61results about How to "Protect the safety of the environment" patented technology

The invention provides a pesticide nanocapsule, and a preparation method thereof. The pesticide nanocapsule is prepared from, by weight, 0.1 to 80 parts of a pesticide active component, 0.1 to 40 parts of a capsule wall material, 0.2 to 30 parts of an emulsification dispersant, 10 to 200 parts of an organic solvent, 20 to 350 parts of water, 0.1 to 200 parts of an excipient, and 0 to 20 parts of an assistant agent, wherein the ratio of the pesticide active component to the capsule wall material is controlled to be 0.1:1-10:1. The pesticide nanocapsule is small in particle size, excellent in particle dispersibility and slow release performance; the preparation method is simple; operation is convenient; and the repeatability is high.

The invention provides a preparation method of a pesticide nanocapsule. The method comprises the following steps: emulsifying a component of the pesticide nanocapsule to form primary emulsion, then homogenizing the primary emulsion at high temperature to form fine emulsion, thus preparing the pesticide nanocapsule. The preparation method of the pesticide nanocapsule, which is provided by the invention, is simple, easy to operate and high in repetitiveness; the prepared pesticide nanocapsule has a small particle size, is high in particle dispersity and high in slow release performance.

The invention provides a nano pesticide preparation and a production method of same. The nano pesticide preparation is prepared from, by weight, 0.1-40 parts of a pesticide active component, 0.1-40 parts of a capsule wall material, 0.2-30 parts of an emulsion dispersant, 10-300 parts of an organic solvent, 20-500 parts of water, 0.1-400 parts of an excipient, and 0-20 parts of an additive, wherein the ratio of the pesticide active component to the capsule wall material is 0.1:1-10:1. The nano pesticide preparation has small particle size, good particle dispersibility, excellent sustained release performance and simple production method, is easy to use and has good repeatability.

The chelating state micronutrient fertilizer with the insecticidal function comprises trace elements and chelating agents and also comprises botanical pesticides and dispersion agents; the chelating state micronutrient fertilizer is shaped like powder; chelating agents are selected from tetrasodium iminodisuccinate salt and or EDTA (Ethylene Diamine Tetraacetic Acid); the botanical pesticides comprise Cynanchum komarovii Al. extracts and also comprise Stellera chamaejasme extracts and Ageratina adenophora extracts. According to the chelating state micronutrient fertilizer with the insecticidal function, the trace elements are added, trace elements and other nutrients brought by a plant source which serves as the pesticides are contained, the trace elements and the other nutrients can be chelated into the chelating state micronutrient fertilizer, the botanical pesticides are also contained, and accordingly the formula is reasonable, the synergistic effect is obvious, the utilization rate of effective components is high, the pest killing effect is good through due to the double insecticidal mechanism for damaging protective enzyme systems and nervous systems of nematodes and the fumigation action of multiple ingredients, and the botanical pesticides are free of pest resistance. The invention also relates to a production method of the chelating state micronutrient fertilizer with the insecticidal function.

The present invention relates to a vacuum system non-contacting flexible magnetic coupler, including driven magnetic semi-coupler cover-mounted on the driven shaft, driving magnetic semi-coupler cover-connected on the driving shaft and isolation cover, the driven magnetic semi-coupler is embedded in the interior of driving magnetic semi-coupler, and the isolation cover is placed between the driven magnetic semi-coupler and driving magnetic semi-coupler.

The invention discloses high-strength low-viscosity modified asphalt and a processing process, relates to the technical field of engineering construction, and in particular relates to a road asphalt material which can be extensively applied to roads and bridges. The high-strength low-viscosity modified asphalt is realized by the technical scheme that the high-strength low-viscosity modified asphalt comprises the following components in percentage by weight: 0.1-5% of aromatic oil, 2%-5% of styrene-butadiene copolymer, 0.1%-4% of polyethylene-polypropylene copolymer, 0.1-0.25% of stabilizer and the balance of No. 70 and No. 90 asphalt. As the polyethylene-polypropylene copolymer is added, and the side chain long bond structure of the polyethylene-polypropylene copolymer is utilized to reprocess the modified asphalt product, and high PG (Performance Grade) requirements are easily reached. Besides, the high-strength low-viscosity modified asphalt has an excellent high-low temperature grade, is energy-saving and environment-friendly.

The invention relates to a bean pod mottle virus fluorescence quantitative RT-PCR reagent kit and a detection method thereof. The reagent kit comprises reverse transcriptase, an RNA enzyme inhibitor, hot start Taq DNA polymerase, fluorescence quantitative reaction solution, 2 x Buffer, sterilized double distilled water containing no RNA enzyme and positive contrast. The reagent kit and the detection method thereof use a conservative fragment of coat protein CP gene of bean pod mottle virus as a target, design a specificity primer and a TaqMan-MGB fluorescent probe, utilize the fluorescence quantitative RT-PCR technology for detecting the bean pod mottle virus, have the advantages of high sensitivity, strong specificity, rapidness, simplicity, accuracy and reliability, need no PCR posttreatment step, can effectively prevent cross contamination and false positive, are suitable for entry and exit plant quarantine, species introduction and rapid detection and diagnosis of the bean pod mottle virus in agricultural production, and can be used in real-time monitoring simultaneously, prewarning and forecasting of the epidemic situation of the bean pod mottle virus and have wide application and prospect.

The invention discloses a corrugated type sealing device of an oil tank guide post. The corrugated type sealing device comprises semi-corrugated tubes, two semicircular sealing clamp rings, a bottom ring-shaped sealing part, guide ropes and N groups of transverse metal ring sleeves, wherein in the N group of transverse metal ring sleeves, each group of transverse metal ring sleeves comprises M transverse metal ring sleeves; each group of transverse metal ring sleeves is positioned on the same horizontal plane, and is uniformly distributed along the circumferences of the semi-corrugated tubes; M is greater than or equal to 2; the semi-corrugated tubes are fixed by virtue of one group of transverse metal ring sleeves from space to space; and M guide ropes sequentially pass through the plurality of groups of transverse metal ring sleeves from top to bottom for supporting and fixing the semi-corrugated tubes correspondingly. According to the corrugated type sealing device, by virtue of a plurality of protective sections, the semi-corrugated tubes are connected into a sealed space which adapts to maximum liquid level and minimum liquid level of a floating roof, so that oil gas volatilization is restrained, energy consumption is reduced, the atmospheric environment and the personal safety are protected, and safe operation of an oil storage tank is ensured.

The invention relates to a conditioning device of a solar photoelectrical generation system applied to purple sweet potato refrigeration, which belongs to the technical field of new energy application. A purple sweet potato contains anthocyanin and selenium, has very strong antioxidation function, can reduce aminopherase in blood serum, has the function of preventing cardiovascular diseases of hyperpiesis and the like, and tumor; however, the fresh purple sweet potato is difficult to store because of thin peel and much juice. In recent years, the purple sweet potato has rapid planting development and growing consumption market. Sunlight irradiates a silicon solar panel arranged on the roof of a purple sweet potato refrigeration warehouse to generate direct current, and the direct current passes through a lead, a controller and a converter to be converted into alternating current, the alternating current is input to an air conditioner, a temperature controlling device and a humidity controlling device so as to enable the purple sweet potato refrigeration warehouse to keep a proper storage temperature of 10-15 DEG C and a proper humidity so that the fresh purple sweet potato can be stored for a long time and can be supplied for the market continuously. The current input to a lithium ion battery through the lead from the controller can be stored for preservation.

The invention discloses a high-efficiency automatic nicking device. The high-efficiency automatic nicking device comprises a working box; a plurality of supporting legs are disposed on the lower sidewall of the working box; a rotary shaft is inserted into the lower end of each supporting leg; each rotary shaft is sleeved with a rolling wheel; the inner walls of the two sides of the working box are each fixedly connected with a fixing plate; the lower side wall of each fixing plate is provided with a sliding groove; each sliding groove is internally and slideably connected with a sliding plate; the upper side wall of each fixing plate is provided with a slide groove; a sliding rail is disposed between the inner walls of the two sides of each slide groove; each sliding rail is sleeved witha linear motor; and the lower side wall of each linear motor is provided with a connecting rod. A to-be-nicked workpiece is clamped and then nicked, the workpiece is nicked in different horizontal positions and in different surfaces, and the nicking device is wider in applicability, simple in structure, convenient and practical.

The invention discloses a multifunctional supporting frame used for being matched with a peritoneal dialysis clean liquid changing house. The multifunctional supporting frame at least comprises a cubeframe and one or more object storing table tops. The one or more object storing table tops are parallelly placed and connected with one of vertical supporting rods which constitute the cube frame. The cube frame is provided with a hook or an electronic scale with the hook, an ultraviolet disinfection lamp and a network monitoring camera. When the multifunctional supporting frame used for being matched with the peritoneal dialysis clean liquid changing house is used by a peritoneal dialysis patient, placing of peritoneal dialysis products can be standard and neat, communication between a doctor and the patient is improved, liquid changing operation can be safer, more convenient and more standard, and the peritoneal dialysis quality is advantageously improved.

The invention relates to a safety drilling device for a lead-acid battery leakage test. The safety drilling device comprises a drilling unit, a protection unit and a power-off protection system, wherein the protection unit sleeves the drilling unit and is matched with the surface of a lead-acid battery, and the power-off protection system is electrically connected with the drilling unit; and the drilling unit comprises a power mechanism and a hollow round pipe in transmission connection with the power mechanism, and sawteeth are arranged at the bottom end of the hollow round pipe. Compared with the prior art, according to the safety drilling device, the sawteeth at the bottom end of the hollow round pipe keep a drilled wafer in the hollow round pipe so that an annular bulge cannot be generated due to high temperature when the inner wall of the battery is drilled through, electrolyte is prevented from being retained in a cavity in the liquid discharge test process, and the test error isreduced; the power-off protection system can realize power-off protection in time; and due to the arrangement of a closed protective cover and a liquid guide pipe, the splashing or overflowing phenomenon possibly occurring when the electrolyte is drilled through can be effectively prevented, and the safety of the personnel environment is protected.

The invention discloses a method for reducing the cadmium content of corns through carrying out intercropping with sonchus asper and coupling with passivating agents. The method comprises an intercropping mode of planting corns on ridges and planting sonchus asper in ditches between every two adjacent ridges. A passivating agent LH or a passivating agent LS or a passivating agent pH is applied while a base fertilizer is applied to the corn planting ridges, wherein the passivation agent LH is 150 kg/mu of lime and 1500 kg/mu of humic acid, the passivating agent LS is 150 kg/mu of lime and 1500kg/mu of sepiolite, and the passivation agent pH is 100 kg/mu of calcium-magnesium-phosphate fertilizers and 1500 kg/mu of humic acid. In a stem elongation period of the corns, a phosphatic fertilizerand a potash fertilizer are applied to the corns, and only a base fertilizer is applied to the sonchus asper. According to the method, the corn yield and the farmer income are ensured, and compared with single cropping of corns without application of a passivating agent, single cropping of corns with application of a passivating agent, and interplanting of corns with sonchus asper, the method provided by the invention has the advantages that the pollution caused by the Cd content of corn grains is greatly reduced, so that the ecological environment is protected.

The invention discloses a geological disaster monitoring system based on space-time big data analysis. The geological disaster monitoring system comprises a data acquisition terminal, a data transmission platform, a host control terminal and an intelligent mobile terminal, according to the invention, geological displacement parameters, environmental parameters, water body parameters and regional remote sensing images in a region are acquired as space-time big data through the data acquisition terminal, so that the monitoring data source of the system is richer, the data parameters are more accurate, the monitoring data are transmitted through the data transmission platform, and the monitoring efficiency is improved. The host control terminal analyzes, compares and processes the space-time big data, so that whether address disaster potential safety hazards exist in a monitoring area can be timely, effectively and accurately found, comprehensive and effective address disaster monitoring is achieved, and compared with a traditional monitoring system, data transmission is more efficient and faster, and the monitoring result is more accurate. The real-time performance and accuracy of the system are improved, great help is brought to monitoring work of geological disasters, and human life and property and environmental safety are protected.

The invention provides a method for reducing the content of cadmium in corn through intercropping with Sedum plumbizincicola and coupling with a passivator. The method comprises the steps that the intercropping mode that the corn is planted on ridges, the Sedum plumbizincicola is planted in furrows between every two adjacent ridges is adopted, and while a base fertilizer is applied to the ridges where the corn is planted, the passivator LH or the passivator LS or the passivator SH is applied, wherein the passivator LH refers to 150 kg/mu of lime and 1500 kg/mu of humic acid, the passivator LSis 150 kg/mu of lime and 1500 k/mu of sepiolite, and the passivator SH is 1500 k/mu of sepiolite and 1500 kg/mu of humic acid; in the corn stem pushing stage, a phosphatic fertilizer and a potash fertilizer are applied to the corn, and only a base fertilizer is applied to the Sedum plumbizincicola. By means of the method, under the condition that the corn yield and the farmers' income are ensured,compared with corn sole cropping without the passivator, corn sole cropping with the passivator and intercropping of the corn and the Sedum plumbizincicola, the pollution of the cadmium to corn kernels can be greatly reduced, and moreover, the ecological environment is protected.

The invention discloses an intelligent tap buffer enhancement control system. The system comprises a solenoid valve M arranged on a water supply pipeline, a control chip U1 connected with the solenoid valve M, a capacitor C5, a capacitor C6, and a switch driving circuit and a signal determination circuit which are respectively connected with the control chip U1, a signal input circuit connected with the signal determination circuit, a signal enhancement circuit connected with the signal input circuit, and a signal buffer circuit connected with the signal determination circuit, wherein a positive electrode of the capacitor C5 is connected with a THRES pin and a TRIG pin of the control chip U1, a negative electrode of the capacitor C5 is connected with a GND pin of the control chip U1, a positive electrode of the capacitor C6 is connected with a CONT pin of the control chip U1, and a negative electrode of the capacitor C6 is connected with the GND pin of the control chip U1. The system is advantaged in that household water use intelligence level is greatly improved, household water consumption is reduced, water resource is saved, and economic cost of a user can be better reduced.

The invention discloses a low-temperature working condition fire extinguishing block, and relates to the field of fire fighting. The fire extinguishing block comprises the following fire extinguishing components by mass: 60-75 parts of an oxidizing agent, 15-25 parts of a reducing agent, 6-16 parts of an adjusting auxiliary agent, and 3-5 parts of an adhesive, wherein the oxidizing agent comprises calcium perchlorate, the reducing agent comprises dicyandiamide, and the adjusting auxiliary agent comprises magnesium oxalate and magnesium powder. The fire extinguishing block provided by the invention has the advantages of high insulativity, cleanliness, low-temperature working condition, no corrosion and space saving, and can be used for long-term loaded electrical equipment cabinets such as power distribution cabinets, electrical equipment control cabinets, network communication cabinets and charging piles and other relatively closed spaces with fire danger hidden dangers.