يعرض 1 - 20 نتائج من 498 نتيجة بحث عن '(((( 50 ((a decrease) OR (_ decrease)) ) OR ( _ pv decrease ))) OR ( a steel decrease ))*', وقت الاستعلام: 0.18s تنقيح النتائج
  1. 1

    Quality improvement can decrease blood delivery turnaround time: Evidence from a single tertiary-care academic medical center حسب Hammad Y.A.

    منشور في 2018
    "…The transport time significantly decreased from an initial majority of > 15 mins duration, to a majority of < 15 mins transport time after the second audit; there was a 50% improvement in 30 mins response time; and the percentage of requests processed in < 10 mins were significantly higher after the second audit. …"
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    Understanding the Scales Formation Inhibition Mechanism on C-Steel in a Sour Media حسب Al-Qahtani, Noora

    منشور في 2019
    "…A series of experiments were conducted at ambient (RT), 50 oC and at 80 oC using different combinations of inhibitors (A and B). …"
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    Corrosion behavior of API X100 steel material in a hydrogen sulfide environment حسب Okonkwo, Paul C.

    منشور في 2017
    "…The results indicate that the corrosion rate of API X100 steel decreases with increasing H2S bubbling time due to the increase in H2S concentration in 3.5% NaCl solutions. …"
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  7. 7

    Quantification of pv power and economic losses due to soiling in Qatar حسب Zeedan A.

    منشور في 2021
    "…Soiling losses of photovoltaic (PV) panels due to dust lead to a significant decrease in solar energy yield and result in economic losses; this hence poses critical challenges to the viability of PV in smart grid systems. …"
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    Usefulness of In-Situ Synchrotron Study on Scale Formation during CO2 Corrosion of Mild Steel: A Review حسب Sk, Mobbassar Hassan

    منشور في 2016
    "…500 mV (vs SCE), together with the intensities of the Fe and FeCO3 signals from the in-situ synchrotron XRD [1]. There is a clear peak in the current transient, with the XRD results showing FeCO3 formation during the increasing portion of this transient and then a rapidly decreasing rate of FeCO3 formation as the anodic current decreases towards the end of the test, indicating the growth of a protective surface scale. …"
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    Towards understanding the effects of climatic and environmental factors on solar PV performance in arid desert regions (Qatar) for various PV technologies حسب Touati F.

    منشور في 2012
    "…It was estimated that 100 days of dust accumulation over mono-crystalline PV panels, caused the efficiency to decrease by around 10%. …"
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    Enhancing the corrosion resistance of reinforcing steel under aggressive operational conditions using behentrimonium chloride حسب Radwan A.B.

    منشور في 2019
    "…Using only a 50 ?mol L?1 of BTC, we are able to measure an inhibition efficiency of 91, 79, and 71% in SCP solution with 3.5% NaCl at pH of 12.5, 10 and 7, respectively without showing any effect on the mechanical properties on the cured mortars. …"
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  11. 11

    Effects of environmental and climatic conditions on PV efficiency in qatar حسب Touati, F.

    منشور في 2013
    "…It was estimated that 100 days of dust accumulation over Mono-crystalline PV panels, caused the efficiency to decrease by 10%. …"
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    EV impact on the residential distribution network with smart PV inverters حسب Abdullah, Heba

    منشور في 2020
    "…Varying the inverter to PV ratio for smart operation from (1.1) to (2) further decreases the system losses. …"
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    Corrosion inhibition of API X120 steel in a highly aggressive medium using stearamidopropyl dimethylamine حسب Radwan, A.Bahgat

    منشور في 2017
    "…The inhibition efficiency of the stearamidopropyl dimethylamine (SAPDA) surfactant for the corrosion of API X120 steel in a 0.5 M HCl solution at different temperatures was investigated using different electrochemical and microscopy techniques. …"
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    Investigation of the temperature-relatedwear performance of hard nanostructured coatings deposited on a s600 high speed steel حسب Santecchia E.

    منشور في 2019
    "…The aim of this work was to evaluate the tribological performance of two commercially available thin hard coatings deposited by physical vapor deposition (PVD) on a high speed tool steel (S600) under extreme working conditions. …"
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    Biocorrosion behavior of biodegradable nanocomposite fibers coated layer-by-layer on AM50 magnesium implant حسب Abdal-hay, Abdalla

    منشور في 2016
    "…The results showed that the AJS 3D membrane fiber layers, particularly the hybrid membrane layers containing a small amount of nHA (3wt.%), induce a higher biocorrosion resistance and effectively decrease the initial degradation rate compared with the neat AM50 coupon samples. …"
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    The mitochondrial-related effect of the 905 nm photobiomodulation therapy on 50B11 sensory neurons حسب Zupin, Luisa

    منشور في 2023
    "…In this study, a possible molecular mechanism of the 905 nm PBMT (0.25 W/cm2; 3, 6, 12, and 18 J/cm2, 5 Hz) analgesic effect was tested on 50B11 cells, by investigating its impact on mitochondria. …"
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    Long-term performance analysis and power prediction of PV technology in the State of Qatar حسب Touati F.

    منشور في 2017
    "…Results show that due to panel dusting for eight months, the PV output power decreased by 50%. Also, owing to lower ambient temperatures, clearer sky and cleaner panels due to occasional rainfall, the PV panels show higher output power in Winter than in Summer season. …"
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    Corrosion inhibition of Mild Steel at Elevated temperature in highly Acidic Brines using a green corrosion inhibitor حسب Elhaddad, Muhsen A.M.

    منشور في 2017
    "…Corrosion Inhibition of mild steel in 5 M Hydrochloric acid solution at different temperatures was investigated using a new green corrosion inhibitor (lauramidopropylamine oxide). …"
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