But enriching uranium, and obtaining enough material to build a weapon, is considered the most difficult part of the process.
And obtaining enough clean venom is difficult: box jellyfish don't last in captivity, so researchers often must wade into Indo-Pacific coastal waters — cyclone-prone and populated by crocodiles — to find a specimen.
It is also a way of bolstering Sotheby's online business, as the company has had trouble obtaining enough art and objects to fill its dot-com sales, people close to the Internet business have said.
The agency is involved in a fierce labor dispute with the United Federation of Teachers, a dispute that could prove especially hard to resolve, since it pits one of the state's most powerful, aggressive unions against a respected nonprofit agency that has traditionally had problems obtaining enough money.
For example, consider obtaining enough labeled data to train a classifier for a spam detection task (i.e. classifying spam and valid email).
There are broader risks in having the general electorate involved in every political decision, as opposed to delegation, as well costs for the public related to obtaining enough information to constructively contribute to every decision — not to mention the risk of having ill-founded and populist decisions.
Thus, telomerization of hMSC by hTERT overexpression maintains the stem cell phenotype of hMSC and it may be a useful tool for obtaining enough number of cells with a stable phenotype for mechanistic studies of cell differentiation and for tissue engineering protocols.
The reduction in peak intensity observed with increasing temperature is caused by the increase of nonradiative recombination due to the activation of nonradiative recombination centers at elevated temperature, and carriers obtaining enough thermal energy to escape the quantum disk to recombine nonradiatively.
But Dirksen was crucial to obtaining enough votes from conservative Republicans to break the filibuster.
His initial attempts were hampered by the difficulty of obtaining enough virus.
With 458 delegates in the bag, Trump is only 37percentt of the way to obtaining enough delegates for a nomination.
