Help


[permalink] [id link]
+
Page "Bohrium" ¶ 26
from Wikipedia
Edit
Promote Demote Fragment Fix

Some Related Sentences

reaction and was
She was the opposite of everything she should have been -- a positive pole in a negative home, a living reaction of warmth and kindness to the harsh reality of her father.
Almost inevitably, the first result of this technological revolution was a reaction against the methods and in many cases the conclusions of the Oxford school of Stubbs, Freeman and ( particularly ) Green regarding the nature of the Anglo-Saxon conquest of Britain.
Even before the century was out the tide of reaction had set in.
The reaction of certain City Council members to California's newest anti-secrecy laws was as dismaying as it was disappointing.
Argon was used as a blowing gas to exclude any effects of dissociation or chemical reaction.
Despite extensive attempts to obtain highly pure reagents, serious difficulty was experienced in obtaining reproducible rates of reaction.
The required amount of carbon tetrachloride was distilled into a series of reaction cells on a manifold on a vacuum line.
The contents of the manifold for liquid phase experiments were then mixed by shaking, redistributed to the reaction tubes, frozen down, and each tube was then sealed off.
The light was filtered by the soft glass window of the thermostat thus ensuring that only light absorbed by the chlorine and not by the carbon tetrachloride could enter the reaction cell.
In the liquid phase runs the amount of carbon tetrachloride in each reaction tube was determined by weighing the tube before opening and weighing the fragments after emptying.
Following observation of the fact that the reaction rates of supposedly identical reaction mixtures prepared on the same filling manifold and exposed under identical conditions often differed by several hundred per cent, a systematic series of experiments was undertaken to see whether the difficulty could be ascribed to the method of preparing the chlorine, to the effects of oxygen or moisture or to the effect of surface to volume ratio in the reaction tubes.
No detectable reaction was found at room temperature for reaction mixtures allowed to stand up to 5 hours.
The improvement was most noticeable in the greater consistency among reaction cells prepared as a group on the same manifold.
By comparing reaction cells sealed from the same manifold temperature dependency corresponding to activation energies ranging from 11 to 18 Af was observed while dependence on the first power of the light intensity seemed to be indicated in most cases.
It was possible to make estimates of the quantum yield by observing the extent of reduction of a uranyl oxalate actinometer solution illuminated for a known time in a typical reaction cell and making appropriate conversions based on the differences in the absorption spectra of uranyl oxalate and of chlorine, and considering the spectral distribution of the light source.
-- Although there was some variation in results which must be attributed either to trace impurities or to variation in wall effects, the photochemical exchange in the gas phase was sufficiently reproducible so that it seemed meaningful to compare the reaction rates in different series of reaction tubes for the purpose of obtaining information on the effect of chlorine concentration and of carbon tetrachloride concentration on the reaction rate.

reaction and later
At the same time, the Romantic reaction to the Enlightenment produced thinkers, such as Johann Gottfried Herder and later Wilhelm Dilthey, whose work formed the basis for the " culture concept ," which is central to the discipline.
It is uncertain where it was first discovered that a combination of hydrated non-hydraulic lime and a pozzolan produces a hydraulic mixture ( see also: Pozzolanic reaction ), but concrete made from such mixtures was first used by the Ancient Macedonians and three centuries later on a large scale by Roman engineers.
Two years later the Dubna team separated their reaction products by thermal gradient chromatography after conversion to chlorides by interaction with NbCl < sub > 5 </ sub >.
Exploiting his androgynous appearance, the original cover of the UK version unveiled two months later would depict the singer wearing a dress: taking the garment with him, he wore it during interviews — to the approval of critics, including Rolling Stones John Mendelsohn who described him as " ravishing, almost disconcertingly reminiscent of Lauren Bacall "— and in the street, to mixed reaction including laughter and, in the case of one male pedestrian, producing a gun and telling Bowie to " kiss my ass ".
In basic chemistry scientists are typically interested in experiments conducted at atmospheric pressure, and for reaction energy calculations they care about the total energy in such conditions, and therefore typically need to use H. Furthermore the enthalpy is the working horse of engineering thermodynamics as we will see later.
In plotlines mirroring the negative reaction of non-commercial artists to the commercialization of the art form by companies like IBM ( and, later, Sony itself ) the Rakugaki Ōkoku series ( 2003 – 2005 ) for Sony's PlayStation 2 revolves around an anonymous hero and his magically imbued-with-life graffiti creations as they struggle against an evil king who only allows art to be produced which can benefit him.
Greaves would later say it was an emotional reaction but he was just as thrilled for Hurst and England as the other squad players who had not been picked for the final.
They were able to produce and identify 6 atoms of the new isotope < sup > 263 </ sup > Hs .< ref > A few months later, the RIKEN team also published their results on the same reaction .< ref >
Cocteau himself much later characterised his reaction as one of " stupor and disgust.
Similarly, green deposits were found in the hair, originally thought to be a copper-based pigment used for decoration, however it was later found to be the result of a reaction between the keratin in the hair and the acid of the peat bog.
Approximately 10 milliseconds later the chain reaction occurred, lasting less than 1 μs.
)</ ref >< ref name = Lackner2012 > Such carbon neutral and negative fuels can be produced by the electrolysis of water to make hydrogen used in the Sabatier reaction to produce methane which may then be stored to be burned later in power plants as synthetic natural gas, transported by pipeline, truck, or tanker ship, or be used in gas to liquids processes such as the Fischer – Tropsch process to make traditional transportation or heating fuels .< ref name = Pearson2012 > ( Review.
In 1970, team also studied the same reaction with oxygen-18 and identified < sup > 261 </ sup > Rf with a half-life of 65 seconds ( later refined to 75 seconds ).< ref name = 70Gh01 > Later experiments at the Lawrence Berkeley National Laboratory in California also revealed the formation of a short-lived isomer of < sup > 262 </ sup > Rf ( which undergoes spontaneous fission with a half-life of 47 ms ), and spontaneous fission activities with long lifetimes tentatively assigned to < sup > 263 </ sup > Rf.
Silver ( upon some suitable support ) is probably the only catalyst available today to convert ethylene to ethylene oxide ( later hydrolyzed to ethylene glycol, used for making polyesters )— an important industrial reaction.
The function of phylloquinone in plants appears to have no resemblance to its later metabolic and biochemical function ( as " vitamin K ") in animals, where it performs a completely different biochemical reaction.
Lyndon B. Johnson had indeed asked Wilson for some British forces for Vietnam, and when it was later suggested to Powell that Washington understood that the public reaction to Powell's allegations had made Wilson realise he would not have favourable public opinion and so could not go through with it, Powell responded: " The greatest service I have performed for my country, if that is so ".
However, in the portion he used in the opening — and when the full scene plays out later — Mendes used the score and a reaction shot of Ricky to leave a lingering ambiguity as to his guilt.
He later said that this prolonged youthful exposure to early sacred choral music had turned his tastes, in reaction, to lush romantic music.
The phrase was coined in adverse reaction to something Murphy said when his devices failed to perform and was eventually cast into its present form prior to a press conference some months laterthe first ever ( of many ) conferences given by Dr. John Stapp, a U. S. Air Force colonel and Flight Surgeon in the 1950s.
The idea is that something even as small as a butterfly could cause a chain reaction leading to a hurricane years later.
But, as used by Émile Durkheim and later theorists, anomie is a reaction against or a retreat from the regulatory social controls of society, and is a completely separate concept from anarchy, which is an absence of effective rulers or leaders.
This was a theory put forward by the former NASA scientist Addison Bain, and later tested in small scale by the scientific reality-TV show MythBusters with semi-inconclusive results ( it was proven not to be the fault of the thermite reaction alone, but instead conjectured to be a combination of that and the burning of hydrogen gas that filled the body of the Hindenburg ).
Another variation that is sometimes shown on TV shows is done by performing a normal ' Balducci ', filming the audience reaction, then later returning and performing the illusion with the aid of wires to get more height or to get a shot from the front or underneath.
The priests proceeded to receive the prophecy, but the result was a hysterical uncontrollable reaction from the priestess that resulted in her death a few days later.

reaction and studied
The GSI team studied the reaction in 1981 in their discovery experiments.
The GSI team further studied the reaction in 1989 and discovered the new isotope < sup > 261 </ sup > Bh during the measurement of the 1n and 2n excitation functions but were unable to detect an SF branching for < sup > 261 </ sup > Bh.
The team at Dubna studied this reaction in 1976 in order to assist in their assignments of the SF activities from their experiments with a < sup > 54 </ sup > Cr beam.
This reaction was studied for the first time in 2007 by the team at LBNL to search for the lightest bohrium isotope < sup > 260 </ sup > Bh.
The team at Dubna also studied this reaction in 1976 as part of their newly established cold fusion approach to new elements.
The 2n excitation function was further studied in a 2006 repeat of the reaction.
This reaction was first studied in 2006 at the LBNL as part of their systematic study of fusion reactions using < sup > 238 </ sup > U targets.
Recently, the team at the Institute of Modern Physics ( IMP ), Lanzhou, have studied the nuclear reaction between americium-243 and magnesium-26 ions in order to synthesise the new isotope < sup > 265 </ sup > Bh
This reaction was studied for the first time in 2008 by the team at RIKEN, Japan, in order to study the decay properties of < sup > 266 </ sup > Bh, which is a decay product in their claimed decay chains of ununtrium .< ref > The decay of < sup > 266 </ sup > Bh by the emission of 9. 05-9. 23 MeV alpha particles was further confirmed in 2010.
* Computational studies can be used to predict the possibility of so far entirely unknown molecules or to explore reaction mechanisms that are not readily studied by experimental means.
The speed at which a reactions takes place is studied by reaction kinetics.
In the official discovery of the element in 1984, the team at GSI studied the reaction using the alpha decay genetic correlation method.
The team at RIKEN further studied the reaction in 2008 in order to conduct first spectroscopic studies of the even-even nucleus < sup > 264 </ sup > Hs.
The team at GSI first studied the reaction in 1986 using the method of correlation of genetic alpha decays and identified a single atom of < sup > 264 </ sup > Hs with a cross section of 3. 2 pb.
This reaction was studied in 2008 at RIKEN in order to conduct first spectrscopic studies of the even-even nucleus < sup > 264 </ sup > Hs.
This reaction was studied for the first time in 2008 by the team at LBNL.
This reaction was studied for the first time in 2008 by the team at RIKEN.
This reaction was reportedly first studied in 1978 by the team at the Flerov Laboratory of Nuclear Reactions ( FLNR ) under the leadership of Yuri Oganessian.
This reaction was first studied at Dubna in 1987.
Most recently, a GSI-PSI collaboration has studied the nuclear reaction of curium-248 with magnesium-26 ions.
This new reaction was studied at the GSI in July – August 2006 in a search for the new isotope < sup > 268 </ sup > Hs.
The team at Dubna studied this reaction in 1983 using detection by spontaneous fission ( SF ).
This is studied in chemical thermodynamics, which sets limits on quantities like how far a reaction can proceed, or how much energy can be converted into work in a combustion engine and which provides links between properties like the thermal expansion coefficient and change of rate in entropy with pressure for a gas or a liquid.

0.203 seconds.