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.

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.

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 an efficient trap method for flyblows of flies and relates to a cultivation method. The method comprises the following steps of: selecting an ovum luring matter comprising a matrix, a foodstuff and an ovum luring reinforcing agent; adding water to the matrix, piling to a small cluster until no water flows, piling the matrix to the small cluster in an ovum luring disc, wherein a piling area is 25-35% of an ovum receiving disc, and scattering the foodstuff and the ovum luring reinforcing agent on the ovum receiving disc; during a spawning period of the flies, putting the ovum receiving disc into a fly cultivation growing room from 8 am to 10 am every day, and taking out the ovum receiving disc from 3:30 pm to 5:30 pm on the same day, wherein a large amount of fly blows, in particular red head flies, are arranged on the taken ovum receiving disc, the ovum can be spawned in the ovum receiving disc in a cluster, and each cluster is about more than 20 g when the ovum cluster is larger; taking the fly blows on the ovum receiving disc, removing the ovum luring matter attached on the ovum receiving disc to obtain the clear fly blows, collecting the fly blows in a container, measuring and recording quality.

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.

The invention relates to a trapping method for preventing and controlling bark beetles in tropical areas, which includes providing and using a trap for preventing and controlling bark beetles in tropical areas. One end is connected to the trap, the other end is connected to the trunk, and a clamp is also set on the trunk; the lower part of the top cover is assembled by two baffles, and the lure is connected to the baffle; the lower part of the baffle is inserted into the insect trap Inside, the upper part is provided with a lower clamp, and the other end is connected to the tree; the lower part of the insect trap is connected to the insect collector by threads, and double-sided adhesive tape is provided inside the insect collector to prevent the trapped barkfish from escaping. The lower part of the insect collector is provided with yarn Netting to allow rainwater to pass through. The trap of the present invention is simple in structure, easy to manufacture, does not need special personnel to take care of, has large capacity, and reduces the use of chemical pesticides.

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.

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 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 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.