The phrase "an increasing number of experiments" is correct and usable in written English.
It can be used when discussing a trend or growth in the quantity of experiments being conducted in a particular field or context.
Example: "Recent studies indicate that there is an increasing number of experiments being conducted to understand climate change."
Alternatives: "a growing number of experiments" or "an expanding number of experiments."
However, international discontent with the "war on drugs" is growing, with an increasing number of countries experimenting with liberalised drug laws, especially in relation to cannabis.
An increasing number of animal experiments confirm that the offspring's epigenetic profile and health status is influenced by paternal preconceptional insults, such as exposures to endocrine disruptors or toxins [ 23], ionizing radiation [ 24], and nutritional status [ 25, 26].
It should be noted that further increasing the number of factors is undesirable due to the proportionally increasing number of experiments required for modeling.
These followers, or the scientific community, support and promote the new movement of thought with the increasing number of experiments, instruments, articles, and books which result in strengthening the persuasive arguments in its favor.
"We've got an increasing number of unusually risky experiments, and we need to be more thoughtful and deliberate in how we oversee this work," said co-author David Relman, a professor of infectious diseases and co-director of Stanford's Center for International Security and Cooperation (CISAC).
As an increasing number of high-throughput experiments providing available and reliable binding epitopes related to various TCRs [ 4- 6], a systematic and fast method to search similar complexes (i.e. TCR-pMHC molecules) is an important task for understanding potential immune interactions and developing pathogen vaccines.
In a market swollen with stills, an increasing number of photographers are experimenting with sculpture, installation art, and video as alternative photographic practices.
Time- and frequency-related features of the measured signals are examined in a series of experiments with an increasing number of freeze-thaw cycles.
