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"Containing cases decided by the Supreme Court of Pennsylvania." (varies)
Zeolites, with their crystalline microporous structures, are cordial hosts to a wide variety of guests. However, it was the abrupt and unexpected departure of one of these guests (water) from a host (stilbite) on heating which led Cronstedt, in 1756, to coin the term "zeolite" (from the Greek meaning "boiling stone") to describe this material. Since that time, approximately 40 different naturally-occurring zeolites have been discovered on earth. Recent studies of meteorite compositions have shown that these guest-host materials (e. g. , sodalite) occur in other parts of the universe as well. However, it wasn't until the twentieth century that synthetic routes to zeolites and other non-alumin...
This new century will be an age in which humanity will strive for the recovery and preservation of a more natural environment and also for the establishment of clean and safe energy supply technologies. Up until now, environmental pollution and destruction on a global scale as well as the lack of sufficient clean energy have drawn great attention and concern to the vital need for totally new environmentally friendly, ecologically clean chemical technology, materials and processes -- the most important challenge facing chemical scientists for future generations. In this respect, zeolites offer very unique and interesting physicochemical properties such as a pore structure of a molecular scale...
This collection of Revolutionary War records contains rosters, with service records, of about 15,000 soldiers and officers from the New England states, New York, Pennsylvania, Maryland, Virginia and South Carolina, arranged by regiment, company, and corps. Saffell, who was counselor and agent for Revolutionary War pension claims also includes lists of distinguished prisoners, Half-Pay Acts of the Continental Congress, Revolutionary pension laws, and a list of the officers of the Continental Army who acquired the right to half-pay, commutation, and lands. Contains data not found anywhere else.