Results 191 to 200 of about 2,501,315 (276)

Spatiotemporal imaging analysis of mesoscale mass transfer performance of an FCC catalyst. [PDF]

RSC Adv
Yu L, Wei P, Zhang L, Zheng Y, Guan H, Wang H, Qin Y, Song L, Gao X, Li S.   +9 more
europepmc   +1 more source

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Quantitative Analysis of Science and Chemistry Textbooks for Indicators of Reform: A complementary perspective

International Journal of Science Education, 2009
In this study, multiple thematically based and quantitative analysis procedures were utilized to explore the effectiveness of Turkish chemistry and science textbooks in terms of their reflection of reform. The themes gender equity, questioning level, science vocabulary load, and readability level provided the conceptual framework for the analyses.
Ajda Kahveci
openaire   +4 more sources

Quantitative analysis in pharmacy and pharmaceutical chemistry by nuclear magnetic resonance spectroscopy

Talanta, 1970
The applications of n.m.r. to the quantitative analysis of pharmaceutical formulations and products of interest to the pharmacist and pharmaceutical analyst are reviewed. Special attention is paid to the accuracy of the method, the coefficients of variation being quoted (or calculated from data in the original paper) where possible.
D. Rackham
openaire   +4 more sources

Deep Learning-Based Sensor Array: 3D Fluorescence Spectra of Gold Nanoclusters for Qualitative and Quantitative Analysis of Vitamin B6 Derivatives.

Analytical Chemistry, 2022
Vitamin B6 derivatives (VB6Ds) are of great importance for all living organisms to complete their physiological processes. However, their excess in the body can cause serious problems.
H. A. Noreldeen, Kaiyuan Huang, Gang-Wei Wu, Huaping Peng, Haohua Deng, Wei Chen   +5 more
semanticscholar   +1 more source

Green Analytical Chemistry Experiment: Quantitative Analysis of Iron in Supplement Tablets with Vis spectrophotometry Using Tea Extract as a Chromogenic Agent

Journal of Chemical Education, 2020
A green chemistry experiment is presented for teaching an undergraduate quantitative analysis/analytical chemistry laboratory class through the use of black tea leaf extract for the determination o...
S. Lapanantnoppakhun, Urai Tengjaroensakul, P. Mungkornasawakul, Chanida Puangpila, Sila Kittiwachana, Jeeraphithak Saengtempiam, S. K. Hartwell   +6 more
semanticscholar   +1 more source

Comparative evaluation and quantitative analysis of loop-mediated isothermal amplification indicators.

Analytical Chemistry, 2020
Loop mediated isothermal amplification (LAMP) as a diagnostic tool is rapidly gaining recognition and maturity. Among various advantages over traditional PCR, the ability to visually detect amplification by the incorporation of colorimetric indicators is
Anchi T. Scott, Tiffany R. Layne, Killian C. O'Connell, N. Tanner, J. Landers   +4 more
semanticscholar   +1 more source

Integrating Authentic Research Experiences into the Quantitative Analysis Chemistry Laboratory Course: STEM Majors’ Self-Reported Perceptions and Experiences

Journal of Chemical Education, 2019
Integrating authentic research-based experiences that mimic real-world scientific practices and relevance to student personal life into a chemistry curriculum can make abstract chemical principles more palpable to students.
Jacinta M. Mutambuki, H. Fynewever, Kevin Douglass, William W. Cobern, S. Obare   +4 more
semanticscholar   +1 more source

NCIPLOT4: fast, robust and quantitative analysis of noncovalent interactions.

Journal of Chemical Theory and Computation, 2020
The NonCovalent Interaction index (NCI) enables to identify attractive and repulsive noncovalent interactions from promolecular densities in a fast manner. However, the approach remained up to now qualitative, only providing visual information.
R. Á. Boto, Francesca Peccati, Rubén Laplaza, Chaoyu Quan, A. Carbone, Jean‐Philip Piquemal, Y. Maday, J. Contreras‐García   +7 more
semanticscholar   +1 more source