The phrase "and therefore improved" is correct and usable in written English.
It can be used to indicate that something has been enhanced or made better as a result of a previous action or condition.
Example: "The new training program was well-received, and therefore improved employee performance significantly."
Alternatives: "and thus enhanced" or "and consequently bettered".
Milder winters have also helped their survival during the harshest months and therefore improved their breeding success.
This increased the substrate concentration and the subsequent lower water concentration suppressed hydrolysis and therefore improved the oligosaccharide yield.
We felt this better represented the data prior to 2005 and post 2005 AIS coding changes and therefore improved reliability of our data.
Plant food materials have a very high demand in the consumer market and therefore, improved food products and efficient processing techniques are concurrently being researched in food engineering.
However, a higher number of effective nodules was found in NT plots indicating that NT plots provided better rhizospheric conditions for nitrogen fixation and therefore, improved soil productivity.
Further the method results in narrower envelopes and therefore improved designs as illustrated in the examples which consider, lead, PI and PID controller designs.
Anything that requires perseverance is a difficult thing in the meaning of this saying, and therefore improves you.
As the national business area lead for finance and resources, I have agreed to work with the Home Office to try and surmount these difficulties and therefore improve the effectiveness of the procurement hub.
The barrage would slow down the fearsome Severn tide, introducing more light and oxygen and therefore improving the water quality, attracting more fish which will support greater and more diverse birdlife.
For example, researchers have demonstrated that real-time visual feedback from functional magnetic resonance imaging (fMRI) can enable patients to retrain their brains and therefore improve brain functioning.
Allegedly, the light removes the sub-surfaces moisture and therefore improving the skins elasticity.
