Sciences de l'ingénieur et technologies

Article scientifique

An approach to optimize pre-annealing aging and anneal conditions to improve photovoltaic performance of perovskite solar cells

In this study, we reported a low-temperature, one-step solution process to fabricate perovskite solar cells using dehydrated lead acetate as …

2018 Open Access

Article scientifique

Effect of Coolant Temperature on Surface Finish during Turning of Titanium Alloy Ti6Al4V

High temperature generated and stresses induced as a result of turning of Ti6Al4V results in poor surface finish. The aim …

2018 Open Access

Article scientifique

THE EFFECT OF ACETONE AS A POST-PRODUCTION FINISHING TECHNIQUE ON ENTRY-LEVEL MATERIAL EXTRUSION PART QUALITY

Entry-level material extrusion artefacts persistently suffer from questionable weakened end-product production quality, according to industrial standards. These limitations can be …

2018 Open Access

Article scientifique

EARLY FAULT DETECTION OF ELEVATORS USING REMOTE CONDITION MONITORING THROUGH IOT TECHNOLOGY

Remote condition monitoring (RCM) of machines seeks to enhance proactive maintenance through just-in-time responses to machine faults and process deterioration. …

2018 Open Access

Article scientifique

System adequacy in the Southern African Power Pool: A case for capacity mechanisms

The requirement for increased investment in electrical energy infrastructure in the Southern African Power Pool (SAPP) region is contextualised. Background …

2018 Open Access

Article scientifique

Pore pressure variation at constant confining stress on water–oil and silica nanofluid–oil relative permeability

Studies on stress sensitivity of relative permeability in the laboratory were mostly carried out by varying overburden pressure at constant …

2018 Open Access

Article scientifique

Signatures of key petroleum system elements: outcrop examples from the Anambra Basin, Southeastern Nigeria

Although several works have proved the existence of oil and gas in the Campanian to Maastrichtian strata of the Anambra …

2018 Open Access

Article scientifique

Novel Bioactive Zinc Phosphate Dental Cement with Low Irritation and Enhanced Microhardness

Wide range of cements used in dentistry for cementation of dental restorations to tooth structure. The properties of dental cements …

2018 Open Access

Article scientifique

Comparative genomic analysis of Parageobacillus thermoglucosidasius strains with distinct hydrogenogenic capacities

The facultatively anaerobic thermophile Parageobacillus thermoglucosidasius produces hydrogen gas (H 2 ) by coupling CO oxidation to proton reduction in …

2018 Open Access

Article scientifique

Premature failure of a major highway in southwestern Nigeria: the case of Ipele–Isua highway

Mineralogical, geochemical and geotechnical analyses were carried out to evaluate the contributions of geological and geotechnical properties of subgrade soils …

2018 Open Access

Article scientifique

Expression and Characteristics of Two Glucose-Tolerant GH1 β-glucosidases From Actinomadura amylolytica YIM 77502T for Promoting Cellulose Degradation

The bioconversion of lignocellulose in various industrial processes, such as biofuel production, requires the degradation of cellulose. Actinomadura amylolytica YIM …

2018 Open Access

Article scientifique

Seatbelt use and risk of major injuries sustained by vehicle occupants during motor-vehicle crashes: a systematic review and meta-analysis of cohort studies

BACKGROUND: In 2004, a World Health Report on road safety called for enforcement of measures such as seatbelt use, effective …

2018 Open Access

Article scientifique

Tumor treating fields increases membrane permeability in glioblastoma cells

Glioblastoma is the most common yet most lethal of primary brain cancers with a one-year post-diagnosis survival rate of 65% …

2018 Open Access

Article scientifique

Parameter identification of PMSM using EKF with temperature variation tracking in automotive applications

Permanent magnet synchronous machine is widely used for electric vehicles traction because of its high power density and its efficiency …

2018 Open Access

Article scientifique

Acknowledgement to reviewers

2018 Open Access

Article scientifique

ارزیابی دقت مدلهای MLR، PCR، ARIMA و MLP در پیشبینی عمق نوری هواویزها

برآورد عمق نوری هواویزها (AOD) برای بررسی میزان ذرات معلق موجود در جو که یکی از آلاینده‌های هوا است استفاده …

2018 Open Access

Article scientifique

اثر اسید جیبرلیک و چینهسرمایی بر جوانهزنی بذر پسته (Pistacia vera L.) در جنگل خواجهکلات خراسان رضوی

این پژوهش با هدف بررسی اثر تیمارهای مختلف اسید جیبرلیک و چینه‌سرمایی بر جوانه‌زنی بذر پسته در جنگل پسته خواجه­کلات …

2018 Open Access

Article scientifique

اثر نانو مواد +CBR بر مقاومت مکانیکی و خواص شیمیایی رواناب جاده جنگلی

در این پژوهش نانو­پلیمر سی­بی­آر پلاس (CBR+) برای تثبیت خاک جادة جنگلی مورد بررسی قرار گرفت. آزمایش­های تعیین بافت، حدودآتربرگ، …

2018 Open Access

Article scientifique

تأثیر بهرهبرداری سنتی بر تنوع و ترکیب گونههای چوبی از طریق تجزیهوتحلیل تطبیقی قوسگیریشده در جنگلهای سردشت (استان آذربایجان غربی)

به‌منظور بررسی تأثیر بهره­برداری سنتی بر تنوع و ترکیب گونه­های چوبی، دو توده جنگلی دست‌خورده و کمتر­دست‌خورده با شرایط فیزیوگرافیکی …

2018 Open Access

Article scientifique

رتبهبندی خطرات ناشی از کار با اره موتوری در عملیات قطع درختان جنگلی

اره‌موتوری یکی از خطرناک‌ترین وسایل کار در جنگل است که احتمال آسیب‌رسانی زیادی برای کارگر قطع به همراه دارد. مدیریت …

2018 Open Access