372results about How to "Free from influence" patented technology

The invention belongs to the technical field of environmental monitoring and particularly relates to a multi-component atmospheric environment gridded monitoring instrument. The invention aims to solve a problem that traditional atmospheric monitoring equipment has the disadvantages of a large volume, a high price and complex installation and maintenance and is difficult in satisfying higher and higher monitoring requirements. The invention provides the multi-component atmospheric environment gridded monitoring instrument which comprises a box body, a box body upper cover, a solar panel, a solar cell charging management unit, a storage battery, a switch power supply, a motherboard, a GPRS transmission module, a GPRS antenna, a GPS module, a partition switching board, a temperature and humidity sensor, a shield, an inlet humidity control unit, an air guidance fan, a PM2.5 sensor, a PM10 sensor, a gas sensor unit, and a meteorological station. Compared with the traditional atmospheric monitoring equipment, according to the atmospheric monitoring instrument, the reasonable model selection is carried out in various sensors, the humidity conditions measured by the sensors are controlled, and thus the sensors have the advantages of high accuracy, good stability, and high contrast in atmospheric gridded distribution site monitoring.

The invention discloses a microbial seal-healing capsule for coal mine air leakage plugging as well as a preparation method and application of the microbial seal-healing capsule. Dry powder of bacterial spores is uniformly dispersed in water, a suitable substrate is selected according to the kinds of the bacterial spores, the substrate is added into a uniformly-dispersed mixed solution according to a certain ratio of the bacterial spores to the substrate and is uniformly stirred to be agglomerated, the agglomerated mixture is slowly added into a multifunctional granulator and is extruded, a cooling system is started, the temperature of the material is maintained, and the extruded strip-shaped substance is added into a rounder for rounding and is sieved and dried to obtain microparticles; and the microbial seal-healing capsule is prepared from the microparticles and a wall material by using a vacuum impregnation method or an interfacial polymerization method, the microbial seal-healingcapsule and a main material for air leakage plugging are mixed to be used, once concrete is cracked, the spores inside the material can be activated to normally metabolize, and calcium carbonate is continuously induced to be precipitated, so that the self-repair of cracks is realized.

The invention relates to a dynamic separated contagion room, which is formed by patient room, buffer room, and toilet, with sealing space, wherein it has 60-80n / h exhaust times, 6-8m3 buffer room, and common door; the top plate over the operation position is arranged with main flow area wind let; the inner side of bed head is arranged with reflux open of non-leakage high-efficiency filter; the top plate of buffer room is arranged with wind inlet; the lower part of wall plate is arranged with reflux inlet; and the whole space is arranged with external feeding and exhausting wind tube. The invention has the advantages that: it uses dynamic separate technique, without expensive sealing door and high-passive pressure separation. And it uses non-leakage high-efficiency filter to reflux wind without air conditioner.

The invention discloses underfill with low viscosity and low linear expansion coefficient for flip-chip packaging, which is prepared with the following raw materials by weight percent: 0-28.6 percent of bisphenol-type epoxy resin, 0-28.6 percent of organosilicon modified epoxy resin, 0.57-15.4 percent of toughening agent, 16.3-84.2 percent of alicyclic epoxy resin, 0.57-15.4 percent of latent curing agent, 0.55-5.56 percent of accelerator, 0.55-5.56 percent of surfactant, 0.57-27 percent of coupling agent, 7.4-66.7 percent of inorganic filler and 0-7.9 percent of pigment. With the ratio of the components, the invention overcomes the defects of the existing underfill, and has the advantages of: (1) high stability in the storage period; (2) low viscosity and good fluidity, wherein the viscosity is 1000-2000 centipoises; (3) low linear expansion coefficient (20-40ppm per DEG C); (4) high curing speed, wherein the underfill can be cured for 130 degrees within 5 minutes; (5) high shear strength (15MPa) and the like.

The invention relates to a preparation method of more stable vitamin A microcapsules, comprising the following steps of: firstly, preparing a vitamin A oil solution containing an antioxidant from vitamin A and the antioxidant in the absence of oxygen, adding chitosan and stirring evenly, after stirring fully, filtering and removing the chitosan to obtain the vitamin A oil solution; adding octenyl succinic acid modified starch to purified water deaerated by a thermal spray deaerator, heating for dissolution; mixing the prepared octenyl succinic acid modified starch solution and the vitamin A oil solution in a certain proportion, emulsifying quickly by an on-line emulsifying machine, and instantly cooling by a cooler; and performing hot air spray drying on the emulsion to obtain stable vitamin A microcapsules. The storage life of the product prepared in the invention reaches two years.

The invention relates to a sealing assembly for sealing a rolling bearing, in particular a wheel bearing, between a first (30, 32) and a second bearing part (32), wherein both bearing parts are rotatable relative to each other and form both an axial intermediate chamber (61) and a radial intermediate chamber (60) in relation to a common axis of rotation, wherein the sealing assembly comprises the following: a contact part (14, 24) having a preferably hollow-cylindrical fastening piece (37, 40) for fastening and a ring-shaped contact piece (41, 43) for positioning the contact part on the second bearing part, and a carrier (39, 45) which can be fastened to the first bearing part, having an elastic part (13, 23) forming a first axial sealing lip (17, 29) and / or a radial sealing lip (19, 36). The teachings according to the invention show how the service life and the sealing performance can be increased cost-effectively. According to the invention, the contact part forms a first catch channel (12, 22) with a radially extending part of the second bearing part, wherein an end piece (34, 44) of the contact part partially defines an opening 50, 51 which leads into the first catch channel. It is thus possible according to the invention to establish a labyrinth seal as a pre-seal which contributes to sealing without additional friction losses.

Method and material for wrapping items using a wrapping material made up of separate wrapping portions of a predetermined length. The wrapping portions are attached and released at their ends using a Z-lock system including a discrete laminate. The discrete laminate of the Z-lock system holds the wrapping portions together during manufacturing but can also easily release or separate the wrapping portions at a desired point in the wrapping process. The separating of the wrapping portions exposes an adhesive that is use to securely bond at least one wrapping portion to the item being wrapped at the end of a wrapping cycle.

The invention discloses a pump structure for a urea SCR system and discloses a pump unit for a urea SCR system. A pump unit for a urea-SCR system may use a fuel pump of a vehicle engine and may have a case portion surrounding a motor portion and a pump portion. The motor portion may include a barrier wall surrounding a rotator so as to separate the rotator from a stator of the motor portion, and the pump portion includes a shield in which a suction hole and a supply hole for fluid are formed and that is disposed between the pump portion and the motor portion so as to prevent fluid from leaking into the motor portion, so the motor is protected from the urea solution to prevent corrosion thereof, manufacturing cost is reduced, and noise caused by the vibration is reduced.

The invention concerns a system for controlling a motor vehicle brakes, comprising standard functional units provided with a braking electronic regulator and a hydraulic unit in particularly fixed connection with the regulator, said electronic regulator including a redundant or partly redundant system of microprocessors with several central units (UC) and standard functional units having a controlling and regulating philosophy at least for an anti-skidding system. Said control system also comprises non-standard hardware and software functional units of an external safety system for protecting the passengers of a motor vehicle, said system being passive, that is it does not intervene directly in the vehicle dynamics. Said units are integrated in the field of the motor vehicle brake control system, ''field'' meaning that the non-standard hardware and software functional units to be integrated are placed at least in the direct vicinity of the standard braking electronic control regulator.

The invention discloses an environment-friendly, safe and efficient paint spraying device to overcome deficiencies that the work efficiency is affected and the like due to the poor operation environment of prior paint spraying devices. A paint spraying mechanism comprises an operation mechanism capable of displacing and rotating the paint spraying mechanism. The operation mechanism comprises a paint spraying switch and an operation handle which stretches out of a paint spraying case and is capable of controlling the rotation of the paint spraying mechanism. A shelf capable of holding an object to be sprayed is arranged in the paint spraying case and comprises moving rollers. A supporting plate is arranged in the shelf and is composed of a rotation mechanism, a lifting mechanism and a supporting plate folding mechanism. The paint spraying case comprises a controller for controlling the displacement rotation of the paint spraying mechanism and the shelf. The device is used for environment-friendly, safe and efficient paint spraying of furniture and other objects, and paint spraying workers can operate the paint spraying mechanism to spray paint through the operation handle or the controller on the outside of the case and perform appearance judgment, so that the work efficiency is improved by 10%, and the paint spray efficiency is improved by 15%.

The invention relates to a preparation method of a spiropyrane photochromic optical material. The surface of the optical material prepared by adopting the preparation method is coated with a photochromic coating, the coating contains a polyurethane / spiropyrane / zinc sulfide composite multilayer photochromic material, a core of the coating is zinc sulfide mesoporous nano microspheres, an intermediate layer is a photochromic layer composed of spiropyrane compounds, and a shell is polyurethane; and the outer diameter of the composite microspheres is 50-350nm, the diameter of the zinc sulfate mesoporous nano microspheres is 30-250nm, the thickness of the intermediate layer is 5-25nm, and the thickness of the shell is 5-25nm. The optical material prepared by adopting the preparation method can become colored from colorless under ultraviolet irradiation condition, can also be rapidly faded to be colorless after ultraviolet rays disappear and has the advantages of strong fatigue resistance, good stability and high color-changing speed.

The invention discloses a photochromic nano composite microsphere and an application thereof. The photochromic composite microsphere has a three-layer composite core-shell structure, an inner core isa zinc sulfide mesoporous nano microsphere, a middle layer is a photochromic layer formed by a spiropyran compound, and an outer layer is polyurethane; and the outer diameter of the composite microsphere is 50-350nm, wherein the diameter of the zinc sulfide mesoporous nanosphere is 30-250nm, the thickness of the middle layer is 5-25nm, and the thickness of the outer shell is 5-25nm. The photochromic composite microsphere provided by the invention can be used to prepare a photochromic coating or doped into a resin optical material to prepare a photochromic material. The material can be changedfrom colorless to colored under the irradiation of ultraviolet rays, and after the ultraviolet rays disappear, the material can be quickly faded into colorless, and has the advantages of strong fatigue resistance, good stability, a fast color change speed and the like.

The invention relates to the field of concrete engineering, in particular to a microbial microcapsule anti-sulfate erosion system of structural concrete. The invention provides the microbial microcapsule anti-sulfate erosion system of underground structural concrete, which comprises a concrete matrix and microbial microcapsules inside the concrete matrix, wherein sulfate reducing bacteria and culture media suitable for the growth of the sulfate reducing bacteria are coated inside the microbial microcapsules. Compared with the prior anti-sulfate erosion method, the microbial microcapsule anti-sulfate erosion system provided by the invention has the following advantages that the intelligent control of the sulfate concentration can be realized, and the sulfate erosion degree is reduced; sulfur precipitants can be generated simultaneously with the reduction of the concentration of sulfate ions to block sulfate erosion passageways; the microcapsules can protect the internal microorganisms and culture media from the effects of the external environment, so the anti-sulfate erosion capability of the microorganisms and the culture media is effective for a long time; and large-range restoring can be realized.

The invention relates to a chip packaging structure with the electromagnetic shielding function, and belongs to the technical field of semiconductor packaging. The chip packaging structure with the electromagnetic shielding function comprises a chip of the front surface is equipped with a chip electrode, and an encapsulating body; the encapsulating body comprises an encapsulating chip; electromagnetic shielding layers are arranged on the rear surface and four side surfaces of the chip; repassivation layers are arranged on the front surface of the chip and the upper surface of the encapsulating body; repassivation layer openings which expose from the upper surface of the chip electrode are formed in the repassivation layers, positioned above the chip electrode; a re-wiring metal layer and a surface protecting layer are selectively arranged on the surface of each repassivation layer, wherein the re-wiring metal layers are connected with the chip electrode through the repassivation layer openings, and the input / output ends are arranged on the upper surfaces of the re-wiring metal layers; the surface protecting layer covers the surfaces of the re-wiring metal layers, outside the input / output end. With the adoption of the chip packaging structure with the electromagnetic shielding function, the cost and size of the packaging body are unchanged, so that the development trend of small packaging of a device is met.

The invention relates to a wiper device (10) for cleaning a vehicle windscreen, with a wiper blade (15), which is fastened exchangeably on a wiper arm (11), wherein along the wiper blade (15) an elongatedly constructed spray device (40) having several nozzle openings (50) is arranged for applying a washing fluid to the vehicle windscreen, which is constructed as a separate component from the wiper blade (15). It is provided according to the invention that the wiper arm (11) has a hood-shaped cover (20) for the wiper blade (15), which covers the wiper blade (15) over its entire length, and that the spray device (40) is arranged in the area of the cover (20).

Provided is a dishwasher, which includes a washing chamber, a sump, and a washing water pump. The washing chamber accommodates a dish. The sump stores washing water supplied to the washing chamber. The washing water pump is provided to the sump and generates suction force for circulating washing water. The washing water pump includes a washing water motor for generating driving force, an impeller part disposed under the washing water motor and rotated by the driving force, and a heating space under the impeller part. Washing water is heated by a heater in the heating space.

The invention discloses a device, a system, and a method for monitoring oil depot fuel leakage based on wireless sensing. The device comprises a measurement and control and communication module, a gas collecting device, a mechanical structure, and a power module. The measurement and control and communication module which comprises an integrated photoionization sensor and temperature sensor combination for detecting fuel volatile gas controls the gas collecting device, and detects oil gas concentration around an oil tank periodically and sends monitoring information in a wireless manner. The system and the application method use a device as a node, and a plurality of nodes are arranged around an oil tank, so as to form a detection network. Two adjacent nodes of any node in the nodes can communicate directly, and a main node on a valve region is responsible for determining abnormal information reported by the nodes and reporting the abnormal information to a monitoring center. The device, the method, and the system are advantaged in that a wireless sensor network method is used to monitor oil depot fuel leakage online and give out alarm, power of the device is supplied by a cell charged by solar energy, the device is designed and managed in low power consumption and low operating voltage, and is designed to be sealed, so as to achieve operation requirement of safe, reliable, and energy-saving.

The invention discloses a temperature and humidity measurement instrument. The temperature and humidity measurement instrument comprises a temperature and humidity sensor, an anti-radiation cover anda supporting plate. The anti-radiation cover comprises multiple cover bodies and a bottom support. The outer diameters of the cover bodies from the lower opening end to the upper opening end are gradually reduced. The cover bodies are arranged on the bottom support through lamination, a gap is formed between the cover body of the lowest layer and the bottom support, and a gap is formed between every two adjacent cover bodies. The upper opening end of the cover body of the uppermost layer is hermetically connected with the supporting plate. According to the anti-radiation cover with a lamination structure, the temperature and humidity sensor is prevented from being influenced by rainwater and sun radiation, and the cover also has good air circulation performance. Meanwhile, the wind resistance of the anti-radiation cover is small, the influence of the airflow from the sea surface can be effectively reduced, the influence on the platform posture is avoided, when the atmospheric temperature and relative humidity are measured with a small-sized sea surface movement platform, true and objective measurement data can be guaranteed, and accordingly the accuracy of temperature and humiditymeasurement is improved.

The invention discloses a dry-type wide tunnel dust settling vehicle with a water recycling function. The dust settling vehicle is provided with a moving vehicle body and is characterized in that a pressure facility, a water tank, a surrounding curtain body, a spray rod, an atomizing spray head and a waste water filter tank are arranged on the moving vehicle body at least. The pressure facility is connected with the water tank. A water inlet in the bottom of the spray rod is communicated with the water tank. A water outlet in the top of the spray rod is communicated with the atomizing spray head. The surrounding curtain body is an opening cavity with an upper opening. The bottom of the surrounding curtain body is provided with a backflow groove which is communicated with a water inlet of the waste water filter tank. A water outlet of the waste water filter tank is communicated with the water tank. The spray rod is vertically arranged in the surrounding curtain body. The dry-type wide tunnel dust settling vehicle has the advantages that spray mist and falling water can flow back into the waste water filter tank through blocking of side boards on the two sides of the surrounding curtain body, waste water is filtered and then is conveyed to the water tank for recycling. Therefore, the dry-type wide tunnel dust settling is low in water consumption and obvious in dust settling effect.

A film roll comprising a heat-shrinkable polystyrene based resin film wound into a roll, characterized in that, each of the samples taken out from the roll exhibits, in a heat shrinkage test under the condition of the immersion in a hot water at 85 DEG C. for 10 sec, a heat shrinkage rate in the main shrinking direction of within +-5% relative to an average rate of the total samples; a heat-shrinkable polystyrene based resin film taken from the roll; a heat-shrinkable label comprising the film; a method for producing the heat-shrinkable polystyrene based resin film roll which comprises using raw material chips having a specific form, or using a hopper having a specific shape for feeding raw material chips to an extruder, or limiting the variation of the surface temperature of a film in a specific production step to a specific range.

The invention discloses a preparation method of a high-molecular fluorescent microsphere. The method includes following steps: dispersing 1 part by weight of polystyrene microspheres in 0.1-1 ml of ultrapure water; adding dropwisely the polystyrene microsphere aqueous dispersion to 3-10 ml of a polydiallyldimethylamine hydrochloride solution with a concentration being 1.0-4.0 mg / ml with stirring; continuously stirring the solution for 1-4 h; performing centrifugation and removing a supernate; performing a washing process through ultrapure water; performing a centrifugation and collecting precipitate; vibratingly dispersing the precipitate in 1-2 ml of ultrapure water; adding dropwisely the polystyrene microsphere aqueous dispersion to 5-50 ml of a marked or an unmarked polysaccharide-type polyelectrolyte macromolecule solution with a concentration being 1.0-6.0 mg / ml with stirring; continuously stirring the solution for 1-4 h; performing centrifugation and removing a supernate; dispersing a precipitate in pure water; performing a centrifugation and collecting precipitate; and dispersing the precipitate in ultrapure water to obtain polysaccharide-modified fluorescent microsphere. The high-molecular fluorescent microsphere is 1-10 [mu]m in particle size, is 350-800 nm in fluorescent excitation wavelength, and has excellent biocompatibility and stability.

The invention provides a spiropyrane photochromic coating and a preparation method thereof. The coating contains a polyurethane / spiropyrane / zinc sulfide composite multilayer photochromic material; aninner core of the coating is a zinc sulfide mesoporous nano-microsphere; an intermediate layer of the coating is a photochromic layer formed by a spiropyrane compound; a shell of the coating is polyurethane; the outer diameter of the composite microsphere is 50-350nm; the diameter of the zinc sulfide mesoporous nano-microsphere is 30-250nm; the thickness of the intermediate layer is 2-25nm; the thickness of the shell is 5-25nm. The photochromic coating prepared by the method can be used as a photochromic material or a surface color-changing layer of an optical lens; the coating is capable of changing from colorless to colored under irradiation of ultraviolet light, is also capable of rapidly fading to colorless after the ultraviolet light disappears, and has the advantages of high fatigueresistance, high stability, rapid color-changing speed and the like.

An article comprises a body having a coating. The coating comprises a Y-O-F coating or other yttrium-based oxy-fluoride coating generated either by performing a fluorination process on a yttrium-basedoxide coating or an oxidation process on a yttrium-based fluorine coating.

The present invention relates to a polymer battery cell and an electronic device comprising same capable of increasing cell capacity and effectively protecting a protection circuit apparatus from the external environment by utilizing space effectively by means of an effective arrangement of the protection circuit apparatus, the polymer battery cell comprising: an electrode body comprising a cathode plate and an anode plate having a separator interposed therebetween; a cell tab comprising a cathode tab connected to the cathode plate to extend and protrude therefrom, and an anode tab connected to the anode plate to extend and protrude therefrom; and a battery protection circuit module electrically connected to the cell tab. Furthermore, the polymer battery cell is provided with a pouch, made of a flexible material, for accommodating therein the electrode body, the cell tab and the battery protection circuit module.

The invention relates to a dust removal device, which comprises a hollow shell and a partition disposed in the shell. The partition at least divides the shell into a first chamber and a second chamber. Several ceramic filter pipes are vertically arranged side by side on the partition. The dust removal device is designed as follows: the gas flows from the first chamber to the second chamber or fromthe second chamber to the first chamber and must be filtered through a ceramic filtering structure. The ceramic filtering structure comprises the ceramic filter pipes, which comprises ceramic fiber pipes used for filtration. The two-way air passage between the inside of the pipes and the outside of the pipes is realized through several air vents on the pipe wall of the pipes. The dust removal device is arranged according to the following mode: the filtered gas that enters the second chamber can flow from at least two different levels to the several ceramic filter pipes. According to the dustremoval device, the filter resources of the ceramic filter pipes can be more fully and evenly utilized, thus enhancing the filter efficiency and being helpful for improving the backwash efficiency.