梅与宋人嗜“雅”的美学风尚     

张培艳 《北京林业大学学报》2012,(Z1):148-150

梅文化在宋代昌盛是雅文化时代发展的必然产物。梅象征着高人雅士的内在品质与外在风韵,得到宋代士人的青睐,并融合于士人的日常生活情趣之中,体现了宋代文人在审美追求上的嗜"雅"风尚。  相似文献   

2000年-2010年国内英语听力教学研究综述     

钟伟轩 《吉林农业科技学院学报》2012,(3):119-121

英语听力是英语学习中的一个重要环节,众多学者和教师也一直在教学实践中寻找提高学生英语听力的途径,并且对英语听力的教学提出了自己的看法和建议。本文针对2000年-2010年的研究成果进行文献综述,并总结英语听力教育的研究现状,提出自己的建议和意见。  相似文献   

An assessment of subsoil organic carbon stocks in England and Wales     

A. S. Gregory  G. J. D. Kirk  C. A. Keay  B. G. Rawlins  P. Wallace  A. P. Whitmore 《Soil Use and Management》2014,30(1):10-22

It is estimated that half the soil carbon globally is in the subsoil, but data are scarce. We updated estimates of subsoil organic carbon (OC) in England and Wales made by Bradley et al. (2005) using soil and land‐use databases and compared the results with other published data. We estimated that the soils of England and Wales contained 1633, 1143 and 506 Tg of OC at 0–30, 30–100 and 100–150 cm depths, respectively. Thus, half of the soil OC was found below 30 cm depth. Peat soils accounted for the largest proportion, containing 44% of all the OC below 30 cm despite their small areal extent, followed by brown soils, surface‐water gley soils, ground‐water gley soils and podzolic soils. Peat soils had more than 25% of their profile OC per unit area in the 100–150 cm depth, whereas most other soils had <8% at this depth. The differences between soil types were consistent with differences in soil formation processes. Differences in depth distributions between land uses were small, but subsoil OC stocks in cultivated soils were generally smaller than in soils under grassland or other land uses. Data on subsoil OC stocks in the literature were scarce, but what there was broadly agreed with the findings of the above database exercise. There was little evidence by which to assess how subsoil OC stocks were changing over time.  相似文献   

东部岛屿旅游地气候舒适度及变化趋势研究     

巩莉 《绿色科技》2020,(6):23-25

基于地面气象观测资料和通用热气候指数,研究了中国东部沿海17个海岛旅游地1979~2018年40年平均的气候舒适度以及这40年间的变化趋势。结果显示:依据气候舒适期年内分布特征,17个海岛旅游地的年均舒适日数都为140~200d以内;依据气候舒适度的年内分布特征,海坛岛和崇武两岛为全年舒适型,葫芦岛、长山岛、秦皇岛、月岛、长岛、芝罘岛、刘公岛、秦山岛、嵊泗列岛9个岛屿旅游地为春、夏、秋舒适型,南澳岛、万山群岛、东升岛、湛江海岛、上川岛、涠洲岛6个岛屿旅游地为春、秋、冬舒适型。  相似文献   

文学天宇中一道夺目的闪电——论寻根文学     

安丽娜 《四川畜牧兽医学院学报》2008,(3):129-132

20世纪80年代出现的寻根文学是新时期文学发展的一次重要探索。它对于新时期文学的意义是巨大而深远的。它提供了政治话语写作以外的另一种写作范式,指明了小说可以朝着无限广阔的文化领域进军,召唤着作家大胆借鉴新的创作资源。当它为后人提供可资借鉴的学术资源时,也存在着许多不足。文中主要从“寻根文学”的渊源、背景、理论、作家作品及所受到的外来影响等多方面试图对寻根文学做一次较为全面的梳理和把握。  相似文献   

Assessing Knowledge Production for Agrosilvopastoral Systems in South America     

Rosina Soler  Pablo Luis Peri  Héctor Bahamonde  Verónica Gargaglione  Sebastián Ormaechea  Alejandro Huertas Herrera  Laura Sánchez Jardón  Cristian Lorenzo  Guillermo Martínez Pastur 《Strength and Conditioning Journal》2018,71(5):637-645

In recent decades agroforestry has undergone significant development in Latin America. South America generates the most scientific research on the topic in the region. We conducted a comprehensive review and analysis of knowledge production for South American agroforestry that includes livestock grazing, known as agrosilvopastoralism (AS), examining how different sociopolitical factors such as sources of funding, institutional priorities, and international cooperation can bias the direction and objectives of scientific research. We assessed the major attributes of scientific publications on the topic (25 articles per country; overall n = 210) and the potential factors underlying the processes of research and development in the region. The tree component was the most studied, while the livestock component received less attention. Studies were mainly focused on the production of goods and services (monetary or nonmonetary approaches), except in Brazil, where conservation was the major study objective. Stakeholders were involved in more than half of the studies (60%), and they were mostly ranchers and local producers. More than half (70%) of the studies offered recommendations based on their results, and such recommendations were mostly concerned with the management of agrosilvopastoral system components. In general, studies were led just as often by local as foreign first authors and coauthored by more than three people as part of interinstitutional working groups. Brazil, Argentina, Colombia, and Chile had more frequent cooperation among institutions and countries but mainly used their own funding. In contrast, Bolivia, Ecuador, and Peru had almost 100% of their studies supported by foreign countries (North America and Europe). Countries with greater internal funding of research generated more long-term studies. Besides this, two clear trends were detected: 1) conservation and social aspects were mainly supported by sources from external countries led by foreign principal investigators, and 2) production issues were supported from sources within countries and supported high levels of cooperation among institutions.  相似文献   

民族院校图书馆民族文献资源开发利用与保护   总被引：6，自引：1，他引：5  

金玲 《农业图书情报学刊》2005,17(4):34-36

本文论述了民族文献资源建设的价值与地位,并结合民族院校图书馆民族文献资源状况,提出了开发利用与保护民族文献资源策略。  相似文献   

浅谈海南地方文献数字化建设 --兼谈我馆地方文献工作     

傅白云 《农业图书情报学刊》2005,17(5):28-30

本文探讨了海南地方文献数字化的背景并着重论述了海南地方文献全文数字化的可行性。  相似文献   

体育文献检索课教学特点及规律研究     

袁中 《农业图书情报学刊》2005,17(7):123-126

作者结合体育院校学生的具体特征,从六个方面阐述了体育文献检索课教学的特点,包括:教学内容、开课时间、与科研方法论课程教学分工、加大机检教学内容比重、多种形式的课堂教学和反馈式教学等,同时总结了教学的五条规律,提出了建议和要求。  相似文献   

1999～2004年中国烟草农业文献计量分析     

谢沁 《农业图书情报学刊》2005,17(9):145-149

利用文献计量方法对1999～2004年专业期刊公开发表的烟草农业文献的论文总量的变化趋势、高产作者群、期刊分布、主题分布、地域分布等方面进行了计量分析。以文献资源为依据来看我国近6年来烟草农业的研究与发展。  相似文献