نتایج جستجو برای: blanquet combined abundance

تعداد نتایج: 453737  

Journal: :Geophysical Research Letters 2022

The growth of lunar regolith over time affects surface rock abundance, because larger, less frequent impacts are needed to penetrate thicker developed on older surfaces and excavate rocks. On younger with thinner regolith, smaller, more sufficient We quantify the correlation between observed abundances age by comparing Diviner abundance data ages intercrater parts maria. Our observations show e...

2008
Simon C. Schuler Katia Cunha Verne V. Smith Thirupathi Sivarani Timothy C. Beers

The abundances of Fe, C, N, and Ba have been derived for the Carbon-Enhanced Metal-Poor star HE 1305+0132. The C and N abundances are typical of CEMP stars. The Ba abundance, derived for the first time for HE 1305+0132, is found to be enhanced relative to Fe, placing this star in the CEMP-s group. Combined with a previously derived highly enhanced abundance of F, the chemical composition of HE ...

2005
Martin Lemoine Gilbert Moultaka Karsten Jedamzik

It is shown that gravitinos with mass m3/2 ∼ 0.1−1MeV may provide suitable cold dark matter candidates in scenarios of gauge mediated supersymmetry breaking (GMSB) under SO(10) grand unification coupled to supergravity, which accommodate a messenger sector of mass scaleMX ∼ 10GeV. This is due to the combined effects of renormalizable loop-suppressed operators and generic non-renormalizable ones...

2017
Xun Liu Daji Wu Gebreab K Zewdie Lakitha Wijerante Christopher I Timms Alexander Riley Estelle Levetin David J Lary

This article describes an example of using machine learning to estimate the abundance of airborne Ambrosia pollen for Tulsa, OK. Twenty-seven years of historical pollen observations were used. These pollen observations were combined with machine learning and a very complete meteorological and land surface context of 85 variables to estimate the daily Ambrosia abundance. The machine learning alg...

2016
Wei Liu Junling Zhang Stuart L. Norris Philip J. Murray

In order to determine the interactive effect of reseeding, herbicide spraying and ploughing on soil fauna communities, we conducted a grassland reseeding experiment combined with pre-reseed management to examine how with the whole reseeding process affects soil faunal composition. Sampling occasions and exact treatments were as follows: (1) before chemical herbicide spray; (2) after spray but b...

2016
Zhao Liu Songhua Fan Haipeng Liu Jia Yu Rui Qiao Mi Zhou Yongtao Yang Jian Zhou Peng Xie

The enormous depth complexity of the human plasma proteome poses a significant challenge for current mass spectrometry-based proteomic technologies in terms of detecting low-level proteins in plasma, which is essential for successful biomarker discovery efforts. Typically, a single-step analytical approach cannot reduce this intrinsic complexity. Current simplex immunodepletion techniques offer...

Journal: :Tree physiology 1996
J A Panek

Stomatal conductance in trees is related to both foliar carbon-isotope abundance and stem hydraulic properties. By combining these relationships, I hypothesized that carbon-isotope abundance in foliage should vary with limitations to water movement through supporting branches. I sampled Douglas-fir branches (Pseudotsuga menziesii (Mirb.) Franco) from six sites across a climate gradient in Orego...

Journal: :Gastroenterology research and practice 2016
Ping Yao Min Cui Haikun Wang Hongliang Gao Lei Wang Tao Yang Yongbo Cheng

Aim. To study the correlation between intestinal flora and ulcerative colitis by analyzing the abundance of Bacteroides, Fusobacterium, Clostridium, Bifidobacterium spp., and Faecalibacterium prausnitzii in the intestinal of ulcerative colitis (UC) patients and healthy controls with Uygur and Han ethnic. Methods. Bacterial genomic DNA was extracted from fecal samples and analyzed with real-time...

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