全球科研項目數據庫
更多> 共收錄數據:45072813 今日更新項目:2455- 1.柔性直流技術不僅可以解決高滲透率可再生能源接入運行控制等技術難題,而且可以靈活控制系統潮流、分擔可再生能源波動,實現更廣范圍可再生能源的時空互補和優化運行,是解決未來大量微網集成聚合控制與運行管理的良好方案。如何利用柔性直流互聯多個微網,解決可再生能源和微網發展的技術瓶頸,是一項具有理論與現實意義的研究課題。本項目圍繞柔性直流互聯下的多微網互聯互補利用展開,以網絡結構設計為基礎,研究了系統轉供互動功率傳輸范圍與運行邊界,提出了基于網絡結構和運行模式耦合的系統協調優化配置方法。本項目的研究成果可以為多微網柔...
- 2.利用間充質干細胞(mesenchymal stem cells,MSCs)受趨化因子歸巢到損傷部位是干細胞治療研究的重要策略之一,我們發現CCL7因子在產傷后壓力性尿失禁(stress urinary incontinence,SUI)動物尿道局部大量表達,并對MSCs在尿道局部聚集活化顯著。據此通過SILAC等蛋白篩查發現并確認CCL7刺激后MSCs的Agrin及下游通路蛋白顯著升高;進一步臨床上對手術治療SUI病人篩查CCL7及Agrin,發現Agrin表達顯著減少和曾有嚴重產傷后SUI顯著相關。CC...
- 3.Complement and Pathogenic Mechanisms of AMD 譯 - The Funding of U.S. Department of Health & Human Services Non-SBIR/STTR RPGs 2014DESCRIPTION (provided by applicant): Age-related macular degeneration (AMD) is a leading cause of visual dysfunction worldwide. It is characterized by the accumulation of extracellular lipid- and protein-containing deposits between the retinal pigment ep...
- 4.云計算深刻改變了現代信息服務的計算、存儲和管理模式,當前愈來愈多的信息選擇存儲到遠端云服務器中。但用戶和云服務提供商之間缺乏互信,用戶數據不得不先加密后存儲到云中。正是因為文檔在云端以加密形式存儲,使得傳統檢索模型都因無法理解文檔而失效,云信息檢索面臨極大的挑戰。為了解決這一難題,首先,課題研究基于貝葉斯風險模型的云信息檢索風險建模。通過將云檢索視為特殊的信息檢索問題,在貝葉斯風險模型框架下實現云檢索的最小風險建模。在此基礎上,研究適用于云計算場景的云文檔關鍵詞分析、抽取與索引建立機制?;谠~語空間分布和...
- 5.Exploring Planar Cell Polarity in A Novel Invertebrate Chordate System 譯 - The Funding of U.S. Department of Health & Human Services Non-SBIR/STTR RPGs 2013DESCRIPTION (provided by applicant): The proper functioning of tissues and organs requires polarized cells. Cells acquire polarized morphologies (i.e., differences in subcellular composition from one side of the cell to the other) through various mechanis...
- 6.Community Clinical Oncology Program 譯 - The Funding of U.S. Department of Health & Human Services 2005DESCRIPTION: (Applicant's Description) The Mayo Clinic, through the vehicle of the North Central Cancer Treatment Group (NCCTG), will serve as a primary research base for the following 15 CCOPs: Ann Arbor Regional CCOP, Carle Cancer Center CCOP, Cedar Rap...
- 7.Understanding Ethnic Differences in Cancer: The Multiethnic Cohort Study 譯 - The Funding of U.S. Department of Health & Human Services Non-SBIR/STTR RPGs 2014DESCRIPTION (provided by applicant): This application seeks support for the infrastructure of the Multiethnic Cohort (MEC) Study, which was established in Hawaii and southern California between 1993 and 1996 to study risk factors for cancer and other chro...
- 8.Stress related proteases in Caulobacter crescentus 譯 - The Funding of U.S. Department of Health & Human Services Non-SBIR/STTR RPGs 2015DESCRIPTION (provided by applicant): Bacteria use energy dependent proteases to respond to stressful conditions. These proteases serve a dual role: destroying aberrant, potentially toxic, damaged proteins and generating stress responsive signals through...
- 9.低滲油藏中相對高滲層的存在是引起注入水竄逸的主要原因,導致油藏在注水開發后期仍然存在大量剩余油未被波及。聚合物微球和低礦化度水驅是油藏深部調驅的兩種有效手段,前者側重調剖,后者側重驅油。因此,聚合物微球和低礦化度水的結合有望達到兼具調剖和驅油的雙重效果,而其二者協同增效的微觀機制尚待探索。本項目擬以低滲砂巖油藏為研究對象,對納米聚合物微球與低礦化度水復合深部調驅機理及其適應性進行研究。具體內容包括:通過表面物理化學參數表征納米微球和低礦化度水對儲層潤濕性的影響;建立油水兩相非飽和體系下黏土顆粒微觀受力模型...