نتایج جستجو برای: postdate
تعداد نتایج: 136 فیلتر نتایج به سال:
Nanodiamonds and wildfire evidence in the Usselo horizon postdate the Allerod-Younger Dryas boundary
Significance Both theory and experiments suggest that fishing can drive the evolution of an earlier maturation age. However, determining whether changes in wild are result fisheries-induced has been difficult. Temporal, genome-wide datasets directly reveal responses to selection. Here, we investigate genomes two Atlantic cod populations from samples pre- postdate periods intensive fishing. Alth...
OBJECTIVE To determine coital incidence at term and to estimate its effect on labor onset and mode of delivery. METHODS Healthy women with uncomplicated pregnancies and established gestational age were recruited to keep a diary of coital activity from 36 weeks of gestation until birth and to answer a short questionnaire. Two hundred women with complete coital diaries were available for analys...
Indirect evidence for life on Mars has been reported from the study of meteorite ALH84001. The formation temperature of the carbonates is controversial; some estimates suggest 20 degrees to 80 degrees C, whereas others exceed 650 degrees C. Paleomagnetism can be used to distinguish between these possibilities because heating can remagnetize ferrimagnetic minerals. Study of two adjacent pyroxene...
Abstract Background Being one of the most common indications labor induction, postdate pregnancy can lead to serious maternal and fetal complications. In this study we aimed compare vaginal misoprostol with intracervical Foley catheter (FC) for cervical ripening in primigravid women. Methods This randomized clinical trial included 120 women aged 18–35 years singleton, pregnancies, Bishop score ...
Kikuchi-Fujimoto disease (KFD) is an uncommon clinicopathological entity characterized by fever and lymphadenopathy, predominantly involving cervical lymph nodes, accompanied by chills and leukopenia. The diagnosis relies primarily on the presence of typical morphological features in the swelling lymph nodes. KFD can occur as a benign and self-limiting lymphadenopathy, but it can sporadically p...
Abstract The ongoing oceanic oxygen loss will have a profound impact on the distribution and density of life Earth. However, drivers initiation termination global deoxygenation are poorly understood. Here we present thallium isotope record that reveals three rapid (50 k.y.) intervals during mid-Cretaceous postdate massive volcanism by at least 1 m.y. New strontium data reveal gradually enhanced...
The oldest-known air-breathing land animal is the millipede Pneumodesmus newmani, found in the Cowie Harbour Fish Bed at Stonehaven, Scotland. Here we report the youngest, most concordant 238U-206Pb zircon age from ash below the fish bed of 413.7±4.4 Ma (±2σ), whereas the youngest age from a tuffaceous sandstone above the fish bed is statistically indistinguishable at 414.3±7.1 Ma. The Cowie Ha...
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