The phrase "a large quantity of samples" is correct and usable in written English.
It can be used when referring to a significant number of samples in various contexts, such as research, testing, or analysis.
Example: "In our study, we collected a large quantity of samples to ensure the accuracy of our results."
Alternatives: "a substantial number of samples" or "an extensive collection of samples".
However, it needs large computational cost and is also inefficient for practical engineering applications because of the requirement of a large quantity of samples.
The fourth-order statistics-based algorithm in [1] requires a large quantity of samples (more than 1,000).
Unfortunately, they usually require a large quantity of samples to obtain accurate estimation, which is not realistic in practical time-varying systems.
These aspects can sometimes be a hindrance if more rapid analysis is required to assess a shipment of product or survey a large quantity of samples, for example.
However, high-throughput structure determination using such methods often becomes difficult, due to the need for a large quantity of pure samples.
For example, under the support of a U19 Asthma and Allergic Diseases Cooperative Research Center grant from NIAID/NIH, Galli's Laboratory, the Nadeau Laboratory, and the laboratory of Scott Boyd, MD, PhD, are collecting and studying a large quantity of blood samples from Stanford allergy patients undergoing oral immunotherapy (OIT).
Observation of a large quantity of core samples and core analysis data of the North Truva Oilfield in the eastern margin of the Caspian Basin reveals that in the carbonate reservoirs there are many kinds of reservoir space, including pores, fractures, and dissolved cavities of different genesis, and complex reservoir space combinations.
Breast cancer is the only cancer type in TCGA that collected expression data on a large quantity of tumor-normal paired samples.
The phenol chloroform method had many disadvantages including time consumption, difficulty and demanding of large quantity of samples which is not always available in real forensic investigations.
Microarray data has significant potential in clinical medicine, which always owns a large quantity of genes relative to the samples' number.
If you are buying a large quantity of fruit, ask to taste a sample first - fruit should be slightly tart not over-sweet.
