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Biophysical controls on CO2 fluxes of three Northern forets based on long-term eddy covariance data.

Abstract in UndeterminedSix to nine years of net ecosystem carbon exchange (NEE) data from forests in Hyytiala in Finland, Soro in Denmark and Norunda in Sweden were used to evaluate the interannual variation in the carbon balance. For half-monthly periods, average NEE was calculated for the night-time data. For the daytime data parameters were extracted for the relationship to photosynthetic acti

Anaerobic biodegradation of spent sulphite liquor in a UASB reactor

Anaerobic biodegradation of fermented spent sulphite liquor, SSL, which is produced during the manufacture of sulphite pulp, was investigated. SSL contains a high concentration of lignin products in addition to hemicellulose and has a very high COD load (173 g COD 1(-1)). Batch experiments with diluted SSL and pretreated SSL indicated a potential of 12-22 1 methane per hire SSL, which corresponds

Photodynamic therapy utilising topical delta-aminolevulinic acid in non-melanoma skin malignancies of the eyelid and the periocular skin

Purpose: Photodynamic therapy utilising delta-aminoleuvlinic acid-induced protoporphyrin IX photosensitisation, was evaluated as a treatment modality for nonmelanoma skin malignancies of the eyelids and the periocular skin, Methods: Photodynamic therapy with laser light at 635 nm was performed in 13 patients with 19 basal cell carcinomas and one patient with 3 cutaneous T-cell lymphoma lesions. A

On the QoS tree construction in WiMAX mesh networks based on genetic algorithm approach

We study the influence of tree's depth and nodes' fan-out on the performance of WiMax mesh networks. For a given tree topology, we first analytically obtain per-node delay and per-node throughput. Then among plenty of tree topologies, extractable from a given network's graph, we search feasible trees which fulfil some per-node and network QoS requirements. Since the searching space is potentially

Hand Mobility in Scleroderma (HAMIS) test: the reliability of a novel hand function test.

Objective Hand Mobility in Scleroderma (HAMIS) is a new hand function test developed for adults who have systemic sclerosis. HAMIS consists of 9 items designed to measure all movements assessed in an ordinary range of motion (ROM)-measured hand test. The aim of this study was to examine the reliability of the test. Methods Two observers (one occupational therapist and one physiotherapist) perform

Scheduling Tests for 3D Stacked Chips under Power Constraints

This paper addresses Test Application Time (TAT)reduction for core-based 3D Stacked ICs (SICs). Applyingtraditional test scheduling methods used for non-stacked chiptesting where the same test schedule is applied both at wafer testand at final test to SICs, leads to unnecessarily high TAT. This isbecause the final test of 3D-SICs includes the testing of all thestacked chips. A key challenge in 3D-

HCCI Engine Modeling and Control Using Conservation Principles

The Homogeneous Charge Compression Ignition (HCCI) principle holds promise to increase efficiency and to reduce emissions from internal combustion engines. As HCCI combustion lacks direct ignition timing control and auto-ignition depends on the operating condition, control of auto-ignition is necessary. Since auto-ignition of a homogeneous mixture is very sensitive to operating conditions, a fast

Adaptive Microphone Array Employing Spatial Quadratic Soft Constraints and Spectral Shaping

The convenience and the ease of use provided by hands-free operation of speech communication devices mean that speech enhancement schemes are becoming indispensable. In this chapter, two subband adaptive microphone array schemes are presented, which aim to provide good speech enhancement capability in poor signal to noise ratio situations. The basic commonality of the adaptive microphone array sch

Endocytotic activity of mouse skeletal muscle fibres after long-term denervation

The endocytotic activity of skeletal muscle fibres and its relation to the denervated endplate region has been studied using horseradish peroxidase (HRP) as marker for endocytosis. In muscles denervated for a short time period (10-20 days) HRP-uptake occurred in small segments of the muscle fibres near the centre of the muscle (endplate region). After long-term denervation (6-12 months) similar se

Male but not Female Olfaction is Crucial for Intermolt Mating in European Lobsters (Homarus gammarus L.).

Chemical signals are common in most crustacean social interactions and are often perceived via chemosensory (olfactory) organs on the first antenna. Intermolt courtship behaviors and mating were investigated in size-matched pairs of intermolt European lobsters (Homarus gammarus) where the olfactory receptors of either the male or the female were lesioned with distilled water (olfactory ablation) o

Cost of access to health services in Zambia.

Equity is an important policy objective in the health care field. The importance of equity in health care provision can be argued from various points of view. As a result governments in all countries attempt to provide health care systems that enable equal access for everyone. Zambia is no exception. In the health care reforms the objective of the national health strategy is to provide Zambians wi

Direct and reverse mechanical modeling of an alkyd acrylic hybrid system: A morphological study

Mechanical modeling and dynamic mechanical analysis were associated to investigate the viscoelastic properties of an alkyd acrylic hybrid system in connection with its morphology, which was characterized by transmission electron microscopy. Theoretical predictions based on the interlayer model used in direct mode were successfully combined with the experimental viscoelastic data to lead to relevan

Closed-loop Combustion Control of Homogeneous Charge Compression Ignition (HCCI) Engine Dynamics

Homogeneous charge compression ignition (HCCI) is a hybrid of the sparkignition and compression ignition engine concepts. As in a sparkignition engine, a homogeneous fuel-air mixture is created in theinlet system. During the compression stroke the temperature of themixture increases and reaches the point of auto ignition, just as in acompression ignition engine (or Diesel). One challenge with HCCI

Urgent endovascular repair of juxtarenal/pararenal aneurysm by off-the-shelf multibranched endograft

Objective: To report outcomes of urgent juxtarenal/pararenal aneurysms (J/P-AAAs) managed by off-the-shelf multibranched thoracoabdominal endografts (Cook, T-branch). Methods: In this observational, multicenter, retrospective study, patients with J/P-AAAs treated by urgent endovascular repair by T-branch in 23 European aortic centers, from 2013 to 2023, were analyzed. Contained J/P-AAAs rupture, p

Efficient Modulation of Friction in Ultrasonic Motors Using Functional Fluids

Ultrasonic motors (USMs) have been extensively studied for three decades, due to their attractive features, such as high torque at low speed, simple structure, and precise positioning capability. However, since USMs are driven by the friction force between the rotor and the stator in most cases, they inherently possess the friction loss and the wear of contact materials, which cause their low effi

Long-term Outcomes of Transcatheter Aortic Valve Replacement With the Lotus Valve vs CoreValve/EvolutR : A Secondary Analysis of the REPRISE III Randomized Clinical Trial

Importance: Long-term follow-up after transcatheter aortic valve replacement (TAVR) is of interest given that longitudinal data on mortality and durability of transcatheter heart valves are limited. The REPRISE III (Repositionable Percutaneous Replacement of Stenotic Aortic Valve Through Implantation of Lotus Valve System-Randomized Clinical Evaluation) randomized clinical trial compared the mecha

Association of Annual N-Terminal Pro-Brain Natriuretic Peptide Measurements with Clinical Events in Patients with Asymptomatic Nonsevere Aortic Stenosis : A Post Hoc Substudy of the SEAS Trial

Importance: Recent studies have questioned the presumed low-risk status of patients with asymptomatic nonsevere aortic stenosis (AS). Whether annual N-terminal pro-brain natriuretic peptide (NT-proBNP) measurements are useful for risk assessment is unknown. Objective: To assess the association of annual NT-proBNP measurements with clinical outcomes in patients with nonsevere AS. Design, Setting, a