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However, carbon footprints are much specific than ecological footprints since they measure direct emissions of gasses that cause climate change into the atmosphere.
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However and carbon
However, if the steel is cooled quickly the carbon atoms will not have time to precipitate.
However, very small amounts of steel, ( an alloy of iron and around 1 % carbon ), was always a byproduct of the bloomery process.
However, inhalation of coal dust or soot ( carbon black ) in large quantities can be dangerous, irritating lung tissues and causing the congestive lung disease coalworker's pneumoconiosis.
" However, a recent paper by Wolfgang Knorr indicates that the fraction of absorbed by carbon sinks has not changed since 1850 .< ref >
However, carbon dioxide has an advantage in this respect as it kills organisms through hypercarbia and depending on concentration hypoxia and, requiring concentrations of above 35 %, or so.
However, they can be managed in ways that enhance their biodiversity protection functions and they are important providers of ecosystem services such as maintaining nutrient capital, protecting watersheds and soil structure as well as storing carbon.
However, it can also be pathologically altered in, e. g., carbon monoxide poisoning.
However, the atmosphere was found to be in a stable condition close to its chemical equilibrium, with very little oxygen, methane, or hydrogen, but with an overwhelming abundance of carbon dioxide.
However, Bada noted that in current models of early Earth conditions, carbon dioxide and nitrogen ( N < sub > 2 </ sub >) create nitrites, which destroy amino acids as fast as they form.
However, it is likely that most of the atmospheric carbon was CO < sub > 2 </ sub > with perhaps some CO and the nitrogen mostly N < sub > 2 </ sub >.
However, not all organisms that use light as a source of energy carry out photosynthesis, since photoheterotrophs use organic compounds, rather than carbon dioxide, as a source of carbon.
However, there are some types of bacteria that carry out anoxygenic photosynthesis, which consumes carbon dioxide but does not release oxygen.
However, local eruptions of volcanoes or other events that give off large amounts of carbon dioxide can reduce local concentrations of carbon-14 and give inaccurate dates.
However, its final English name, suggested in 1831, reflects the more physically similar elements carbon and boron.
However, having four bonding electrons gives it, like carbon, many opportunities to combine with other elements or compounds under the right circumstances.
However, recent concepts for a space elevator are notable for their plans to use carbon nanotube or boron nitride nanotube based materials as the tensile element in the tether design.
However, nuclear submarines run " open loop "— extracting oxygen from seawater, and typically dumping carbon dioxide overboard, although they recycle existing oxygen.
However, he was one of the first scientists to recognize that the oxygen, nitrogen and carbon dioxide in the Earth's atmosphere result from biological processes.
However, carbon steel woks tend to be more difficult to season than those made of cast-iron (' seasoning ', or carbonizing the cooking surface of a wok, is required to prevent foods from sticking, as well as removing metallic tastes and odors ).
However, the representatives of the then 192 member countries of the United Nations gathered in December 2009 for the Copenhagen Conference failed to reach a binding agreement to reduce carbon emissions because of divisions between regional areas.
However footprints of what looks like ancient sandals have been carbon dated to around the time 500, 000 BC.
However, this process is very slow, taking tens of thousands of years to convert a significant amount of helium to carbon in stars, and therefore it made a negligible contribution in the minutes following the Big Bang.
However, in his laboratory notebook under the date 6 September 1803 there appears a list in which he sets out the relative weights of the atoms of a number of elements, derived from analysis of water, ammonia, carbon dioxide, etc.
However, Zola dies of carbon monoxide poisoning due to a faulty stove the night before the public ceremony in which Dreyfus is exonerated.
However and footprints
However, there were many large footprints which could not be identified.
However, even during the earliest decades of the study of ichnology, some fossils were recognized as animal footprints and burrows.
However, scientists have long considered it likely that the footprints belong to Acrocanthosaurus.
However, in a short interview during the September 13, 1937, Lux Radio Theatre broadcast of a radio adaptation of A Star Is Born Grauman related another version of how he got the idea to put hand and footprints in the concrete.
However, in this final shot, the protagonist's footprints in the sand trail off, with him nowhere in sight.
However, these anachronistic " human " footprints have been determined to be mistaken interpretation and even some outright fakes.
However and are
However, in recent decades, for what doubtless are multiple reasons, an unannounced but nonetheless readily observable shift has occurred in both facets of national activity.
However, in the context of legal and civic policy, these controversies are less than novel.
However, despite the insight of many of his observations, his own conclusions are open to suspicion because of his failure to employ at all times the correct research methods.
However, there are still several types of calls that necessitate the use of telephone operators.
However, he states unequivocally `` the scandals in business are far less significant than the scandals in labor ''.
However, few are taxed, and the owners and location of most boats are unknown to the assessors on the date of assessment of town valuations.
However, the surface temperature gradient can produce erroneous vapor-pressure measurements for the bulk liquid helium unless precautions are taken to isolate the tube ( which passes through the surface to the vapor pressure bulb ) from the liquid helium surface.
However, if their United States income is not subject to the withholding of tax on wages, their returns are due June 15, 1962, if they use a calendar year, or the 15th day of the 6th month after the close of their fiscal year.
However, the aircraft which we have today are tied to large, `` soft '' airfields.
However, some formulas are used more than others.
However, there is also much to be gained by making use of the abilities of the local people who are available and interested in recreation.
However, there are photographs of suspended drops of cyclohexanol phthalate ( viscosity 155 poises ) suspended in corn syrup of 71 poises in a paper by Mason and Bartok.
However, any oxygen nonequivalence would shorten either the already extremely short Af interlayer distance of 2.55 A or the non-hydrogen-bonded Af interlayer interactions which are already quite short at 2.58 Aj.
However, as so many of the records are not certainly based on newborn snakes, these data must be taken tentatively ; ;
However, if these procedures are applied more often, conditioned emotional responses are temporarily abolished.
However, it cannot be presumed, informal though the structure of the population seems, that there are not well-defined roles within the system.
However, the differences in procedure are fundamental.
However, the regionally differentiated results, which appear below in tables, are interesting evidence of the problems of developing self-government under even the most favorable circumstances.
However, if Federal funds are used, it would be entirely appropriate to train workers for jobs which could be obtained elsewhere as well as for jobs in the area of chronic unemployment.
However, it is not known to either the union or the public precisely how much of a cost increase is caused by a given change in the basic wage rate, although the companies are presumed to have reliable estimates of this magnitude.
However, there are relatively few such political constituencies, and, as has been pointed out, there is seldom a clear-cut distinction between the educational interests of one social class and those of another.
However, modesty and triviality are different qualities.
`` However, evidence that the Axis powers are making significant preparations indicative of such an intention is being reported with increasing frequency from a variety of sources.
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