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The natural radiative lifetimes of some excited Bi I levels belonging to the 6 p 2 7 s and the 6 p 2 6 d configurations have been determined by analyzing Hanle depolarization curves obtained in an atomic beam experiment on the 100% abundant isotope Bi 209 ( I =9/2). Taking the exciting light spectral distribution into account the following values for the lifetimes have been obtained: ##IMG## [http

The Pd atom in the title compound, [Pd(CHP)Cl], has a distorted square-planar CClP coordination geometry with the ,,'-tridentate ligand forming two five-membered metallacycles. The cyclo-hexane ring is aligned with the Pd coordination plane due to C-H activation in an equatorial position, giving a tri-equatorial conformation of the cyclo-hexyl ring.

The title compound, C13H16O2, is a chiral bicyclic structure composed of two fused cyclohexane rings possessing both boat and chair conformations. The molecules are packed in enantiopure columns which are pairwise linked forming an overall racemic solid; within the column pairs the packing is governed by weak dipole-dipole interactions stemming from stacked carbonyl functionalities (COcentroid-COc

The Pd-II atom in the title compound, [Pd(C2F3O2)(C24H43P2)], adopts a distorted square-planar geometry with the P atoms in a trans arrangement, forming two five-membered chelate rings. Four intramolecular C-H center dot center dot center dot O hydrogen bonds occur. The crystal packing reveals one weak intermolecular C-H center dot center dot center dot O hydrogen bond, which self-assembles the mo

Background. Studies suggest an increased risk for compromised cognitive function among cancer survivors. It is unclear to what extent chemotherapy is the cause and how the dysfunction, when present, affects everyday life. The objective was to study self-reported behaviours that may depend on cognitive function, among testicular-cancer survivors who received various cycles of cisplatin-based chemot

Temperature and air speed values normally characteristic of a heated and ventilated room are compared with values for a fire in the room so that a first approximation can be calculated for size of fire overcoming the effects of the initial conditions.

Background: Previous studies have reported an increased fracture risk after bariatric surgery. Objective: To investigate the association between different bariatric surgery procedures and fracture risk. Methods: Incidence rates and hazard ratios for fracture events were analysed in the Swedish Obese Subjects study; an ongoing, nonrandomized, prospective, controlled intervention study. Hazard ratio