نتایج جستجو برای: microcrystalline

تعداد نتایج: 2125  

Journal: :Le Journal de Physique Colloques 1974

Journal: :Chemical communications 2015
Ming Li Baozhan Zheng Daibing Luo Huiqin Sun Ning Wang Yan Huang Jun Dai Dan Xiao Shi-Jian Su Zhiyun Lu

Small molecular neutral Ir(III) complexes have been demonstrated to be promising self-inclusive microcrystalline thin-film oxygen sensors with relatively high sensitivity (Ksv = 6.41), good stability, and linear Stern-Volmer behavior (R(2) = 0.9979).

Journal: :Chemical communications 2010
Markus Weingarth Piotr Tekely Rafael Brüschweiler Geoffrey Bodenhausen

Gaining time, resolution and sensitivity at the same time: covariance processing of two-dimensional NMR spectra of microcrystalline proteins improves spectral quality over conventional Fourier transformation despite a significant reduction of the experimental time.

2004
J. Bailat E. Vallat-Sauvain A. Vallat A. Shah

The qualitative description of the major microstructure characteristics of microcrystalline silicon is achieved through a threedimensional discrete dynamical growth model. The model is based on three fundamental processes that determine surface morphology: (1) random deposition of particles, (2) local relaxation and (3) desorption. In this model, the incoming particle reaching the growing surfa...

2003
J. Meier

LP-CVD ZnO has been developed at IMT as front TCO for amorphous silicon p-i-n single-junction and “micromorph” (microcrystalline/amorphous silicon) tandem solar cells. In comparison with SnO2 (Asahi type U), ZnO demonstrates superior light-trapping behaviour. Applying the monolithic series connection by laser-scribing, both for amorphous single-junction and micromorph tandem cells, modules have...

Journal: :Reumatismo 2012
P Marson G Pasero

The history of microcrystalline arthritis only began in 1961 when Daniel McCarty and Joseph Lee Hollander demonstrated the presence of sodium monourate crystals in the synovial fluid of gouty patients. However, gout is a historical disease, thanks to the descriptions of Hippocrates, Caelius Aurelianus, Soranus of Ephesus and Araeteus of Cappadocia. The relationship between hyperuricemia and gou...

2003
J. Meier J. Spitznagel U. Kroll C. Bucher S. Faÿ T. Moriarty A. Shah

LP-CVD ZnO has been developed at IMT as front TCO for a-Si:H p-i-n single-junction and “micromorph” (microcrystalline/amorphous silicon) tandem solar cells. An amorphous silicon single-junction p-i-n cell (~1 cm) with a stabilized efficiency of 9.47 % has independently been confirmed by NREL. Applying the monolithic series connection by laser-scribing, both for amorphous single-junction and mic...

2002
X. Liao

Hydrogenated amorphous silicon-germanium (aSiGe:H) films and n-i-p solar cells near the threshold of microcrystalline formation have been prepared by plasma enhanced chemical vapor deposition (PECVD) with a fixed germane to disilane ratio of 0.72 and a wide range of hydrogen dilution RH=(H2 flow)/(GeH4+Si2H6 flow) values of 1.7, 10, 30, 50, 120, 180 and 240. The effects of RH on the structural ...

Journal: :International journal of pharmaceutics 1999
V Kumar S H Kothari

The effect of compressional force on the crystallinity of low crystallinity cellulose (LCPC), microcrystalline celluloses (Avicel PH-101, PH-102 and PH-302 grades) and powdered cellulose (Solka Floc BW-100) has been investigated using an X-ray diffraction method. Microcrystalline and powdered celluloses showed an increase of about 10% in their crystallinities, compared to the values for the cor...

2006
F. Meillaud

This paper investigates the stability of dilution series of pin and nip microcrystalline silicon solar cells under low-energy proton irradiation (E = 405 keV). Variation of electrical parameters, defect-related absorption and Urbach parameter are investigated as a function of irradiation and annealing steps. Highly microcrystalline cells show a relative efficiency loss of up to 80 % after proto...

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