Results 71 to 80 of about 1,608 (183)
The potential of artificial intelligence in clinical trials
European Journal of Clinical Investigation, Volume 56, Issue 3, March 2026.Artificial intelligence has the potential to transform many areas of clinical trials. Abstract Background Clinical trials are an important part of evidence generation in medicine but remain burdened by escalating costs, inefficiencies and manual processes.
Rahul Aggarwal, Deepak L. Bhatt
wiley +1 more source
Surface Modification and Structural Characterization of Tourmaline Powder by KH-171
Kuangchan zonghe liyongThis is an article in the field of mineral materials. The tourmaline powder was modified with silane coupling agent KH-171, and the process conditions were optimized with the parameters of contact angle and turbidity of the modified product in liquid ...
Kui CUI +5 more
doaj +1 more source
The behavior of major and trace elements of the tourmaline from the Mangavai and Ganjnameh pegmatitic rocks (Hamadan area) [PDF]
پترولوژی, 2016 The Mangavai and Ganjnameh pegmatitic rocks are part of the Alvand granitoid pluton in the Sanandaj-Sirjan zone. The composition of tourmaline in Mangavi is Schorl and that of the Ganjnameh lies in the Schorl- foitite fields.
Ahmad Ahmadi khalaji +3 more
doaj
Записки Горного институтаIn the Severny pluton in Chukotka, an association of rare-metal, tin-bearing topaz-zinnwaldite greisens (zwitters) and tourmaline metasomatites has been identified through geological mapping and mineralogical-petrographic studies.
Viktor I. Alekseev +2 more
doaj
Tourmaline and Rutile as Indicators of a Magmatic-hydrothermal Origin for Tourmalinite Layers in the São José do Barreiro Area, NE Ribeira Belt, Southern Brazil [PDF]
Geologia USP. Série Científica, 2010 Tourmalines from tourmaline-rich layers intercalated with schists of the Rio Una Unit of the Embu Complex and fromcoarse-grained tourmalinite layers associated with quartzite from São José do Barreiro and Formoso (Central Ribeira Belt,São Paulo State ...
Gianna Maria Garda +3 more
doaj
Yankuang ceshi, 2017 Tourmaline is a boron-containing aluminosilicate mineral, which is an important non-metallic mineral resource, and an indicator for rock-forming and ore-forming processes.
CHENG Xue-hai +4 more
doaj +1 more source
Journal of Spectroscopy, 2018 In order to better understand the effect of transition metal cations on color of tourmaline, X-ray photoelectron spectroscopy was used to investigate the species, chemical state, site occupancy, and chemical environment of color-induced metal cations in ...
Ming Li +5 more
doaj +1 more source
Chemical Composition of the Tourmaline from Stratiform Tourmalinites of the Passagem de Mariana Gold Mine, Southeastern Quadrilátero Ferrífero (Minas Gerais, Brazil) [PDF]
Geologia USP. Série Científica, 2009 The Passagem de Mariana Mine in the southeastern part of the Quadrilátero Ferrífero, Minas Gerais, Brazil, is one ofthe oldest Brazilian gold mines. Gold is associated with stratiform tourmalinites and tourmaline-bearing quartz and carbonateveins and ...
Gianna Maria Garda +5 more
doaj
Results in Earth SciencesElectron microprobe analyses of garnet and tourmaline heavy minerals and paleocurrents were carried out in the three rift-related Campanian-Maastrichtian sedimentary formations of the Anambra Basin, Nigeria.
Azuka Ocheli, Joseph Ifeanyi Uche
doaj +1 more source