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  • Predicting reaction performance in C Ncross-coupling using ...

    Predicting reaction performance in C–Ncross-coupling using machine learning Derek T. Ahneman, 1Jesús G. Estrada, Shishi Lin,2 Spencer D. Dreher,2* Abigail G. Doyle1* Machine learning methods are becoming integral to scientific inquiry in numerous disciplines.We demonstrated thatmachine learningcanbe usedto predictthe performance

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  • Coupling effects in hub motor and optimization for active ...

    The coupling effects caused by the magnet gap deformation (MMG) in the motor and further enhanced by the unbalanced electromagnetic force (UEF) and the road excitation deteriorate the performance of EVs. However, few researchers have explored the coupling effects based on permanent magnet synchronous in-wheel motor and methods to suppress them.

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  • Synergistic coupling effect of sodium and fluorine co ...

    The synergistic coupling effect of both sodium and fluorine substitution on particle morphology and structure is systematically investigated. The galvanostatic charge/discharge results show that Na and F co-substituted sample displays improved rate performance as well as superior capacity retention.

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  • SnO2 Based Catalysts with Low‐Temperature Performance for ...

    To develop reactive catalysts for oxidative coupling of methane at low temperatures, different alkali-metal oxides are adopted in this study to modify the surface of SnO 2.In comparison with the unmodified SnO 2, the reaction performance of all of the modified catalysts can be significantly improved, among which lithium oxide shows the best promotional effects, and the optimal catalyst is ...

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  • Improved capacitive deionization performance by coupling ...

    In this paper, TiO 2 nanoparticles (NPs) were exploited with carbon nanotube (CNTs) to form a composite electrode (TiO 2 /CNTs) for capacitive deionization (CDI). The phase morphology, crystal and electronic structure were characterized by scanning electron microscopy, Transmittance electron microscopy, X-ray diffraction and X-ray photoelectron spectroscopy, respectively.

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  • A fast method coupling ultrahigh performance liquid ...

    Flavonoids are a widely distributed group of polyphenolic compounds present in an extensive range of edible plants, notably Citrus species. This article reports a rapid, optimized, and validated method for the separation and quantification of flavonoids in three Citrus fruit extracts by ultrahigh performance liquid chromatography (UHPLC) using a photodiode array detector.

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  • Straub - Hi-Performance Pipe Couplings

    Straub Couplings are the easiest way to join pipes of all materials. They require no special tools or pipe-end preparation. Flexible, lightweight, 316SS construction; Straub Couplings handle pipe-misalignment, vibration, and are used in shipbuilding, wastewater treatment, general industry, and construction.

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  • Silica Modified by Alcohol Polyoxyethylene Ether and ...

    The study of preparing silica/rubber composites used in tires with low rolling resistance in an energy-saving method is fast-growing. In this study, a novel strategy is proposed, in which silica was modified by combing alcohol polyoxyethylene ether (AEO) and 3-mercaptopropyltriethoxysilane (K-MEPTS) for preparing silica/natural rubber (NR) master batches.

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  • Synergistical Coupling Interconnected ZnS/SnS2 Nanoboxes ...

    Synergistical Coupling Interconnected ZnS/SnS 2 Nanoboxes with Polypyrrole-Derived N/S Dual-Doped Carbon for Boosting High-Performance …

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  • Performance Tuning Techniques of Hive Big Data Table

    Below is command to run in your edge node/box. ./consolidate.sh 20200101. This script will now consolidate …

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  • Adhesion performance of UHMWPE fiber treated with ...

    Adhesion performance of UHMWPE fiber treated with polyethylene wax grafted methyl methacrylate alone or in conjunction with silane coupling Journal of Adhesion Science and Technology ( IF 2.077Pub Date : 2020-10-30, DOI: 10.1080

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  • A meta-analysis of catalytic literature data reveals ...

    Zavyalova, U., Holena, M., Schlögl, R. & Baerns, M. Statistical analysis of past catalytic data on oxidative methane coupling for new insights into the composition of high-performance catalysts ...

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  • Strong self-trapping by deformation potential limits ...

    Bismuth-based double perovskite Cs2AgBiBr6 is regarded as a potential candidate for low-toxicity, high-stability perovskite solar cells. However, its performance is far from satisfactory. Albeit being an indirect bandgap semiconductor, we observe bright emission with large bimolecular recombination coefficient (reaching 4.5 ± 0.1 × 10−11 cm3 s−1) and low charge carrier mobility (around 0 ...

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  • Pyrene-based covalent triazine framework towards high ...

    Porous organic polymers (POPs) are an emerging class of porous materials, having many promising applications in a variety of areas. Among them, covalent triazine frameworks (CTFs) featuring conjugated and porous structures can be well applied in optoelectronics. To achieve high optoelectronic performance, usually the design and synthesis of CTFs based on appropriate building blocks is critical ...

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  • A Meta-Surface Antenna Array Decoupling (MAAD) Design to ...

    In this paper, a design to reduce the mutual coupling between two closely MIMO antennas is presented. A metasurface superstrate consisting of periodic circular split ring resonator (CSRR) elements is placed above the coupled two-element patch antennas to improve the isolation performance. The propagation of the electromagnetic wave from antenna 1 to antenna 2 causing mutual coupling will be ...

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  • (PDF) A Structure Parameter Design Method of DD Coils to ...

    A Structure Parameter Design Method of DD Coils to Optimize Coupling Performance and Misalignment-tolerant Ability January 2020 E3S Web of Conferences 185(4):01084

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  • SnO2 Based Catalysts with Low‐Temperature Performance for ...

    To develop reactive catalysts for oxidative coupling of methane at low temperatures, different alkali-metal oxides are adopted in this study to modify the surface of SnO 2.In comparison with the unmodified SnO 2, the reaction performance of all of the modified catalysts can be significantly improved, among which lithium oxide shows the best promotional effects, and the optimal catalyst is ...

    Get Price
  • Multi-frequency dynamic performance of hydropower plant ...

    The coupling effects of surge tank, generator and grid on multi-frequency dynamic performance of grid-connected HPP with surge tank are also aimed to be clarified. The clarification of principal contradiction and dominant factor of the dynamic performance is an important achievement.

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  • Homologous Strategy to Construct High-Performance Coupling ...

    Potassium-ion hybrid capacitors (PIHCs) have been considered as promising potentials in mid- to large-scale storage system applications owing to their high energy and power density. However, the process involving the intercalation of K+ into the carbonaceous anode is a sluggish reaction, while the adsorption of anions onto the cathode surface is relatively faster, resulting in an inability to ...

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  • Synergistic Coupling of Ni Nanoparticles with Ni3C ...

    Synergistic Coupling of Ni Nanoparticles with Ni 3 C Nanosheets for Highly Efficient Overall Water Splitting Pengyan Wang, State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, 430070 P. R. China.

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  • Energy-storage covalent organic frameworks: improving ...

    The aligned one-dimensional channels found in covalent organic frameworks offer a unique space for energy storage. However, physical isolation of sulfur in the channels is not sufficient to prevent the shuttle of lithium-sulfide intermediates that eventually results in a poor performance …

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  • [1901.11196] EDA: Easy Data Augmentation Techniques for ...

    We present EDA: easy data augmentation techniques for boosting performance on text classification tasks. EDA consists of four simple but powerful operations: synonym replacement, random insertion, random swap, and random deletion. On five text classification tasks, we show that EDA improves performance for both convolutional and recurrent neural networks. EDA demonstrates particularly strong ...

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  • International Journal of High Performance Computing and ...

    Objectives. The objective of IJHPCN is to provide an outstanding channel for academics, professionals, educators and policy makers working in the field to contribute and to disseminate innovative and important new work in high-performance computing and advanced networking.. Readership. Scientists, engineers, researchers, educators, programmers, system administrators, managers, and industrial ...

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  • PyTorch: An Imperative Style, High-Performance Deep ...

    Deep learning frameworks have often focused on either usability or speed, but not both. PyTorch is a machine learning library that shows that these two goals are in fact compatible: it provides an imperative and Pythonic programming style that supports code as a model, makes debugging easy and is consistent with other popular scientific computing libraries, while remaining efficient and ...

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  • Magnetic cross-coupling effects on the performance of the ...

    Performance prediction and control of a synchronous reluctance machine is based on the knowledge of the direct and the quadrature axis inductances. The properties of the machine depend on the saliency ratio of these inductances and this is implemented by introducing internal flux barriers. In an idealized linear magnetic topology the superposition principle would allow to derive both ...

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  • Performance Improvements of Multi-Channel Interleaving ...

    The steady-state current ripples can be reduced without compromising the transient response. The overall efficiency of the converter is improved. In order to evaluate the application of the coupling inductor concept in multi-channels, an appropriate magnetic model is required.

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  • Performance Evaluation - BSI

    Performance Evaluation Report bringing the review together… Performance evaluation report – Annex XIII 1.3.2 This report shall include the scientific validity report, the analytical performance report, the clinical performance report and an assessment of those reports allowing demonstration of the clinical evidence .

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  • Sport, Exercise, and Performance Psychology

    Sport, Exercise, and Performance Psychology® is the official publication of APA Division 47 (Society for Sport, Exercise & Performance Psychology). The journal publishes papers in all areas of sport, exercise, and performance psychology for applied scientists and practitioners. This journal is committed to publishing evidence that supports the ...

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  • GitHub - easystats/performance: Models' quality and ...

    The different R-squared measures can also be accessed directly via functions like r2_bayes(), r2_coxsnell() or …

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  • HOKE PERFORMANCE

    HOKE PERFORMANCE Modern Power. Vintage Style. Asheville, NC . [email protected]

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  • Samsung posts strong Q2 performance from high demand for ...

    Samsung posts strong Q2 performance from high demand for semiconductors. Samsung's operating profit in the second quarter jumped over 50% due to a strong performance from its semiconductor business.

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  • Stainless steel pipe fittings india - SlideShare

    'Stainless Steel fittings ,Stainless Steel Pipe Fittings, India, Stainless Steel Fitting,Stainless Steel parts ,Stainless …

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  • top 9 most popular constructible seamless steel pipe ...

    About Us ... Made in America Research and Development History Events Chief Roughneck Award Contact Us Careers OCTG Products and Services ... OCTG Casing and Tubing ...

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  • Stainless steel pipe fittings india - SlideShare

    'Stainless Steel fittings ,Stainless Steel Pipe Fittings, India, Stainless Steel Fitting,Stainless Steel parts ,Stainless …

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  • top 9 most popular constructible seamless steel pipe ...

    About Us ... Made in America Research and Development History Events Chief Roughneck Award Contact Us Careers OCTG Products and Services ... OCTG Casing and Tubing ...

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  • 94 Example Performance Review Phrases and Comments for ...

    A performance review needs to be a balanced affair where as a manager or supervisor you are required to state the obvious, and communicate an effective feedback to the employees. The secret is to craft your performance …

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  • UPLC - Ultra Performance Liquid Chromatography Beginner's ...

    Figure 1: The ACQUITY UPLC® System. The ACQUITY UPLC System [Figure 1] has removed those barriers, enabling columns packed with smaller particles [1.7 – 1.8 µm] to reach their theoretical performance, while precisely delivering mobile phase at pressures up to 1030 bar [15,000 psi], thus providing a new level of chromatographic performance.

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  • Performance Improvements of Multi-Channel Interleaving ...

    Performance Improvements of Multi-Channel Interleaving Voltage Regulator Modules with Integrated Coupling Inductors. View Open. ETS_pwong.pdf (1.910Mb) Downloads: 3853. Date 2001-03-28. Author. Wong, Pit-Leong. Metadata Show full item record. Abstract.

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  • Performance and optimization

    Django tools¶. django-debug-toolbar is a very handy tool that provides insights into what your code is doing and how much time it spends doing it. In particular it can show you all the SQL queries your page is generating, and how long each one has taken. Third-party panels are also available for the toolbar, that can (for example) report on cache performance and template rendering times.

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  • Synergy between Fe and Ni in the optimal performance of ...

    The oxygen evolution reaction (OER) is a key component to applications of electrochemistry in energy and environment, but the reaction mechanism for OER on a best-performing catalyst, the Fe-doped NiOOH [(Ni,Fe)OOH], is under debate. Using advanced quantum mechanics (QM) methods, we find that the (Ni,Fe)OOH systems feature synergy between Fe and Ni, in which the two components assume the two ...

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  • Centre for Economic Performance

    Centre for Economic Performance | The CEP is an interdisciplinary research centre at the London School of Economics. It was established by the Economic and Social Research Council (ESRC) in 1990 and is now one of the leading economic research groups in Europe.

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