Results 31 to 40 of about 7,644,829 (380)

Revealing three-dimensional structure of individual colloidal crystal grain by coherent x-ray diffractive imaging [PDF]

open access: yes, 2016
We present results of a coherent x-ray diffractive imaging experiment performed on a single colloidal crystal grain. The full three-dimensional (3D) reciprocal space map measured by an azimuthal rotational scan contained several orders of Bragg ...
Dronyak, R.   +16 more
core   +3 more sources

Potensi Ekstrak Kulit Buah Manggis sebagai Inhibitor Korosi Baja Karbon dalam Larutan NaCl 1% Jenuh Karbon Dioksida

open access: yesΑl-Kimiya: Jurnal Ilmu Kimia dan Terapan, 2019
Pemanfaatan limbah bahan alam sebagai inhibitor korosi belum banyak dilaporkan. Diantaranya adalah kulit buah manggis (Garcinia mangostana L.) yang dalam bentuk ekstraknya mengandung senyawa golongan flavonoid, alkaloid, dan tanin.
Tety Sudiarti   +2 more
doaj   +1 more source

Physical Chemistry in France [PDF]

open access: yesChemPhysChem, 2017
Physical chemistry, as a subfield of chemistry, is a discipline with its own set of problems and techniques. But it is also a source of basic theories, and a provider of experimental methods for chemical sciences. Since the eighteenth century, with some precursors in the seventeenth century, pioneer work by French scientists, particularly in the field ...
Ingrosso, Francesca   +2 more
openaire   +4 more sources

Natural Language Processing Models That Automate Programming Will Transform Chemistry Research and Teaching [PDF]

open access: yesDigital Discovery, 2022,1, 79-83, 2021
Natural language processing models have emerged that can generate usable software and automate a number of programming tasks with high fidelity. These tools have yet to have an impact on the chemistry community. Yet, our initial testing demonstrates that this form of Artificial Intelligence is poised to transform chemistry and chemical engineering ...
arxiv   +1 more source

The Unified Scale of Natural Waters

open access: yesGeoresursy, 2018
The article presents a continual scale of natural waters based on the characteristics of a vector, constructed on the superimposed cationic and anionic Gibbs triangles.
V.F. Nikolaev   +5 more
doaj   +1 more source

Cyanidin-3-O-glucoside: Physical-Chemistry, Foodomics and Health Effects. [PDF]

open access: yesMolecules, 2016
Anthocyanins (ACNs) are plant secondary metabolites from the flavonoid family. Red to blue fruits are major dietary sources of ACNs (up to 1 g/100 g FW), being cyanidin-3-O-glucoside (Cy3G) one of the most widely distributed.
Olivas-Aguirre FJ   +9 more
europepmc   +2 more sources

Perspective: Essentials of Relativistic Quantum Chemistry [PDF]

open access: yesThe Journal of Chemical Physics 2020, 2020
Relativistic quantum chemistry has evolved into a fertile and large field and is now becoming an integrated part of mainstream chemistry. Yet, given the much-involved physics and mathematics (as compared with nonrelativistic quantum chemistry), it is still necessary to clean up the essentials underlying the relativistic electronic structure theories ...
arxiv   +1 more source

Estimating numerical errors due to operator splitting in global atmospheric chemistry models: Transport and chemistry [PDF]

open access: yesJournal of Computational Physics, 2015, 2015
We present upper bounds for the numerical errors introduced when using operator splitting methods to integrate transport and non-linear chemistry processes in global chemical transport models (CTM). We show that (a) operator splitting strategies that evaluate the stiff non-linear chemistry operator at the end of the time step are more accurate, and (b)
arxiv   +1 more source

Mesoporous Silica and Organosilica Nanoparticles: Physical Chemistry, Biosafety, Delivery Strategies, and Biomedical Applications

open access: yesAdvanced Healthcare Materials, 2018
Predetermining the physico‐chemical properties, biosafety, and stimuli‐responsiveness of nanomaterials in biological environments is essential for safe and effective biomedical applications.
Jonas G. Croissant   +3 more
semanticscholar   +1 more source

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