Deposits of clastic carbonate-dominated (calciclastic) sedimentary slope systems in the rock record have been identified mostly as linearly-consistent carbonate apron deposits, even though most ancient clastic carbonate slope deposits fit the submarine fan systems better. Calciclastic submarine fans are consequently rarely described and are poorly understood. Subsequently, very little is known especially in mud-dominated calciclastic submarine fan systems. Presented in this study are a sedimentological core and petrographic characterisation of samples from eleven boreholes from the Lower Carboniferous of Bowland Basin (Northwest England) that reveals a >250 m thick calciturbidite complex deposited in a calciclastic submarine fan setting. Seven facies are recognised from core and thin section characterisation and are grouped into three carbonate turbidite sequences. They include: 1) Calciturbidites, comprising mostly of highto low-density, wavy-laminated bioclast-rich facies; 2) low-density densite mudstones which are characterised by planar laminated and unlaminated muddominated facies; and 3) Calcidebrites which are muddy or hyper-concentrated debrisflow deposits occurring as poorly-sorted, chaotic, mud-supported floatstones. These

Phd by thesis

The American Society for Testing and Materials (ASTM) is an independent organization devoted to the development of standards.

American Society for Testing and Materials

Much has been written about theory and practice in the law, and the tension between practitioners and theorists. Judges do not cite theoretical articles often; they rarely "apply" theories to particular cases. These arguments are not revisited. Instead the Essay explores the working and interaction of theory and practice, practitioners and theorists. The Essay starts with a story about solving a legal issue using our intellectual tools - theory, practice, and their progenies: experience and "gut." Next the Essay elaborates on the nature of theory, practice, experience and "gut." The third part of the Essay discusses theories that are helpful to practitioners and those that are less helpful. The Essay concludes that practitioners theorize, and theorists practice. They use these intellectual tools differently because the goals and orientations of theorists and practitioners, and the constraints under which they act, differ. Theory, practice, experience and "gut" help us think, remember, decide and create. They complement each other like the two sides of the same coin: distinct but inseparable.

Of Theory and Practice

Über die Adsorption in Lösungen

Chem. Pharm. Bull.(オピニオン)

The inhibition of the corrosion of carbon steel in hydrochloric acid solution by Lipid Oil Melia (LOM) has been studied using weight loss, electrochemical impedance spectroscopy and potentiodynamic polarization techniques The inhibition efficiency of this inhibitor increases with increase in concentrations The maximum inhibition efficiency of LOM was achieved at 3 g/L concentration The inhibition efficiency of the inhibitor decreases on increasing the temperature from 298 to 328K The Tafel polarization studies indicate that this compound acts as a mixed type inhibitor As the inhibitor concentration increased, the charge transfer resistance of carbon steel increased and double layer capacitance decreased The adsorption of LOM on the surface on carbon steel has been found to obey the Langmuir adsorption isotherm, and the values of free energy of adsorption are calculated Kinetic parameters (activation energy, pre-exponential factor, enthalpy of activation and entropy of activation) were calculated and discussed

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Inhibition of Carbon Steel Corrosion in HCl Media by Lipid Oil Melia

The device constituted by two past electrodes: ferrocene and orthochloranil at fixed current potentiometry, can be used as a good sensor for the in-situ determination of phosphoric acid concentration (2.0-14.7 M). Good agreement was observed regarding the values obtained with our method and the spectrophotometric values in synthetic phosphoric media. Different factors affecting the variation of potential at imposed current such as current intensity, temperature, stirring rate of solution and H + ion concentrations are studied. The potential variations measured by our device between ferrocene and orthochloranil electrodes have the same values as those obtained by the voltamperometric curves. A new acidity function R i (H), which represents the determination of the H + activity has been introduced and compared to Strehlow R o (H) and Hammet H o functions. A good agreement has been observed between the R o (H) and R i (H) functions.

In Situ Determination of Acidity Level in Concentrated Phosphoric Acid Solutions by Potentiometric Method at Imposed Current Intensity

In this study, we attempted to assess the effect of various drippers’ distribution around the tree on soil moisture, salinity, flowering and fruit development The trial focused on a 5 years old Clementine of ‘Nules’ grafted onto sour-orange under drip system on a clay loam soil Four treatments (8 drippers per tree double lines, 6 drippers per tree double lines, 4 drippers per tree double lines and 4 drippers per tree single drip-line) were compared with control (2 drippers per tree on single line) The results show that the treatment with six drippers around the tree, gave the best distribution of fine roots and soil moisture, while moisturizing only the root zone without causing water losses, therefore a better water use efficiency Treatments using eight drippers or four drippers per tree on single or double drip-line are more stressful so more favorable to flowering Although, no effect is observed on fruit set and fruit drop However, fruit size was higher in the double drip-lines treatments, especially in those with four or six drip emitters

Impact assessment of drippersâ distribution around the tree on soil moisture, roots and fruits growth of Citrus

1 Laboratory of Environmental Engineering and Biotechnology, ENSA, Université Ibn Zohr, PO Box 1136, 80000 Agadir, Morocco 2 Départment de Biologie, Faculté des sciences et de la technologie, Université Dr. Tahar Moulay – SaïdaAlgérie 4 Petrochemical Research Chair, Chemistry Department, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia 4 LCAE-URAC 18, Faculty of Science, University of Mohammed Premier, Po Box 717 60000 Oujda, Morocco 5 Unité Matériaux et Transformations (UMET), Ingénierie des Systèmes Polymères, CNRS UMR 8207, B.P. 90108, F-59652 Villeneuve d'Ascq Cedex, France * E-mail: hammoutib@gmail.com

Inhibition effect of Thymelaea hirsuta extract towards steel corrosion in HCl solution

The objective of this work was to develop a process that allows the synthesis of an apatitic material of controlled composition and morphology, which could be used for medical and environmental applications. The adsorbent was synthesized, and characterized using scanning electron microscopy, nuclear magnetic resonance, Thermal analysis and other techniques, Atomic Force Microscopy, X-ray photoelectron spectroscopy and Total organic carbon. Different experimental parameters such as the effect of the amount of adsorbent, solution pH and temperatures and contact times were studied. Pseudo-order kinetics models were studied, and our data followed a pseudo second order. Experimental data were analyzed for both Langmuir and Freundlich models and the data fitted well with the Langmuir isotherm model. To understand the mechanism of adsorption, thermodynamic parameters like standard enthalpy, standard Gibbs free energy, and standard entropy were studied. The study indicated that the process is spontaneous, exothermic in nature and follow physisorption mechanisms. The novelty of this study showed surface of composite based of hydroxyapatite has the ability to highlight the surface designed for efficient removal of Cu and Zn ions, from aqueous solutions more than other studies. © 2021Tim Pengembang Jurnal UPI Article History: Received 07 Oct 2020 Revised 28 Nov 2020 Accepted 03 Dec 2020 Available online 20 Jan 2021 ____________________

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Belkheir Hammouti

Papers

Inhibition of Carbon Steel Corrosion in HCl Media by Lipid Oil Melia

In Situ Determination of Acidity Level in Concentrated Phosphoric Acid Solutions by Potentiometric Method at Imposed Current Intensity

Impact assessment of drippersâ distribution around the tree on soil moisture, roots and fruits growth of Citrus

Inhibition effect of Thymelaea hirsuta extract towards steel corrosion in HCl solution

Toxic heavy metals removal using a hydroxyapatite and hydroxyethyl cellulose modified with a new Gum Arabic