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A temperature-controlled shaker, as used in biochemistry work. A shaker is a piece of laboratory equipment used to mix, blend, or agitate substances in a tube or flask by shaking them. It is mainly used in the fields of chemistry and biology. A shaker contains an oscillating board that is used to place the flasks, beakers, or test tubes.
Rockers are often used in place of shakers when less aggressive mixing is required. Rockers are commonly used for staining and de-staining gels after electrophoresis , hybridization , [ 1 ] washing, blotting , [ 2 ] Cell culture [ 3 ] and gentle mixing.
Open University (Indonesian: Universitas Terbuka, abbreviated as UT) is a public university in South Tangerang, Banten, Indonesia.The university employs a Open and Distance Learning (ODL) system to widen access to higher education to all Indonesian citizens, including those who live in remote islands throughout the country, and in various parts of the world.
In the early 1930s, most vibratory separators had a rectangular or square design employing simple reciprocating movement. After the introduction of machines utilizing gyratory motion with orbital movements, there was a huge change in machinery industry due to the much greater screen area usage and capacity per unit mesh area.
Typical shale shakers on a drilling rig. Shale shakers are components of drilling equipment used in many industries, such as coal cleaning, mining, oil and gas drilling.They are the first phase of a solids control system on a drilling rig, and are used to remove large solids from the drilling fluid ("mud").
Diagram of the HOMO and LUMO of a molecule. Each circle represents an electron in an orbital; when light of a high enough frequency is absorbed by an electron in the HOMO, it jumps to the LUMO. 3D model of the highest occupied molecular orbital in CO 2 3D model of the lowest unoccupied molecular orbital in CO 2
Coupled cluster (CC) is a numerical technique used for describing many-body systems.Its most common use is as one of several post-Hartree–Fock ab initio quantum chemistry methods in the field of computational chemistry, but it is also used in nuclear physics.
However the true H–C–H angle in singlet methylene is about 102° [9] which implies the presence of some orbital hybridisation. The carbon atom can also bond to four hydrogen atoms in methane by an excitation (or promotion) of an electron from the doubly occupied 2s orbital to the empty 2p orbital, producing four singly occupied orbitals.