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2. Units of textile measurement - Wikipedia

   en.wikipedia.org/wiki/Units_of_textile_measurement

   Den is a direct measure of linear density. [5] dtex (deci-tex): Grams per 10,000 metres of yarn. Dtex is a direct measure of linear density. [5] gr/yard: Grains per yard of yarn. Gr/yard is a direct measure of linear density, but is rarely used in the modern textile industry. ECC or NeC or Ne (English Cotton Count): The number of 840 yd lengths ...

3. Number density - Wikipedia

   en.wikipedia.org/wiki/Number_density

   Area number density is the number of specified objects per unit area, A: ′ =, Similarly, linear number density is the number of specified objects per unit length, L: ″ =, Column number density is a kind of areal density, the number or count of a substance per unit area, obtained integrating volumetric number density along a vertical path: n ...

4. Area density - Wikipedia

   en.wikipedia.org/wiki/Area_density

   A special type of area density is called column density (also columnar mass density or simply column density), denoted ρ A or σ. It is the mass of substance per unit area integrated along a path; [ 1 ] It is obtained integrating volumetric density ρ {\displaystyle \rho } over a column: [ 2 ] σ = ∫ ρ d s . {\displaystyle \sigma =\int \rho ...

5. Linear density - Wikipedia

   en.wikipedia.org/wiki/Linear_density

   Consider a long, thin wire of charge and length .To calculate the average linear charge density, ¯, of this one dimensional object, we can simply divide the total charge, , by the total length, : ¯ = If we describe the wire as having a varying charge (one that varies as a function of position along the length of the wire, ), we can write: = Each infinitesimal unit of charge, , is equal to ...

6. Specific strength - Wikipedia

   en.wikipedia.org/wiki/Specific_strength

   One Yuri equals 1 Pa⋅m 3 /kg or 1 N⋅m/kg, which is the breaking/yielding force per linear density of the cable under tension. [42] [43] A functional Earth space elevator would require a tether of 30–80 megaYuri (corresponding to 3100–8200 km of breaking length). [44]

7. Here are 12 well-known companies that went bankrupt in 2024 - AOL

   www.aol.com/finance/12-well-known-companies-went...

   Joann. The 81-year-old fabric and craft retailer filed for bankruptcy in March, falling victim to customers cutting back on spending, including on fabric, arts and supplies materials. Joann’s ...