|
The Clay Speakership Revisited(*).
Polity; 6/22/2000; Strahan, Randall Moscardelli, Vincent G. Haspel, Moshe Wike, Richard S.; 14524 words
; Henry Clay of Kentucky served as speaker of the U.S ... most of the period between 1811 and 1825. Clay's speakership is of unusual interest to students ... enacted as well. Some also contend that, under Clay's leadership, the House entered into a period ...
Read more
|
|
Dispersed clay and organic matter in soil: their nature and associations.
Australian Journal of Soil Research; 3/1/1999; Nelson, P. N. Baldock, J. A. Clarke, P. Oades, J. M. Churchman, G. J.; 12161 words
; Abstract Clay dispersion in soil results in structural instability ... dispersed, moderately dispersed, and difficult to disperse clay, and silt, sand, and light fractions. As a proportion of total clay, easily dispersed clay content was greatest in the ...
Read more
|
|
Stoneware clay body formulas: Part 2: the perfect body: understanding the considerations used in selecting specific clay body components can help pottery producers optimize their own formulations.(Pottery Production Practices)
Ceramic Industry; 10/1/2005; Zamek, Jeff; 2719 words
; A perfect clay body is a subjective term, but the chances ... fluxes and fillers are used. When designing a clay body, factors such as the forming method ... Practices, June 2005). The composition of a clay body formula is often a personal choice ...
Read more
|
|
Clay Mineralogy of Central Victorian (Creswick) Soils: Clay Mineral Contents as a Possible Tool of Environmental Indicator
Soil & Sediment Contamination; 7/1/2006; Sultan, Khawar; 6241 words
; ... scanned between 2.9 and 35 angles at a speed of 2.00/min. clay mineral identification is based on XRD patterns for ... obscuration. The percentages of three grain size fractions-clay (<2 m), silt (2-20 m) and sand (20 m-2 mm)-were ... variation from triplicate determinations averaged 4.1%. The maps were ...
Read more
|
|
Intercalation and exfoliation of clay nanoplatelets in epoxy-based nanocomposites: TEM and XRD observations.
Polymer Engineering and Science; 4/1/2006; Miyagawa, Hiroaki Drzal, Lawrence T. Carsello, Jerrold A.; 4943 words
; INTRODUCTION The use of organo-clay nanoplatelets in polymers to create nanocomposites ... material investigated [2], other polymer-based clay nanocomposites have been developed with ... engineering fields, this article focuses on epoxy/clay nanocomposites, whose glass transition ...
Read more
|
|
The structure-property relationship of novolac cured epoxy resin/clay nanocomposites.(Report)
Polymer Engineering and Science; 3/1/2008; Tsai, Tsung-Yen Lu, Shau-Tai Huang, Chin-Jei Liu, Jia-Xiang Li, Chih-Hung Chen, Li-Chun Ray, Umasankar; 5041 words
; INTRODUCTION Polymer/clay nanocomposites (PCNs) have been studied ... that by incorporating the small amount of clay (<10 wt%) into the polymer, the mechanical ... us to prepare and study the epoxy resin/clay nanocomposite. But, the compatibility between ...
Read more
|
|
Stoneware clay body formulas: Part 1: the basics: understanding how all of the different components of a stoneware clay body work together can help potters develop the best formula for their intended application.
Ceramic Industry; 6/1/2005; Zamek, Jeff; 2154 words
; Stoneware clay is a widely used generic term for clay bodies fired between cone 6 (c/6, 2232[degrees]F) and cone ... vitreous, functional piece of pottery or sculpture. * Stoneware clay body formulas can contain just a few raw materials or an amalgam ...
Read more
|
|
Crown ether-modified clays and their polystyrene nanocomposites.(Abstract)
Polymer Engineering and Science; 9/1/2002; Yao, Hongyang Zhu, Jin Morgan, Alexander B. Wilkie, Charles A.; 3331 words
; INTRODUCTION Polymer-clay nanocomposites have been extensively studied because ... there is compatibility between the polymer and the clay to obtain well-dispersed materials. Since the natural clay is highly hydrophilic, it is important to improve ...
Read more
|
|
Polypropylene--clay nanocomposites: influence of low molecular weight polar additives on intercalation and exfoliation behavior.
Polymer Engineering and Science; 8/1/2006; Ratnayake, U.N. Haworth, B.; 4520 words
; ... AND OBJECTIVES Polymer nanocomposites based on clay are two-phase materials in which clay particles are dispersed towards the nanometer ... compatible with polymers [1, 2]. Basically, polymer-clay composites are divided into three general types ...
Read more
|
|
Stoneware: clay body formulas: Part 3: plasticity: clay body additives and the right mixing techniques can be used to accelerate the aging process and achieve an optimum level of plasticity.(ceramic materials)
Ceramic Industry; 2/1/2006; Zamek, Jeff; 2005 words
; When creating a stoneware clay body formula, one of the most important characteristics ... plasticity. The unique attributes displayed by clay/water structures contribute to the plastic qualities of moist clay. Under magnification, clay looks like many plate ...
Read more
|