机构

• 南海海洋研究所 [1]
• 地理科学与资源研究所 [1]
• 成都生物研究所 [1]
• 上海药物研究所 [1]
• 新疆理化技术研究所 [1]
• 昆明植物研究所 [1]
• 更多

采集方式

• OAI收割 [9]

内容类型

• 期刊论文 [9]

发表日期

• 2017 [2]
• 2015 [1]
• 2013 [1]
• 2011 [1]
• 2009 [3]
• 2007 [1]
• 更多

学科主题

• Chemistry [9]
• Food Scien... [2]
• Nutrition ... [2]
• Agronomy [1]
• Analytical [1]
• Analytical... [1]
• 更多

筛选

浏览/检索结果: 共9条，第1-9条 帮助 限定条件 学科主题：Chemistry     条数/页： 5101520253035404550556065707580859095100 排序方式： 请选择提交时间升序提交时间降序题名升序题名降序作者升序作者降序发表日期升序发表日期降序 Stable Isotopic Evidence for the Widespread Presence of Oxygen Containing Chemical Linkages between alpha-Cellulose and Lignin in Poaceae (Gramineae) Grass Leaves 期刊论文  OAI收割 ACS SUSTAINABLE CHEMISTRY & ENGINEERING, 2017, 卷号: 5, 页码: 3250-3260 作者:  Zhou, Youping;  Yin, Xijie;  Yang, Hubiao;  Su, Jing;  Yu, Huimin 收藏  |  浏览/下载：35/0  |  提交时间：2017/06/21 CARBOHYDRATE COMPLEXES  SPRUCE WOOD  TREE-RINGS  CELL-WALLS  MOISTURE  HEMICELLULOSES  CONSTITUENTS  INJECTION  DEUTERIUM  PATTERNS   Reducing the uncertainty of parameters controlling seasonal carbon and water fluxes in Chinese forests and its implication for simulated climate sensitivities 期刊论文  OAI收割 GLOBAL BIOGEOCHEMICAL CYCLES, 2017, 卷号: 31, 期号: 8, 页码: 1344-1366 作者:  Li, Yue;  Yang, Hui;  Wang, Tao;  MacBean, Natasha;  Bacour, Cedric   |  收藏  |  浏览/下载：4/0  |  提交时间：2022/03/28 Discovery of a New Family of Dieckmann Cyclases Essential to Tetramic Acid and Pyridone-Based Natural Products Biosynthesis 期刊论文  OAI收割 ORGANIC LETTERS, 2015, 卷号: 17, 期号: 3, 页码: 628-631 作者:  Gui, Chun;  Li, Qinglian;  Mo, Xuhua;  Qin, Xiangjing;  Ma, Junying 收藏  |  浏览/下载：46/0  |  提交时间：2016/10/31 Evaluation of antioxidant activities and chemical characterisation of staghorn sumac fruit (Rhus hirta L.) 期刊论文  OAI收割 FOOD CHEMISTRY, 2013, 卷号: 138, 期号: 2-3, 页码: 1333-1340 作者:  Wu Tao;  McCallum Jason L.;  Wang Sunan;  Liu Ronghua;  Zhu Honghui 收藏  |  浏览/下载：29/0  |  提交时间：2013/11/07 Sumac  Rhus hirta  Antioxidants  Phytochemical  Polyphenols  Anthocyanin   Euphane Triterpenes from the Bark of Broussonetia papyrifera 期刊论文  OAI收割 HELVETICA CHIMICA ACTA, 2011, 卷号: 94, 期号: 11, 页码: 2061-2065 Zhong, Han-Ting; Li, Fu; Chen, Bin; Wang, Ming-Kui 收藏  |  浏览/下载：15/0  |  提交时间：2012/11/09 Broussonetia papyrifera  Euphane triterpenes  Triterpenes   Carbon Mineralization of Soils from Native Evergreen Broadleaf Forest and Three Plantations in Mid-subtropic China 期刊论文  OAI收割 COMMUNICATIONS IN SOIL SCIENCE AND PLANT ANALYSIS, 2009, 卷号: 40, 期号: 11-12, 页码: 1964-1982 作者:  Wang, SL, Chinese Acad Sci, Inst Appl Ecol, Huitong Expt Stn Forest Ecol, Shenyang 110016, Peoples R China;  Zhang, J;  Wang, SL;  Feng, ZW;  Wang, QK   |  收藏  |  浏览/下载：32/0  |  提交时间：2011/09/23 Carbon Mineralization  Chinese Fir Plantation  Hot Water-extractable Carbon  Mixed Stand  Pure Stand  Soil Organic Carbon   Quantitative Assessment of Desertification Using Landsat Data on a Regional Scale - A Case Study in the Ordos Plateau, China 期刊论文  OAI收割 Desertification is a serious threat to the ecological environment and social economy in our world and there is a pressing need to develop a reasonable and reproducible method to assess it at different scales. In this paper, the Ordos Plateau in China was selected as the research region and a quantitative method for desertification assessment was developed by using Landsat MSS and TM/ETM+ data on a regional scale. In this method, NDVI, MSDI and land surface albedo were selected as assessment indicators of desertification to represent land surface conditions from vegetation biomass, landscape pattern and micrometeorology. Based on considering the effects of vegetation type and time of images acquired on assessment indictors, assessing rule sets were built and a decision tree approach was used to assess desertification of Ordos Plateau in 1980, 1990 and 2000. The average overall accuracy of three periods was higher than 90%. The results showed that although some local places of Ordos Plateau experienced an expanding trend of desertification, the trend of desertification of Ordos Plateau was an overall decrease in from 1980 to 2000. By analyzing the causes of desertification processes, it was found that climate change could benefit for the reversion of desertification from 1980 to 1990 at a regional scale and human activities might explain the expansion of desertification in this period; however human conservation activities were the main driving factor that induced the reversion of desertification from 1990 to 2000., 2009, 卷号: 9, 期号: 3, 页码: 1738-1753 作者:  Zhuang, Dafang(庄大方);  Qiu, Dongsheng 收藏  |  浏览/下载：267/70  |  提交时间：2011/06/10 Desertification  quantitative assessment  Landsat  Ordos Plateau   Phenolic antioxidants from Chinese toon (fresh young leaves and shoots of Toona sinensis) 期刊论文  OAI收割 FOOD CHEMISTRY, 2007, 卷号: 101, 期号: 1, 页码: 365-371 作者:  Wang, Kai-Jin;  Yang, Chong-Ren;  Zhang, Ying-Jun   |  收藏  |  浏览/下载：16/0  |  提交时间：2011/11/24 Chinese Toon  Toona Sinensis  Dpph Radical-scavenging Activity  Phenolic Constituents