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In chemistry, valence bond (VB) theory is one of the two basic theories, along with molecular orbital (MO) theory, that were developed to use the methods of quantum mechanics to explain chemical bonding. It focuses on how the atomic orbitals of the dissociated atoms combine to give individual chemical bonds when a molecule is formed.
Modern valence bond theory is the application of valence bond theory (VBT) with computer programs that are competitive in accuracy and economy, with programs for the Hartree–Fock or post-Hartree-Fock methods. The latter methods dominated quantum chemistry from the advent of digital computers because they were easier to program. The early ...
Virtual Audio Cable is a software product based on WDM multimedia driver that allows a user to transfer audio streams from one application to another. Any application is able to send an audio stream to the input side of a "virtual cable" while a corresponding application can receive this stream from the output side.
Once the stack is prepared, it is placed in the transfer system, and a current of suitable magnitude is applied for a suitable period of time according to the materials being used. Typically the electrophoresis gel is stained with Coomassie brilliant blue following the transfer to ensure that a sufficient quantity of material has been transferred.
MOVEit Cloud was announced in 2012 as a cloud-based file transfer management software. [11] MOVEit Cloud was the first enterprise-class cloud managed file transfer software. It is scalable and can share files system-to-system, with groups, or person-to-person. [12] In 2013, MOVEit clients were released for the iOS and Android platforms.
Keep in mind that a credit card issuer may approve your transfer application for a smaller amount than you requested. Say your debt balance is $10,000 and you have a $7,000 credit limit. You can ...
A large amount of heat transfer area can be provided in each unit volume of the rotary regenerator, compared to a shell-and-tube heat exchanger - up to 1000 square feet of surface can be contained in each cubic foot of regenerator matrix, compared to about 30 square feet in each cubic foot of a shell-and-tube exchanger. [4]
Lunar transfer, perspective view. TLI occurs at the red dot near Earth. A trans-lunar injection (TLI) is a propulsive maneuver, which is used to send a spacecraft to the Moon. Typical lunar transfer trajectories approximate Hohmann transfers, although low-energy transfers have also been used in some cases, as with the Hiten probe. [1]