A group undeniable signature scheme is proposed in which each group member can sign on behalf of the group without revealing his or her identity and the verification of a signature can only be done with the cooperation of the group manager. For business applications, group undeniable signatures can be used to validate price lists, press release or digital contracts when the signatures are comme...

â  â  love and affection from jibran's point of view â  â  â  sadegh fathi dehkordi * â  â  abstract â  from the view point of jibran khalil jibran, affection is the law of life and the base of all things in the world. affection is one of the manifestations of god and it is a light extracted from other lights. real affection is endless .the human being cannot learn affection because it is ...

The information protection of database is a crucial challenge in computer science. It ensures that any access to information kept in database is authorized, thus preventing data from unauthorized altering, destroying, and modification. We propose a novel and simple information protection scheme in this paper. The main operations of this system are ceilings and floors functions on integer. The s...

ONSIDERABLE effort, in recent years, has been devoted to improving individual, unit, and organisational effectiveness, primarily through the implementation of various types of human resources management policies and practices. Such efforts have yielded mixed results, and we believe this is because the focus of attention has been on the interface of the individual employee with the organisation ...

stylistics is one of the branches of literary criticism benefiting from linguistics and rhetoric to analyze the text and emphasizes on three essential elements namely text, writer and addressee in literary and critical examination of the work. an’ã¢m (the cattles) surah is a the long surah of koran indicating mainly three columns of islamic ideology and all the vocabulary and artistic images ...

in order to determine iron and lead content of seminal plasma in water buffalo and to study their associations with the semen characteristics, 54 semen samples were collected from 10 buffalo bulls. the semen characteristics were evaluated; its iron and lead content were estimated by atomic absorption spectrophotometer. the iron and lead content of the seminal plasma (mean ± sem) was recorded as...

microspore culture was applied to induce embryogenesis in roses (rosa hybrida) cv. hav1. important factors affecting viability of isolated microspores and formation of multi-cellular structures including isolation media (nln, ab, b) and induction media were studied. the most responsive developmental stage of microspores (late unicellular) was determined using dapi staining. the least infection ...

molecular detection techniques are believed to be key tools for both prevention and treatment follow up of brucellosis within live stock and human beings. consequently rapid, reliable, easy to perform and automated systems for brucella detection are urgently needed to allow early diagnosis and adequate antibiotic therapy in time. brucellosis is a worldwide re-emerging zoonosis causing high econ...