The development of methods and apparatus for magnetic measurements capable of an accuracy of i per cent makes it necessary to consider factors which have heretofore been considered negligible. One of these factors, the temperature coefficient of magnetic permeability, is the subject of the present paper. Many workers have studied the effects of temperature on the magnetic permeability of iron a...

Studying and analyzing the ageing mechanisms of electronic components avionics in systems such as the GPS and INAV are of critical importance. In DC-DC power converter systems electrolytic capacitors and MOSFET’s have higher failure rates among the components. Degradation in the capacitors under varying operating conditions leads to high ripples output voltages and currents affecting downstream...

National Office of Measures, Budapest, Hungaiy A new method for the absolute determination of electrolytic Conductivity based on direct current and potcntiomctrlc measurements is described. The unique design of the cell uses a removable center section whose length and crosS'Seciional area arc accurately known. Two pairs of matched Ag, AgCI electrodes are used in a four terminal mode of resistan...

In the search for greener treatment technologies, this work studies the coupling of a wind turbine energy supply with an electrolytic cell (CWTEC device) for the remediation of wastewater polluted with pesticide 2,4-dichlorophenoxyacetic acid (2,4-D). The discontinuous and unforeseeable supply of energy is the main challenge inspiring this new proposal, which aims at reducing the environmental ...

Electrolytic and metallized polypropylene film (MPPF) capacitors are among the most popular capacitors used in electronic equipments. The choice of capacitors is of major importance because one of the most frequent causes of the equipment breakdowns results from the failure of capacitors, and will therefore determine the overall lifetime of the system. Electrolytic capacitors present higher cap...

This paper describes the preparation and mechanical properties of an extensive series of very pure alloys of electrolytic iron, carbon, and manganese whose compositions were so chosen as to bring out the specific effects on pure iron of additions of manganese, additions of carbon, and additions of carbon and manganese together in varying relative proportions. The maximum content each of carbon ...

Case 1.?Rajia, Hindu male, aged 25, cultivator. Admitted 17th April, 1921. Discharged 10th June, 1921. Ulcers and Sinuses.?On admission, the patient had unhealthy looking wounds with mucopurulent discharge at the elbow and shoulder of the left arm, which he stated he had suffered from for six months. There was some surrounding infiltration and oedema. Temperature elevated. General health poor. ...