220GHz detection using 035 uM AMS mosfet as sub-THz detector Drain bias detraction

In this paper we present the detection of sub-THz radiation at 220 GHz by using 0.35 μm AMS Metal Oxide Semiconductor Field Effect Transistor (MOSFET). The design procedure and experimental setup are shown in order to design and characterize the MOSFETs photoresponse. The experiment and observation of photoresponse are measured against gate voltage with a drain current bias detraction at room temperature. The measured photoresponse is a superposition of a generally increasing response with a decrease in V cs coupled with a small peak approximately at threshold and there is evidence that the MOSFET can be a sensitive sub-THz detector in the room temperature

Log-normal based mutation evolutionary programming technique for solving economic dispatch problem considering loss minimization

Electricity delivery to the consumer should be implemented in such a way that, cost is minimal, loss is minimal and voltage is within the acceptable limit. In general, the voltage level should be within 95% to 105% of the nominal limit in accordance to most international standard within the power engineering community. This phenomenon is addressed as secure voltage level. The dispatch of electricity is controlled by a dispatch body of the utility in a country. Economic dispatch requires a reliable optimization technique so loss is minimal. This paper presents Log-Normal Evolutionary Programming (LNEP) technique for solving Economic Dispatch (ED) problem considering loss minimization. Validations on the IEEE 6-bus and IEEE 26-bus test systems demonstrated that LNEP is feasible and convincing is addressing the issues. It was revealed that the proposed LNEP gives better solution to solve ED problem than the Classical EP and traditional load flow.Keywords: economic dispatch; evolutionary programming, optimizatio

A hybrid analysis model supported by machine learning algorithm and multiple linear regression to find reasons for unemployment of programmers in Iraq

The problem of unemployment is one of the most important problems faced by most countries of the world, and it is one of the intractable problems in developing countries, and in Iraq unemployment occupies great importance due to its high rates. This problem in itself is a serious condition, because it results from mismanagement and the structure of the economy, and despite its great importance, it has not been carefully monitored. There are studies and strategies that deal with the analysis and study of those causes that lead to this problem, such as traditional statistical methods, various mathematical and statistical methods, in this research proposed a method uses machine learning methods to find the factors that affect the causes of this problem, as well as the multiple linear regression method

A novel Multi-permittivity Cylindrical Dielectric Resonator Antenna for Wideband Applications

In this paper, a novel multi-permittivity cylindrical dielectric resonator antenna for wideband application is presented. The multi-permittivity cylinder is formed by combining two different permittivity material sectors in such a way that each sector (with constant permittivity) is 90 degree apart. A direct microstrip line coupling terminated with T-stub at the open end is used to excite the multi-permittivity cylindrical dielectric resonator. The angular position of the multi sector dielectric resonator with respect to the longitudinal axis of the microstrip line and length of the additional strip at the open end of the feeding circuit is key parameters for wideband operation of the antenna. By optimizing all parameters of the proposed antenna, wideband impedance bandwidth of 56% (12.1 GHz - 21.65 GHz) is achieved. The average gain of the antenna throughout the bandwidth is 5.9 dB with good radiation properties in both E-plane and H-plane. A well matched simulation and experimental results show that the antenna is suitable for wideband applications

The challenge of pharmaceutical promotion regulation in Malaysia.

Information on medicines provided to doctors should be of high quality to support the quality use of medicines. Pharmaceutical promotion is used by pharmaceutical companies to disseminate information about their medicines to doctors. Although the companies claim that promotion offers evidence-based information, research shows that pharmaceutical promotion often provide bias and poor quality of information that may negatively influence doctors' prescribing behaviour. In Malaysia, the pharmaceutical market is highly competitive. It appears that pharmaceutical companies actively promoting their medicines to Malaysian doctors. Given the absence of a comprehensive independent source of prescribing information in Malaysia, Malaysian doctors may be more likely to rely on medicines information provided by pharmaceutical companies. Clearly, pharmaceutical promotional activities in Malaysia need to be effectively regulated. This article will discuss the regulation of pharmaceutical promotion and current policy challenges in Malaysia

Assessment of anxiety and depression after lower limb amputation in Jordanian patients

Ziad M Hawamdeh1, Yasmin S Othman2, Alaa I Ibrahim31Department of Physical Therapy, Faculty of Rehabilitation Sciences, University of Jordan, Amman, Jordan; 2Department of Orthotics and Prosthetics, Faculty of Rehabilitation Sciences, University of Jordan, Amman, Jordan; 3Lecturer, Department of Physical Therapy for Pediatrics and Pediatric surgery, Faculty of Physical Therapy, Cairo University, Giza, EgyptObjective: This study aimed to assess the prevalence of anxiety and depression among Jordanian lower limb amputees with different clinical characteristics and sociodemographic data (gender, marital status, social support, income, type and level of amputation, and occupation).Methods: Participants were 56 patients with unilateral lower limb amputation with mean duration (8.4 ± 5.75 years). They were recruited from inpatient and outpatient clinics of Jordan University hospital, Royal Farah Rehabilitation Center, and Al-basheer hospital in Amman, Jordan. Participants responded to a questionnaire that included a battery of questions requesting brief information about sociodemographic variables and characteristics of amputation. The level of depression and anxiety in each participating patient was assessed by the Hospital Anxiety and Depression Scale (HADS).Results: The prevalence of anxiety and depressive symptoms were 37% and 20%, respectively. Factors associated with high prevalence of psychological symptoms included female gender, lack of social support, unemployment, traumatic amputation, shorter time since amputation, and amputation below the knee. These findings were confirmed by a significant reduction of anxiety and depression scores in patients who received social support, patients with amputation due to disease, and patients with amputation above the knee. Presence of pain and use of prosthesis had no effect on the prevalence.Conclusions: The findings of the present study highlight the high incidence of psychiatric disability and depression in amputees; it also showed the importance of sociodemographic factors in psychological adjustment to amputation. It is suggested that psychiatric evaluation and adequate rehabilitation should form a part of their overall management.Keywords: amputees, depression; anxiety, rehabilitatio

Preparation and Characterization of Mo(VI) and Mo(IV) Complexes with Schiff Base Ligands Bidetentate Derived from Salicylic Acid Hydrazide and The Study of Their Biological Activity

Mo(VI), and Mo(IV) complexes with two Schiff base ligands derived from salicylic acid hydrazide with 4-dimethylaminobenzaldehyde and 4-Nitrobenzaldehyde have been prepared and characterized by several techniques: infrared and electronic spectra, magnetic susceptibility, molar conductance measurements, and the metal content in complexes are estimated by gravimetric analysis. Based on this study square pyramidal structure for Mo(IV) complexes and octahedral structure for the Mo(VI) complexes are proposed. The biological activity of these are studied against two strain gram +ve bacteria (Staphalococcus auras, P.aeruginosa) and two strain gram -ve bacteria (E.coli, Enterococcus ) and yeast Candida albicans to assess their inhibiting potential. The results show the two ligands are inactive against Staphalococcus auras and they have moderate activity against the rest microbactrial organisms, the antimicrobial screening show that complex [MoO (Lb)2] exhibit the most activity against the two types of bacteria and the complex [MoO (La)2] exhibit the most activity against the yeast Candida albicans