发电塑料

光伏电池是采用连续卷纸制造技术生产的,这种技术把聚合物以树装几何结构应用于基座,随后进入绕式(roll-to-roll)加工流程。基座可以是任何能在卷纸工艺中被金属化的塑料。     

能量聚合体

专利半导聚合体设计团队采用传统工艺提高太阳能的利用率。     

Seasonal changes in the forms and species of iron and manganese in a seasonally-inundated floodplain swamp

The forms and species in which Fe and Mn occurred in a seasonally-inundated Southeastern United States floodplain swamp were examined. The analytical scheme provided operational estimates of the concentrations of Fe(II), Fe(III) and Mn in particulate (> 0.45 μm), colloidal (0.45-0.0032 μm) and ultrafilterable (<0.0032 μm) size fractions. The procedure also provided a differentiation between forms of Fe that were readily reactive to bathophenanthroline (BPN) and those forms that were unreactive to BPN until undergoing acid extraction. Further, the concentrations of Fe and Mn associated with suspended particulate matter in ion-exchangeable, reducible, and oxidizable forms and as inert mineral were determined using an operational classification scheme.The ferric species predominated due to the oxygenated conditions of the swamp water. Concentrations of colloidal-sized, readily-reducible Fe and of ultrafilterable Fe(II) and Fe(III) were low (<0.25 mg 1⁻¹) and fairly constant throughout the study; more Fe occurred in the colloidal than ultrafilterable size range. The majority of the colloidal-sized Fe was in an acid-extracted form. Almost all ultrafilterable Fe was ferric, although high Fe(II) concentrations occurred in floodplain soil pore water. Total Fe, mainly particulate-associated, varied with periods of flooding and intense bioturbation. Manganese occurred in low concentrations, primarily in the ultrafilterable fraction, although colloidal-sized Mn forms were important at times. Most of the Fe and Mn associated with suspended particulates occurred in the inert mineral form and to a lesser extent in a reducible form. Ion-exchangeable and oxidizable particulate Fe and Mn were relatively unimportant.     

The influence of psychological stress on the "intolerance of ambiguity."

"The hypothesis that psychological stress will result in increased intolerance for ambiguity is supported by the generally significant differences between the stress and security groups on the experimental measures." (PsycINFO Database Record (c) 2010 APA, all rights reserved)