这是ProQuest学位论文数据库的网站。该数据库是由ProQuest公司建立的，是迄今世界上最早、最大的博硕士论文文摘和全文数据库。目前收集有160万多篇高校博硕士论文的文摘索引，还收录了2001年后博士学位论文全文近万篇。学科覆盖了生物学和农业等诸多领域。国内若干高校图书馆联合购买了部分ProQuest学位论文全文，可提供ProQuest博士论文PDF格式全文的网络共享。中科院上海生命科学研究院用户可免费使用。

This is a website of ProQuest Digital Dissertations (PQDD). This database created by ProQuest is the earliest and largest collection including 1,600,000 abstracts of dissertations from universites, and possesses almost 10,000 fulltexts of dissertations since 2001. Biology and agriculture are involved. Some libraries of universities in China has purchased and provided part of fulltextes of PQDD in PDF format. This database is available only after subscribed but the users of Shanghai Institutes for Biological Sciences can freely read it.