The phrase "improve quantity" is grammatically correct and can be used in written English.
It can be used in any context where you want to express the idea of making something larger or increasing its amount. Example: "We need to improve quantity in our production process in order to meet the high demand for our product."
Performance-based mechanisms can also improve quantity and to a lesser extent quality of health worker services.
If you divide scientific breakthroughs into these two categories things that improve quantity of life and things that improve quality of life the 2009 list looks not so different from this year's.
Consider the Room - If seats are not fixed to the floor, instructors can consider a variety of seating arrangements that naturally improve quantity and quality of interactions among students and instructor.
Research collaboration is a significant way to improve quantity and quality of research at the university level [ 23].
While there are many strategies to improve quantity and many strategies claim to enhance quality, there is an absence of agreed measures to evaluate placement quality.
As the American Society of Clinical Oncology states, active treatment in cancer is generally undertaken with the goal of providing improved quantity and/or quality of patient survival.
Among other potential benefits, telemedicine improves communication among patients and health care providers, improves quantity and quality of data collection, and eases decision-making and therapy adjustment (10– 10).
Economic development and government programs in China over the past two decades have together led to improved quantity and quality of maternal, child and newborn health care [ 11].
Discovery of genes in legume plants is progressing rapidly and is yielding improved quantity and quality for industrial as well as agricultural uses (see http://intl.plantphysiol.org/cgi/collection/legume_biology).org/cgi/collection/legume_biology
Workshops in planting, pruning, thinning and seedling selection have taught smallholder farmers how to improve the quantity and quality of trees grown on their agro-forest plots.
