大学校园文化景观意义传达的符号学机制——以湖南大学校园文化景观为例     

李鑫 《安徽农业科学》2015,(29):163-164

论述了校园文化景观建设的重要性,分析了校园文化景观作为符号在传达意义时所要进行的符号传媒介的选取类型和符号意义的关联方式,并以湖南大学校园文化景观为例.同时指出,只有处理好校园文化景观的物象和意象两个层面的内容,才能建设优秀的校园文化景观.  相似文献   

超学科知识生产模式对农村地区多媒体英语教学的启示     

王永 《农业网络信息》2014,(2):125-127

随着知识经济的兴起,人类传统的知识生产模式正悄然发生革命性的变化。一种被称之为"超学科"的知识生产模式开始崭露头角,它强调知识生产要在多学科共同参与的广阔应用语境下进行,要在各利益方充分商榷、谈判、让步、协调、合作的基础上,形成最终共识,从而找到解决问题的途径。和传统的知识生产模式相比,超学科知识生产模式具有应用语境性、超学科性、异质性、反思性和质量控制标准多元性等典型特征,因而可以对农村地区多媒体英语教学具有良好的启示作用。  相似文献   

园林植物春季最佳观赏期调查研究     

吴  迪等 《山东林业科技》2014,(1):50-52

目前,由于缺乏准确的园林植物最佳观赏期的资料,导致优秀的规划设计方案难以落到实处,园林景点建成之后景观效果大打折扣。针对以上问题,作者采用实地调查观测的方法对园林植物春季最佳观赏期和最佳观赏顺序进行了研究。记录整理典型地点园林植物的最佳观赏期和最佳观赏顺序,为园林规划设计、植物配置和养护管理提供科学的参考依据。  相似文献   

Atmospheric humidity and genotype are key determinants of the diurnal stomatal conductance pattern     

Xinying Zhang  Yajing Wang  Guirong Huang  Fu Feng  Xiaoying Liu  Rui Guo  Fengxue Gu  Xin Hu  Ziguang Yang  Xiuli Zhong  Xurong Mei 《Journal of Agronomy and Crop Science》2020,206(2):161-168

Great understanding of the genotypic difference in diurnal stomatal conductance (g_s) pattern and the key determinants of the pattern is important for saving water by adopting cultivars appropriately. Fifteen wheat genotypes were studied under different soil conditions and various meteorological conditions with pot cultivation in rain shelter for two years. Genotype and air humidity were found to be key determinants of diurnal g_s pattern. All genotypes under low relative humidity (LRH) and most genotypes under high relative humidity (HRH) displayed a gradual decline pattern from morning through the afternoon. Under moderate relative humidity (MRH), all genotypes present a single-peak curve pattern, but they differed in peak time, which may lead to unreliable g_s comparison between genotypes and get ostensible contrasting materials. The stomatal conductance was significantly different among genotypes under LRH and the increased g_s magnitude is also significantly different when it was compared between LRH and HRH. The present results provide new thinking for selecting and adopting appropriate cultivars with specific stomata traits for the area with various meteorological conditions.  相似文献   

Incorporating local ecological knowledge into urban riparian restoration in a mountainous region of Southwest China     

《Urban Forestry & Urban Greening》2016

Modern cities use straightened and concrete watercourses with simple greening for riparian zones, which has been criticised for insensitivity to natural system integrity and cultural identity. This increases the challenge to urban ecologists, landscape designers and managers to conceive innovative and effective design solutions that do not jeopardise hydraulic efficiency yet are culturally acceptable to local communities. This paper introduces the field of local ecological knowledge (LEK) as rich sources of inspiration and design solutions to meet this challenge. LEK refers to knowledge and practices of various local cultures about the relationship of living beings (including humans) with their environments. Wepropose a pragmatic framework that integrates LEK with modern landscape design. It includes steps: (1) investigate existing practices, skills andmeasures relating to LEK; (2) explore how and whereLEKcan inspire or integrate withdesign. Here we propose three aspects for integration in accordance with the nature of landscaping process: overall structure, component and maintenance.(3)evaluate and test the integration in terms of its acceptability by local communities. Taking the riparian revegetation project of Hanfeng Lake Urban Wetland Park (Chongqing Municipality) as an example, we illustrate the utility of this framework. 11 local common practices relating to LEK were identified. According to thethree aspects for integration, alternative design solutions were offered. The survey showed that LEK based designwas more highly valued than other conventional ways in terms of useracceptance. We conclude that LEK provides actionable ecologically sound and culturally desirablesolutions for urbanlandscape. We also recognise that LEK evolveswith changing environments and new harmonious and dynamic human-nature relationships arecontinually re-forming. The process of acquisition and application of LEK could encourage multidisciplinary and synthetic approaches to urban ecosystems. Such adaptability and interdisciplinary engagementare crucial totoday’schanging and complexurban environments.  相似文献   

Occurrence of Incisional Complications After Closure of Equine Ventral Midline Celiotomies With 2 Polyglycolic Acid in Simple Interrupted Suture Pattern     

《Journal of Equine Veterinary Science》2016

The aim of this retrospective study was to describe the use of simple interrupted suture pattern for the closure of the abdomen after ventral midline celiotomy in horses and to evaluate the prevalence of resulting incisional complications. Seventy horses undergoing abdominal surgery (2006–2015) and surviving at least 30 days were included in the study. Closure technique of the abdominal wall was performed on three layers. Linea alba was closed with a simple interrupted pattern using number two coated braided absorbable polyglycolic acid suture. Follow-up information was recovered at the 90th day postoperatively. Incisional complications considered included drainage, infection, dehiscence, and herniation. The complications observed in the present study using simple interrupted suture pattern were 4.29% (3 of 70), lower than reported in literature with different suture pattern. Simple interrupted suture pattern could be a valid option for the closure of linea alba after ventral midline celiotomy in horses.  相似文献   

江西省新型农业社会化服务体系的特点与运行模式     

薛刚  卢琨  李玉萍 《热带作物学报》2016,(3):66-68

实地调研江西省新型农业社会化服务体系建设现状，对江西省目前的新型农业社会化服务体系的特点与运行模式进行分析，针对当地在服务体系构建过程中出现的问题，提出新时期的发展建议。  相似文献   

Influences of sand cover on erosion processes of loess slopes based on rainfall simulation experiments   总被引：1，自引：0，他引：1  

ZHANG Xiang  LI Zhanbin  LI Peng  TANG Shanshan  WANG Tian  ZHANG Hui 《干旱区科学》2018,10(1):39-52

Aeolian-fluvial interplay erosion regions are subject to intense soil erosion and are of particular concern in loess areas of northwestern China.Understanding the composition,distribution,and transport processes of eroded sediments in these regions is of considerable scientific significance for controlling soil erosion.In this study,based on laboratory rainfall simulation experiments,we analyzed rainfall-induced erosion processes on sand-covered loess slopes(SS)with different sand cover patterns(including length and thickness)and uncovered loess slopes(LS)to investigate the influences of sand cover on erosion processes of loess slopes in case regions of aeolian-fluvial erosion.The grain-size curves of eroded sediments were fitted using the Weibull function.Compositions of eroded sediments under different sand cover patterns and rainfall intensities were analyzed to explore sediment transport modes of SS.The influences of sand cover amount and pattern on erosion processes of loess slopes were also discussed.The results show that sand cover on loess slopes influences the proportion of loess erosion and that the compositions of eroded sediments vary between SS and LS.Sand cover on loess slopes transforms silt erosion into sand erosion by reducing splash erosion and changing the rainfall-induced erosion processes.The percentage of eroded sand from SS in the early stage of runoff and sediment generation is always higher than that in the late stage.Sand cover on loess slopes aggravates loess erosion,not only by adding sand as additional eroded sediments but also by increasing the amount of eroded loess,compared with the loess slopes without sand cover.The influence of sand cover pattern on runoff yield and the amount of eroded sediments is larger than that of sand cover amount.Furthermore,given the same sand cover pattern,a thicker sand cover could increase sand erosion while a thinner sand cover could aggravate loess erosion.This difference explains the existence of intense erosion on slopes that are thinly covered with sand in regions where aeolian erosion and fluvial erosion interact.  相似文献   

紫荆属（Cercis L.）种质资源情况及研究进展     

李进宇  赵爽  王茂良  王永格  任春生 《西北林学院学报》2021,36(6):145-152

紫荆属植物是一种具有观赏价值和潜力的植物类群，具有很广阔的园林应用前景。研究综述了紫荆属种质资源的分类、调查与引进情况，从植物系统进化、繁殖技术、分子生物学角度阐述了其相关的研究进展，并分析了紫荆属植物的园林应用形式。提出目前紫荆属植物研究与应用存在的问题，并进行了展望，为我国紫荆属植物资源的开发和利用提供了参考。  相似文献   

野鸭椿育苗与园林应用研究   总被引：1，自引：0，他引：1  

顾建中  王燕  朱发仁 《中国园艺文摘》2014,(6):156-157

野鸭椿花色淡雅、果色红艳、观果期长,是良好的观花、观果植物,生产上可通过播种繁殖、扦插繁殖,经过4~5年可培育成大苗用于庭院造景。野鸭椿在园林中可单纯成林,也可丛植成景、孤植成主景,还可修剪成盆景,应用前景十分广阔。  相似文献