Titlebook: Reviews of Environmental Contamination and Toxicology Volume 257; Pim de Voogt Book 2021 The Editor(s) (if applicable) and The Author(s),

新陈代谢

PRO

Halfhearted

Adenoma

Inoperable

Micro and Nano-Plastics in the Environment: Research Priorities for the Near Future,e most controversial points to better orient the research efforts for the near future. Some of the major issues that need further efforts to improve our knowledge on the exposure, effects and risk of micro/nano-plastics are: harmonization of sampling procedures; development of more accurate, less ex

ESO

Ostrich

Nuclear Arms Control: Obstacles to Agreementsuccessful accord. Asymmetry in the number and quality of nuclear weapons and the lack of national consensus to negotiate are also addressed as major barriers to arms control agreement. Practical recommendations on how to overcome those issues are presented and discussed.

道学气

Judicious

A Multi-factor Tag-Based Personalized Search user preferences based on multiple factors. Our experiments show that users’ preferences can be elicited from a multi-factor tagging data and personalized search based on user preference yields significant precision improvements over the existing ranking mechanisms in the literature.

Delectable