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Chloride profiles were measured on ten different concrete qualities. The effect of two different cements, an ordinary Portland cement, OPC, and a sulfate-resistent Portland cement, SRPC, with and without inclusion of silica fume and fly ash was investigated. The samples were exposed to a 3 wt% sodium chloride solution for 119 days. Two different preparations before exposure were studied. Both type
Conditions for predicting the effects of intervention with certainty are derived. An outside observer studies sequences of actions from a two-person repeated prisoners' dilemma. The sequences are generated by finite automata, which are optimal at each stage of the game and also minimize the number of states. An intervention is a change of action for one of the players and a prediction is a stateme
The use of short interfering RNAs (siRNA) for selective suppression of protein production has rapidly become a commonly used technique for transient modulation of protein levels. In the present paper, we investigate whether introduction of platinated bases in the sense strand can be used to modulate the efficacy of siRNAs. Four different siRNAs were studied, all targeting the initial AU-rich 3' UT
Abstract is not available.
This paper develops the foundations and the implications of the mechanisms proposed as possible triggers for the demographic transition and the process of socio-economic development. In particular it examines the role played by gender equality and its significance for the understanding of the development process which allowed economies to move out of a long period of stagnation into a state of sus
The goal of this paper is to discuss current problems of education for sustainable development, i.e. a global educational innovation that is actively growing in the new century. In Sweden, which has extensive experience in ecological education, education for sustainable development is considered a national model for the creation of the foundation for SD. In Russia, difficulties exist in defining a
This paper presents measurements of the moisture storage capacity for several different porous building materials. The storage capacity is measured by a sorption balance in the hygroscopic range and with pressure plate and pressure membrane extractors in the superhygroscopic range. The results are presented both as retention curves and sorption isotherms and indicate, among other things, that some
Abstract in UndeterminedUsing an exact circuit analogy for the scattering ofvector spherical waves, it is shown how the problem of determiningthe optimal scattering bounds for a homogeneous spherein its high-contrast limit is identical to the closely related, andyet very different problem of finding the broadband tuning limitsof the spherical waves. Using integral relations similar to Fano’sbroadb
OBJECTIVE:: To evaluate the effect of prednisolone and valacyclovir on ipsilateral pain around the ear and in the face or neck in Bell's palsy. The incidence and intensity of pain during the first 2 months of palsy and its prognostic value were also assessed. STUDY DESIGN:: Prospective, randomized, double-blind, placebo-controlled, multicenter trial. SETTING:: Sixteen tertiary referral centers in
BACKGROUND: Hormone-sensitive lipase (HSL) is a key enzyme in the mobilization of energy in the form of fatty acids from intracellular stores of neutral lipids. The enzyme has been shown to exist in different isoforms with different molecular masses (84 kDa, 89 kDa and 117 kDa) expressed in a tissue-dependent manner, where the predominant 84 kDa form in adipocytes is the most extensively studied.
