Results 61 to 70 of about 29,370 (161)
Zhejiang Daxue xuebao. Lixue ban, 2009 研究了紫心甘薯总黄酮的微波提取工艺及其抗氧化活性.以芦丁为标准品,通过选用L9(34)正交表设计实验,确立提取总黄酮的最佳条件并以VC为对照品,采用DPPH •（二苯代苦味酰自由基）法研究提取物的抗氧化活性.紫心甘薯总黄酮的最佳提取条件为：乙醇浓度70%,提取温度80 ℃,料液比1 ：20,提取时间35 min；测得紫心甘薯薯肉和薯皮中总黄酮含量分别为1.55%和3.30%,二者抗氧化活性以半数抑制浓度(IC50)表示分别为0.020 4 ,0.019 2mg •mL-1 ...
GAOLi-wei(高丽威) +1 more
doaj +1 more source
International Journal of Applied Linguistics, EarlyView.ABSTRACT This article examines the language life of young Malaysian Chinese immigrants in Australia and their construction of multi‐membership as reflected in their daily language behaviors. It develops the concept of everyday linguistic citizenship and uses this concept as a theoretical lens to understand how the young adults build, maintain, and ...
Xiaoyi Zhang +2 more
wiley +1 more source
四川大学学报. 自然科学版, 2004 以银杏叶为原料 ,研究了微波技术在银杏黄酮浸提中的应用 .实验通过改变溶剂浓度、提取时间、料液比等条件对产品提取得率的影响进行了探讨 ,并比较了传统浸提法、微波法、微波结合浸提法三种方法的提取 ,结果表明微波法提取银杏黄酮是一种快速、高效、节能的新型提取方法 ,具有一定的实用价值 .
曾里, 刘世贵
doaj
Vocabulary Strategy Instruction in the Argentine EFL Context: Teachers’ Perspectives and Practices
International Journal of Applied Linguistics, EarlyView.ABSTRACT Despite extensive research on vocabulary strategy instruction (VSI), little has been known about teachers’ perspectives on how it is understood and implemented in practice. This study investigated Argentinian EFL teachers’ priorities in vocabulary instruction, their perceived knowledge of learner strategies for spoken vocabulary, and factors ...
Isobel Kai‐Hui Wang, Andrew D. Cohen
wiley +1 more source
Co‐Teaching in a Virtual Intensive Study Language Programme: Insights From Team Ethnography
International Journal of Applied Linguistics, EarlyView.ABSTRACT As virtual study abroad becomes an increasingly important form of international education, little is known about how transnational teaching is organised and sustained across institutions. Using activity theory as an analytical framework and team ethnography as methodology, this study examines a virtual intensive study (VIS) programme delivered
Zhu Hua +7 more
wiley +1 more source
AI foundation models in plant biology
New Phytologist, EarlyView.Foundation models decode genomes, engineer proteins, phenotype crops, and drive AI agents across plant biology. This figure was created in BioRender (BioRender.com/xcmmkel). Summary Rapid technological progress has enabled plant biologists to accumulate unprecedented volumes of multi‐scale, multi‐modal data, yet this abundance of data has intensified ...
Haopeng Yu
wiley +1 more source
Compliance in Regulatory Gray Areas: The Case of the Organic Seed Standard
Policy Studies Journal, EarlyView.ABSTRACT Adaptive regulations, designed to balance flexibility with accountability, can embed provisions that unintentionally leave room for firms to shirk on their responsibilities by exploiting flexibility. We call these provisions “regulatory gray areas,” and ask: how should we understand (non‐)compliance in adaptive regulatory settings?
Liza Wood +3 more
wiley +1 more source
World Food Policy, Volume 12, Issue 2, November 2026.ABSTRACT Household food expenditure continues to be a key factor in ensuring the realization of the Human Right to Adequate Food. Particularly in Brazil, access to food can be limited by economic constraints in vulnerable families, especially among farming families, who have been more vulnerable to food insecurity in recent years in the country.
Lucas de Almeida Moura +3 more
wiley +1 more source
Measuring Governance or Wealth? Construct Validation of AI Readiness Indices
Policy &Internet, Volume 18, Issue 3, September 2026.ABSTRACT Many are the promises of artificial intelligence and the indices claiming to measure government readiness for it. This study provides the first construct validity investigation of the Oxford Insights Government AI Readiness Index, the Tortoise Global AI Index, and the IMF AI Preparedness Index, using a nine‐test battery and drawing on ...
Anis Ben Brik
wiley +1 more source
Intangible drivers of tolerance shape human–elephant coexistence in Southwest China
People and Nature, Volume 8, Issue 8, Page 2763-2780, August 2026.Abstract Southwest China is home to a small but rapidly expanding population of Asian elephants (Elephas maximus), whose growth has intensified conflicts with people living in shared landscapes. These conflicts result in substantial economic losses and occasional human casualties. This coexistence paradox—where conservation success leads to significant
Xiaoyu Yu +4 more
wiley +1 more source