نتایج جستجو برای: near infrared

تعداد نتایج: 330839  

Journal: :Proceedings of the National Academy of Sciences of the United States of America 1993
M Devlin D Alsop A Clapp D Cottingham M Fischer J Gundersen W Holmes A Lange P Lubin P Meinhold P Richards G Smoot

Preliminary results from the June 1991 flight of MAX are presented. Simultaneous observations were made in bands centered at 6, 9, and 12 cm-1 with a bolometric receiver operating at 300 mK. The experimental sensitivities are the highest reported at angular scales of 0.3 degrees to 1.0 degrees. Interstellar dust is observed to have an emissivity [symbol, see text] nu 1.4+/-0.3 and to correlate ...

Journal: :Chemical communications 2015
Dongdong Su Chai Lean Teoh Animesh Samanta Nam-Young Kang Sung-Jin Park Young-Tae Chang

A novel zwitterionic near-infrared (NIR) dye, ZWCC, has been designed and synthesized. It shows significantly enhanced photostability and chemical stability compared to the existing zwitterionic NIR dye. In addition, the feasibility of labeling ZWCC with biological ligands was investigated and used in live cell imaging applications.

Journal: :Physical review letters 2007
Tung-Lam Dao Antoine Georges Jean Dalibard Christophe Salomon Iacopo Carusotto

We propose a Raman spectroscopy technique which is able to probe the one-particle Green function, the Fermi surface, and the quasiparticles of a gas of strongly interacting ultracold atoms. We give quantitative examples of experimentally accessible spectra. The efficiency of the method is validated by means of simulated images for the case of a usual Fermi liquid as well as for more exotic stat...

Journal: :Neurophotonics 2017
Fabian Herold Patrick Wiegel Felix Scholkmann Angelina Thiers Dennis Hamacher Lutz Schega

Safe locomotion is a crucial aspect of human daily living that requires well-functioning motor control processes. The human neuromotor control of daily activities such as walking relies on the complex interaction of subcortical and cortical areas. Technical developments in neuroimaging systems allow the quantification of cortical activation during the execution of motor tasks. Functional near-i...

Journal: :Methods in molecular biology 2013
Johanna Wetterlind Bo Stenberg Raphael A Viscarra Rossel

Visible-near infrared diffuse reflectance (vis-NIR) spectroscopy is a fast, nondestructive technique well suited for analyses of some of the essential constituents of the soil. These constituents, mainly clay minerals, organic matter and soil water strongly affect conditions for plant growth and influence plant nutrition. Here we describe the process by which vis-NIR spectroscopy can be used to...

2003
Stefano Cristiani

This document provides a discussion of the basic calibration needs and calibration time consumption for the Near Infrared Spectrograph (NIRSpec) on JWST. The current version assumes that slits for multi object spectroscopy will be formed via a microelectromechanical system and that NIRSpec will carry internal continuum and line lamps.

2014
Biqin Dong Qiwen Qiu Jiaqi Xiang Canjie Huang Feng Xing Ningxu Han

A new electrochemical model has been carefully established to explain the carbonation behavior of cement mortar, and the model has been validated by the experimental results. In fact, it is shown by this study that the electrochemical impedance behavior of mortars varies in the process of carbonation. With the cement/sand ratio reduced, the carbonation rate reveals more remarkable. The carbonat...

2007
D. Bastianelli

Added organic materials [1], composts and organic fertilisers are involved in building soil organic matter. They are a factor in soil property improvement, and can represent an important source of nutrients for both plants and soil organisms. Even a century ago [2], the composition of added organic materials was thought to have a direct influence on organic matter transformation. Intense work i...

Journal: :Physical chemistry chemical physics : PCCP 2012
Angelo Monguzzi Riccardo Tubino Sajjad Hoseinkhani Marcello Campione Francesco Meinardi

In the last few years, non-coherent sensitized photon up-conversion (SUC) in multi-component systems has been developed to achieve significantly high quantum yields for various chromophore combinations at low excitation powers, spanning from the ultraviolet (UV) to near infrared (NIR) spectrum. This promising photon energy management technique became indeed suitable for wide applications in lig...

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