Results 111 to 120 of about 1,392,562 (335)

Probabilistic analysis of crack widths associated with quality control procedures

Structural Concrete, EarlyView.
Abstract Existing concrete specifications limit the crack width in order to fulfill the limits of serviceability and durability. The crack width calculation results differ depending on the influences of the variability of the used materials, the geometry, the actions and the uncertainty of the used calculation model itself.
Elisabeth Stierschneider, Emanuel Strieder, Raimund Hilber, Alfred Strauss, Konrad Bergmeister   +4 more
wiley   +1 more source

Mineralogy and geochemistry of the Cambrain Shuijingtuo Formation black shales from Western Hubei, China: implications on enrichment of critical metals and paleoenvironment

Frontiers in Marine Science
Black shales have attracted the attention of numerous researchers not only due to their high potential as hydrocarbon source rocks and shale gas reservoirs, but also to the enrichment of critical metal elements in black shale series.
Yuan Wang, Jing Li, Yang Lin, Xinguo Zhuang, Vanlong Hoang, Peng Wu, Xin Luo, Han Zhang, Xiaoyang Zhang   +8 more
doaj   +1 more source

AGES OF THE ONSET OF MARLY SEDIMENTATION AND OF THE BLACK SHALES IN THE TUSCAN BASIN (NORTHERN APENNINES, ITALY)

Rivista Italiana di Paleontologia e Stratigrafia, 2008
In this paper is for the first time dated the inception of the Lower Jurassic marly sedimentation and the lower Toarcian black shales in the Tuscan Nappe, based on semiquantitative analysis of the calcareous nannofossils recovered from the Calcare ...
NICOLA PERILLI, VIVIANA REALE, LUIZ CARLOS VEIGA DE OLIVEIRA   +2 more
doaj   +1 more source

Petroleum generation and migration in the Cambro-Ordovician Laurentian margin succession of NW Scotland [PDF]

, 2017
NERC are thanked for continued funding of the Argon Isotope Facility, which is housed at SUERC. We are grateful to B. Fulton, J. Johnston and C. Taylor for skilled technical help. DM was in receipt of a NERC PhD studentship. A.G. Leslie and H.
Bowden, Stephen, Mark, Darren, Parnell, John   +2 more
core   +4 more sources

Application of low‐emission cement CEM II/C in concrete made with low‐effort processed recycled aggregates

Structural Concrete, EarlyView.
Abstract The present study investigates the applicability of recycled concrete aggregates (RCA) for use in structural concrete made with low‐emission cement CEM II/C‐M (global warming potential of 377 kg CO2,eqv.). The aim is to show the potential of RCA processed with minimal energy, water, and economic expenditure.
Johannes Hron, Oliver Zeman, Pascal Troll, Hannah Pohl, Thomas Pichler, Konrad Bergmeister, Klaus Voit   +6 more
wiley   +1 more source

Composition and structure of upper Jurassic black shales from the Moscow region considering new data

Известия высших учебных заведений: Геология и разведка, 2016
For the first time the sections of the southeast of Moscow and adjacent areas of the Moscow region, which contain the Lower Volgian and Oxfordian black shales, were studied in detail and described.
S. Yu. Malenkina
doaj   +2 more sources

Application of low pressure gas adsorption to the characterization of pore size distribution of shales: An example from Southeastern Chongqing area, China

Journal of Natural Gas Geoscience, 2016
Pore size distribution is vital in the preservation and exploitation of shale gas; the pores in shales are mainly of nanometer scale. This study focuses on the pore structures of the Upper Ordovician-Lower Silurian black shales that were sampled from the
Tengfei Li, Hui Tian, Ji Chen, Lijun Cheng   +3 more
doaj   +1 more source

Depositional environment of shales and enrichment of organic matters of the Lower Cambrian Niutitang Formation in the Upper Yangtze Region

Natural Gas Industry B, 2021
The Niutitang Formation in the Upper Yangtze Region comprises a set of the Early Cambrian black shales containing abundant organic matter. We investigated the relationship between the depositional environment and organic matter enrichment based on core ...
Xue Yang, Yue Lei, Jinchuan Zhang, Shijing Chen, Liqing Chen, Kesu Zhong, Liang He, Dingyuan Li, Qiuzi Wu   +8 more
doaj  

Origin and Enrichment of Vanadium in the Lower Cambrian Black Shales, South China. [PDF]

ACS Omega, 2021
Wu T, Yang R, Gao L, Li J, Gao J.
europepmc   +1 more source

Discretization of small‐scale, stratigraphic heterogeneities and its impact on the seismic response: Lessons from the application of process‐based modelling

Geophysical Prospecting, EarlyView.
Abstract Reducing the uncertainty of reservoir characterization requires to better identify the small‐scale structures of the subsurface from the available data. Studying the seismic response of meter‐scale, stratigraphic heterogeneities typically relies on the generation of reservoir models based on outcrop examples and their forward seismic modelling.
Andrea Cuesta Cano, Azin Karimzadanzabi, Joep Elisabeth Anton Storms, Guillaume Rongier, Dirk Jacob Verschuur, Allard Willem Martinius   +5 more
wiley   +1 more source