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Fullerenes are similar in structure to graphite, which is composed of stacked graphene sheets of linked hexagonal rings ; but they may also contain pentagonal ( or sometimes heptagonal ) rings.
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Fullerenes and are
In 1999, the diffraction of C < sub > 60 </ sub > fullerenes by researchers from the University of Vienna was reported .< ref > Fullerenes are comparatively large and massive objects, having an atomic mass of about 720 u.
Fullerenes have unusual double bond reactivity and additions such has the Bingel reaction are more frequent.
Fullerenes are molecules of varying sizes composed entirely of carbon, which take the form of a hollow sphere, ellipsoid, or tube.
Fullerenes and .
" Fullerenes have since been found to occur in nature.
Fullerenes and carbon nanotubes, carbon compounds with spheroidal and tubular structures, have stimulated much research into the related field of materials science.
HeLa cells have been used in research involving Fullerenes to induce apoptosis as a part of Photodynamic therapy.
are and similar
As they move through the college years our young men and women are `` socialized '' into a broadly similar culture, at the level of personal behavior.
But there is, nevertheless, always a subtle difference in the way in which supposedly similar opinions are held.
Preparations are being made for similar experiments on CH and SH radicals.
Aids sounds more like a Pony Club, or horsemanship classes -- riding a horse and showing a dog are very similar!!
Commonly used electronic devices which are found in practically every hospital are closed-circuit TV and audio systems for internal paging and instruction, along with radiation counters, timers, and similar devices.
There is one exception to the above statement as has been pointed out, and that is that fluids can relax by flowing into fields of lower rates of shear, so the statement should be modified by stating that the mechanics are similar.
If the mechanics are similar, we can also infer that the thermodynamics will also be similar.
The most distal airways are similar to those found in type 1,, being composed of numerous, apparently true terminal bronchioles and occasional, poorly developed respiratory bronchioles ( figs. 14, 15 ).
Accordingly, maturity level ratings by means of the upper portion and lower portion of the Chart, respectively, should be somewhat similar since Skeletal Age assessments are dependent upon Onsets during infancy and upon Completions during adolescence.
In repetitions of the experiment from couple to couple, the votes of the two persons in a couple probably agree more often than independence would imply, because couples who visit the museum together are more likely to have similar tastes than are a random pair of people drawn from the entire population of visitors.
) These general facts are mentioned to make clear that the total situation in the two families is similar enough to warrant comparison.
There may be certain items which are quite similar to a net operating loss carryover or operating deficit and whose right to survive a reorganization should perhaps be subject to the conditions applicable to those items.
Among infants the patterns of emotional responses are similar ; ;
Where schools, fire and police protection, and similar municipal services are of equal quality in city and country, real estate taxes are usually about the same.
In the search for oil and gas, we make similar waves under controlled conditions with dynamite and learn from them where there are buried rock structures favorable to the accumulation of these resources.
and it is better to be shamed and criticized by one's parents, who already consider one different and difficult to understand, than by one's peers, who are also experiencing a similar groping for and denial of adult status.
the majority of such contacts are with people of similar social and economic position ; ;
The Indians and Pakistanis are chafing under similar restrictions on the British market for similar reasons.
People are likely to suffer if their friends, allies, and similar social ingroups suffer or even disappear.
Ethnoarchaeology is a type of archaeology that studies the practices and material remains of living human groups in order to gain a better understanding of the evidence left behind by past human groups, who are presumed to have lived in similar ways.
are and structure
These are not, however, differences in federal structure.
For this concept of an Advisory Board, ancillary to the Board of Trustees, we are indebted to the late President of Harvard University, A. Lawrence Lowell, a master of the subject of the structure of cultural institutions and their administration.
Whereas the usual organic surface-active agent is strongly sorbed at oil - water interfaces, the highly charged ions are most strongly sorbed at interfaces between water and insoluble materials exhibiting an ionic structure ( see Table 26-2 on p. 1678 ).
However, it cannot be presumed, informal though the structure of the population seems, that there are not well-defined roles within the system.
Holding the final corporation entitled to sue on the claim, the Court cited the Seaboard, Novo Trading, and Roomberg cases for the proposition that `` transfers by operation of law or in conjunction with changes of corporate structure are not assignments prohibited by the statute ''.
Naturally, enterprises of the size of General Electric are in a position to structure their prices in such a way that the relatively small competitors can be forced to the wall in a very short time.
These balls are moving in great circles and ellipses, and are of course, the electrons, the particles of negative electricity which by their action create the forces that tie this atom of calcium to the neighboring atoms of oxygen and make up the solid structure of my finger bone.
Harmony, melody, counterpoint symphonic structure are there ; ;
And so today when we examine the structure of our knowledge of the atom and of the universe, we are forced to conclude that the best word to describe our universe is music.
Alkanes ( also known as paraffins or saturated hydrocarbons ) are chemical compounds that consist only of hydrogen and carbon atoms and are bonded exclusively by single bonds ( i. e., they are saturated compounds ) without any cycles ( or loops ; i. e., cyclic structure ).
* linear ( general formula ) wherein the carbon atoms are joined in a snake-like structure
* Cal-Earth ( The California Institute of Earth Art and Architecture ) has developed a patented system called Superadobe, in which bags filled with stabilized earth are layered with strands of barbed wire to form a structure strong enough to withstand earthquakes, fire and flood.
Korzybski's work maintained that human beings are limited in what they know by ( 1 ) the structure of their nervous systems, and ( 2 ) the structure of their languages.
In the Standard Model of physics, electrons are truly elementary particles with no internal structure.
All 38 provinces of the Anglican Communion are autonomous, each with its own primate and governing structure.
Changes in pottery composition, structure and decoration are signals of social change in the archaeological record.
Images of a gravity-bound or man-made environment are particularly anisotropic in the orientation domain, with more image structure located at orientations parallel with or orthogonal to the direction of gravity ( vertical and horizontal ).
The shells of abalones have a low and open spiral structure, and are characterized by several open respiratory pores in a row near the shell's outer edge.
Material scientists around the world are studying the tiled structure for insight into stronger ceramic products such as body armor.
The lower ground floor with the main floor and two first-floor galleries are contained in a structure of Montjuïc sandstone with undulating lines.
There is a second bulb-shaped structure similarly reminiscent of a thalamus flower, which is represented by a cross with arms that are actually buds announcing the next flowering.
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