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Designing of Very Large Scale Integrated Circuits (VLSI) operates at Megahertz and Gigahertz satisfying the design constraints for desired applications is a challenging job due to various reasons like transient time effect, high power requirement and consumption etc. Phase Locked Loop (PLL) is an important integrated circuit used in various areas of communications. Frequency synthesizers when used in Frequency Hopping Spread Spectrum (FH-SS) requires strict timing synchronization between transmitting and receiving system for successfully despreading and the power consumption is also high due to high frequency operation. In this contribution a new scheme has been proposed, in which frequency hopping transmitter and receiver has been operated at intermediate frequency and the same hopping rate was obtained as can be achieved by fast hopping spread spectrum operated at high frequency and therefore requires low speed frequency synthesizers and offers many advantages like more user capability, Low cost and simple amplifiers, filters, ADC and DAC converters requirement. The IFH-SS transmitter and receiver based on proposed intermediate frequency hopping spread spectrum has been experimentally verified. The results of experimental investigation have been presented in the paper. The waveforms obtained at various check nodes have also been presented.

The objective of this web application is to develop a system to conduct online tests in various domains and functional areas. The purpose is to enable a fast evaluation of applicant’s skills and abilities. Online Analytical Examination is the application useful to conduct online examination for an organization, Academic institutions and training centers. It is an excellent test management, which offers a complete solution for Computer Based Test (CBT). It keeps all the records of conducted exams, score reports and other info.The aim of “Online Analytical Examination” system is to take online test in an efficient manner and no time wasting for checking the paper. The main objective of online exam is to efficiently evaluate the candidate thoroughly through a fully automated system that not only saves lot of time but also gives fast results for students the paper are given to students as their convenience and time and there is no need of using extra thing like paper, pen etc.

Effect of roasting temperature and time on the total polyphenols, flavonoids, total antioxidants and antioxidant properties of tigernut was studied using response surface methodology. Tigernut samples were roasted in an oven at the range of 150 – 200oC for 20 – 50 min. Out of the responses, only radical scavenging activity was not significantly affected by the roasting conditions. Roasting temperature affected the antioxidant contents significantly (p > 0.05) than roasting time. The optimum roasting temperature and time obtained was 200 oC for 20 min. The experimental values were very close to the predicted values and were not significantly (p > 0.05) different.

Asthma is a respiratory disease that is common in Saudi Arabia and characterized by sporadic occurrence of bridge, chronic inflammation of the airways involving recurrent airflow obstruction and increased responsiveness to a variety of stimuli. Recent research suggests that airway inflammation is the most cause of the episodes of airflow limitation in asthma which lead to increase oxidative stress. This imbalance between oxidant and antioxidant has been increasingly recognized as a big factor contributing to the chronic inflammation. Therefore, the aim of this review is to describe the role and origin of the oxidant-antioxidant disturbances that participate in the pathophysiology of airway inflammatory diseases. We have updated existing information about effects (effects of oxidants in the lung) of reactive oxygen and nitrogen species in the lung including the mechanisms of their damaging effect. The first section focuses entirely on the symptoms, the types and stages of bronchial asthma. The second section investigates the role of oxidant-antioxidant imbalance in disease progression of asthma. The last section outlines the therapeutic value of available antioxidant herbals and vitamins that could improve oxidant-antioxidant balance in bronchial asthma disease.

Publication has its own importance for professionals. It is better to examine and encourage the young scholars. This article examines the perceptions of the professional faculty regarding the difficulty in publication in the field of finance, marketing, human resources management. Data was collected from Rawalpindi/Islamabad professionals. In this study descriptive tools used to analyzed the data. There was mixed response regarding the publication in Journals. It is also observed that institution tend more credit to the co authorship.

Polyurethane coatings are formed from the chemical reaction between polyol and polyisocyanate hardener. By varying the concentration of isophorne diisocyanate, two component polyurethane coatings have been prepared with the blending of epoxy polyol and isophorne diisocyanate (IPDI). Totally seven types of experiments were conducted with the prepared blend mixtures. All these experiments were based on the solid contents of the hydroxyl equivalent weights of epoxy polyol and NCO equivalent weight of IPDI. Films were coated on the mild steel using the clear polyurethane solution. The Electrochemical Impedance Spectroscopy (EIS) was used to characterize the coated film. The formation of the polyurethane was confirmed FTIR spectral data.

Images containing faces are essential to intelligent vision-based human computer interaction, and research efforts in face processing include face recognition, face tracking, pose estimation, and expression recognition. The rapidly expanding research in face processing is based on the premise that information about a user’s identity, state, and intent can be extracted from images and that computers can then react accordingly, e.g., by knowing person’s identity, person may be authenticated to utilize a particular service or not. A first step of any face processing system is registering the locations in images where faces are present. However, face registration for whole database is a challenging task because of variability in scale, location, orientation (up-right, rotated), and pose (frontal, profile). Facial expression, occlusion, and lighting conditions also change the overall appearance of face. The Image registration algorithm will register all these images present in the database. The face recognition algorithm which is insensitive to large variation in lighting direction and facial expression is to be implemented. Taking a pattern classification approach, each pixel in an image can be considered as a coordinate in a high-dimensional space. The advantage of this is that the images of a particular face, under varying illumination but fixed pose, lie in a 3D linear subspace of the high dimensional image space—if the face is a Lambertian surface. However, since faces are not truly Lambertian surfaces and do indeed produce self-shadowing images will deviate from this linear subspace. Rather than explicitly modeling this deviation, project the image into a subspace in such a manner which discounts those regions of the face with large deviation. This is achieved by using dimension reduction techniques like Principal component analysis (PCA), Linear Discriminant analysis (LDA), Laplacian faces, and other modified approaches like A Priori Laplacian and PCDA.

This study investigates the different montages used in mounting silkworm before spinning of cocoon. In this investigation, palm fronts, basket, woven montages were used along with the plastic ones to study their efficacy. The silkworms were brushed into the rearing tray from disease-free egg card. After feeding on mulberry leaves for several days, silkworms of the 5th instars stop feeding and begin to spin cocoon. The result showed that 78% cocoon was formed from the palm front montage. This was followed by plastic montages 58%; woven montages 54%; but basket montage does not support the formation of cocoon 0%. The quality parameter that were measured include, cocoon weight, filament weight, filament length and pupa weight. Palmfront montages have the highest cocoon weight1.684gm, filament weight 0.125gm and pupa weight 1.235. The results obtained were summarized in table and graph. The palm fronts, from oil palm tree, are readily available to the rural and urban farmers in the community, exhibit the best cocoon formation. Palmfront montages, plastic montages and woven montages support the formation of cocoon. However the use of palmfront could be encourage having shown a better quantity and quality parameters.

The present study aimed to determine the relationship between self-regulation and self-esteem with Resiliency of adolescent was conduct in Borazjan secondary schooldays, thus, it’s descriptive study. Participants in the study were 200 boys and girls students of Borazjan high schools who were selected with random multi-stage cluster sampling method. For data gathering, self-regulation Questionnaire (SRQ), Cooper Smith scale of self-esteem and Connor-Davidson Resilience Scale (CD-RISC) were used. The results of Pearson correlation between self-regulation and self-esteem with resiliency show that self-regulation, general self-esteem , social self-esteem and academic self-esteem have a positive and significant relationship with resiliency, But, there is no significant relationship between family self-esteem and resiliency. Also, step-by-step regression results for determine of effect size of self-regulation and self-esteem on resiliency show that the social self -esteem (0/16), general self- esteem (0/22) and self-regulation (0/20) have predictive power of resiliency, But family self- esteem and academic self- esteem haven’t predictive power of resiliency. Based on these findings, can understood that adolescents with high self-esteem and self-regulation, may have the greater opportunity and possible for self-determination, self-expression, self-awareness, self-regulation and self-synergy that these psychological constructs affect the resiliency of people.

The aim of this article is to examine the advantages and disadvantages of extending the retirement age for employees in Malaysia. Retirement falls under as one of the phases of career development, which happens to be the last phase of an individual’s career. As the last phase of employment, people have different views regarding the retirement period. Some can easily accept it as it is and some other may find it hard to face. This article will emphasize on the pros and cons of extending the retirement age as some organizations feel that it is necessary, while some other organizations refuse to. The article highlights the different point of views of different countries on this matter.