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Changes in Soil Macronutrients after a Long-Term Application of Olive Mill Wastewater

Journal of Agricultural Chemistry and Environment 2015年第1期4卷 1-13页

作者： Leila Chaari Nada Elloumi Salma Mseddi kamel gargouri Béchir Ben Rouina Taher Mechichi Monem Kallel University of Sfax Laboratory of WaterEnergy and EnvironmentNational School of Engineers of Sfax(ENIS)SfaxTunisia University of Sfax Laboratory of WaterEnergy and EnvironmentHigh Institute of Biotechnology of Sfax(ISBS)SfaxTunisia Laboratory of Improvement of Olive and Fruit Trees Productivity Olive Tree Institute of SfaxSfaxTunisia Laboratory of Enzyme Engineering and Microbiology National School of Engineers of Sfax(ENIS)SfaxTunisia

The land spreading of olive mill wastewater (OMW) derived from olive oil production can represent a suitable option to enrich and maintain agriculture soils under south Mediterranean climates. Therefore, OMW spreading field may represent a low cost contribution to crop fertilization and soil amendment. The main objective of this study was to investigate the long-term effects of raw OMW application on soil macronutrients and phenolic compounds dynamics. The results showed that regular application of three doses: 50, 100 and 200 m3·ha-1 of OMW for nine successive years increased the soil electrical conductivity significantly (p ≤ 0.05%) with the increase of OMW rates at the depth 0 - 20 cm. The pH variations were not detected after ten months of the spreading date. Furthermore, soil sodium adsorption ratio (SAR) and exchangeable sodium percentage (ESP) values were substantially affected by OMW salinity. The soil organic matter (SOM) increased from 0.068% observed for the control sample to 0.2%, 0.34% and 0.48%, respectively, with the increase of OMW rate in the top layer (0 - 20 cm). The potassium, phosphorus and nitrogen increased gradually with the OMW application dose. The Ca2+ contents on soil decreased with the spreading of OMW rate, as referred to control. In addition, the phenolic compounds variations were not proportional to doses applied and its levels remained high as compared with the control essentially on top layers (0 - 40 cm). This practice should be beneficial to organic farming and is an alternative solution to direct spreading of raw OMW on soil.

关键词： Soil Olive Mill Wastewater SAR ESP Phenolic Compounds

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Linking the utilization of mineral resources and climate change:A novel approach with frequency domain analysis

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Geoscience Frontiers 2024年第3期15卷 458-468页

作者： kamel.Si Mohammed Ugur Korkut Pata Faculty of Economics and Management University of Ain TemouchentAlgeria Faculty of Economics and Administrative Sciences Department of EconomicsOsmaniye Korkut Ata University80000 Merkez/OsmaniyeTurkey

Natural resources,climate change,and sustainable development are critical and simultaneously interrelated *** study investigates the interdependence between raw minerals material and sea level rise,considering the role of economic performance and material footprint employing wavelet locale multiple correlations from 1970 to *** results provide strong evidence for cross-correlation of climate change with mineral resources,economic output,and domestic material consumption(biomass-fossil,metal,and non-metal)localized at the high frequency-time ***,the outcomes provide weak evidence for the association between bivariate time series at low frequency,which is a limitation in the short *** on the results,policymakers should implement effective environmental taxes and invest in cutting-edge technologies to optimize clean energy and mineral resources in a sustainable manner.

关键词： Mineral resources Sea level rise Material footprint Wavelet multiple correlation

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Wood By-Products as UV Protection:A Consequence Review

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Journal of Renewable Materials 2024年第4期12卷 699-720页

作者： Naglaa Salem El‑Sayed Mohamed Hasanin Samir kamel Cellulose and Paper Department National Research CentreCairo12622Egypt

In recent decades,the ozone layer has suffered considerable damage,increasing the entry of ultraviolet(UV)light into the atmosphere and reaching the earth’s surface,negatively affecting ***,researchers aimed to solve this problem by synthesizing advanced UV-shielding *** the other hand,developing an easy and green strategy to prepare functional materials with outstanding properties based on naturally abundant and environmentally friendly raw materials is highly desirable for sustainable *** biomass-derived materials are sustainable and biodegradable,they present a promising substitute for petroleum-based *** three main structural constituents of the plant biomass-based materials that are naturally available are cellulose,hemicellulose,and *** review details current developments using wood-based products such as cellulose,hemicellulose,and lignin in UV-shielding *** will start with assembling the structure and chemistry of cellulose,hemicellulose,and lignin,followed by their contributions to preparing UV-shielding ***,it will briefly discuss the different processing methods for the design of UV-shielding *** wood by-products offer additional opportunities to use the whole tree harvest.

关键词： UV-shielding wood cellulose lignin hemicellulose sunlight protection

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Role of circular economy,energy transition,environmental policy stringency,and supply chain pressure on CO_(2)emissions in emerging economies

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Geoscience Frontiers 2024年第3期15卷 209-220页

作者： Sunil Tiwari kamel Si Mohammed Grzegorz Mentel Sebastian Majewski Irum Shahzadi Department of Tourism Studies School of Business StudiesCentral University of KeralaIndia Faculty of Economics and Management Department of EconomicsUniversity of Ain TemouchentAlgeria Department of Quantitative Methods Faculty of ManagementRzeszow University of Technology35-959 RzeszowPoland Institute of Economics and Finance University of Szczecinul.A.Mickiewicza 6471-101 SzczecinPoland Department of Business Administration IQRA University Karachi-75300Pakistan Department of Production EngineeringSão Paulo State University(UNESP)BauruBrazil

This paper investigates the effect of the circular economy on CO_(2)emissions growth by considering the role of energy transition,climate policy stringency,industrialization,and supply chain pressure from 1997 to 2020 using panel quantile Autoregressive Distributed Lags(QARDL)and the panel *** employ cointegration association in the long run among the variables,and the results of the two models confirm *** reveal that circular economy and climate policy stringency significantly negatively impact carbon *** the other hand,the energy transition,industrialization,and supply chain pressures are crucial to determining CO_(2)emissions in the short and long *** finding further explores that municipal waste generation recycling is considerable at the mean and upper 90th quantiles than the lower ***,the empirical results of the current study provide acumens for policymakers of advanced economies and emerging markets to maintain the balance among circular economy,energy transition,environmental policy stringency,and supply chain pressure for reducing CO_(2)emissions without halting economic growth and sustainable ***,practical implications are reported through the lens of carbon neutrality and structural changes.

关键词： Circular economy Energy transition Supply chain Carbon emissions Panel QARDL

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Effect of geopolitical risk and economic uncertainty indices on renewable energy

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Geoscience Frontiers 2024年第3期15卷 237-247页

作者： Xin Zhao kamel Si Mohammed Yaohui Wang PawełSte˛pien Grzegorz Mentel School of Statistics and Applied Mathematics Anhui University of Finance and EconomicsBengbuPR China Faculty of Economics and Management University Ain Temouchent Belhadj BouchaibAlgeria School of Urban and Regional Science Institute of Finance and Economics ResearchShanghai University of Finance and EconomicShanghaiPR China Institute of Economics and Finance University of SzczecinPoland Department of Quantitative Methods Faculty of ManagementRzeszow University of TechnologyRzeszow 35-959Poland

In this study,the relationships between five renewable energy sub-sectors markets and the geopolitical risk(GPR)and economic uncertainty indices(EUI)were examined using daily data from March 30,2012,to April 1,*** cross mapping results show that the renewable energy indices have definite relationships with the GPR and *** renewable energy indices show differences in response directions,speed and trends for a standard information difference impulse from the GPR and the EUI.A positive dynamic conditional correlation between renewable energies and EUI was observed in the first and second waves of the COVID-19 *** contrast,there was a relatively decreased effect for two risk indices during the Russia-Ukraine conflict of February-March *** results show that renewable energy may act as a time-varying hedge against economic uncertainty and GPR owing to its safehaven properties at various ***,building more secure and reliable renewable energy systems can help countries to increase their energy independence,which protects them against the risks of political and economic uncertainty.

关键词： Renewable energy Uncertainty indices Impulse response Safe-haven

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Stock Markets,Financial Depth,and Economic Growth in China:Evidence from ARDLModel

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China Finance and Economic Review 2024年第1期13卷 88-111页

作者： Afef Bouattour Maha Kalai kamel Helali Higher Institute of Business Administration of Sfax University of Sfax Faculty of Economics and Management of Sfax University of Sfax

The relationship between financial development and economic growth in China is *** this perspective,this article aims to identify this relationship using both capital market and banking intermediation indicators,which were rarely considered in the previous *** autoregressive model with staggered lags(ARDL)examines the long-run cointegration relationship between 1980 and *** results suggest that the contribution of different subsectors of the Chinese financial system to economic growth *** development of the money market has a negative impact,whereas market capitalization has a positive impact on economic growth in *** the contribution of the banking system to China's economic growth,the two variables measuring the depth of financial institutions showed opposite impacts in both the short and long *** important policy implications,regulators need to ensure a pro-growth environment,effectively regulate the informal banking system,and prevent potential financial risks by revising policies.

关键词： stock markets financial depth economic growth China ARDL

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Methylmalonic Acidemia: An Unusual Cause of Chronic Renal Disease in Adults

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Open Journal of Nephrology 2024年第3期14卷 334-339页

作者： kamel El Reshaid Abdulrahman Al Kanderi Department of Medicine Faculty of Medicine Kuwait University Kuwait City Kuwait Department of Nephrology Al-Jahra Hospital Ministry of Health Kuwait City Kuwait

Background: Methylmalonic aciduria (MMA) is a genetic disorder of aminoacid metabolism, due to mutations in methylmalonyl-CoA mutase, which leads to the accumulation of methylmalonic acid in body fluids. Patients typically present at the age of 1 month to 1 year with dehydration, renal impairment as well as neurologic manifestations viz. seizure, encephalopathy, strokes and disease in the globus pallidi. The case: a 26-year-old man presented with severe acute on top of chronic renal disease with serum creatinine at 590 umol/L and bilateral 8 cm kidneys with thin and echogenic cortex. He had: (a) hypernatremic dehydration, metabolic acidosis and high ammonia level with (b) a history of multiple similar attacks since the age of 8 months. Diagnosis of MMA was confirmed by high serum and urine enzymatic levels as well as genetic testing. His initial management included support with replacements of fluids, electrolytes, and bicarbonates as well as intravenous dextrose, vitamin B12 and broad-spectrum antibiotic (Meropenem) for his chest infection. Subsequently, he received 1) CARBAGLU (carglumic acid) for 7 days to lower his ammonia level to Conclusion: Untreated homozygous MMA variants, can achieve adulthood with significant renal disease yet their morbidity and mortality can be ameliorated with diet and specific therapy.

关键词： Methylmalonic Acidemia Kidney Failure Metabolic Acidosis Autosomal Recessive Amino Acid Disorder Kreps Cycle Hyperammonia Vitamin 12 Carnitine

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Diet in Renal Diseases: An Art of Science

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Open Journal of Nephrology 2024年第3期14卷 361-374页

作者： kamel El-Reshaid Shaikha Al-Bader Department of Medicine Faculty of Medicine Kuwait University Kuwait City Kuwait Department of Nephrology Jaber Hospital Ministry of Health Kuwait City Kuwait

Purpose of Review: Chronic kidney disease (CKD) is associated with a limited ability to excrete fluids, electrolytes, uremic toxins and other end-products of catabolism. Studies on adverse renal outcomes with dietary patterns are limited. Methods: Comprehensive search in PubMed of papers published until June 2024 describing prospective cohort studies on renal nutritional therapy (RNT) with at least 3 years of follow up. Results: RNT should include adequate yet limited amounts of calories, fluids, protein, lipids, sodium, potassium, and phosphorus. RNT is an adjuvant to specific drug-therapy in 1) certain complications viz. fluid overload, anemia and renal osteodystrophy, and 2) specific kidney diseases viz. glomerulopathies, tubulopathies, polycystic kidney disease, calcium oxalates urolithiasis and cystinuria, as well as 3) types of renal failure viz acute and chronic and its treatment viz. hemodialysis, peritoneal and transplantation. Conclusion: RNT is patient-specific and should be systematically planned to delay the progression of CKD as well as to prevent and treat its complications.

关键词： Calories Diet Disease Electrolytes Fluid Kidney Lipids Nutrition Protein Vitamins

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Parallelization of frequency domain quantum gates:manipulation and distribution of frequency-entangled photon pairs generated by a 21 GHz silicon microresonator

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Advanced Photonics 2024年第3期6卷 60-69页

作者： Antoine Henry Dario A.Fioretto Lorenzo M.Procopio Stéphane Monfray Frédéric Boeuf Laurent Vivien Eric Cassan Carlos Alonzo-Ramos kamel Bencheikh Isabelle Zaquine Nadia Belabas Institut Polytechnique de Paris LTCITélécom ParisPalaiseauFrance Université Paris-Saclay CNRSCentre for Nanosciences and NanotechnologyUMR 9001PalaiseauFrance Weizmann Institute of Science RehovotIsrael STMicroelectronics SAS CrollesFrance

Harnessing the frequency dimension in integrated photonics offers key advantages in terms of scalability,noise resilience,parallelization,and compatibility with telecom multiplexing *** ring resonators have been used to generate frequency-entangled states through spontaneous four-wave ***,state-of-the-art integrated resonators are limited by trade-offs among size,spectral separation,and efficient photon pair *** have developed silicon ring resonators with a footprint below 0.05 mm^(2)providing more than 70 frequency channels separated by 21 *** exploit the narrow frequency separation to parallelize and independently control 34 single qubit-gates with a single set of three off-the-shelf electro-optic *** fully characterize 17 frequency-bin maximally entangled qubit pairs by performing quantum state *** demonstrate for the first time,we believe,a fully connected five-user quantum network in the frequency *** results are a step towards a generation of quantum circuits implemented with scalable silicon photonics technology,for applications in quantum computing and secure communications.

关键词： integrated photonics frequency domain quantum gates quantum networks

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When the Stars Align: Hypertriglyceridemic Pancreatitis Is Inevitable

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International Journal of Clinical Medicine 2024年第7期15卷 233-239页

作者： kamel El-Reshaid Abass Hakim Reji Philip Athyal Department of Medicine Faculty of Medicine Kuwait University Kuwait Kuwait Department of Nephrology Amiri Hospital Ministry of Health Kuwait Kuwait Department of Radiology Amiri Hospital Ministry of Health Kuwait Kuwait

Background: Acute pancreatitis (AP) is an inflammatory process affecting the pancreas. Hypertriglyceridemic AP (HTAP) is its third leading cause after gallstones followed by alcohol use. It develops when stars align viz. triggers (acquired surges) in patients with genetic hypertriglyceridemia. Case: severe and acute pancreatitis had developed in a 57-year-old man with type IIb familial hyperlipidemia after heavy fatty meals. The acute phase was controlled by holding oral intake with weekly Evolocumab therapy and long-term prevention by weight reduction and Fenofibrate alone. His pancreatic endocrine and exocrine functions remained normal after 2 years of follow-up. Conclusion: Those four measures were safe, practical and effective for short- and long-term management of HTAP.

关键词： Fenofibrate Genetic Hypertriglyceridemia Hyperlipidemia Pancreatitis Triggers Weight Reduction

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