维普中文期刊产品整合服务
539篇 您的检索式:作者名="Tolbert"
    题名 作者 年代 出处 被引量
1可再生高生物量种植园土壤的可持续性显示文摘自然资源的可持续利用正日益受到关注,尤其在关系到能量和全球碳循环方面更是如此。高生物量作物在提高土壤和水资源质量的同时可以弥补矿物燃料的消耗,并减少CO_2在温室气体中的份额。本文回顾了关于高生物量作物的研究,重点讨论其具体的特性及其对土壤和水资源质量的影响。世界各地的资料都有所考虑,但着重点主要是美国高生物量作物种植的最新研究成果。对资料的研究表明,这对于土壤和水资源质量的短期改变很有前景,但响应各异。表土中有机质含量的升高、土壤侵蚀的减弱、地表径流中养分流失的下降已在短期的研究中得到论证。我们总结认为,尽管有益的潜势已得以体现,但土壤质量与高生物量作物种植密切联系,决定其长期变化的相关资料还不完备。Linda Mann Virginia Tolbert 马焕成 靖德兵 2000AMBIO-人类环境杂志2000,29,8:3
2赖氨酸脱羧酶分子改造及其催化合成戊二胺显示文摘1,5-戊二胺(戊二胺)具有良好的生物活性,广泛应用在农业、医药以及工业等领域。赖氨酸脱羧酶可以催化L-赖氨酸生产戊二胺,为了提高赖氨酸脱羧酶催化合成戊二胺的效率,首先在大肠杆菌中克隆表达了粘质沙雷氏菌来源的赖氨酸脱羧酶(SmcadA)。生化特征表明,SmcadA最适催化pH为6.0,最适催化温度约为40℃。随后对SmcadA的第348位氨基酸进行了突变研究,筛选获得了催化效率显著提高的突变体Gly348Ala,主要原因是该突变导致蛋白中氨基酸残基和底物之间相互作用的氢键数增加,从而影响其催化效率。最后,对重组菌株细胞进行了戊二胺合成研究,催化反应25 h,含有突变体Gly348Ala的重组菌细胞可以催化合成218.2 g/L戊二胺,野生型SmcadA重组菌仅能催化合成159.2 g/L戊二胺。该研究结果为工业化酶催化合成戊二胺提供了借鉴。OSIRE Tolbert 杨套伟 乔郅钠 孙杨 徐美娟 张显 邵明龙 饶志明 2022食品与发酵工业2022,48,1:3
3Pharmacokinetics of Eplerenone After Single and Multiple Dosing in Subjects With and Without Renal Impairment显示文摘William R. Ravis Susan Reid Domenic A. Sica Dwain S. Tolbert 2005The Journal of Clinical Pharmacology2005,,7:1
4An unified approach to solving the harmonic elimination equations in multilevel converters显示文摘CHIASSON J N TOLBERT L MCKENZIE K J 2004IEEE Transactions on Power Electronics2004,19,2:1
5Multilevel converters for large electric drivers显示文摘Tolbert LM Pang F Z Habeleler T G 1999IEEE Transion Ind Appl1999,35,1:1
6Multilevel PWM methods at low modulation indices显示文摘Tolbert L M Peng F Z Habelter T G 2000IEEE Trans Power Electron2000,15,4:1
7A di/dtFeedback Based Active Gate Driver for Smart Switchingand Fast Overcurrent Protectionof IGBT Modules 显示文摘Zhiqiang Wang Xiaojie Shi Tolbert L M 2014IE-EE Trans on Power Electronics2014,29,7:1
8Ordered mesoporousalpha-Mo03 with iso-oriented nanocrystalline walls for thin-filmpscudocapacitors显示文摘Brezesinski T Wang J Tolbert S H ef al 2012Nat Mater2012,9,2:1
9The Effects of E-Government onTrnst and Confidence in Government' 显示文摘Tolbert C J Mossberger K 2006Public Administration Review2006,,3:1
10Suramin inhibits renal fibrosis in chronic kidney disease显示文摘Liu N Tolbert E Pang M 2011J Am Soc Nephrol2011,22,6:1
11A passive soft-switching snubber for PWM inverter显示文摘Peng F Z Su G J Tolbert L M 2004IEEE Trans on Power Electronics2004,19,2:1
12Direct torque control of induction machines using space vector modulation 显示文摘Habetler TG Profumo F Pastorelli M Tolbert LM 1992IEEE Trans Ind Appl (S0093-9994)1992,28,5:1
13Elimination of harmonics in a multilevel converter using the theory of symmetric polynomials显示文摘Chiasson J Tolbert L McKenzie K 2005IEEE Transactions on Control Systems Technology2005,13,2:1
14Novel multilevel inverter carrier-based PWM method 显示文摘Tolbert L Habetler T G 1999IEEE Trans Ind Applicat1999,35,5:1
15Institutionalization and structuration : Studying the links between action and institution 显示文摘Barley Tolbert 1997Organization studies1997,18,1:1
16Institutional Sources of Change in the Formal Structure of Organizations:The Diffusion of Civil Service Reform显示文摘TOLBERT P S ZUCKER L G 1983Administrative Science Quarterly1983,28,3:1
17Definition and Compensation of Non -Active Current in Power System显示文摘Fang Z Peng Leon M Tolbert Zhaoming Qian 2002Power Electronics Specialists Conference2002,,4:1
18Elimination of harmonics in a multilevel converter with nonequal DC sources显示文摘Tolbert L M Chiasson J McKenzie K 2005IEEE Trans Ind2005,41,1:1
19Dermoid cysts presenting as enlarged thyroid glands in a cat显示文摘Katherine Tolbert Holly M. Brown Pauline M. Rakich Mary Ann G. Radlinsky Cynthia R. Ward 2009Journal of Feline Medicine and Surgery2009,,8:1
20Fault diagnostic system for a multi- level inverter using a neural network显示文摘KHOMFOI S TOLBERT L M 2007IEEE Trans Power Elec- tronics2007,22,3:1
返回顶部 每页显示:
共27页 首页 上一页 第1页 下一页 末页 /27 跳转

网站首页 | 关于我们 | 联系我们 | 产品服务 | 客服中心 | 广告服务 | 版权声明 | 网站联盟 | 友情链接 | 售卡网点

版权所有© 渝B2-20050021-1 渝公网安备 50019002500403号 违法和不良信息举报中心

互联网出版许可证 新出网证(渝)字10号 全国400电话 - 免长途话费