Cyclic Phosphonomethylphosphinates: A New Type of Phosphorus-Containing Sugars.

ChemInform ◽  
2003 ◽  
Vol 34 (23) ◽  
Author(s):  
Philippe Bisseret ◽  
Jean-Guy Boiteau ◽  
Jacques Eustache
Keyword(s):  
Phosphorus Containing ◽  
New Type

Cyclic phosphonomethylphosphinates: a new type of phosphorus-containing sugars

2003 ◽  
Vol 44 (11) ◽  
pp. 2351-2354 ◽  
Author(s):  
Philippe Bisseret ◽  
Jean-Guy Boiteau ◽  
Jacques Eustache
Keyword(s):  
Phosphorus Containing ◽  
New Type

scholarly journals Preparation of a New Iron-Carbon-Loaded Constructed Wetland Substrate and Enhanced Phosphorus Removal Performance

Materials ◽  
2020 ◽  
Vol 13 (21) ◽  
pp. 4739
Author(s):  
Jie Zhao ◽  
Jingqing Gao ◽  
Junzhao Liu
Keyword(s):  
Activated Carbon ◽  
Phosphorus Removal ◽  
High Efficiency ◽  
Energy Dispersive Spectrometer ◽  
Carbon Particle ◽  
Carbon Substrate ◽  
Synthesis Conditions ◽  
Phosphorus Containing ◽  
New Type

Iron-carbon substrates have attracted extensive attention in water treatment due to their excellent processing ability. The traditional iron-carbon substrate suffers from poor removal effects, separation of the cathode and anode, hardening, secondary pollution, etc. In this study, a new type of iron-carbon-loaded substrate (NICLS) was developed to solve the problems of traditional micro-electrolytic substrates. Through experimental research, a preparation method for the NICLS with Fe and C as the core, zeolite as the skeleton, and water-based polyurethane as the binder was proposed. The performance of the NICLS in phosphorus-containing wastewater was analyzed. The results are as follows: The optimal synthesis conditions of the NICLS are 1 g hydroxycellulose, wood activated carbon as the cathode, an activated carbon particle size of 200-60 mesh, and an Fe/C ratio of 1:1. Acidic conditions can promote the degradation of phosphorus by the NICLS. Through the characterization of the NICLS (scanning electron microscope (SEM), X-ray diffractometer (XRD), and energy-dispersive spectrometer (EDS), etc.), it is concluded that the mechanism of the NICLS phosphorus removal is a chemical reaction produced by micro-electrolysis. Using the NICLS to treat phosphorus-containing wastewater has the advantages of high efficiency and durability. Therefore, it can be considered that the NICLS is a promising material to remove phosphorus.

New type of phosphorus-containing aldehydes

2014 ◽  
Vol 84 (11) ◽  
pp. 2277-2279 ◽  
Author(s):  
M. B. Gazizov ◽  
R. A. Khairullin ◽  
N. G. Aksenov
Keyword(s):  
Phosphorus Containing ◽  
New Type

Phosphorus-containing bisazomethines based on terephthalic aldehyde as tetradentate ligand of new type

2014 ◽  
Vol 84 (6) ◽  
pp. 1249-1250 ◽  
Author(s):  
R. Kh. Bagautdinova ◽  
A. P. Vanichkina ◽  
E. M. Pudovik ◽  
A. R. Burilov ◽  
M. A. Pudovik
Keyword(s):  
Tetradentate Ligand ◽  
Phosphorus Containing ◽  
New Type ◽  
Terephthalic Aldehyde

31P Hyperfine interaction in a new type of phosphorus-containing iminoxy free radicals. An ESR study

1992 ◽  
Vol 30 (2) ◽  
pp. 163-168 ◽  
Author(s):  
Zdzislaw Siatecki ◽  
Piotr J. Chmielewski ◽  
Adam Jezierski
Keyword(s):  
Free Radicals ◽  
Hyperfine Interaction ◽  
Phosphorus Containing ◽  
New Type

The Microstructure of Shock-Synthesized Diamond

1967 ◽  
Vol 25 ◽  
pp. 324-325
Author(s):  
Lucien F. Trueb
Keyword(s):  
Single Crystals ◽  
Preferred Orientation ◽  
High Magnification ◽  
Texture Pattern ◽  
Shock Process ◽  
New Type ◽  
Diffraction Diagram

A new type of synthetic industrial diamond formed by an explosive shock process has been recently developed by the Du Pont Company. This material consists of a mixture of two basically different forms, as shown in Figure 1: relatively flat and compact aggregates of acicular crystallites, and single crystals in the form of irregular polyhedra with straight edges.Figure 2 is a high magnification micrograph typical for the fibrous aggregates; it shows that they are composed of bundles of crystallites 0.05-0.3 μ long and 0.02 μ. wide. The selected area diffraction diagram (insert in Figure 2) consists of a weak polycrystalline ring pattern and a strong texture pattern with arc reflections. The latter results from crystals having preferred orientation, which shows that in a given particle most fibrils have a similar orientation.

New type electron gun with electrostatic and electromagnetic lenses

1978 ◽  
Vol 36 (1) ◽  
pp. 62-63
Author(s):  
T. Ichinokawa ◽  
H. Maeda
Keyword(s):  
Electron Microscopy ◽  
Electron Beam ◽  
Optimum Condition ◽  
Bias Voltage ◽  
Electron Gun ◽  
Charge Effect ◽  
Micro Fabrication ◽  
Maximum Brightness ◽  
New Type ◽  
The Ideal

I. IntroductionThermionic electron gun with the Wehnelt grid is popularly used in the electron microscopy and electron beam micro-fabrication. It is well known that this gun could get the ideal brightness caluculated from the Lengumier and Richardson equations under the optimum condition. However, the design and ajustment to the optimum condition is not so easy. The gun has following properties with respect to the Wehnelt bias; (1) The maximum brightness is got only in the optimum bias. (2) In the larger bias than the optimum, the brightness decreases with increasing the bias voltage on account of the space charge effect. (3) In the smaller bias than the optimum, the brightness decreases with bias voltage on account of spreading of the cross over spot due to the aberrations of the electrostatic immersion lens.In the present experiment, a new type electron gun with the electrostatic and electromagnetic lens is designed, and its properties are examined experimentally.

A new type of defect structure in 124-superconducting oxide revealed by HREM

1991 ◽  
Vol 49 ◽  
pp. 1092-1093
Author(s):  
R. Sharma ◽  
B.L. Ramakrishna ◽  
N.N. Thadhani ◽  
D. Hianes ◽  
Z. Iqbal
Keyword(s):  
Shock Wave ◽  
Defect Structure ◽  
Neutron Radiation ◽  
Weak Links ◽  
Defect Structures ◽  
New Materials ◽  
New Type ◽  
Current Densities ◽  
Processing Techniques ◽  
Microstructural Studies

After materials with superconducting temperatures higher than liquid nitrogen have been prepared, more emphasis has been on increasing the current densities (Jc) of high Tc superconductors than finding new materials with higher transition temperatures. Different processing techniques i.e thin films, shock wave processing, neutron radiation etc. have been applied in order to increase Jc. Microstructural studies of compounds thus prepared have shown either a decrease in gram boundaries that act as weak-links or increase in defect structure that act as flux-pinning centers. We have studied shock wave synthesized Tl-Ba-Cu-O and shock wave processed Y-123 superconductors with somewhat different properties compared to those prepared by solid-state reaction. Here we report the defect structures observed in the shock-processed Y-124 superconductors.

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