The phrase "are now overcome" is correct and usable in written English.
It can be used to indicate that a challenge or obstacle has been successfully dealt with or surpassed at the present moment.
Example: "After months of hard work, the difficulties we faced are now overcome, allowing us to move forward with the project."
Alternatives: "have now been conquered" or "are now resolved."
It showed some limitations that are now overcome.
I think the major hurdles are now overcome; the big question is whether the approach I outline below will be useful to anyone!
Call them the waverers or, worse for Mr. Obama, the drifters: people who provided his comfortable margin of victory in 2008 but are now overcome by doubts about his presidency, with several saying that Mr. Obama has lost the audacious fighting spirit that once attracted them.
These problems are now overcome by Next Generation Sequencing (NGS) platforms [ 24].
This practical limitation was now overcome by the use of intraoperatively generated freehandSPECT scans.
This drawback is now overcome by improving the packaging and providing dipsticks individually wrapped in waterproof bags.
This drawback is now overcome by improvement of the individual dipstick packaging, making them easily transportable and adapted to the local environmental conditions.
In contrast, at the low temperature (100 K) of the cryocooled X-ray diffraction experiments, the thermodynamic balance is likely reversed so that the entropic penalty is now overcome by the favorable enthalpy of binding.
However, China's love of the new is now overcoming old suspicions, and he has been invited back for exhibitions in Beijing and Shanghai.
Although the preparation of fractal structures may appear at a first sight nothing but a mere exercise of technology stressing, in the following we discuss some of their possible applications: (1) Systems biology, i.e. the study of the complex interactions in biological systems, is now overcoming the limits of molecular biology.
