Policies to cap emissions of carbon dioxide (CO2) in the U.S. economy could pose significant costs on the electricity sector, which contributes roughly 40 percent of total CO2 emissions in the U.S. Using a detailed simulation model of the electricity sector, we evaluate alternative ways that emission allowances can be allocated. Most previous emissions trading programs have allocated the major ...

Activity and activation of ribulose 5-phosphate kinase, ribulose diphosphate carboxylase, phosphoglycerate kinase, and the NADPand NAD-dependent glyceraldehyde phosphate dehydrogenases from isolated chloroplasts were traced in tbe course of differential ultracentrifugation. Activation of some of these enzymes was carried out by incubation with NADPH2 or ATP. Activity of ribulose diphosphate car...

We describe a new method for tonometry of small amounts of blood (up to 0.25 mL) at known Po2 Pco2 and temperature, in small, reusable, closed Pyrex flasks. Equilibrated blood is analyzed for oxygen saturation, pH, and organic phosphate concentration with standard techniques, and its (the Po2at which hemoglobin is half-saturated with oxygen) is determined with full control of all the variables ...

Solutions of tris(hydroxymethyl)aminomethane (Tris) have been shown to be a convenient primary standard for the Kjeldahl analysis. This compound is readily available in analytical reagent grade and has all the desirable properties of a primary standard. It is unnecessary to protect the Tris solution from C02, as any reaction between Tris and this gas cannot be detected by the titrimetric proced...

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