Next In, First Out: NIFO Valuation Explained, with Example

Discover NIFO, a unique inventory valuation method based on replacement cost instead of original cost, its working mechanism, ...
C&EN

Stereochemical secrets of secalosides A and B revealed at last

The nearly 30-year tale of secalosides A and B began in 1997, when natural product chemists identified them as components of rye pollen extract. Although the compounds were inactive in lab tests with ...
C&EN

Professional groups partner to address fuel standards

The ASTM International committee on petroleum products, liquid fuels, and lubricants and the ACS Energy and Fuels Division partner to create fuel standards ...

Farewell to Quartz Dependence-Lithium Niobate Drives Dual Innovations in Materials and Structure for Trace Gas Detection

In this paper, a novel self-designed inverted-triangular lithium niobate tuning fork (LiNTF) was used to construct gas ...
IEEE

Semi-Analytical Method for Determination of Air Bridge Interconnect for GaAs-Based p-i-n Diode

Abstract: Semi-analytical method for the determination of extrinsic and intrinsic model parameters for GaAs-based p-i-n diode is presented in this article. The main advantage is that the air-bridge ...
IEEE

Analytical Calculation Method for Power Supply Reliability of Distribution Systems With Multiple Tie Lines

Abstract: The existing methods for distribution system reliability assessment mainly adopt the multiple iteration calculation modes of traversal search of failure scenarios one by one to get the ...