hay equivalent - определение. Что такое hay equivalent
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Что (кто) такое hay equivalent - определение

Equivalent matrices; Equivalent matrix

Equivalent weight         
  • Beads of an ion-exchange polymer.
  • Jeremias Benjamin Richter (1762–1807), one of the first chemists to publish tables of equivalent weights, and also the coiner of the word "[[stoichiometry]]".
  • Powdered bis(dimethylglyoximate)nickel. This coordination compound can be used for the gravimetric determination of nickel.
  • Burette over a conical flask with [[phenolphthalein]] indicator used for [[acid–base titration]]
IN CHEMISTRY
Equivalent Weight; Equivalent mass; Gram equivalent; Gram-equivalent weight; Equivalent weight (chemistry)
In chemistry, equivalent weight (also known as gram equivalentgram equivalent Merriam-Webster Dictionary) is the mass of one equivalent, that is the mass of a given substance which will combine with or displace a fixed quantity of another substance. The equivalent weight of an element is the mass which combines with or displaces 1.
Haymaking         
  • A traditional method of storing wheat hay in Punjab.
  • Haymakers, from the ''[[Grimani Breviary]]'', c. 1510.
  • Close view of loose grass hay.<!--fluffed out from a newly-opened bale-->
  • When possible, hay, especially small square bales like these, should be stored under cover and protected from [[precipitation]].
  • Late 19th-century hay boat with small square bales
  • Field of freshly baled round hay bales.
  • These round bales have been left in the field for many months, perhaps more than a year, exposed to weather, and appear to be rotting. Not all animals can safely eat hay with rot or mold
  • A tractor mowing a hay field, with the cut hay lying in the foreground.
  • 1885}}
  • Modern small-scale transport. Pickup truck loaded with "large square" bales
  • A completely wrapped [[silage]] bale in [[Austria]].
  • Horses eating hay
  • A [[round baler]] dumping a freshly rolled hay bale
  • Different balers can produce hay bales in different sizes and shapes. Here two different balers were used to create both large round bales and small square bales.
  • Round bales are harder to handle than square bales but compress the hay more tightly. This round bale is partially covered with net wrap, which is an alternative to [[twine]].
  • Poor-quality hay is dry, bleached out and coarse-stemmed. Sometimes, hay stored outdoors will look like this on the outside but still be green inside the bale. A dried, bleached or coarse bale is still edible and provides some nutritional value as long as it is dry and not moldy, dusty, or rotting.
DRIED GRASS, LEGUMES OR OTHER HERBACEOUS PLANTS USED AS ANIMAL FODDER
Haystalk; Haying; Hay bale; Haystacks; Grass hay; Hay balers; Haymaking; Haystack (pile); Haystack; Hay meadow; Hay bales
·noun The operation or work of cutting grass and curing it for hay.
haystack         
  • A traditional method of storing wheat hay in Punjab.
  • Haymakers, from the ''[[Grimani Breviary]]'', c. 1510.
  • Close view of loose grass hay.<!--fluffed out from a newly-opened bale-->
  • When possible, hay, especially small square bales like these, should be stored under cover and protected from [[precipitation]].
  • Late 19th-century hay boat with small square bales
  • Field of freshly baled round hay bales.
  • These round bales have been left in the field for many months, perhaps more than a year, exposed to weather, and appear to be rotting. Not all animals can safely eat hay with rot or mold
  • A tractor mowing a hay field, with the cut hay lying in the foreground.
  • 1885}}
  • Modern small-scale transport. Pickup truck loaded with "large square" bales
  • A completely wrapped [[silage]] bale in [[Austria]].
  • Horses eating hay
  • A [[round baler]] dumping a freshly rolled hay bale
  • Different balers can produce hay bales in different sizes and shapes. Here two different balers were used to create both large round bales and small square bales.
  • Round bales are harder to handle than square bales but compress the hay more tightly. This round bale is partially covered with net wrap, which is an alternative to [[twine]].
  • Poor-quality hay is dry, bleached out and coarse-stemmed. Sometimes, hay stored outdoors will look like this on the outside but still be green inside the bale. A dried, bleached or coarse bale is still edible and provides some nutritional value as long as it is dry and not moldy, dusty, or rotting.
DRIED GRASS, LEGUMES OR OTHER HERBACEOUS PLANTS USED AS ANIMAL FODDER
Haystalk; Haying; Hay bale; Haystacks; Grass hay; Hay balers; Haymaking; Haystack (pile); Haystack; Hay meadow; Hay bales
¦ noun a large packed pile of hay.

Википедия

Matrix equivalence

In linear algebra, two rectangular m-by-n matrices A and B are called equivalent if

B = Q 1 A P {\displaystyle B=Q^{-1}AP}

for some invertible n-by-n matrix P and some invertible m-by-m matrix Q. Equivalent matrices represent the same linear transformation V → W under two different choices of a pair of bases of V and W, with P and Q being the change of basis matrices in V and W respectively.

The notion of equivalence should not be confused with that of similarity, which is only defined for square matrices, and is much more restrictive (similar matrices are certainly equivalent, but equivalent square matrices need not be similar). That notion corresponds to matrices representing the same endomorphism V → V under two different choices of a single basis of V, used both for initial vectors and their images.