"persistent process" is a perfectly acceptable part of a sentence in written English.
You can use it when referring to an activity or action that takes place over a long period of time and seems to never end. For example: "I know it's a daunting task, but you have to stay focused and remain persistent in the process."
Even a cursory acquaintance with the history of science will show that we are where we are now only through a persistent process of replacing beliefs we once held to be true, but no longer hold to be true.
The combined analyses of total mercury (Hg) and stable isotopic (δ13C and δ15N) ratios were conducted to describe the food web pathways of dietary Hg, from basal food sources to benthic invertebrates and higher trophic level fish, and to determine if biomagnification of Hg is a persistent process in the food web in a mangrove creek in Setiu Lagoon.
Furthermore, although bullying is a persistent process, a one-time measurement may coincide with some uncertainty due to changes in children's behaviour and class composition over time.
For this purpose, we use a century of data (1911 2010), to capture the process of development better compared to short sample-based research; and the concept of co-summability, which is designed to analyze non-linear long-run relations among persistent processes.
The qRT-PCR further demonstrated that genes related to photosystem reaction (Pbr041327.1), hormone-related transcripts (Pbr036692.1), carbohydrate metabolism (Pbr021608.1, Pbr008092.1, and Pbr001279.1) and other differentially regulated genes (Pbr027181.1) showed significant difference between treatments and participated in the process of calyx abscission or persistent processes.
In addition, there is evidence of a persistent inflammatory process that promotes elevated blood-spinal cord barrier permeability, and persists during the chronic phase of SCI [40].
The ratio of the stock market price to cyclically adjusted earnings, the PE ratio, is a highly persistent, volatile process.
With persistent inflammatory process, deeper root dentin will be involved and RR radiographically detected [20].
However, as the terms of trade worsen, the economy begins a gradual but persistent industrialization process that carries support for protectionism until it becomes a viable political equilibrium (consistent with the post 1943 period in Argentina).
A low-key but persistent inflammatory process which involves activation of the complement system has been proposed to underlie the sight-threatening manifestations in AMD.
Chronic supperative Osteomyelitis of the jaw (CSOJ) is a persistent inflammatory process in the mandible or the maxilla presenting with necrosis of mineralized and marrow tissues, suppuration, resorption, sclerosis, and hyperplasia [ 2].
