The present invention provides a preparation method of Beta molecular sieve, comprising: activating a mineral having low silica-to-alumina ratio and a mineral having high silica-to-alumina ratio, respectively, wherein the mineral having low silica-to-alumina ratio is activated via a sub-molten salt medium, and the mineral having high silica-to-alumina ratio is activated via means of high-temperature calcination; mixing the activated minerals with sodium chloride, potassium chloride, water and template agent for hydrothermal crystallization, wherein the charged amounts of the raw materials satisfies a molar ratio of: 0.03-0.18 Na.sub.2O:0.01-0.03 K.sub.2O:0.1-0.4 (TEA).sub.2O:1 SiO.sub.2:0.01-0.5 Al.sub.2O.sub.3:12-40 H.sub.2O; cooling the crystallized product and removing the mother liquor by filtration, washing the resulting filter cake with water to neutral and drying it to obtain the Beta molecular sieve. The method of the present invention broadens the range of raw materials for synthesizing the molecular sieve, greatly reduce the production cost, and significantly improve the environmental friendliness of the synthesis process, thereby having a wide range of application prospects.

An adsorbent consisting of iron oxyhydroxide, having a high adsorption rate and high adsorption efficiency compared with conventional products. The adsorbent particle is an adsorbent particle having a crystal structure of -iron oxyhydroxide, having an average crystallite diameter of 10 nm or less as measured by X-ray diffraction, wherein 90% or more of volume of adsorbent particle is constituted of granular crystals having crystal particle diameter of 20 nm or less, or columnar crystals having width of 10 nm or less and length of 30 nm or less. The adsorbent particle have at least either of the following characteristics: (A) the adsorbent particle contains metal element other than iron in amount of 0.1 to 20% by mass with respect to iron element, or (B) the adsorbent particle contains sulfur oxoacid ions in an amount of 0.01 to 20% by mass in terms of sulfur element with respect to iron element.

A polycrystalline element includes a table formed of polycrystalline diamond. The table includes a first surface; a second surface spaced apart from the first surface; and at least one side extending between the first surface and the second surface. The table also includes a plurality of extensions also formed of polycrystalline diamond, wherein at least one extension of the plurality of extensions extends away from at least one of the first surface and the at least one side. The at least one extension of the plurality of extensions includes a first portion that is polyhedral shaped. Optionally, the polycrystalline diamond of at least one extension of the plurality of extensions is contiguous with the polycrystalline diamond of the table. The polycrystalline element may be used in downhole tools for boring and well drilling, machine tools, and bearings.

The present invention relates to sulfide solid electrolytes having improved conductivity, a process for the preparation thereof, and electrochemical elements and batteries containing same.

Methods for synthesizing single crystalline Ni-rich cathode materials are disclosed. The Ni-rich cathode material may have a formula LiNi.sub.XMn.sub.yM.sub.zCol.sub.1-x-y-zO.sub.2, where M represents one or more dopant metals, x0.6, 0.01y<0.2, 0z0.05, and x+y+z1.0. The methods are cost-effective, and include methods for solid-state, molten-salt, and flash-sintering syntheses.

A method for producing a carbon nanomaterial product comprising: heating an electrolyte media to obtain a molten electrolyte media; positioning the molten electrolyte media between an anode and a cathode of an electrolytic cell; introducing a source of carbon into the electrolytic cell; introducing an iron-free, nickel-free, chromium-containing additive into the electrolyte media before the step of heating or introducing the iron-free, nickel-free chromium-containing additive into the molten electrolyte media, in which the iron-free, nickel-free, chromium-containing additive is added in an amount of between 0.05 wt % and 2 wt %, relative to the amount of the electrolyte media or the molten electrolyte media; applying an electrical current to the cathode and the anode in the electrolytic cell; and collecting the CNM product from the cathode, the CNM product comprises a minimum relative-amount of between 50 wt % and 99 wt %, relative to a total weight of the CNM product of nano-carbon flowers.

A carbonate apatite prepared from natural bone. The carbonate apatite has a protein content of 2000-8000 parts per million and a surface area of 15 to 70 m.sup.2/g. Also provided is a method for preparing the carbonate apatite from cancellous bone particles.

A polycrystalline element includes a table formed of polycrystalline diamond. The table includes a first surface; a second surface spaced apart from the first surface; and at least one side extending between the first surface and the second surface. The table also includes a plurality of extensions also formed of polycrystalline diamond, wherein at least one extension of the plurality of extensions extends away from at least one of the first surface and the at least one side. A radial line extends radially outward from a center axis of the first surface intersects each of a long axis of a subset of a plurality of extensions. Optionally, the polycrystalline diamond of at least one extension of the plurality of extensions is contiguous with the polycrystalline diamond of the table. The polycrystalline element may be used in downhole tools for boring and well drilling, machine tools, and bearings.

Described herein is a diamond and diamond products comprising: a NV.sup.0 or SiV.sup.0 defect, wherein the NV.sup.0 or SiV.sup.0 defect comprises a nitrogen atom or silicon atom replacing a carbon atom in the diamond and a neutral vacancy replacing a carbon atom adjacent to the nitrogen atom or silicon atom in the diamond; a NV.sup. or SiV.sup. defect, wherein the NV.sup. or SiV.sup. defect comprises a nitrogen atom or silicon atom replacing a carbon atom in the diamond and a negatively-charged vacancy replacing a carbon atom adjacent to the nitrogen atom or silicon atom in the diamond; and a halide atom.

Provided is a viscous dispersion liquid useful for forming a semiconductor porous film (porous semiconductor layer) by low-temperature deposition. The viscous dispersion liquid contains water as a dispersion medium, and titanium dioxide nanoparticles, wherein the viscous dispersion liquid has a solid content concentration of 30% by mass to 60% by mass, the titanium dioxide nanoparticles include anatase crystalline titanium dioxide nanoparticles having an average particle diameter of 10 nm to 100 nm, and brookite crystalline titanium dioxide nanoparticles having an average particle diameter of 5 nm to 15 nm, and the viscous dispersion liquid has a viscosity of 10 Pa.Math.s to 500 Pa.Math.s at 25 C.