39 results about "Equivalent spherical diameter" patented technology

A porous organosilicate glass (OSG) film: Si_vO_wC_xH_yF_z, where v+w+x+y+z=100%, v is 10 to 35 atomic %, w is 10 to 65 atomic %, x is 5 to 30 atomic %, y is 10 to 50 atomic % and z is 0 to 15 atomic %, has a silicate network with carbon bonds as methyl groups (Si—CH₃) and contains pores with diameter less than 3 nm equivalent spherical diameter and dielectric constant less than 2.7. A preliminary film is deposited by a chemical vapor deposition method from organosilane and/or organosiloxane precursors, and independent pore-forming precursors. Porogen precursors form pores within the preliminary film and are subsequently removed to provide the porous film. Compositions, film forming kits, include organosilane and/or organosiloxane compounds containing at least one Si—H bond and porogen precursors of hydrocarbons containing alcohol, ether, carbonyl, carboxylic acid, ester, nitro, primary amine, secondary amine, and/or tertiary amine functionality or combinations.

A non-oriented electrical steel sheet, characterized in that the number density of inclusions contained in the steel sheet with an equivalent spherical diameter of less than 100 nm is 1 x 1010 [pieces/mm3] or less; furthermore, in mass %, Contains C: 0.01% or less, Si: 0.1% to 7.0%, Al: 0.1% to 3.0%, Mn: 0.1% to 2.0%, REM: 0.0003% to 0.05%, Ti: 0.02% or less, S: 0.005 % or less, and N: 0.005% or less, the balance is composed of Fe and unavoidable impurities, and the mass % of Al represented by [Al], the mass % of N represented by [N], and the mass % of N represented by [Ti ] The mass % of Ti represented by ] satisfies the following formula (1).

A security marker material comprising emissive particles and the emissive particles can be grouped into at least two groups with different size distributions and the size distributions satisfy the formula:

[(x−z)²/(S_x^s+S_z²)]^1/2>1

where x and z are the volume-weighted mean equivalent-spherical diameters of the two particle distributions and S_x and S_z are the standard deviations of the same two distributions. The security marker material is part of a security system and authentication is based on criteria which include responses related to marker size and size distribution. This invention provides a less expensive method of generating a more complex, difficult-to-replicate security code.

A composition comprising a glass-forming binder component and a particulate corrosion resistant component. The particulate corrosion resistant component comprises corrosion resistant particulates having: a CTE_p of at least about 4 and being solid at a temperature of about 1300° F. (704° C.) or greater; and a maximum median particle size defined by one of the following formulas: (a) for a CTE_p of 8 or less, an M_p equal to or less than (4.375×CTE_p)−10; and (b) for a CTEp of greater than 8, an M_p equal to or less than (−4.375×CTE_p)+60, wherein CTE_p is the average CTE of the corrosion resistant particulates and wherein M_p is the median equivalent spherical diameter (ESD), in microns, of the corrosion resistant particulates. Also disclosed is an article comprising a turbine component comprising a metal substrate and a corrosion resistant coating overlaying the metal substrate, as well as a method for forming at least one layer of the corrosion resistant coating adjacent to the metal substrate. The corrosion resistant coating has a maximum thickness defined by one of the following formulas: (3) for a CTE_p of 8 or less, an T_c equal to or less than (1.5×CTE_p)−3.5; and (4) for a CTE_p of greater than 8, an T_c equal to or less than (−1.5×CTE_p)+20.5, wherein T_c is the thickness, in mils, of the corrosion resistant coating.

The invention provides a photothermographic material containing a tabular photosensitive silver halide having an average silver iodide content of 40 mol % or higher, 50% or more of a total projected area of the photosensitive silver halide being occupied by tabular grains having an aspect ratio of 2 or more, the photosensitive silver halide grains having a mean equivalent spherical diameter of from 0.2 μm to 5 μm and a variation coefficient of an equivalent spherical diameter distribution of 30% or less. Further, a method for preparing the photosensitive silver halide used in the photothermographic material is characterized in that grains are formed in the presence of at least one selected from a silver halide solvent and an amino group-modified gelatin. A high-sensitivity photothermographic material exhibiting a low fog and a high optical density is provided.

Provided are a photothermographic material which includes, on at least one side of a support, an image forming layer containing at least a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent, and a binder, and is X-ray exposed with a fluorescent intensifying screen, wherein (1) the photosensitive silver halide includes tabular grains having a mean aspect ratio of 2 to 100 and a mean equivalent spherical diameter of 0.3 μm to 10 μm, (2) an exposure value necessary for obtaining an image density of fog+0.5 after exposing the photothermographic material with monochromatic light having the same wavelength as the main emission peak wavelength of the fluorescent intensifying screen and having a half width of 15 nm±5 nm and thermally developing the photothermographic material is from 1×10⁻⁶ watt·sec·m⁻² to 1×10⁻³ watt·sec·m⁻², and (3) haze of the photothermographic material after thermal devolpment is less than 80% of that before thermal development; and an image forming method using the same.

The invention discloses a cover body, an electronic device and a cover body processing method. The cover body includes a substrate including an outer surface and an inner surface opposite to the outersurface, and a luminous layer disposed on at least one of the outer surface and the inner surface of the substrate, wherein the luminous layer includes luminous powder, the equivalent spherical diameter of the luminous powder is d1, the d1 satisfies that the d1 is not smaller than 60 mum and is not greater than 160 mum, when the luminous layer is disposed on the inner surface of the substrate, the substrate is a transparent member. The cover body is advantaged in that the luminous powder of the cover flickers in the dark and forms a plurality of fine illuminating patterns, the starry look canbe created, enhancing the product texture and the ornamental degree of the cover body is facilitated, setting light emitting devices such as LED lamps is not needed, additional power consumption canbe avoided, and the cost is low.

A pigment product for use in a coating composition to provide a gloss coating on paper, the pigment product comprising a processed particulate kaolin having a particle size distribution such that at least about 80% by weight of the particles have an equivalent spherical diameter less than about 2 p,m and in the range of from about 10% to about 20% by weight of the particles have an equivalent spherical diameter less than about 0.25 wm, the particles have a shape factor in the range of from about 20 to about 36 and the particles have a particle steepness in the range of about greater than about 35, more preferably in the range of about 35 to about 40, and wherein the kaolin is derived from a secondary kaolin source.

The invention discloses a CFD-DEM seepage erosion damage simulation method considering particle shapes, which comprises the following steps: determining particle shape parameters of a sample in a DEM module, and calculating the particle size of non-spherical particles by using an equivalent spherical diameter method; configuring at least two preset spaces in the DEM module, and generating samples in the preset spaces by adopting a layered compaction method, wherein a solid plate is adopted between every two adjacent preset spaces; establishing a fluid model in the CFD module; carrying out bidirectional coupling on the coupling module in the DEM module and the CFD module, replacing solid plates at the two ends of a sample with pore plates, and simulating the process of seepage erosion damage through coupling calculation. A sample of the non-spherical particles is established through discrete elements, bidirectional coupling calculation is carried out on the sample and a CFD module, the interaction mechanism of the particles and fluid can be further researched from macro and micro angles, the influence of the particle shape on seepage erosion damage is considered, the accuracy is higher, and the method is more suitable for engineering practice.

A polyester resin composition having an equivalent spherical diameter of 1 mm to 50 mm, a degree of crystallization of not less than 65% and less than 99%, an intrinsic viscosity of not more than 0.7 dl/g and a cyclic trimer content of not more than 0.4% by weight. This polymer resin composition has an excellent color tone, causes no significant viscosity lowering or viscosity rise, and can withstand a process which is exposed to a long-term thermal history. A polyester resin composition having a viscosity suitable for extrusion in a general-purpose manner, a production process thereof, and a polyester film are also provided.

The invention provides a method of improving the corrosion resistance of a metal substrate. The method comprises:

• (a) electrophoretically depositing on the substrate a curable electrodepositable coating composition to form a coating over at least a portion of the substrate, and
• (b) heating the substrate to a temperature and for a time sufficient to cure the coating on the substrate. The electrodepositable coating composition comprises a resinous phase dispersed in an aqueous medium, the resinous phase comprising:
  • (1) an ungelled active hydrogen-containing, cationic salt group-containing resin electrodepositable on a cathode;
  • (2) an at least partially blocked polyisocyanate curing agent; and
  • (3) a pigment component comprising an inorganic, platelike pigment having an average equivalent spherical diameter of at least 0.2 microns. The electrodepositable coating composition demonstrates a pigment-to-binder ratio of at least 0.5. The coating composition contains less than 8 percent by weight of a grind vehicle.

A silver halide photosensitive material having at least one blue-sensitive layer, at least one green-sensitive layer, and at least one red-sensitive layer, on a transparent support, wherein at least one of the green-sensitive layers contains a coupler represented by general formula (I) or general formula (Z), and all of the green-sensitive layers contain silver halide emulsion having an average equivalent-spherical diameter of 0.35 μm or less:

Disclosed is a snow making method incorporating nucleation agent particles into water and in spraying the water containing the nucleation agent particles onto a surface or into an ambiance whose temperature is lower than 0° C., by way of a device for producing snow or ice. The nucleation agent particles consist in silicate particles whose unit equivalent spherical diameter is lower than 15 μm, and preferably lower than 5 μm. Also disclosed is the powdery product for implementing the method.