The phrase "altered by various" is correct and usable in written English.
It can be used when discussing changes made by different factors or influences.
Example: "The results of the experiment were altered by various environmental conditions."
Alternatives: "modified by different" or "changed by several".
Inflow and outflow pressures differ across vascular beds and can be altered by various diseases (Table 1).
This paper addresses the problem of automatic speech recognition in real applications in which the speech signal is altered by various noises.
The development and morphometry of fluvial levees reflect the connection between channel and overbank processes, which can be altered by various human activities.
Table 6 Quality assessment using the mean square error (MSE) and the signal-to-noise ratio (SNR) of the extracted watermark signal, when the watermarked Lena image is altered by various attacks.
In fact, the BNNRs have adjustable half-metallic property because their bandgaps can be altered by various factors, such as nanoribbon's width, electric field, and edge functionalization with hydrogen, fluorine, and oxygen atoms [2 6].
The cellular functions of microtubules (an essential component of the cytoskeleton in all eukaryotic cells) depend on their dynamic instability, which is altered by various factors among which applied forces are central.
The in vitro drug release experiments showed that the drug release behaviour can be altered by using various selections of biocompatible polymers to suit different therapeutic applications.
Significant interaction was also found on feed conversion ratio of Japanese flounder fed with test diets, however, the fish whole body proximate compositions were not altered by the various diets.
With the novel strategy of working with living wild type bacteria, their genetic derivatives and clay, the following properties of the mineral altered by the various strains of Pseudomonas fluorescens were determined: grain size, X-Ray diffraction pattern, intercrystalline swelling with glycerol, layer charge, CEC, BET surface and uptake of trace elements.
Although the genomic mutations associated with any tumor are many and diverse, a promising organizing principle is emerging: that a recognizable cohort of key pathways governing cell phenotypic behaviors can be identified as pathologically altered by the various underlying genetic defects (10, 11).
In fact, most, if not all, ecosystems and biodiversity have been altered by humans to various degrees (Nelson and Serafin, 1992).
