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https://www.readbyqxmd.com/read/28630353/evaluation-of-a-proposal-for-reliable-low-cost-grid-power-with-100-wind-water-and-solar
#1
Christopher T M Clack, Staffan A Qvist, Jay Apt, Morgan Bazilian, Adam R Brandt, Ken Caldeira, Steven J Davis, Victor Diakov, Mark A Handschy, Paul D H Hines, Paulina Jaramillo, Daniel M Kammen, Jane C S Long, M Granger Morgan, Adam Reed, Varun Sivaram, James Sweeney, George R Tynan, David G Victor, John P Weyant, Jay F Whitacre
A number of analyses, meta-analyses, and assessments, including those performed by the Intergovernmental Panel on Climate Change, the National Oceanic and Atmospheric Administration, the National Renewable Energy Laboratory, and the International Energy Agency, have concluded that deployment of a diverse portfolio of clean energy technologies makes a transition to a low-carbon-emission energy system both more feasible and less costly than other pathways. In contrast, Jacobson et al. [Jacobson MZ, Delucchi MA, Cameron MA, Frew BA (2015) Proc Natl Acad Sci USA 112(49):15060-15065] argue that it is feasible to provide "low-cost solutions to the grid reliability problem with 100% penetration of WWS [wind, water and solar power] across all energy sectors in the continental United States between 2050 and 2055", with only electricity and hydrogen as energy carriers...
June 19, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28630291/global-sustainable-development-priorities-500-y-after-luther-sola-schola-et-sanitate
#2
Wolfgang Lutz
Martin Luther succinctly summarized his theology in sola statements, such as sola scriptura, viewing the Bible (scriptura) as the only valid source of information about God rather than what he viewed as the extraneous, corrupting church doctrine of the time. As a secular side effect of this focus on individual reading skills, the Protestant territories were the first to acquire high literacy rates, which subsequently fostered health, economic growth, and good governance. Here I argue that a similar priority focus on empowerment of all segments of all populations through education and health (sola schola et sanitate) is needed today for sustainable development...
June 19, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28623812/discovery-of-non-spherical-heterogeneous-radiocesium-bearing-particles-not-derived-from-unit-1-of-the-fukushima-dai-ichi-nuclear-power-plant-in-residences-five-years-after-the-accident
#3
Shogo Higaki, Yuichi Kurihara, Hiroko Yoshida, Yoshio Takahashi, Naohide Shinohara
Non-spherical heterogeneous radiocesium-bearing particles were found on masks worn during cleaning work in residences near the Fukushima Dai-ichi Nuclear Power Plant (FDNPP), from which residents had evacuated. Three slightly larger (6.6-12 μm) non-spherical radiocesium-bearing particles were found in a residence in Futaba Town, a straight distance of 2.11 km west-northwest from the FDNPP. These were collected on October 25, 2016, 5 years and 7 months after the Fukushima Dai-ichi nuclear disaster and were presumed to originate from the Plant's Unit 2 based on the measured radioactivity ratio of (134)Cs/(137)Cs...
June 14, 2017: Journal of Environmental Radioactivity
https://www.readbyqxmd.com/read/28622714/nico2s4-nimoo4-core-shell-heterostructure-nanotube-arrays-grown-on-ni-foam-as-a-binder-free-electrode-displayed-high-electrochemical-performance-with-high-capacity
#4
Yan Zhang, Jie Xu, Yayun Zheng, Yingjiu Zhang, Xing Hu, Tingting Xu
Core-shell-structured system has been proved as one of the best architecture for clean energy products owing to its inherited superiorities from both the core and the shell part, which can provide better conductivity and high surface area. Herein, a hierarchical core-shell NiCo2S4@NiMoO4 heterostructure nanotube array on Ni foam (NF) (NiCo2S4@NiMoO4/NF) has been successfully fabricated. Because of its novel heterostructure, the capacitive performance has been enhanced. A specific capacitance up to 2006 F g(-1) was obtained at a current density of 5 mA cm(-2), which was far higher than that of pristine NiCo2S4 nanotube arrays (about 1264 F g(-1))...
December 2017: Nanoscale Research Letters
https://www.readbyqxmd.com/read/28616184/reindeer-habitat-use-in-relation-to-two-small-wind-farms-during-preconstruction-construction-and-operation
#5
Anna Skarin, Moudud Alam
Worldwide there is a rush toward wind power development and its associated infrastructure. In Fennoscandia, large-scale wind farms comprising several hundred windmills are currently built in important grazing ranges used for Sámi reindeer husbandry. In this study, reindeer habitat use was assessed using reindeer fecal pellet group counts in relation to two relatively small wind farms, with 8 and 10 turbines, respectively. In 2009, 1,315 15-m(2) plots were established and pellet groups were counted and cleaned from the plots...
June 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28613903/effects-of-water-molecule-on-co-oxidation-by-oh-reaction-pathways-kinetic-barriers-and-rate-constants
#6
Linyao Zhang, Li Yang, Yijun Zhao, Jiaxu Zhang, Dongdong Feng, Shaozeng Sun
The water dilute oxy-fuel combustion is a clean combustion technology for near-zero emission power; and the presence of water molecule could have both kinetic and dynamic effects on combustion reactions. The reaction OH + CO → CO2 + H, one of the most important elementary reactions, has been investigated by extensive electronic structure calculations. And the effects of a single water molecule on CO oxidation have been studied by considering the pre-formed OH(H2O) complex reacts with CO. The results show little change in the reaction pathways, but the additional water molecule actually increases the vibrationally adiabatic energy barriers Va(G)...
June 14, 2017: Journal of Physical Chemistry. A
https://www.readbyqxmd.com/read/28607181/clean-energy-and-the-hydrogen-economy
#7
N P Brandon, Z Kurban
In recent years, new-found interest in the hydrogen economy from both industry and academia has helped to shed light on its potential. Hydrogen can enable an energy revolution by providing much needed flexibility in renewable energy systems. As a clean energy carrier, hydrogen offers a range of benefits for simultaneously decarbonizing the transport, residential, commercial and industrial sectors. Hydrogen is shown here to have synergies with other low-carbon alternatives, and can enable a more cost-effective transition to de-carbonized and cleaner energy systems...
July 28, 2017: Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences
https://www.readbyqxmd.com/read/28601822/effectiveness-of-a-workshop-on-decluttering-and-organising-programme-for-teens-and-middle-aged-adults-with-difficulty-decluttering-a-study-protocol-of-an-open-label-randomised-parallel-group-superiority-trial-in-japan
#8
Yasuko Aso, Kazue Yamaoka, Asuka Nemoto, Yuki Naganuma, Masashige Saito
INTRODUCTION: Hoarding disorder can cause problems with work performance, personal hygiene, health and well-being. The disorder is a growing social problem in Japan. Having difficulty discarding rubbish, decluttering and organising can signal a future hoarding disorder, and early intervention is important. We developed an educational workshop on decluttering and organising for teens and adults with difficulty organising. The objective of this study is to evaluate the effectiveness of a workshop for reducing clutter and improving quality of life among younger people with difficulty decluttering and organising...
June 10, 2017: BMJ Open
https://www.readbyqxmd.com/read/28599799/dry-syngas-purification-process-for-coal-gas-produced-in-oxy-fuel-type-integrated-gasification-combined-cycle-power-generation-with-carbon-dioxide-capturing-feature
#9
Makoto Kobayashi, Hiroyuki Akiho
Electricity production from coal fuel with minimizing efficiency penalty for the carbon dioxide abatement will bring us sustainable and compatible energy utilization. One of the promising options is oxy-fuel type Integrated Gasification Combined Cycle (oxy-fuel IGCC) power generation that is estimated to achieve thermal efficiency of 44% at lower heating value (LHV) base and provide compressed carbon dioxide (CO2) with concentration of 93 vol%. The proper operation of the plant is established by introducing dry syngas cleaning processes to control halide and sulfur compounds satisfying tolerate contaminants level of gas turbine...
June 6, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28579835/transmission-of-health-care-associated-infections-from-roommates-and-prior-room-occupants-a-systematic-review
#10
REVIEW
Bevin Cohen, Catherine Crawford Cohen, Borghild Løyland, Elaine L Larson
Pathogens that cause health care-associated infections (HAIs) are known to survive on surfaces and equipment in health care environments despite routine cleaning. As a result, the infection status of prior room occupants and roommates may play a role in HAI transmission. We performed a systematic review of the literature evaluating the association between patients' exposure to infected/colonized hospital roommates or prior room occupants and their risk of infection/colonization with the same organism. A PubMed search for English articles published in 1990-2014 yielded 330 studies, which were screened by three reviewers...
2017: Clinical Epidemiology
https://www.readbyqxmd.com/read/28560867/quasi-two-dimensional-h-bn-%C3%AE-ga2o3-heterostructure-metal-insulator-semiconductor-field-effect-transistor
#11
Janghyuk Kim, Michael A Mastro, Marko J Tadjer, Jihyun Kim
β-gallium oxide (β-Ga2O3) and hexagonal boron nitride (h-BN) heterostructure-based quasi-two-dimensional metal-insulator-semiconductor field-effect transistors (MISFETs) were demonstrated by integrating mechanical exfoliation of (quasi)-two-dimensional materials with a dry transfer process, wherein nanothin flakes of β-Ga2O3 and h-BN were utilized as the channel and gate dielectric, respectively, of the MISFET. The h-BN dielectric, which has an extraordinarily flat and clean surface, provides a minimal density of charged impurities on the interface between β-Ga2O3 and h-BN, resulting in superior device performances (maximum transconductance, on/off ratio, subthreshold swing, and threshold voltage) compared to those of the conventional back-gated configurations...
June 14, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28560328/does-basic-energy-access-generate-socioeconomic-benefits-a-field-experiment-with-off-grid-solar-power-in-india
#12
Michaël Aklin, Patrick Bayer, S P Harish, Johannes Urpelainen
This article assesses the socioeconomic effects of solar microgrids. The lack of access to electricity is a major obstacle to the socioeconomic development of more than a billion people. Off-grid solar technologies hold potential as an affordable and clean solution to satisfy basic electricity needs. We conducted a randomized field experiment in India to estimate the causal effect of off-grid solar power on electricity access and broader socioeconomic development of 1281 rural households. Within a year, electrification rates in the treatment group increased by 29 to 36 percentage points...
May 2017: Science Advances
https://www.readbyqxmd.com/read/28538316/load-absorption-force-time-characteristics-following-the-second-pull-of-weightlifting-derivatives
#13
Timothy J Suchomel, Jason P Lake, Paul Comfort
Suchomel, TJ, Lake, JP, and Comfort, P. Load absorption force-time characteristics following the second pull of weightlifting derivatives. J Strength Cond Res 31(6): 1644-1652, 2017-The purpose of this study was to compare the load absorption force-time characteristics of weightlifting catching and pulling derivatives. Twelve resistance-trained men performed repetitions of the hang power clean (HPC), jump shrug (JS), and hang high pull (HHP) on a force platform with 30, 45, 65, and 80% of their 1-repetition maximum HPC...
June 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28537741/optimized-extraction-method-to-remove-humic-acid-interferences-from-soil-samples-prior-to-microbial-proteome-measurements
#14
Chen Qian, Robert L Hettich
The microbial composition and their activities in soil environments play a critical role in organic matter transformation and nutrient cycling. Liquid chromatography coupled to high-performance mass spectrometry provides a powerful approach to characterize soil microbiomes; however, the limited microbial biomass and the presence of abundant interferences in soil samples present major challenges to proteome extraction and subsequent MS measurement. To this end, we have designed an experimental method to improve microbial proteome measurement by removing the soil-borne humic substances coextraction from soils...
June 5, 2017: Journal of Proteome Research
https://www.readbyqxmd.com/read/28535127/modelling-virus-coinfection-to-inform-management-of-maize-lethal-necrosis-in-kenya
#15
Frank Hilker, Linda Allen, Vrushali Bokil, Cheryl Briggs, Zhilan Feng, Karen A Garrett, Louis Gross, Frédéric Hamelin, Michael J Jeger, Carrie Manore, Alison Power, Margaret Redinbaugh, Megan Rúa, Nik J Cunniffe
Maize lethal necrosis (MLN) has emerged as a serious threat to food security in sub-Saharan Africa. MLN is caused by coinfection with two viruses, maize chlorotic mottle virus (MCMV) and a potyvirus, often sugarcane mosaic virus (SCMV). To better understand dynamics of MLN and to provide insight into disease management, we model the spread of the viruses causing MLN within and between growing seasons. The model allows for transmission via vectors, soil and seeds, as well as exogenous sources of infection. Following model parameterisation, we predict how management affects disease prevalence and crop performance over multiple seasons...
May 23, 2017: Phytopathology
https://www.readbyqxmd.com/read/28533933/negative-wound-pressure-therapy-is-safe-and-useful-in-pediatric-burn-patients
#16
Yanhan Ren, Philip Chang, Robert L Sheridan
INTRODUCTION: Negative Pressure Wound Therapy (NPWT) has proven to be a powerful tool in facilitating healing of difficult wounds of a variety of etiologies. The pediatric experience with NPWT has been limited due to concerns about vascular compression and pain associated with treatment. METHOD: A retrospective review was performed to evaluate the therapeutic effect of NPWT on children with difficult wounds due to burns or soft-tissue trauma. NPWT was instituted in the operating room under general anesthesia using a commercially available system...
2017: International Journal of Burns and Trauma
https://www.readbyqxmd.com/read/28531910/extracranial-carotid-disease-and-effect-of-intra-arterial-treatment-in-patients-with-proximal-anterior-circulation-stroke-in-mr-clean
#17
Olvert A Berkhemer, Jordi Borst, Manon Kappelhof, Albert J Yoo, Lucie A van den Berg, Puck S S Fransen, Debbie Beumer, Wouter J Schonewille, Paul J Nederkoorn, Marieke J H Wermer, Henk A Marquering, Hester F Lingsma, Yvo B W E M Roos, Robert J van Oostenbrugge, Diederik W J Dippel, Wim H van Zwam, Charles B L M Majoie, Bart J Emmer, Aad van der Lugt
Background: The presence of extracranial carotid disease (ECD) is associated with less favorable clinical outcomes a in patients with acute ischemic stroke caused by intracranial proximal occlusion. Acute intra-arterial treatment (IAT) in the setting of extracranial and intracranial lesions is considered challenging, and whether it yields improved outcomes remains uncertain. Objective: To examine whether the presence of ECD modified the effect of IAT for intracranial proximal anterior circulation occlusion...
May 23, 2017: Annals of Internal Medicine
https://www.readbyqxmd.com/read/28515625/overview-of-the-impact-of-typhoid-and-paratyphoid-fever-utility-of-ty21a-vaccine-vivotif%C3%A2
#18
REVIEW
D Amicizia, L Arata, F Zangrillo, D Panatto, R Gasparini
Cases of diarrhoeal disease number from 1.7 to 5 billion per year worldwide. One of the main causes of diarrhoeal disease is typhoid fever, which is a potentially life-threatening multi-systemic illness. According to the most recent estimates, a total of 26.9 million typhoid fever episodes occurred in 2010. The geographical distribution of the disease differs widely; in developed countries, the incidence rate per 100,000 per year varies from < 0.1 to 0.3, and the disease mainly affects people who travel to endemic areas located in low- and middle-income countries...
March 2017: Journal of Preventive Medicine and Hygiene
https://www.readbyqxmd.com/read/28501643/efficient-wastewater-treatment-and-simultaneously-electricity-production-using-a-photocatalytic-fuel-cell-based-on-the-radical-chain-reactions-initiated-by-dual-photoelectrodes
#19
Kai Zhao, Jing Bai, Qingyi Zeng, Yan Zhang, Jinhua Li, Linsen Li, Ligang Xia, Baoxue Zhou
Efficient conversion of wastewater into clean energy was achieved by applying a radical chain reaction strategy in a solar responsive photocatalytic fuel cell (PFC) system. The system was constructed with two photoelectrodes where ferrous ions were added to enhance the radical reactions for organic pollutants degradation from the surface of electrodes to the whole solution system via coming into a continuous radical chain reaction. The results indicated that the short-circuit current (Jsc) and the power density (JVmax) obtained in the PFC system is up to 1...
May 4, 2017: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/28495401/transcriptomic-analysis-of-porcine-pbmcs-in-response-to-fmdv-infection
#20
Fu-Rong Zhao, Yin-Li Xie, Ze-Zhong Liu, Jun-Jun Shao, Shi-Fang Li, Yong-Guang Zhang, Hui-Yun Chang
Foot-and-mouth disease (FMD) is a significant zoonotic infectious disease. It has an important economic impact throughout the world. As well, it is a considerable threat to food security. At present, the molecular mechanism of FMDV infection is not clear to a large extent. Innate immune response is the first line of defense against infectious diseases. The systematic analysis of the host immune response to infection has an important role in understanding the pathogenesis of infection. However, there are few reports about effect of immune regulation on virus replication in the interaction of virus and host cellular...
May 8, 2017: Acta Tropica
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