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单词 coccus
例句 coccus
Each insect, known as Dactylopius coccus, must be bred to a larvae stage and “planted” on a previously wounded cactus pad, and then left for months to feed and mature. Family in central Mexico struggles to preserve the natural way of producing intense red dye 2023-09-01T04:00:00Z
“Tersi” is Latin for clean, as in clean room, and “coccus” comes from Greek and describes the bacterium in this genus’s berrylike shape. New Bacterial Life-Form Discovered in NASA and ESA Spacecraft Clean Rooms 2013-11-20T12:15:00.360Z
Its use raised objections by vegans and vegetarians because it comes from the Dactylopius coccus, a small white insect gives a vibrant red color when crushed. Rub A Dub Dub, Is It Time To Eat Grubs? 2013-06-04T13:45:00.157Z
This word also appears in Fr. coq, and medieval Lat. coccus. Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 3 "Helmont, Jean" to "Hernosand" 2012-04-14T02:00:23.707Z
Thallus orbicular, 3–6´´ broad, covered by the clustered inflated involucres, which are nearly 1´´ long, 3–4 times the length of the capsule; coccus 102–127 µ wide, indistinctly lobed. The Manual of the Botany of the Northern United States Including the District East of the Mississippi and North of North Carolina and Tennessee 2012-04-12T02:00:30.140Z
Phylloxera, fil-ok-sē′ra, n. a genus of insects, belonging to a family nearly related to aphides and coccus insects, very destructive to vines. Chambers's Twentieth Century Dictionary (part 3 of 4: N-R) 2012-01-30T03:00:13.887Z
The coccus of the prickly pear, in Central America, is gathered and dried to form the cochineal of the shops. American Pomology Apples 2011-10-03T02:00:29.477Z
Three of the four coccus forms were classified as M. luteus. Chlorination of Water 2011-09-13T02:00:32.243Z
The female coccus, whilst young, attaches itself by its proboscis to a plant; sucks the sap but never moves again; is fertilised and lays eggs; and this is its whole history. The Descent of Man and Selection in Relation to Sex, Vol. I 2011-01-17T03:00:49.523Z
Madder is derived from mad, a worm, and should therefore be applied to cochineal, the red colouring matter produced by the minute creature called a coccus Springtime and Other Essays
But if the action of the ultra-violet rays is continued," went on Craig, "the microbe changes into a coccus, and then into a filiform bacillus. The Social Gangster
An average diameter may be taken as about one thirty-thousandth of an inch, while the length varies naturally several fold, depending upon whether the type under observation is a coccus or a bacillus. Outlines of dairy bacteriology A concise manual for the use of students in dairying
Diplococcus.—A form of coccus in which two individuals remain attached after cell division has taken place. American Red Cross Text-Book on Home Hygiene and Care of the Sick
On the whole, the difference in mental power between an ant and a coccus is immense; yet no one has ever dreamed of placing them in distinct classes, much less in distinct kingdoms. The Descent of Man and Selection in Relation to Sex, Vol. I 2011-01-17T03:00:49.523Z
The dye is the product of the bodies of females of the species of coccus which infest certain trees along the Mediterranean coasts. Rugs: Oriental and Occidental, Antique & Modern A Handbook for Ready Reference
The Hebrew word “worm”, means the small insect, the coccus, from which the scarlet color is obtained by death of this worm, that color which was used in connection with the tabernacle. The Lord of Glory Meditations on the person, the work and glory of our Lord Jesus Christ
This fact increases the probability that these comparatively inert coccus forms of the udder may originate directly from the blood stream. Outlines of dairy bacteriology A concise manual for the use of students in dairying
From some unknown cause, the Winter Majetin apple enjoys the great advantage of not being infested by the coccus. The Variation of Animals and Plants Under Domestication, Volume II (of 2)
Even the common lactic acid germ and a yellow liquefying coccus isolated from the fore milk failed to persist for more than a few days when thus artificially introduced. Outlines of Dairy Bacteriology, 8th edition A Concise Manual for the Use of Students in Dairying
If the second test is satisfactory, test the candle against a cultivation of a very small coccus, e. g., The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged.
In Venezuela, the cactus plants, which grow so abundantly, serve to nourish the valuable though odd-looking little coccus cacti. The Western World Picturesque Sketches of Nature and Natural History in North and South America
Most organisms of special significance in dairying belong to the coccus or bacillus group. Outlines of dairy bacteriology A concise manual for the use of students in dairying
Lubbock, Mr., on the nerves of coccus, 46. On the Origin of Species by Means of Natural Selection or the Preservation of Favoured Races in the Struggle for Life. (2nd edition)
Whether the criminal is a harmless native white coccus which has suddenly developed anti-social tendencies, or a Mongolian immigrant who has been accidentally introduced, is still an open question. Preventable Diseases
Those husky shells, which I had observed, were no other p. 147than the female coccus, from whose side this cotton-like substance exudes, and serves as a covering and security for their eggs.” The Natural History of Selborne, Vol. 2
This insect is the "coccus ilicis," which feeds upon the leaves of the prickly oak in the south of Europe. Field's Chromatography or Treatise on Colours and Pigments as Used by Artists
Then there are two other exceedingly deadly germs, which kill more people than any other disease known to humanity—the bacillus of consumption, and the coccus of pneumonia. A Handbook of Health
‘Grain’ is from Lat. granum, a seed, applied to small objects, and hence to the coccus or cochineal insect which yields a variety of red dyes. Milton's Comus
The American lexicographer Webster gives, strangely enough albus coccus as its derivation. Notes and Queries, Number 56, November 23, 1850
It is practically a fact that wherever there is found a diffuse abscess there will be discovered the streptococcus pyogenes, which is the name of the chain coccus above mentioned. Scientific American Supplement, No. 810, July 11, 1891
Like the "coccus cacti," it is covered with a whitish dust, and yields a tinctorial matter soluble in water and alcohol. Field's Chromatography or Treatise on Colours and Pigments as Used by Artists
They multiply by fission, a single coccus forming two, these two producing four, and so on. Scientific American Supplement, No. 787, January 31, 1891
The coffee coccus has generally been first observed in moist, hollow places sheltered from the wind; and thence it has spread itself even over the driest and most exposed parts of the island. Sketches of the Natural History of Ceylon
Cochinilla is from coccus, a berry, as it was at first supposed to be of vegetable origin. Anahuac : or, Mexico and the Mexicans, Ancient and Modern
This form of suppuration is due to a particular form of bacterium called the pus-causing "chain coccus." Scientific American Supplement, No. 810, July 11, 1891
It is an extremely beautiful production, quite unlike any thing I have yet seen, and is, I have no doubt, the scale of a coccus. Journal of an Expedition into the Interior of Tropical Australia
And then, all in a moment, as the sky clouds over on a summer day, there came a dulness in the cochineal market, and the female coccus was being sold at an enormous sacrifice. Phantom Fortune, a Novel
This coccus, my dear friend, increases and multiplies under certain conditions. Bunch Grass A Chronicle of Life on a Cattle Ranch
A new was-producing insect, a species of coccus, very abundant in China, where its annual produce is said to amount to the value of ten millions of francs, has recently attracted notice in France. The Earth as Modified by Human Action
From some unknown cause, certain varieties of the apple enjoy, as we have seen, the great advantage in various parts of the world of not being infested by the coccus. The Variation of Animals and Plants under Domestication — Volume 2
The female coccus, whilst young, attaches itself by its proboscis to a plant; sucks the sap, but never moves again; is fertilised and lays eggs; and this is its whole history. The Descent of Man
Andrew Knight found in one variety or species of the apple which was not in the least attacked by coccus, and another variety has been observed in South Australia. Life and Letters of Charles Darwin — Volume 2
Those husky shells, which I had observed, were no other than the female coccus, from whose sides this cotton-like substance exudes, and serves as a covering and security for their eggs.' The Natural History of Selborne
On the whole, the difference in mental power between an ant and a coccus is immense; yet no one has ever dreamed of placing these insects in distinct classes, much less in distinct kingdoms. The Descent of Man
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