Conservation相关论文
利用非线性频率转换过程获得高阶涡旋光场的方法得到了研究人员的广泛关注, 目前关于该领域的研究大都集中在拉盖尔-高斯光束方面,......
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黄渤海湿地位于中国、韩国和朝鲜之间,是全球最重要的沿海湿地生态系统之一。黄渤海湿地是水鸟南北迁徙的重要中转站,也是东亚-澳......
This paper is a summarization on evaluation of value of artificial forest. The main contents include: (i) the difference......
Cycas panzhihuaensis L. Zhou&S. Y. Yang (Cycadaceae) is an endangered gymnosperm species endemic to the dry-hot valley o......
In China, the architectural heritage con-servation, as an important part of cultural heritage protection, is an issue th......
论文通过对南京古代地图分析,发见古人在规划、设计、建造城市时的意图、独特匠心和创造智慧,提出此为历史城市保护中需要延续的,......
Research on level 2 control system of 100 tons LF furnace was carried out. According to the principle of energy conserva......
Heat exchanger network optimization has an important role in high-efficiency energy utilization and energy conservation.......
One of America’s top circuses will have no elephants in its shows after 2018. All its elephants will stop doing their j......
Both linear-spring-dashpot (LSD) and non-linear Hertzian-spring-dashpot (HSD) contact models are commonly used for the c......
Soil Erosion under Different Land Use Types and Zones of Jinsha River Basin in Yunnan Province,China
Severe soil erosion in the middle and upper reaches of Yangtze River has been regarded as a major environmental problem.......
Sacred groves preserve a rich religious and socio-cultural heritage of Indian biodiversity from primeval times,due to th......
High levels of genetic diversity and an absence of genetic structure among breeding populations of t
Background: The Rufous-backed Bunting, Emberiza jankowskii, is an endangered species that is primarily distributed in In......
【Abstract】Regions possessing potential energies, lunar and solar pulls and conservation of angular momentum jointly con......
Cistanche deserticola is an important medicinal plant in Mongolia. Despite its significant role in local healing systems......
Height-to-diameter ratios with temporal and dendro/morphometric variables for Brazilian pine in sout
Height-to-diameter ratios (HD) are an important measure of the stability,density and competition of forest stands.It ref......
At a press conference on September 10, Beijing Centers for Disease Control and Prevention (CDC) announced that a new ro......
Restoration activities in semi-arid Mediterranean areas like Greece face many obstacles,such as summer droughts that are......
Comparing community birdwatching and professional bird monitoring with implications for avian divers
Background: In the past decades, birdwatching as a hobby developed rapidly and produced ample scientific records that ha......
Cenozoic topography, monsoons and biodiversity conservation within the Tibetan Region:An evolving st
The biodiversity of the Himalaya, Hengduan Mountains and Tibet, here collectively termed the Tibetan Region, is exceptio......
In order to improve the water use efficiency under conservation tillage,the effects of subsoiling on soil moisture under......
Intraspecific genetic variability, differentiation and evolutionary relationships revealed through m
Population density,species richness and critical population parameters are crucial in determining the levels of gene div......
Asian leaf-litter toads of the genus Leptobrachella represent a great anuran diversification in Asia.Previous studies ha......
Vegetation structure and regeneration status of the moist, evergreen, afromontane Bore–Anferara–Wade
In a survey of the Bore–Anferara–Wadera forest to study the vegetation structure and regeneration status of woody plan......
An assessment of population structure and regeneration status of Magnolia punduana Hk. f.&Th. (Magno
The population structure and regeneration status of Magnolia punduana Hk. f. & Th., an endemic tree species of northeast......
Conservation agriculture has been practised for three decades and has been spread widely. There are many nomenclatures s......
On conservation issues of contemporary architecture: The technical design development and the ageing
Avast amount of iconic buildings distinguished by complex geometries have been constructed in the last two decades in th......
The concept of historical conservation and character definition is reflected in the Liverpool Street of Elmina and Kings......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
Financial viability and conservation role of betel leaf based agroforestry: an indigenous hill farmi
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
Structure and floristic composition of tree stand in tropical forest in the Eastern Ghats of norther
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
Diversity and regeneration status of woody species in Tara Gedam and Abebaye forests, northwestern E
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
Demography of the threatened endemic shrub, Arbutus pavarii,in the Al-Akhdar mountainous landscape o
We sampled twenty populations of the vulnerable endemic shrub or tree, Arbutus pavarii Pampan., at different elevations ......
Socio-economic factors influencing mopane worm (Imbrasia belina) harvesting in Limpopo Province, Sou
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
Pinus yunnanensis Franch. is a major component of coniferous forests in southwestern China. Little is known about its in......
Regeneration status of riparian tree species in two sites that differ in land-use in the Okavango De
Human communities from the Okavango Delta benefit from the services and goods provided by the wetland ecosystem through ......
Communities of saprobic fungi on leaf litter of Vismia guianensis in remnants of the Brazilian Atlan
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
Chemical pre-treatments improve seed germination and seedling growth in Semecarpus kurzii: an ethnom
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
Abstract [Objective] This study aimed to investigate the genetic variation of wild and cultivated populations of Castano......
Somatic embryogenesis and in vitro flowering in Hybanthus enneaspermus (L.) F. Muell.-a rare multipo
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Dynamic Change of Genetic Diversity in Conserved Populations with Different Initial Genetic Architec
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
Objective:Through reviewing the relevant literature from the past decades,to summarize the assessment and management of ......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
In-situ study on eleven commercially important species viz;Adiantum capillus-veneris L,Bergenia ciliata (Haw) Sternb,Col......