Engineers blamed hydrogen-assisted cracking, in which atoms of hydrogen infiltrate steel and make it brittle, but they have yet to determine its cause.
The reasons for the 'bunching' phenomena were unknown by the kit supplier or manufacturer and it was beyond the scope of this project to determine its cause, which increased the time to find a true result and processing costs.
John Nester, a spokesman for the agency, said on Friday, "As is our practice, staff will review the incident with Nasdaq to determine its cause and steps that will be taken to address it".
Seismologists haven't forgotten the quake, however, and have been trying for years to determine its cause, with little luck.
Producers have acknowledged the problem, which by no means strikes all the wines, and have worked feverishly to determine its cause, making many modifications in their winemaking and bottling techniques.
"AIDS and the Public Debate" Dr. Samuel Broder, director of the National Cancer Institute, 1988-1995, speaking of the early years of the epidemic: "In part, the sheer complexity of AIDS, and the inability at that time to determine its cause or treatment, made things much worse.
There have been studies to see if this link between CDH and anxiety/affective disorders was substantial and to determine its cause.
When the physician certifies death, he or she observes a state of the body, determines its cause, and predicts that this state is permanent.
In the first case above, we start with an effect (the planets not twinkling) and determine its cause (the planets being near) by finding an appropriate additional premise, and in the second case, having determined the cause, we reverse the process to display the passage from cause to effect.
