chaff


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chaff

the dry membranous bracts enclosing the flowers of certain composite plants

Chaff

 

the resulting waste products from threshing and cleaning the grains of cereal and leguminous plants. It consists of hulls, bits of spikelets, ground leaves, underweight grains, and the seeds of weeds. The nutritional value of chaff is higher than that of straw. One kg of wheat chaff contains 0.43 feed units and 26 g of digestible protein; 1 kg of rye chaff contains 0.40 feed units and 21 g of digestible protein; and 1 kg of oat chaff contains 0.44 feed units and 23 g of digestible protein.

Chaff may be used in mixtures with succulent feeds, wet mash, molasses, and other slops for fattening cattle, horses, and swine. When grain is harvested by combine, the chaff is mixed with straw and is thus used as feed for animals.

chaff

[chaf]
(agriculture)
Seed coverings and small stem pieces which are separated from grass and grain seeds in threshing or processing.
(ordnance)
Thin, flat pieces of metal foil, plain or backed, designed to act as a countermeasure against enemy radar when released into the atmosphere.

chaff

The general name applied to radar confusion refractors, which consists of thin, narrow, metallic strips of various lengths and frequency responses fired into or dropped through the atmosphere in order to deflect radar signals and so prevent detection by the enemy radar. These radar-reflective particulate matter or dipoles are sized to known or suspected enemy wavelengths. This is the earliest form of electronic warfare. Also known as windows.
References in periodicals archive ?
Step 1 : Perform chaff points Fork=l: m Y=change X(x [right arrow] y, y [right arrow] x, T=T+1) End for Step 2: Mix new chaff point with original minutiae Z=(X, Y) concatenate Output Z(x,y,T) End Algorithm A representation of original extracted minutiae for FVC2002, DB1_1,101_1 from table 1 shown in figure 4.
A reserved point set R, as explained previously, is used as the primary restriction for creating chaff point C.
The author grew up in a home where stories about his Eastern European ancestors escape from the pogroms of Russia were served at mealtime and led Joel to write "The Chaff," a novel of coming toAmerica.
The idea of chaff vector generation is shown in Figure 2, where genuine matching distances are concentrated in the smallest circle, impostor matching distances are in the largest circle, and chaff vectors are added in the middle circle, so as to prevent the adversary from knowing which are genuine vectors, even though the adversary has impostor biometric features.
The amount of alkali released from the non-legume biochars followed the order canola straw [greater than or equal to] corn straw > rice straw > wheat straw > rice chaff. The lowest ash alkalinity of rice chaff led to the lowest alkalinity of the corresponding biochar.
Also positive correlation between fertile tillers with chaff weight, days to heading with days to maturity and 1000 grain weight, days to maturity with 1000 grain weight, plant height with number of seeds per main spike, and 1000 grain weight with harvest index was obtained.
In order to thoroughly comprehend the contents of Gabriel North's book Threshing the Cosmic Chaff it is imperative that readers understand the significance of the book's title.
If the wind changed and blew back on the big machine, it brought a rain of suffocating straw and chaff.
Chaff is named after a plant's pollen or seeds that blow in the wind, Gassman says, because it is meant to replicate that concept.
WHEN a military aircraft fears it is under attack from a missile, it throws out flares and chaff to confuse the missile and thereby survive the attack.
One day he was spraying the chaff out while roasting a full batch on a 120K Probat and left the auxiliary door open.
The chaff from the wheat is demonstrated by accepting what the Lord has made acceptable in his eyes and repenting of that which is not.