Sentence examples for difficult to expand in from inspiring English sources
Virgin, for instance, has found it difficult to expand in big airports controlled by its rivals.
We are finding it difficult to expand in the Chinese market.
She explains, 'If someone already is a producer in Mato Grosso, it is very difficult to expand in Goias because the producer is already in Mato Grosso.
However, obtaining Schwann cells for autologous transplantation is highly traumatic and these cells are difficult to expand in vitro [3].
Undifferentiated hESCs are difficult to expand in culture without the presence of different types of fibroblasts [3] or high concentration of different growth factors [8].
An additional advantage of combined delivery of HSCs and MSCs appears to be the disadvantages in association with the cost of multiple angiogenic growth factors, transplantation of endothelial cells that are difficult to isolate from patients and difficult to expand in vitro, and challenges associated with microsurgery for connecting bioengineered blood vessels.
In the literature, there is an opinion that it is difficult to expand the Coulomb energy in terms of LCHFD or moment functionals.
If prices settle below that range, many oil executives say they will find it difficult to expand production or invest in new exploration projects.
Below that level, oil executives warn that they will find it difficult to expand production or invest in new exploration projects.
In the late 1980s when these questions came to the fore, dendritic cells were already known to be highly immunostimulatory for T cells [11] but were difficult to expand and work with in vitro.
