Results 51 to 60 of about 807,468 (201)

Le limonène dans les huiles essentielles  : énantiomères et activités biologiques

Comptes Rendus. Chimie
Literature data are used to identify the enantiomeric diversity of limonene in 54 essential oils composed of between 0.3–99.7% of this molecule. Significant enantiomeric excesses are observed, either in (R)-(+)-, or in (S)-(–)-limonene, and more rarely ...
Aribi-Zouioueche, Louisa
doaj   +1 more source

Influence of friction coefficient asymmetry on vibration and stability of rolling mills during hot rolling

工程科学学报, 2019
The modern rolling industry has improved product quality, and the technical requirements of high accuracy and high dynamic performance have made the issue of rolling mill vibration more prominent.
Jin-lei HUANG, Yong ZANG, Zhi-ying GAO
doaj   +1 more source

Asymmetric Stretching - Carbon Dioxide

, 2011
Asymmetric Stretching - Carbon Dioxide - Using Powerpoint as an ...
LSN, Q Projects, Tyne Metropolitan College   +2 more
core  

An Eight-Step Continuous-Flow Total Synthesis of Vitamin B1

Engineering
Vitamin B1 is widely applied in the healthcare and food industry as an antineuritic and antioxidant to maintain the normal functioning of nerve conduction, the heart, and the gastrointestinal tract.
Meifen Jiang, Minjie Liu, Weijian Li, Yingqi Xia, Fen-Er Chen   +4 more
doaj   +1 more source

Parametric study of a novel asymmetric micro-gripper mechanism

Journal of Advanced Mechanical Design, Systems, and Manufacturing, 2015
Aiming at the requirements of micro-assembly for the microtubule (diameter of 0-200μm) components, a new type of asymmetric flexible micro-gripper mechanism based on flexure hinges was designed and studied.
Qingsong XING, Youhua GE
doaj   +1 more source

An Asymmetric Catalyst.

Nippon kagaku zassi, 1956
ASYMMETRIC synthesis has hitherto succeeded only by using reagents or solvents having the asymmetric configuration.
S. AKABORI, S. SAKURAI, Y. IZUMI, Y. FUJII   +3 more
openaire   +2 more sources

Optimal prediction under asymmetric loss [PDF]

Prediction problems involving asymmetric loss functions arise routinely in many fields, yet the theory of optimal prediction under asymmetric loss is not well developed.
Francis X. Diebold, Peter F. Christoffersen   +1 more
core  

Tuning the properties of coumarin-based small molecule donors via strong acceptor substitution for advanced donor/PCBM organic solar cells

Scientific African
In this study, we designed and evaluated high-efficiency coumarin-based small-molecule donors for organic solar cells (OSCs) using density functional theory (DFT) calculations to address the challenge of improving charge transfer and photovoltaic ...
Walid Taouali, Mourad Chemek, Kamel Alimi   +2 more
doaj   +1 more source

Carbohydrate-Based Hydrogels: Weaving Nature’s Versatility into Biomedical Innovation

International Journal of Nanomedicine
Camilla Maria Cova, Alessio Zuliani, Noureddine Khiar Asymmetric Synthesis and Nanosystems Group (Art&Fun), Institute for Chemical Research (IIQ), CSIC-University of Seville, Seville, 41092, SpainCorrespondence: Noureddine Khiar, Asymmetric Synthesis
Cova CM, Zuliani A, Khiar N
doaj  

Evaluation of the Heat Transfer Performance of a Device Utilizing an Asymmetric Pulsating Heat Pipe Structure Based on Global and Local Analysis

Energies
PHPs (pulsating heat pipes) are widely used as an efficient heat transfer element in equipment thermal management and waste heat recovery due to their flexibility. The purpose of this study was to design a heat transfer device that utilizes an asymmetric
Dong Liu, Jianhong Liu, Kai Yang, Fumin Shang, Chaofan Zheng, Xin Cao   +5 more
doaj   +1 more source