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Vertical indication with a physical pendulum based on electromechanical synthesis of a high moment of inertia.

Artikeln beskriver ett nytt sätt att syntetisera tröghetsnavigeringssystem. Systemet är baserat på en princip för vertikalindikering, som uppfanns av författarna 1959. Ett komplett navigeringssystem enligt den nya principen har utvecklats och byggts av Philips Teleindustri i Stockholm. Detta system har genomgått en omfattande testning i flygplan. De första testflygningarna utfördes med ett litet t

An improvement of Hoffmann-Jorgensen's inequality

Let B be a Banach space and F any family of bounded linear functionals on B of norm at most one. For x ∈ B set || x || = supΛ∈F Λ (x) (||· || is at least a seminorm on B). We give probability estimates for the tail probability of S* n = max1≤ k≤ n ||Σk j=1 Xj || where {Xi}n i=1 are independent symmetric Banach space valued random elements. Our method is based on approximating the probability that

Gotlands guldålder : Kyrkor, konjunkturer och korståg

On Gotland medieval ruins and unfinished churches bear witness of a Golden Age, which suddenly was interrupted. With the enormous chancel ofKällunge as a point of departure I ask, why medieval Gotland declined. Hitherto the explanations have been a shift in the transit trade in the late 13th C., the civil war between Visby and the countryside in 1288, the Pla- gue of 1350, the invasion by the Dan

Human papillomavirus typing in reporting of condyloma.

Monitoring of condylomas is an early evidence of population effectiveness of human papillomavirus (HPV) vaccination programs. If reporting could include HPV typing, the contribution by vaccine HPV types to condyloma burden could be monitored.

Differential Optical-absorption Spectroscopy (doas) System For Urban Atmospheric-pollution Monitoring

We describe a fully computer-controlled differential optical absorption spectroscopy system for atmospheric air pollution monitoring. A receiving optical telescope can sequentially tune in to light beams from a number of distant high-pressure Xe lamp light sources to cover the area of a medium-sized city. A beam-finding servosystem and automatic gain control permit unattended long-time monitoring.

New loci for body fat percentage reveal link between adiposity and cardiometabolic disease risk.

To increase our understanding of the genetic basis of adiposity and its links to cardiometabolic disease risk, we conducted a genome-wide association meta-analysis of body fat percentage (BF%) in up to 100,716 individuals. Twelve loci reached genome-wide significance (P<5 × 10(-8)), of which eight were previously associated with increased overall adiposity (BMI, BF%) and four (in or near COBLL1/GR

Clonal chromosomal abnormalities in congenital bile duct dilatation (Caroli's disease)

BACKGROUND: Caroli's disease is a rare congenital disorder characterised by cystic dilatation of the intrahepatic bile ducts and an increased risk of cholangiocellular carcinoma. The cause is unknown, but occasional familial clustering suggests that some cases are inherited, in particular when occurring in association with polycystic kidney disease and germline PKD1 gene mutations. To date, no gen

Recursive Formulas for the Evaluation of Certain Complex Integrals

This paper presents recursive formulas which admit simultaneous tests of stability and evaluation of quadratic loss functions for linear discrete-time dynamical systems. The method admits a significant reduction of the number of computations in comparison with previously known methods.