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World Academy of Science, Engineering and Technology

Different experiments have been applied to reveal the applicability of the proposed model, the model succeeds in raising the accuracy percentage according to the determined metrics (precision, recall, and fmeasure) based on applying the refinement of the lexicon, integration of lexicons using different perspectives, and applying the TFIDF ...


Materials Research Express, Volume 6, Number 9, …

By forming different diameters of Al NPs on AlGaN surface, the peak responsivity of the devices appears more than twofold increase compare to the PDs without Al NPs under the bias voltage of 8 V, and the device with 150 nm Al NPs reaches the highest responsivity of A W −1. In order to explore the enhancement mechanism of AlGaN solar ...


(PDF) Professional Management of Housekeeping …

is a platform for academics to share research papers.


How do thermocouples work? Explain that Stuff

2021616 · Artwork: The basic idea of a thermocouple: two dissimilar metals (gray curves) are joined together at their two ends. If one end of the thermocouple is placed on something hot (the hot junction) and the other end on something cold (the cold junction), a voltage (potential difference) develops. You can measure it by placing a voltmeter (V ...


Ramnarayan Chattopadhyay Advanced Thermally …

201878 · In joining two dissimilar metals a more noble metal than either of the two is to be selected as welding. High Temperature Corrosion Control (9,10,11):Thermally assisted deposit coatings are used to minimize high temperature corrosion in otherwise good creep resistance base material forming the bulk of the components.


Photoelectrochemistry Term Paper

The bandbending phenomenon, shown in Fig. 5(b) and (c), is by no means unique to the semiconductor–electrolyte interface. Analogous electrostatic adjustments occur whenever two dissimilar phases are in contact ( semiconductorgas, semiconductor–metal). An important point of distinction from the corresponding metal case now becomes apparent.


Mn doped zinc silicate nanophosphor with bifunctionality ...

Request PDF | Mn doped zinc silicate nanophosphor with bifunctionality of greenyellow emission and magnetic properties | Luminescentmagnetic bifunctional Mn²⁺doped Zn2SiO4 (ZSMn² ...


Determination of mode II delamination toughness of ...

199511 · This asymptotic value is achieved because the bridging zone size is now saturated and remains constant with further crack growth. The improvement in Mode II delamination toughness is approximately 80% (for stitch density S^=4 st/cm2). For a stitch density of 12 st/cm2, an improvement of 35fold may be observed.


(PDF) Interfaces in Green Composites: A Critical Review

A maximum increase of 78% in the IFSS was achieved, while an enhancement of 20 % was obtained for the flexural strength. This suggests that grafting CNFs onto GF can significantly improve the ...


Documents publiés en 2016 Espace ÉTS

2016. « Temperature and moisture effects on the hurricane wind field based on a simplified model ». Communication lors de la conférence : Engineering Mechanics Institute Conference (EMI) and the Probabilistic Mechanics Reliability Conference (PMC) (Nashville, TN, USA, May 2225, 2016). Snaiki, Reda et Wu, Teng. 2016.


Peptidebased biopolymers in biomedicine and …

200891 · The T t ''s reported in this table are a useful starting point for choosing which guest residues to include in the ELP gene in order to achieve a desired LCST, but are only approximate as they do not take into account the effect of MW on the T t of the ELP .. a. T t is the onset temperature for the hydrophobic folding and assembly transition, , inverse temperature transition, in PBS ( N ...


Publications | World Academy of Science, Engineering and ...

Two Lithium Disilicate (LD) glass ceramics based on SiO2Li2OK2OAl2O3 system were prepared through a glass melting method. The glass rods were then fabricated into dental crowns via a hot pressing at 900˚C and 850˚C in order to study the effect of the pressing temperatures on the phase formation and microstructure of the glasses.


IOP Conference Series: Materials Science and Engineering ...

This paper introduces a novel and realtime monitoring NDE method based on the EC sensor to characterize variations in shear edge quality for two different grade advanced high strength steels, DP780 and 980GEN3. The developed NDE method was applied to scan the edges sheared at various clearances between 5 and 25% of the material thickness.


The role of ceramic and glass science research in meeting ...

Pressurization is either carried out at room temperature or at elevated temperatures, near the glasstransition temperature (T g). 260 Studies have shown that pressure quenching is an effective way to change the atomic packing and bonding of glasses. 261 …


The role of ceramic and glass science research in meeting ...

Pressurization is either carried out at room temperature or at elevated temperatures, near the glasstransition temperature (T g). 260 Studies have shown that pressure quenching is an effective way to change the atomic packing and bonding of glasses. 261 Pressure quenching can be used to prepare glasses with different …


(PDF) International Journal of Engineering Technical ...

International Journal of Engineering and Technical Research (IJETR) ISSN: 23210869, Volume2, Issue6, June 2014 Optimum Angle of Diagrid Structural System Nishith B. Panchal, Dr. V. R. Patel, Dr. I. I. Pandya So, when the diagrid structural system is provided in Abstract— The evolution of tall building structural systems tall building, there is a very much important of angle of based on ...


JMMP | Free FullText | Sonotrodes for Ultrasonic Welding ...

2021612 · Ultrasonic welding of titanium alloy Ti6Al4V to carbon fibre reinforced polymer (CFRP) at 20 kHz frequency requires suitable welding tools, so called sonotrodes. The basic function of ultrasonic welding sonotrodes is to oscillate with displacement amplitudes typically up to 50 µm at frequencies close to the eigenfrequency of the oscillation unit. Material properties, the geometry of the ...


What is a Thermocouple How Does it Work? Principle of ...

20171129 · In this article, a new investigation on a lowtemperature electrochemical hydrocarbon and NOx sensor is presented. Based on the mixedpotentialbased sensing scheme, the sensor is constructed ...


Refrigeration and Air ConditioningIIT Kharagpur Notes ...

Thermoelectric Refrigeration Systems: In 1821 the German physicist Seebeck reported that when two junctions of dissimilar metals are kept at two different temperatures, an electro motive force (emf) is developed, resulting in flow of electric current. The emf produced is found to be proportional to temperature difference.


Thermocouple Hub Omega Engineering

A thermocouple is a sensor that measures temperature. It consists of two different types of metals, joined together at one end. When the junction of the two metals is heated or cooled, a voltage is created that can be correlated back to the temperature. A thermocouple is a simple, robust and costeffective temperature sensor …


Thermocouple Hub Omega Engineering

2019919 · A thermocouple is a sensor that measures temperature. It consists of two different types of metals, joined together at one end. When the junction of the two metals is heated or cooled, a voltage is created that can be correlated back to the temperature. A thermocouple is a simple, robust and costeffective temperature sensor used in a wide ...


Volume 6, Issue 8 Impact Factor

201977 · The composite panels were produced using BoxBehnken 3variables settings. The following factors settings were used (molding temperature: 1600C to 2000C; molding time: 60minutes to 80minutes; fiber volume fraction: 10% to 30%) based on dry mass in …


Volume 6, Issue 8 Impact Factor

201977 · The composite panels were produced using BoxBehnken 3variables settings. The following factors settings were used (molding temperature: 1600C to 2000C; molding time: 60minutes to 80minutes; fiber volume fraction: 10% to 30%) based on dry mass in a two …