Experimental study on sulfur-containing products in pressurised oxy-fuel pyrolysis of pulverised coal

2021 ◽  
Vol 279 ◽  
pp. 123818
Author(s):  
Xiaorui Liang ◽  
Qinhui Wang ◽  
Zhongyang Luo ◽  
Eric Eddings ◽  
Terry Ring ◽  
...  
AIAA Journal ◽  
1997 ◽  
Vol 35 ◽  
pp. 1493-1498
Author(s):  
L. M. Matta ◽  
B. T. Zinn ◽  
J. I. Jagoda

Author(s):  
V. M. SONIN ◽  
I. A. GRYAZNOV ◽  
E. I. ZHIMULEV ◽  
A. I. CHEPUROV

An experimental study of the process of the dissolution of diamonds in a sulfur-containing iron melt with different contents of sulfur (10,  15, 20, 25, 30 wt. %) at 3,5 GPa and 1400°C has been carried out.  The obtained results indicate that under the realized conditions, the  plane-faced diamond crystals of octahedral habit are transformed  into a curved octahedroid shape with morphological characteristics similar to  natural diamonds from kimberlites. It has been concluded that metal- sulphide melts, given their relatively low melting points, could affect the  safety of diamonds in the mantle. The presence of sulfur reduces  the solubility of carbon and tends to zero in the Fe-S melt compositions  close to eutectic (25 and 30 wt. %). That is, the presence of sulfur has a favorable effect on the stability of diamonds.


2018 ◽  
Vol 33 (21) ◽  
pp. 3589-3603 ◽  
Author(s):  
Tao Yang ◽  
Junpeng Feng ◽  
Xingchen Liu ◽  
Yandan Wang ◽  
Hui Ge ◽  
...  

Abstract


AIAA Journal ◽  
10.2514/2.273 ◽  
1997 ◽  
Vol 35 (9) ◽  
pp. 1493-1498 ◽  
Author(s):  
L. M. Matta ◽  
B. T. Zinn ◽  
J. I. Jagoda

Author(s):  
E.M. Kuhn ◽  
K.D. Marenus ◽  
M. Beer

Fibers composed of different types of collagen cannot be differentiated by conventional electron microscopic stains. We are developing staining procedures aimed at identifying collagen fibers of different types.Pt(Gly-L-Met)Cl binds specifically to sulfur-containing amino acids. Different collagens have methionine (met) residues at somewhat different positions. A good correspondence has been reported between known met positions and Pt(GLM) bands in rat Type I SLS (collagen aggregates in which molecules lie adjacent to each other in exact register). We have confirmed this relationship in Type III collagen SLS (Fig. 1).


Author(s):  
Norio Baba ◽  
Norihiko Ichise ◽  
Syunya Watanabe

The tilted beam illumination method is used to improve the resolution comparing with the axial illumination mode. Using this advantage, a restoration method of several tilted beam images covering the full azimuthal range was proposed by Saxton, and experimentally examined. To make this technique more reliable it seems that some practical problems still remain. In this report the restoration was attempted and the problems were considered. In our study, four problems were pointed out for the experiment of the restoration. (1) Accurate beam tilt adjustment to fit the incident beam to the coma-free axis for the symmetrical beam tilting over the full azimuthal range. (2) Accurate measurements of the optical parameters which are necessary to design the restoration filter. Even if the spherical aberration coefficient Cs is known with accuracy and the axial astigmatism is sufficiently compensated, at least the defocus value must be measured. (3) Accurate alignment of the tilt-azimuth series images.


2020 ◽  
Vol 48 (2) ◽  
pp. 613-620
Author(s):  
Clara Ortegón Salas ◽  
Katharina Schneider ◽  
Christopher Horst Lillig ◽  
Manuela Gellert

Processing of and responding to various signals is an essential cellular function that influences survival, homeostasis, development, and cell death. Extra- or intracellular signals are perceived via specific receptors and transduced in a particular signalling pathway that results in a precise response. Reversible post-translational redox modifications of cysteinyl and methionyl residues have been characterised in countless signal transduction pathways. Due to the low reactivity of most sulfur-containing amino acid side chains with hydrogen peroxide, for instance, and also to ensure specificity, redox signalling requires catalysis, just like phosphorylation signalling requires kinases and phosphatases. While reducing enzymes of both cysteinyl- and methionyl-derivates have been characterised in great detail before, the discovery and characterisation of MICAL proteins evinced the first examples of specific oxidases in signal transduction. This article provides an overview of the functions of MICAL proteins in the redox regulation of cellular functions.


1962 ◽  
Vol 5 (4) ◽  
pp. 387-394 ◽  
Author(s):  
Bruce Quarrington ◽  
Jerome Conway ◽  
Nathan Siegel
Keyword(s):  

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