"harmful factors" is correct and usable in written English.
You can use it to refer to things that are causing negative impacts or repercussions. For example, "The rapid growth of the population has caused a number of harmful factors, such as water and air pollution."
Human surveys provide the only assured means of discriminating between real and imagined harmful factors, but they are time consuming and provide information after the harm has been done.
To investigated the Greek social representations towards harmful factors of health.
An ancient species that once roamed grasslands with woolly mammoths is dying in great numbers in Mongolia, with harmful factors piling up.
Organo-silica shells covering yeast cells effectively protect them from exposure to harmful factors, including extreme values of pH.
UV radiation is one of many harmful factors found in space that are detrimental to organisms on earth in space exploration.
Important implication of this is that the control room is a relatively clean working environment and the risk of exposure to harmful factors is low.
Orthodontic treatment has been variously cited both as a protective and harmful factor in TMD etiology.
This method seems therefore much better adapted to deal with potentially confounding factors compared to any 2-band vegetation index which can only avoid the most harmful factor of variation.
The interference is always considered as a most harmful factor for wireless transmission.
the noise is a harmful factor for single species in general, such as (alpha_{1}) for x, (alpha_{2}) for y and (alpha_{3}) for z; in the complex ecological relationship, the noise may also have a positive effect on the coexistence of species, such as (alpha_{1}), (alpha_{2}) on z and (alpha_{3}) on x, y.
Based on the analysis above, we may draw two conclusions: the noise is a harmful factor for single species in general, such as (alpha_{1}) for x, (alpha_{2}) for y and (alpha_{3}) for z; in the complex ecological relationship, the noise may also have a positive effect on the coexistence of species, such as (alpha_{1}), (alpha_{2}) on z and (alpha_{3}) on x, y.
