Examples of using Ppmv in English and their translations into German
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Colloquial
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Official
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Ecclesiastic
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Medicine
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Financial
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Ecclesiastic
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Political
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Computer
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Programming
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Official/political
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Political
Ppmv, central estimate q 87 ppmv.
In these latter cases,classification shall be based on ppmV as follows.
And the 350 ppmv have now obtained religious significance.
In 1832, Antarctic ice core levels were 284 ppmv.
Currently, around 360 ppmv of this greenhouse gas is present in the air.
At free air delivery rate of 680 l/min and 1000 ppmv input concentration CO2.
And about 90 million years ago, in the Cretaceous period,it was about 2,600 ppmv.
High sensitivity, can detect the PPMV SF6 gas in the air dropped to 1ppmv.
From 9,600 YBP until about 9,400 YBP,the CO2 levels remained between 333 and 347 ppmv.
It implies just 210 ppmv of CO2 itself, wherewith plants and trees begin to die.
At the end of the last century,the level of CO2 in the atmosphere was 280 ppmv(parts per million by volume);
Using the same analysis as before, there will be 506 ppmv CO2 by 2050, or just 5 ppmv less if the Ministry of Mumbo-Jumbo gets its way.
Release of 46 g of 1234yf in 70 seconds with formation of hydrogen fluoride(HF)in concentrations above 90 ppmv.
GHG concentrations are already close to 430 ppmv and increase yearly by about 2 ppmv.
Contains additional discussion of stomatal indicationsof early Holocene atmospheric CO2 concentrations in excess of 280 ppmv.
For the"future," CO2 would reach 500 ppmv, the report said- by the year 2100, I guess.
Our results contradict the concept of relatively stabilized Holocene CO,concentrations of 270 to 280 ppmv until the industrial revo!
The y-axis, CO2 concentration, ranges from 140 to 450 ppmV, the x-axis, 2m air temperature, ranges from -20°C to 28 °C.
The modelers ignored the evidence from direct measurements of CO2 in atmospheric air indicating that in 19thcentury its average concentration was 335 ppmv[11] Figure 2.
This ice was deposited in 1890 AD, and the CO2 concentration was 328 ppmv, not about 290 ppmv, as needed by man-made warming hypothesis.
In addition to cogenerationâ€TMs benefits, Capstoneâ€TMs turbines can operate also with“deficient biogas(with methane percentages up to 30%) or with fluctuating loads and have a high resistance tocorrosive agents: H2S< 5000 ppmv.
As the concentration is already over 400 ppmv and is rising at an average rate of 0.5% per year, achieving the 2 ºC target will require significant global cuts in emissions.
One wonders if Dr. Hansen realizes that there are no scientists who have presented any credible evidence that the"oceans boiled" millions of years ago when atmospheric CO2 levels exceeded 2600 to 7000 ppmv, that is loas 390 ppmv that we have now.
Only last year the annual mean atmospheric CO2 concentration rose to 387 ppmv and is thus more than 100 ppmv above the preindustrial level of around 280 ppmv.
The amount of CO2 concentration by, say, 2100, is in the present instance, 0.004% of the difference between the CO2 concentration predicted for that year,836 parts per million by volume on the IPCC's A2 emissions scenario, and the CO2 concentration of 278 ppmv which the IPCC thinks was present in 1750.
Recent research indicates that a level of 550 ppmv(CO2 equivalents) offers at most a one in six chance of respecting the 2 ºC target, while if the concentration were to rise to 650 ppmv there is a one in sixteen chance of meeting the target.
The transition from the Cretaceous"Supergreenhouse" to the Oligocene icehouse provides an opportunity to study changes in Earth system dynamics from a time when climate models suggest CO2 levels may have been as high as 3500 ppmv(parts per million by volume) and then declined to less than 560 ppmv.
A study of stomatal frequency in fossil leaves from Holocene lake deposits in Denmark, showing that 9400 years ago CO2 atmospheric level was 333 ppmv, and 9600 years ago 348 ppmv, falsify the concept of stabilized and low CO2 air concentration until the advent of industrial revolution[13] Improper manipulation of data, and arbitrary rejection of readings that do not fit the pre-conceived idea on man-made global warming is common in many glaciological studies of greenhouse gases.
That was the year(1979) in which NASA's James Hansen's team of climate modelers convinced a National Academy of Sciences(NAS) panel to report that doubling atmospheric CO2- which had risen from 280 ppmv in the pre-industrial 1800s to over 335 ppmv- would cause nearly 3°C of global warming.
However, different from the relatively large coal and unconventional oil and gas deposits, the carbon in proven conventional oil and gas reserves, or in conventional oil resources, is much less than the cumulative carbonemissions associated with stabilization of carbon dioxide at levels of 450 ppmv or higher the reference to a particular concentration level does not imply an agreed-upon desirability of stabilization at this level.