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Reduction behavior of oxidized Pd(100) and Pd75Ag25(100) surfaces using CO

The reduction of the (A root 5x root 5)R27 degrees surface oxide on Pd(100) and Pd75Ag25(100) surfaces by CO has been investigated by high-resolution X-ray photoelectron spectroscopy in combination with kinetic analysis using the Avrami-Erofeev theory. For both surfaces we observed faster reduction with increasing temperature. Kinetic analysis indicates that the reduction process is phase boundary

Denitrification at low temperatures using a suspended carrier biofilm process

The denitrification process was studied in a stirred lab-scale suspended carrier biofilm reactor at low temperatures (3–20°C). The reactor was filled to 50% with Kaldnes K1 carriers. The denitrification rate showed only a rather weak dependence on the temperature, the rate at 3°C being approximately 55% of that at 15°C. The maximum denitrification rate obtained at 15°C was 2.7 g NOx−-N m−2 carrier

A comparison of digital morphometry and clinical measurements of ears.

Abstract Clinical measurements are necessary in many routine follow-ups and scientific evaluations, but the accuracy of these measurements is seldom challenged. The size of the reconstructed ear is one important parameter in the follow-up regarding patients operated on due to microtia. With the introduction of digital morphometry one was obliged to evaluate its accuracy in comparison to its analog

Verification of sheet metal forming simulation of advanced thin plate parts using a first order friction model

There is today a need of better prediction of part geometry regarding industrial products by simulations. There is a need for better prediction of material inflow, stresses and strains and final geometry. One way to solve this could be by using a more advanced friction model. Today a zero order friction model (Coulomb friction) is normally used. By using a friction model of higher order the fricti

Deposition of Airborne Particles onto the Human Eye - Wind Tunnel Studies of the Deposition Velocity onto the Eyes of a Mannequin

Abstract In the field of occupational hygiene much consideration is devoted to the uptake through the human airways, but there are also reports of irritations, complaints and hazards or potential hazards due to particle deposition onto the eyes. There is a need for data regarding the dependence of the deposition rate on particle size and environmental parameters in order to formulate sampling crit

Using simulation to analyse the impact of software requirement volatility on project performance

During the last decade, software process simulation has been used to address a variety of management issues and questions. These include: understanding; training and learning; planning; control and operational management; strategic management; process improvement and technology adoption. This paper presents a simulation model that was developed to demonstrate the impact of unstable software requir

Meta Isæus-Berlin: De animerade installationerna /The Animated Installations

Meta Isæus-Berlin: The Animated Installations Torsten Weimarck At about the same time that I saw Meta Isæus-Berlin’s remarkable installation Ett vattenhem (A Water Home) at the Bo01 Housing Fair in Malmö I also happened to see Johannes Stjärne Nilsson and Ola Simonsson’s film Music for one appartment and six drummers which was shown as a supporting film in the cinema. It struck me that these wo

Viscosity Model Uncertainties in an Ash Stabilization Batch Mixing Process

Recycling wood ash from burnt wood (back to the forest grounds) is of great ecological importance. However, the ash cannot be recycled directly after combustion. There are several reasons for this, one being the volatility of wood ashes. Mixing ash/dolomite/water in order to obtain granular material is one method to stabilize wood ashes. The main problem is predicting the quantity of water to be a

Charged polymer membrane translocation

We study the process of charged polymer translocation, driven by an external electric potential, through a narrow pore in a membrane. We assume that the number of polymer segments, m, having passed the entrance pore mouth, is a slow variable governing the translocation process. Outside the pore the probability that there is an end segment at the entrance pore mouth, is taken as the relevant parame

Investigations of the kinetics and mechanism of reduction of a carboplatin pt(IV) prodrug by the major small-molecule reductants in human plasma

The development of Pt(IV) anticancer prodrugs to overcome the detrimental side effects of Pt(II)-based anticancer drugs is of current interest. The kinetics and reaction mechanisms of the reductive activation of the carboplatin Pt(IV) prodrug cis,trans-[Pt(cbdca)(NH3)2Cl2] (cbdca = cyclobutane-1,1-dicarboxylate) by the major small-molecule reductants in human plasma were analyzed in this work. The

Performing Instagram photography and the disciplining gaze

This paper approach participation in visual promotional strategies as a novel form of public performance. The paper examines the social rules and conventions of photography practices on visual social media platforms in a qualitative study of how 30 participants in so-called Instagram takeovers make sense of and perform photography as an embodied visual practice situated in time and space.A dramatu

Pancreatic lipolytic enzymes in human duodenal contents. Radioimmunoassay compared wih panreatic lipolytic enzyme activity

The total pancreatic lipolytic capacity was determined in duodenal contents in healthy humans 10-120 min after a liquid test meal, by estimating the amount of pancreatic lipase, colipase, carboxyl ester lipase, and phospholipase A2 by means of radioimmunoassays and enzymatic assays. The molar concentrations of the different proteins were of the same order of magnitude. The relative specific activi

Methodological challenges when doing research that includes ethnic minorities : a scoping review

Background: There are challenging methodological issues in obtaining valid and reliable results on which to base occupational therapy interventions for ethnic minorities. The aim of this scoping review is to describe the methodological problems within occupational therapy research, when ethnic minorities are included. Method: A thorough literature search yielded 21 articles obtained from the scien

Management Control Systems for Lean Management in Medical Services : A case study at Lund and Kameda

The financial position of the medical insurance system of Japanese government has been worsened recently, and thus the Ministry of Health, Labor and Welfare has prompted the medical reforms to reconstruct the financial balance of the medical insurance system. As one of these efforts, a fixed payment system for medical services based on “DPC” (Diagnosis Procedure Combination) was introduced to a nu