Help


[permalink] [id link]
+
Page "Lutetium" ¶ 0
from Wikipedia
Edit
Promote Demote Fragment Fix

Some Related Sentences

is and last
It is the last of the three tests of manhood which the women impose, to discover if a male is worthy of survival there.
He thought of the jungles below him, and of the wild, strange, untracked beauty there and he promised himself that someday he would return, on foot perhaps, to hunt in this last corner of the world where man is sometimes himself the hunted, and animals the lords.
I knew that a conversation with the author would not settle such questions, because a man is not the same as his writing: in the last analysis, the questions had to be settled by the work itself.
as Piepsam says to the crowd in his last moments: `` His justice is not of this world ''.
This is brought out in the next to last chapter of the book, `` A Hero's Funeral '', written in the form of an impassioned prose poem.
but when the bird is found at last, it turns out to be a fake.
The dweller at p is last to hear about a new cure, the slowest to announce to his neighbors his urgent distresses, the one who goes the farthest to trade, and the one with the greatest difficulty of all in putting over an idea or getting people to join him in a cooperative effort.
One of the obvious conclusions we can make on the basis of the last election, I suppose, is that we, the majority, were dissatisfied with Eisenhower conservatism.
In any case but the last, such a course is sure to avenge itself upon the individual ; ;
but the possibility of this effort is bound up with that development of historical thought which is the greatest achievement of our civilization in the last two centuries, and it is utterly impossible to people in whom this development has not taken place.
There is every reason to recognize that in the very last years of his life, as we shall see, Thompson did take the drug in carefully rationed doses to ease the pains of his illness, but the exact date at which this began has never been determined.
That is, we must find Saxons in East Anglia, Kent, Sussex and Hampshire in the last half of the fourth century.
My last gift to him is complete silence until the book is out and the first heated discussion dies down.
Considering then the optimism which has permeated science fiction for so long, what is really remarkable is that during the last twelve years many science-fiction writers have turned about and attacked their own cherished vision of the future, have attacked the Childhood's End kind of faith that science and technology will inevitably better the human condition.
Since the great flood of these dystopias has appeared only in the last twelve years, it seems fairly reasonable to assume that the chief impetus was the 1949 publication of Nineteen Eighty-Four, an assumption which is supported by the frequent echoes of such details as Room 101, along with education by conditioning from Brave New World, a book to which science-fiction writers may well have returned with new interest after reading the more powerful Orwell dystopia.
The reason is, I think, my awareness that my remarks last quarter on pacifism may well have served to confirm the opinion of some that my tendency to skepticism and dissent gets us nowhere, and that I am simply too old to hope.
For as his companions gradually dissolve back into a state of primitive confrontation with elemental necessity, as they lose all the appanage of their acquired culture, he is overcome by the feeling that he is at last being confronted with the essence of mankind.
Actually it amounts to $1,250,000 above what the institution already is receiving, considering the additional half-million dollars Gov. Vandiver allocated last year from the state surplus.
But since last fall the United States has been moving toward a pro-neutralist position and now is ready to back the British plan for a cease-fire patrolled by outside observers and followed by a conference of interested powers.

is and element
Another element to concern the choreographer is that of the visual devices of the theatre.
indeed, it is maintained that the sexual element in jazz, by freeing the listener of his inhibitions, can have therapeutic value.
The rocking, I realized, is the single element in the story that carries the erotic message, the unspoken and unconscious undercurrent that would mar the innocence of a child's fantasy and disturb the effects of the work if it were made explicit.
It is a matter of trying to sort out an earlier fourth-century Saxon element from the later, fifth-century mainstream of Anglo-Saxon invasions.
Although the United States and the U.S.S.R. have been arguing whether there shall be four, five or six top assistants, the most important element in the situation is not the number of deputies but the manner in which these deputies are to do their work.
The element is inserted in the discharge circuit in place of the exploding wire, and the calorimetric heating of the element is measured with high accuracy.
This is used as a reference for comparing the ohmic heating and the electrical energy obtained from the measured current through the element and the measured voltage across the element.
The Strategic Air Command is the principal element of our long-range nuclear capability.
Steinberg obviously has concluded that it is the lyric element which must dominate in this score, and he manages at times to create the effect of the whole orchestra bursting into song.
There is some indication from a limited number of interviews with members of the population that the element of power, primarily the voluntary influence of non-authoritative power, has been exerted on actors in the system, particularly in regard to mate selection.
Each cell except the last in the chain also contains the address of the Y-cell that is the next element of the chain ; ;
This element is often called `` strong hands ''.
A sixth element, not always considered, is intelligence.
Proponents of single elements tend to ensure predominance of that element without determining if it is justified, and the element with the most enthusiastic and vociferous proponents has assumed the greatest importance.
While one element is announcing progress, another is delineating its problems.
The advantages inherent in mine warfare justify as great an importance for this element as is accorded any of the other elements.
Of course, there is an element of training here: these gifted people, by concentration, study, guidance, have learned to develop their power.
the cinematic element of time is merely used to increase the realism of an object which would still be reasonably realistic in a still photo.
Science is fully competent to deal with any element of experience which arises from an object in space and time.

is and lanthanide
This transuranic element of the actinide series is located in the periodic table below the lanthanide element europium, and thus by analogy was named after another continent, America.
In the periodic table, it is located to the right of the actinide curium, to the left of the actinide californium and below the lanthanide terbium with which it shares many similarities in physical and chemical properties.
A similar behavior is observed for the lanthanide analogue of berkelium, terbium.
At least one additional, two-letter generic chemical symbol is also in informal usage, " Ln " for any lanthanide element.
Being a typical member of the lanthanide series, europium usually assumes the oxidation state + 3, but the oxidation state + 2 is also common: all europium compounds with oxidation state + 2 are slightly reducing.
This ion-exchange process is the basis of the " negative europium anomaly ", the low europium content in many lanthanide minerals such as monazite, relative to the chondritic abundance.
Erbium () is a chemical element in the lanthanide series, with the symbol Er and atomic number 68.
Fractionation of the lanthanide series elements is used to compute ages since rocks were removed from the mantle.
Part of the lanthanide series, holmium is a rare earth element.
Lanthanum is a silvery white metallic element that belongs to group 3 of the periodic table and is the first element of the lanthanide series.
Lanthanum is relatively easy to purify, since it has only one adjacent lanthanide, cerium, which itself is very readily removed due to its potential tetravalency.
Unlike other lanthanides, which lie in the f-block of the periodic table, this element lies in the d-block ; however, lanthanum is sometimes placed on the d-block lanthanide position.
Chemically, lutetium is a typical lanthanide: its only common oxidation state is + 3, seen in its oxide, halides and other compounds.
The informal chemical symbol Ln is used in general discussions of lanthanide chemistry to refer to any lanthanide.
All but one of the lanthanides are f-block elements, corresponding to the filling of the 4f electron shell ; lutetium, a d-block element, is also generally considered to be a lanthanide due to its chemical similarities with the other fourteen.
All lanthanide elements form trivalent cations, Ln < sup > 3 +</ sup >, whose chemistry is largely determined by the ionic radius, which decreases steadily from lanthanum to lutetium.
Between rows 3 and 4, the lanthanide contraction is observed – there is very little increase of the radius down the group due to the presence of poorly shielding f orbitals.
Chemically, promethium is a lanthanide, which forms salts when combined with other elements.

0.133 seconds.