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Desorption of cadmium (Cd) from sand was studied by both batch and flow-through methods. Batch experiments were conducted at three pH values (5.5, 6.0 and 6.5). In each case, the amount of Cd desorbed was low compared with the quantity of Cd adsorbed previ ...
This paper describes the synthesis of two novel tetra 2-bromoisobutyric acid-substituted perylene fluorophores and their use as initiators for the atom transfer radical polymerization of styrene. Different star-shaped polystyrenes covering a wide range of ...
Calcium alginate beads were thermally treated at temps. ranging from 25 DegC to 130 DegC for periods of up to 30 min. Important modifications to the structure of the alginate beads were shown to be a function of the temp. and period of incubation at each t ...
The crystallization kinetics of polyamide-12 has been investigated using a combination of differential scanning calorimetry (DSC) and hot-stage optical microscopy. The DSC data for isothermal crystallization were consistent with a simple two-parameter Avra ...
Transparent single crystals of Pb(Zn-1/3, Nb-2/3)O-3-PbTiO3 (PZN-PT) perovskite have been grown by the slow cooling method in a temperature gradient furnace. The optimization of growth techniques to crystallize PZN-PT with a cubic habitus is described in d ...
A review, with .apprx.43 refs. A review of different types of biol. reaction calorimetry systems currently used together with the operating principles is presented. The av. resoln. of these systems is approx. 20 to 1000 mW l-1, sufficient for studies of a ...
Many models have been developed to describe the kinetics of the free radical polymn. of Me methacrylate (MMA). However, they are restricted to low temps., e.g., below the glass transition temp. of the polymer, Tg. In this work, kinetics of bulk and soln. p ...
Bench-scale heat flux calorimetry is applied to monitor complex microbial systems producing secondary metabolites and having a rheol. complex behavior. With such systems, biol. metabolic activity can only be measured accurately if calorimetry is improved b ...
Driven by the need for more cost-effective applications, researchers and design engineers of polymer composites are facing increasing demands for the development of faster and more environment-friendly processing methods. Rapid processing techniques requir ...