Addressing ecologists, legislators, lawyers, and industrialists alike, Ruth Patrick asks what has been accomplished with the millions of dollars spent on upgrading our surface waters. Has the water im
Addressing ecologists, legislators, lawyers, and industrialists alike, Ruth Patrick asks what has been accomplished with the millions of dollars spent on upgrading our surface waters. Has the water im
The average person in the UK will take more than 14,000 pills over the course of their life, yet few people consider the long road of development that has made that drug work without being toxic. An I
Modern, original fiction for learners of English. An English company executive in India is dismissed after he tries to uncover corruption within his company. He returns to England where his life falls
Dan Combes是一個前任英國海外情報處MI6情報員，目前定居法國過著平靜的日子。但有一天他突然受到以前同事的襲擊，他才終於了解原來他與情報處的關係尚未了斷。他相信受到攻擊必定與以前在柏林和中美洲的執行的任務有關，但那已經是五年以前的事了，為什麼他們現在要致他於死地？Dan被迫回到英國，去面對那個痛苦的過去——謊言與狡詐交織的世界，這次他必須做一個真正的了斷。 Dan Combes is a
The fully revised edition of this 'classic' helps teachers give their learners the tools they need to express themselves through a range of stimulating drama contexts. This completely revised edition
Rivers of the United States, Volume 5, Part B: Gulf of Mexico is an essential volume for studying water-related issues of the region.Provides authoritative coverage by a world-renowned expert on limno
Instant Notes in Medicinal Chemistry provides concise coverage for undergraduates studying medicinal chemistry as part of a science, pharmacy or medical course. It is a truly multidisciplinary subject
The six-volume of Rivers of the United States provides an integrated and comprehensive examination of all the major rivers and estuaries of the contiguous United States. This fifth volume, the second
Presents general information, much of it new and original, on the physical and chemical characteristics of riverine systems that can be used to evaluate the structure and functioning of the ecosystems
Begins a series of six volumes on the structure and functioning of ecosystems in headwaters, main stems, and estuaries of riverine systems of the US. Estuaries were selected primarily to represent geo
The 1990 Amendments to the Clean Air Act created an entirely new program for the regulation of toxic air pollutants. As a result, the sources of these pollutants have been required to upgrade their co
