6篇
您的检索式：作者名="Matthew Yen"
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| 1 | 秸秆覆盖下土壤耕作非线性动态过程研究显示文摘[目的]本文旨在研究秸秆和土壤颗粒从固态到流态转变的非线性运动过程。[方法]推导建立土壤固态-流态转变非线性动态过程本构方程,基于离散单元法(DEM),模拟研究推土板在草颗粒影响下的阻力变化;搭建含秸秆耕作试验平台,建立7、13和19 mm 3种尺寸的秸秆离散元模型。[结果]由于耕作过程改变了其原有土壤的表面形态,耕作后的土壤孔隙比增加,犁后出现明显的浅沟;随着耕作的不断推进,部分颗粒会受到二次切割分离;牵引速度越大,圆盘犁面前缘隆起土颗粒越多,犁面前缘所受土壤的阻力越大,所需牵引力越大;7和19 mm秸秆向两侧位移明显,而13 mm秸秆沿犁面前缘位移明显,该尺寸秸秆与犁面发生二次接触,导致速度变化明显。[结论]耕作过程中秸秆与土壤破碎颗粒均发生复杂的非线性动态运动,物理力学性能发生不同变化,进而影响农机具的牵引功率。 | 赵吉坤 黄书君 邢蕾 Matthew Yen | 2016 | 南京农业大学学报2016，39，4： | 6 |
| 2 | Compara- tive antibacterial mode of action of purified alcalase - and tryptic - hydrolyzed palm kernel cake proteins on the food - borne pathogen Bacillus cereus 显示文摘 | Tan Yen Nee Matthews Karl R Di Rang | 2013 | Food Control2013，31，1： | 1 |
| 3 | Comparative antibacterial mode of action of purified alkaloses- and tryptic-hydro- lyzed palm kernel cake proteins on the food-borne pathogen Bacillus cereus 显示文摘 | Tan Yen Nee Matthews Karl R Di Rong | 2013 | Food Control2013，31，1： | 1 |
| 4 | Comparative antibacterial mode of action of purified alcalase and tryptichydrolyzed palm kernel cake proteins on the food-borne pathogen Bacillus cereus显示文摘 | Tan Yen Nee Matthews Karl R Di Rong | 2013 | Food Control2013，31，1： | 1 |
| 5 | MFSD7c functions as a transporter of choline at the blood–brain barrier显示文摘Mutations in the orphan transporter MFSD7c(also known as Flvcr2),are linked to Fowler syndrome.Here,we used Mfsd7c knockout(Mfsd7c–/–)mice and cell-based assays to reveal that MFSD7c is a choline transporter at the blood–brain barrier(BBB).We performed comprehensive metabolomics analysis and detected differential changes of metabolites in the brains and livers of Mfsd7c–/–embryos.Particularly,we found that choline-related metabolites were altered in the brains but not in the livers of Mfsd7c–/–embryos.Thus,we hypothesized that MFSD7c regulates the level of choline in the brain.Indeed,expression of human MFSD7c in cells significantly increased choline uptake.Interestingly,we showed that choline uptake by MFSD7c is greatly increased by choline-metabolizing enzymes,leading us to demonstrate that MFSD7c is a facilitative transporter of choline.Furthermore,single-cell patch clamp analysis showed that the import of choline by MFSD7c is electrogenic.Choline transport function of MFSD7c was shown to be conserved in vertebrates,but not in yeasts.We demonstrated that human MFSD7c is a functional ortholog of HNM1,the yeast choline importer.We also showed that several missense mutations identified in patients exhibiting Fowler syndrome had abolished or reduced choline transport activity.Mice lacking Mfsd7c in endothelial cells of the central nervous system suppressed the import of exogenous choline from blood but unexpectedly had increased choline levels in the brain.Stable-isotope tracing study revealed that MFSD7c was required for exporting choline derived from lysophosphatidylcholine in the brain.Collectively,our work identifies MFSD7c as a choline exporter at the BBB and provides a foundation for future work to reveal the disease mechanisms of Fowler syndrome. | Xuan Thi Anh Nguyen Thanh Nha Uyen Le Toan Q.Nguyen Hoa Thi Thuy Ha Anna Artati Nancy C.P.Leong Dat T.Nguyen Pei Yen Lim Adelia Vicanatalita Susanto Qianhui Huang Ling Fam Lo Ngah Leong Isabelle Bonne Angela Lee Jorge L.Granadillo Catherine Gooch Dejie Yu Hua Huang Tuck Wah Soong Matthew Wook Chang Markus R.Wenk Jerzy Adamski Amaury Cazenave-Gassiot Long N.Nguyen | 2024 | Cell Research2024，34，3： | 0 |
| 6 | 地理信息/地理信息空间系统在全球经济应用中的关键问题(英文)显示文摘地理空间信息系统和遥感技术是全球经济的两大主要技术。其应用者不再限制在科学研究和政府服务中。地理信息系统被广泛应用在以下领域 :市场开发、场地选择、零售商业、金融和银行业、房地产业等等。遥感被应用到保险业务、风险管理、精密农业等等。所有这些应用都发生在全球经济的背景下。全球经济的主要趋势在供货连锁管理方面得以体现出来。一些问题很关键 ,即教育问题、法律问题、政策与安全问题和经济问题。本文将根据高等教育的历史发展和源于供货连锁管理的原则进一步探讨教育问题。 | Matthew Yen | 2002 | 北京联合大学学报2002，16，z1： | 0 |
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