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Literatura científica selecionada sobre o tema "Lfgn"

Autor: Grafiati

Publicado: 8 de fevereiro de 2025

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Artigos de revistas sobre o assunto "Lfgn"

Aldossari, Haifa, e Michael Mascagni. "Scrambling additive lagged-Fibonacci generators". Monte Carlo Methods and Applications 28, n.º 3 (4 de agosto de 2022): 199–210. http://dx.doi.org/10.1515/mcma-2022-2115.

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Abstract Random numbers are used in a variety of applications including simulation, sampling, and cryptography. Fortunately, there exist many well-established methods of random number generation. An example of a well-known pseudorandom number generator is the lagged-Fibonacci generator (LFG). Marsaglia showed that the lagged-Fibonacci generator using addition failed some of his DIEHARD statistical tests, while it passed all when longer lags were used. This paper presents a scrambler that takes bits from a pseudorandom number generator and outputs (hopefully) improved pseudorandom numbers. The scrambler is based on a modified Feistel function, a method used in the generation of cryptographic random numbers, and multiplication by a chosen multiplier. We show that this scrambler improves the quality of pseudorandom numbers by applying it to the additive LFG with small lags. The scrambler performs well based on its performance with the TestU01 suite of randomness tests. The TestU01 suite of randomness tests is more comprehensive than the DIEHARD tests. In fact, the specific suite of tests we used from TestU01 includes the DIEHARD tests The scrambling of the LFG is so successful that scrambled LFGs with small lags perform as well as unscrambled LFGs with long lags. This comes at the cost of a doubling of execution time, and provides users with generators with small memory footprints that can provide parallel generators like the LFGs in the SPRNG parallel random number generation package.

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Tasser, Christian, Dave Jackson, Khalil Kairouz e Peter Bokor. "Landfill gas condensate treatment options to eliminate odor issues and to use water for dust control". Water Practice and Technology 15, n.º 3 (21 de maio de 2020): 571–79. http://dx.doi.org/10.2166/wpt.2020.044.

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Abstract A large landfill-gas-to-power facility retained the authors to provide process evaluation and development support for a conceptual design of a landfill gas condensate (LFGC) treatment system to eliminate odor issues and reduce organic loads to the sewer or use the water for dust control. Based on the operational observations and water quality data, the source of the LFGC is moisture from gas generated by the decay of waste in the landfill that is transmitted to the power generation facilities by way of the landfill gas (LFG) collection system. As part of this project, the authors reviewed the data, and this presentation includes recommendations for long-term treatment solutions so that a permanent system can be designed, bid, procured, and installed. The purpose of the abstract is to present the findings of this analysis of LFGC treatment system alternatives to identify practical, commercially available solutions with the primary goal to reduce odor issues related to LFGC both on-site and in the sewer system, and to reduce water usage at the site for dust control. The method to evaluate the various treatment options was based on treatment efficiency, and capital and life-cycle costs. The conclusion was to continue with pilot testing of the most suitable options, which was anaerobic treatment followed by polishing with a moving bed bioreactor (MBBR) to reuse the product water in cooling towers or for dust control.

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Menikdiwela, Kalhara, Benjamin Madura, Mohammad Yosofvand, Shane Scoggin, Joao Pedro Torres Guimaraes, Hanna Moussa e Naima Moustaid-Moussa. "Metabolic Effects of Dietary pH, Protein Source and Fat Content in Diet-induced Obese Mice". Current Developments in Nutrition 6, Supplement_1 (junho de 2022): 1077. http://dx.doi.org/10.1093/cdn/nzac070.036.

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Abstract Objectives Higher intake of saturated fats, salts, and fatty proteins has been linked to metabolic diseases (e.g., obesity), in part through low-grade metabolic acidosis and inflammation. Hence, our objective was to test the effects of protein sources and preparations in diet induced obese B6 male and female mice, compared to low fat-fed mice. We hypothesized that metabolic health will be improved by consuming a diet containing pH-enhanced beef or casein diets, compared to a non-pH-enhanced diets. Methods B6 male and female mice were randomized (n = 10) into 8 diets that differ in protein source, pH enhancement, and fat content: low fat casein (LFC), pH-enhanced (with ammonia) LFC (LFCN), LF lean beef (LFB), LFBN, high fat casein (HFC), HFCN, HF beef (HFB), HFBN. Body weight and food intake were measured weekly for 12 weeks. White adipose tissue (WAT) was collected at study termination and used for histology, RNA and protein isolation for analyses of fat cell size, and gene (qRT-PCR) and protein (Western blotting) expression. Three-way ANOVA was performed to identify main effects as well as interactions of dietary pH x protein source x fat content, separately in males, and females. Results We identified a significant main effect of diet (LF/HF) on fat pad weights in males (F (1,71) = 91.94, p < 0.0001) and females (F (1,72) = 5.111, p = 0.0268). No effect of protein source or change of dietary pH was observed on fat pad weights. However, WAT histology indicated a substantial change in adipose tissue quality, with reduced adipocyte area (p < 0.05) in LF, LFN, HFCN, HFB, HFBN groups compared to HFC in males. Additionally, in both males and females, protein levels of pAkt and pAMPK were upregulated in adipose tissue of mice fed HF diets with increased pH (HFCN, HFBN), compared to non-pH enhanced HF diets. Conclusions Our findings indicate potential metabolic benefits of increasing dietary pH, as shown by improved adipose tissue cellularity and improved insulin signaling and energy sensing/fat oxidation-related markers. Thus, additional research is warranted to determine mechanisms underlying the metabolic effects of pH enhancement. These findings also merit further mechanistic studies in animals, as well as future clinical research to translate our results into humans and dissect interactions between protein source, pH and fat content on metabolic diseases. Funding Sources Empirical Foods.

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Chen, Bin, Lingyan Ruan e Miu-Ling Lam. "LFGAN". ACM Transactions on Multimedia Computing, Communications, and Applications 16, n.º 1 (2 de abril de 2020): 1–20. http://dx.doi.org/10.1145/3366371.

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Yamamoto, T., e J. Fujita. "INCIDENCE AND CLINICAL OUTCOME OF LATERAL FEMORAL CUTANEOUS NERVE INJURY AFTER PERIACETABULAR OSTEOTOMY: A PROSPECTIVE THREE-YEAR FOLLOW-UP STUDY". Orthopaedic Proceedings 105-B, SUPP_12 (23 de junho de 2023): 67. http://dx.doi.org/10.1302/1358-992x.2023.12.067.

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Injury of the lateral femoral cutaneous nerve (LFCN) is one of the known complications after periacetabular osteotomy (PAO) using anterior approach. We previously reported that the incidence of LFCN injury was 48% at 1 year after PAO. However, there was no study examining the sequential changes of LFCN injury status. In this study, we performed a prospective over 3-year follow-up study as to the incidence of LFCN injury as well as its clinical outcomes.This study included 40 consecutive hips in 40 patients (3 males and 37 females) who underwent PAO from May 2016 to July 2018. The mean age at surgery was 36.7 years (17 to 60). The mean observation period was 47.3 months (36 to 69). The incidence and severity of LFCN injury was evaluated, while clinical scores, including the Harris Hip Score (HHS), Short-Form 36 Health Survey (SF-36), and Japanese Orthopaedic Association Hip Disease Evaluation Questionnaire (JHEQ), were also investigated.At 3 years after PAO, LFCN injury was observed in 13 of 40 (33%) patients, in which 7 patients who had a symptom at 1 year have completely recovered. There was no significant difference in the HHS and SF-36 between patients with and without LFCN injury at 3 years. Regarding the JHEQ, a significant difference was recognized in the patient satisfaction and mental score between patients with and without LFCN injury, but there were no significant differences in the other clinical scores.The incidence of LFCN injury gradually decreased to 33% at 3 years after CPO. LFCN injury did not influence the clinician-reported outcome, while it had a negative impact on patient satisfaction and mental score based on the patient-reported outcome.

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Xu, Zhaoyang, Lili Tu, Yanyan Zheng, Xiaohui Ma, Han Zhang e Ming Zhang. "Fine architecture of the fascial planes around the lateral femoral cutaneous nerve at its pelvic exit: an epoxy sheet plastination and confocal microscopy study". Journal of Neurosurgery 131, n.º 6 (dezembro de 2019): 1860–68. http://dx.doi.org/10.3171/2018.7.jns181596.

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OBJECTIVEMeralgia paresthetica is commonly caused by mechanical entrapment of the lateral femoral cutaneous nerve (LFCN). The entrapment often occurs at the site where the nerve exits the pelvis. Its optimal surgical management remains to be established, partly because the fine architecture of the fascial planes around the LFCN has not been elucidated. The aim of this study was to define the fascial configuration around the LFCN at its pelvic exit.METHODSThirty-six cadavers (18 female, 18 male; age range 38–97 years) were used for dissection (57 sides of 30 cadavers) and sheet plastination and confocal microscopy (2 transverse and 4 sagittal sets of slices from 6 cadavers). Thirty-four healthy volunteers (19 female, 15 male; age range 20–62 years) were examined with ultrasonography.RESULTSThe LFCN exited the pelvis via a tendinous canal within the internal oblique–iliac fascia septum and then ran in an adipose compartment between the sartorius and iliolata ligaments inferior to the anterior superior iliac spine (ASIS). The iliolata ligaments newly defined and termed in this study were 2–3 curtain strip–like structures which attached to the ASIS superiorly, were interwoven with the fascia lata inferomedially, and continued laterally as skin ligaments anchoring to the skin. Between the sartorius and tensor fasciae latae, the LFCN ran in a longitudinal ligamental canal bordered by the iliolata ligaments.CONCLUSIONSThis study demonstrated that 1) the pelvic exit of the LFCN is within the internal oblique aponeurosis and 2) the iliolata ligaments form the part of the fascia lata over the LFCN and upper sartorius. These results indicate that the internal oblique–iliac fascia septum and iliolata ligaments may make the LFCN susceptible to mechanical entrapment near the ASIS. To surgically decompress the LFCN, it may be necessary to incise the oblique aponeurosis and iliac fascia medial to the LFCN tendinous canal and to free the iliolata ligaments from the ASIS.

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Ozaki, Yu, Tomonori Baba, Yasuhiro Homma, Hiroki Tanabe, Hironori Ochi, Sammy Bannno, Taiji Watari e Kazuo Kaneko. "Preoperative ultrasound to identify distribution of the lateral femoral cutaneous nerve in total hip arthroplasty using the direct anterior approach". SICOT-J 4 (2018): 42. http://dx.doi.org/10.1051/sicotj/2018037.

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Introduction: Recently, the branching pattern of the lateral femoral cutaneous nerve (LFCN) named Fan type has been reported that LFCN injury cannot be avoided in surgical dissections that use the direct anterior approach to the hip joint in the cadaveric study. We hypothesized that the Fan type can be identified by ultrasound The aim of this study was to investigate whether LFCN injury occurs in DAA-THA in cases identified as the Fan type based on preoperative ultrasound of the proximal femur. Methods: Ultrasonography of the proximal femur on the surgical side was performed before surgery and the LFCN distribution was judged as the Fan type or Non-Fan type. A self-reported questionnaire was sent to the patients at two months after surgery, and the presence or absence of LFCN injury was prospectively surveyed. Results: After application of exclusion criteria, 45 hips were included. LFCN injury was observed after surgery in 9 of the 10 patients judged as the Fan type based on the ultrasound of the proximal femur (positive predictive value: 90%), and no LFCN disorder was actually observed in 25 of the 26 patients judged as Non-Fan type (specificity: 96.2%). Conclusions: To prevent injury of the LFCN in patients judged as the Fan type on the ultrasound test before surgery, the risk of direct injury of the LFCN may be reduced through the approach in which an incision is made in the fascia which is opposite to the radial spreading, i.e., between the sartorius and tensor fasciae latae muscles or slightly medial from it.

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Ozaki, Yu, Yasuhiro Homma, Tomonori Baba, Kei Sano, Asuka Desroches e Kazuo Kaneko. "Spontaneous healing of lateral femoral cutaneous nerve injury and improved quality of life after total hip arthroplasty via a direct anterior approach". Journal of Orthopaedic Surgery 25, n.º 1 (1 de janeiro de 2017): 230949901668475. http://dx.doi.org/10.1177/2309499016684750.

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Purpose: How the symptomatology of lateral femoral cutaneous nerve (LFCN) injury changes after total hip arthroplasty (THA) via direct anterior approach (DAA) is not known. Our hypothesis was that the symptoms of LFCN injury after THA via DAA in longer follow-up periods would resolve spontaneously, leading to an improved quality of life (QOL). The aims of this study were to investigate how the symptom LFCN injury changed after DAA–THA, and how those changes affected QOL. Methods: We investigated the incidence of LFCN injury after DAA–THA using self-reported questionnaires at two time points (initial survey: August 2014, present survey: August 2015). QOL was assessed by the Western Ontario and McMaster Universities Osteoarthritis Index, the Japanese Orthopaedic Association Hip Disease Evaluation Questionnaire, and the Forgotten Joint Score-12 (FJS-12). Types (dysesthesia or hypesthesia) and changes of the symptom were surveyed. Results: About 122 hips at average12.8 months postoperatively (initial survey), and of those, 89 hips at average 26.2 months postoperatively (present survey) were analyzed. The incidence of LFCN injury decreased significantly, from 31.9% to 11.2% ( p < 0.001). Spontaneous improvement of symptoms was seen in 96%. The difference of FJS-12 between patients with and without LFCN injury at the initial survey disappeared at the present survey. The dysesthesia group showed significant correlations between rate of improvement in LFCN injury and increase of QOL. Conclusion: Most symptoms of LFCN injury resolved spontaneously with longer follow-up periods. In particular, improvement of dysesthesia as a symptom of LFCN injury was associated with better QOL.

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Yoo, Seung-hee, Min-jin Lee, Min-hyouk Beak e Won-joong Kim. "Efficacy of Supplemental Ultrasound-Guided Pericapsular Nerve Group (PENG) Block Combined with Lateral Femoral Cutaneous Nerve Block in Patients Receiving Local Infiltration Analgesia after Hip Fracture Surgery: A Prospective Randomized Controlled Trial". Medicina 60, n.º 2 (12 de fevereiro de 2024): 315. http://dx.doi.org/10.3390/medicina60020315.

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Background and Objectives: Local infiltration analgesia (LIA) represents a potential approach to reducing pain in patients undergoing total hip arthroplasty (THA). The pericapsular nerve group (PENG) block also provides adequate analgesia for fractures and THA. As most hip surgeries use a lateral incision, affecting the cutaneous supply by branches of the lateral femoral cutaneous nerve (LFCN), the LFCN block can contribute to postoperative analgesia. However, no studies have investigated the effectiveness of supplemental PENG block combined with LFCN block in patients undergoing LIA after hip fracture surgery. Our study aimed to assess the effectiveness of PENG combined with LFCN block following hip fracture surgery in patients who underwent LIA. Materials and Methods: Forty-six patients were randomly assigned to LIA or PENG + LFCN + LIA groups. The primary outcome was the pain score at rest and during movement at 2, 6, 12, 24, and 48 h postoperatively. The total opioid dose for postoperative analgesia was also measured at the same time points. Secondary outcomes included postoperative cognitive function assessment. Results: The median pain scores at rest and during movement were lower in the PENG + LFCN + LIA group throughout the study periods compared to the LIA group, except at 2 h (at rest) and 48 h (during movement) after surgery. The total fentanyl dose was lower in the PENG + LFCN + LIA group at all time points after surgery when compared to the LIA group. Postoperative delirium incidence and the median abbreviated mental test scores were not significantly different between the two groups. Conclusions: The combination of PENG and LFCN blocks may contribute to enhanced recovery for patients undergoing LIA after hip fracture surgery. However, further well-controlled research is necessary to determine the effectiveness of supplemental PENG combined with LFCN block in addressing cognitive deficits in these patients.

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van Tuyl, Minke, Freek Groenman, Maciek Kuliszewski, Ross Ridsdale, Jinxia Wang, Dick Tibboel e Martin Post. "Overexpression of lunatic fringe does not affect epithelial cell differentiation in the developing mouse lung". American Journal of Physiology-Lung Cellular and Molecular Physiology 288, n.º 4 (abril de 2005): L672—L682. http://dx.doi.org/10.1152/ajplung.00247.2004.

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The Notch/Notch-ligand pathway regulates cell fate decisions and patterning in various tissues. Several of its components are expressed in the developing lung, suggesting that this pathway is important for airway cellular patterning. Fringe proteins, which modulate Notch signaling, are crucial for defining morphogenic borders in several organs. Their role in controlling cellular differentiation along anterior-posterior axis of the airways is unknown. Herein, we report the temporal-spatial expression patterns of Lunatic fringe (Lfng) and Notch-regulated basic helix-loop-helix factors, Hes1 and Mash-1, during murine lung development. Lfng was only expressed during early development in epithelial cells lining the larger airways. Those epithelial cells also expressed Hes1, but at later gestation Hes1 expression was confined to epithelium lining the terminal bronchioles. Mash-1 displayed a very characteristic expression pattern. It followed neural crest migration in the early lung, whereas at later stages Mash-1 was expressed in lung neuroendocrine cells. To clarify whether Lfng influences airway cell differentiation, Lfng was overexpressed in distal epithelial cells of the developing mouse lung. Overexpression of Lfng did not affect spatial or temporal expression of Hes1 and Mash-1. Neuroendocrine CGRP and protein gene product 9.5 expression was not altered by Lfng overexpression. Expression of proximal ciliated (β-tubulin IV), nonciliated ( CCSP), and distal epithelial cell ( SP-C, T1α) markers also was not influenced by Lfng excess. Overexpression of Lfng had no effect on mesenchymal cell marker (α-sma, vWF, PECAM-1) expression. Collectively, the data suggest that Lunatic fringe does not play a significant role in determining cell fate in fetal airway epithelium.

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Teses / dissertações sobre o assunto "Lfgn"

Snijders, Liselotte. "The nature of configurationality in LFG". Thesis, University of Oxford, 2015. http://ora.ox.ac.uk/objects/uuid:1310f160-283e-411e-a8d7-20ab4b3380c2.

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The central issue in this thesis is configurationality, which has broadly been defined in terms of a division of the world's languages based on their core syntactic structure. Specifically, languages are traditionally divided into so-called configurational and non-configurational languages. Configurational languages are assumed to be languages with many restrictions on word order, and non-configurational languages are assumed to be languages with very few or no word order restrictions. Many linguists posit a strict division between the two different types of languages. In this thesis I propose a non-derivational approach to configurationality, and I discuss in detail three posited characteristics of non-configurational languages (in comparison to configurational languages): free word order, discontinuous expressions and subject-object asymmetries in binding. I propose a four-way classification of languages instead of a two-way one, based on constraints on annotations on phrase structure nodes, both for argument functions and for information structural roles (such as topic and focus). I propose that this four-way distinction is what underlies configurationality. I show that discontinuous expressions and potentially subject-object symmetries follow from the nature of languages that have traditionally been classified as non-configurational. For my analysis I employ Lexical Functional Grammar (LFG), a non-derivational framework which is particularly well-suited to account for languages in which grammatical functions are not tied to specific phrase structural positions, due to its parallel architecture. This characteristic of LFG enables me to provide a straightforward classification of languages, by the ability to separate the influence of grammatical functions and information structural roles on word order and phrase structural configuration.

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Soong, Kwan-hung, e 宋君鴻. "Relative clauses in Cantonese: an LFG approach". Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2009. http://hub.hku.hk/bib/B43205252.

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Sakurai, Kazuhiro, e 櫻井和裕. "An OT-LFG analysis of language change". Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2011. http://hub.hku.hk/bib/B46732482.

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Soong, Kwan-hung. "Relative clauses in Cantonese an LFG approach /". Click to view the E-thesis via HKUTO, 2009. http://sunzi.lib.hku.hk/hkuto/record/B43205252.

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Way, Andrew. "LFG-DOT : a hybrid architecture for robust MT". Thesis, University of Essex, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.340428.

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Fung, Suet-man. "Topic and focus in Cantonese an OT-LFG account /". Click to view the E-thesis via HKUTO, 2007. http://sunzi.lib.hku.hk/hkuto/record/B38725113.

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Liao, Wei-Tai. "An LFG Account of Empty Pronouns in Mandarin Chinese". Thesis, University of Oxford, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.522760.

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Fung, Suet-man, e 馮雪雯. "Topic and focus in Cantonese: an OT-LFG account". Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2007. http://hub.hku.hk/bib/B38725113.

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El, Sadek Shaimaa. "Verbal complementation in Egyptian colloquial Arabic : an LFG account". Thesis, University of Essex, 2016. http://repository.essex.ac.uk/18737/.

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This study provides description and analysis of some verbal complementation patterns in Egyptian Colloquial Arabic (ECA), namely the Auxiliary /kaan/, Causative /xalla/, phasal verbs and modals. Each verb is represented by a set of sentences extracted from a 5 million word corpus of ECA online texts that was built for the purpose of the current study using the Sketch Engine tool. These verbal complements are described and analysed within the principles of LFG syntactic theory, and represented in a grammar fragment implemented using the XLE tool. The analysis shows that both tense and aspect can be expressed verbs in ECA, where in simple tense forms the verb carries tense only, while in compound tense, the main predicate marks tense and occupies I while the following lexical verb marks grammatical aspect and occupies V. The bi- prefix marks present tense on verbs in I and imperfect aspect on verbs in V, as well as a HAB/PROG feature. The bare Imperfective verb form is treated as a non-finite verb in ECA, where it can not occupy I and is marked by VFORM=BARE. All of the verbal constructions analysed are bi-clausal structures, however, they show differences regarding the kind of control relation. Functional control was attested in constructions where the main predicate is the auxiliary /kaan/, the causative verb /xalla/, phasal verbs, as well as non-inflecting modals. Anaphoric control was attested only with inflecting modals, with the modal /yi2dar/ ‘able’ showing a case of obligatory anaphoric control. This is, to my knowledge, the first study which attempts to develop a grammar for ECA using the XLE platform. It provides an insight over the issues correlated with developing this grammar, which could be a step towards including ECA into the ParGram project in order to develop broad coverage grammars for a bigger number of languages.

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Alsharif, Ahmad M. "The syntax of negation in Arabic : an LFG perspective". Thesis, University of Essex, 2014. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.678950.

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Livros sobre o assunto "Lfgn"

Apitz, Bruno. Nackt unter Wo lfen: Roman. 2^a ed. Leipzig: Reclam, 1985.

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Grosz, Peter M. LFG Roland C. II. Hertfordshire: Albatros Productions, 1995.

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Grosz, Peter M. LFG Roland D. II. Hertfordshire: Albatros Productions, 1994.

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1966-, Butt Miriam, e King Tracy Holloway 1966-, eds. Lexical semantics in LFG. Stanford, Calif: Center for the Study of Language and Information, 2005.

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Suchen - Verfuhrung (Enzyklopadie Des Marchens. Handworterbuch Zur Hist. Und Vergl. Erzählforschung. 15 Bande Mit Je 5 Lfgn.) (German Edition). Walter de Gruyter, 2010.

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Dalrymple, Mary, John J. Lowe e Louise Mycock. The Oxford Reference Guide to Lexical Functional Grammar. Oxford University Press, 2019. http://dx.doi.org/10.1093/oso/9780198733300.001.0001.

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This is the most comprehensive reference work on Lexical Functional Grammar (LFG), which will be of interest to graduate and advanced undergraduate students, academics, and researchers in linguistics and in related fields. Covering the analysis of syntax, semantics, morphology, prosody, and information structure, and how these aspects of linguistic structure interact in the nontransformational framework of LFG, this book will appeal to readers working in a variety of sub-fields, including researchers involved in the description and documentation of languages, whose work continues to be an important part of the LFG literature The book consists of three parts. The first part examines the syntactic theory and formal architecture of LFG, with detailed explanation and comprehensive illustration, providing an unparalleled introduction to the fundamentals of the theory. The second part of the book explores nonsyntactic levels of linguistic structure, including the syntax-semantics interface and semantic representation, argument structure, information structure, prosodic structure, and morphological structure, and how these are related in the projection architecture of LFG. The third part of the book illustrates the theory more explicitly by presenting explorations of the syntax and semantics of a range of representative linguistic phenomena: modification, anaphora, control, coordination, and long-distance dependencies. The final chapter discusses LFG-based work not covered elsewhere in the book, as well as new developments in the theory.

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Chiravuri, Srinivas. Lateral Femoral Cutaneous Neuropathy—Meralgia Paresthetica. Editado por Meghan E. Lark, Nasa Fujihara e Kevin C. Chung. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780190617127.003.0014.

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Meralgia paresthetica is characterized by anterolateral thigh pain, paresthesia, or dysesthesia without motor weakness. This is due to idiopathic or iatrogenic injury to the lateral femoral cutaneous nerve (LFCN, dorsal rami of L2-L3). Risk factors include obesity, diabetes, and external compression near the inguinal ligament’s attachment to the anterior superior iliac spine. Diagnosis is based on clinical presentation and electrodiagnostic studies. Initial management includes behavioral modification, physical therapy, and pharmacotherapy. More invasive treatment modalities include LFCN infiltration, pulsed radiofrequency, direct nerve stimulation, and spinal cord stimulation. Ultrasound-guided neurectomy is also an effective way to localize the nerve structure and ensure complete nerve transection.

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Koch, F. Gentechnikgesetz Lfg. 1-3. Wiley-VCH, 1992.

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Anthozoa: Lfg 2-3. Creative Media Partners, LLC, 2018.

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Pfister, Max. Lessico Etimologico Italiano Lfg. 45. Reichert Dr., Ludwig, 1994.

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Capítulos de livros sobre o assunto "Lfgn"

Reyle, Uwe. "Compositional Semantics for LFG". In Natural Language Parsing and Linguistic Theories, 448–74. Dordrecht: Springer Netherlands, 1988. http://dx.doi.org/10.1007/978-94-009-1337-0_16.

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Block, Hans-Ulrich, e Hans Haugeneder. "An Efficiency-Oriented LFG Parser". In Natural Language Parsing and Linguistic Theories, 149–76. Dordrecht: Springer Netherlands, 1988. http://dx.doi.org/10.1007/978-94-009-1337-0_6.

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Bamba Dione, Cheikh. "Handling Wolof clitics in LFG". In Linguistik Aktuell/Linguistics Today, 87–118. Amsterdam: John Benjamins Publishing Company, 2013. http://dx.doi.org/10.1075/la.206.04dio.

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Meier, Justus, e Jörg Kindermann. "Generierung Mit Lexical — Functional Grammar (LFG)". In GWAI-86 und 2. Österreichische Artificial-Intelligence-Tagung, 113–18. Berlin, Heidelberg: Springer Berlin Heidelberg, 1986. http://dx.doi.org/10.1007/978-3-642-71385-9_11.

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Hearne, Mary, e Khalil Sima’an. "Structured parameter estimation for LFG-DOP". In Recent Advances in Natural Language Processing III, 183. Amsterdam: John Benjamins Publishing Company, 2004. http://dx.doi.org/10.1075/cilt.260.20hea.

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Frank, Anette, Louisa Sadler, Josef van Genabith e Andy Way. "From Treebank Resources to LFG F-Structures". In Treebanks, 367–89. Dordrecht: Springer Netherlands, 2003. http://dx.doi.org/10.1007/978-94-010-0201-1_21.

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Kaplan, Ronald M., e Annie Zaenen. "4. West-Germanic verb clusters in LFG". In Verb Constructions in German and Dutch, 127–50. Amsterdam: John Benjamins Publishing Company, 2003. http://dx.doi.org/10.1075/cilt.242.05kap.

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Hall, Christine M., Amaka C. Offiah, Francesca Forzano, Mario Lituania, Gen Nishimura e Valérie Cormier-Daire. "Spondylocostal Dysostosis, DLL3-, MESP2-, LFNG-, HES7-, TBX6- and RIPPLY2-Related". In Fetal and Perinatal Skeletal Dysplasias, 517–20. 2^a ed. Boca Raton: CRC Press, 2024. http://dx.doi.org/10.1201/9781003166948-113.

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Attia, Mohammed A. "Accommodating Multiword Expressions in an Arabic LFG Grammar". In Advances in Natural Language Processing, 87–98. Berlin, Heidelberg: Springer Berlin Heidelberg, 2006. http://dx.doi.org/10.1007/11816508_11.

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Way, Andy. "Translating with Examples: The LFG-DOT Models of Translation". In Recent Advances in Example-Based Machine Translation, 443–72. Dordrecht: Springer Netherlands, 2003. http://dx.doi.org/10.1007/978-94-010-0181-6_16.

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Trabalhos de conferências sobre o assunto "Lfgn"

Hsu, Chih-Chung, Ming-Hsuan Wu e En-Chao Liu. "LFGN: Low-Level Feature-Guided Network For Adversarial Defense". In 2024 IEEE International Conference on Image Processing (ICIP), 563–67. IEEE, 2024. http://dx.doi.org/10.1109/icip51287.2024.10647385.

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Guo, Haiyan, Jun Qiu e Haimiao Zhang. "Light Field Denoising with Adaptive Stochastic Gradient Langevin Dynamics". In Frontiers in Optics. Washington, D.C.: Optica Publishing Group, 2023. http://dx.doi.org/10.1364/fio.2023.jm7a.78.

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We propose a self-supervised learning method for light field denoising (LFDN). Numerical experiments on a simulated light field dataset verified that our LFDN model within the Adaptive Stochastic Gradient Langevin Dynamics framework is superior to the classical denoising methods.

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Lee, Jechan, e Marco J. Castaldi. "A Study on Performance and Emissions of a 4-Stroke IC Engine Operated on Landfill Gas With Syngas Addition". In 18th Annual North American Waste-to-Energy Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/nawtec18-3565.

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The aim of this study is to investigate the suitability of landfill gas (LFG) as an alternative fuel for an internal combustion (IC) engine and how to reduce pollutants emissions from LFG operations by adding syngas to LFG. The effect of CO2 fractions in LFG on the engine performance and exhaust emissions such as CO, UHC and NOx are experimentally determined, and a simulated LFG (50% CH4 and 50% CO2) mixed with a simulated syngas consisting of H2 and CO (H2/CO = 2) is also studied. The Honda GC160E engine connected with a small generator which functions as different electrical loads is used for this study. When CO2 fraction in LFG changes from 0% to 50% at 0.8 kW load condition, CO and UHC emissions increase from 241.8ppm to 802.1ppm and from 35.6ppm to 113.4ppm respectively, while NOx emission decreases from 126.7ppm to 99.8ppm. In case of LFG (50% CH4 and 50% CO2)-syngas (H2/CO = 2) mixtures, 5% addition of syngas to LFG at 0.8 kW load condition reduces CO, UHC and NOx emissions from 802.1ppm to 203.1ppm, from 113.4ppm to 11.1ppm and from 99.8ppm to 64.5ppm, respectively. However, when more syngas is added to LFG (10% and 15% syngas in fuel mixture) it does not measurably reduce these emissions any further.

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Wikramanayake, Enakshi, e Vaibhav Bahadur. "Landfill Gas Utilization for Water, Electricity and Food Production in Texas". In ASME 2016 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/imece2016-65375.

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Methane emissions from US landfills equal 14% of US residential natural gas consumption, and represent a significant waste of energy. This work presents and analyzes three concepts for landfill gas (LFG) utilization, which impact the water, electricity and food sectors. The first novel concept uses LFG to power refrigeration cycles to enable atmospheric water harvesting (AWH). Freshwater produced by LFG-based AWH can be used for water intensive operations (drilling, hydraulic fracturing) in oilfields located near landfills. The second concept is about routing LFG to nearby natural gas-fired power plants, instead of using it for onsite electricity generation. This approach is attractive, since both landfills and power plants are concentrated around population centers. The third novel concept uses LFG as the feedstock and energy source for ammonia production, which is the starting point for fertilizers. A framework and methodology for quantifying the benefits of these concepts is established. Emissions from landfills in Texas are analyzed to map the current LFG management, and quantify the benefits of the proposed concepts. Firstly, LFG-based AWH can meet 14% of the water requirement of the Barnett Shale, which can be served by 20 landfills. Secondly, routing the LFG to gas-fired power plants will enable a 3% increase in statewide installed capacity. Importantly, five power plants can increase their capacity by more than 10%. Thirdly, LFG can be used to produce 3,200 tons of ammonia daily, which yields enough fertilizer to cultivate nine times the current area under corn cultivation. Overall, these concepts offer alternatives to LFG-based onsite electricity generation, which enables utilization of only 22% of the generated LFG. The proposed waste-to-value concepts can be extended to other regions and offer options to augment water, electricity and food production globally.

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Kohn, McKenzie P., Marco J. Castaldi e Robert J. Farrauto. "Effect of Methyl Chloride on Landfill Gas Dry Reforming". In 20th Annual North American Waste-to-Energy Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/nawtec20-7046.

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Landfills are the second-largest source of anthropogenic methane emissions in the U.S., accounting for 22% of CH4 emissions. Landfill gas (LFG) is primarily composed of CH4 and CO2, and currently only 18% of this is used for energy. Because landfills will continue to be used for the foreseeable future, complete utilization of LFG is becoming more important as the demand for energy increases. Catalytically reforming LFG produces syngas (H2 and CO) that can be converted to liquid fuels or mixed into the LFG stream to produce a more reactive, cleaner burning fuel. It has been demonstrated that injecting 5% syngas into a simulated LFG mixture prior to engine combustion decreases CO, UHC, and NOx emissions by 73%, 89%, and 38%, respectively. One barrier to using LFG in a catalytic system is the contaminant content of the LFG, including chlorine and sulfur compounds, higher order hydrocarbons, and siloxanes that have the potential to poison a catalyst. Chlorinated compounds are present in LFG at 10–100ppm levels and are often found as chlorocarbons. This research explores the effect of methyl chloride on the activity of a Rh/γ-Al2O3 catalyst while dry reforming LFG to syngas. It has been found that methyl chloride acts as a reversible poison on the dry reforming reaction, causing a loss in dry reforming activity, decrease in syngas production, and increase in H2/CO ratio while CH3Cl is present in the feed. CH3Cl exposure also decreases the acidity of the catalyst which decreases carbon formation and deactivation due to coking.

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Ura, Shogo, Yukio Furukawa, Toshiaki Suhara e Hiroshi Nishihara. "Integration of waveguide gratings for parallel data pickup". In Integrated Photonics Research. Washington, D.C.: Optica Publishing Group, 1990. http://dx.doi.org/10.1364/ipr.1990.wi6.

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Parallel read/write systems are attractive in optical memory applications, and integrated-optic implementation of pickup devices would result in compact/light heads with high producibility and application flexibility. By modifying an integrated-optic disc pickup device (IODPU),1 we propose and demonstrate a combination of a linearly focusing grating coupler (LFGC)2,3 and a coplanar Bragg grating lens4 (beam splitting/imaging grating; BSIG) for integrated-optic parallel pickup. Figure 1 illustrates a schematic view of the integrated-optic device. A guided wave diverging from a butt-coupled laser diode (LD) is diffracted by the LFGC to be a focusing beam of cylindrical wave front in the air. The linearly focused beam is reflected by a recorded medium, so the wave front is no longer cylindrical but modulated by the multiple digital data on the focus line. The reflected wave is back-coupled by the same LFGC into the waveguide and imaged by the BSIG onto a photodiode array.

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Serbetci, Walter I., e Greg S. Kindt. "A Green Combined Cycle Plant: From Landfill to Power". In ASME 2009 Power Conference. ASMEDC, 2009. http://dx.doi.org/10.1115/power2009-81086.

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WorleyParsons has been contracted by the Klickitat Public Utilities District to design a nominal 26 MWe, 2×2×1 Combined Cycle Plant in order to expand the District’s existing landfill gas (LFG) power generation facility. The combined cycle plant is unique in that it will run only on LFG and will employ a state-of-the-art on-site regenerable LFG treatment and compression system. For the design of the LFG treatment system all current technologies were screened and the most economical ones chosen for implementation. The heat rate of the plant is calculated to be 8,245 Btu/kW-hr (LHV) gross and 9,260 Btu/kW-hr (LHV) net, at 90 °F ambient temperature and 1500 ft elevation.

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Tan, Xianhai, Ying Hu e Weidong Jin. "Modeling and Performance Analysis of LFSN". In 2007 IFIP International Conference on Network and Parallel Computing Workshops (NPC 2007). IEEE, 2007. http://dx.doi.org/10.1109/npc.2007.75.

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Dalrymple, Mary. "Categorial semantics for LFG". In the 14th conference. Morristown, NJ, USA: Association for Computational Linguistics, 1992. http://dx.doi.org/10.3115/992066.992102.

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Relatórios de organizações sobre o assunto "Lfgn"

Willumsen, Hans, e Horacio Terraza. Guidance Note on Landfill Gas Capture and Utilization. Inter-American Development Bank, maio de 2010. http://dx.doi.org/10.18235/0008995.

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As part of the Inter-American Development Bank (IDB) strategy to promote good practices in municipal solid waste (MSW) management and knowledge sharing activities in Latin America and the Caribbean (LAC), the IDB Water and Sanitation Division (INE/WSA) is developing a MSW management working paper series. The first paper, which focuses on landfill gas (LFG) capture from MSW and utilization, is included in this Guidance Note.

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VANDOR, D. LIQUID NATURAL GAS (LNG): AN ALTERNATIVE FUEL FROM LANDFILL GAS (LFG) AND WASTEWATER DIGESTER GAS. Office of Scientific and Technical Information (OSTI), março de 1999. http://dx.doi.org/10.2172/758998.

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