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    •   Intellectual Repository at Rajamangala University of Technology Phra Nakhon
    • Faculty and Institute (คณะและสถาบัน)
    • Institute of Research and Development
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    เสงี่ยมวิบูล, วรวัฒน์ (9)
    สุวรรณทา, ณัฐวุฒิ (4)หงษ์ประสิทธิ์, เศวษ (2)อังควิศิษฐพันธ์, นิวัตร์ (2)อาจหาญ, กิตติพงค์ (2)โพธิ์ทอง, ชลธี (2)จันทร์โสม, ณัทปภา (1)ศิรมงคลกานต์, ธนกร (1)สมบูรณ์, สมศักดิ์ (1)สายรัตน์, กุลธวัช (1)... View MoreSubject5 GHz (1)AC-Generator (1)Air Dried Sheet Rubber (1)Back-Pain Level (1)Bean Sprout (1)Bees algorithm (1)CMOS voltage reference Circuit (1)Complementary to absolute temperature (1)Electromyography (1)Inter Digital Electrode (1)... View MoreDate Issued2015 (9)

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    Detection of the transparency of air dried sheet rubber using solar cell module 

    อาจหาญ, กิตติพงค์; โพธิ์ทอง, ชลธี; เสงี่ยมวิบูล, วรวัฒน์ (2015-05-14)
    The purposes of the research were; 1) to develop the detection of the transparency of air dried rubber sheet (ADS) using solar cell module, 2) to find the average voltage according to the standard ADS grade market level, ...
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    Variables affecting to signal strength of wireless networks 5 GHz 

    เขียวสังข์, ภาสกร; สุวรรณทา, ณัฐวุฒิ; เสงี่ยมวิบูล, วรวัฒน์ (2015-05-20)
    The climate change is a natural phenomenon and effect on atmospheric which is the media of wireless communication. For the high performance in the telecommunication system, this study therefore, aimed to study the variables ...
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    Current-mode quadrature sinusoidal oscillator using uperational transconductance amplifier (OTAs) 

    สมบูรณ์, สมศักดิ์; เสงี่ยมวิบูล, วรวัฒน์; หงษ์ประสิทธิ์, เศวษ (2015-05-20)
    This paper presents a quadrature sinusoidal oscillator, providing sinusoidal signal, which differs in phase. The features of the proposed circuit can be electronically controlled. The proposed circuit consists of 4 ...
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    Exciting permanent-magnetic-field affecting to the bean sprout growing 

    จันทร์โสม, ณัทปภา; สุวรรณทา, ณัฐวุฒิ; เสงี่ยมวิบูล, วรวัฒน์ (2015-09-15)
    The purpose of the research was to study the exciting permanent-magnetic-field affecting to the Bean Sprout growing. The comparison of control-group (or unexcited seed) of the Chainat-72 seed and exposure-group seed where ...
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    The study of correlation between electromyography and Back-Pain Levels 

    สายรัตน์, กุลธวัช; สุวรรณ์, วิษรุจน์; สุวรรณทา, ณัฐวุฒิ; อังควิศิษฐพันธ์, นิวัตร์; เสงี่ยมวิบูล, วรวัฒน์ (2015-05-14)
    The study aimed to investigate and compare the back-pain level, peak-to-peak voltage and period time of Electromyography (EMG). The sample of this study was 31 patients of Yasothon Hospital. The instrument consisted of an ...
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    Design of cmos voltage reference circuit 

    สุขสวัสดิ์, อติราช; เสงี่ยมวิบูล, วรวัฒน์; หงษ์ประสิทธิ์, เศวษ (2015-05-20)
    This paper presents a CMOS voltage reference design, which is widely used in electronic circuits, both analog and digital circuits. In the conventional, a CMOS voltage reference circuit design composed of several MOS ...
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    Optimal location and size of solar farm on power system using bees algorithm with consideration of solar radiation 

    ศิรมงคลกานต์, ธนกร; โพธิ์ทอง, ชลธี; เสงี่ยมวิบูล, วรวัฒน์ (2015-05-19)
    A solar energy is most popular renewable energy source which can reduce usage of fuel in thermal generation and impact on environment. The solar energy is a clean and sustainable source. This paper proposed method of finding ...
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    Detection of the water added in raw milk using inter digital electrode 

    เริงฤทธิ์, สิทธิศักดิ์; อังควิศิษฐพันธ์, นิวัตร์; เสงี่ยมวิบูล, วรวัฒน์ (2015-05-20)
    The objective of this study was to develop a technique for detection of the water added in raw milk using Inter Digital Electrode (IDE), other than using conventional methods such as determination of specific gravity or ...
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    The relative rotation affecting to AC-Generator 

    เพ็ชร์ไทย, กานต์; อาจหาญ, กิตติพงค์; สุวรรณทา, ณัฐวุฒิ; เสงี่ยมวิบูล, วรวัฒน์ (2015-05-14)
    The purposes of the research were; 1) to study the relative rotation of AC-generator 2) to study the angular velocities of magnetic coil and permanent magnetic influence generating voltage of AC-generator, and 3) to construct ...

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