We present techniques for wide-field ultrahigh-precision time-sampled CCD photometry. Representing a survey of field stars, our data consist of UBVRI photometry and a V-band time series of exposures on 5 consecutive nights covering 11,500 stars in a ∼1 deg field. The resulting light curves reach precisions of 0.0020 mag per exposure in the brightest stars ( ). Light curves binned and averaged o...

Understanding of the elastic pressure/volume (Pel/V) curve is still limited in health and disease. The aim of the present study was to elucidate the Pel/V curve and elastance of the respiratory system (ERS) lung (EL) and chest wall (ECW) in healthy pigs. Six young (20.8 kg) and seven adult (58.9 kg), anaesthetized, paralysed and ventilated pigs were studied. Pel/V curves were recorded at zero e...

We study the Hilbert scheme Hilb V of smooth connected curves on a smooth del Pezzo 3-fold V . We prove that every degenerate curve C, i.e. every curve contained in a smooth hyperplane section S of V , does not deform to a non-degenerate curve if the following two conditions are satisfied: (i) χ(V, IC(S)) ≥ 1 and (ii) for every line ` on S such that ` ∩ C = ∅, the normal bundle N`/V is trivial ...

We study the Hilbert scheme Hilb V of smooth connected curves on a smooth del Pezzo 3-fold V . We prove that every degenerate curve C, i.e. every curve contained in a smooth hyperplane section S of V , does not deform to a non-degenerate curve if the following two conditions are satisfied: (i) χ(V,IC(S)) ≥ 1 and (ii) for every line l on S such that l ∩ C = ∅, the normal bundle Nl/V is trivial (...

We study the Hilbert scheme Hilb V of smooth connected curves on a smooth del Pezzo 3-fold V . We prove that every degenerate curve C, i.e. every curve contained in a smooth hyperplane section S of V , does not deform to a non-degenerate curve if the following two conditions are satisfied: (i) χ(V,IC(S)) ≥ 1 and (ii) for every line l on S such that l ∩ C = ∅, the normal bundle Nl/V is trivial (...

Recent data have suggested that the elastic properties of the chest wall (CW) may be compromised in patients with ARDS because of abdominal distension (4). We partitioned CW and lung (L) mechanics, assessed the role of abdominal distension, and verified whether the underlying disease responsible for ARDS affects the impairment of respiratory mechanics. Volume-pressure (V-P) curves (interrupter ...

In this paper we derive a list of all the possible indecomposable normalized rank–two vector bundles without intermediate cohomology on the prime Fano threefolds and on the complete intersection Calabi-Yau threefolds, say V , of Picard number ρ = 1. For any such bundle E, if it exists, we find the projective invariants of the curves C ⊂ V which are the zero–locus of general global sections of E...

Spectroscopic current-voltage (1-v) curves taken with a scanning tunneling microscope on a synthetic, boron-doped diamond single crystal indicate that the diamond, boiled in acid and baked to 500 “C in vacuum, does not exhibit ideal Schottky characteristics. These 1-V curves taken in ultrahigh vacuum do not fit the traditional theory of thermionic emission; however, the deviation from ideal can...

A simple and parsimonious model which originated from the Weibull frequency distribution was proposed to describe nonlinear survival curves of spores. This model was suitable for downward concavity curves (Bacillus cereus and Bacillus pumilus), as well as for upward concavity curves (Clostridium botulinum). It was shown that traditional F values calculated from this new model were no longer add...