The phrase "a variety of instance" is not correct in English.
Did you mean "a variety of instances"? You can use the corrected phrase when referring to multiple examples or occurrences of something.
Example: "In our research, we observed a variety of instances where the treatment was effective."
Alternatives: "a range of examples" or "multiple occurrences".
A variety of instances may be readily suggested in which it would be necessary or proper to apply it.
A variety of instances are discussed in which valuable properties already present in certain strains can be combined or improved through state-of-the-art genetic engineering.
This Greenness Index method has been applied in a variety of instances to specific reagents used in various industries such as mineral processing and personal care.
The 'Werther effect', so-named after the central character in Goethe's novel 'The Sorrows of Young Werther', can result from both fictional and factual representations of suicide in any medium – and has been discerned in a variety of instances.
Empirical evidence over a variety of instances shows that the improved method is well suited for finding optimal Pareto fronts with no more computational effort than the traditional method.
If you look at, for example, the Web companions that Office is doing, they do use Silverlight in a variety of instances.
I mean, as — if you look at, for example, the Web companions that Office is doing, they do use Silverlight in a variety of instances.
In a variety of instances, documents and interviews show, Mr. Gingrich arranged meetings between executives and officials, and salted his presentations to lawmakers with pitches for his clients, who pay as much as $200,000 a year to belong to his Center for Health Transformation.
Then, with our methodology, it is possible to choose teeth presented a variety of instances of lesions related to ICDAS scores to training the examiners.
