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Dual convolutional codes and the MacWilliams identities
A recursion for sequences of spectra of truncated as well as tailbitten convolutional codes and their duals is derived. The order of this recursion is shown to be less than or equal to the rank of the weight adjacency matrix (WAM) for the minimal encoder of the convolutional code. It is sufficient to know finitely many spectra of these terminated convolutional codes in order to obtain an infinitel
Quantitative sensory testing of temperature thresholds: Possible biomarkers for persistent pain?
To investigate the reproducibility of thermal thresholds, as measured by repeated quantitative sensory testing (QST) in healthy controls, and to asses if temperature sensitivity differs between healthy controls and a cohort of patients with persistent pain.
On the existence of the Mazo-limit on MIMO channels
Mazo, in 1975, showed that the signaling rate of a linear modulation can be significantly higher than the maximum rate for orthogonal signaling without any loss of minimum square Euclidean distance. In subsequent literature the highest such rate is referred to as the Mazo-limit. In this letter we ask whether there exists a Mazo-limit also on MIMO channels. The answer is yes, but it applies to the
Market Capitalisation of Listed Companies. Data for Thirteen Western European Countries, U.S. and Canada 1975-1987.
Morph-specific and sex-specific temperature effects on morphology in the colour polymorphic damselfly Ischnura elegans
Colour polymorphic species with extensive ranges often exhibit large-scale geographic patterns of morph frequency variation. Because colour polymorphism is associated with correlated differences in multiple traits, such as thermal performance, a likely proximate explanation for such patterns is morph-specific responses to temperature variation. The colour polymorphic Blue-tailed damselfly Ischnura
Oxygen-induced dynamics of nitrous oxide in water and off-gas during the treatment of digester supernatant.
Nitrous oxide (N2O) is a potent greenhouse gas and of special concern in wastewater treatment. It is formed in biological wastewater treatment under both aerobic and anaerobic conditions. A major reason for high N2O emissions is low oxygen concentration during nitrification. In this full-scale study of N2O emissions from a sequencing batch reactor for treating digester supernatant, the oxygen conc
Effect of Acid Deposition on Quantity and Quality of Dissolved Organic Matter in Soil-Water.
The aim of this study was to explore how acid deposition may affect the concentration and quality of dissolved organic matter (DOM) in soil-water. This was done by a small-scale acidification experiment during two years where 0.5 × 0.5 m(2) plots were artificially irrigated with water with different sulfuric acid content, and soil-water was sampled using zero-tension lysimeters under the O-horizon
Gastric ectopic pancreas: not always an innocent bystander.
Durable Polysulfones with Densely Sulfonated Segments for Highly Proton Conducting Membranes
Popular Abstract in English Fuel cells have been considered as alternative power source to petroleum oil. Especially, fuel cells have potentials to provide no pollutant emission (e.g., CO2, NOx, SOx) out of the power generation. For instance, once the fuel cells are installed instead of combustion engine in the cars used for commuting, transportation and leisure, the amount of pollutant emission cFuel cells are considered as a promising alternative environmentally benign power source to the existing ones depending on petroleum oil. Especially, proton-exchange membrane fuel cells (PEMFCs) have been intensively developed during the last decade because of their wide application windows including various portable, stationary and transportation applications. The market has been and will be main
Medeltida förebilder, Ronneby 4-5 februari 2011
Austrian lichenologists exploring the Alps
Biographic sketches are provided for 19 of Austrian botanists who contributed in different ways to the knowledge on lichens of the European Alps: Othmar Breuss, Carl Wilhelm von Dalla Torre, Helmut Gams, Georg Gärtner, Martin Grube, Josef Hafellner, Karl von Keissler, Ernst Kernstock, Helmut Mayrhofer, Walter Obermayer, Josef Poelt, Karl Redinger, Julius Steiner, Elfriede Stocker-Wörgötter, Elisab
On the Structure of Subordinate Clauses in Swedish
This paper presents a novel observation on Swedish subordinate clause structure. I show that in embedded V2 clauses, negation may only precede quantified subjects in the position following the complementizer; this is the very same limitation as found in the first position of main clauses. This correlation I take to provide a strong argument for assuming V-to-C movement in embedded V2 clauses. This
Ideologisk orientering som lärprocess : Herbert Tingsten och erfarenheten
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Dynamic Guiding of Motor-Driven Microtubules on Electrically Heated, Smart Polymer Tracks
Biomolecular motor systems are attractive for future nanotechnological devices because they can replace nanofluidics by directed transport. However, the lack of methods to externally control motor-driven transport along complex paths limits their range of applications. Based on a thermo-responsive polymer, we developed a novel technique to guide microtubules propelled by kinesin-1 motors on a plan
Inter-System Handovers in Heterogeneous Wireless Systems
To better utilize existing wireless systems, they can be combined together to interact and thereby provide better balanced capacity. They can further profit from this by getting their ongoing connection moved from the current system to another. The main issues are to make this move without losing the ongoing connection and to make it seamless, i.e., without the user noticing it. This action of mov
Lässcener: Publik och medier på café och sockenbibliotek
Impact of impregnation time and chip size on sugar yield in pretreatment of softwood for ethanol production.
Efficient pretreatment is necessary to make the wood-to-ethanol process more feasible. In this study, chips of different sizes were impregnated with SO(2) and steam-pretreated. Dilute-acid pretreatment together with subsequent enzymatic hydrolysis resulted in solubilization of between 69% and 73% of the fermentable sugars (glucose and mannose) in the raw material for the combinations of impregnati
En kvinna klädd i solen: En tolkning av kvinnan i Uppenbarelseboken 12
This article explores and evaluates three common identifications of the woman in Revelation 12: Mary, mother of Jesus, Israel and the church. This is accomplished through the study of allusions, particularly to the Septuagint, that are embedded in the Greek text. Each verse describing the woman in Revelation 12 has connecting points with one or several texts in the Septuagint and seems to allude t