91 results about "Trapping methods" patented technology

Methods and apparatus for storing, accessing, generating and using information about speed limits and speed traps are described. The system includes a positional sensor such as a GPS device. Position information is used to access a database of speed limit and / or speed trap information. The database may be local or remote. Access to a remote database may be achieved using a wireless communications device such as a wireless (cellular) modem. Encountered speed traps are logged in response to the activation of a speed trap alert button by a user of the device or the output of a radar / laser detector. Speed trap position, date and time information is transmitted to the remote database system. Speed limit information is used to control the speed of the automobile as part of a cruise control operation and / or is used to provide the motor vehicle operator with warnings, e.g., that the applicable speed limit is being exceeded. Speed trap information which is retrieved using positional information provided by the GPS device is used to warn the user of the device of speed traps in the user's vicinity as the user approaches the location of the known speed trap.

Methods of trapping a deformed portion of a double-stranded polynucleotide in a membrane nanopassage are provided. In an aspect, the membrane has a nanopassage that defines a confine region, wherein the membrane separates a first fluid compartment from a second fluid compartment, and the nanopassage is in fluid communication with the first and second compartments. A polynucleotide is provided to the first fluid compartment and optionally a threshold voltage for the membrane and the polynucleotide is determined. A driving voltage across the membrane that is greater than the threshold voltage is applied to force a portion of the polynucleotide sequence into the nanopassage confine region, and decreased to a holding voltage bias to trap the polynucleotide portion in the nanopassage confine region. In particular, at least one nucleotide base-pair is fixably positioned in the nanopassage confine volume. In further embodiments, any of the trapping methods are used to characterize or sequence double stranded DNA.

Trapping methods and systems for raster images along horizontal, vertical or diagonal directions uses edge detection for detecting edges between pixels and only diagonally neighboring pixels.

A pressure swing adsorption process for the separation of nitrogen and / or CO2 from natural gas utilizes two separate pressure swing adsorption stages, the first containing a hydrocarbon-selective adsorbent and the second containing a nitrogen- and / or CO2-selective adsorbent. In the process, the product stream from the first pressure swing adsorption unit contains a natural gas stream having a reduced hydrocarbon content and the product stream from the second pressure swing adsorption unit is a natural gas stream having a reduced nitrogen and / or CO2 concentration. An intermediate pressure stream containing methane from the second pressure swing adsorption unit is used to desorb the hydrocarbons from the first pressure swing adsorption unit. The C3+ hydrocarbons can be separated as liquids from the methane.

The invention discloses a trap method for Empoasca vitis Gothe imago,nympha and spiny white fly imago, comprising the steps: 1)separating and authenticating 9 volatile matter from sturdy tea twig using adsorption method 2) determining three volatile ingredient with allure activity using biological determination method 3)respectively preparing three active ingredient, concentration 0.01-20mu g / ml, mixing according to 1:0.2-1.5:0.1-1, preparing attractant, 4)determining three colors with alluring effect to Empoasca vitis Gothe and spiny white fly from ten colors in the tea garden allure experiment, three colors being parrot green, bud green and jasmine yellow 5) combining attractant with bud green and jasmine yellow, making trapper for Empoasca vitis Gothe and spiny white fly The advantage of the invention : 1)no pollution, adapting to organic tea and nuisance free tea production, 2) low cost.

Methods and systems are provided for improving air intake system hydrocarbon trap purging during engine-off time in a hybrid electric vehicle. One method includes opening the throttle during vehicle motion under battery operation and allowing airflow through the trap to purge its contents into the fuel canister via the canister purge valve. Upon transition into the engine-on mode, fuel vapors are released from the canister into the engine intake.

The invention relates to an atomic space-adjustable dark magnetic optical trap method and device for preparing ultra cold polar molecules. With the method and device adopted, the technical problem of little possibility for atomic groups to realize space absolute overlap in a current ultra cold polar molecule preparing process can be solved. According to the method and device of the invention, trapping light of A atoms and B atoms are merged into one beam through corresponding optical components; the beam is divided into six beams; the six beams and an inverse helmholtz magnetic field form a magnetic optical trap, so that the overlap ratio of an A atom group and a B atom group trapped by the magnetic optical trap can be significantly enhanced; in a dark magnetic optical trap which is formed by depumping light through adopting a dark point, the intensity ratio of two beams of mixed light can be adjusted through adjusting several wave plates, particular, a third wave plate, and therefore, the work of the overlap of the two atom groups can be controlled, and an ideal condition can be created for the association of the atom groups; a user can know how to adjust the intensity ratio of beams of mixed light through observing atom group images acquired by a CCD image sensor, so that the overlap of the two atom groups can be realized, and the rate and yield of ultra cold polar molecule preparation can be effectively improved.

In trapping process of a multicolor image, it is judged whether trapping process is required or not, and trapping process is performed only when required. Specifically, trapping process is executed when in a portion where a plurality of figures constituting an image overlap, the plate color value of a relatively lower figure is erased or overwritten. This enables to execute trapping process only when there is the danger that a gap occurs in a boundary portion where different two colors are adjacent each other.

The invention discloses a CO2 trapping method combining dimethyl carbonate absorption and membrane desorption, belonging to the technical field of chemical engineering. The method comprises the following steps of: decarbonizing feed gas containing CO2 by dimethyl carbonate absorption; then carrying out two-stage throttling expansion and membrane desorption regeneration on CO2-absorbed absorbent rich liquor, and discharging CO2 gas generated by the throttling expansion and the membrane desorption out of the battery limit. Compared with a decarbonizing process of the inventor, which adopts the dimethyl carbonate as the absorbent, the new process of the dimethyl carbonate decarburization and the membrane desorption can reduce the comprehensive energy consumption by 5-20 percent. Compared with the propylene carbonate method maturely applied in industry at present, the energy consumption can be reduced by 30-40 percent; compared with the polyethylene glycol dimethyl ether method, the price of a solvent is lower, and polymerization losses are reduced by 40-60 percent; and compared with the low-temperature methane swabbing process, the operating temperature is milder, and the equipment investment is reduced by 30-40 percent. The CO2 removing efficiency can reach 95 percent or above.

The invention discloses a TDM (Time Division Multiplexing)-based high-order adaptive wave trap of a parallel structure and an adaptive wave trap method, and belongs to communication technology. The method comprises the following steps of: dividing a high-speed sampling point sequence into N (N is greater than or equal to 2 and is less than or equal to 9) low-speed sampling point sequence branchesbased on a narrow band analytic signal sampling theorem by using a sampling point interleaving TDM technology; performing cascaded high-order adaptive wave trap respectively; and combining by using the TDM technology to reduce the low-speed sampling point sequence branches into a high-speed sequence, wherein the entire wave trap falls to be zero close to a specific frequency omega i; and omega i is amended in a unified way by using a linkage method to realize adaptive iteration. Through the wave trap serving as preprocessing before de-spreading, a plurality of narrow band strong interferencescan be suppressed, and the interference tolerance of the system can be greatly improved. High-order adaptive wave trap can be realized at the sampling rate of over hundreds of megabits, the realization complexity is low, the wave trap effect and the stability are high, a plurality of zero fall combination phenomena can be reduced or avoided, and the number of zero fall frequency points is approximately the same as the number of the actual narrow band strong interferences. The wave trap and the wave trap method are mainly used in wideband or ultra wideband digital communication systems.

The invention relates to a butterfly-class pest trapping method and a device thereof. The method is as follows: arranging an open vessel filled with liquid in a field, wherein, the whole or partial outer wall of the open vessel and / or liquid are set to be at least one of bluish green, purple and blue; arranging a sticky trap in the field, wherein, the whole or part of the sticky trap is set to beat least one of bluish green, purple and blue. The device comprises a rain supporting cover, a water storing cylinder, a water basin and a water level control mechanism, wherein, the lower end of thewater storing cylinder arranged above the water basin is provided with a water outlet connected with the water level control mechanism, the upper end thereof is connected with the water collection port of the rain supporting cover, and the outer wall of the water storing cylinder is set to be at least one of bluish green, purple and blue. The invention uses butterfly-class pest chromatotropism totrap and collect main butterfly-class pests, and has high prevention and curing efficiency, low cost, environment protection and no public hazard; the trapping device of the invention does not need everyday water adding, or frequent replacement of components, can be repeatedly used, has wide expansibility, does not pollute environment, and can keep integral insect specimens.

The invention discloses a trapping method and device, which belong to the technical field of package printing. The method comprises the following steps of: firstly, determining trapping directions of public boundaries which meet a trapping processing condition; secondly, sequentially judging each non-trapped public boundary, and determining that a public boundary e is trapped in the same trappingdirection as a boundary e1 if oil ink of a color lump P1 on one side of the public boundary e comprises oil ink of a color lump P2 on the other side of the public boundary e and oil ink of an adjacent color lump P3 on the other side of the adjacent boundary e1 on the P2 on the public boundary e is oil ink obtained by subtracting the lump P2 from the color lump P1; and lastly, performing trapping processing in the updated trapping direction. By applying the method and the device, the problem of breaches on trapping regions of adjacent color lumps comprising the same type of oil ink during trapping can be solved, and the appearances of the trapping regions are enhanced.

The invention discloses a trapping method for tar in coal gas. The trapping method comprises steps as follows: gas-gas heat exchange: low-temperature gas exchanges heat with high-temperature coal gas, heat of the high-temperature gas is recovered, and the use amount of spray tar is reduced; trapping: low-temperature tar is sprayed on the high-temperature coal gas subjected to heat exchange, so that tar gas in the coal gas is condensed, separated out and recovered through trapping; defogging: tar fog drops about to escape are recovered gradually by use of a two-stage defogger. With the adoption of the tar trapping method, tar can be removed from the coal gas repeatedly, that is, the better tar recovery effect is realized in a tar washing manner. Compared with an existing technology for trapping tar through washing, firstly, the tar trapping method cannot produce a large amount of refractory wastewater, so that the investment, production and operation costs of wastewater treatment equipment are reduced; secondly, the trapping rate is high and secondary investment of an electrical tar precipitator is reduced. Besides, the invention further provides a trapping system for the tar in the coal gas.

Methods and systems are provided for improving air intake system hydrocarbon trap purging during engine-off time in a hybrid electric vehicle. One method includes opening the throttle during vehicle motion under battery operation and allowing airflow through the trap to purge its contents into the fuel canister via the canister purge valve. Upon transition into the engine-on mode, fuel vapors are released from the canister into the engine intake.

The invention discloses a marine bottom trawling trapper and a trapping method thereof, and aims to provide the marine bottom trawling trapper which can effectively trap benthos perching on the surface of a seabed, and the trapping method thereof. The marine bottom trawling trapper comprises a trawl cage, a counterweight, at least one fixing anchor installed on the counterweight through a chain, a first reel rotatably arranged on a ship, a first rotating device for driving the first reel to rotate, a trawling rope reeled on the first reel, a second reel rotatably arranged on the ship, a second rotating device for driving the second reel to rotate, and a downwardly throwing rope reeled on the second reel, wherein the output shaft of the first rotating device is connected with the rotating shaft of the first reel through a first clutch; the output shaft of the second rotating device is connected with the rotating shaft of the second reel through a second clutch; the free end of the trawling rope is fixed on the trawl cage; the free end of the downwardly throwing rope is fixed on the counterweight; a guide ring is arranged on the counterweight; the trawling rope penetrates through the guide ring.

Methods and DNA constructs are provided for detection and manipulation of a target eukaryotic gene whose expression is restricted to certain tissues or specialized cell types. The methods include transforming a cell with a first indicator component under the control of a promoter selected for its restricted expression in a particular cell or tissue. The cell is also transformed with a gene trap vector encoding a second indicator component. The cell is allowed to differentiate to produce specialized cell or tissue which is monitored for expression of both the first and second indicator components, thereby detecting a gene into which the trap vector has integrated which is expressed in the same cell or tissue type as the selected promoter.

Provided are black trapping methods, apparatus and systems for binary images. According to one exemplary method, black trapping color image data is performed by incorporating a set of trapping condition logical operations. Specifically, edge checking is based on estimated contone color values and density checking based on a binary bitmap.

The invention discloses an innovative cocktail-mode attractant mosquito method. The method imitates the body odour and the attractant mosquito which imitates the air temperature from body breathe in the high body temperature, heats the attractant mosquito to spreading it smells out the air with a catch mosquito device. When mosquitoes get close to the attractant mouth of the catch mosquito device, the device uses the structure of fan disturbing air to giving rise to the Vortex Air Field which sucks the mosquitoes near the trap into the device; when mosquitoes are sucked into the rotating fan, the mosquitoes are killed by the high rotate of blades and the mosquitoes corpse are collected in the attractant mosquito net to reach the purpose of killing mosquitoes.

The present invention includes a method for forming a particle trap along a surface of a physical vapor deposition component, and includes a physical vapor deposition component having the particle trap thereon. The present invention may involve the use of highly soluble media for bead blasting and / or may involve the use of metallic materials as bead blasting media. The invention may also include forming an insert along an area of ​​the target seat where a particle trap is desired, the insert having a composition superior to the target seat in terms of particle trapping properties.

Methods of trapping a deformed portion of a double-stranded polynucleotide in a membrane nanopassage are provided. In an aspect, the membrane has a nanopassage that defines a confine region, wherein the membrane separates a first fluid compartment from a second fluid compartment, and the nanopassage is in fluid communication with the first and second compartments. A polynucleotide is provided to the first fluid compartment and optionally a threshold voltage for the membrane and the polynucleotide is determined. A driving voltage across the membrane that is greater than the threshold voltage is applied to force a portion of the polynucleotide sequence into the nanopassage confine region, and decreased to a holding voltage bias to trap the polynucleotide portion in the nanopassage confine region. In particular, at least one nucleotide base-pair is fixably positioned in the nanopassage confine volume. In further embodiments, any of the trapping methods are used to characterize or sequence double stranded DNA.

The invention discloses an aerosol particle sampling and detecting device and a method which are used for sampling and detecting aerosol particles in a certain amount of aerosol. The sampling and detecting device comprises a laser device, a spatial light modulator and a detection cavity; the laser device emits laser to the spatial light modulator (4); the spatial light modulator modulates the laser and then outputs the modulated laser to the detection cavity; the aerosol is accommodated in the detection cavity (8), and the laser emitted in the detection cavity forms a spatial light energy trap field in the detection cavity; the spatial light energy trap field comprises a plurality of light bottles; the light bottles are each of a spatial bottle-shaped structure with a bright area on the circumference and a dark area at the center, and can selectively constraint the aerosol particles having the same order of magnitude of sizes as that of the light bottles inside. The aerosol particle sampling and detecting device is simple in structure, convenient to carry and wide in detection size scope, and can real-timely detect the aerosol particles with the different sizes.

The invention discloses a high-sensitivity electric gate type mouse trapping method and device. The high-sensitivity electric gate type mouse trapping method and device mainly solve the technical problems that many existing mouse trapping methods are poor in sensitivity and reliabilityand single in bait. According to the mouse trapping cage, a bait in any shape can be placed on a movable pedal, after a mouse is induced to enter the cage, the pedal presses micro-switches to enable the micro-switches to be connected, an electric magnet is powered on to be attracted, a bolt is pulled out from a gate plate hole, a guide-rail-type gate is closed immediately and the mouse has no way to escape. The high-sensitivity electric gate type mouse trapping method and device have the advantages of being high in sensitivity, high in reliability and extremely low in power consumption and enabling various baits to be used, and is simple in structure and convenient to use.

The invention relates to a trapping method, an extraction method and a determination method for carbonyl compounds and tobacco-specific nitrosamines in mainstream cigarette smoke and belongs to the technical field of physical and chemical inspection of mainstream cigarette smoke. The trapping method for the carbonyl compounds and tobacco-specific nitrosamines in the mainstream cigarette smoke disclosed by the invention comprises the following steps: preparing a pretreatment solution from 0.20mol / L hydrochloric acid and absolute ethyl alcohol according to a volume ratio of 1:1; balancing the pretreatment solution on a standard filter for 2 hours so as to obtain a pretreated filter; and taking the standard filter as an auxiliary filter, enabling the mainstream cigarette smoke to sequentially pass through the pretreated filter and the auxiliary filter, and trapping the carbonyl compounds and tobacco-specific nitrosamines in the mainstream cigarette smoke. According to the trapping method disclosed by the invention, twelve harmful components in the carbonyl compounds and tobacco-specific nitrosamines of the mainstream cigarette smoke can be simultaneously trapped due to one-time smoking, so that the working efficiency is doubled. Moreover, the influence that large dead volume is caused during solution trapping can be eliminated.

The invention discloses a field trapping method and a trapping carrier thereof for trapping fly parasitic wasps. The method comprises the following steps of firstly uniformly mixing wheat bran, waterand porcine liver with the proportion of 3:5:6, carrying out slight fermentation, after feeding housefly larvae for two days, subsequently preparing the trapping carrier by the residues with the housefly larvae removed, subsequently adding homogenate of Sarcophagab peregrina and the housefly larvae with the proportion of 1:50 so as to prepare a cake-shaped trapping agent; and arranging the trapping agent in a culture dish, arranging the culture dish at outdoor shady places, and arranging bred fly grubs or pupae at places of 10-20cm away from the culture dish. The trapped parasitic wasps selectively spawn on the grubs or pupae; the grubs or pupae are collected every day and brought to the laboratory for closed breeding or culturing, and the feathered parasitic wasps are observed and collected so as to carry out species identification and enlarge breeding.

The invention provides an insect trapping device with trapping semiochemicals used for a trapping core and a method. Therefore, no less than 70 insects (preferably bemisia tabaci) can be trapped within one hour n average and no less than 200 insects can be more preferably. The insect trapping device is formed by yellow eco-friendly plate-shaped material such as paper. Eco-friendly insect-sticking glue can be coated on the upper surface of the plate-shaped material. The upper surface of a panel can be embedded with the trapping core with trapping semiochemicals which are linalool. When the insect trapping device is prepared, a yellow insect-sticking plate is firstly prepared and linalool or n-hexane is directly used as solvent and added into the trapping core. After the semiochemical liquid in the trapping core compeletly volatizes, the yellow insect-sticking plate is inserted. The insect-sticking plate is high in trapping efficiency, easy in operation and high in safety and is eco-friendly. The utilization rate of a color plate is reduced and cost is further lowered.

The invention discloses an interference prediction based self-adaptive wave trap method, and relates to the field of pseudo satellite navigation. A received satellite navigation signal with interference is delayed appropriately to form a reference signal, and thus, available navigation is extracted from narrowband interference. The zero point position and amplitude of a trap filter are adjusted adaptively to inhibit interference effectively. According to the method, the structure is simple, the computing amount is low, and the capability of resisting narrowband interference of a satellite navigation receiver is improved.

The invention discloses a trapping method and a trapping system including gradient blocks, which belong to the technical field of trapping in package printing. An existing trapping method can easily cause gaps between gradient trapping areas and between the gradient trapping areas and non-gradient trapping areas. The trapping method and the trapping system comprise the following procedures: firstly obtaining the shared borders of all the adjacent gradient blocks of an object to be trapped; judging whether each public border is a trapping border; judging the trapping directions of the trapping borders, and if the trapping borders are gradient trapping borders, judging the trapping directions of endpoints of the trapping borders; connecting the adjacent trapping borders according to the trapping directions of the trapping borders and the endpoints of the gradient trapping borders; generating the trapping areas; dividing the trapping areas; and finally filling colors in the divided trapping areas. The trapping method and the trapping system can effectively avoid the gaps and improve printing quality.