain carboxymethyl cellulose palmitate nanoemulsion containing a pH-sensitive substance; then loading a natural polymer material to prepare a film material; finally adding the film material to the carboxymethyl cellulose palmitate to prepare a composite film, thereby obtaining the novel double-layer composite film. The double-layer composite film can be self-emulsified without adding a surfactant, and has the ability to load functional indicator (pH-sensitive color indicator) substances; meanwhile, the barrier performance of the film material, such as a chitosan film, to water vapor and oxygen is improved, and the double-layer composite film has a very promising application in food or fruit preservation. The method provided by the application is not only green in raw materials, but also uses a flow casting method, which can be applied to industrial production and has a good application prospect.

This application discloses the use of probiotics and their vesicles in the prevention or treatment of inflammatory bowel disease. The probiotic vesicles are *Ackermania myxophilus* artificial vesicles (AADV). The *Ackermania myxophilus* artificial vesicles prepared by this invention not only have better therapeutic effects but also good biocompatibility. Furthermore, the preparation process of the *Ackermania myxophilus* artificial vesicles prepared by this invention is simple and efficient, and easy to mass-produce. Therefore, it has good clinical application prospects in the treatment of inflammatory bowel disease.

The utility model relates to a rotor refrigerating plant of vacuum centrifuge, including mounting seat, semiconductor refrigeration subassembly and fluid passage, semiconductor refrigeration subassembly is used to form refrigeration end and heat -generating end, the heat -generating end is pasted with mounting seat, the refrigeration end is used to radiate refrigeration to rotor, the mounting seat is used to bear semiconductor refrigeration subassembly and conduction heat, fluid passage sets up in mounting seat, fluid passage is used to flow circulation refrigerant and take away the heat of mounting seat, the utility model discloses a clever combination of the refrigeration of semiconductor refrigeration subassembly and fluid passage circulation refrigerant heat dissipation, forms stable temperature difference in vacuum environment, utilizes heat radiation and exchanges heat to give rotor cooling, has solved the rotor refrigeration heat dissipation problem of vacuum centrifuge.

The utility model relates to the polycrystal silicon production technical field especially, and it is a kind of novel silicon core structure, silicon core subassembly and reduction furnace structure, the silicon core adopts whole tapering structure or ladder type structure;The whole tapering structure specifically refers to: from the top to bottom of silicon core, the cross section size of silicon core continuously decreases along the axial direction;The ladder type structure specifically refers to: from the top to bottom of silicon core, the silicon core includes first silicon core section and second silicon core section connected in turn, and the cross section size of first silicon core section is greater than the cross section size of second silicon core section. Through the novel silicon core structure, silicon core subassembly and reduction furnace structure, can effectively avoid the abnormality such as molten silicon, black inclusion of silicon core in the growth process.

This invention relates to the field of material fatigue testing technology, and more particularly to a high-temperature rotary bending fatigue testing device capable of simulating different salt spray environments. Addressing the problem of existing equipment providing only a single environmental simulation, the high-temperature rotary bending fatigue testing device proposed in this invention includes an environmental cabinet with a shock-absorbing wooden block at the top; it also includes an environmental simulation mechanism, a salt spray supply and control mechanism, and a rotary bending loading mechanism. The environmental simulation mechanism is located on top of the shock-absorbing wooden block; the salt spray supply and control mechanism is located inside the environmental cabinet and communicates with the interior of the environmental simulation mechanism, used to control the concentration and flow rate of the salt spray supplied to the environmental simulation mechanism; the rotary bending loading mechanism is located on top of the shock-absorbing wooden block and coaxially connected to the environmental simulation mechanism, used for rotary bending of the test specimen. The high-temperature rotary bending fatigue testing device of this invention can closely simulate real service environments.

This invention discloses a method for preparing a boron-doped self-supporting three-dimensional non-metallic carbon-based catalytic electrode and its application in electrocatalytic nitrogen reduction. Using starch, boric acid, and sodium carboxymethyl cellulose as raw materials, the boron-doped self-supporting three-dimensional non-metallic carbon-based catalytic electrode is obtained through freeze-drying and carbonization, or freeze-drying, pre-carbonization, and carbonization. This electrode can be used as a catalytic cathode for the electrochemical reduction of nitrogen. The product exhibits rich morphology and porosity. Boron doping intensifies the hybridization of the electronic structure and increases defects. This change effectively regulates nitrogen adsorption to promote the entire electrochemical reduction of nitrogen, resulting in an ammonia yield of 10 μg·h⁻¹. ‑1 ·mg ‑1 The invention eliminates the need for complex steps such as Nafion and carbon cloth treatment, making it convenient, efficient, and low-cost. The boron-doped self-supporting three-dimensional non-metallic carbon-based catalytic electrode produced is virtually pollution-free when discarded and easy to recycle.

This invention discloses an infrared camouflage composite yarn, its preparation method, and its application. The preparation process involves first preparing a preform, then dispersing aluminum powder and tin-doped indium oxide powder on a softened film to form an infrared-resistant film. The infrared-resistant film is then coated onto the preform using a layered structure design to prepare a composite preform. Combined with heat treatment, the yarn is then hot-stretched to obtain the improved infrared camouflage composite yarn. The infrared camouflage composite yarn prepared by this invention not only possesses excellent infrared camouflage capability and durability, but the addition of functional particles does not significantly affect the yarn's mechanical properties, such as breaking strength. The functional particles maintain uniform dispersion, improving the uniformity of infrared camouflage performance. This method is suitable for preparing infrared camouflage products, such as military jackets, tents, and backpacks.

This invention provides a fully automated immunoassay analyzer, comprising: a base, a reaction disk for carrying multiple immunochromatographic test strips installed inside the base, a sample processing area for processing samples installed on the base, and a moving arm assembly movably installed on the base for driving a pipette arm to perform liquid pipetting, mixing, and spotting operations in the sample processing area. Compared with the prior art, this invention has the following advantages: by setting up the moving arm assembly, in conjunction with the pipette arm and negative pressure nozzle, its automated operation can simultaneously perform multiple sample single detection, single sample multiple detection, or multiple sample multiple detection, with high throughput, making up for the insufficient throughput of existing manual experiments. Automated sample pretreatment and automatic recycling of waste after experiments avoid manual errors and are convenient and pollution-free.

This invention provides a hybrid energy system based on tower solar power generation and proton exchange membrane fuel cell combined power generation, along with waste heat multi-effect distillation for saline-alkali water desalination, belonging to the field of hybrid power generation technology. The system includes: a tower solar power generation module, a proton exchange membrane fuel cell module, a power management module, and a waste heat-utilizing saline-alkali water desalination module. This invention combines tower solar power generation and proton exchange membrane fuel cell for power generation, efficiently recovering low-grade heat from the proton exchange membrane fuel cell power generation process for saline-alkali water preheating and efficiently recovering high-temperature steam heat generated during the tower solar power generation process for saline-alkali water desalination. This promotes the upgrading of solar power plants in areas with abundant solar resources but predominantly saline-alkali groundwater, as well as on outlying islands, and also meets the local freshwater supply needs for production and daily life, avoiding resource waste while further improving power generation efficiency, making it more energy-efficient and environmentally friendly.

This invention discloses the use of an insecticidal protein, specifically a method and its application for controlling lepidopteran pests. The method includes contacting the lepidopteran pests with the insecticidal protein, or introducing a nucleic acid molecule encoding the insecticidal protein into a plant, causing the lepidopteran pests to feed on the plant. The insecticidal protein contains the amino acid sequence shown in SEQ ID NO:2, SEQ ID NO:3, SEQ ID NO:4, SEQ ID NO:5, SEQ ID NO:6, or SEQ ID NO:20. In this invention, the Cry1Da1 proteins BD1-002, BD1-018, BD1-019, BD1-021, BD1-022, and BD1-022S exhibit good insecticidal activity against the soybean pest, the silver-striped armyworm.

This utility model relates to the field of environmental monitoring technology for cleanrooms in the biopharmaceutical industry, and discloses a special petri dish holder for cleanroom dispensing lines. It includes a petri dish rack and a fixed support, with the rack fixedly connected to the support. The fixed support secures and supports the rack. The rack has a monitoring position for placing petri dishes used for settling bacteria monitoring and a temporary storage position for spare petri dishes. This utility model is used in cleanroom dispensing lines, providing a platform for offline settling bacteria and online airborne bacteria monitoring and dish changing operations. It facilitates operation, improves monitoring efficiency and accuracy, and meets the requirements for using RABS gloves during production, avoiding contamination introduced by opening doors and reducing compliance risks.

This invention discloses a method and system for preventing oxidation of recycled copper rods, relating to the field of non-ferrous metal surface protection. The method includes material preparation, pretreatment, preparation of an anti-oxidation solution, dip coating, drying and curing, and packaging. This invention offers excellent anti-oxidation performance: the anti-oxidation film is dense and uniform, effectively isolating oxygen and moisture from contact with the copper surface. Recycled copper rods stored in a natural environment show no significant oxidation after more than 6 months, with an anti-oxidation efficiency ≥98%, far superior to traditional methods. The film exhibits strong adhesion: the silane coupling agent forms a chemical bond with the copper surface, and combined with the curing treatment, the film adhesion is ≥5N / cm, making it difficult to peel off and able to withstand minor friction during storage and transportation.

The present application belongs to the field of building construction technology, and particularly relates to a plugging construction method for holes around a through-wall pipe, comprising the following steps: step one, pretreating a sleeve around the through-wall pipe and pre-fixing the through-wall pipe; step two, assembling a formwork around the through-wall pipe; step three, sealing between the periphery of the formwork and the wall; step four, pouring grout between the formwork and the wall; and step five, removing the formwork after the grout is cured to a suitable strength. Compared with the prior art, the present application sets a formwork around the through-wall pipe, seals between the formwork and the wall, and then pours grout between the formwork and the wall, so that the holes around the through-wall pipe are plugged after the grout is solidified, thereby preventing subsequent leakage of the drain pipe.

The application relates to a zero-carbon seawater desalination and salt extraction system, which comprises a wind-solar dual-energy tower, a membrane seawater desalination system, a solar dual-heat disc evaporator and a wind-solar dual-energy sea salt drying system. The wind-solar dual-energy tower comprises a double-bearing truss type wind power generation system and a photovoltaic power generation system, and the wind power generation system and the photovoltaic power generation system are used for providing electric energy. The double-bearing truss type wind power generation system adopts a wind-variable current load and a spring type strong wind variable resistance system. The wind-solar dual-energy sea salt drying system comprises a sunlight room, a drying cloth curtain and a salt collection and water filtration circulation system, which are used for further drying and crystallizing the heated secondary separation and concentration concentrated salt water to form refined sea salt through drying or air drying. The application can realize seawater desalination and refined sea salt extraction all day long by using clean energy, and the clean energy is used for heating three times, so that the energy utilization efficiency is high. The application has no direct operation cost, small land occupation, high efficiency, low initial investment cost and easy scaling.

This invention belongs to the field of mechanical technology for drilling engineering circulation systems, specifically relating to a device and method for measuring the distribution of cuttings within a wellbore. The invention includes a hose support, a simulated wellbore unit, an inclination adjustment device, a drilling fluid tank, a power circulation mechanism, a stirring motor, and a control terminal. By calibrating the device for measuring the distribution of cuttings within the wellbore, this invention verifies the consistency and repeatability of its channels, ensuring the accuracy of system data acquisition. The device in this invention is a closed system, producing no pollution and no harmful emissions. This invention automatically measures the distribution and movement of cuttings in the annular space under conditions where visible light cannot penetrate, and can simultaneously measure the cuttings removal rate and the impact force of fluid flow on the wellbore. This invention can clearly define the distribution and flow state of cuttings in the annular space, allowing for adjustments to the drilling fluid formulation and performance, improving the efficiency of cuttings removal within the wellbore, and reducing drilling fluid costs.

This invention discloses an environmentally friendly, high-efficiency permeability-reducing composite material for sand and its applications. The environmentally friendly, high-efficiency permeability-reducing composite material comprises xanthan gum, nano-silica, and pectinase, used to improve the strength and reduce the permeability of sand. The invention first mixes sand and soil in equal proportions to obtain clayey sand, then incorporates the environmentally friendly, high-efficiency permeability-reducing composite material to obtain remolded sand. Permeability tests, triaxial shear tests, and microscopic tests on the remolded sand show that after incorporating the environmentally friendly, high-efficiency permeability-reducing composite material, gel material is uniformly distributed on the surface and within the pores of the remolded sand, forming a non-penetrating pore structure within it, reducing the permeability of the remolded sand. Furthermore, long-term curing can improve the strength and ductility of the remolded sand. The environmentally friendly, high-efficiency permeability-reducing composite material provided by this invention is environmentally friendly, efficient, low-cost, and applicable to multiple scenarios, with broad application prospects.

This invention relates to the technical field of fire extinguishing agents, and in particular to a fluorine-free foam fire extinguishing agent and its preparation method. By weight percentage, it comprises the following components: 5-15% natural surfactant, 7-10% hydrocarbon surfactant, 0.5-0.7% stabilizer, 3-8% co-solvent, 10-15% antifreeze agent, and the balance being water. The natural surfactant is Sapindus mukorossi saponin, and the hydrocarbon surfactant is a combination of sodium dodecyl sulfate and cocamidopropyl betaine. The use of Sapindus mukorossi saponin, when combined with the hydrocarbon surfactant, significantly reduces the surface tension of the fire extinguishing agent, improving the spreadability and stability of the foam. By optimizing the ratio of stabilizer and co-solvent, the foam's exudation time and anti-burning time are both extended, superior to commercially available products. All components are free of fluorocarbons, readily biodegradable, and environmentally friendly.

This invention relates to the field of resource recycling technology, specifically disclosing a system and method for extracting and recovering metals from etching waste liquid. The extractant combination of this invention can minimize the loss of etching aids, preserve the original composition of the etching liquid, and allow the etching liquid to be completely reused after reducing copper, molybdenum, and other metal ions. The extractant of this invention has a long effective life cycle of extraction-back-extraction, minimal loss of extractant aids in the extraction-back-extraction cycle, and no emulsification / flocculation of the extract phase during the extraction process. The extraction rate of copper and molybdenum in the etching liquid is high. By using a specific three-phase extractant combination, more than 98% of copper and molybdenum in the waste liquid can be recovered. The copper extraction process has a good retention effect on nitrogen azole etching aids, such as 5-aminotetrazole, thereby forming a closed loop in the extraction-back-extraction cycle of the etching liquid, reducing material input and pollution.

This utility model discloses a double-sided snail trap, comprising: a box body, with at least one snail inlet on each of the lower sides of the box body; and an escape prevention component disposed inside the snail inlet. The escape prevention component includes several levers arranged in a row that can swing around their upper ends. The levers have a first position and a second position. In the first position, the levers block the snail inlets and can rotate unidirectionally inward under the action of an external force from the outside to the inside. When the levers are subjected to an external force from the outside to the inside, they rotate inward to reach the second position and return to the first position when the external force is removed. When the snail trap is installed in the activity area of ​​the golden apple snail, the snails can be lured into the box body. The escape prevention component prevents the golden apple snails inside the box from escaping again, greatly improving the trapping efficiency, without environmental pollution or damage, and with low labor costs.