Materials Literature
按标题、摘要、年份、主题和来源检索公开元数据。结果保留作者、摘要、分类与原始来源链接。
Phosphorus (P) is a requirement for biological growth, but this vital nutrient is present at low or limiting concentrations across vast areas of the global surface ocean. Inorganic polyphosphate (poly-P), a linear polymer of at least three orthophosphate units, is one component of the marine P cycle that has been rela…
The effect of copper oxide on migration and interaction of protons in barium zirconate was investigated using density functional theory. One copper atom was substituted for a zirconium atom site, and a proton was added to a 3 3 3 barium zirconate superstructure. An energy barrier of 0.89 eV for proton migration was th…
This chapter contains sections titled: Introduction Summary of Solid-Form Screening Process Polymorph Screening Conclusion References
This chapter contains sections titled: Introduction Neutral Pharmaceutical Molecules Thermodynamics and Phase Diagrams Neutral Pharmaceutical Molecules in the Solid State Salt Formation and Acid-Base Equilibrium Polymorphs, Solvates and Mixed Crystals Phase Transitions and Kinetics Screening for ‘Polymorphs’ (Ansolvat…
Interior permanent-magnet synchronous motors (IPMSMs) produce both magnetic and reluctance torques. The reluctance torque is due to the difference between the d- and q-axis inductances based on the geometric rotor structure. The steady-state performance analysis and precise control of the IPMSMs greatly depend on the…
This chapter contains sections titled: Introduction Generation and Properties of X-Rays Crystal, Lattices, Unit Cells and Symmetry The Interaction of X-rays with Crystals Collecting Intensity Data for Single Crystals Determining Crystal Structures Powder Diffraction Amorphous Powders Particle Size Other Radiations: Ne…
This chapter contains sections titled: Introduction Differential Scanning Calorimetry (DSC) Thermogravimetric Analysis (TGA) Dynamic Mechanical Analysis (DMA) Determining the Melting Behaviour of Crystalline Solids Polymorphism Solvates and Hydrates (Pseudopolymorphism) Evolved Gas Analysis (EGA) and Simultaneous Meas…
Of all the terrible news from the crippled Fukushima Daiichi nuclear power plant, reports about the spent fuel storage pool for reactor #4 may be among the most disconcerting for scientists.
This chapter contains sections titled: Heterocycles and Natural Colors Dyes Fluorescent Agents Color Change Compounds Fire Retardancy Photographic Materials and Recorders of Information Heterocycles as Food Additives Heterocycles as Cosmetics and Perfumery Ingredients Other Applications Problems Suggested Reading
The purpose of this work was to develop a model that can be used to predict temperatures of the glass in the Defense Waste Processing Facility (DWPF) canisters during filling and cooldown. Past attempts to model these processes resulted in large (>200K) differences in predicted temperatures compared to experimentally…
This chapter contains sections titled: Introduction and Theory Electromagnetic Radiation Vibrational Spectroscopy Mid- and Near-Infrared Spectroscopy Near-Infrared Spectroscopy Raman Spectroscopy Chemical Imaging and Mapping Microscopy Nuclear Magnetic Resonance Spectroscopy Terahertz Pulsed Spectroscopy References
This chapter contains sections titled: Introduction Site conditions Regional geology Soil properties Materials and methods Results and discussion Discussion and conclusions References
This chapter contains sections titled: General Introduction Common Background to the Techniques Dielectric Spectroscopy Thermally Stimulated Current (TSC) Spectroscopy Overall Conclusions References
Abstract Erst schauten sie der Natur auf die Finger, dann synthetisierten sie nach deren Vorbild Ketten von Molekülen, die alle dieselbe Länge und Struktur haben und sich sogar selbst vervielfältigen können. Nun legen Polymerchemiker damit die Grundlagen für neue interessante Werkstoffe.
The main objectives of this research are to investigate characteristics of ozone solubility due to low solubility of conventional bubbles-ozone generators, evaluate the treatment characteristics of reclaiming textile wastewater for industrial water by means of micro/nano bubbles-dissolved ozone flotation(MNB-DOF) proc…
tert-Butylation of toluene with tert-butanol used as the alkylating agent was investigated over the activated ben- tonite and HY zeolite used as the catalyst. The influences of various butylation reaction parameters, including the toluene/ tert-butanol ratio, the reaction temperature, and the space velocity were discu…
La or Ce-containing mordenite samples were synthesized from an amine-free fluorine-containing system with a quite broad range of raw materials compositions. When cerous nitrate was used in place of lanthanum nitrate as the starting material for synthesis of the zeolite, the formation of quartz could be inhibited. Alum…
This chapter starts with an introduction of the issues related to biomaterials characterization and the overall strategies of performing three levels of tests: initial tests for defining the general properties of a biomaterial and for quality assurance; level II tests for defining the properties closely related to the e…
Machine learning (ML) is transforming all areas of science. The complex and time-consuming calculations in molecular simulations are particularly suitable for an ML revolution and have already been profoundly affected by the application of existing ML ...Read More
In the paper photoluminescence of stain etched porous silicon layers is analyzed depending on wafer type and etching parameters. It is shown that porous silicon has bright, UVinduced luminescence in orange-red (650- 750 nm) spectrum. Type of photoluminescence spectrum testify the presence of big quantity of nanocrysta…