With the rapid development of antenna and wireless communication technologies, the requirements for accuracy, efficiency, ...
This is a preview. Log in through your library . Abstract Sampling the density and basal area of trees is fundamental to quantitatively characterizing forests and woodlands. Commonly used sampling ...
This is a preview. Log in through your library . Abstract Objectives: To assess the validity, feasibility, and acceptability of 2 methods of self-sampling compared to clinician sampling during a ...
The United Kingdom and the United States share many similarities but are distinctly different in the way each nation structures and enforces their respective health and safety legislation, monitoring ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果