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TDC Offset Estimation from Motored Cylinder Pressure Data based on Heat Release Shaping

Abstract in UndeterminedFinding the correct Top Dead Center (TDC) offset for an internal combustion engine is harder than it seems. This study introduces a novel method to find the TDC offset based on the simple assumption that the heat loss power through the combustion chamber walls is constant for motored cycles in a narrow Crank Angle interval around TDC. The proposed method uses nonlinear leas

Polarization corrections to single-particle energies studied within the energy-density-functional and quasiparticle random-phase approximation approaches

Background: Models based on using perturbative polarization corrections and mean-field blocking approximation give conflicting results for masses of odd nuclei. Purpose: We systematically investigate the polarization and mean-field models, implemented within self-consistent approaches that use identical interactions and model spaces, to find reasons for the conflicts between them. Methods: For den

Evaluation of the Performances of Electrically Heated Clothing

Cold weather garments are necessary for people who are exposed to cold environments (below -5 °C). The weight and bulkiness of such a cold weather clothing ensemble may limit human activity and reduce the productivity. In order to solve these problems, a slim garment with a built-in heating element could be useful. The heat input power and heating efficiency are the two most important parameters f

Gentrifiering, socialgeografisk polarisering och bostadspolitiskt skifte

Ever since the term ‘gentrification’ was coined by Ruth Glass in 1964 this specific form of socio-economic change has attracted much attention within the social sciences, not least from geographers and sociologists. This has generated a rich discussion on the mechanisms behind the process and, to a lesser extent, a debate on positive and negative outcomes of gentrification. Critical voices have de

Effects of positive end-expiratory pressure on dead space and its partitions in acute lung injury

Objective: A large tidal volume (VT) and lung collapse and re-expansion may cause ventilator-induced lung injury (VILI) in acute lung injury (ALI). A low VT and a positive end-expiratory pressure (PEEP) can prevent VILI, but the more VT is reduced, the more dead space (VD) compromises gas exchange. We investigated how physiological, airway and alveolar VD varied with PEEP and analysed possible lin

Eutrophication processes and trophic interactions in a shallow estuary: Preliminary results based on stable isotope analysis (delta C-13 and delta N-15)

Stable isotopes ratios (delta C-13 and delta N-15) were measured in primary producers and consumers of two bays with contrasting eutrophic conditions in the pains Lagoon estuary, southern Brazil: the Justino bay, a more pristine ecosystem, and the Mangueira bay, a heavily polluted region that receives the Rio Grande city sewage and effluents of several industries. delta C-13 values of organisms co

Estimated and measured donor creatinine clearance are poor predictors of long-term renal graft function and survival

The objective of this study was to evaluate estimated and measured donor renal function in predicting graft function long-term and to identify donor criteria associated with nonacceptable graft prognosis. In 200 consecutive cadaver donors creatinine clearance was measured at explantation and estimated using the Cockcroft formula on admission serum creatinine. Graft function was evaluated in recipi

Mutations of FLT3, NRAS, KRAS, and PTPN11 are frequent and possibly mutually exclusive in high hyperdiploid childhood acute lymphoblastic leukemia

Although it has been suggested that mutations of the FLT3, NRAS, KRAS, and PTPN11 genes are particularly frequent in high hyperdiploid (>50 chromosomes) pediatric acute lymphoblastic leukemias (ALLs), this has as yet not been confirmed in a large patient cohort. Furthermore, it is unknown whether mutations of these genes coexist in hyperdiploid cases. We performed mutation analyses of FLT3, NRAS,

Enacting Green Consumers: The Case of the Scandinavian Preppies

The aim of this paper is to develop and illustrate an analytic approach that brings the active making and makings of green consumer images to the fore. Efforts to “know” the green consumers have generated multiple representations. Enactments of the green consumer are not innocent but also play a role in shaping how we understand and approach sustainable consumption. Because of this it is important

Differences in recruitment and life-history strategy alter zooplankton spring dynamics under climate-change conditions.

In recent decades temperature elevation has been the focus of many studies on climate change, including effects on planktonic communities, but few studies have examined the effects of increased water color ("brownification"). Since these changes are likely to occur simultaneously, it is important to investigate their potential interactive effects. Accordingly, we performed a mesocosm experiment wh

The complexity of inferring a minimally resolved phylogenetic supertree

A recursive algorithm by Aho et al. [SIAM J. Comput., 10 (1981), pp. 405-421] forms the basis for many modern rooted supertree methods employed in Phylogenetics. However, as observed by Bryant [Building Trees, Hunting for Trees, and Comparing Trees: Theory and Methods in Phylogenetic Analysis, Ph.D. thesis, University of Canterbury, Christchurch, New Zealand, 1997], the tree output by the algorith

Inter-domain electron transfer in cellobiose dehydrogenase: modulation by pH and divalent cations

The flavocytochrome cellobiose dehydrogenase (CDH) is secreted by wood-decomposing fungi, and is the only known extracellular enzyme with the characteristics of an electron transfer protein. Its proposed function is reduction of lytic polysaccharide mono-oxygenase for subsequent cellulose depolymerization. Electrons are transferred from FADH(2) in the catalytic flavodehydrogenase domain of CDH to

Traffic Calming in India : Report on the theory of Traffic Calming and empirical trials in the city of Jaipur

The pedestrian safety problem is huge in all developing countries. The main aims of the project are therefore: 1/To understand pedestrian safety problem in a developing country, 2/To identify feasible traffic calming measures. International experiences were complemented by field studies at seven sites in the city of Jaipur. A wide range of field studies were made, out of which traffic conflict stu

Pedestrian and bicyclist flows in accident modelling at intersections. Influence of the length of observational period

Safety performance functions are frequently used to describe the relation of various factors to the number of accidents, often focusing on exposure of vulnerable road users. Those studies require reliable data regarding exposure, but collecting such data is resource demanding, often resulting in short observational periods. This might produce measurement errors, influencing the reliability of the

Morph-specific variation in intersexual genetic correlations in an intra-specific mimicry system

Background: Positive intersexual genetic correlations are typically viewed as constraining the evolution of sexual dimorphism, when traits are subject to sexually antagonistic selection. Our study species, the damselfly Ischnura elegans, has a female-limited colour polymorphism with three female colour morphs (males are monomorphic), one of which is considered to be a male mimic. Questions: Are th

Electronic structure of fluorinated multiwalled carbon nanotubes studied using x-ray absorption and photoelectron spectroscopy

This paper presents the results of combined investigation of the chemical bond formation in fluorinated multiwalled carbon nanotubes (MWCNTs) with different fluorine contents (10-55 wt %) and reference compounds (highly oriented pyrolytic graphite crystals and "white" graphite fluoride) using x-ray absorption and photoelectron spectroscopy at C 1s and F 1s thresholds. Measurements were performed a

Subsequent Type 2 Diabetes in Patients with Autoimmune Disease.

Immunological data show that type 2 diabetes (T2D) manifests autoimmune features. We wanted to test the association epidemiologically by assessing subsequent diagnosis of T2D following diagnosis of autoimmune disease (AId) and subsequent AId after T2D in the same individuals. Patients were identified from three Swedish health databases. A total of 32 different AId were included. Standardized incid

Changes in community mobility in older men and women. A 13-year prospective study.

Community mobility, defined as "moving [ones] self in the community and using public or private transportation", has a unique ability to promote older peoples' wellbeing by enabling independence and access to activity arenas for interaction with others. Early predictors of decreased community mobility among older men and women are useful in developing health promoting strategies. However, long-ter