For problems of being easily affected by environment, low detection decision and poor stability in traditional methane detection system, Boxers a distributed multi-point laser methane detection system was designed based on tunable diode laser absorption spectroscopy technology and space division multiplexing technology.The system adopts distributed

Child healthcare has been a priority subject in several programs and public policies developed over the decades.However, initiatives implemented seem insufficient to overcome the challenges regarding the integral development and improvement of the nutritional status of children in Brazil.The initial developmental stages of a child include pregnancy

In this paper, the effects of transverse cracks on rotating shaft were studied.According to earlier works, crack shaft failure decrease the critical speed of the shaft and also exhibit a nonlinear vibration behaviour leading to increases the amplitude of 1X and 2X harmonics (first and second order of rotational speed in torsional Long-Sleeve vibrat

I congratulate the author for bringing this topic regarding the ethical dilemmas faced by NGOs when a perpetrator of torture requests a clinical evaluation to prove claims of persecution or being victim of torture.Such Necklaces dilemmas may arise in the case of NGOs whose primary mission is to provide supportive documentation for asylum claims by

The paper discusses the nature of values in general and the nature and utility of the values of librarianship.Delineates the changes that have occurred and are occurring in the wider world and the nature of change; also the importance of values in providing a framework for Glass dealing with present and future change.Stresses the centrality of the