Miracle-dz/UniFAR-FTUs huggingface dataset:
Die Albit/Mikroklin-Orientierungs-Beziehungen in Mikroklinperthiten und deren genetische Deutung

The or ienta t ion of the albi te component re la t ive to the Κ feldspar host was determined by x ray me thods in macro, microand c ryp toper th i t es f rom 27 different localities. Two ma in types (with in termedia te orientat ions) were found : Type I , The or ientat ion of the albite indicates separat ion f rom a "monoclinic" Κ feldspar (macro-, microand par t ly cryptoper th i te) . This orientat ion was observed when the Κ feldspar appeared optically "monocl inic" or when the microcline twin s t ruc tu re appeared diffuse and wi thout sharp boundaries. Type I I , The or ienta t ion shows no relat ion t o a n original monoclinic s ta te ; on the cont ra ry the albi te shows such relat ions to the microcline t h a t it m u s t be considered to h a v e separa ted from triclinio microcline (cryptoper th i te in larger microcline lamellae which show sharp boundar ies and c ryp toper th i t e in large microcline areas which m a y a l ready be viewed as single crystals). On the basis of t he xray resul ts the following processes are main ly responsible for t he format ion of the per th i tes examined (mostly of pegmat i t i c character) : 1. Format ion of relatively coarse "ve in pe r th i t e " (ANDERSEN) th rough unmixing f rom a sanidine s t a t e ; 2. Fo rma t ion of "fi lm p e r t h i t e " (ANDERSEN) and "monoclinically or ien ted" c ryp toper th i t e th rough unmix ing f rom a n "or thoc lase" s t a t e ; 3. Fo rma t ion of "triclinically or ien ted" c ryp toper th i t e th rough unmixing f rom a microcline s t a t e ; 4. Recrystal l izat ion of twinned microcline and of perthi t ic albite to "single c rys ta l " microcline wi th albite inclusions, t he orientat ion of which is such t h a t t he Al/Si dis t r ibut ion in the microcline and in t h e albi te inclusions is "topologically coheren t" ("pla te per th i te" ) . The cleavelandites with r a n d o m orientat ion t o the Κ feldspar are considered as a relatively la te albi t izat ion coming f rom outside. * Je tz ige Adresse: Mineralogisches In s t i t u t der Univers i tä t Thessaloniki, Griechenland. 70 F . L A V E S u n d K . S O L D A T O 9
SHARE AND USE

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Ultrafast magnetization dynamics of antiferromagnetic compounds

In three different antiferromagnetic (AFM) materials we show that the magnetization dynamics of AFM compounds differs noticeably from that of ferromagnetic compounds. Optical second harmonic generation and linear reflection were used to monitor with a temporal resolution of <1 ps the evolution of the AFM order parameter subsequent to an intense optical excitation. Comparison of the dynamical properties of the model antiferromagnet Cr2O3 with model ferro- and ferrimagnets reveals that spin–lattice relaxation as the temporally limiting thermalization process of the magnetic subsystem is more complex and inherently faster than in compounds displaying a spontaneous magnetization. The exchange-bias compound NiO exhibits an ultrafast photoinduced AFM phase transition in the course of which the AFM order parameter is switched by 90°. Properly timed sequences of pump pulses can repeatedly reorient the AFM order parameter within 10 ps, thus demonstrating ultrafast AFM switching. In the colossal-magnetoresistance compound Pr1−xCaxMnO3 optical pumping triggers a transition from an insulating AFM to a conducting metallic state within 230 fs.
Development of a validated LC-MS/MS method for characterization of the distribution of trillin in mouse tissues after intravenous administration

A rapid, sensitive and specific method for the quantitation of trillin in mouse tissues was developed and validated using highperformance liquid chromatography-tandem mass spectrometry (LC-MS/MS) with an electrospray ionization (ESI) interface. The plasma proteins were precipitated with methanol and ginsenoside Rh2 was used as the internal standard (IS). Separation of trillin was accomplished on a Metachem ODS-3 analytical column (50 mm×2.0 mm, 5 µm) with a mobile phase consisting of acetonitrilewater-formic acid (80:20:0.1, v/v/v) which was delivered at 0.2 ml/min. The electrospray ionization was operated in positive-ion mode. Ions were monitored in the multiple reaction-monitoring (MRM) mode, and the fragmentation transitions were m/z 577.6→ 253.6 amu for trillin and m/z 621.5→603.7 amu for ginsenoside Rh2. This method has been successfully applied to study the tissue distribution characteristics of trillin after intravenous administration (at a dose of 7.6 mg/kg) to mice. The linear ranges of the concentration of trillin in the heart, liver, spleen, lung, kidney, and brain were 5–300 µg/ml. The magnitude of the AUC of trillin was, in descending order, lung, spleen, kidney, heart, and liver. The magnitude of the MRT was, in descending order, lung, spleen, kidney, heart, and liver.
Características clínicas de pacientes con cáncer diferenciado de tiroides tratados con yodo radiactivo

37 patients were referred to the Nuclear Medicine Center for ablative treatment or therapeutic dose of radioactive iodine. 73 % belonged to the group of high risk and 27 % intermediate risk. 81 % of patients were women with a female / male ratio of 4.3 and an average of 50 years old. The average dosage of thyroglobulin in the post-operative period was 72.48 ng/mL. They showed lung metastases to 16 % and 8 % mediastinum. 70 % of patients had total thyroidectomy, 18.9 % overall and 2.7 % extended thyroidectomy, subtotal thyroidectomy associated with nodal neck dissection in 48.6 %. 70 % of the cases were well-differentiated tumors; 67 % were papillary carcinoma; 51.4 % with lymphatic invasion and vascular invasion 59.5 %. Lymph nodes were evaluated with average of 21 resected and five committed, involved margins associated with 37 %. The dose for ablation of residual tissue was 80mCi, which was performed in 10.8 %. The remaining patients had therapeutic dose of 100 mCi in 37.8 % and up to 180 mCi dose in 5.4 %, with this dose in two patients requiring second or third dose because of persistent disease.
Fanno Flow in Microchannels

In this study, the Fanno flow problem has been theoretically investigated using both, first order and second order velocity-slip boundary conditions models and then compared to the no-slip boundary conditions solution. The objective is to study the behavior of the flow predicted by the two slip models. Then, an attempt will be made to establish criteria for using the no-slip and the two velocity-slip models. The Fanno flow is an ideal gas adiabatic flow in constant area duct with friction. It is found that the velocity profile for the two velocity-slip models has the same shape as the no-slip model velocity profile but with an amount of slip at the wall which increases as the Knudsen number, Kn, increases. Also the effect of the slip has on the compressible flow characteristics have been examined. It shows that as the Kn increases, the skin friction coefficient Cf and the Darcy friction coefficient f decrease. Overall, it is concluded that for an adiabatic compressible flow in circular microchannel, for Kn#0.01 there is no need to apply any velocity-slip model as the no-slip model gives sufficiently accurate predictions. As for the range 0.01#Kn#0.1, the first order velocity slip model should be applied and so for this range, there is no necessity to use the second order velocity-slip model.
The fundamentals of aging in HV polymer-film capacitors

This paper covers the basic phenomena involved in the aging of capacitors constructed using polymer films as the major dielectric material. A wide variety of aging phenomena can be identified, ranging from simple electrical, dielectric, thermal, radiation, chemical and physical aging, to aging originating from the specific construction of the capacitor. Some phenomena occur quickly, such as some morphological changes in the polymer, others occur progressively, and others occur later in the life of the capacitor. The polymers covered range from biaxially-oriented polypropylene, which is widely used in commercial utility and industrial capacitors, to polymers like polycarbonate, polysulfone, polyimide, and polyvinylidene fluoride, which are used in high-energy density, outer-space, high-temperature, or other special applications. The paper addresses two constructions of polymer film capacitor where the aging phenomena are significantly different due to the differences in construction: polymer/foil capacitors and metalized film capacitors. Metalized polymer film capacitors have the quality of clearing or self healing that is not present in film/foil capacitors. The discussion of aging in this paper is given from the perspective of these two designs. >
Potential Anti-plasmodial Activity of Synthesized Silver Nanoparticle using Andrographis paniculata Nees (Acanthaceae)

The synthesis of metal nanoparticles using biological systems is an expanding research area due to the potential applications in nanomedicines. Nanoparticles synthesized by chemical method are not eco-friendly. The biological synthesis of silver nanoparticles is convenient and extracellular method which is environmentally safe. In the present study the silver nanoparticles were successfully synthesized from AgNO3 through a simple green route using the leaves of Andrographis paniculata as reducing as well as capping agent. The obtained nanoparticles were characterized using UV-vis (UV-visible spectroscopy), XRD (X-ray diffraction analysis), and SEM (Scanning electron microscope). X-ray diffraction and SEM analysis showed the average particle size of 35-55 nm as well as revealed their cubic structure. The antiplasmodial activity of these nanoparticles was studies against Plasmodium falciparum. The parasitic property was analyzed by (IC50) values were 26±0.2% at 25 μg/ml, 83±0.5% at 100 μg/ml. The important outcome of the study will be the development of value added products from medicinal plants of india for biomedical and nanotechnology based industries.
The cooling rate dependence of cation distributions in CoFe2O4

The room‐temperature cation distributions in bulk CoFe2O4 samples, cooled at rates between <10−2 and ∼103 °C s−1, have been determined using Mossbauer spectroscopy in an 80‐kOe magnetic field. With increasing cooling rate, the quenched structure departs increasingly from the mostly ordered cation distribution ordinarily observed at room temperature. However, the cation disorder appears to saturate just short of a random distribution at very high cooling rates. These results are interpreted in terms of a simple relaxation model of cation redistribution kinetics. The disordered cation distributions should lead to increased magnetization and decreased coercivity in CoFe2O4.
Perturbation theory for the radial distribution function

Perturbation theory is used to consider expansions for the radial distribution function, g 2(r), of a fluid with a soft core. We consider the Lennard-Jones (12, 6) potential and divide it into repulsive and attractive regions. In the repulsive region we expand the function exp (β u(r))g 2(r) about a hard sphere value. For the first-order contribution of the attractive region we consider a simple approximation to the exact analytical expression. The resulting g 2(r) is accurate at densities below about ρσ 3=0·5.
La cultura emprenderista en Bogotá: las consecuencias de las nuevas formas de gestionar el desempleo

El presente estudio realiza un analisis del discurso y practica del emprendimiento y muestra sus consecuencias en el estatuto del individuo, del trabajo y sus redes de proteccion, teniendo como referente la ciudad de Bogota. En primer lugar se realiza un analisis en una perspectiva de larga duracion, situandose en las transformaciones del mundo del trabajo y la empresa en el marco de la globalizacion. Posteriormente, se analiza el discurso en sus fundamentos economicos, que configuran un nuevo perfil de crecimiento economico con un sector productivo diversificado y la innovacion como motor central del desarrollo. Asi mismo, realizamos una evaluacion de los modos y referentes que propone la cultura del emprendimiento para el individuo, la empresa, la etica, la ciudad, la universidad, la academia, la lucha contra la pobreza y los movimientos sociales que estan guiados por una hiper-individualizacion. Por ultimo, analizamos la trayectoria del emprendimiento en Bogota, por medio de las instituciones que se han creado para su promocion.
Étude paramétrique des configurations impaires profondes dans les spectres de l'uranium UI et UII

2014 By the use of new observations in the infrared (Fourier Transform Spectroscopy), the analysis of the first spectrum of uranium (UI) has been extended. The lowest even levels belong to 5f4 7s2 5I and new odd levels have been located. In order to facilitate their interpretation, the configuration 5f3 6d 7s2 and the sub-configuration 5f3(4I) 6d2 7s have been calculated taking account of their interaction, following the methods of Racah. Sixty-eight levels are interpreted with a rms deviation of 124 cm-1 in their energies. Results of a similar calculation for the configuration 5f3 6d 7s in UII are also discussed. LE JOURNAL DE PHYSIQUE TOME 35, DÉCEMBRE 1974, Classification Physics Abstracts 5.230
Adsorption Behaviors of HiPco Single-Walled Carbon Nanotube Aggregates for Alcohol Vapors

HiPco single-walled carbon nanotubes (HPNTs) containing Fe were purified by a one-step process with HCl-washing (D-method) and a two-step process with HCl-washing after air oxidation (GD-method). The HPNT samples before and after purification were characterized using the N2 adsorption at 77 K, thermogravimetric analysis (TGA), and X-ray photoelectron spectroscopy (XPS). The TGA results showed a decreased Fe content after purification. In addition, the XPS results provided evidence that oxygen-based functional groups were introduced to the nanotube surface by both purification methods. The purification treatments also altered the N2 adsorption isotherms from type II to type IV; this accompanied the development of microporosity. Thus, purification considerably affects the surface chemistry and pore structures of HPNT aggregates. The effects of purification on the adsorption properties of HPNT aggregates with regard to CH3OH and C2H5OH vapors were examined at 303 K. The purification greatly enhanced the adso.
Pulsed electroacoustic method for measurement of charge accumulation in solid dielectrics

This paper describes the principle of the pulsed electroacoustic (PEA) method, which was developed a few years ago for profiling the space charge distribution in an acoustically homogeneous solid material. Initially the PEA method could indicate the space charge distribution in the materials only indirectly. Some data processing, for example deconvolution, was necessary to obtain the charge profile. Some very important improvements were made recently to the PEA method which eliminated the need for deconvolution. This paper describes the latest improvements and the practical construction of the detecting electrode system under which the output signal is linearly proportional to the space charge distribution. Nowadays the PEA method can be used to measure the space charge distribution with or without DC electrical stress, not only in free-standing dielectric plates but also directly in coaxial cables. >
Removal of platinum from water by precipitation or liquid–liquid extraction and separation from gold using ionic liquids

Precipitation and liquid–liquid extraction of PtX62− (X = Cl−, Br−, SCN−) in acidified aqueous solutions ranging from 0.1 M to 9 M HBr or 11 M of HCl have been studied using water-soluble or hydrophobic ionic liquids. Divalent hexachloroplatinate(IV) anions appear to be extracted much less efficiently than tetrachloroaurate(III) complexes. At a concentration of 11 M HCl, values of 15 and 800 for the distribution coefficients of PtCl62− and PtBr62− in [OMIM][NTf2] have been obtained accordingly. The presence of a labile hydrogen on the imidazolium ring has been found to play a specific role in the extraction of platinum(IV) complexes in concentrated HCl or HBr. Pt(SCN)62− appears to be very efficiently extracted at pH 1 using [OMIM][NTf2], exhibiting a distribution coefficient of 6150. Finally, two methods for quantitative separation of gold and platinum in water using in each method two extraction steps have been proposed. The back extraction of platinum(IV) during the second separation process was also discussed.
A Critical Analysis on the Efficiency of Activated Carbons from Low-Cost Precursors for Heavy Metals Remediation

A vast array of industrial waste products, agricultural by-products, and biological materials, such as bacteria, algae, yeasts, and fungi have received increased attention for heavy metal removal and recovery due to their good performance, low cost, and availability in large quantities. Such materials are cheaper, more effective alternatives to commercial activated carbon (AC) for the removal of heavy metals from aqueous solution. The authors review in greater detail the various factors affecting the adsorption capacity and cost efficiency based on the literatures and present research results. Special emphasis has been made on nature of the precursors, their pretreatment and modification, the activation conditions of time and temperature, pH of aqueous media, and regeneration/reuse potential. The authors present some of the latest important results and give a source of up-to-date literature on the ACs prepared from various low-cost precursors from agro-industrial wastes as well as from biological materials. The evolution of adsorption has turned from an interesting alternative approach into a powerful standard technique by offering a numbers of advantages: better performance in terms of ulterior adsorption capacity, rate of adsorption, solving wastewaters pollution in a cost-effective way, and overcoming part of the solid wastes problem around the world. Various advantages and challenges have been identified and a widespread and great progress in this area can be expected in the future.
Screening for Antioxidant Activity in Eighteen Local Northeastern Vegetables using Silica Gel Thin-layer Chromatography Followed by Spraying with DPPH

Antioxidant has been used as protection of autoxidation. In order to search for antioxidant activity, 18 types of vegetable from Northeastern Thailand, i.e. Strychnos minor Dennst. , Asparagus racemosus willd. , Blumea napifolia DC. , Stephania erecta Linn. , Momordica sp. , Aganosma marginata G. Don, Cassia tora Linn. , Pluchea indica Less, Ottelia alismoides (L.) Pers. , Blumea sp. , Solanum nigrum Linn, Phyllanthus amarus Schumach & Thonn. , Emilia sonchifolia (Linn.) DC. , Droogmansia godefroyana (Kuntze) Schindl, Scoparia dulcis Linn. , Kaempferia galanga Linn. , Monordica cochinchinensis (Lour) Spreng. , and Monihoty esculenta Crantz, were collected. The methanolic extracts were screened for antioxidant activity using silica gel thin-layer chromatography followed by spraying with 2,2–diphenyl-1-picrylhydrazyl hydrate (DPPH). The results showed that 17 types of vegetable from Northeastern Thailand exhibited positive antioxidant but only methanolic extracts of Ottelia alismoides (L.) Pers. showed negative antioxidant activity. Moreover, antioxidant components of methanolic extracts of 17 types of vegetable from Northeastern Thailand have the different Rf values with mobile phase acetone, acetone: methanol, and acetone: methanol with the ratio of 1:0, 4:1, and 1:1, respectively. Keywords: antioxidant, autoxidation, vegetables from Northeastern Thailand
25 nm mechanically buttressed high aspect ratio zone plates: Fabrication and performance

High performance zone plates are critical for advancing the state-of-the-art in x-ray microscopy, both in terms of spatial and energy resolution. Improved resolution, increased energy bandwidth, and enhanced efficiency can be achieved through the fabrication of smaller, higher aspect ratio outer zones. Using electron beam lithography, we have fabricated and obtained initial performance data from a 25nm outer zone width zone plate, with a 7:1 aspect ratio, using a hydrogen silsesquioxane (HSQ)/cross-linked polymer bilayer process. We investigated the effectiveness of buttresses, i.e., mechanical supports perpendicular to the zones, on our ability to achieve higher aspect ratios which conventionally would be unreachable due to resist collapse. Optimum buttress spacing is affected by film thickness, linewidth, collapse mechanisms, and resist modulus. For 25nm zones, etched into 150nm cross-linked polymer (AZPN114), buttress spacings of approximately two times the resist thickness or ten times the zone width .
The effects of ozone on the leaf processes of poplar: A proteomics approach

After the industrial revolution of the 1700s and 1800s, and the subsequent industrialization, many pollutants have accumulated in the atmosphere, mainly due to the use of coal and fossil fuels. Besides the primary pollutants such as nitrogen oxides and sulfur oxides, secondary oxides such as ozone started to accumulate. Nowadays, ozone is the third gas involved in global climate change, but is also a major health risk for humans, and induces considerable damage to vegetation. Starting in the 50s, ozone research was based on targeted studies. Nowadays, with the advent of global techniques such as transcriptomics and proteomics, new results can be produced in an unbiased way. In the thesis presented here, a proteomic study of the effects of ozone on poplar leaf processes was carried out. With the help of this technique, complemented with biochemical and physiological approaches and with morphological observations, it was possible to confirm previous results, but also to elaborate new hypotheses concerning the effects of ozone on poplar leaf metabolism. In parallel, studying the stress also allowed to clarify some of the changes that occur in metabolism during leaf development, under stress conditions and under control conditions. In this document, the procedures, results and conclusions obtained during this study are presented in detail
Radio Frequency Heating—A Prospective Leather Drying System for Future

Abstract Drying is one of the important operations influencing finished product quality and leather is no exception. Newer drying methods are being explored worldwide in order to enhance the productivity and quality. Radio frequency (RF) heating is being increasingly applied for industrial applications such as drying of wood, paper, and textiles. Investigations on the use of radio frequency heating for leather drying has been attempted in the present work which has led to promising results. Compared to conventional air-drying, RF heating produced leathers of comparable quality both at laboratory and semi-commercial scale trials. Leather drying by radio frequency heating has resulted in time reduction by more than 80%, at favorable energy costs.