Due to technical limits of SEM-EDS only particles with diameter more than 0.6 μm can be analyzed and this is the major limit of this work, because in this way we cannot study the finest particles which are of great interest in the study of particulate matter.
Though its own bright graduates still head to Europe or the United States for PhDs or post-doctoral fellowships, nowadays that is more because science is an international affair than because they cannot study at home.
Because researchers cannot study live coelacanths in the laboratory, they inserted the fragment into a mouse embryo in order to learn what it does.
The latter is maybe a possible limitation of this study, because we cannot determine if the THR patients truly exhibited joint space narrowing.
Currently, nine out of ten experimental drugs fail in clinical studies because we cannot accurately predict how they will behave in people based on laboratory and animal studies.
But even ignoring the issue of whether happiness is something that can be measured, we can't really trust "happiness studies" because we cannot totally trust people's judgments on their own happiness.
However, it is difficult to investigate the function of GRN in human studies, because we cannot measure GRNs at this moment.
On the other hand, the elevations of two specimens GaK-97199 and GaK-9722) are ~ 1.1 m higher than in Group B. This may indicate that uplift took place before uplift event 2. However, no further comparison between the results of Ota et al. (1983) and this study is possible, because we cannot measure the 14C ages of the specimens examined by Ota et al. (1983).
But they cannot study because the income from our tea is not enough for us to educate our children".
If you cannot study because you are just too tense, or something is worrying you, it may be necessary to gain control of your emotions before you are able to successfully study on a regular basis.
