167 results about "Metalloid" patented technology

The invention provides an impurity removal method of a gallium-rich solution for a gallium-based fluorescent powder precursor, and belongs to the field of preparation of gallium-based fluorescent powder precursors. The method comprises the following steps: adding an oxidizing agent into an initial gallium-rich solution to carry out a first reaction so as to remove organic impurities in the initial gallium-rich solution and obtain a first gallium-rich solution; adding a composite impurity removal reagent into the first gallium-rich solution to carry out a second reaction to remove impurity elements such as calcium, silicon and vanadium in the first gallium-rich solution so as to obtain a second gallium-rich solution; and adding a sulfide type reagent into the second gallium-rich solution to carry out a third reaction so as to remove copper and iron impurity elements in the second gallium-rich solution, thereby obtaining the gallium-rich solution for the gallium-based fluorescent powder precursor. According to the method, various key impurity elements such as organic matters, alkaline earth metals, metalloids and heavy metals are directionally and efficiently removed through the impurity removal logic of oxidation impurity breaking, synergistic precipitation and deep vulcanization, so that the total content of the key impurity elements in the gallium-rich solution is remarkably reduced.

The invention provides radiation sensitive compositions and substrates coated with radiation sensitive compositions wherein the composition comprises a combination of metals and / or metalloid compounds, a functionalized or unfunctionalized acetylenic compound, and other optional ingredients such as amelioration agents. The invention further provides radiation sensitive devices for detection or measurement of radiation comprising substrates coated with these radiation sensitive compositions. The radiation sensitive compositions and devices have applications in dentistry, non-destructive testing, oncology, radiology, and radiotherapy, among others.

A coated member of the present invention includes a substrate and a hard coating film that is formed on the surface of the substrate and includes a nitride or carbonitride of a metal element. A content of Al is 65 atom % or more and 85 atom % or less, a content of Cr is 15 atom % or more and 35 atom % or less, and a total content of Al and Cr is 90 atom % or more and 100 atom % or less in a total amount of the metal element and metalloid element contained in the hard coating film, and in an intensity profile obtained from a selected area diffraction pattern of a transmission electron microscope, a crystal plane exhibiting a maximum peak intensity is different between a vicinity of the substrate and a vicinity of the surface, in the vicinity of the substrate, a peak corresponding to a (111) plane or a (200) plane of a face-centered cubic lattice structure exhibits a maximum intensity, and in the vicinity of the surface, a peak intensity corresponding to a (220) plane is 0.6 times or more a larger one of a peak intensity corresponding to the (200) plane and a peak intensity corresponding to the (111) plane of the face-centered cubic lattice structure.

The present invention relates to an exothermic process for producing metal oxides or metalloid oxides, comprising introducing metal and / or metalloid precursors into a flame formed by burning a gas mixture comprising oxygen and hydrogen, at least a portion of the hydrogen being obtained from the electrolysis of water or an aqueous solution using electrical energy obtained at least in part from a renewable energy source, and at least a portion of the thermal energy of the flame being transferred by at least one exchanger to a first heat transfer medium, thereby heating the first heat transfer medium to a maximum temperature in the range between 80°C and 150°C.

This invention relates to the field of waste aluminum recycling and processing, and particularly to an online impurity removal device for solid-phase recycling of waste aluminum. The device includes an impurity removal box, a feeding hopper, a first magnetic cylinder, a second magnetic cylinder, a guiding unit, and a power supply assembly. The impurity removal box has upper and lower corresponding rotating slots and contains the first and second magnetic cylinders with magnetic plates. A corresponding discharge chute is located on one side. The guiding unit uses a sieve plate to classify the material, guiding small particles and lumpy materials to the two magnetic cylinders respectively. Magnetically attracted metals are separated by the magnetic plates and discharged from the corresponding discharge chute. A secondary box and conveying assembly achieve secondary purification of non-magnetically attracted particles. A scraping assembly breaks the residual magnetic attraction of the magnetic cylinders. The power supply assembly controls the on / off state of the magnetic plates to achieve precise unloading. This device eliminates the need for deep crushing of materials; the grading magnetic attraction and secondary purification work together to separate four types of metals, reducing energy consumption and sorting costs, and minimizing the loss of recycled aluminum.

An improved Battery Electric Vehicle heat transfer fluids is made diluting a heat transfer fluid concentrate comprising greater than or equal to 85 weight percent of a freezing point depressant; 20 to 80 ppm of calcium ions; an azole compound; 100 to 250 ppm of an inorganic phosphate; and a polyelectrolyte polymer dispersant, wherein the heat transfer fluid concentrate has a pH of 7 to 9.0 and the weight ratio of polyelectrolyte polymer dispersant to calcium ions is 1 to 3 and the weight ratio of inorganic phosphate to calcium is 2 to 4. For use this concentrate is preferably diluted with deionized water usually 50 / 50. The addition of N-methyl-imidazole provides protection against vapor phase corrosion particularly for ferrous metals.

This invention relates to a tetrafluoroborate imidazole-based metal ionic liquid, its preparation method, and its application in coating aluminum powder. The invention pertains to the preparation method of a tetrafluoroborate imidazole-based metal ionic liquid and its use in combination with aluminum powder to form a core-shell fuel (aluminum powder@metal ionic liquid). The aluminum powder@metal ionic liquid core-shell fuel uses aluminum as the core and a tetrafluoroborate imidazole-based metal ionic liquid as the shell material, prepared via solvent evaporation. This series of core-shell fuels exhibits excellent thermal properties and is primarily suitable for solid propellant fuel applications. Furthermore, the preparation method provided by this invention is simple, operates under mild conditions, and uses readily available raw materials.

The solvated metal particle-coating system includes a metal additive and a polar outer-sphere electron transferring solvent. The metal additive is solvated in the polar outer-sphere electron transferring solvent. The polar outer-sphere electron transferring solvent may include liquid ammonia, methylamine, and / or hexamethylphosphoramide. The metal additive may include an alkali metal and / or an alkaline earth metal. The solvated metal additive within the polar outer-sphere electron transferring solvent may be used to coat a metal particle and / or a metalloid particle as a layer. As the polar outer-sphere electron transferring solvent evaporates, the solvated metal additive is coupled to the metal particle and / or the metalloid particle.

The present invention includes systems and methods for a continuous-wave (CW) radar system for detecting, geolocating, identifying, discriminating between, and mapping ferrous and non-ferrous metals in brackish and saltwater environments. The radar system (e.g., the CW radar system) generates multiple extremely low frequency (ELF) electromagnetic waves simultaneously and uses said waves to detect, locate, and classify objects of interest. These objects include all types of ferrous and non-ferrous metals, as well as changing material boundary layers (e.g., soil to water, sand to mud, rock to organic materials, water to air, etc.). The radar system (e.g., the CW radar system) is operable to detect objects of interest in near real time.

A binder solution comprises a fugitive metal precursor, a thermoplastic binder, and a solvent. The fugitive metal precursor may comprise an alkaline earth metal, a transition metal, a post-transition metal, a metalloid, a rare earth metal, or combinations thereof. The fugitive metal precursor may comprise a salt such as carboxylate, nitrate, sulfate, carbonate, formate, chloride, halide, derivatives thereof, and combinations thereof. A method of manufacturing a part includes depositing a layer of particulate material on a working surface, selectively applying a binder solution into the layer of particulate material in a pattern representative of a layer of the part, repeating the steps of depositing and selectively applying to form a plurality of layers of particulate material with the applied binder solution, and curing the applied binder solution in the plurality of layers of particulate material with the applied binder solution to evaporate the solvent and form a green body part.

This invention discloses a heavy metal-free water-based anti-rust primer, its preparation method, and its application, relating to the field of water-based metal anti-corrosion coatings. The primer comprises a modified acrylic copolymer emulsion, a modified zinc phosphate-aluminum tripolyphosphate composite pigment, a diatomaceous earth composite filler, and a lignin sulfonate-grafted polycarboxylic acid dispersant. The modified acrylic copolymer emulsion is prepared by copolymerizing four monomers and then modifying them with epoxy silane and amino silane. The modified zinc phosphate-aluminum tripolyphosphate composite pigment is prepared by rare earth lanthanum ion loading and synergistic modification with a dual coupling agent. The diatomaceous earth composite filler is prepared by high-temperature activation, composite with nano-silica, and silane modification. Through the synergistic effect of its components, this invention significantly improves the primer's adhesion, resistance to damp heat, high temperature, kitchen fumes, weak acid resistance in food, and resistance to alkaline media in the kitchen, making it suitable for corrosion protection of various metal components in kitchens and commercial kitchens.

The present invention relates to a method for producing silicate glass from oxide-based waste comprising alkalis and earth-alkalis at a level of equal to or greater 5wt%, preferably 10wt%, preferably 15wt%, more preferably 20wt%, even more preferably 25% by weight of the total composition of the oxide-based waste; comprising at least one metal and / or metalloid elements (M) selected from the group consisting of Fe, Co, Cr, Ni, V, Sb, Zn, Mn, Sn, Bi, Pb, Ag, Cu, W, Nb, Mo and mixtures thereof. The amount of at least one metal and / or metalloid elements (M), has been lowered by the following steps : a) melting the oxide-based waste to obtain a oxide melt; b) performing a chemical reaction to reduce the oxide melt to precipitate a metal phase enriched in the metal and / or metalloid elements; c) separating at least a part of the metal phase from the oxide melt to obtain a purified oxide melt; d) preferably, performing an oxidation treatment on the purified oxide melt to obtain a highly purified oxide material; and e) using the purified oxide melt and / or preferably the highly purified oxide material, as component for silicate glass.

This invention discloses an oxygen-activated iron-rich biochar, its preparation method, and its application, relating to the field of materials technology. The preparation method includes the following steps: pulverized biomass raw materials are subjected to high-temperature pyrolysis under oxygen-deficient conditions, cooled, and sieved to obtain raw biochar powder. This powder is then thoroughly mixed with ferric nitrate nonahydrate, and KOH solution is added dropwise under oxygen-purifying conditions until the solution pH is neutral. After solid-liquid separation, a precipitate is obtained, which is then freeze-dried and finally sieved to obtain the oxygen-activated iron-rich biochar. This invention utilizes high-purity oxygen to optimize the iron-rich biochar, resulting in a material with a large specific surface area, small average pore size, and a high number of micropores, significantly enhancing its adsorption capacity. Furthermore, it eliminates the risk of secondary pollution, has a simple preparation process, and is suitable for large-scale industrialization. In addition, it exhibits excellent solidification and stabilization properties for heavy metals, especially for the adsorption of variable-valence metals like arsenic, far exceeding that of commercially available modified biochar.

The application relates to the technical field of magnetocaloric materials, and discloses a low-curie-temperature iron-based magnetocaloric material, a preparation method, a deicing agent and a coating. The magnetocaloric material takes iron as the main body, introduces rare earth elements, transition group elements and metalloid elements to form a synergistic component system, and has the characteristics of adjustable curie temperature and high saturation magnetic induction intensity. The preparation method comprises the following steps: alloy smelting and high-temperature homogenization heat treatment, block pretreatment, segmented parameter control hydrogen crushing, and gradient temperature rising high-vacuum dehydrogenation. Through the hydrogenation process combining low-temperature permeation, high-pressure crushing and heat preservation and refinement, the uniform and controllable crushing of the alloy is realized, and the residual hydrogen content is effectively reduced in the multi-stage dehydrogenation process. The application can significantly improve the problems of serious oxidation, uneven particle size and magnetic performance attenuation existing in the traditional mechanical crushing or conventional hydrogen crushing process. The obtained magnetocaloric material shows high saturation magnetic induction intensity and stable magnetocaloric performance in the low curie temperature interval.

The application relates to the technical field of olefin polymerization, and discloses an ether metal complex and a preparation method and application thereof. The structural formula of the ether metal complex is shown in formula (I): wherein R1, R2, R3 and R4 are each independently selected from one of hydrogen, C1-C10 alkyl and halogen; X is each selected from O or S; and M is selected from IVB group metal. The ether metal complex is applied to ethylene polymerization as a catalyst, has high reactivity, good thermal stability, shows extremely strong control performance on the molecular weight of polyethylene wax, and highly linear low-molecular-weight polyethylene is obtained. Formula (I)

The present invention addresses the problem of producing porous silicon having a large amount of pores. This method for producing porous silicon comprises: a step in which a starting material containing at least one type of silicon oxide selected from the group consisting of SiO and SiO2 is brought into contact with an alkaline earth metal gas under conditions in which the furnace pressure is 15 Pa or less; and a step for bringing the starting material that has been brought into contact with the alkaline earth metal gas into contact with an acid.

The present invention generally discloses a metalloid metal oxide coating composition of Formula (I) for the alkali mixed metal oxide based battery cathode. The coating of said composition reduces reaction based degradation of the cathode as well as electrolyte, thereby improving performance, cycle life, and rate capacity of the battery. The present invention further relates to a method of preparing the coated cathode active material and process thereof.

The present invention provides a method for thermal welding of thermoplastics using a hot plate, said method comprising the steps of: a) heating the hot plate to a temperature required for welding the thermoplastics, and bringing the thermoplastics to be welded into contact with the hot plate until the areas of the thermoplastics to be welded melt, and b) removing the thermoplastics from the hot plate, joining the areas of the thermoplastics and pressing them together to weld them, wherein the hot plate body is made of a material selected from the group of metal, metalloid, metal oxide, metalloid oxide, metal nitride, metalloid nitride, metal oxynitride, ceramic and / or glass, and the hot plate is provided with a polymer brush on one or more surfaces intended for contact with the thermoplastics. In further aspects, the invention discloses a device and a hot plate useful in the method.

Disclosed herein is a process for making an (oxy)hydroxide of TM where TM refers to metals of which at least 97 mol-% are transition metals and where TM includes manganese and nickel, and where at least 50 mol-% of TM are manganese, the process including the steps of:(a) providing at least one aqueous solution (α) of water-soluble salts of such metals and an aqueous solution (β) including alkali metal hydroxide selected from the group consisting of NaOH and KOH,(b) combining solutions (α) and (β) at a pH value in the range of from 9.5 to 10.3, where such step (b) is carried out using at least one coaxial mixer including two coaxially orientated pipes through which an aqueous solution (β) and an aqueous solution of (α) are introduced into a stirred vessel, thereby precipitating an (oxy)hydroxide of TM, and(c) recovering and drying the (oxy)hydroxide of TM.

This invention belongs to the field of ecological environment monitoring technology and relates to a multi-level bioindicator method for the effective phytotoxicity of heavy metal-like substances / heavy metals. The method includes the following steps: S1. Obtaining plant samples affected by the soil or water body to be tested; S2. Measuring the activity of superoxide dismutase (SOD), gibberellin (GA), and chlorophyll content in the plant samples; S3. Based on the measured results of SOD activity, plant hormone content, and chlorophyll content, and their changes over time, classifying and assessing the effective phytotoxicity effects of heavy metal-like substances or heavy metals. This invention is the first to propose a unified three-level bioindicator method (SOD activity, GA hormone, and chlorophyll) that can effectively reflect soil pollution levels for typical heavy metal-like substances / heavy metals present in the actual environment, enabling a simpler assessment of the degree of heavy metal pollution in actual soil.

An electrostatic charge image developer contains a carrier and a toner, in which the carrier has magnetic particles, a resin coating layer that coats the magnetic particles, and inorganic particles contained in the resin coating layer, and in a case where an element ratio of metals and metalloids, that constitute the inorganic particles, is analyzed by X-ray photoelectron spectroscopy in a depth direction, and the element ratio at 0 seconds of etching is defined as A and the element ratio at 300 seconds of etching is defined as B, a value of B−A is 0.5 atm % or more and 3.0 atm % or less; and the toner contains toner particles, and in a dynamic viscoelasticity measurement of the toner particles in a case where a temperature is raised from 30° C. to 120° C., a minimal value tan δ(min) of a loss tangent is present at 50° C. or higher and 80° C. or lower and is 0.50 or more and 1.00 or less.

1. The name of the design product: handheld ultrasonic drill. 2. The use of the design product: drilling on the surface of various metal or non-metal materials. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

The invention relates to a continuous method for extracting a metal or metalloid from a metal- or metalloid-containing material. The method comprises contacting the material with a leaching solution to form a slurry, which is provided to a first compartment of an extraction apparatus comprising first and second compartments separated by a liquid-permeable separator. The slurry is contacted under conditions that produce a loaded leachate, which is continuously separated across the liquid-permeable separator into the second compartment by maintaining a negative pressure differential between the compartments. Leaching solution comprising fresh leaching solution, recycled leachate, partially loaded leachate, and mixtures thereof is continuously supplied to the slurry at a rate sufficient to maintain the slurry within a selected solid-liquid ratio range.

The application discloses a kind of hydrotalcite-like and its preparation method and application, preparation method includes the following steps: metal salt is dissolved in ethylene glycol, stirring uniformly to obtain solution A;Then sodium carbonate and sodium hydroxide are dissolved in water, stirring uniformly to obtain solution B;Solution A and solution B are added to microfluidic device respectively to carry out reaction, the reaction product is centrifuged, washed, dried, to obtain hydrotalcite-like material;The metal salt is two kinds in ferric nitrate nonahydrate, nickel acetate tetrahydrate, cobalt nitrate hexahydrate, aluminum nitrate nonahydrate, manganese chloride tetrahydrate;The application uses microfluidic technology, simplifies experimental operation, by changing metal salt type, metal salt feeding ratio and reaction temperature, can quickly controllably continuously prepare NiFe-LDH, CoAl-LDH, NiMn-LDH, CoFe-LDH, also provides a potential scheme for the continuous controllable synthesis of other materials.

A pharmaceutical formulation useful for treating metabolic disorders or conditions is provided, comprising a plurality of particles suspended in a carrier system, the particles (a) having an average diameter based on weight, number, or volume of about 10 nm to about 700 μm, and (b) a solid core comprising at least one glucagon-like peptide-1 receptor agonist or a pharmaceutically acceptable salt thereof, at least partially coated with a coating of an inorganic material comprising a mixture of (i) zinc oxide and (ii) one or more other metal and / or metalloid oxides, wherein the atomic ratio ((i):(ii)) is at least about 1:10 and not more than about 10:1. The mixed oxide-coated particles are preferably synthesized by a vapor-phase coating technique, such as atomic layer deposition. The formulation may provide delayed or sustained release of the glucagon-like peptide-1 receptor agonist for treating metabolic disorders or conditions, such as type 2 diabetes and / or obesity, without a burst effect. The glucagon-like peptide-1 receptor agonist is preferably liraglutide.

A coated tool of the present invention includes a base material; and a hard coating film on the base material. The hard coating film is a nitride or carbonitride which contains aluminum (Al) of 65 atomic % or more and 90 atomic % or less and titanium (Ti) of 10 atomic % or more and 35 atomic % or less with respect to a total amount of metal (including metalloid) elements, and have a face-centered cubic structure. In the X-ray intensity distribution of the α axis of the positive pole figure with respect to the (111) plane of the face-centered cubic structure, the hard coating film have a maximum intensity Ia in the α angle range of 80° to 90° and an intensity in the α angle range of 0° to 70° is 30% or less of the Ia.

The present disclosure relates generally to supported CO2 conversion catalyst comprising: a support that is a cerium oxide support, a titanium oxide support, an aluminum oxide support, a zirconium oxide support, a zinc oxide support, a silicon oxide support, or a mixed oxide support comprising a mixture of two or more of cerium oxide, titanium oxide, aluminum oxide, zirconium oxide, zinc oxide, and silicon oxide; at least one of copper, iron, platinum palladium, zinc, and manganese, present in an amount in the range of 0.05 to 15 wt% of the catalyst, based on the total weight of the catalyst; and at least one of tellurium, bismuth, tin, antimony, germanium, selenium, arsenic, boron, indium, and silicon present in an amount in the range of 0.05 to 15 wt% of the catalyst, based on the total weight of the catalyst.

Particular embodiments may provide an anode material, comprising a compound of formula Li2—X—Y, wherein: X and Y are each independently a metal atom or a metalloid atom; the anode material has a discharge potential of less than about 0.4 V vs. Li / Li+; and the molar ratio of Li:X:Y is 2:1:1.

A field effect transistor (FET) structure is provided and includes an FET stack including channels, a source / drain (S / D) region defined on a side of the FET stack, buffers formed of doped semiconductor material disposed in contact with the channels and to protrude into the S / D region, a metalloid disposed in the S / D region in contact with the buffers and a metallic contact disposed in backside contact with the metalloid.

This niobic acid compound dispersion contains niobium, one or more elements (X) selected from among alkali metal elements and alkaline earth metal elements, and a phosphorus compound and / or a chlorine compound, and has a particle diameter (D50) of 1,000 nm or less as determined by a dynamic light scattering method. Furthermore, this niobic acid compound dispersion contains niobium, one or more elements (X) selected from among alkali metal elements and / or alkaline earth metal elements, and a phosphorus compound and / or a chlorine compound, and has a maximum transmittance of 70% T or more in a wavelength region of 400-760 nm.