Sentence examples for impossible to be obtained from inspiring English sources

These solutions are generally difficult or even impossible to be obtained analytically.

Indeed, human atrial myocytes are technically, ethically and logistically difficult to get, but human ventricular are almost impossible to be obtained unless from the explanted hearts from patients at the end stage of cardiac diseases.

First, it is impossible to be certain that we obtained all relevant articles.

Adequately quantifying the flows and stocks of health workers in a globalized world is a very difficult endeavor, as reliable information is nearly impossible to obtain, and is generally described as of poor quality (7) or even anecdotal (8).

Cash was becoming nearly impossible to obtain; banks were allowing customers to withdraw the equivalent of only one U.S. dollar per day.

However, when self-reported data are difficult or impossible to obtain, this is a valid method to generate information [ 9, 13].

In general, the $350 floor seats are impossible to obtain, but it can be done, as long as you are willing to break the law and pay $30,000 to $40,000 a pair.

That can be nearly impossible to obtain when someone is having a heart attack.

Unbiased baseline information about IBS, food intolerance, previous gastrointestinal infections or other illnesses is impossible to obtain, as this may be regarded as a natural, unplanned experiment.

An optimal solution to Problem (23) is impossible to obtain, since this problem is still non-concave in b and v.

Hence, for films thinner than 100 nm, it is almost impossible to obtain results without being influenced by responses from the substrate.