The phrase "simultaneously improved" is grammatically correct and can be used in written English.
It is often used to describe two or more things that saw improvement at the same time. Here is an example: "By implementing new efficient processes and investing in employee training, the company's productivity and employee satisfaction levels were simultaneously improved."
As the incidence of breast cancer has progressively increased, survival rates have simultaneously improved, owing to improvements in early detection and adjuvant chemotherapy (Jatoi and Miller, 2003).
A package of laws increasing punishments for sexual assault and redefining a range of offences may do some good, campaigners concede, if enforcement is simultaneously improved, but dozens of men accused of rape remain members of local and national parliamentary assemblies.
From the comparison between them, all the parameters of O-ZnO are simultaneously improved.
Both the water flux and BSA rejection could be simultaneously improved at the optimized hydrolysis time.
The much enhanced PCE should be attributed to the simultaneously improved Voc, Jsc and FF.
More interestingly, simultaneously improved tensile strength and toughness were observed in the presence of β-cylindrite.
These advances will allow A.C.O.'s to simultaneously improve health outcomes and reduce costs.
Perhaps by investing more time, money and love in our care system, we can simultaneously improve the lot of both the older and younger generations.
Like the sight joggers, who simultaneously improve their fitness and explore new places, we are expected now to squeeze as much value as possible out of our holidays.
Cities are well placed to benefit from strong action to reduce emissions while simultaneously improving resource efficiency, tackling waste, and reducing noise, congestion and pollution.
"Closing Hummer simultaneously improves the health of G.M., China and the planet," said Daniel Becker, director of the Safe Climate Campaign at the Center for Auto Safety in Washington.
