35results about How to "Reduce potential impact" patented technology

An electronic drive system applies a drive signal to an electrostatically actuated device such that a resulting electric field has a constant force. In various exemplary embodiments, the electronic drive system applies a drive signal to an electrostatically actuated fluid ejector that has a piston and a faceplate including a nozzle hole. A dielectric fluid to be ejected is supplied between the piston and the faceplate. The drive signal is applied to one of the piston and the faceplate. The drive signal generates an electric field across the fluid between the piston and the faceplate. The electric field causes the piston to be electrostatically attracted towards the faceplate so that a jet or drop of fluid is ejected through the nozzle hole of the faceplate. According to exemplary embodiments, the drive signal is from a constant current source or is reduced over the course of its lifetime. Further, according to various exemplary embodiments, the drive signal is of a suitable high frequency to reduce the potential of electrochemical reactions or electrical breakdown, or both. The drive signal may also be a bi-polar drive signal to reduce the possibility of electrochemical reactions.

The invention provides a dehydrogenation purifying processing system used for processing a fuel cell powered vehicle tail gas and a method thereof. The system includes a three-direction electromagnetic valve, a hydrogen buffering device, a steam-water separator, a hydrogen catalytic combustion purifying processing device, a heat exchanger, a hydrogen emergency emptying tube, a temperature monitoring device, a hydrogen sensor and a system controlling module, wherein, an inlet of the three-direction electromagnetic valve connects with an outlet of a galvanic pile anode side, one outlet of the electromagnetic valve connects with the hydrogen buffering device, other outlet connects with the hydrogen emergency emptying tube; the joint of the electromagnetic valve and the hydrogen buffering device also connects with the steam-water separator and the catalytic combustion purifying processing device. The system controlling module connects with the electromagnetic valve, the hydrogen sensor and the temperature sensor, adjusts and controls the whole system. The invention can ensure that tail gas containing hydrogen discharged by the flue cell powered system is purified safely by using method of catalytic combustion, reduces latent effect and harm to atmospheric and environmental, and increases the whole system efficiency.

The invention provides a household garbage treatment method and treatment system. According to the treatment method, household garbage is broken, recoverable garbage is sorted out, and an anti-corrosion modifier is added to be stored; the stored garbage is subject to breaking, and hot air drying and grinding of a cement kiln, powder selection is carried out, and granule matter is burnt. In the process, the garbage is subject to drying and grinding and then is burnt, the side effect of garbage water or garbage waste gas on safety operation of a cement kiln system can be reduced as far as possible, the secondary pollution is reduced, harmless, low-cost and low-investment treatment of household garbage is ensured, and the method and system meet the sustainable development circular economy direction. According to the treatment system, the special advantage of the cement kiln is sufficiently used, in combination with the garbage system, the capital investment is reduced, the garbage treatment capacity is improved, garbage applicability is improved, and the system is a harmless, recycling and low-cost treatment system.

The invention discloses a polluted site soil groundwater pollution risk management and control technical method. The method comprises the following steps: 1) carrying out site analysis and survey; 2) carrying out first-time full-field lossless scanning detection, identifying and delineating a pollution halo; 3) arranging soil and underground water monitoring points in a targeted manner; 4) carrying out full-field lossless scanning detection irregularly, 5) comparing lossless scanning detection results, 6) carrying out natural attenuation monitoring on soil and underground water pollutants, 7) adjusting the arrangement and sampling frequency of the soil and groundwater monitoring points according to the nondestructive scanning detection result; and 8) accurately tracking the pollution degree and drift range of the field pollution halo by combining the multiple full-field nondestructive scanning detection results and the soil and groundwater monitoring data. According to the invention, lossless scanning detection and natural attenuation monitoring are combined to be applied to tracking detection and early warning of the soil and underground water pollution halo of the polluted site, the precision is high, the cost is low, the interference is small, the omnibearing real-time pollution risk management and control of the site can be realized, and the coping efficiency and precision of diffusion and migration of the pollution halo are obviously improved.

The invention provides a novel crystal form for temozolomide, a method for preparing the temozolomide and a medicinal composition of the temozolomide. The novel crystal form for the temozolomide is characterized in that: Cu is used for radiation, and diffraction peaks of 2 theta represented by degrees exist at 8.2+/-0.2 and 6.0+/-0.2 in an X-ray diffraction pattern. The invention has the advantages that: a temozolomide crystal-shaped object which is suitable for industrialized production is provided; and the problems in the prior art are solved. The preparation process is simple and easy to operate, the industrialized production is convenient to operate, the quality is controllable, and the yield is stable. The crystal-shaped object obtained by the preparation process can remarkably improve the appearance and color and luster of products; the temozolomide M crystal-shaped object prepared by the method has high stability and can be stored for a long time; and in the method, the crystal-shaped object is prepared by using an organic solvent with lower toxicity, so the potential influence effect of the positioning of organic residue on human bodies is reduced to a certain degree. The advantages ensure that the invention is beneficial to the remarkable improvement on the quality of the products and is more suitable for industrialized production.

A patient presses a finger concurrently against a needle (14) of a collection container (12) and a fingerprint surface (22, 52). In one embodiment, the patient's fingerprint is read electronically by a scanner (24) and correlated with a container serial number (16). In another embodiment, the patient's fingerprint is embossed in a foil layer (52). An analyzer assembly (40, 40' 40'') analyzes the biological sample and reads either the container serial number or scans the fingerprint carrying layer (52) and sends the test results and either the fingerprint or container identification to a patient memory (30). Using the fingerprint information, a processor (32) correlates the test results with a record (60) of a corresponding patient. Alternately or additionally, the analyzer assembly includes a DNA analyzer (70) which measures preselected DNA characteristics (76) of the sample. The processor (32) compares the measured DNA subset characteristics with DNA subset characteristics (66) in the patient records to correlate or confirm the correlation of the analysis results with the proper patient.

The utility model relates to a tail gas dehydrogenation device for a fuel cell automobile, and belongs to a purification treatment device. The device is used for purifying fuel cell hydrogen tail gas.The device comprises a tail gas pipe, a gas pipe, a cyclone separator and a catalyst, wherein the cyclone separator is connected with the catalyst through a hose, the tail gas pipe is connected to agas inlet at one end of the cyclone separator, and the gas pipe is connected with a bottom gas inlet of the cyclone separator; an electromagnetic valve is arranged between the hose and the cyclone separator; when the pressure in the cyclone separator reaches a set value, the electromagnetic valve is automatically opened; the catalyst arranged in the catalyst is used for carrying out catalytic reaction on oxygen and hydrogen to generate water, so that the purpose of safe discharge is achieved. The invention has the beneficial effects that the device can guarantee that the hydrogen-containing tail gas discharged by a fuel cell system is safely purified and treated in a catalytic reaction mode, and reduces the potential influence and harm possibly caused to the atmosphere and the environmentdue to hydrogen emission. The device is high in system integration level, small in occupied space and convenient to mount and dismount.

The invention provides a plug-in hydrogen hybrid fuel vehicle, and in particular, relates to a technology of fuel control of an internal combustion engine and vehicle-carried hydrogen production. The system is added with a set of hydrogen production, storage and supply system and a hydrogen system electric control unit on the basis of retaining all parts of an internal combustion engine body. The hydrogen system electric control unit can detect a voltage state of a generator and information of an external charge pile when the pressure of a hydrogen storage system is low; the external charge pile is preferentially selected to drive a vehicle-mounted hydrogen producer to produce hydrogen; when no external charge pile is provided, the generator can produce the hydrogen along with the vehicle; and the hydrogen storage system automatically stops production of the hydrogen when reaching designed pressure. In addition, the system can realize three fuel supply modes of pure hydrogen, other pure fuels and mixed hydrogen through controlling spraying pulse widths of hydrogen and other fuel nozzles; and the hydrogen ratio in the hydrogen mixing mode can be adjusted to realize efficient and clean operation of the whole vehicle.

A neutralization/sequestration process is provided for concomitantly addressing capture and sequestration of both CO₂ and SO₂ from industrial gas byproduct streams. The invented process concomitantly treats and minimizes bauxite residues from aluminum production processes and brine wastewater from oil/gas production processes. The benefits of this integrated approach to coincidental treatment of multiple industrial waste byproduct streams include neutralization of caustic byproduct such as bauxite residue, thereby decreasing the risk associated with the long-term storage and potential environmental of storing caustic materials, decreasing or obviating the need for costly treatment of byproduct brines, thereby eliminating the need to purchase CaO or similar scrubber reagents typically required for SO₂ treatment of such gasses, and directly using CO₂ from flue gas to neutralize bauxite residue/brine mixtures, without the need for costly separation of CO₂ from the industrial byproduct gas stream by processes such as liquid amine-based scrubbers.

A fault diagnosis method based on a knowledge graph technology introduces a knowledge graph into a train fault application scene, and constructs an association relationship among theme elements such as systems, parts and components of a product and an association relationship between faults and main elements by constructing the fault graph. Through the fault map, the mutual relation between parts, faults and the like can be clearly displayed, the influence relation of the faults on related parts can be accurately judged by further combining specific fault phenomena, the correlation of the faults can be accurately judged through the frequency of the faults, fault reasons and influence degrees of all factors are visually displayed, the influence of the faults on all dimensions of the product and the fault reasons are deeply excavated, and the potential influence of the faults on the train is effectively reduced.

The invention discloses a pesticide with low irritation and high efficiency and a preparation method thereof. The pesticide is characterized by comprising the following components by weight percent: 3-6% of benzoate, 3-5% of abamectin, 1-2% of emamectin benzoate, 15-25% of sucrose, 5-7% of sodium lauryl sulfate, 7-8% of sodium N-methyl-N-cocoyl taurate, 3-6% of polysiloxane, 0.5-0.8% of alkylphenol polyoxyethylene ether, 0.4-0.7% of acetophenone, 12-15% of filler and 0.3-0.5% of additive. The pesticide disclosed by the invention has the advantages that by adoption of the bio-derived filler, the potential influence for the environment is reduced, the safety of a user is improved, and the irritation of the pesticide to the eyes is specifically reduced. The pesticide and the preparation method have the advantages that the production process is simple, the cost is low, the pesticide resistance is good, the use is convenient and the application prospect is wide.

The invention relates to a slow-release food anti-oxidation packaging film and a preparation method thereof. The packaging film film substrate is blended by 50-80 parts by weight of HDPE and 20-50 parts by weight of EVA, and is added with 5-12.5 parts by weight of diatomite and 0.75-1.25 parts of quercetin. The method is as follows: (1) mix HDPE and EVA masterbatch evenly, and smelt; (2) sprinkle diatomaceous earth on the blended sheet covered with rolls, smelt for 6-8 minutes, sprinkle quercetin, and smelt for 6 minutes. ~8min; (3) Take off the roll, lay a single layer on a flat plate, and cut after cooling; (4) Hot pressing; (5) Pressure forming, that is to say. The packaging film of the present invention has antioxidant slow-release performance, can significantly improve the effective utilization rate of antioxidants, and has good mechanical properties and moisture and oxygen resistance properties at the same time. The packaging film prepared by the method of the present invention can ensure Has a high antioxidant retention rate.

The invention provides a selective culture medium for identifying Vibrio cholerae. In the technical scheme, on the basis of nutrition metabolism characteristics of Vibrio cholerae, the inventor preferably selects nutrition facts suitable for growth of Vibrio cholerae, and experiments find that growth of most gram positive bacteria is obviously inhibited under the nutrition condition, so that range of microorganisms possibly exerting an influence on detection results is narrowed. On this basis, the characteristic that Vibrio cholerae can decompose tryptophan in peptone to generate indole is utilized, and a proper amount of paradimethylaminobenzaldehyde is added to serve as a selective indicator which can react with indole to generate red rosindol so as to serve as a positive indicator of Vibrio cholerae. Protruding technical effect is realized through creative technical improvement, and the selective culture medium is low in cost and easy to implement, thereby having a protruding popularization prospect.

The invention provides a fired brick and a preparation method thereof, and belongs to the technical field of resource reutilization. According to the method, two solid wastes, namely water-based drilling cuttings and fly ash, are comprehensively utilized at the same time, the utilization rate of the treatment process is high, secondary pollution is avoided, and the product additional value is high; in addition to the addition of 10% of internal combustion coal in the fired brick production process, no other expensive additive is needed, the production cost is low, the technology is mature, andthe practicability is high; and related properties such as compressive strength, water absorption and the like of the produced fired brick meet the standard of GB/T 5101-2017 Fired common bricks. Compared with traditional drilling solid waste stacking treatment and roadbed filling methods, the method of the invention has the advantages that: the treatment efficiency is high, resources can be utilized to the maximum extent, the potential influence on the environment is relatively small, the environmental protection benefit is remarkable, and the economic value is high.

The invention provides a method for restoring the ecological environment of a seawater pumped storage power station, which is characterized by comprising the following steps: (1) preliminary screening: investigating vegetation of a coastal island and/or a sand bank protection forest sample plot, and then performing preliminary screening according to an investigation result, wherein the preliminarily screened salt-tolerant plants need to comprise arbor plants, shrub plants and herbaceous plants; (2) secondary screening: planting all salt-tolerant plants obtained through preliminary screening, carrying out a salt mist stress test, and carrying out secondary screening to obtain arbor plants, shrub plants and herbaceous plants which finally need to be planted; and (3) planting: carrying out mixed and graded planting on the screened arbor plants, shrub plants and herbaceous plants to realize the restoration of the ecological environment of the seawater pumped storage power station.