The phrase "although it was approximately" is correct and usable in written English.
It can be used to introduce a contrast or exception regarding an estimation or approximation in a statement.
Example: "Although it was approximately 10 degrees outside, it felt much colder due to the wind."
Alternatives: "even though it was roughly" or "despite being about".
With an effective temperature of 6213 K, Kepler-8 is also hotter than the Sun, although it is approximately three quarters of a billion years younger and is slightly less metal-rich.
MMR1 coverage was only 72%95%5% CI 63-80%) among children aged 12 23 months, although in older cohorts it was approximately 90%.
The amount of milk powder that it is imported varies from year to year, although according to Fintrac Inc. it is approximately 2000 MT per year.8.
A decreasing trend in the porosity was observed as the concentration of the chitosan increased, although it was always approximately 75 85%, and no significant differences were observed between the groups.
It was found that the trapping setup was not power limited and ~50mW per trap (measured at the back aperture of the microscope objective) was sufficient to trap all types of SDMs, although it was found that approximately 10-20% more power was required for Triton-X coated droplets which was likely to be due to the lower index of refraction of the heptane core.
The overall TRM for autologous HSCT in AD now is approximately 7%, although it was as high as 23% in one of the first pilot studies [ 21].
Although it is only approximately true for real gases, Boyle's law is an extremely useful idealization that played an important role in the development of atomic theory.
In their preliminary report, the AAIB said that because Mr Ibbotson's pilot licence and log book had been lost in the crash, it had not yet been able to establish what ratings he held or how many hours he had flown recently - although it was known he had completed approximately 3,700 flying hours.
The Kodani inversion is a rare but cosmopolitan inversion that originated approximately 60,000 90,000 years ago, although it was recently discovered that it is almost entirely fixed in the African samples from the Oku range in Cameroon (Corbett-Detig and Hartl 2012).
The frequency of this type of polyp is not known, although it is believed to be approximately 24%.
