in his post-critical writing, particularly prolegomena and both versions of preface in critique of pure reason, kant explains the importance and core function of mathematical antinomy in his philosophical project. this essay reviews and analyses the history and function of antinomies of pure reason, particularly mathematical antinomies and poses an account on kant’s proof for first and second a...

The effect of monoaluminum phosphate (Al(H2PO4)3) addition in the thermochemical process a kaolinitic clay was studied and compared with pure clay. Monoaluminum incorporation is technological interest for widely use this material as an effective binder. From point view important to clarify processing strategy clay-MAP based ceramics. This work comprised characteristics obtained ceramics using d...

Introduction: The remediation of nuclear contamination in soils and sediments at the Savannah River Site, SC (SRS) is an ongoing government project with implications for the health of ecosystems near the site. In addition to environmental protection, the safety of the food and drinking water produced in the region is also at risk for impurity. In previous studies, hydroxy-interlayered vermiculi...

We developed ceramic core-shell materials based on abundant halloysite clay nanotubes with enhanced heavy metal ions loading through Schiff base binding. These clay tubes are formed by rolling alumosilicate sheets and have diameter of c.50 nm, a lumen of 15 nm and length ~1 μm. This allowed for synthesis of metal nanoparticles at the selected position: (1) on the outer surface seeding 3-5 nm me...

Playas in endorheic basins are of environmental value and highly scientific because of their natural habitats of a wide variety of species and indicators for climatic changes and tectonic activities within continents. Remote sensing, due to its capability of acquiring repetitive data with synoptic coverage, provides a unique tool to monitor and collect spatial information about playas. Most stu...

for a fiber optical surface plasmon resonance (spr) sensor a short part of its cladding should be removed to coat a thin layer of a metal. usually this is problematic when an optical fiber with small core diameter is used. in this paper, a new method using µliter droplet of the hf acid for short fiber optical taper fabrication is reported. using this method in a multi-mode optical fiber with th...

B. CARMICHAEL .................................................... Protective Coatings for Mineral and Rock Specimens: DR. ROBERT W. CLARK. A Short Method Obituary: for the Preparation of Animal Tissues for StainSamruel Wesley Stratton: DR. F. C. BROWN. ing: DR. PAUL W. BOWMAN and MARK N. LINCH ...... 439 Recent Deaths .......... 428 Special Articles: Scientific Events: Further Experiments on C...

The biogeochemistry of phyllosilicate-Fe redox cycling was studied in a Phalaris arundinacea (reed canary grass) dominated redoximorphic soil from Shovelers Sink, a small glacial depression near Madison, WI. The clay size fraction of Shovelers Sink soil accounts for 16% of the dry weight of the soil, yet contributes 74% of total Fe. The dominant mineral in the clay size fraction is mixed layer ...