Bücher von Shivendra Singh

The main purpose of this book is to provide easy understanding of common named reactions to students. The overall content of this book is presented in such a way that students can easily understand the named reactions and their mechanisms. We have also included relevant examples from research articles with proper citations. 75 crucial named reactions with their mechanism are described in this book.The book will be helpful for B.Sc. (Chemistry) and M.Sc. (Chemistry) students. Further, it will also be helpful for NEET, IIT- JEE, JAM, NET, GATE and other competitive exams.

'Human Rights' may be a twentieth-century term for what had been generally referred to as "Natural Rights" or, during a more appealing phrase, the "Rights of Man" The thought of "Rights of Man" and other such ideas of human rights are as old as humanity. Human beings are rational. Under being human, they possess certain basic and inalienable rights, commonly referred to as human rights. They become operative with their birth. Human rights, being the birthright, are therefore inherent altogether citizenry regardless of their caste, creed, religion, sex, and nationality. Human rights also are sometimes mentioned as fundamental rights! 'Basic rights', 'inherent rights', 'natural rights' and 'birthrights.

Secure communication is the prime requirement of every organization. In today¿s world the security has become the major aspect of life. One essential aspect for secure communications is that of secret key Cryptography. It includes the process of encryption that converts plain-text into cipher-text. The process of decryption reconverts the cipher-text into plain-text. Various models were developed for the encryption in which keys were generated from the available data. Data Encryption Standard (DES) is the most commonly used algorithm for security purpose that was announced by National Bureau of Standard. It is the strongest algorithm but due to large processing time, it can be easily broken by the eavesdroppers.