11 results about "Water composition" patented technology

This invention discloses an electro-assisted passivation solution and its preparation and passivation methods. The raw materials of the electro-assisted passivation solution include the following components: 0.1-1 wt.% alkali-soluble mercapto compound, 0.1-1 wt.% amphoteric oxide, 1-5 wt.% inorganic alkali, 0.5-1.5 wt.% nonionic surfactant, and the balance being water. The components do not contain toxic substances. The passivation solution is suitable for electro-assisted passivation processes. The film formation process on copper parts is very fast, and the formed film layer is dense and uniform, resulting in good corrosion resistance, high protection effect, and environmental friendliness for the copper parts.

The invention discloses a slag slow cooling circulating water treatment method, a medium, a controller and a water treatment system, and relates to the technical field of water treatment.The method comprises the steps that water quality monitoring is conducted on slag slow cooling circulating water according to a first preset period, and water quality data are obtained; performing big data analysis on the water quality data in a second preset period to form statistical data, the second preset period being greater than the first preset period; and determining a target treatment strategy according to the statistical data, and treating the slag slow cooling circulating water according to the target treatment strategy. The method is combined with a water quality monitoring technology, a slag slow cooling circulating water component dynamic change table is obtained through data analysis, and the slag slow cooling circulating water is treated according to the component dynamic change table, so that the scaling corrosion phenomenon is reduced.

The purpose of the present invention is to provide an alkaline subcritical water composition, a water-containing composition, a device, and a container which are capable of inhibiting corrosion of a reaction device and capable of decomposing a polymer and the like. The present disclosure is an alkaline subcritical water composition having a pH of 13.7 or less and a potential of 400 mV or more when a current density exceeds 10 mA / cm2 in an anodic polarization curve in which a steel material is used in a test electrode.

The invention discloses a method for removing thallium in a natural iron-containing mineral and hydrogen peroxide system, and belongs to the technical field of sewage treatment. The surface of the obtained natural iron-containing mineral has abundant groups, and the natural iron-containing mineral can be used as a Fe (II) donor to form a Fenton oxidation system with H2O2 to quickly remove thallium pollutants in water. Meanwhile, in consideration of the problems of complex actual wastewater components, numerous interference factors and the like, the invention provides the removal performance of the natural iron-containing minerals on the thallium-containing wastewater under different conditions, and the treatment effect is relatively good. As a high-efficiency and low-cost wastewater treatment process, the method disclosed by the invention provides certain practical application significance for removing thallium.

The embodiment of the invention discloses an oil-in-water composition and a preparation method of the oil-in-water composition, the oil-in-water composition comprises an oil phase, and the oil phase comprises oil which serves as first grease, contains a monoester or diester structure and has a LogP value larger than or equal to 3 and smaller than or equal to 10; phytol as an oil soluble stabilizer; fructus psoraleae phenol ferulate; an aqueous phase, the aqueous phase comprising: an aqueous phase thickener; water; wherein the mass ratio of the phytol to the bakuchiol ferulate to the first grease is (1-5): 1: (35-45). According to the oil-in-water composition prepared in the embodiment, the greasy use feeling can be reduced, the irritation risk is greatly reduced, and the use stability is improved.

The utility model discloses a sewage component analysis sampler relates to sewage sampling technical field, including main part including cylinder, the top and bottom of cylinder are connected with bucket cover and cylinder bottom respectively, and the bottom of cylinder bottom is connected with the supporting leg, is used for sampling collection to sewage, the utility model discloses in the period of water inlet pipe, overflow pipe and drain pipe in this period, the water inlet operation, overflow and drainage collection of taking all are handled through the sealed bucket, for some stink sewage treatment, avoid because the environment around, through the overflow cavity formed between the collecting bucket and overflow cylinder, the first sedimentation filtration to the sewage in the cylinder, and then the second sedimentation filtration of filter screen, can effectively filter out the granular impurity and floccy sundries of greater weight, avoid the influence sewage analysis's result.

The invention discloses a membrane-mediated THz biological regulation mineral ion water composition and a preparation method thereof, and relates to the technical field of soft substance dielectric regulation and weak-field THz biophysics, the composition comprises an aqueous phase medium and an ion component, the aqueous phase medium is purified water, deionized water or low-salinity base water, or is directly taken from a predetermined water source; the ion component comprises monovalent cations, divalent cations, monovalent anions and / or polyatomic anions; the mineral ion water composition can form stable terahertz dielectric response under the cooperation of a membrane structure; the method is suitable for engineering application of physiotherapy products and related health regulation and control products. A terahertz regulation and control environment can be constructed without an active terahertz emission device; the method is suitable for engineering application of physiotherapy products and related health regulation and control products; the adjustability of terahertz response can be realized by adjusting ion function parameters and membrane structure parameters.

This invention provides a method, apparatus, and electronic device for generating a water chlorophyll a prediction model based on spatiotemporal transport mechanisms and a surrogate model. It relates to the field of water composition analysis and prediction, and includes: determining the optimal time delay for transport from upstream to downstream and the upstream optimal time-delay chlorophyll a concentration; constructing a flow gating function based on a set flow threshold and generating flow-gated features by combining the upstream optimal time-delay chlorophyll a concentration; determining a spatiotemporally coupled feature set based on the optimal time delay, the upstream optimal time-delay chlorophyll a concentration, and the flow-gated features; calculating the importance of each feature in the full feature set based on a time-series prediction surrogate model, recursively eliminating the features with the lowest importance until the number of features in the full feature set is reduced to a preset value, obtaining the optimal feature subset; and training a water chlorophyll a prediction model based on the optimal feature subset. This invention improves prediction accuracy and provides technical support for eutrophication early warning.

The invention belongs to the technical field of building material processing equipment, and particularly relates to a water-resistant gypsum preparation device which comprises a preparation barrel, two supporting rods are fixedly connected to the outer wall of the preparation barrel, a mounting disc is arranged at the tail ends of the two supporting rods, a rotating shaft is rotationally connected to the center of the mounting disc, and a driving gear sleeves the middle section of the rotating shaft. One side of the driving gear is engaged with a driven gear, the bottom of the driven gear is fixedly connected with a stirring rod, and the tail end of the stirring rod extends into the preparation barrel; through double movement, the stirring rod can stir materials in the preparation barrel in an all-around and dead-corner-free mode, the local mixing blind area existing in a traditional single stirring mode is thoroughly broken through, the mixing uniformity of gypsum raw materials and auxiliaries such as a water-resistant agent and a reinforcing agent is greatly improved, the uniform mixing state can ensure that water-resistant components are fully distributed in gypsum, and the water-resistant components are fully distributed in the gypsum. The water resistance fluctuation caused by uneven local components is avoided, and a core guarantee is provided for the water resistance stability of a final product.

A basic subcritical water composition and a water-containing composition each capable of decomposing, for example, polymers while preventing or reducing corrosion of the reaction device, and a device and a container therefor. A basic subcritical water composition having a pH of 13.7 or lower and a potential of 400 mV or higher at a current density exceeding 10 mA / cm2 in an anodic polarization curve obtained using a steel material as a working electrode.