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单词 cementation
例句 cementation
The life of Tina Turner — her rise to stardom, her escape from an abusive relationship, her cementation as a figure of rock resilience — is revisited in this new documentary from Daniel Lindsay and T.J. What’s on TV This Week: ‘Coded Bias’ and ‘Tina’ 2021-03-22T04:00:00Z
The grain size, sorting, compaction, and degree of cementation of the rocks all influence primary porosity. Physical Geology 2015-01-01T00:00:00Z
These iron oxides coat and bind mineral grains together into sedimentary rocks in a process called cementation and often give these rocks a dominant color. An Introduction to Geology 2017-01-01T00:00:00Z
"We're most interested to find clues as to the aqueous geochemistry which resulted in cementation of the sedimentary rocks," he told the BBC this week. Mars rover drills for rock sample 2014-05-06T16:59:47Z
In the cementation process, bars of wrought iron are imbedded in powdered charcoal in a fireclay trough, and kept at a high temperature in a furnace for several days. An Introduction to Machine Drawing and Design 2012-03-06T03:00:25.777Z
Their hardness and the degree of cementation may be tested by means of a file. Gas-Engines and Producer-Gas Plants A Practice Treatise Setting Forth the Principles of Gas-Engines and Producer Design, the Selection and Installation of an Engine, Conditions of Perfect Operation, Producer-Gas Engines and Their Possibilities, the Care of Gas-Engines and Producer-Gas Plants, with a Chapter on Volatile Hydrocarbon and Oil Engines 2011-12-28T03:00:31.087Z
He also gives the method of parting with antimony and sulphur, and by cementation with common salt. De Re Metallica, Translated from the First Latin Edition of 1556 2011-11-16T03:00:21.977Z
The processes of cementation, compaction, and ultimately lithification occur within the realm of diagenesis, which includes the processes that turn organic material into fossils. An Introduction to Geology 2017-01-01T00:00:00Z
After cementation the plate is heated to a certain temperature and is then plunged into an oil bath in order to toughen it. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 6 "Armour Plates" to "Arundel, Earls of"
When it is of a chemical character, the process is one of cementation, due to the occlusion of gases in the molecules of the metals. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 2 "Anjar" to "Apollo"
All of these changes may be grouped under the general term cementation. The Economic Aspect of Geology
It seems probable that the Ancients did part gold and silver by cementation. De Re Metallica, Translated from the First Latin Edition of 1556 2011-11-16T03:00:21.977Z
Coherence -- N. coherence, adherence, adhesion, adhesiveness; concretion accretion; conglutination, agglutination, agglomeration; aggregation; consolidation, set, cementation; sticking, soldering &c. v.; connection; dependence. tenacity, toughness; stickiness &c. Roget's Thesaurus of English Words and Phrases
We first find mention of parting with sulphur in the 12th century, with nitric acid prior to the 14th century, by antimony sulphide prior to the 15th century, and by cementation with nitre by Agricola. De Re Metallica, Translated from the First Latin Edition of 1556 2011-11-16T03:00:21.977Z
It is a cementation process, practised on wrought iron and mild steel, and applied to the link motions of engines, to many pins and studs, eyes of levers, &c. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 2 "Anjar" to "Apollo"
The former term is also applied to less profound changes in connection with igneous intrusions, which result merely in cementation without mashing. The Economic Aspect of Geology
While nitric acid will only part gold and silver when the latter is in great excess, yet when applied as fumes under cementation conditions it appears to react upon a minor ratio of silver. De Re Metallica, Translated from the First Latin Edition of 1556 2011-11-16T03:00:21.977Z
In fact, a series of hybrid methods between absolute melting with sulphur and cementation with salt, were in use, much like those mentioned by Agricola on p. De Re Metallica, Translated from the First Latin Edition of 1556 2011-11-16T03:00:21.977Z
Assuming the latter case, then all of the necessary elements of cementation, i.e., vitriol, salt, and an aluminous or silicious element, are present. De Re Metallica, Translated from the First Latin Edition of 1556 2011-11-16T03:00:21.977Z
He was familiar with amalgamation, cupellation, the separation of gold and silver by cementation with salt and by nitric acid. De Re Metallica, Translated from the First Latin Edition of 1556 2011-11-16T03:00:21.977Z
The phase of metamorphism dealing with the constructive changes in rocks, due to cementation, dynamic movements, and igneous influences, is called anamorphism. The Economic Aspect of Geology
As to cementation with salt, however, we have some data at about the beginning of the Christian Era. De Re Metallica, Translated from the First Latin Edition of 1556 2011-11-16T03:00:21.977Z
A special phase of consolidation and cementation is produced near intrusive igneous rocks through the action of the heat and pressure and the expelled substances of the igneous rock. The Economic Aspect of Geology
Dynamic and contact metamorphism may in some cases produce rocks identical in appearance with those produced by ordinary processes of cementation and recrystallization without movement. The Economic Aspect of Geology
The so-called secondary enrichment of many valuable veins is merely one of the special phases of cementation from a superficial source. The Economic Aspect of Geology
In general, openings in rocks tend to diminish with depth, due to cementation and to closing of cavities by pressures which are too great for the rock to withstand. The Economic Aspect of Geology
That it refers to cementation at all hangs by a slender thread, but it seems more nearly this than anything else. De Re Metallica, Translated from the First Latin Edition of 1556 2011-11-16T03:00:21.977Z
Favorable conditions may also be merely differences in porosity of beds in irregular zones, determined by differences either in original deposition or in later cementation. The Economic Aspect of Geology
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