The phrase "although has been" is not correct and usable in written English.
It is a grammatically incorrect construction as "although" typically introduces a clause that contrasts with the main clause, and it should be followed by a subject and verb.
Example: "Although it has been raining, we decided to go for a walk."
Alternatives: "even though it has been" or "despite the fact that it has been".
However, the support we have received generally within the oil industry has been very compelling, and my career is ongoing, although has been seriously handicapped by this case".
The EE optimization problem, although, has been addressed so far and can be solved by the concave optimization method, but it will cost more resources and calculation time due to the constraint C3 comparing with the linear searching method.
Although has been studied for decades, it is still rare to find a general, robust and automatic image registration method, and most existing image registration methods are designed for particular application.
The team is based at RAF Scampton in Lincolnshire, although has been temporarily relocated to RAF Cranwell, also in Lincolnshire, while maintenance work takes place on the runway at Scampton.
The species is primarily an inshore species, although has been found on rare occasions on deeper reefs on the continental shelf.
Such mycobactericidal effect of iNOS although has been reported in several in vitro and in vivo studies [36], [43], [44], its influence in the context of vaccine response in guinea pig model for such a prolonged period has been investigated for the first time in this study.
These processes, although had been successfully implemented, are time consuming, and the assessment may be subjective.
Although having been successfully designed, the tall column structure challenges in seismic events.
Fluorescent dyes, although have been popularly used to demonstrate FRET-based ratiometric assays, can be easily susceptible to photobleaching [54].
Although having been used for thousands of years and own outstanding reputation, the mechanism of CHM is still largely unknown.
Although having been common and widespread in most highly developed capitalist economies, these elements did not exist in Maoist China.
