theses, with sharp clasps which catch and stick in the esophagus, can lead to di− rect injury, compression ulcer, and per− foration or penetration [1,2]. To establish appropriate procedures for removing such objects according to our strategy for accidentally swallowed esophageal for− eign bodies, we examined: (i) the removal process in cases without esophageal re− section, and (ii) the resected...

The aim of this study was to me a su re the op ti cal den sity of four pac ka ble com po si te re sins with widths of 1, 2, 3 and 4 mm, by me ans of Di go ra® (di rect) and Dent Scan Dent Vi ew® (in di rect) di gi tal ima ging systems, in or der to com pa re both methods. Twenty acr ylic pla tes, with the pro po sed thick nes ses, were used, each one con ta i ning a sam ple of each re sin. Each...

et al. (1989) modeled ECa as a function of soil water content (both the mobile and immobile fractions), the Apparent profile soil electrical conductivity (ECa) can be an indielectrical conductivity (EC) of the soil water, soil bulk rect indicator of a number of soil physical and chemical properties. Commercially available ECa sensors can be used to efficiently and density, and the EC of the soi...

Syntax: P 2 Program TD 2 Type-Declaration T, S, U 2 Type-Name MD 2 Method-Declaration F* 2 Formal-List F 2 Formal B 2 Body D 2 Declaration E 2 Expression g 2 Method-Name E* 2 Expression-List C 2 Command M 2 Main I 2 Identi er N 2 Numeric-literal P ::= TD MD M TD ::= j type I fields ( F* ) j TD1 ; TD2 FD ::= j I : T j FD1 ; FD2 T ::= I MD ::= j method I ( F* ) : T f B g j MD1 ; MD2 F* ::= j F F*...

Methods presently used for the determi­ nation of serum iron and unsaturated ironbinding capacity have somewhat limited spectrophotometric sensitivity. Since molar absorptivity of a metal-ligand complex is a relative measure of sensitivity, an increase in the former improves accuracy in the de­ termination of trace constituents, especially when they are abnormally low. Obviously, low amounts of...

In a recent NDR machine experiment the transverse emittance was studied as a function of store time and tune. To explain the observed transverse emittance damping time constants, the magnetic measurement data of the longitudinal field of the bending magnets had to be taken intoaccount. The variation of the transverse emittances with tune due to misalignments and the associated anome lous~disper...

At the end of the 20th cen tury mo lec u lar ge net ics has been the cen tral theme in bi o log i cal thought. No body ques tions the im por tance of ge net ics, nor ar gues that DNA plays the role of the blue print of life for all com po nents of the liv ing cell. How ever, we still do not un der stand the gen eral mech a nism of the cell func tion and de vel op ment. The se quence of the hu m...

The low-frequency climate variability simulated in the North Atlantic by a coupled ocean-at-mosphere model is diagnosed and compared to available observations. A variety of statisticalmethods is used to study the quasi-decadal (QD) oscillations. They tend to show that local di-rect interactions between the atmosphere and the ocean may help maintaining them. 1. Observed low-frequency...

Irrigation management can have a profound influence on olive oil production. We initiated a 2-year study in the spring of 2002 to identify the optimal level of applied water on a super high tree-density (spacing 1.5 m 3.9 m) olive (Olea europaea L.‘Arbequina I-18’) orchard. Irrigation water was applied by drip irrigation to produce different water-application treatments of 15, 25, 40, 57, 71, 8...

Where the ro le o f so f twarein tens ive sys tems has sh i f ted f rom the t rad i t iona l one o f fu l f i l l ing i so lated computat iona l t a sks , l a rger co l l aborat ive soc ie t ie s wi th interac t ion as pr imary resource, i s g radua l ly t ak ing i t s p lace. Thi s can be obser ved in anyth ing f rom log i s t i cs to rescue operat ions and resource management , numerous ser v...