253 results about "Structural water" patented technology

The present invention relates to a copper-manganese mixed oxide cathode material, which is suitable for use in a cathode of an electrochemical cell, and which has the formula Mn_xCu_yO_z,.nH₂O, wherein the oxidation state of Cu is between about +1 and about +3, the oxidation state of Mn is between about +2 and about +7, x is equal to about 3−y, y is less than about 3, z is calculated or experimentally determined, using means known in the art, based on the values of x and y, as well as the oxidation states of Mn and Cu, and nH₂O represents the surface and structural water present in the mixed oxide material. The present invention further relates to an electrochemical cell comprising an anode, a cathode, and a separator disposed between the anode and cathode, and an electrolyte in fluid communication with the anode, the cathode and the separator, wherein the cathode comprises the noted cathode material. The present invention still further relates to such an active cathode material, or an alternative cathode material, wherein the copper-manganese mixed oxide comprises a defect spinel-type structure, which is also suitable for use as a cathode component of an alkaline electrochemical cell.

The invention discloses a simulated testing device for the hydraulic fracture of a concrete member under different stress conditions, relating to the technical field of testing devices for the hydraulic fractures of concrete members. The simulated testing device comprises a cuboid die with an opening on one surface, wherein the die is filled with concrete to obtain the concrete member, the concrete member is internally provided with eight high-pressure-resistant water elbows in advance, and the tail end of each high-pressure-resistant water elbow is provided with a water pressure sensor connector; a steel sheet is pulled out of the concrete member to prefabricate an initial crack, a groove defined within a certain range is polished at the periphery of the crack, a strain gauge and a clip extensometer are arranged, and the groove is filled with waterproof insulating cement and ground to be flush; and the member is provided with a water seal steel sheet on which a water inlet and an exhaust port with a sealing cap are arranged. Based on the simulated testing device, the testing research for the hydraulic fracture of the concrete member can be realized under a different stress condition and different initial crack inclination angle condition combined condition.

The invention comprises an inflatable and expandable slide and pool construction that permits the user to selectively change the structure of the slide by expanding it to include a pool or basin at the end of the slide. The pool portion may be releasably attached to the front of the slide and may include inflatable sides and an inflatable end bumper. If the slide is a continuous airflow inflatable, the sides of the pool portion may be inflated by the air blower when the sides are released from their attachment to the end of the slide.

To provide electrolytic manganese dioxide to be used as a cathode active material for an alkali-manganese dry cell, which has a high alkali potential and is provided with a high reactivity and packing efficiency as a cathode for the cell. Electrolytic manganese dioxide having an alkali potential of at least 310 mV, FWHM of at least 2.2 DEG and at most 3.0 DEG , and a (110)/(021) peak intensity ratio in the X-ray diffraction peaks of at least 0.50 and at most 0.80, is used. The (110) interplanar spacing of the electrolytic manganese dioxide is preferably at least 4.00 AA and at most 4.06 AA. Particularly when the alkali potential is at least 350 mV and at most 400 mV, the molar ratio of structural water contained (H 2 O/MnO 2 ) is preferably at least 0.20. It can be produced by electrolysis at a low sulfuric acid concentration at the initial stage of the electrolysis and at a high sulfuric acid concentration at a later stage. It is preferred to further carry out sulfuric acid treatment.

Discloses a two stage filtration system for treatment of fibrous vegetable matter, particularly oilseed materials such as oil-extracted canola flakes to separate the low valued fibrous material from soluble material and small non-structural water-insoluble material of higher value. The filtration system receives a vegetable matter slurry and passes the slurry through first stage filter which is an impeller type filter that operates to separate the slurry into a filtrate and a moist retentate. The moist retentate is further filter in a second compression filtration stage or a centrifuge to remove additional water. Small non-structural insoluble matter is removed in the filtrate.

The invention discloses a coal-series kaolin gas suspension calcination method comprising the following steps of: firstly, crushing and grinding mineral raw materials of coal-series kaolin, feeding the mineral raw materials into a spray drying tower for dehydration, and feeding the materials subjected to spray drying into a furnace external heat exchange decomposition system for treatment; feeding the treated materials into a gas suspension calciner for rapid calcination in an intensive fluidization condition, wherein the fluidizing velocity is 8-40m/s, and the calcination temperature is controlled within 600-1400 DEG C according to the requirements of products; carrying out gas-solid separation on the rapidly calcined materials under the action of whirlwind, then, controlling the proportions of materials returned to the gas suspension calciner through a loop seal, and adjusting the total standing time of the materials in the gas suspension calciner to control the calcination quality of a product; and further carrying out whitening treatment on the calcined materials through a furnace-external reburning heat exchange system, and then, feeding the materials into a product cabin. The method is simple in process, high in heat efficiency, good gas-solid heat and mass transfer and narrow in calcination temperature fluctuation range; and the product is stable and uniform in quality, smoke waste heat can be sufficiently utilized, high handling capacity is realized, and carbon impurities and structural water in the coal-series kaolin can be rapidly removed.

The invention relates to a horizontal seepage test unit. The horizontal seepage test unit comprises a water chamber, a seepage generating device and a support, wherein the seepage generating device is arranged above the support; the water chamber is arranged at one side of the seepage generating device and the support; the seepage generating device is of a box body structure; a connection hole is formed in one side, close to the seepage generating device, of the water chamber, a water chamber connection hole is formed in one end, close to the water chamber, of the seepage generating device, and the water chamber connection hole of the seepage generating device is connected and communicated with the connection hole of the water chamber; the seepage generating device is sequentially provided with a water storage room, a water insulation room, a soil heaping slot and a water collecting tank from the near to the distant according to the distance from the water chamber. The horizontal seepage test unit provided by the invention has the advantages that layered heaping condition of a rock-soil dielectric body in a natural world can be effectively simulated, horizontal osmotic coefficient of the rock-soil dielectric body can be accurately measured, and the horizontal seepage test unit can test horizontal seepage by adopting multiple methods.

The invention discloses a high temperature resistant microwave belt drying kiln, which comprises a belt conveyor (1), a microwave suppressor, a microwave cavity (3), an exhaust system (4), a microwave energy feeding system (5), a temperature measuring System (6) and control system (7), described belt conveyor (1) is made up of conveyer belt, stainless steel mesh belt (10), shaft (11), idler roller (12) and driving device (13), The conveyor belt is a ceramic fiber cloth conveyor belt (9) with a thickness greater than 20mm, the stainless steel mesh belt (10) is in good electrical contact with the drive device (13) and is well grounded, and the idler roller ( 12) The material is ceramic material, the material of the shaft (11) is stainless steel, the shaft (11) is in good contact with the cavity of the microwave oven (3) and can conduct electricity. The invention is a high-temperature-resistant microwave belt drying kiln that can meet the requirements of dematerialized crystallization water or structural water. It can withstand high temperatures > 500 degrees Celsius, has high equipment stability, long service life and simple structure, and can be widely used in the drying of materials. Dry dehydration, including free dehydration and structural dehydration.

The invention discloses a filter structure and a water purifying apparatus. The filter structure comprises: a housing body formed in a cylindrical shape to have a first accommodating space and having an upper opening portion; a housing cap coupled to the upper opening portion of the housing body by a portion thereof being formed in a cylindrical shape to have a second accommodating space, wherein a coupling projection and an upper opening portion are formed on an outer circumferential surface thereof, and a housing fastening portion is formed on an inner circumferential surface thereof; a filtering member having a cylindrical shape accommodated in the first accommodating space; and an upper supporter coupled to an upper portion of the filtering member and an inner surface of the housing cap respectively, and accommodated in the second accommodating space.

The invention discloses gypsum marble and its preparation method. The gypsum marble is composed of a calcium sulfate hemihydrate, dispersible fibers, a modifier, colored powder and clear water in a weight ratio of 100:3.0-5.5:0.5-1.8:0.03-7.0:18.63. With a reaction mechanism of hydrating the calcium sulfate hemihydrate into a calcium sulfate dihydrate by the above materials, the preparation method consists of powder metering, powder mixing, continuous semi-wet stirring, compression moulding, section cutting and polishing, as well as surface treatment. And the technical conditions that the moulding water is hydration structural water and the compression time is the hydration time can be realized. The microstructure of the marble crystal is in a compact plate structure. Comparing favorably with natural stones in terms of macroscopic physical and mechanical properties, the gypsum marble of the invention has substantially better product, production process condition and environment coordination than natural facing stones, cement-based and resin-based artificial stones.

A method of providing a reliable predictive model of the mitigation scope and costs of water damage events to structures is presented. The method takes into account FEMA guidelines, industry standards, local pricing variations, and data regarding damage to the particular structure.

Disclosed is a system and method for the demolition of vertical concrete structures. A moveable concrete cutting vehicle includes a carriage adapted to move along the top surface of the vertical concrete structure that is to be demolished. The carriage carries a cutting assembly that is moveable in at least two directions, such as a vertical direction and a slightly downwardly angled circumferential direction, which cutting assembly is positioned to make cuts through the entire width of the concrete wall of the vertical concrete structure. After a series of cuts have been performed, the carriage may be moved along the top, horizontal rim of the vertical concrete structure, and separable concrete blocks that have been formed in the previously processed region may be tipped off of the remaining vertical concrete structure to fall to the ground. Such process may continue with the carriage carrying the concrete cutting vehicle progressively downward and around the vertical concrete structure, allowing small, block-shaped sections of the concrete structure to be tipped into the concrete structure until the entire concrete structure has been demolished.

The invention relates to a water storage tank type steel structural dam, which comprises a truss structural dam body and a steel structural water retaining panel, wherein the lower end of the truss structural dam body is fixed on an inner concrete bearing platform of a riverbed, the steel structural water retaining panel is fixed on the water retaining surface of the truss structural dam body, a matched water tank is fixedly arranged in each cell encircled by the truss structure, the water tanks are communicated with one another, and the water tank at the upper end of the truss structure is provided with a water inlet and a water pump. The water storage tank type steel structural dam has simple, stable and reliable structure and simultaneously has the advantages of a steel structural dam and a gravity dam; and the lower end and two sides of the truss of the water storage tank type steel structural dam are easily fixed with the bearing platform and the side slope, so that the water storage tank type steel structural dam is easy in construction and maintenance. The water tanks can be industrially produced and constructed on site, so the construction efficiency is high. The dam has long service life and low cost, and is very suitable for popularization and implementation.

The invention relates to an open caisson foundation and a construction method. The open caisson foundation comprises a shaft and vertically-distributed concrete pile foundations. The bottom of the shaft is sealed through bottom sealing concrete, and the top of the bottom sealing concrete is provided with a bearing table fixedly connected with the inner wall of the shaft. The concrete pile foundations are integrally connected with the bearing table after penetrating the bottom sealing concrete. The bottom sealing concrete is provided with holes for the concrete pile foundations to penetrate, and the concrete pile foundations are in clearance fit with the corresponding holes. The open caisson foundation is clear in stress, the concrete pile foundations arranged at the bottom of an open caisson are used for solving the problem that the foundation bearing force is insufficient, the open caisson and the concrete pile foundations have the beneficial effect of mutual supplementing, all foundation dead loads are transmitted to a foundation, the open caisson bottom frictional resistance action is brought into play to the maximum degree, and the structure horizontal thrust exerted on the tops of the concrete pile foundations is obviously reduced.

The invention provides a thermally-stable emulsion of an antigen as well as a preparation method and an application of the thermally-stable emulsion. The thermally-stable emulsion of the antigen comprises a water phase, an oil phase and inorganic particles combined with the antigen; the oil phase is wrapped by the water phase; the inorganic particles combined with the antigen are dispersed on an interface of the water phase and the oil phase; and the antigen and the inorganic particles are combined in an electrostatic adsorption way. By using the emulsion provided by the invention, the thermalstability of the antigen of an organism can be remarkably improved; structural water molecules in a mineral phase are tightly connected to the peripheries of mineralized proteins, so that the hydrogen bond exchange rate of protein molecules and water molecules in an external environment is reduced, the destruction of a thermal motion process to the structures of the proteins is reduced, the stability of a vaccine in a high-temperature environment is improved, the valid period of vaccine storage is prolonged, and the vaccine can be stored at 25 DEG C for three weeks or longer; in addition, theemulsion can also be applied as a vaccine adjuvant, a drug delivery carrier or a controlled-release carrier, a surfactant is prevented from being used, and the poisonousness to human bodies and environment pollution can be reduced.

The invention discloses a deoxidizing assembly, a storage device and a refrigerator, and relates to the technical field of refrigeration storage equipment. The deoxidizing assembly comprises a deoxidizing module and a water tank, a liquid storage cavity used for storing electrolyte is formed in the deoxidizing module in a limiting mode, the deoxidizing module is provided with an opening communicating with the liquid storage cavity, and the opening is connected with a cover plate; and the water tank is arranged on the outer side of the deoxidizing module, the water tank and the deoxidizing module are of an integrated structure, an accommodating cavity is defined in the water tank, and the accommodating cavity communicates with the liquid storage cavity. The water tank communicating with the liquid storage cavity of the deoxidizing module is additionally arranged, the electrolyte in the water tank can be supplemented into the liquid storage cavity, and the defect that water needs to be added to the deoxidizing module at regular intervals is overcome; and the water tank and the deoxidizing module are of an integrated structure, and the accommodating cavity directly communicates with the liquid storage cavity, so that pipeline connection between the water tank and the deoxidizing module can be reduced, the production efficiency is improved, the leakage risk caused by pipeline connection can be reduced, and the product reliability is improved.