324results about How to "Costly" patented technology

The invention relates to a decentralized control system for layering a controller. The traditional controller arranged in a plane layout manner is divided into a plurality of layers to ensure that a plurality of tasks completed by one control unit set in an original DSC (Decentralized Control System) are respectively executed by a plurality of FCUs after the function is subdivided and coordinatedby using an MCU (Microprogrammed Control Unit), thus the correspondence of the control unit and equipment is more clear, the load factor of data transmission on a backbone network is effectively reduced, the control risk is dispersed and the response speed is increased. Because the FCUs controlled in device level are placed at a site of an equipment side, the length of a cable connecting the siteequipment is reduced, and the function of realizing PID (Proportion Integration Differentiation) regulation is realized in stead of the traditional intelligent apparatus; and the site equipment is always measured by adopting conventional apparatuses. According to the invention, industrial Ethernet transmission is adopted in longer distance between the site FCUs and the MCU in a control chamber, compared with the original DCS with same control scale and distance, the control cable cost can be saved by above 60 percent, the investment cost of the site equipment is lowered, the area of the control chamber is effectively reduced, and the cost is greatly decreased.

The invention discloses a temperature controlling and charging device and a heat cost calculation method for household heating. The temperature controlling and charging device comprises a temperature collector and a controller, wherein, the temperature collector is installed in the indoor, the input end of the temperature collector is connected with an indoor temperature sensor, the output end of the controller is connected with an outdoor temperature sensor, a water supply temperature sensor, a back water temperature sensor and a water supply and back water pressure difference transmitter, the output end is connected with an electrical three way valve, the algorithm routines of an on-site parameter automatic calibration procedure and an individual household heating heat cost calculation method procedure are memorized in a second central processor in the controller, and the temperature collector is communicated with a controller; the method of the invention comprises the following procedures that: a heating parameter is calibrated on the site; a weighted value is calculated according to the heating parameter; a thermal equivalent is calculated; and the heat cost required to be undertaken by a householder is calculated. The invention reaches the target of the equal everyone before the temperature; an artificial deferred and prepaid expense is avoided, the householder influenced by an adjacent non-heating room is fully considered, the occurrence of the waste phenomenon is effectively controlled, and a fair charging of the household measurement is realized.

The invention provides a traditional Chinese medicine composition for treating colpitis mycotica, wherein the oral medicines are: 10-20 parts of viscum album, 10-20 parts of angelica, 10-20 of bighead atractylodes rhizome, 10-20 parts of motherwort, 10-20 of astragalus root, 10-20 parts of fructus zizyphi sativae, 10-20 parts of semen cuscutae, 10-20 parts of fruit of glossy privet, 10-20 of mulberry, 10-20 parts of rhizoma anemarrhenae, 10-20 of fructus rubi, 10-20 parts of Chinese magnoliavine fruit, 10-20 parts of scutellaria baicalensis, and 10-20 parts of patrinia; the external medicines are: 10-30 parts of root of Chinese pulsatilla, 10-30 parts of golden cypress, 10-30 parts of radix sophorae flavescentis, 10-30 parts of fructus cnidii, 10-30 parts of cortex dictamni, 10-30 parts of folium artemisiae argyi, 10-30 parts of clove, 10-30 parts of Chinese prickly ash, 10-30 parts of smoked plum, 10-30 parts of rhizoma smilacis glabrae, 10-30 parts of borneol, 10-30 parts of herba, and 10-30 parts of mint. The composition has fast effects of relieving itching, killing insect and degerming, strongly diminishes inflammation antibiotic property, and is high in bacteriostasis ratio, convenient for administration, easy for manufacturing and low in cost.

The invention relates to a method for lifting integrally the large structure and to the device, which mainly contains a steel pivoted wire, a fixed beam, a movable beam, a guide rail, a tool anchor, a working anchor and a jack. The steel pivoted wire crosses sequentially the working anchor, the lower- tool anchor and the upper- tool anchor from down to up; the working anchor is fixed on the bottom of the steel pivoted wire, and the lower-tool anchor is fixed on the fixed beam and the upper-tool anchor on the movable beam. The fixed beam is fixed on the supporting structure and is equipped with the jack, the top of which is equipped with the movable beam. The fixed beam connects with the movable beam by the guide rail. The execution cost with the lifting device to lift large structure is one-tenth of that with traditional lifting process, and the jack, the lifting ability of which can come up to 500t grade, is normal and acceptable to the execution company. And the device is characterized in that it is high stable, safe to worker, and the lifting speed is rapid and so on.

The present invention relates to a composite roller printing dry grain three-dimensional ceramic tile and a production technology thereof, the composite roller printing dry grain three-dimensional ceramic tile comprises, in order from bottom to top, a blank layer, a bottom glaze layer, a mold pattern layer, an anti-wear dry grain layer and a colored embossed dry grain layer, wherein the anti-wear dry grain layer comprises anti-wear dry grains, the particle size of the anti-wear dry grains is 200 to 250 mesh, the colored embossed dry grain layer comprises colored dry grains, and the particle size of the colored dry grains is 120 to 140 mesh. The mold pattern layer and the colored embossed dry grain layer are matched with each other, so that the composite roller printing dry grain three-dimensional ceramic tile has rich patterns and hierarchy; the anti-wear dry grain layer and the colored embossed dry grain layer can increase skid and wear resistance of the ceramic tile, and enhance stereoscopic impression, the anti-wear dry grain layer with the smaller the particle size is closely linked, increases the contact area with a contact substance, increases friction area, and enhances product skid resistance; and the colored embossed dry grain layer with the larger particle size increases embossing thickness and enhances the stereoscopic impression and anti-wear ability of the product.

The invention discloses a traditional Chinese medicine composition for treating senile vaginitis; the oral medicine includes: herba epimedii, angelica sinensis, rhizoma atractylodis macrocephalae, motherwort, astragalus mongholicus, peach kernel, cuscuta chinensis, fructus ligustri lucidi, mulberry, radix polygonum multiflorum, eclipta alba, raspberry, scutellaria baicalensis, dogwood, cape jasmine and ligusticum wallichii; and the external medicine includes: myrrh, radix sophorae flavescentis, fructus cnidii, oldenlandia diffusa, Chinese violet, radix stemonae, sargent gloryvine, patrinia, golden cypress, safflower, fructus kochiae, pearl and motherwort. The traditional Chinese medicine composition in the invention has androgen-like action and estrogen-like action, and can enhance resistance of senile vagina and urethra mucosa; the contained polysaccharide and general flavone components further have antioxidant and anti-aging effects. The traditional Chinese medicine composition further has the effects of clearing heat and detoxicating, killing parasites to relieve itching, and can be used for treating the senile vaginitis and relieving symptoms such as itching, and can diminish inflammation and disinfect; and the traditional Chinese medicine composition is obvious in medical effect, safe in administration, simple and good in compliance of old patients.

The invention belongs to the technical field of bridge engineering, and in particular relates to a beam bottom overhaul platform capable of spanning bridge piers and obstacle pillars and a use method of the beam bottom overhaul platform. The beam bottom overhaul platform comprises pillar spanning truss trolleys, pier pillar spanning hanging racks, hoisting systems and connecting units, wherein the pillar spanning truss trolleys comprise two pairs of truss trolleys which are positioned on the inner sides of guardrails on two sides of a bridge, are capable of moving in the direction of the bridge and are arranged in symmetry; a plurality of detachable cantilever rods stretch outwards from one side adhering to the guardrails, of each truss trolley; the pier pillar spanning hanging racks are suspended on the cantilever rods on each pair of the truss trolleys through the hoisting systems; adjacent pier pillar spanning hanging racks are connected through the connecting units; the pier pillar spanning hanging racks comprise a plurality of truss units which are arranged in the direction of the bridge; adjacent truss units are in detachable fixed connection. The beam bottom overhaul platform has the advantages of high applicability, simple operation, good security, good economic property, good application prospect and the like.

The invention discloses a presplitting type wall cutting and filling stoping method for a thin ore vein. The presplitting type wall cutting and filling stoping method for the thin ore vein comprises the steps that a presplitting hole is drilled in the interface of the thin ore vein and surrounding rock on the hanging side or heading side of the wall to be cut, presplitting blasting is conducted, the ore vein and the surrounding rock of the cut wall are blasted at different times, and ore drawing or filling is conducted independently; and all the steps are circulated till a whole ore block is extracted. Simultaneous millisecond blasting is conducted on the presplitting hole and an ore body blasted in the early stage or the surrounding rock of the cut wall, namely the presplitting hole is blasted firstly and then the ore body or the surrounding rock of the cut wall is blasted. After ore drawing (under the condition that mining is conducted firstly) or filling (under the condition that wall cutting is conducted firstly), secondary blasting of the surrounding rock is conducted for on-site filling or the ore body is blasted for ore drawing. All the steps are circulated till the whole ore block is extracted. According to the presplitting type wall cutting and filling stoping method for the thin ore vein, by introducing the presplitting blasting technique into the wall cutting and filling method, separate stoping of ore and wall rock of the thin ore vein is achieved in the true sense, the dilution rate of extraction of the thin ore vein is greatly decreased, and the probability of breakage and cost increase which are caused by excessive dilution of ore is lowered; in addition, the mineral separation technological index can be improved easily, the tailing stacking pressure is relieved, and high economic benefits and social benefits are achieved.

The invention discloses establishment of a carrier based on a fish CRISPR / Cas9 system by using a gene knockout method ad an establishing method of the carrier, and relates to a carrier based on the fish CRISPR / Cas9 system and an establishing method of the carrier, so as to solve the problems that in a conventional transgenosis method the position that transgenosis is inserted into genome is hard to confirm and potential safety hazard can be generated when external DNA is led into cells and is randomly integrated by using a microscopic injection method, an electroporation method, a sperm carrier method and the like, and the problems that a conventional gene knockout method is complex in process, high in requirement on techniques, high in expense and long in experiment period, and the success rate is limited by multiple factors. By co-ejecting two non-integrated knockout carriers, namely, pX330-MSTN a and pX330-MSTN b, into zygotes of fishes in the 1-2 cell stages, high-efficiency and rapid gene knockout can be achieved.

The invention discloses a quantum communication precise tracking system. The quantum communication precise tracking system comprises a large-stroke deflection reflector, a beam shrinking unit, a small-stroke deflection reflector, a quantum communication receiving module, a first color separation filter, a second color separation filter, a first focusing lens, a precise tracking detector, a second focusing lens and a super-precise tracking detector. After quantum light enters the beam shrinking unit through transmission of the large-stroke deflection reflector, the beam diameter shrinks, and then the quantum light reaches the small-stroke deflection reflector, is reflected through high reflectance of the first color separation filter and then enters the quantum communication receiving module at the back end, and then quantum light coding and decoding are completed; after beacon light enters the beam shrinking unit through transmission of the large-stroke deflection reflector, the beam diameter shrinks, the beacon light reaches the small-stroke deflection reflector and is reflected through high reflectance of the first color separation filter, and after the beacon light is split by means of energy of the second color separation filter, one way of light reaches the fine precise tracking detector after being focused by the first focusing lens, and the other way of light reaches the super-precise tracking detector after being focused by the second focusing lens.

The invention relates to an oxidation-reduction multi-purpose device for sulfur recovery, which is applicable to desulfurization and purifying of sulfur-bearing gas produced during the production processes of oil refining, chemical engineering, coal chemical industry, thermal power plants, etc. The oxidation-reduction multi-purpose device for sulfur recovery comprises a burning oxidation unit, a desulfurization and purifying unit, a hydrogenation reduction unit and a Claus sulfur recovery unit. The invention gets rid of a demanding oxygen-limited burning section positioned in the front part in traditional Claus reaction, which is improved into peroxide burning, and does not necessary pursue sulfur conversion rate of the Claus reaction excessively, and only needs to control the SO2 conversion rate of sulfide in the peroxide burning and the circulating load of desulfurizer in the desulfurization and purifying reaction and the deficiency-degree regenerated thereby, can achieve or exceed recovery percent and SO2 emission of lower concentration than the Claus sulfur recovery device, with adjustable concentration of emission. The oxidation-reduction multi-purpose device of the invention can produce H2S through the hydrogenation reduction unit, thus having no requirement for the concentration of H2S in the sulfur-bearing gas, flexible operation and good comprehensive processing capacity.

The invention relates to a suspension bridge cable bent tower beam non-support construction method. The method includes the steps that when tower columns of a cable bent tower are constructed to the position where a beam is preset, truss connecting pieces are pre-buried in the tower columns, and brackets are installed below the connecting pieces; the brackets are used for supporting, an operating platform is erected, and assembly of soffit formworks of the beam is completed on the operating platform; a steel truss is welded, the two ends of the steel truss are welded with the truss connecting pieces on the two tower columns respectively, a suspension system is installed on the steel truss, and the suspension system is used for lifting the soffit formworks to the bottom surface of a base plate of the beam for elevating; then beam base plate rebar binding, base plate concrete pouring, beam web rebar binding, web concrete pouring, beam crown plate rebar binding and crown plate concrete pouring are sequentially conducted, and beam pouring construction is completed. The steel truss is used as a temporary supporting and load-carrying structure in the construction process, and after the construction is completed, the steel truss becomes a part of the beam.

The invention relates to the method for groundwater pollutant hydraulic capture scheme optimization, and provides a method for hydraulic capture scheme optimization. According to the technical scheme, a groundwater pollutant hydraulic capture optimization method through orthogonal design and GMS coupling includes the following steps: (1) determining the location and the scale of a pollution source, and determining main pollutants in groundwater, (2) collecting hydrogeologic resources of a researched area, and determining hydrogeologic parameters of the researched area, (3) generalizing hydrogeologic conditions of the researched area, (4) selecting factors influencing the hydraulic capture effect by means of the orthogonal design method, (5) carrying out scenario simulation on different hydraulic capture schemes selected through the orthogonal design by means of a groundwater simulation system (GMS), (6) determining the hydraulic capture effect of the optimal scheme, and (7) determining the hydraulic capture scheme suitable for practical conditions according to the hydrogeologic conditions of a site. The method is mainly applied to water pollutant hydraulic capture.

The invention discloses a magnesium ammonium phosphate-electrooxidation integrated device and a simultaneous nitrogen and phosphorus removing method thereof and belongs to the field of wastewater treatment.The magnesium ammonium phosphate-electrooxidation integrated device comprises a magnesium ammonium phosphate-electrooxidation crystallization system and a nitrogen electrooxidation system.The magnesium ammonium phosphate-electrooxidation crystallization system comprises a reaction base and an anode B.The nitrogen electrooxidation system comprises a reaction base and an anode A.Each reaction base comprises an electrochemical instrument, a selector switch, a reference electrode, scrap iron, a cathode and a reactor, wherein the reference electrode and the cathode are connected in parallel through wires and vertically suspended in the reactor after being connected with the electrochemical instrument, the scrap iron can be suspended in the reactor through magnetic force stirring, and the selector switch is connected with the electrochemical instrument through a wire and then are connected with the anode A and the anode B in a switching mode.Just through simple electrode switching, the simultaneous nitrogen and phosphorus removing effect can be achieved, operation is easy, automatic running can be achieved, and no new pollution sources are generated.

The invention relates to a high-sensibility DNA detection method based on the gene chip of nanosized gold probe; the method is characterized in that the nanosized gold is centrifugally condensed and enriched with a low temperature and then sterile deionized water or TE (pH7.4) is used for re-suspension according to a consistency; and then the nanosized gold is added with an amount of DNA signal probes which is used for modifying hydrosulphonyl; in this way, the amount of the DNA used for modifying the hydrosulphonyl is greatly saved; after the mark is made, the mark and the detected object molecules are placed on the chip for one-step crossbreed; the capture probes of the detected DNA and the chip and the signal probes for marking the nanosized gold are used for the crossbreed at the same time; and then the chip is washed and dried after the crossbreed and improved silver stein preparation is added on the chip for silver stein color development; in this way, the crossbreed signal strength is greatly enhanced and the detection sensibility is promoted; people can observe with naked eyes or use CCD for scanning and taking pictures. The detection method provided by the invention is characterized by greatly reduced DNA probe number, high sensibility and convenient signal detection.

The invention discloses an enhanced nitrogen and phosphorus removal artificial wetland system for low carbon nitrogen ratio sewage treatment. The system comprises: an influent water distribution area,a multi-stage combined step type artificial wetland treatment area and an effluent water collection area; wherein, the influent water distribution area, the multi-stage combined step type artificialwetland treatment area and the effluent water collection area are connected in sequence; the influent water distribution area is provided with an inlet water pipe; the effluent water collection area is provided with a water outlet; the multi-stage combined step type artificial wetland treatment area is composed of multi-stage artificial wetlands, the multi-stage artificial wetlands are arranged ina stepped structure from high to low in a descending order of water flow direction. The artificial wetland system combines a vertical underflow artificial wetland system with a surface flow artificial wetland, cost is reduced on the premise of efficient removal of pollutants, a nitrogen and phosphorus removal zone is arranged in the composite vertical underflow artificial wetland, nitrogen is removed while phosphorus is removed, denitrification is especially suitable for low C / N wastewater treatment, wetland can plant landscape plants and nitrogen and phosphorus removal plants without secondary pollution and with good treatment effect.

The invention relates to a pressure resistance and pull-out resistance grouted gravel pile used for the soft ground treatment of the civil engineering and road engineering. The invention provides a technology which adopts the pressure resistance and pull-out resistance grouted gravel pile to treat the soft ground by adding an anchor pipe in the conventional gravel pile, inserting a steel bar in the anchor pipe and grouting. Compared with the conventional gravel pile, the strength of the pile body of the invention and the bearing strength of the ground are significantly increased and the pull-out resistance of the pipe body is greatly improved.

The invention discloses a post-tensioning prestress type self-centering steel frame structure. The post-tensioning prestress type self-centering steel frame structure comprises at least one structural unit. Each structural unit comprises two steel frame columns, a T-shaped steel beam, a self-centering connecting piece and friction energy consumption parts, wherein the T-shaped steel beam is used for connecting the upper ends of the steel frame columns, the self-centering connecting piece is located on the lower side of the T-shaped steel beam and used for connecting the steel frame columns, and the friction energy consumption parts are located on the lower portion of the self-centering connecting piece. Each self-centering connecting piece comprises an inner sleeve, an outer sleeve, end plates, pretensioning rods and connectors, wherein the inner sleeve is sleeved with the outer sleeve, the end plates are located at the two ends of the sleeves, the pretensioning rods are arranged in the inner sleeve and anchored on the end plates, and the connectors are connected with the ends of the inner sleeve. Each friction energy consumption part comprises an inner friction plate, an outer friction plate and a friction gasket, wherein the inner friction plate is connected with the inner sleeve, the outer friction plate is connected with the lower side face of the outer sleeve, the friction gasket is arranged between the inner friction plate and the outer friction plate, and the sliding direction of the inner friction plate and the sliding direction of the outer friction plate are arranged in the axial direction of the outer sleeve. Column space is kept unchanged when the columns are laterally deformed, and the strength, the rigidity and the ductility of the structure can be flexibly and independently adjusted and controlled in the design process.

The invention relates to a method for extracting natural pigment from walnut green hulls and using the natural pigment for dyeing and belongs to the field of natural product extraction and application. According to the method, subcritical water serves as an extraction solvent, polyphenol, flavone, anthraquinone, naphthoquinone and other natural pigment in the walnut green hulls are extracted, and a natural pigment extraction solution is directly used for dyeing cotton and wool fabric. The method has the advantages that the active ingredient extraction rate is high, no organic solvent is used in the extracting and dyeing process, the process is environmentally friendly, and products are free of pollution, safe, free of toxicity and the like. No toxic and harmful pigment ingredient is contained in dyed fabric obtained through the method, and the method is suitable for dyeing the various cotton and wool fabric and particularly suitable for dyeing infant articles for use, underwear and other articles due to the fact that the natural pigment of the walnut green hulls further has anti-bacterium activity, anti-oxidation activity and the like.

The invention discloses wheat type pig feed, which relates to pig feed and is prepared from the following ingredients in part by weight: 66.5 to 67 parts of wheat, 0 to 8 parts of wheat middling, 13 to 24 parts of soybean meal, 0 to 5 parts of extruded full-fat soybean, 0 to 5 parts of cottonseed meal, 0 to 5 parts of rapeseed meal, 0 to 1 part of fish meal, 0.52 to 0.8 part of hydrogencarbonate, 0.50 to 0.88 part of mountain flour, 0.4 to 0.5 part of soybean oil, 0.2 part of universal trace elements for pigs, 0.2 to 0.35 part of lysine, 0.01 part of flavomycin, 0.01 to 0.02 part of sweetening agents, 0.01 to 0.02 part of flavouring agents, 0.03 to 0.04 part of vitamin, 0.02 part of antioxidant, 0.01 to 0.02 part of stress inhibitors, 0.01 to 0.02 part of phytase, 0.02 to 0.04 part of choline, 0.10 part of compound enzyme, 0.02 part of wheat enzyme, 0 to 0.10 part of avaulta acid, 0.22 to 0.30 part of common salts and 0.02 to 0.05 part of baking soda. The wheat type pig feed has the advantages that the pig body quality can be improved to a great degree, the application range is wide, and the cost is low.

The invention discloses an electric vehicle group scheduling method based on load classification. The method comprises steps of carrying out load prediction and electric vehicle behavior prediction; establishing a charging type electric vehicle load group scheduling objective function and a charging type electric vehicle load group scheduling constraint condition in G2V and V2G modes; optimizing the economic benefit of the power exchange type electric vehicle load aggregator in the G2B mode and the economic benefit of the power exchange type electric vehicle load aggregator in the B2G mode tothe maximum, and establishing a power exchange type electric vehicle load group scheduling objective function and a power exchange type electric vehicle load group scheduling constraint condition in the G2B mode and the B2G mode; determining an electric vehicle load classification scheduling method and charging and discharging schemes for rechargeable electric vehicle batteries; adopting a batterycharging, discharging and battery replacing scheme of the battery replacing type electric automobile; and enabling the aggregator to purchase and sell electricity from the power grid and optimizes the economic benefit of the aggregator. According to the method, the potential of the demand side is fully excavated, and certain guiding significance is achieved for large-scale electric vehicle accessto the power grid in the future.

In a system for ascertaining a bearing state and in a method for ascertaining a bearing state of a bearing of an electric machine, a measurement value (21) is ascertained by means of a sensor unit (20). The measurement value is transmitted to a simulation unit (22), wherein a result value (23) is ascertained by means of the simulation unit (22), wherein the result value is in particular a bearing-current value or a value that is dependent on the bearing current. The result value (23) can be transmitted to a further unit (24).

The invention discloses a seam structure of a prefabricated sectional type concrete bridge and belongs to the field of bridge engineering. On the basis that a conventionally-used formwork is basically not changed, protruding blocks and corresponding grooves are prefabricated at the two ends of each section, and hole channels of connecting reinforcing steel bars are reserved in each protruding block. After the sections are spliced, the connecting reinforcing steel bars penetrate into the reserved hole channels and anchored. The section connecting portions are squeezed tightly, a seam between the prefabricated sections is high in shearing strength, the bending performance of a bridge body is enhanced, and cracking of the bottom of the seam is delayed. Even though a crack appears, the crack can be effectively prevented from being expanded through the connecting reinforcing steel bars, and therefore the bearing capacity of the bridge body is improved. Compared with the prior art, the structure is convenient to construct, the integrality of the bridge established through the structure is good, and the mechanical property of the seam is greatly improved.

A plasma processing chamber (200) is provided. The plasma processing chamber includes a bottom electrode (144) configured to support a substrate (146) and a top electrode (142) located over the bottom electrode. The plasma processing chamber further includes a plasma confinement assembly (173) designed to transition between a closed orientation and an open orientation. In the closed orientation, the plasma confinement assembly defines a first volume (145) for plasma during processing, and in the open orientation, the plasma confinement assembly defines a second volume during processing which is larger than the first volume.

The invention discloses a method for glidingly constructing a large-span special-shaped heavy steel girder on a super high-rise roof. The method comprises the following steps of mounting a slide way pre-buried component; lifting a frame body by a tower crane; erecting a supporting frame body; assembling the steel girder section by section; welding a two-roof truss connecting rod; detaching a girder bottom support and a jig frame; mounting a slide way and a propeller; mounting a hydraulic control system; debugging a propeller control system; glidingly moving the steel girder to a designed position; correcting the position of the steel girder; welding supporting feet to the two sides of the steel girder; glidingly moving the third steel girder according to the above steps; detaching the slide way and a propeller system; detaching a steel girder supporting frame body. The method has the beneficial effects that due to the adoption of the construction technology that steel structures are lifted to a roof section by section by the tower crane, the steel girder is welded and assembled on the roof, and the whole steel girder is glidingly moved, the problem that a large component cannot be lifted by the tower crane at high altitude is solved.

The invention discloses a preparation method of linen flat-strip fabric. The preparation method comprises the following steps that raw flax with a disintegration degree larger than or equal to 250 count is selected and made into linen roving; bio-enzymatic treatment is conducted, and degumming treatment is conducted on the linen roving; the linen roving treated with bio-enzymes is made into linen S twist yarn and linen Z twist yarn, and the count of both the linen S twist yarn and the linen Z twist yarn is 36 metric count; the linen S twist yarn is put into a humidification storehouse for humidification curing; warping and drawing-in treatment is conducted on the linen Z twist yarn in sequence; the linen Z twist yarn is regarded as warp yarn, the linen S twist yarn is regarded as weft yarn, a loom is used for weaving, and fabric dyeing is conducted on woven gray cloth to obtain the linen flat-strip fabric. According to the preparation method, the prepared linen fabric has the advantages that dyeing is even, colors are beautiful, and the design and color and the cloth type are novel and fashionable.

The invention discloses multiplex PCR (polymerase chain reaction) detection primers for avian leukosis viruses. The primers comprise detection primers for detecting subgroup A, subgroup B and subgroup J of avian leukosis viruses. The inventional also discloses a reaction system and reaction conditions of multiplex PCR. The detection method provided by the invention has the advantages of being rapid, accurate and cheap.

The invention belongs to the technical field of stove repair, in particular to a method for repairing a crown brick of a large wall of a combustion chamber of an internal-combustion stove, which comprises the following steps of: removing the combustion chamber and a checker brick, preserving the large wall, removing the damaged crown brick on the large wall, digging a groove at the damaged part of the crown brick; fixing a crown brick insulation layer in the groove of the large wall by using a high-temperature adhesive to enable the crown brick to be combined with the large wall together; and building a new combustion chamber and a new checker brick and enabling an expansion gap to be formed between the crown brick and the combustion chamber. The invention can improve the effect of locally repairing the stove while the damaged combustion chamber and the damaged checker brick are replaced in the stove, can prolong the service life of the locally repaired stove, and can save the cost and shorten the off-production repair time.

The invention is a windband-based home IPTV video-on-demand (VOD) wireless multichannel transmitting system, belonging to the field of electronic information technique, comprising: computer, video transmitting server end, client end data box, TV sets, and remote controllers, where the computer processes request of each terminal remote controller, and according to the request, searches media in network or itself, and then decodes and compresses the media into united digital audio-video data stream; the video transmitting server end modulates the data from the computer and wirelessly sends the modulated data to the client end data box and wirelessly receives request information from the client end data box and send the request information to the computer for processing; the client end data box demodulates the video data coming from the video transmitting server end into analog video signals for the TV set and receives signal from the remote controller and wirelessly modulates the signal to send to the video transmitting server end. And the invention can provides different services for multiple TV sets by a computer through wireless digital transmission at the same time.

A toilet is disclosed which has muiltiple branches of rim flow. The branches each enter the rim at an angle, and then flow varied distances around the rim. The flow preferably has a main path at aboutthe five o'clock / seven o'clock position, a secondary large flow at about the one o'clock / eleven o'clock position.