The phrase "a substantial amount of material" is correct and usable in written English.
It can be used when referring to a significant quantity of content or resources in various contexts, such as academic writing, reports, or discussions.
Example: "The research paper included a substantial amount of material on the effects of climate change."
Alternatives: "a considerable quantity of material" or "a significant volume of material."
Akers says police have recently received "a substantial amount of material".
Given the significance of The Riverside Church in Fosdick's life and work, there is a substantial amount of material in his papers relating to the church's history.
The room temperature operation of these detectors allows removal of a substantial amount of material from between primary and secondary detectors, if properly designed and should afford substantially better suppression factors than can be achieved by germanium-based spectrometers.
He worked closely with the pioneering sociologists Peter and Iona Opie, for whom he documented children at work and in the playground, and provided the cover and a substantial amount of material for the Combined Societies touring exhibition in 1954, specifically a panel on children snowballing and another of kids playing in a bombed-out shell of a house in Bermondsey.
The participants receive a substantial amount of material to study before they convene for the first time.
This involves a substantial amount of material, and while AMS expects to complete the review in an expeditious manner, a complete review will take some time.
The only candidate with a substantial amount of materials here is Adlai Stevenson, between 1949 and 1952.
Government officials have also suggested that one of the primary causes of the explosions was a several-hour delay in a decision to use the vents, as Tokyo Electric managers agonized over whether to resort to emergency measures that would allow a substantial amount of radioactive materials to escape into the air.
As a result of the greatly increased research activity in this field, a substantial amount of new data--especially related to materials--have been generated.
A substantial amount of literature has been published on hyper-elastic materials, including the comprehensive texts of Treloar (2005); Mooney (1940); Green and Adkins (1970) and Fu and Ogden (2001) and the collective work of Rivlin and his collaborators (Barenblatt and Joseph 1997) that contain detail on the fundamental concepts related to hyper-elastic materials.
They occur in humid (sub- tropical and warm temperate regionsub- tropicalmandrials that contain a substantial amount of unstable Al-bearing minerals.
