随着科研通文献互助量的日益增多，文献数据库的种类也大大增加。由于数据库的价格都非常昂贵，所以各大高校机构大都根据自己的需求购买相应的库，对于一些主流数据库（如Elsevier、Springer等）均会购买，这些对于普通的科研学习已经完全足够。但仍有部分朋友需要求助一些罕见的数据库文献（约占求助量的5%），而拥有权限的机构/用户非常少，下载难度非常大。对于这样的文献，通常建议大家提高悬赏积分，促进应助者的应助意愿，因为他们要花费大量时间或者人情去下载这类文献。
鉴于以上情况，即日起特设置『最低求助积分列表』（见后），请大家务必求助时按照要求填写积分，如果低于，系统会给予提示。几点补充说明如下：
1、下述列表之外的主流数据库最低求助积分为10积分（占求助量的95%）。
2、系统会自动检测文献数据库，如果您的积分低于指定分数，系统会给予提示，并自动调整到最低积分。请勿通过任何手段主动避开系统检测。
3、如果您对系统调整的积分不满意，在没有人应助前，您可以关闭求助，退回积分。（注：该退回积分规则对任何求助均有效，但如果有人应助且正确，则不可驳回）
4、该最低积分仅为建议，并不一定保证能求助到，可能后续需要更高的积分才有人愿意应助，这是一个求助/应助（市场供需）互相博弈的过程。
5、如果需求强烈且希望快速得到该文献，建议您配合“置顶”功能，让更多人看到您的求助。
6、下述数据库文献的价值有限（部分除外），除非您很清楚该文献的价值，否则不建议求助该数据库，特别是对于初入科研的朋友（本科、低年级硕士生），尽量不要阅读下列文献。
7、部分OA文献也在该要求之内，此种情况建议您直接自行前往官网下载，无需发布求助浪费资源。
8、下述列表会随着求助/应助的情况进行调整，如果您有任何想法或意见，欢迎评论，或通过页面底部链接反馈。
| 数据库（出版社） | 最低求助积分 |
|---|---|
 American Association for Cancer Research (AACR) | 30 |
 The American Association of Immunologists(AAI) | 30 |
 American Academy of Pediatrics | 30 |
 American Association of Petroleum Geologists (AAPG) | 50 |
 American Academy of Sleep Medicine | 100 |
 American Concrete Institute (ACI) | 80 |
 Atmospheric Chemistry and Physics (ACP) | 30 |
 American Economic Association (AEA) | 30 |
 AEPress | 100 |
 American Institute of Mathematical Sciences (AIMS) | 30 |
 The Association for Information Systems Electronic Library (AIS eLibrary) | 30 |
 AKJournals | 200 |
 Allen Press | 100 |
 American Mathematical Society | 50 |
 American Meteorological Society (AMS) | 30 |
 Academy of Management | 50 |
 American Psychological Association (APA) | 30 |
 American Psychiatric Association Publishing | 30 |
 American Phytopathological Society (APS) | 50 |
 American Institute of Aeronautics and Astronautics (AIAA) | 30 |
 华艺在线图书馆 | 30 |
 American Society of Civil Engineers (ASCE) | 30 |
 American Speech-Language-Hearing Association (ASHA) | 80 |
 American Society of Mechanical Engineers (ASME) | 30 |
 American Society for Pharmacology & Experimental Therapeutics | 30 |
 American Society for Testing and Materials (ASTM) | 50 |
 American Thoracic Society (ATS) | 50 |
 American Urological Associations (AUA) Journals | 30 |
 Begell House | 30 |
 Bentham Science | 30 |
 Journal of Biological Regulators and Homeostatic Agents | 100 |
 BioOne | 30 |
 Magnolia Press | 100 |
 Brill | 50 |
 British Standards Document (BSI) | 200 |
 Canadian Science Publishing | 30 |
 Collection of Czechoslovak Chemical Communications (CCCC) | 200 |
 Clinical and Experimental Rheumatology | 100 |
 Clinical Laboratory | 200 |
 The Chemical Society of Japan | 30 |
 DBpia | 150 |
 De Gruyter | 50 |
 Desalination | 200 |
 Diabetes | 80 |
 DPI Proceedings | 50 |
 Journals on the Web | 200 |
 Dustri Verlag | 100 |
 Earthdoc | 100 |
 Evidence based Medicine (EB Medicine) | 200 |
 EDP Sciences | 50 |
 Edward Elgar Publishing | 80 |
 eLife Sciences | 30 |
 EMBO Press | 30 |
 Equinox | 200 |
 EuroIntervention | 80 |
 Faculty Opinions | 30 |
 Future Science Ltd | 20 |
 GeoScienceWorld | 30 |
 Global Science Press | 30 |
 Guilford Journals | 30 |
 Healio | 30 |
 HeteroCycles | 200 |
 Hogrefe | 100 |
 Human Kinetics Journals | 100 |
 ICE Publishing | 100 |
 The Institute of Electronics, Information and Communication Engineers (IEICE) | 100 |
 Institution of Engineering and Technology (IET) | 100 |
 Idea Group Inc. | 100 |
 International Institute of Anticancer Research (IIAR) | 50 |
 International Journal of Pharmaceutical Compounding(IJPC) | 200 |
 Inderscience Publishers | 200 |
 Indian Journal | 100 |
 Informit | 100 |
 Ingenta | 150 |
 IOS Press | 80 |
 International Society for Horticultural Science (ISHS) | 100 |
 International Organization for Standardization (ISO) | 100 |
 John Benjamins Publishing | 100 |
 Journal of Drugs in Dermatology (JDD) | 100 |
 John Libbey Eurotext (JLE) | 150 |
 Journal of Neuroscience | 20 |
 Journal of Neurosurgery | 20 |
 Journal of Special Operations Medicine (JSOM) | 200 |
 J-STAGE | 150 |
 JSTOR | 20 |
 KoreaScience | 150 |
 Latin American Journal of Pharmacy | 200 |
 Liebert | 30 |
 Longwoods Publishing | 50 |
 Mark Allen Group (MAG) Online Library | 100 |
 Microbiology Society | 30 |
 Minerva Medica | 200 |
 Management Information Systems Quarterly | 30 |
 MIT Press Direct | 30 |
 New England Journal of Medicine (NEJM) | 20 |
 Neurology | 50 |
 OnePetro | 30 |
 Oncology Nursing Society (ONS) | 30 |
 Parenteral Drug Association | 200 |
 Philosophy Documentation Center | 100 |
 Portfolio Management Research (PMR) | 100 |
 Physicians Postgraduate Press | 50 |
 Project euclid | 30 |
 Quintessence Publishing | 30 |
 Royal College of Surgeons of England (RCSE)) | 150 |
 Respiratory Care | 80 |
 Rhinology | 30 |
 Royal Society | 30 |
 Radiological Society of North America (RSNA) | 30 |
 Sabinet African Journals | 50 |
 Society of Automotive Engineers (SAE) | 30 |
 Schweizerbart Science Publishers | 200 |
 Scientific.Net | 30 |
 Seminars in Cutaneous Medicine and Surgery (SCMS) Journals | 150 |
 Society of Exploration Geophysicists (SEG) | 30 |
 Society for Industrial and Applied Mathematics (SIAM) | 30 |
 Spandidos Publications | 80 |
 International Society for Optics and Photonics (SPIE) | 20 |
 Springer Publishing Connect | 100 |
 Taylor & Francis | 30 |
 Thieme Medical Publishers | 100 |
 University of Chicago Press | 50 |
 University of California Press | 50 |
 University of Toronto Press Journals (UTP Journals) | 80 |
 Wageningen Academic Publishers | 80 |
 Weston Medical Publishing | 100 |
 World Scientific | 30 |
 中华医学会 | 20 |
| 外语书籍 （禁止求助中文书籍或章节） | 200 |
| 外语书籍章节 | 30 |
| 学位论文 （禁止求助机构内部论文） | 50 |
| 上述之外 | 10 |
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这样看只能找所里的人要了，如果不违规的话。
不过清北中科大国科大确实是在 学位论文知识发现系统 这个里面