95results about How to "Improve interception" patented technology

A high efficiency radiation detector employs longitudinally extending converter elements receiving longitudinally propagating radiation to produce high-energetic electrons received by detector structures in interstitial spaces. The secondary electron generation in this architecture allows great freedom in selection of converter materials and thickness. A variety of detector mechanisms may be used including ionization-type detectors or scintillation-type detector.

A method for data exchange is provided, whereby a first code is generated by a transponder, which is transmitted to a base station, a first transmission information is generated by the base station by encoding a base station code with a first identification and the first random number code, the first transmission information is transmitted to the transponder and the base station code is extracted by the transponder, a second code is generated by the transponder, which is transmitted to the base station upon an associated request from the base station, whereby before a transmission to the base station the second code is encoded with the extracted base station code, a second encoded transmission information comprising a second identification is generated by the base station with use of the second code and transmitted to the transponder, and at least one memory region of the transponder is released for read and/or write access after the second identification was verified as valid. The invention relates further to a transponder and to a system for secure data exchange.

Water filtration media having a charged material affixed directly to binder material used in the fabrication of the filter media. A microbiological interception enhancing agent is added to the binder directly. The media having a charged material and a microbiological interception enhancing agent both affixed directly on a binder material is then combined with core filter media and prepared as a filtration media. A filter is prepared from the treated filter media.

The present invention relates to method and arrangements to provide information related to user devices in a telecommunication system (TS). The system comprises at least one network domain (HPLMN, WCDMA) that is associated with a central database (DCR). The method comprises identification in the central database (DCR) of a first request (REQ1, REQI1) to provide to at least one data analysis function, user identity information related to all user devices that notifies attachment to the at least one network domain (HPLMN, WCDMA). Attachment notification from a requested user device (A, B) to the network domain is then detected in the central database.

A method and system to rapidly, passively, range and track maneuvering airborne emitters (enemy targets and threats) for tactical fighters using batch based recursive estimators for track initialization and track maintenance that includes providing information processing that has angle and signal amplitude data, threat database, and feedback from pilot cue analysis. The system includes pilot cue analysis which computes airborne emitter (target and threat) heading and corresponding accuracy to determine if sufficient accuracy is available to present the pilot with proper pilot cue options. The first stage is a range bank also called a compound parallel hypothesis evaluator and the second stage is an interactive multi-model. Both stages provide for the output of the algorithm to be a range measurement and an associated confidence factor. The algorithm inputs azimuth angle elevation angle and range and is capable of inputting data from three different data pre-processors (i.e., sensor data fusion).

A dissolvable jet vane (22/30) is a composite structure, having a support frame (38), a plug leading edge (40) connected to the forward edge (42) of the frame (38), and an insulation layer (44) on the side walls of the support frame (38). The dissolvable jet vane materials withstand the pressure and thermal loads associated with missile steering during the first few seconds of rocket boost until the missile attains sufficient speed to use conventional external aerodynamic control fins for steering control. Once control passes to the external fins, the jet vanes rapidly and uniformly dissolve in the exhaust stream. The dissolvable jet vane provides a lightweight, reliable means of removing steering jet vanes from the exhaust stream of a solid rocket motor nozzle.

Disclosed is an optical fiber article for receiving pump radiation of a first wavelength for amplifying or generating radiation of a second wavelength. The optical fiber article includes a core for propagating light of the second wavelength. The core has a first index of refraction and includes a rare earth material. A cladding surrounds the core and has a second index of refraction that is less than the first index of refraction. The outer circumference of the cladding can include a plurality of sections, where the plurality of sections includes at least one substantially straight section and one inwardly curved section. The optical fiber article can also include at least one outer layer surrounding the cladding, where the index of refraction of the outer layer is less than the second refractive index. Methods for producing the optical fiber article are also disclosed, as well as methods for providing a preform for drawing such an optical fiber article.

The invention discloses a non-tillage, drought-resisting and cold-resisting planting method of winter rapes in dry land. The method includes the following steps: in spring, according to requirements of non-tillage direct sowing of the winter rapes in next season, timely performing spring sowing of corn after fertilizing, deep ploughing, raking and grinding and mulch covering, and not uncovering mulches in the whole growing period of the corn; after harvesting of the corn in autumn, cleaning cornstalks, keeping the mulches, and performing no-tillage hole sowing of the winter rapes on the mulches directly; not uncovering the mulches in the whole growing period of the winter rapes, and harvesting the winter rapes in next summer. The method specifically includes (1), cleaning the cornstalks, (2), sowing, and (3), performing field management. By the method, farming time can be saved, timely sowing of the winter rapes can be realized, soil water content and land temperature after the corn is harvested and the winter rapes are sowed are improved, seedlings are orderly and uniform and grow robustly, processes are reduced, and cost is lowered.

The invention discloses a tillage-free method for directly seeding winter wheat into a dry-land mulching film cornfield. Corns are subjected to hole sowing at proper time after fertilization, deep tillage, raking, chemical herbicide spraying and mulching film coverage are executed according to requirements of direct seeding of winter wheat in a tillage-free manner in the spring; after the corns are harvested in the autumn, the corn straws are cleared away, and the mulching film is retained, so that the winter wheat can be directly subjected to hole-sowing on the mulching film in the tillage-free manner. The tillage-free method for directly seeding winter wheat into the dry-land mulching film cornfield has the beneficial effects that density resistance and high yield mid-maturation and early-maturation corns are selected; after the corns are harvested, the soil work is reduced, and the winter wheat can be sowed at proper time; the soil water content and the ground temperature are increased when the winter wheat is sowed after the corns are harvested; seedlings are tidy consistently and grow robustly; after the corns are sowed in a full-film double-ridge trench, and the tillage-free directly sowed winter wheat can be sowed on the ridges, so that the surface area of the soil is enlarged, and the light capturing amount is increased; the phenomenon of low ventilation and light transmittance property of conventional flat planting is well avoided; the yield and the benefit are increased; the effect is obvious.

The invention discloses kitchen equipment integrating functions of oil fume absorption, oil fume purification and a cooking range. The kitchen equipment comprises a main equipment body and the cooking range. The back plate of the main equipment body extends towards the inclined top of the cooking range to form an oil fume collector; the oil fume collector is communicated with a flow channel in the back plate; the other end of the flow channel extends downwards and is communicated to a bottom cavity arranged at the bottom of the main equipment body; a purification cavity is arranged above the bottom cavity; an electric purification device is placed in the purification cavity and comprises an insulating box body; a positive electrode barrel is arranged on the bottom of the insulating box body, and a negative electrode rod penetrates through the positive electrode barrel; a positive electrode plate and a negative electrode plate are further arranged in the insulating box body, located above the positive electrode barrel and arranged at an interval; and an air fan cavity communicated with the purification cavity is arranged in the main equipment body, an air fan is arranged in the air fan cavity, and the air fan is aligned to an air outlet arranged on the bottom side of the back plate. The kitchen equipment disclosed by the invention has the characteristics of being good in oil fume purification effect, small in power, low in power consumption and cost, and convenient to mount, debug and maintain.

The invention discloses double-layer inward-retreating type printing and dyeing waste gas treatment equipment, belonging to the field of waste gas treatment. According to the double-layer inward-retreating type printing and dyeing waste gas treatment equipment in the invention, an inward bead plate is arranged, an inward-retreating elastic layer is gradually compressed under the action of exhaustgas, so more and more parts of a winding triangular blade expose out of the inward-retreating elastic layer, the capability of intercepting and winding fluff fibers is stronger, and pressure in intercepting impurities such as batting fibers by an arc-shaped filter screen is effectively relieved; and thus, under the condition of long-time use, good fluff fiber intercepting capability can still be maintained, and the situation that the interception efficiency becomes worse and worse along with the prolonging of service time is effectively avoided. Meanwhile, wind power can be blown to a double-layer filter screen, and the wind power is controlled to be variable, so batting fibers can be continuously rubbed with the winding triangular blade and are thus cut apart and loosened, cleaning difficulty is remarkably reduced, and the influence on printing and dyeing waste gas treatment efficiency is reduced.

The invention discloses a coagulation-enhanced type cyclone dedusting and demisting device, belonging to the field of waste gas treatment. The device comprises a cylindrical outer barrel and m cyclone assemblies; each cyclone assembly comprises a plurality of cyclone blades and a center cylinder, wherein the cyclone blades are evenly distributed in a ring-shaped area between the outer wall of the corresponding center cylinder and the inner wall of the cylindrical outer barrel at an inclined angle; n stages of coagulation devices are arranged in the cylindrical outer barrel at the parts among the at least one group of connected cyclone assemblies. The coagulation devices are additionally arranged among the cyclone assemblies, so that the probabilities of inertial impaction, intercept and coagulation between fine-particle dust and sprayed coagulated liquid drops are improved, the capture property of the dust is improved, the removal efficiency is increased under the condition of the same stage number of cyclone assemblies, or to say, the stage number, needed by reaching the equal efficiency, of the cyclone assemblies is reduced, and the investment and the running costs are lowered.

The invention discloses a control method for watershed agriculture non-point source pollution. The method comprises the following steps: A, establishing an ecological ditch: constructing the ecological ditch in an area to be treated according to the conditions of a water system to be treated, wherein the ecological ditch includes water blocking bars and/or water introducing openings; B, performingafforestation moisturizing and constructing a biological pond: performing moisturizing by adopting hole-shaped land preparation, a mixed mode and afforestation for cultivated land that still cannot introduce water after the step A, performing moisturizing by adopting whole-cultivation land preparation, a heightening and thickening manner of field ridges and a seeding while land preparation mode for cultivated land that can introduce water after the step A, and enabling the moisturizing area to be constructed into the biological pond; and C, performing ecological restoration along a river: constructing a plant buffer zone in a road along a river in the area to be treated by adopting a mixed mode, and increasing a water blocking depth beside a water field and the road along the river, wherein an operation sequence of the step C and the step A or the step B can be arbitrarily interchanged. Compared with the prior art, the method disclosed by the invention saves a lot of expense, can reduce a concentration of pollutants to the uttermost extent, and has stronger applicability and development prospects.

The invention discloses a loading/unloading wing ring, a loading/unloading wing ring mechanism, and a power generator, a water activator and a water activating method thereof. The loading/unloading wing ring and the loading/unloading wing ring mechanism are formed by engagement of a loading/unloading-type wing plate and a ring-shaped support. The wing plate of the mechanism is extremely light but huge in size and strong in wind-receiving capacity, so that the power-generating capacity of the large-size single machine exceeds that of a steam turbine generator. The mechanism can be built on a high tower of more than 500 meters, or suspends in the air instead of the high tower to form a suspended large-size wind turbine generator, or directly floats on the water surface to form an overwater wind turbine generator or a wind-powered aeration water activator for aquiculture. The vertical loading/unloading wing ring mechanism can receive wind from all directions and works without needing a steering mechanism. The loading/unloading wing ring mechanism can be set at the top of a building or can suspend in the air in combination with a floating-type support, is connected with the ground through multiple traction cables extending in different directions and suspends in the air above an open space, and serves as an overhead wind power station integrating the functions of power generation, communication, sun shading, rain shield and decoration.

The invention relates to a nano SiO2 modified PTFE needle blend filter material and a preparation thereof and application thereof. The nano SiO2 modified PTFE needle blend filter material is obtainedby opening, mixing, combing, lapping, pre-needling and main-needling nano SiO2 modified PTFE short fibers and fibers A. The preparation method comprises the steps of preparing the nano SiO2 modified PTFE short fibers and preparing the nano SiO2 modified PTFE needle blend filter material. The nano SiO2 modified PTFE needle blend filter material possesses excellent friction electrification auxiliaryperformance so that fine particulate matters can be effectively captured; and the nano SiO2 modified PTFE needle blend filter material has the advantages of high efficiency, low resistance, stable physical and chemical property, long service life and the like.

An encoder for providing encrypted data for transmission via a transmission medium includes an encryption unit that is configured to encrypt data received at the encoder block by block and a processing unit. The processing unit is configured to randomly distribute an encrypted data block to a plurality of channels that are allocated to the transmission medium and to provide a sub-block, which includes part of the encrypted data block, to be transmitted via one of the channels, together with a channel identification allocated to the channel and a code value that is based on the encrypted data in the sub-block to be transmitted and the channel identification, for transmission via the allocated channel of the transmission medium.

Method for distributing heliostats in a tower solar plant surrounded by a field of heliostats which reflect solar radiation on said tower. The distribution method for said heliostats consists of imitating the systems that are found in nature to maximize the collection of light (plant seeds, leaves and petals) and which is mathematically described by Fermat spirals in a number belonging to the Fibonacci series, through the placement, in polar coordinates, of each heliostat according to a radius and an angle defined by

being:

• • r_n distance from the tower (2) to the position of the heliostat n (3),
  • θ_n the angle formed by the radius r_n with the radius r_n-1,
  • n number of the heliostat (3) we wish to place,
  • c_n parameter that corresponds to the compactness index of the heliostats (3) in the plant,
  • τ the irrational limit of the golden section, i.e.,

A method for making a liquid separation membrane, including: (1) providing a polyvinylidene fluoride liquid separation membrane or polypropylene liquid separation membrane prepared by a thermally induced phase separation method as a substrate membrane, soaking the substrate membrane with water or a weak polar organic liquid to make membrane pores of the substrate membrane filled with the liquid, the soaking time being between 0.5 s and 1 min, and the weak polar organic liquid being indissolvable and compatible with the polyvinylidene fluoride liquid separation membrane or polypropylene liquid separation membrane; (2) coating a casting solution of polyvinylidene fluoride on the surface of the soaked substrate membrane obtained in step (1), and quickly soaking the substrate membrane in a coagulating bath heated to a temperature of 60-100° C. for curing to yield the liquid separation membrane.

The invention relates to the technical field of medical materials, and provides a preparation method for an antibacterial and antiviral protective material. The preparation method for the antibacterial and antiviral protective material comprises the steps of (1) adding polyvinyl alcohol and polylysine into de-ionized water of 90 to 100 DEG C, stirring and dissolving to prepare a solution A with the mass fraction of 8 to 12 percent; (2) dissolving a natural plant extracting liquid, a softening agent, and an emulsifying agent into an organic solvent to prepare a solution B; (3) slowly adding thesolution B to the solution A, and after the solution B is added completely, continuing stirring for 20 to 40 minutes to obtain a stable emulsion; and (4) performing electronic spinning on the emulsion obtained in the step (3) to prepare a protective material for isolating viruses or bacteria. The preparation method for the antibacterial and antiviral protective material solves the problems that the medical protective material in the prior art can only isolate the bacteria and the viruses, and does not have the functions of resisting the bacteria and germs.

The invention discloses a multistage tube bundle type dust removal and frog removal device and belongs to the field of waste gas treatment. The device is arranged above a spraying layer in an absorption tower and comprises n stages of tube bundle type dust removal and frog removal devices from bottom to top, and a coagulation device is arranged between at least one group of the tube bundle type dust removal and frog removal devices which are connected; the coagulation device comprises an atomization pipeline, and a plurality of atomization nozzles are formed in the atomization pipeline. The multistage tube bundle type dust removal and frog removal device disclosed by the invention, by adding the coagulation device between different rotational flow component layers, improves the probability that inertial collision, interception and coagulation occur between small granular dust and sprayed-in coagulation liquid drops, the property of being collected of dust is improved, removal efficiency is improved at the same number of stages of rotational flow components, or the number of stages of the rotational flow components required for achieving the same efficiency is reduced, and investment and operation costs are reduced.