85results about How to "Reduce technical effect" patented technology

A method for transmitting channel quality instruction, a device and a system thereof are disclosed. The method comprises the following steps: a carrier wave subset needing feedback of CQI information is confirmed; the carrier wave subset is composed of at least one carrier wave in a multiple carrier wave system; a terminal adopts at least one carrier wave to feedback the confirmed CQI information in the carrier wave subset. Furthermore, the carrier waves in the carrier wave subset can feedback the CQI information within a preset time period. The embodiment of the invention can achieve the technical effects that the terminal sends the channel quality instruction to a base station and saves CQI feedback information in the multiple carrier wave system.

The invention relates to a synthetic method for polyoxymethylene dimethyl ether, and mainly overcomes the problem of relatively high cost in a conventional method for synthesizing polyoxymethylene dimethyl ether by using trioxymethylene as a raw material. The synthetic method takes use of methanol, methylal and paraformaldehyde as raw materials, wherein a mass ratio of methanol to methylal to paraformaldehyde is 0-10 : 0-10 : 1; and the usage amount of methanol and methylal is not zero at the same time; and the raw materials are contacted with a catalyst under a reaction pressure of 0.2-6 MPa to produce polyoxymethylene dimethyl ether (CH3O(CH2O)nCH3), wherein the used catalyst is selected from activated carbon. By adopting the above technical solution, the problem is overcome relatively well; and the synthetic method can be used for industrial production of polyoxymethylene dimethyl ether.

The invention relates to the technical field of electronics, discloses an electronic device protective sleeve, an information processing method and an electron device, and aims at solving the technical problems that electronic device reception touch-control touch control is relatively long in consumed time when an electronic device protective sleeve protects an electronic device in the prior art. The electronic device protective sleeve comprises a shell and an electric conductive material, the shell comprises a first zone and a second zone different to the first zone, and the electric conductive material is arranged at the bottom of the second zone. When the electronic device protective sleeve is arranged at the external of the electronic device for protection and touch control operation exists in the second zone, the electronic device is capable of acquiring touch control operation corresponding to touch control operation through the electric conductive material and further executing the control instruction corresponding to the touch control operation.

The invention relates to a wear-resistant and thermally stable alumina coating carrier, which mainly solves the technical problem that an alumina coating is severely worn and even cracked and stripped under the action of a high temperature and water-vapor-containing air flow for a long time in the prior art. The alumina coating of the wear-resistant and thermally stable alumina coating carrier comprises at least one of gamma-Al2O3, delta-Al2O3 and theta-Al2O3 serving as a main body, at least one of samarium, thulium, yttrium, niobium, thorium, lanthanum, cerium and the like serving as a stabilizer, and at least one of calcium silicate, magnesium aluminate, zirconium aluminate, wollastonite, diopside, perlite and clay serving as an auxiliary agent, and a kernel is at least one carrier of alumina, silica, cordierite, spinel, sillimanite, andalusite and kyanite. Through the technical scheme, the problem is well solved, and the invention can be used for the industrial production of preparing the wear-resistant and thermally stable alumina coating carrier.

The invention discloses a novel method for reducing generation of malodorous gases in a breeding farm. The method has the advantages of being simple in production, low in using cost, significant in effect and the like and is beneficial for solving the present existing pig breeding environment pollution problem. The method has the advantages that the synergistic effect of compound Chinese herbs and probiotic fermentation and the strong adsorption effect of an adsorbent are fully utilized, more than 10 kinds of malodorous gases such as NH3, H2S and CH4 in the breeding farm can be effectively removed, and the deodorant effect is good; by adopting the mode of combining a solid deodorant with a liquid deodorant, not only can the control area be increased through the liquid deodorant, but also major control can be conducted on a serious contaminated region through the solid deodorant, and both effectiveness and convenience are achieved; the deodorants are high in infiltration capacity, and therefore the defect that traditional deodorants cannot make full contact with livestock and poultry manure due to the fact that the traditional deodorants are poor in permeability is overcome; the safety is higher, the effect can be continuously achieved for a long time, the maintaining capability is good, and no bad influence is caused to microbial activities in the breeding farm.

The present invention relates to one kind of oxide catalyst for dehydrogenating ethyl benzene to prepare styrene and aims at raising the styrene selectivity and stability of catalyst and reducing toluene as the side product. The technological scheme of the present invention includes adding the combined oxide of Zr, Sn and at least one of Ca, Mn and W into the Fe-K-Ce-Mo catalyst system. The catalyst system may be used in the industrial production of dehydrogenating to produce styrene.

The invention belongs to the technical field of sealants, and particularly relates to a silane-blocked polyether sealant and a preparation method and application thereof. The sealant is prepared from,by mass, 10-35% of silane-blocked polyether, 10-30% of a plasticizer, 45-60% of solid powder, 1.0-2.5% of a water removal agent, 0.5-2.0% of a coupling agent, 0.5-3.0% of an accessory additive and 0.05-1.0% of a catalyst. The silane-blocked polyether sealant prepared by using the method is uniformly dispersed, moderate in strength, high in elongation rate, high in elastic recovery rate, excellentin adhesion, environmentally friendly, high in biocompatibility and capable of meeting market requirements in the assembly type construction industry.

The multiple fire hole flame-free ceramic burners is used in flameless combustion industrial furnace and kiln, especially hot blast stove for iron making blast furnace. The multiple fire hole flame-free ceramic burner has two outer ring gas channels. After air through the air inlet and gas through the gas inlet enter the air preheating ring channel and the gas ring channel, gas and air are preheated in between two ring channels before jetting to the mixer for mixing and jetting through the combustion nozzle to combust. The gas ring channel has guide bricks for homogeneous distribution of gas. The present invention has unique structure, small size and great power, and is suitable for various kinds of hot blast stove with heat accumulator.

The invention relates to the technical field of mechanical transmission, in particular to a multistage speed changing device. The multistage speed changing device comprises a power input shaft, a middle transmission body and a power output shaft, wherein a driving stepped gear is arranged on the power input shaft, a driven stepped gear matched with the driving stepped gear is arranged on the power output shaft, and one driving gear in the driving stepped gear is in meshing transmission with one corresponding driven gear in the driven stepped gear through the middle transmission body. The middle transmission body comprises a transmission shaft capable of radially moving, wherein a transmission gear is fixedly connected onto the transmission shaft, and the axes of the power input shaft, the transmission shaft and the power output shaft are parallel. The multistage speed changing device is simple in structure, stable in transmission and convenient to control.

The invention discloses a detection device for the content of heavy metals in soil. The detection device comprises a soil treatment mechanism and a colorimetric mechanism matched with the soil treatment mechanism; wherein the soil treatment mechanism comprises a pedestal plate; two support plates are fixedly mounted at the top end of the pedestal plate; the top ends of the support plates are welded with horizontally-arranged first support blocks; first connecting blocks are fixedly mounted on the first support blocks; a crushing cylinder is fixedly mounted between the first connecting blocks;a first end cover is mounted at the top end of the crushing cylinder through screws; a rotating rod is rotationally mounted in the middle position of the first end cover; and the bottom end of the rotating rod extends to the interior part of the crushing cylinder. The detection device is novel in structural design, perfect in functions, obvious in effects, simple in detection method, convenient tooperate and low in technicality, can adapt to different groups of people, is worth being popularized, and can be operated by even non-professional personnel, thereby being able to be sold to and usedby ordinary people.

The invention discloses a buried point test feature obtaining method and a related device. The buried point test features can be obtained locally at a client. The method comprises the steps of obtaining burying point test data of an APP in response to triggering of a test operation on the APP running on terminal device in a test period; establishing a local database by utilizing the buried point test data; and obtaining buried point test characteristics in the test period by utilizing at least two of the trigger serial number, the type and the name of the buried point in the database. The buried point test efficiency and the operation convenience of test personnel are improved, the technical capability requirement and the operation complexity degree of personnel executing the buried pointtest are reduced, the real-time performance of obtaining buried point test characteristics is very high. Meanwhile, the economic overhead is reduced, and the method is very practical.

The invention discloses a building stair pedestrian volume estimation system based on a multi-dimensional MEMS inertial sensor to meet the requirement for stair safety real-time monitoring. In combination with the geometric dimension, the material engineering, the structural characteristics, the connection mode and the use condition of the staircase, proper contact acquisition points of the multi-dimensional MEMS inertial sensor are selected, the pedestrian flow load of the staircase is estimated through the multi-dimensional contact MEMS inertial sensor data monitored in real time, the safetydegree is evaluated, and early warning is carried out in time. The stair monitoring and evaluation system is composed of the following subsystems: a multi-dimensional MEMS inertial data acquisition subsystem, an infrared image calibration subsystem, a wireless data transmission subsystem, a multi-dimensional data processing subsystem and a stair vibration mode identification and load estimation subsystem. According to the method, machine learning based on a building stair structure vibration response mechanical model is carried out after certain feature processing by using a small stair vibration sample amount, and building stair pedestrian volume modeling and load estimation are carried out by using the machine learning model.

The invention provides an air conditioner cleaning control method and an air conditioner. According to the method, a first pressure value between a heat exchanger and a filter screen and a second pressure value at an air inlet grid are obtained so as to carry out self-cleaning on the filter screen under the condition that it is judged that the filter screen meets a preset self-cleaning condition based on the first pressure value and the second pressure value. Based on the method, the amount of dust accumulated on the filter screen is judged according to the obtained first pressure value and the second pressure value, so that the filter screen is self-cleaned when a certain condition is met; and compared with the prior art in the fields of smart home, intelligent household appliance, intelligent air conditioner and the like, the technical effects that the filter screen is cleaned in time, and meanwhile cleaning procedures are reduced are achieved, manual operation of a user is not needed, and the intelligent level of the air conditioner is improved.

The invention relates to a composite type soft sealing method which mainly solves the problem that the sealing effect is poor in the prior art. According to the composite type soft sealing method, a composite type soft sealing device is adopted to seal the space between a floating pan and a tank wall of a storage tank and comprises an elastic foam filling rubber bag, a liquid filling rubber bag, elastic foam and a fixing pressure board, the elastic foam filling rubber bag is arranged in the space between the tank wall and the floating pan of the storage tank, the face, making contact with the tank wall, of the elastic foam filling rubber bag is a zigzag surface, and the elastic foam filling rubber bag is filled with the liquid filling rubber bag and the elastic foam. The technical scheme that the space between the liquid filling rubber bag and the tank wall of the storage tank is at least filled with the elastic foam well solves the problem that the sealing effect is poor in the prior art, and the composite type soft sealing method can be used for sealing of floating roof storage tanks.

The invention provides a building drainage collection system. The building drainage collection system comprises a drainage pipe assembly, a transverse pipe drainage assembly communicating with the drainage pipe assembly, and a water seal assembly communicating with the transverse pipe drainage assembly, wherein the interior of the transverse pipe drainage assembly is of a flat cavity structure, and the bottom surface of a cavity of the transverse pipe drainage assembly is obliquely arranged. According to the building drainage collection system, the flat transverse pipe drainage assembly is adopted to be connected with the drainage pipe assembly and the water seal assembly, so that the occupied space is small, and the technical effect of sewage and wastewater drainage can be achieved without lowering a floor slab layer.

The invention provides a toilet drainage collection system. The toilet drainage collection system comprises a drainage pipe assembly, a transverse pipe drainage assembly communicating with the drainage pipe assembly and a water seal assembly communicating with the transverse pipe drainage assembly, wherein the drainage pipe assembly comprises a first water inlet pipe, a second water inlet pipe, afirst vertical pipe and a second vertical pipe, the first water inlet pipe and the second water inlet pipe are connected, the interior of the first water inlet pipe communicates with the interior of the second water inlet pipe, the inner edge of the second water inlet pipe is tangent to the inner edge of the first water inlet pipe, the first water inlet pipe is connected with the first vertical pipe, the interior of the first water inlet pipe communicates with the interior of the first vertical pipe, and a pipe wall cavity with an expanded volume is arranged at the communication part between the second water inlet pipe and the first water inlet pipe. According to the toilet drainage collection system, due to the fact that the pipe wall cavity with the expanded volume is arranged in the drainage pipe assembly, the curvature radius of wall-attached rotational flow of sewage of the drainage pipe assembly is increased, and it is guaranteed that the wall-attached rotational flow of the sewage can be achieved.

The invention relates to a magnet force device, particularly to a magnet differential type electric permanent magnet device. The device is free from yoke, the magnetic resistance is very small and the magnetic attraction force is very big. Compared with the prior art, the yoke-free structure can generate the remarkable beneficial technical effect, thus the magnet in the same size can relatively generate bigger magnetic attraction force; and the self-gravity is little and the price is low. The device can be applied to the industries such as an electromagnet, a relay, a contactor and a hoisting magnet. The device makes the magnetism of the magnetic pole of an aluminum nickel cobalt magnet 4 change to keep the step of that of the magnetic pole of adjacent neodymium iron boron magnet 3 by charging in positive and reverse directions according to the requirement, thus the pole shoes 7, 8 have the magnetic attraction force; or the magnetism is different, thus the pole shoes 7, 8 are free from the magnetic attraction force. At the moment of adjusting the polarity of the aluminum nickel cobalt magnet 4, the iron magnet material is attracted or the iron magnet material is not attracted with low power consumption, more than 90% of the power can be saved based on the primary measurement and calculation.

A large area array infrared detector composite splicing method can realize a large field of view seamless coverage effect; the method is based on small scale area array units; when two detectors have adjacent corners, one pixel is overlapped on the chessboard line transverse line direction; another group is arranged according to chessboard grid black grid arrangement, when two detectors have adjacent corners, one pixel is overlapped on the chessboard line vertical line direction, thus finally forming two complementary overlapping detector assemblies; the method also comprises the following steps: using an optical splicing method and a light splitting prism to divide two optical paths, and placing the two detector assemblies on the conjugate image surface of the two optical paths, thus collecting images in the same field of view; finally carrying out data processing for the two images, and realizing mutual complementation. The method can basically eliminate an imaging blind zone caused by a conventional splicing mode, thus directly reducing the non coverage rate to the technology limited level; the method is high in coverage rate, and can satisfy large field of view, high resolution and seamless splicing application demands of the large area array infrared detectors.

The invention is applicable in the technical field of security and provides a communication method for a network audio / video monitoring system. The method comprises the following steps that: A, a user side accesses into a cloud service side and transmits audio / video data subscription demand information to the cloud service side and the cloud service side transmits information for confirming subscription success to the user side after receiving the subscription demand information, wherein the user side is a registered user of the cloud service end; B, the cloud service side controls the corresponding audio / video equipment side to transmit the subscribed audio / video data to the user side according to the subscription demand of the user side and the audio / video equipment side transmits information for confirming that the subscription demand is received, wherein the audio / video equipment side is an audio / video data providing side authenticated by the cloud service side; and C, the audio / video equipment side directly transmits the subscribed audio / video data to the user side. A network audio / video monitoring framework is constructed on a cloud computation platform, network video monitoring application based on a user using charging mode is realized flexibly and conveniently.

The invention relates to the technical field of converter steelmaking, in particular to a method for controlling converter bottom blowing gun exposing. The method includes the steps that in the converter steel tapping process, the bottom blowing flow of a bottom blowing gun to a converter is controlled to range from 500 m<3> / h to 600 m<3> / h; slag splashing protection operation is carried out on the converter; and after slag splashing protection operation is finished, the bottom blowing flow of the bottom blowing gun is decreased to 150 m<3> / h to 200 m<3> / h. According to the method, the large bottom blowing flow ranging from 500 m<3> / h to 600 m<3> / h is adopted in the converter steel tapping process; meanwhile, after the slag splashing protection operation is finished, the bottom blowing flow of the bottom blowing gun is decreased to 150 m<3> / h to 200 m<3> / h, and therefore a low-melting-point mushroom head can be formed above the bottom blowing gun, in the converter blowing earlier stage, the low-melting-point mushroom head above the bottom blowing gun can rapidly melt, exposure of the bottom blowing gun is guaranteed, the bottom blowing effect is accordingly improved, and the converter terminal carbon-oxygen equilibrium is reduced.

The invention relates to the technical field of biologic pharmacy, and discloses a method for removing pertussis component pilin 2 / 3 endotoxin. The method comprises the steps that after bordetella pertussis is fermented and cultured, thalli are centrifugally collected, thalli are extracted through a urea phosphate buffer solution, a supernate is centrifugally collected, and PEG-8000 and ammonium sulfate are used for performing precipitation; precipitates are extracted by the phosphate buffer solution, then, a supernate is centrifugally collected, a Q-Sepharose chromatographic column is adoptedfor processing, and a phosphate buffer solution containing sodium chloride is adopted for eluting the Fim 2 / 3 component. By combining PEG8000 precipitating, ammonia sulfate precipitating and Q-Sepharose chromatographic column processing are combined, endotoxin in pilin 2 / 3 is removed through repeated means, on the premise of not introducing allogenic materials, the effective ingredient Fim 2 / 3 biologic activity and recycling rate are kept, and meanwhile the endotoxin in Fim 2 / 3 can be removed to 10 EU / mg or lower.

The invention relates to an efficient deinking agent for mixed waste paper, and mainly solves the problems of poor deinking effect and serious environmental pollution in the prior art. The efficient deinking agent for the mixed waste paper comprises the following components in parts by weight: 15-25 parts of polyoxyethylene fatty alcohol sodium sulfate, 15-25 parts of alkylphenol polyoxyethylene, 10-15 parts of Twain-80, 25-30 parts of sodium dodecyl benzene sulfonate, 10-15 parts of attapulgite, 5-10 parts of anhydrous sodium metasilicate, 5-10 parts of ethylenediamine tetraacetic acid. By adopting the technical scheme, the problems are well solved, and the efficient deinking agent can be used for waste paper recycling.

The invention discloses rice cake premix flour. The flour is characterized by comprising raw materials in parts by weight as follows: 150-250 parts of rice flour, 100-150 parts of low gluten wheat flour, 10-20 parts of yam flour, 10-15 parts of cyclodextrin, 20-30 parts of sweet potato starch, 5-10 parts of adonitol, 5-10 parts of lactitol, 3-8 parts of hawthorn flour, 5-10 parts of barley grass flour, 5-10 parts of barley leaf flour and 20-40 parts of ingredients. The invention further discloses a preparation method of the rice cake premix flour and rice cake prepared by the rice cake premixflour. The rice cake premix flour is high in nutritive value and good in taste, rice cake premix flour is simple, convenient and safe to prepare the rice cake, success rate is high, and the prepared rice cake has the advantages of soft and delicate taste.

The invention discloses a method and device for identifying the weed type and a method for determining pesticide application information. The method for identifying the weed type comprises the steps of determining peripheral areas of a target area; selecting an area from the peripheral areas according to preset rules to serve as a sub-area; and determining the weed type of the target area according to weed type information in the sub-area. The method solves the technical problems of pesticide waste and low weeding efficiency caused by the inability of identifying the weed type and weed distribution in the process of spraying a pesticide by using automatic pesticide spraying equipment.

The invention relates to a strong-basicity graphene composite ion exchange resin material and a preparation method thereof. A matrix and graphene in the strong-basicity graphene composite ion exchangeresin material are combined in a covalent bond form. The technical scheme adopted by the invention is as follows: the strong-basicity graphene composite ion exchange resin material comprises the following components in parts by weight: (a) 75-90 parts of a polymeric monomer; (b) 5-15 parts of a comonomer; and (c) 0.1 to 10 parts of a graphene-styrene derivative compound. According to the technical scheme, the thermal decomposition temperature and the swelling resistance of the composite ion exchange resin are well improved, and the method can be applied to industrial production and application of strong-basicity composite ion exchange resin materials in the future.

The invention relates to a hydrogenated modification method for a petroleum wax substance, which comprises the following steps of: fully mixing the petroleum wax substance serving as a raw material and hydrogen in a gas-liquid mixer through a heating furnace, then making the mixture contact a hydrogenation catalyst in a low hydrogen-wax volume ratio under mild process condition, and performing the conventional hydrogenation reaction. Compared with the conventional hydrogenation process, the method can achieve the same effect as the conventional refining under the mild process condition. The method can produce high-quality paraffin products of various brands, and has the advantages of simple process flow, stable operation, good product property and capabilities of reducing the energy consumption of a device, improving the product yield and newly building a hydrogenation device or reforming an old device.

The invention discloses a limnopernafortunei killing pool device and a killing method. The device comprises a water inlet pool section, attachment-sedimentation killing pool sections, a sedimentation killing pool section and a water supply pool section which are sequentially connected in a penetrating mode. Each attachment-sedimentation killing pool section comprises an upper attachment area and a lower sedimentation area. Each attachment area is a water flow channel and comprises at least one attachment net, the net face of each attachment net is a gauze element which is of a small-diameter single-wire structure, the diameter of each net wire is 0.1-0.5 mm, and the hole diameter of each net hole is 1-10 mm. Each sedimentation area is a water purification environment. Due to limitation of the diameter and the hole diameter of the thin wires, enough attachment area can be provided for limnopernafortunei larvae, however, the bodies of limnopernafortunei adults cannot be supported sufficiently, and the adults can fall off naturally. Hence, the process of killing the limnopernafortunei adults after an attachment row is taken out from a pool is omitted, the killing pool device with the limnopernafortunei attachment-sedimentation killing pool sections can continuously operate without being interrupted, and meanwhile the operating cost of the device is lowered.

The invention discloses self-fermented cereal refined powder which belongs to the technical field of food processing. The self-fermented cereal refined powder comprises the following components in parts by weight: 60-70 parts of basic powder, 10-15 parts of sticky rice powder, 10-15 parts of soybean meal, 1-2 parts of yeast, 1-2 parts of sodium bicarbonate and 1-2 parts of citric acid, wherein the basic powder is extruded corn cooked powder, a mixture of buckwheat meal and extruded corn cooked powder, extruded black rice cooked powder, barley grass powder or purple sweet potato powder. According to the self-fermented cereal refined powder, white wheat meal is added into the self-fermented cereal refined powder to take the place of white self-fermented wheat meal, the reasonability of dietary pattern of people is improved because of the nutrient components of cereal, the hard and dry and tough taste of a conventional cereal product is changed, a user can select the ratio and the varieties of the powder according to demands, moreover the on-way transportation cost is saved as the powder can be purchased at a local place, meanwhile the self-fermented cereal refined powder has the advantages that the use is convenient and the speciality, the technicality and the failure rate in pastry making can be greatly lowered.