Results 121 to 130 of about 861,339 (283)

Power Part of Reversible DC/DC Converter [PDF]

open access: yes, 2015
Import 22/07/2015Diplomová práce se zabývá návrhem výkonové části reverzibilního DC/DC měniče. V teoretické části je nejprve proveden rozbor topologií pro obousměrný přenos elektrické energie v soustavách obnovitelných zdrojů s akumulačními systémy. Poté
Bohnjat, Martin
core  

Identifying High‐Impact Solutions to Address Racial and Ethnic Health Disparities in Lupus: A Consensus‐Based Approach

open access: yesArthritis Care &Research, EarlyView.
Objective We conducted formative research aimed at identifying solutions that address inequitable health outcomes in lupus due to adverse social determinants of health (SDoH). Methods We conducted a search for keywords, which provided insights into potential solutions and initiatives underway. An advisory panel of lupus experts iteratively reviewed the
Joy Buie   +11 more
wiley   +1 more source

Combining Three Peripheral Blood Biomarkers to Stratify Rheumatoid Arthritis‐Associated Interstitial Lung Disease Risk

open access: yesArthritis Care &Research, Accepted Article.
Objective The purpose was to evaluate a biomarker score consisting of MUC5B rs35705950 promoter variant, plasma matrix metalloproteinase (MMP)‐7, and serum anti‐malondialdehyde‐acetaldehyde (anti‐MAA) antibody for RA‐associated interstitial lung disease risk stratification. Methods Using a multicenter cohort of US veterans with RA, we performed a cross‐
Kelsey Coziahr   +16 more
wiley   +1 more source

Shade Outcome of 3Y, 4Y, 5Y Monolithic Zirconia on Colored Annodized Titanium

open access: yesDentistry Review
OBJECTIVES: Zirconia has become a restorative material of choice on implant supported restorations due to its ability to obscure discoloration of metal abutments.
Katie Senkiw, DMD, MAJ, DC
doaj   +1 more source

Analisis Unjuk Kerja Multiple Input Konverterpada Sistem Hibrid Pembangkit Listrik Tenaga Surya Dan Pembangkit Listrik Tenaga Bayu [PDF]

open access: yes, 2018
Multi input DC-DC konverter merupakan salah satu jenis konverter yang mampu menggabungkan dua sumber energi listrik. Dalam penelitian ini sumber energi listrik yang digunakan adalah solar sel dan angin, sedangkan jenis dc-dc konverter yang digunakan ...
Effendy, Machmud, nurhadi, nurhadi
core  

Differential Item Functioning on the Patient Health Questionnaire‐8 by Disease Subtype, Language, Sex, and Age among People with Systemic Sclerosis: A Scleroderma Patient‐centered Intervention Network Cohort Study

open access: yesArthritis Care &Research, Accepted Article.
Objective Somatic items used in depression assessments can potentially overlap with symptoms related to physical illness, including systemic sclerosis (SSc). No studies have looked at whether somatic depression items may be influenced by diffuse versus limited SSc disease subtypes, which are associated with varying degrees of symptom presentation.
Sophie Hu   +109 more
wiley   +1 more source

Medium power voltage multipliers with a large number of stages [PDF]

open access: yes
Voltage multiplier techniques are extended at medium power levels to larger multiplication ratios. A series of dc-dc converters were built, with from 20 to 45 stages and with power levels up to 100 watts.
Harrigill, W. T., Myers, I. T.
core   +1 more source

Pemanfaatan Harmonisa Pada Beban Non Linier Sebagai Sumber Energi Menggunakan Full Bridge DC-DC Converter Dan Inverter [PDF]

open access: yes, 2011
The use of non linear loads such as VSD cause a large harmonics. Because of the harmonic actually need to reduction the spectrum of harmonic by installation of passive filters.
M Zaenal Effendi, Zaenal Effendi   +2 more
core  

Current Tracking Adaptive Control of Brushless DC Motors

open access: yesInternational Journal of Adaptive Control and Signal Processing, EarlyView.
In this paper, the current tracking for Brushless Direct Current motors is approached considering uncertainty in the parameters of the motor's model. An adaptive control scheme to compensate electrical parameters uncertainty is proposed without requiring any knowledge of the mechanical parameters.
Fernanda Ramos‐García   +3 more
wiley   +1 more source

Effects of Carbon Nanoparticles on Triboelectro‐Induced Surface Defects

open access: yesAdvanced Engineering Materials, EarlyView.
Carbon nanoparticles added to grease modify the electrocontact behavior. The synergy of particle concentration and electric current dominates the surface damage of metals in contact. Electrical surface damage caused by current leakage is a critical challenge in high‐performance applications such as electric vehicle (EV) drivetrains and wind turbine ...
Mohsen Tajedini   +6 more
wiley   +1 more source

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