搜索筛选:
搜索耗时1.2029秒,为你在为你在102,285,761篇论文里面共找到 45 篇相符的论文内容
发布年度:
[期刊论文] 作者:Melaku Mulualem Kelemework,,
来源:Contemporary World 年份:2016
After the opening up policy of China,the government has worked hard to benefit from the process of globalization.Starting from1990,China joins more internat...
[期刊论文] 作者:Sovu,Mulualem Tigabu,
来源:林业研究(英文版) 年份:2004
Enrichment planting is commonly used for increasing the density of desired tree species in secondary forests often characterized by a prevalence of low commerci...
Coppicing ability of dry miombo woodland species harvested for traditional charcoal production in Za
[期刊论文] 作者:Stephen Syampungani,Mulualem T,
来源:林业研究:英文版 年份:2017
miombo 树林是在非洲的最广泛的树林之一,支持基于为百万个农村人的生物资源燃料的生计。然而,关于为生物资源燃料收获的可持续性正在种担心(主要炭) 。因此,这研究的目的是检验......
CFD Simulations for Sensitivity Analysis of Different Parameters to the Wake Characteristics of Tida
[期刊论文] 作者:Mulualem G. Gebreslassie,Gavin,
来源:流体动力学(英文) 年份:2012
This paper investigates the sensitivity of width proximity and mesh grid size to the wake characteristics of Momentum Reversal Lift (MRL) turbine using a new co...
[期刊论文] 作者:Mulualem Endeshaw,Fekadu Ambaw,
来源:临床医学国际期刊(英文) 年份:2014
Introduction: Preeclampsia is one of the most commonly encountered hypertensive disorders of pregnancy that accounts for 20% - 80% of maternal mortality in deve...
[期刊论文] 作者:Abolfazl Daneshvar,Mulualem Ti,
来源:林业研究:英文版 年份:2017
萌芽刚收集了 Juniperus polycarpos (K。Koch ) 种子对在种子许多的不能生存的种子的大比例很低、归因。因此,这研究的目的是由用二种筹款技术移开不能生存的种子改进种子许...
[期刊论文] 作者:Mostafa Farhadi Mulualem Tigab,
来源:林业研究:英文版 年份:2013
Acer velutinum Boiss is a valuable tree species native to Iran, and its seeds possess physiological dormancy that hampers seedling production in the nursery for...
[期刊论文] 作者:Abolfazl Daneshvar,Mulualem Ti,
来源:林业研究:英文版 年份:2014
矮子槲寄生是感染针叶树的寄生 flowering 植物,导致生长和死亡的实质的损失。最近,在伊朗的森林经理正在沉思是否 Juniperus polycarpos C 的感染。由矮子槲寄生的 Koch 森林,...
[期刊论文] 作者:Indra Prasad Sapkota,Mulualem,
来源:林业研究:英文版 年份:2010
中度干扰可以增强多样性,因此干扰常作为一种管理手段。因而,了解森林干扰的频度和强度以及对林分结构、优势度以及森林多样性等的作用是非常重要的。本研究在尼泊尔设立25个1h......
[期刊论文] 作者:Indra Prasad Sapkota Mulualem,
来源:林业研究:英文版 年份:2009
木质的种类的差异和新生在二生态的壁龛 viz 被调查。在旧生长的季节联盟者的差距和未经触动的植被弄干 Shorea 柔韧一(Gaertn。f.) 在尼泊尔的森林。我们也联系了差异措施和...
Growth characteristics and reproductive output of dwarf mistletoe-infected Juniperus polycarpos in I
[期刊论文] 作者:Abolfazl Daneshvar,Mulualem Ti,
来源:林业研究(英文版) 年份:2004
Dwarf mistletoes are parasitic flowering plants that infect conifers, resulting in substantial loss of growth and mortality. Recently, forest managers in Iran a...
Seed germination and seedling emergence of four tree species of southern China in response to acid r
[期刊论文] 作者:Matoor Mohsin Gilani,Mulualem,
来源:林业研究:英文版 年份:2021
Acid rain has become a major concern due to increasing atmospheric pollution,particularly in China.We investigated whether acid rain inhibits the germination of...
Physiological responses of needles of Pinus massoniana elite families to phosphorus stress in acid s
[期刊论文] 作者:HE You-lan,LIU Ai-qin,Mulualem,
来源:林业研究:英文版 年份:2013
Pinus massoniana Lamb. is a major timber species widely planted in the South China, where the soil is acidic and deficient in phosphorus (P) due to fixation by al...
[期刊论文] 作者:Sovu ·Mulualem Tigabu,Pat,
来源:林业研究:英文版 年份:2010
人工补植通常用于增加低商业价值树种盛行的次生林中期望树种的密度。本研究评估了均格种植法(vis-à-vis gap)和行植法(line planting)2种人工补植方法,以及老挝过度采伐的...
[期刊论文] 作者:Emma Sandell Festin,Mulualem T,
来源:林业研究:英文版 年份:2019
Mining alters the natural landscape and discharges large volumes of wastes that pose serious pollution hazards to the environment,to human health and to agricul...
[期刊论文] 作者:Sovu,Mulualem Tigabu,Patrice S,
来源:林业研究(英文版) 年份:2010
Enrichment planting is commonly used for increasing the density of desired tree species in secondary forests often characterized by a prevalence of low commerci...
Increasing Detection and Confirmation of Tuberculosis in Children in Southern Ethiopia: Pooled Sampl
[期刊论文] 作者:Datiko,Mulualem A. G,
来源:结核病研究(英文) 年份:2018
Background: Childhood tuberculosis accounts for about 10% of estimated TB cases in the world. Despite advances in diagnostics, childhood TB remains a challenge....
[期刊论文] 作者:Pascaline Coulibaly-Lingani,Mulualem Tigabu,Patrice Savadogo,Per-Christer Odén,,
来源:Journal of Forestry Research 年份:2014
This study examines variations in the performance of participatory forest management programs among four forest management groups(FMGs) in southern Burkina Faso...
[期刊论文] 作者:Indra Prasad Sapkota,Mulualem Tigabu,Per Christer Odén,
来源:林业研究(英文版) 年份:2010
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、测量监控等方面人手,介绍了S226海滨大桥...
Species diversity and regeneration of old-growth seasonally dry Shorea robusta forests following gap
[期刊论文] 作者:Indra Prasad Sapkota,Mulualem Tigabu,Per Christer Odén,
来源:城市道桥与防洪 年份:2009
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、测量监控等方面人手,介绍了S226海滨大桥...
相关搜索: