Investing is an activity that sacrifice the resources at this time in hopes of gaining greater profits in the future.Before making an investment decision, an investor will consider many factors, one of which is about risk.There are two types of risk, systematic risk and Spoiler unsystematic risk.Systematic risk is reflected in the value of beta coe
Data broadcast is a fundamental operation in wireless sensor networks (WSNs).The existence of wireless interference makes it nontrivial to design a minimum-latency broadcast scheme, which is known to be NP-hard.Existing works all assume strict time synchronization and provide centralized TDMA scheduling algorithms.However, WSNs in practice are more
In the defense industries, R & D and future studies are essential because of the rapid technological changes.Defense research organizations can use the capabilities of other research centers, universities, and industry in meeting their research needs.However, the proper exploitation and the effectiveness of using external capabilities depend on the
Basic sanitation services are essential for human development, promoting health and inhibiting the spread of waterborne diseases.The availability of information on water and sanitation services at the local level supports the formulation, implementation and improvement of public policies aimed at advancing the provision of basic sanitation services