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210 research data, page 1 of 21

Stable isotope analysis on sediment core GIK23071-3

Voelker, Antje H. L. (2001)
Publisher: PANGAEA - Data Publisher for Earth & Environmental Science

Constitution of Grignard Reagent RMgCl in Tetrahydrofuran

The constitution of Grignard reagent, RMgCl (R = Me, tBu, Ph or benzyl), was investigated in the solid state by means of X-ray crystallography and in THF by coldspray ionization mass spectrometry (CSI-MS). Three types of crystal structures, (a) [Mg2(μ-Cl3)(THF)6]+·[RMgCl2(THF)]-, (b) R2Mg4Cl6(THF)6, and (c) [2Mg2(μ-Cl3)(THF)6]+·[R4Mg2Cl2]2-, were identified, and MeMg2(μ-Cl3)(THF)4-6 were detected as major species of MeMgCl in solution.

Biogeochemical data from surface sediments in the Porcupine Abyssal Plain, supplement to: Danovaro, Roberto; Dell'Anno, Antonio; Fabiano, Mauro (2001): Bioavailability of organic matter in the sediments of the Porcupine Abyssal Plain, northeastern Atlantic. Marine Ecology Progress Series, 220, 25-32

DANOVARO Roberto; Dell'Anno, Antonio; Fabiano, Mauro (2001)
Publisher: PANGAEA - Data Publisher for Earth & Environmental Science
We investigated spatial and temporal changes in quantity, quality and bioavailability of organic matter in abyssal sediments of the northeastern Atlantic. Sediment samples were collected in the Porcupine Abyssal Plain (PAP, 4800 m depth) during 6 oceanographic cruises from September 1996 to October 1998 down to a depth of 15 cm. Sedimentary proteins, carbohydrates and lipids, and their enzymatically hydrolysable fractions showed significant temporal changes, but different biochemical classes ...

Patientensouveränität : der autonome Patient im Mittelpunkt

In Anbetracht des wachsenden finanziellen Drucks auf die sozialen Sicherungssysteme drängt sich immer stärker die Frage auf, ob sich in Zukunft die Errungenschaften der modernen Medizin im Rahmen einer allgemeinen Gesundheitsversorgung bei weitgehend stabilen Beitragssätzen zur gesetzlichen Krankenversicherung (GKV) überhaupt noch finanzieren lassen. Die in den inzwischen zahlreich vorliegenden Untersuchungen formulierten Vorschläge für Maßnahmen zur Weiterentwicklung des Gesundheitssystems z...

On the centipedes (Chilopoda) of the Republic of Macedonia

plazi (2001)
Publisher: Plazi.org taxonomic treatments database
This dataset contains the digitized treatments in Plazi based on the original journal article Pavel Stoev (2001): On the centipedes (Chilopoda) of the Republic of Macedonia. Historia naturalis bulgarica 13: 93-107, URL: http://un.availab.le

Natality Detail File, 1987: [United States]

United States Department of Health and Human Services: National Center for Health Statistics (2001)
Publisher: ICPSR - Interuniversity Consortium for Political and Social Research
This collection provides information on live births in the United States during calendar year 1987. The natality data in this file are a component of the vital statistics collection effort maintained by the federal government. Geographic variables of residence for births include the state, county, city, population, division and state subcode, Standard Metropolitan Statistical Area (SMSA), and metropolitan/nonmetropolitan county. Other variables include the race and sex of the child, the age o...

Bose-Einstein condensation in a surface microtrap

Ott, Herwig; Fortágh, József; Schlotterbeck, G.; Grossmann, A. (2001)
Publisher: Universitätsbibliothek Tübingen
Embargo end date: 2015/04/30

Existential and positive theories of equations in graph products

Diekert, Volker; Lohrey, Markus (2001)
Publisher: Universität Stuttgart
Embargo end date: 2016/03/31
We prove that the existential theory of equations with normalized rational constraints in a fixed graph product of finite monoids, free monoids, and free groups is PSPACE-complete. Under certain restrictions this result also holds if the graph product is part of the input. As the second main result we prove that the positive theory of equations with recognizable constraints in graph products of finite and free groups is decidable.

Search for first generation scalar and vector leptoquarks