搜索筛选:
搜索耗时1.8859秒,为你在为你在102,285,761篇论文里面共找到 1,000 篇相符的论文内容
发布年度:
Relationship between Leaf Micro- and Macro-Nutrients in Top Canopy Trees in a Mixed Forest in the Up
[期刊论文] 作者:A. Sobrado,
来源:美国植物学期刊(英文) 年份:2014
The mixed forests of the upper Rio Negro at the northern of the Amazon basin grow in oxisol soils that are extremely infertile. These areas exhibit deficiencies...
[期刊论文] 作者:Stephen A. Banks,
来源:美国植物学期刊(英文) 年份:2014
The history of the Black Mountains in North Carolina and the southern Spruce-Fir ecosystem has been fraught with widespread forest decline since the mid 1960’s...
[期刊论文] 作者:A. David,
来源:应用数学(英文) 年份:2014
In this paper, I applied the Euler-Lagrange equations in order to obtain the coupled-nonlinear motion equations for an elastic structure. The model is composed...
[期刊论文] 作者:Zareen A. Khan,
来源:应用数学(英文) 年份:2014
The goal of the present paper is to establish some new approach on the basic integral inequality of Gronwall-Bellman type and its generalizations involving func...
[期刊论文] 作者:James A. Bunce,
来源:美国植物学期刊(英文) 年份:2014
Corn, with C4 photosynthetic metabolism, often has no photosynthetic or yield response to elevated carbon dioxide concentrations. In C3 species, the yield stimu...
Diurnal and Seasonal Variations of Surface Ozone and Its Precursors in the Atmosphere of Yanbu, Saud
[期刊论文] 作者:Hesham A. Al-Jeelani,
来源:环境保护(英文) 年份:2014
Surface ozone (O3) and its precursor’s gases (nitrogen monoxide (NO), nitrogen dioxide (NO2), nitrogen oxides (NOx), carbon monoxide (CO), methane (CH4) and no...
[期刊论文] 作者:Isaac A. Ololade,
来源:环境保护(英文) 年份:2014
Soil characterization and heavy metals in different layers (0 - 15 cm;15 - 30 cm and 30 - 45 cm depth) of automobile mechanic waste dumps were studied. The soil...
[期刊论文] 作者:Ronald A. Holser,
来源:美国分析化学(英文) 年份:2014
Peanuts (Arachis hypogea) produce several phenolic compounds such as catechins that may be isolated as co-products from peanut seed testae or skins during peanu...
[期刊论文] 作者:Ronald A. Holser,
来源:美国分析化学(英文) 年份:2014
Highly unsaturated fatty acids such as docosahexaenoic acid and linolenic acid are prone to oxidation with a resulting loss of bioactivity and generation of mal...
Spatial Modeling of Optimum Zones for Wind Farms Using Remote Sensing and Geographic Information Sys
[期刊论文] 作者:Hala A. Effat,
来源:地理信息系统(英文) 年份:2014
Wind power is a safe form of renewable energy and is one of the most promising alternative energy sources. Worldwide, the wind power industry has been rapidly g...
[期刊论文] 作者:David A. Hart,
来源:生物医学工程(英文) 年份:2014
Mesenchymal stem/progenitor cells (MSC/MPC) from a variety of tissue sources (bone marrow, adipose tissue, fat pads, synovial membranes, synovial fluid, skin, m...
Is Adipocyte Differentiation the Default Lineage for Mesenchymal Stem/Progenitor Cells after Loss of
[期刊论文] 作者:David A. Hart,
来源:生物医学工程(英文) 年份:2014
Mesenchymal stem/progenitor cells (MSC/MPC) are found in many tissues and fluids including bone marrow, adipose tissues, muscle, synovial membranes, synovial fl...
[期刊论文] 作者:Nady A. Elneairy,
来源:食品与营养科学(英文) 年份:2014
Proceeding from the fact that the seeds of Roselle plant are full of nutritional constituents, however in Egypt and Libya, they are often discarded as a by-prod...
[期刊论文] 作者:Victor A. Miroshnikov,
来源:美国计算数学期刊(英文) 年份:2014
Kinematic Fourier (KF) structures, exponential kinematic Fourier (KEF) structures, dynamic exponential (DEF) Fourier structures, and KEF-DEF structures with con...
[期刊论文] 作者:Laszlo A. Marosi,
来源:现代物理(英文) 年份:2014
We compare the Hubble diagram calculated from the observed redshift (RS)/magnitude (μ) data of 280 Supernovae in the RS range of z = 0.0104 to 8.1 with Hubble...
[期刊论文] 作者:A. K. Orujov,
来源:现代物理(英文) 年份:2014
It has been shown experimentally for the first time that diffusion of cesium n rhenium takes place at irradiation of atoms flux heated up to Т ≤ 1800 K -C. An...
[期刊论文] 作者:Eduard A. Arinshteyn,
来源:现代物理(英文) 年份:2014
In the present paper, a generalization of the method of partial summation of the expansion of the thermodynamical potential is proposed. This generalization all...
[期刊论文] 作者:Walton A. Perkins,
来源:现代物理(英文) 年份:2014
The purpose of this paper is to show that the composite photon theory measures up well against the Standard Model’s elementary photon theory. This is done by c...
Mean Square Heun’s Method Convergent for Solving Random Differential Initial Value Problems of First
[期刊论文] 作者:A. Sohaly,
来源:美国计算数学期刊(英文) 年份:2014
This paper deals with the construction of Heun’s method of random initial value problems. Sufficient conditions for their mean square convergence are establish...
Interaction of Two Pulsatory Waves of the Korteweg-de Vries Equation in a Zigzag Hyperbolic Structur
[期刊论文] 作者:Victor A. Miroshnikov,
来源:美国计算数学期刊(英文) 年份:2014
A new exact solution for nonlinear interaction of two pulsatory waves of the Korteweg-de Vries (KdV) equation is computed by decomposition in an invariant zigza...
相关搜索: