Results 171 to 180 of about 5,913,040 (363)

Density Functional Theory–Spectroscopy Integrated Identification Method Encompassing Experimental and Theoretical Analyses for Designer Drug Stimulants

open access: yesAdvanced Intelligent Systems, EarlyView.
A novel approach integrates gas chromatography‐mass spectrometry with infrared, Raman, and nuclear magnetic resonance spectroscopy plus density functional theory to detect synthetic drugs. Quantum hyperpolarization further boosts NMR sensitivity for low‐concentration samples, improving detection accuracy in complex mixtures and offering promising ...
Keunhong Jeong   +8 more
wiley   +1 more source

Realisasi Tindak Kesantunan Berbahasa Di Kalangan Tenaga Kependidikan Di SMP Negeri 1 Teras Dan SMA Bhineka Karya 3 Boyolali [PDF]

open access: yes, 2014
This study describe about the acts of politeness forms of realization and fulfillment of follow politeness and students' perception of politeness among educators of SMP Negeri 1 Teras and SMA Bhineka Karya 3.
, Prof. Dr. Harun, S.H., M.Hum   +1 more
core  

Precise Real‐Time Measurement of Liquid Viscosity Using Digital Video Data

open access: yesAdvanced Intelligent Systems, EarlyView.
Frame‐by‐frame image similarity analysis is employed to obtain the viscosity of moving liquids in real time. The method allows for online implementation even in harsh environments, replacing complex and invasive experiments. Quantitative knowledge of liquid viscosity is of fundamental importance in many areas of materials synthesis and processing ...
Zhiwen Pan   +7 more
wiley   +1 more source

Exploiting Multitask Deep Learning to Identify Multiple Heavy Metal Contamination at Large Scales

open access: yesAdvanced Intelligent Systems, EarlyView.
A multitask deep learning framework evaluates manganese, chromium, and cobalt concentrations in European soils, achieving an average R2 of 0.75. From 2009 to 2015, soil concentrations increase significantly. Source analysis identifies anthropogenic manganese and geological chromium and cobalt origins.
Tao Hu   +6 more
wiley   +1 more source

Politeness Maxims Used by the Host of “Bukan Empat Mata” Talk Show in the Commentator Episode [PDF]

open access: yes, 2014
Key words: politeness maxims, violation of politeness maxims, talk show, Bukan Empat Mata Communication is essential for life. In conducting a communication, people are always required to express a politeness.
WARDHANA, R. A. (RANDY)
core  

Addressing Anemia in High‐Altitude Populations: Global Impact, Prevalence, Challenges, and Potential Solutions

open access: yesAmerican Journal of Hematology, EarlyView.
Key challenges in diagnosing anemia in high‐altitude populations include variability in hemoglobin (Hb) concentration, associated pathological conditions, altitude‐induced plasma volume changes, and environmental factors such as contamination and nutrition.
Ayoub Boulares   +11 more
wiley   +1 more source

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