Riyadh Mohammed Ali Hamza‚ Abdulkareem Aloraier‚ Emad Abdulradh Al-Faraj INVESTIGATION EFFECT OF WELDING POLARITY IN JOINT BEAD GEOMETRY AND MECHANICAL PROPERTIES OF SHIELDED METAL ARC WELDING PROCESS INVESTIGATION EFFECT OF WELDING POLARITY IN JOINT BEAD GEOMETRY AND MECHANICAL PROPERTIES OF SHIELDED METAL ARC WELDING PROCESS Riyadh Mohammed Ali Hamza‚ Abdulkareem Aloraier‚ Emad Abdulradh Al-Faraj ABSTRACT- The aim of this paper is to study the effect of welding polarity of the shielded
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stimulation (tDCS) is a noninvasive neuromodulation technique that is safe and inexpensive. The mechanisms of tDCS include the transmission of a consistent‚ low electric current through the scalp through two electrodes‚ the anode and the cathode. The anode is the positively charged electrode that has the ability to stimulate neuronal activity while the cathode inhibits brain cell activity. Rather an invoking the action potentials in neurons by changing the magnetic fields over the scalp like what
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electromyogram (EMG). As the lab began‚ students were to divide into groups and choose a person who would have their muscle activity recorded as the lab went on. Group participants attatched electrodes to the group’s chosen test subject‚ then recording leads‚ connected to the iWorx box‚ were attatched to the electrodes. After being hooked up to the machinery and computer‚ the lab proceeded with flexing and extending of the wrist while the machine recorded the muscle activity and the computer screen provided
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CHAPTER ONE INTRODUCTION A. STATEMENT OF THE PROBLEM This study aims to find out how long a lemon (Citrus limon) can last as a lemon battery powering a digital clock. B. HYPOTHESIS The researcher assumes that one lemon would last for a day or two and that the usage of more lemons would entail a longer battery time. C. OBJECTIVES Specifically‚ it aims to: 1) come up with a quantity-longevity ratio with the use of a varied quantity of lemons in the production of a lemon battery 2) find
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Smart solutions overview of street light system in TI grounding system There are many of electrical equipment which can be accessed by the public; however‚ some of them cannot be physically controlled by the operator. One of them is street light system which needs to be protected in order to prevent shock hazards under the fault conditions. Generally‚ street lighting systems are distributed in a large area including urban and sub urban. If fault happens‚ the metal case of these systems might raise
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Investigatory Projects in Physics | Repulsorlifts as a Method of Stable Magnetic Levitation | Repulsorlifts were used in the study to find out if they can be used to replace the wheels of a conventional car. It was hypothesized that it will be able to lift a car using magnetic repulsion forces. The different magnets were tested individually with the usual tests for magnetic strength‚ size‚ and temperature increase‚ which were done in the preliminary testing. The prototype road and car were
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Electrochromic devices: smart glass Aekachan Pichitpajongkit International school of engineering‚ Chulalongkorn university‚ Bangkok‚ Thailand Email:ake8843@hotmail.com A typical and most widely studied example is the tungsten trioxide (WO ) system. Tungsten trioxide (W ) is a transparent film but on electrochemical reduction‚ W give the electrochromic effect (blue coloration to the film). Although‚ there is still controversy about the detailed coloration mechanism‚ it is generally accepted that
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The purpose of this paper is to briefly explain and analyze the characteristics involved during the treatments of Electroconvulsive Therapy (ECT)‚ including a brief history of ECT‚ the indications for using ECT‚ the process during the procedure‚ and a brief personal analysis and discussion about the treatment‚ and a synopsis of the article “I Feel Good‚ I Feel Alive”. In the early 1900’s‚ treatment for noetic illness was constrained with psychotherapy or inpatient confinement being the
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processor transmits the digitally-coded sound through the coil on the outside of your head to the implant. In which the implant then converts the digitally-coded sound into electrical impulses and sends them along the electrode array placed in the cochlea. Lastly the implant’s electrodes stimulate the cochlea’s hearing nerve‚ which the4n sends the impulses to the brain where they are interpreted as sound. Opposed to the hearing aid the cochlear provides a better hearing quality and a previous study
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and 100 times (10 times 10) more alkaline than pH 8. Primary pH standard values are determined using a concentration cell with transference. This measures the potential difference between a hydrogen electrode and a standard electrode. Measurement of pH for solutions can be done with a glass electrode and a pH
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