搜索结果: 1-15 共查到“化学 Study”相关记录118条 . 查询时间(0.353 秒)
Hereon study shows that microplastics can serve as a transport vehicle for metals in the environment
microplastics metal Organic pollutant
<
2021/8/10
The fact that microplastics can accumulate organic pollutants from the environment and transport them has been known for some time. What is new, however, is that metals can also be transported in this...
STUDY ON THE SPECTRAL MIXING MODEL FOR MINERAL PIGMENTS BASED ON DERIVATIVE OF RATIO SPECTROSCOPY-TAKE VERMILION AND STONE YELLOW FOR EXAMPLE
Chinese Historical Paintings, Mineral Pigments, Spectral Mixing Model, Derivative of Ratio Spectroscopy, Quantitative Analysis
<
2018/5/16
Hyperspectral remote sensing is a completely non-invasive technology for measurement of cultural relics, and has been successfully applied in identification and analysis of pigments of Chinese histori...
A NEW MULTI-SPECTRAL THRESHOLD NORMALIZED DIFFERENCE WATER INDEX (MST-NDWI) WATER EXTRACTION METHOD – A CASE STUDY IN YANHE WATERSHED
Water Extraction MST-NDWI Small Linear River Remote Sensing Yanhe Watershed
<
2018/5/17
Accurate remote sensing water extraction is one of the primary tasks of watershed ecological environment study. Since the Yanhe water system has typical characteristics of a small water volume and nar...
Study of Interactions between Relevant Organic Acids and Aluminium in Model Solutions Using HPLC and IC
aluminium speciation citric acid
<
2015/7/28
Department of Soil Science and Soil Protection, Faculty of Agrobiology, Food and Natural
Resources, Czech University of Life Sciences Prague,ments were carried out at low pH (1.5–3.1). The results o...
CoMFA Study of Chiral Catalysts
Chiral Catalysts
<
2015/1/9
A QSAR using Comparative Molecular Field Analysis (CoMFA) is developed for a set of 23 catalysts containing bis-oxazoline or phosphino-oxazoline ligands that are known to induce asymmetry during the D...
THE DISCOVERY AND STUDY OF FLUVIRUCIN B1 POLYKETIDE SYNTHASE
Polyketide synthase genomic PCR
<
2014/11/20
Rapidly decreasing numbers of viable therapeutic leads in the pharmaceutical pipeline demand new, sustainable methods for improved drug discovery and development. Despite vast improvements in de novo ...
Multiscale QM/MM Molecular Dynamics Study on the First Steps of Guanine-Damage by Free Hydroxyl Radicals in Solution
Multiscale QM/MM Molecular Dynamics Study First Steps Guanine-Damage Free Hydroxyl Radicals Solution
<
2012/2/29
Understanding the damage of DNA bases from hydrogen abstraction by free OH radicals is of particular importance to reveal the effect of hydroxyl radicals produced by the secondary effect of radiation....
Pairing in graphene: A quantum Monte Carlo study
Pairing in graphene A quantum Monte Carlo study
<
2014/5/28
To address the issue of electron correlation driven superconductivity in graphene, we perform a systematic quantum Monte Carlo study of the pairing correlation in the t -U-V Hubbard model on a honeyco...
Time-sliced Velocity Map Imaging Study on Photodissociation of Neopentyl Bromide and Tert-pentyl Bromide at 234 nm
Velocity map imaging Photodissociation dynamics Neopentyl bromide Tert-pentyl bromide
<
2012/4/5
We present a first velocity map imaging study on the 234 nm photodissociation dynamics of two carbon-chain branched alkyl bromides, neopentyl bromide (denoted as NPB) and tert-pentyl bromide (denoted ...
Theoretical Study on Raman Spectra of Aqueous Peroxynitric Acid
Aqueous peroxynitric acid Raman Theoretical study
<
2012/4/5
Using density functional theory and polarizable continuum models, we study the Raman spectra of aqueous peroxynitric acid. The calculated results indicate that the solvent effect has significant influ...
Simulated Annealing Study on Structures and Energetics of CO2 in Argon Clusters
Molecular structure van der Waals cluster Simulated annealing algorithm
<
2012/4/5
The minimum-energy configurations and energetic properties of the ArN-CO2 (N=1-19) van der Waals clusters were investigated by a simulated annealing algorithm. A newly de-veloped Ar-CO2 potential ener...
High Resolution Crossed Molecular Beams Study on the F+HD→DF+H Reaction at Collision Energy of 8.19-18.98 kJ/mol
F+HD→DF+H Crossed molecular beam Rydberg tagging
<
2012/4/5
The crossed beams scattering dynamics of the F+HD→DF+H reaction have been studied at collision energies ranging from 8.19 kJ/mol to 18.98 kJ/mol using the high resolution H-atom Rydberg tagging time-o...
All-atom Molecular Dynamics Simulationsand NMR Spectroscopy Study on Interactions and Structures in N-Glycylglycine Aqueous Solution
All-atom simulation Temperature-dependent NMR N-glycylglycine aqueous solution Hydrogen bond
<
2012/4/5
All-atom molecular dynamics (MD) simulation and the NMR spectra are used to investi-gate the interactions in N-glycylglycine aqueous solution. Different types of atoms exhibit different capability in ...
High Resolution Crossed Molecular Beams Study on the F+HD→HF+D Reaction at Collision Energy of 5.43?18.73 kJ/mol
F+HD→HF+D Crossed molecular beam Rydberg tagging Reactive reso-nance
<
2012/4/5
The dynamics of F+HD→HF+D reaction has been studied at ten collision energies rang-ing from 5.43 kJ/mol to 18.73 kJ/mol using high-resolution H/D atom Rydberg tagging time-of-flight method. Product vi...
First Principles Study of the Electronic and Magnetic Properties of Ce Doped SrMnO3
Colossal magnetoresistance Electronic structure First principles Perovskite
<
2012/4/5
The electronic and magnetic properties of Ce doped SrMnO3 have been investigated us-ing the pseudo-potential plane wave method within the generalized gradient approximation method by first principles....