Relevant bibliographies by topics / Geochemistry not elsewhere classified

Academic literature on the topic 'Geochemistry not elsewhere classified'

Author: Grafiati
Published: 10 December 2022
Last updated: 28 January 2023

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Journal articles on the topic "Geochemistry not elsewhere classified"

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Gaete, Ayleen, Simone Cesca, Luis Franco, Juan San Martin, Cristian Cartes, and Thomas R. Walter. "Seismic activity during the 2013–2015 intereruptive phase at Lascar volcano, Chile." Geophysical Journal International 219, no. 1 (July 11, 2019): 449–63. http://dx.doi.org/10.1093/gji/ggz297.

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SUMMARY In addition to enabling the physical processes of volcanic systems to be better understood, seismology has been also used to infer the complexity of magma pathways and plumbing systems in steep-sided andesitic and stratovolcanoes. However, in these volcanic environments, the application of seismic location methods is particularly challenging and systematic comparisons of common methods are lacking. Furthermore, little is known about the characteristic seismicity and deep structure of Lascar volcano, one of the most historically active volcanoes in northern Chile known to produce VEI-4 eruptions. To better understand the inner processes and deep structure of Lascar, the local broad-band seismic monitoring network was densified during a temporal installation in 2014–2015. Herein, we focus on the local seismicity during the 2014–2015 unrest episode, during which we recorded numerous seismic events mainly classified as long-period (LP) type, but also denote volcano-tectonic (VT) activity. Specifically, a long-lasting phase of LP activity is observed over a period of ∼14 months that starts in tandem with a pulse of VT activity. The LP rate and amplitude are modulated over time; they are lower in the initial phase, rise during the intermediate period from October 2014 to July 2015, and finally slowly decay while approaching the eruption time. The location of LPs is challenging due to the typical lack of clear seismic onsets. We thus encompass this problem by comparing a broad range of different standard and novel location techniques to map the source region of LPs by fitting the amplitude decay, polarization patterns, coherence of characteristic functions and cross-correlation differential times. As a result, we principally constrain LP locations within the first 5 km depth below the summit extending downward along a narrow, conduit-like path. We identify different regions of complexity: VTs dominate at depth, both VTs and LPs cluster in an intermediate depth region (down to 1.5 km), suggesting a change in the plumbing system geometry, and LPs dominate the shallowest region. Based on these results, we infer the presence of a subvertical conduit extending down to a depth of ∼5 km, and a region of path divergence, possibly accommodating a magma plumbing system, at a depth of ∼3 km beneath the volcano summit. Identifying the locations of complexities in the magma pathways at Lascar may help identify future unrest. The results are compared with independent observations, demonstrating the strength of the location method used herein that will be tested at volcanoes elsewhere.
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Brown, Tiffany A., Pamela K. Keel, and Ruth H. Striegel. "Feeding and Eating Conditions Not Elsewhere Classified (NEC) inDSM-5." Psychiatric Annals 42, no. 11 (November 1, 2012): 421–25. http://dx.doi.org/10.3928/00485713-20121105-08.

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Louis, David N., Pieter Wesseling, Werner Paulus, Caterina Giannini, Tracy T. Batchelor, J. Gregory Cairncross, David Capper, et al. "cIMPACT-NOW update 1: Not Otherwise Specified (NOS) and Not Elsewhere Classified (NEC)." Acta Neuropathologica 135, no. 3 (January 25, 2018): 481–84. http://dx.doi.org/10.1007/s00401-018-1808-0.

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Smith, D. G. W., and E. H. Nickel. "Codification of unnamed minerals." Mineralogical Magazine 71, no. 5 (October 2007): 587–89. http://dx.doi.org/10.1180/minmag.2007.071.5.587.

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AbstractThe Subcommittee for Unnamed Minerals of the IMA Commission on New Minerals, Nomenclature and Classification (CNMNC, formerly CNMMN) has developed a codification system that includes the year of publication and qualitative chemical composition for unnamed minerals reported in the literature. Such minerals are divided into two categories: (1) those regarded as being ‘valid as unnamed minerals’ are those that do not correspond to existing species, have not been reported previously and whose published descriptions enable them to be recognized if found elsewhere. (2) Unnamed minerals regarded as being ‘invalid as unnamed minerals’ are those whose published descriptions are inadequate for their confident recognition if found elsewhere, or which correspond to existing mineral species or unnamed minerals published previously.
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2015 Program Committee, BRASS. "From Committees of RUSA: BRASS Program: Not Elsewhere Classified: Researching New and Niche Industries." Reference & User Services Quarterly 55, no. 2 (December 16, 2015): 156. http://dx.doi.org/10.5860/rusq.55n2.156.

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The Business Research and Services Section (BRASS) 2015 program was directed to business research professionals who may be stymied by researcher requests related to newer or niche industries. In a stimulating ninety-minute session, two top research professionals informed, confronted and engaged their American Library Association (ALA) audience with their well-paced array of smart search strategies and sources designed to meet industry challenges. The presentation was effective in identifying research workaround strategies and tying real industry problems with practical, on-the-job solutions.The material provided here and the bibliography of sources may serve as additional resources for emerging industry queries of library users. The BRASS program presentation is available via this ALA conference website (http://alaac15.ala.org/node/28603).
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Burford, C., R. Laxton, Z. Sidhu, M. Aizpurua, A. King, I. Bodi, K. Ashkan, and S. Al-Sarraj. "ATRX immunohistochemistry can help refine ‘not elsewhere classified’ categorisation for grade II/III gliomas." British Journal of Neurosurgery 33, no. 5 (April 24, 2019): 536–40. http://dx.doi.org/10.1080/02688697.2019.1600657.

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Dakskobler, Igor, Andrej Martinčič, and Daniel Rojšek. "Phytosociological Analysis Of Communities With Adiantum Capillusveneris In The Foothills Of The Julian Alps (Western Slovenia)." Hacquetia 13, no. 2 (December 1, 2014): 235–58. http://dx.doi.org/10.2478/hacq-2014-0016.

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Abstract We conducted a phytosociological study of the communities hosting the rare and endangered fern Adiantum capillus-veneris in the foothills of the Julian Alps, in Karst and in Istria. Based on a comparison with similar communities elsewhere in the southern Alps (northern Italy) we classified most of the recorded stands into the syntaxa Eucladio-Adiantetum eucladietosum and -cratoneuretosum commutati. Releves from the southern Julian Alps, located in comparatively slightly colder and moister local climate and the dolomite bedrock are classified into the new subassociation -hymenostylietosum recurvirostri subass. nova. Stands with the abundant occurrence of the liverwort Conocephalum conicum, are classified in to the new subassociation -conocephaletosum conici subass. nova. Stands in conglomerate rock shelters along the Soča at Solkan are classified into the new association Phyteumato columnae-Adiantetum ass. nova, a community of transitional character between the classes Adiantetea capilli-veneris and Asplenietea trichomanis.
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Bevins, R. E. "Pumpellyite-dominated metadomain alteration at Builth Wells, Wales–evidence for a fossil submarine hydrothermal system?" Mineralogical Magazine 49, no. 352 (June 1985): 451–56. http://dx.doi.org/10.1180/minmag.1985.049.352.15.

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AbstractTwo metamorphic alteration styles have been observed in basic lavas and volcaniclastic rocks of the Builth Volcanic Series of Ordovician age exposed at Llanelwedd Quarry, in the Builth lnlier, Wales. The first alteration style is characterized by the development of a mineral assemblage comprising albite+chlorite+ sphene+ pumpellyite ± prehnite ± calcite ± white mica, although original textures are largely preserved. This alteration pattern corresponds with that developed in volcanic and volcaniclastic rocks elsewhere in Wales, and which is attributed to the effects of burial. The second alteration style is characterized by the development of metadomains dominated by pumpellyite or, more rarely, prehnite. In the metadomains no original textures are seen in hand specimen. This alteration pattern has, so far, not been observed elsewhere in Wales, and it is here suggested that it might result from a submarine hydrothermal circulation system.
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Garanča, Biruta. "THE STRUCTURE OF MACHINERY BUILDING IN LATGALE AND PERSPECTIVES OF ITS DEVELOPMENT." Latgale National Economy Research 1, no. 1 (June 30, 2009): 53. http://dx.doi.org/10.17770/lner2009vol1.1.1761.

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The financial facility of development of machinery building in Latgale is expected in manufacturing of electrical and optical equipment and in production of metal and metal ware. At present the proportion of production of leading machinery and equipment non-classified elsewhere, as well as of production of transport means has a tendency to reduce and also they have lesser probability to manage the financial crisis.
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Goldberg, David. "Should our major classifications of mental disorders be revised?" British Journal of Psychiatry 196, no. 4 (April 2010): 255–56. http://dx.doi.org/10.1192/bjp.bp.109.072405.

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SummaryOur major classification systems (DSM and ICD) face three main problems: the high rates of ‘comorbidity’ that are produced by our present diagnostic rules, the increasing use of ‘not elsewhere classified’ (NEC) by practising clinicians, and the fact that each new edition is longer and more complex than the one preceding it. A major simplification of the chapter structure used by each classification might pave the way to address these problems.
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Dissertations / Theses on the topic "Geochemistry not elsewhere classified"

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Sochting, Sven. "The effects of operating conditions on the hydrodynamic lubricant film thickness at the piston-ring/cylinder liner interface of a firing diesel engine." Thesis, University of Central Lancashire, 2009. http://clok.uclan.ac.uk/21027/.

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Conventional investigations into the performance of piston-rings in internal combustion engines are performed at relatively low speeds and consider only steady state operation conditions. Loss of power in internal combustion (IC) engines is becoming an increasing issue when they are operated at high engine speeds. This project is directed at developing technology to establish whether this phenomenon is influenced by a lubricant related effect. In a normal operating environment automotive engines typically operate under transient operating conditions. These rapid changes in operation conditions may influence the thickness of the hydrodynamic film which lubricates the interfaces between the piston-ring and liner. During this project two capacitance methods were employed in a fired compression ignition engine, an amplitude modulated (AM) system originally developed by Grice and a new "high speed" capacitance technique based on a frequency modulated principle. The first part of this thesis is concerned with the development and implementation of a new apparatus suitable for measuring the thickness and extent of the hydrodynamic oil film which lubricates the piston-rings and liner. The nature of the working principle of the high speed capacitance measurement system required the design, manufacture, assembly and commissioning of a novel dynamic calibration apparatus. The new system can also be used for static calibration (AM system) of capacitance based distance measuring systems. It uses a manufacturer calibrated closed loop controlled piezo-actuator to present a target relative to the sensor face. Some previous investigations concluded a stable oil film thickness. However, this work shows that there are cyclic variations of the oil film thickness OFT on a stroke to stroke and cycle to cycle basis. A series of measurements was conducted under various fixed speed load points. The effects of using lubricants of different viscosity on the minimum (OFT) between liner and piston ring have been little studied and this work shows that it was possible to speciate measurements of different lubricants. This thesis also describes a measurement of the oil film thickness during abrupt changes in engine operating conditions.
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Mugglestone, Hilda. "Peer assisted learning in the acquisition of musical composition skills." Thesis, University of Lincoln, 2006. http://eprints.lincoln.ac.uk/2471/.

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The purpose of the study was to discover the effects of using peer assisted learning in acquiring skills in music composition. The ten criteria used for assessing the effects of peer assisted learning comprised six concerning social qualities and four relating to cognitive aspects of what might be learned from working and learning together. The research used both qualitative and quantitative methods, encompassing interviews with the teacher, questionnaires for the students and observation. The latter included a quantitative element. The research took place in the natural settings of timetabled music lessons in Year Seven at an English comprehensive secondary school. This peer assisted learning research is believed to be the only such project conducted entirely in the unadulterated classroom settings. The lessons followed the teacher’s choice of lesson material and the length of time normally allowed for lessons in that school. No changes in classroom organisation, timing, or for any other reason were requested by, or made for, the researcher. Each class was divided into groups whose size, ability and gender were determined by the teacher. From these groups, the teacher selected the three which were the focus of this research. All three of the sample groups showed some evidence of the beneficial effects of peer assisted learning socially and cognitively although this varied according to the children’s different ability levels. Peer assisted learning was found to be most successful where children were able to work together cohesively and communicate well, either verbally or musically. Most children either acquired new musical skills or enhanced those they already possessed through the use of peer assisted learning.
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(5930270), Mehdi Shishehbor. "Numerical Investigation on the Mechanical Properties of Neat Cellulose Nanocrystal." Thesis, 2020.

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Nature has evolved efficient strategies to make materials with hierarchical internal structure that often exhibit exceptional mechanical properties. One such example is found in cellulose, which has achieved a high order of functionality and mechanical properties through a hierarchical structure with an exceptional control from the atomic level all the way to the macroscopic level. Cellulose is present in a wide variety of living species (trees, plants, algae, bacteria, tunicates), and provides the base reinforcement structure used by organisms for high mechanical strength, high strength-to-weight ratio, and high toughness. Additionally, being the most abundant organic substance on earth, cellulose has been used by our society as an engineering material for thousands of years, and are prolific within our society, as demonstrated by the enormity of the world-wide industries in cellulose derivatives, paper/packaging, textiles, and forest products.

More recently, a new class of cellulose base particles are being extracted from plants/trees, cellulose nanocrystals (CNCs), which are spindle-shaped nano-sized particles (3 ̶ 20 nm in width and 50 ̶ 500 nm in length) that are distinct from the more traditional cellulose materials currently used (e.g. molecular cellulose and wood pulp). They offer a new combination of particle morphology, properties and chemical functionalities that enable CNCs for use in applications that were once thought impossible for cellulosic materials.

CNCs have shown utility in many engineering applications, for example, biomedical, nanocomposites, barrier/separation membranes and cementitious materials. To gain greater insight as to how best use CNCs in various engineering application areas, a comprehensive understanding of the mechanics of CNCs is needed. The characterization of the mechanical properties of nanomaterials via experimental testing has always been challenging due to their small size, resulting in large uncertainties related to testing near sensitivity limits of a given technique, the same is true when characterizing CNCs. For CNCs, to help offset limitations in experimental testing, numerical modeling has been useful in predicting the mechanical properties of CNCs. We present a continuum-based structural model to study the mechanical behavior of cellulose nanocrystals (CNCs), and analyze the effect of bonded and non-bonded interactions on the mechanical properties under various loading conditions. In particular, this model assumes the uncoupling between the bonded and nonbonded interactions and their behavior is obtained from atomistic simulations.

For large deformations and when there is interaction and dynamics of many particles involved, continuum models could become as expensive as MD simulations. In addition, it has been shown that traditional material models in the continuum mechanics context, cannot model all the mechanical properties of CNC, especially for large deformation. To overcome these setbacks and to be able to model real size of CNC, 50-1000 nm, and/or to increase the number of particles involved in the simulation, a so called ‘‘coarse-grained’’ (CG) model for mechanical and interfacial properties of CNC is proposed. The proposed CG model is based on both mechanical properties and crystal-crystal interactions. Parametrization of the model is carried out in comparison with all-atom (AA) molecular dynamics and experimental results of some specific mechanical and interfacial tests.

Subsequently, verification is done with other tests. Finally, we analyze the effect of interface properties on the mechanical performance of CNC-based materials including, bending of a CNC bundle, tensile load and fracture in bioinspired structure of CNCs such as staggered brick-and-mortar and Bouligand structures of interest.
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(5930396), Jack D. Williams. "Magnetically-Coupled Circuits Systems for Wireless Excitation of Passive Stimulators for Stimulation Therapies and Application as a Treatment for Glaucoma." Thesis, 2019.

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The practice of delivering an electrical current waveform to an excitable tissue such as a structure in the brain, nerve fiber, or muscle to relieve the symptoms of disease constitutes an electrical stimulation therapy. Electrical stimulation therapies supported by implantable devices provide effective treatment options for people suffering from treatment-resistant chronic diseases that often fail to respond to medication and other traditional therapies [1, 2]. However, implantable electrical stimulators traditionally approved by the Food and Drug Administration (FDA) use implanted batteries that require surgical replacement over years of operation and limit therapies to applications with minimal constraints on implant mass, volume, and rigidity [3, 4]. Previous works have proposed to eliminate batteries in implantable stimulators by using magnetically-coupled coils to deliver energy through radio-frequency (RF) fields, exciting alternating currents on implantable devices to be converted into stimulus pulses by rectifiers [5, 6]. Implantable stimulators without batteries may be excited by an alternative theory of operation without the use of RF fields that eliminates the need for a rectifier and permits stimulators with minimal complexity.

This work proposes an original use of magnetically-coupled circuits theory for the wireless excitation of electrical stimulation current waveforms on passive stimulators that eliminates the need for an implanted battery. The principle of the technique is to drive stimulation current waveforms on passive stimulators with electromotive forces excited by applied time-varying magnetic fields via the phenomena described by Faraday’s law of induction [7-9]. The proposed systems require a wearable driving component and a passive driven component that may either be worn or implanted. The wearable driving component must include a battery, pulse-generating circuitry, and a primary coil, whereas the driven component is a passive device requiring only a secondary coil with electrodes to contact tissue. The pulse-generating circuitry of the driving component may be implemented readily such that the design of the coils defines the challenge in the implementation of the proposed systems. The design of the coils for the proposed systems presents the potential for a nontrivial optimization problem with conflicting objectives; possible objectives for the design of the coils include maximizing the attainable peak amplitudes of the stimulation currents, obtaining various characteristics of a desired stimulation current waveform, and minimizing the variation of the stimulation currents with varying displacements between the coils. The problem posed by the design of the coils for the proposed systems is addressed by direction obtained from theoretical analyses and experiments performed in this work that supplement direction from the literature [5, 10-12]. The potential utility of the proposed theory of operation is demonstrated by enabling the first chronic electrical stimulation therapy for glaucoma, the leading cause of irreversible blindness worldwide. The system designed for the glaucoma stimulation therapy and the methods used to quantify its electrical performance are presented along with data from experimental therapeutic trials with human participants.

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(8100836), Moustapha Moussa. "INNOVATIVE MILLET FOODS TO IMPROVE NUTRITION AND EXPAND MARKETS IN WEST AFRICA." Thesis, 2019.

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Abstract Sorghum and millet crops are the staple foods for most people in the Sahelian region of West Africa. Preparation of millet and sorghum foods are labor-intensive and time-consuming. This thesis work was conducted with the goal of developing competitive and innovative processes to make better quality and higher quantity of extruded couscous, and instant, or fast cooking, millet food products to improve markets for smallholders’ famers, improve nutrition, and to meet the changing demands of local consumers in West Africa. Processing conditions, of a low-cost single screw mini-extruder were assessed and optimized. The process has the advantage of shortening production steps, and time, of making number of products with appealing appearance, good taste, and texture, and designed for the preferences of local consumers. The products can be reconstituted by adding hot or tap water. Results of the first study on a newly developed extruded couscous indicated that consumers in general preferred it, that it was fast cooking couscous, and credited it to be smoother in texture than the traditionally-prepared couscous. It had 10x the daily yield as couscous typically prepared for commercial sale by women in a processing unit. The smoother texture was attributed to the presence of starch fragments of somewhat lower molecular size, than in the control couscous, as illustrated by size-exclusion chromatography analysis of the hot-water dispersed starch. In the second study, the extruder was used to make instant porridge flour, and locally available roasting process was optimized to make a fast cooking porridge flour, and each flour was formulated using natural and locally obtained plant fortificants to nutritionally enhance cereal-legume-fortified flours. Results of consumers sensory tests and textural characterization by RVA and dynamic oscillatory rheometry of fortified porridge samples revealed that the innovated formulas had better viscosity, taste, and flavor, and were more preferred by children and their mothers than food aid vitamin-mineral premix fortified flours distributed at rural government health centers. Bioaccessibility of provitamin A carotenoid and lycopene derivatives, including lutein, α- and β-carotenes, using an in vitro digestion system coupled with a HPLC-C30SHORT column, shown that the formulated fortified flour samples had high bioaccessibility values of provitamin A carotenoids, lutein, and α- and β-carotenes. In the third study, rheological results indicated that instant tuwo (thick) and fura (thin) porridges had better viscosity and textural attributes (creamy, elastic, gelling) compared to traditional corresponding porridges. In the fourth

study, a home use testing (HUT) of instant tuwo and fura porridges in Niamey, Niger indicated that overall consumers’ acceptability was good. In a market test conducted in Niamey over 20 weeks, in collaboration with local cereal processors and distributors, showed repeat purchases with good frequency of sale of instant tuwo and fura porridges that have generated about 1/3 in total sales of 35 products related millet and cereal based foods in the period. In conclusion, the low-cost single screw extruder has the potential to catalyze and increase demand and diversification of uses of millet grains, to develop market-driven nutritious and healthy grain-based foods, to benefit smallholders’ farmers, and favor growth of small- and medium-scale entrepreneur processors in West Africa.

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Books on the topic "Geochemistry not elsewhere classified"

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Britain, Great. Miscellaneous Manufacturing Not Elsewhere Classified. Stationery Office Books, 1996.

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Britain, Great. Manufacture of Electrical Equipment Not Elsewhere Classified. Stationery Office Books, 1996.

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Office, Central Statistical. Manufacture of Domestic Appliances Not Elsewhere Classified. Stationery Office Books, 1996.

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Britain, Great. Manufacture of Other Transport Equipment Not Elsewhere Classified. Stationery Office Books, 1996.

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Grant, Jon E., and Marc N. Potenza. Overview of the Impulse Control Disorders Not Elsewhere Classified and Limitations of Knowledge. Edited by Jon E. Grant and Marc N. Potenza. Oxford University Press, 2012. http://dx.doi.org/10.1093/oxfordhb/9780195389715.013.0012.

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Several disorders have been classified together in the American Psychiatric Association’s Diagnostic and Statistical Manual (4th ed.; DSM-IV) as impulse control disorders not elsewhere classified. These impulse control disorders have been grouped together based on perceived similarities in clinical presentation and hypothesized similarities in pathophysiologies. The question exists whether these disorders belong together or whether they should be categorized elsewhere. Examination of the family of impulse control disorders generates questions regarding the distinct nature of each disorder: whether each is unique or whether they represent variations of each other or other psychiatric disorders. Neurobiology may cut across disorders, and identifying important intermediary phenotypes will be important in understanding impulse control disorders and related entities. The distress of patients with impulse control disorders highlights the importance of examining these disorders. More comprehensive information has significant potential for advancing prevention and treatment strategies for those who suffer from disorders characterized by impaired impulse control.
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Group, Research, and The Agricultural Chemicals Not Elsewhere Classified Research Group. The 2000-2005 World Outlook for Agricultural Chemicals Not Elsewhere Classified (Strategic Planning Series). 2nd ed. Icon Group International, 2000.

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Group, Research, and The Space Vehicle Equipment Not Elsewhere Classified Research Group. The 2000-2005 World Outlook for Space Vehicle Equipment Not Elsewhere Classified (Strategic Planning Series). 2nd ed. Icon Group International, 2000.

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Canada. Occupational Analysis and Classification Systems Division., ed. Canadian classification and dictionary of occupations, occupations in major groups: 91, transport equipment operating, 93, material handling, 95, other crafts and equipment operating, 99, occupations not elsewhere classified. [Ottawa]: Employment and Immigration Canada, 1986.

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Mataix-Cols, David, and Odile A. van den Heuvel. Neuroanatomy of Obsessive Compulsive and Related Disorders. Edited by Gail Steketee. Oxford University Press, 2012. http://dx.doi.org/10.1093/oxfordhb/9780195376210.013.0027.

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Obsessive-compulsive disorder (OCD) shares features and often co-occurs with other anxiety disorders, as well as with other psychiatric conditions classified elsewhere in the Diagnostic and Statistical Manual (DSM-IV), the so-called “OCD spectrum disorders.” Neurobiologically, it is unclear how all these disorders relate to one another. The picture is further complicated by the clinical heterogeneity of OCD. This chapter will review the literature on the common and distinct neural correlates of OCD vis-à-vis other anxiety and “OCD spectrum” disorders. Furthermore, the question of whether partially distinct neural systems subserve the different symptom dimensions of OCD will be examined. Particular attention will be paid to hoarding, which is emerging as a distinct entity from OCD. Finally, new insights from cognitive and affective neuroscience will be reviewed before concluding with a summary and recommendations for future research.
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Watson, Francis. A Gospel of the Eleven. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198814801.003.0010.

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A perceived inadequacy in existing post-resurrection narratives seems to have inspired the second-century author of the Epistula Apostolorum to compose a comprehensive post-resurrection dialogue. In this—after securing with some difficulty their acceptance that he is truly alive—Jesus answers his disciples’ wide-ranging questions mainly about issues of eschatology and mission. Also present in this text are retrospective summaries of his descent from the heavenly world and his earthly career. While this important though neglected text may usefully be classified with works in a similar format, from Nag Hammadi and elsewhere, its primary affinities are with the traditions of Jesus’ earthly career reflected in Matthew, Luke, and especially John. In particular, the Johannine account of Easter Day and its aftermath provides the author not so much with a normative exemplar as with a source that he exploits freely and critically to develop his proto-orthodox theological agenda.
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Book chapters on the topic "Geochemistry not elsewhere classified"

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Reid, William H. "Psychotic Disorders Not Elsewhere Classified." In The Treatment of Psychiatric Disorders, 200–203. Routledge, 2018. http://dx.doi.org/10.4324/9781315825908-20.

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Wicoff, James S. "Speech Disorders Not Elsewhere Classified." In The Treatment of Psychiatric Disorders, 41. Routledge, 2018. http://dx.doi.org/10.4324/9781315825908-9.

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Reid, William H. "Impulse Control Disorders Not Elsewhere Classified." In The Treatment of Psychiatric Disorders, 314–20. Routledge, 2018. http://dx.doi.org/10.4324/9781315825908-28.

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Chirikure, S. "Geochemistry of Ancient Metallurgy: Examples from Africa and Elsewhere." In Treatise on Geochemistry, 169–89. Elsevier, 2014. http://dx.doi.org/10.1016/b978-0-08-095975-7.01214-6.

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"Commodities and transactions not classified elsewhere in the SITC." In International trade statistics yearbook 2013, Volume II: trade by commodity, 421–23. UN, 2014. http://dx.doi.org/10.18356/077e9000-en.

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"Commodities and transactions not classified elsewhere in the SITC." In International trade statistics yearbook 2012, Volume II, 421–24. UN, 2014. http://dx.doi.org/10.18356/931bb080-en.

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"Commodities and transactions not classified elsewhere in SITC (SITC Section 9)." In International Trade Statistics Yearbook 2016, Volume II, 421–23. UN, 2018. http://dx.doi.org/10.18356/427326e2-en.

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"Commodities and transactions not classified elsewhere in SITC (SITC Section 9)." In International Trade Statistics Yearbook (Ser. G), 281–83. UN, 2020. http://dx.doi.org/10.18356/d7dd1d94-en.

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"Commodities and transactions not classified elsewhere in SITC (SITC Section 9)." In International Trade Statistics Yearbook (Ser. G), 283–85. UN, 2019. http://dx.doi.org/10.18356/e4cdf10c-en.

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"Commodities and transactions not classified elsewhere in SITC (SITC Section 9)." In International Trade Statistics Yearbook (Ser. G), 421–24. UN, 2015. http://dx.doi.org/10.18356/3866a019-en.

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Conference papers on the topic "Geochemistry not elsewhere classified"

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Shibutani, Tadahiro, Tetsu Tsuruga, Qiang Yu, and Masaki Shiratori. "Interface Strength Between Sub-Micron Thin Films in Opening and Sliding Delamination Modes." In ASME 2002 International Mechanical Engineering Congress and Exposition. ASMEDC, 2002. http://dx.doi.org/10.1115/imece2002-39631.

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Delamination between thin films is classified into two types: opening mode and sliding mode. Corresponding to each mode, there is the interface strength between thin films. This paper aims to evaluate interface strength between the sub-micron thin films for opening mode and sliding mode, respectively. We already developed the evaluation method of interface fracture toughness for opening mode on the basis of fracture mechanics concept elsewhere. Moreover, the evaluation method of sliding mode is proposed and the interface strength between thin films for an advanced LSI is evaluated as the fracture toughness by using both methods. In both modes, the stress singularity appears in the vicinity of the edge of interface and governs the delamination. The criterion of crack initiation for each mode is evaluated as the interface toughness. The fracture toughness at the edge of interface in sliding mode is lower than that in opening mode.
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2

Phukan, Madhujya L., Saad A. Siddiqi, Abdulla Alblooshi, Maryam Alshehhi, Ashis Shashanka, Hu Guangcheng, and Sultan Almarzooqi. "Sedimentology, Geochemistry, and Reservoir Potential of the Organic-Rich Tuwaiq Mountain, Hanifa and Jubaila Formations, Abu Dhabi, UAE." In Abu Dhabi International Petroleum Exhibition & Conference. SPE, 2021. http://dx.doi.org/10.2118/208097-ms.

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Abstract Objectives/Scope: The late Callovian to early Kimmeridigian deposited Tuwaiq Mountain, Hanifa and Jubaila Formations are among the most prolific source rocks in the middle east. These sediments have recently been considered as potential unconventional gas reservoir in UAE. This study integrates sedimentological, structural, geochemical and pore-scale datasets to provide a better understanding of the depositional framework and its effects on the reservoir properties. Methods, Procedures, Process: Dunham Classification (1962) which was later modified by Embry & Klovan (1971) is the basis of the descriptive lithofacies scheme used to characterize the organic-rich carbonate sediments. The association of these classified lithofacies based on their genetic relationship reflects their corresponding depositional environments. Petrographical and geochemical assessment including Rock-Eval pyrolysis were performed on selected samples. Mineralogical assessment was performed via whole-rock and clay-fraction XRD analysis, whereas pore-scale fabric/textural investigations were performed via conventional transmitted light microscopy and SEM using backscattered electron mode BS-SEM. Results, Observations, Conclusions: Sedimentological characterization of mud-dominated carbonate sediments indicates that they accumulated in a clastic starved, intrashelf basinal setting. The lack of textural variation is observed, highlighted by the dominance of mudstones noted across the Tuwaiq Mountain Fm., Hanifa and Jubaila Formations. Wackestones are the second most abundant texture observed. Wacke-packstones and packstones are rare but are present in the Tuwaiq Mountain Formation. also dominated by mudstone textures show presence of wackestones in form of thin beds. The occurrences of planktonic foraminifera along with thin shelled bivalves further emphasizes the low-energy, distal depositional setting. A quantitative description of the nature, density, and trends of the fracture network highlights the tectonic and structural history of the sediments. A certain degree of brittleness is associated with the organic-rich sediments, which is evident from the mineralogical analysis showing the abundance of calcite (>82%). Rock-Eval data revealed high TOC content of the sediments. An evaluation of the HI and Tmax indicates that the sediments are dominantly gas prone (HI<150mg HC/g TOC). Based on the calculated reflectance data (Ro: 0.06-3.30), the sediments display varied levels of thermal maturity, from immature to over mature. The vitrinite reflectance equivalent (%VRE) values assessed from microscopic investigations a range between 1.24-1.64, with the lower values suggesting late maturity with wet (condensate) gas generation and the higher values suggesting post maturity with dry gas generation. The TOC and TRA data highlight that the organic-rich, laminated mudstones associated with the Hanifa and Tuwaiq Mountain Formations have the highest TOC values (up to 4.25wt%) and the highest bulk volume (up to 3.39 %BV). It is also noted that the petroleum storage potential in these sediments largely resides with the mineral matrix pores along with the porosity hosted by the organic matter, which has been assessed by BS-SEM analysis. Novel/Additive Information: This integrated approach sheds light on the development of unconventional gas reservoirs. In addition, this study shows how the changes in depositional environment may have controlled the organic matter preservation. For a plausible way forward, this current understanding may be extrapolated to uncored intervals for representativeness.
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3

Abu-Mahfouz, Israa S., Garri Gaus, Sebastian Grohmann, Jop Klaver, Joe Cartwright, Erdem Idiz, Ralf Littke, Janos L. Urai, Tadeusz Patzek, and Volker Vahrenkamp. "Improved Understanding of Hydrocarbon Expulsion and Associated Fracturing During Successive Stages of Maturation: Insights from the Artificial Maturation of Organic-Rich, Immature to Early Mature Source Rocks." In International Petroleum Technology Conference. IPTC, 2022. http://dx.doi.org/10.2523/iptc-21895-ms.

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Abstract Organic-rich carbonate mudrocks are among the most important petroleum source rocks in the world, sourcing most of the hydrocarbons of Arabia and many other oil provinces. Hydrocarbon generation and migration in organic-rich carbonate source rocks and the governing geological processes have previously been widely discussed. However, only a few studies focus on the early mobilisation of initial bitumen and its relationship to pore space and fracture development during early maturation. We investigated these initial stages in petroleum generation and primary migration in the organic-rich, immature to early mature (<0.6 VRE) Upper Cretaceous source rocks of Jordan, both observationally on samples from 15 subsurface cores and experimentally through artificial maturation and pyrolysis of carefully selected unfractured samples. Both sets of samples (untreated and artificially matured) were examined using optical microscopy, BIB-SEM (Broad Ion Beam-Scanning Electron Microscopy) and micro-CT scanning and analysed for their geochemistry (Total Organic Carbon; TOC, sulphur content and maturity). The rocks are mainly composed of carbonate minerals and Type II-S kerogen, with a TOC of 16 wt.% on average and relatively high total sulphur contents (2.08 - 7.39 wt.%). The organic matter has a high capacity for oil generation, based on its high Hydrogen Index (HI) of up to 852 mg HC/gTOC. Observations from the untreated core samples show that early-expelled hydrocarbons either disseminate in the host rock filling primary matrix porosity or existing fractures/microfractures. Our sequential artificial maturation experiments provide insights into the mechanisms and pathways of both the hydrocarbon expulsion and fracturing that could be expected under continued burial and natural maturation. After one week of pyrolysis, a significant part of the organic matter has been converted to hydrocarbons and mobilised through the remaining primary porosity, pre-existing microfractures and pore space generated within organic laminae. Thin section and BIB-SEM characterisation indicate that the mobilised bitumen passively invades pre-maturation created fractures or the pore network generated in organic matter during conversion, disturbing rock fabric and creating new migration pathways. This artificially generated bitumen forms bridges between existing kerogen particles and partly create new fractures. The migration pathways mainly propagate parallel to bedding, based on thin sections and BIB-SEM images. The innovative experimental approach utilised in this study creates an improved understanding of hydrocarbon expulsion processes and associated migration during the successive stages of maturation. This, in turn, provides insights into the thermal maturity evolution of source rock sequences in Arabia and elsewhere.
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Stillwell, Ashlynn S., and Michael E. Webber. "Feasibility of Wind Power for Brackish Groundwater Desalination: A Case Study of the Energy-Water Nexus in Texas." In ASME 2010 4th International Conference on Energy Sustainability. ASMEDC, 2010. http://dx.doi.org/10.1115/es2010-90158.

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With dwindling water supplies and the impacts of climate change, many cities are turning to water sources previously considered unusable. One such source for inland cities is brackish groundwater. With prolonged drought throughout Texas, cities such as El Paso, Lubbock, and San Antonio are desalinating brackish groundwater to supplement existing water sources. Similar projects are under consideration elsewhere in Texas. While brackish groundwater contains fewer total dissolved solids than seawater, desalination of brackish groundwater is still an energy-intensive process. Brackish water desalination using reverse osmosis, the most common desalination membrane treatment process, consumes 20 to 40 times more energy than traditional surface water treatment using local water sources. This additional energy consumption leads to increased carbon emissions when using fossil fuel-generated electricity. As a result of concern over greenhouse gas emissions from additional energy consumption, some desalination plants are powered by wind-generated electricity. West Texas is a prime area for desalination of brackish groundwater using wind power, since both wind and brackish groundwater resources are abundant in the area. Most of the Texas Panhandle and Plains region has wind resource potential classified as Class 3 or higher. Additionally, brackish groundwater is found at depths less than 150 m in most of west Texas. This combination of wind and brackish groundwater resources presents opportunities for the production of alternative drinking water supplies without severe carbon emissions. Additionally, since membrane treatment is not required to operate continuously, desalination matches well with variable wind power. Implementing a brackish groundwater desalination project using wind-generated electricity requires economic feasibility, in addition to the geographic availability of the two resources. Using capital and operating cost data for wind turbines and desalination membranes, we conducted a thermoeconomic analysis for three parameters: 1) transmission and transport, 2) geographic proximity, and 3) aquifer volume. Our first parameter analyzes the cost effectiveness of tradeoffs between building infrastructure to transmit wind-generated electricity to the desalination facility versus pipelines to transport brackish groundwater to the wind turbines. Secondly, we estimate the maximum distance between the wind turbines and brackish groundwater at which desalination using wind power remains economically feasible. Finally, we estimate the minimum available brackish aquifer volume necessary to make such a project profitable. Our analysis illustrates a potential drinking water option for Texas (and other parts of the world with similar conditions) using renewable energy to treat previously unusable water. Harnessing these two resources in an economically efficient manner may help reduce future strain on the energy-water nexus.
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Mohamed, Tarek, Carlos Torres-Verdín, and Oliver C. Mullins. "Connectivity Assessment of Heavily Compartmentalized Reservoirs: A New Workflow Introducing Areal Downhole Fluid Analysis and Data Integration." In 2022 SPWLA 63rd Annual Symposium. Society of Petrophysicists and Well Log Analysts, 2022. http://dx.doi.org/10.30632/spwla-2022-0042.

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Hydraulic connectivity assessment is vital to the development of deepwater reservoirs where inaccurate characterization often results in production under-performance. Connectivity realizations are necessary for production forecasting, completion and production planning, and successful waterflood, to name a few. Seismic surveys are not always sufficient to evaluate lateral connectivity as detected faults can be transmissive or partially transmissive. Vertical connectivity represents another uncertainty where, in many cases, pressure measurements and conventional well logs are unable to detect the presence of baffles along oil columns. In moderately complex reservoirs, basic downhole fluid analysis (DFA) workflows have proven adequate to assess reservoir connectivity. However, heavily faulted reservoirs entail a comprehensive interpretation approach to address their abnormal spatial complexity. We describe a new interpretation workflow to evaluate the hydraulic connectivity of heavily compartmentalized reservoirs which comprises three pillars: areal downhole fluid analysis (ADFA), data integration, and reservoir fluid geodynamics (RFG) analysis. The concept of areal downhole fluid analysis (ADFA) is introduced to assess local connectivity leading to global, reservoir-scale connectivity. Through data integration, we analyze laboratory pressure-volume-temperature (PVT) reports, pressure surveys, well logs, and geochemistry, to establish consistency. Each data type provides insights that are pieced together to enhance consistency and reduce uncertainty. Additionally, we examine reservoir fluid geodynamics (RFG) processes that explain the reasons behind varying oil compositions and properties in different compartments, such as oil biodegradation and water washing. Our interpretation workflow provides a robust means for classifying faults into sealing, transmissive, or partially transmissive faults, as well as for detecting sub-seismic faults. The new interpretation workflow is implemented to examine a complex deepwater oil field in the Gulf of Mexico, resulting in a reliable description of hydraulic connectivity. Faults which were previously regarded as sealing faults were classified into sealing or partially transmissive faults. Sub-seismic faults were also detected as part of the interpretation. Additionally, we observed an asphaltene clustering trend that caused high oil viscosities toward the bottom of one sandstone. A correlation formula was derived and successfully used to estimate high oil viscosities where asphaltene clustering was expected.
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Marchenko, Nataliya. "Navigation in the Russian Arctic: Sea Ice Caused Difficulties and Accidents." In ASME 2013 32nd International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/omae2013-10546.

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The 5 Russian Arctic Seas have common features, but differ significantly from each other in the sea ice regime and navigation specifics. Navigation in the Arctic is a big challenge, especially during the winter season. However, it is necessary, due to limited natural resources elsewhere on Earth that may be easier for exploitation. Therefore sea ice is an important issue for future development. We foresee that the Arctic may become ice free in summer as a result of global warming and even light yachts will be able to pass through the Eastern Passage. There have been several such examples in the last years. But sea ice is an inherent feature of Arctic Seas in winter, it is permanently immanent for the Central Arctic Basin. That is why it is important to get appropriate knowledge about sea ice properties and operations in ice conditions. Four seas, the Kara, Laptev, East Siberian, and Chukchi have been examined in the book “Russian Arctic Seas. Navigation Condition and Accidents”, Marchenko, 2012 [1]. The book is devoted to the eastern sector of the Arctic, with a description of the seas and accidents caused by heavy ice conditions. The traditional physical-geographical characteristics, information about the navigation conditions and the main sea routes and reports on accidents that occurred in the 20th century have reviewed. An additional investigation has been performed for more recent accidents and for the Barents Sea. Considerable attention has been paid to problems associated with sea ice caused by the present development of the Arctic. Sea ice can significantly affect shipping, drilling, and the construction and operation of platforms and handling terminals. Sea ice is present in the main part of the east Arctic Sea most of the year. The Barents Sea, which is strongly influenced and warmed by the North Atlantic Current, has a natural environment that is dramatically different from those of the other Arctic seas. The main difficulties with the Barents Sea are produced by icing and storms and in the north icebergs. The ice jet is the most dangerous phenomenon in the main straits along the Northern Sea Route and in Chukchi Seas. The accidents in the Arctic Sea have been classified, described and connected with weather and ice conditions. Behaviour of the crew is taken into consideration. The following types of the ice-induced accidents are distinguished: forced drift, forced overwintering, shipwreck, and serious damage to the hull in which the crew, sometimes with the help of other crews, could still save the ship. The main reasons for shipwrecks and damages are hits of ice floes (often in rather calm ice conditions), ice nipping (compression) and drift. Such investigation is important for safety in the Arctic.
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