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Solar radiation effects on leaf nitrogen and phosphorus stoichiometry of Chinese fir across subtropi
Background:Solar radiation(SR)plays critical roles in plant physiological processes and ecosystems functions.However,the......
Spinel Li4Mn5O12 has been of economical and academic interest as cathode material for 3 V lithium-ion batteries(LIBs) si......
Acid-sensing ion channels (ASICs) are believed to be homo-or heteromeric complexes,which have been verified by classical......
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为了实现对油漆物证的快速、无损以及准确分类,实验收集了犯罪现场常见的5个油漆品牌共计50个油漆样本的红外原始光谱数据和导数光......
叶片养分重吸收对土壤养分的变化很敏感.然而,我们尚不清楚氮沉降如何影响植物大量元素重吸收率.杨树(Populus deltoids)是世界上......
Amorphous WO_(3-x)thin films with color characteristics tuned by the oxygen vacancies created during
Tungsten oxides are interesting for a variety of applications due to their versatile optoelectronic characteristics,whic......
Molecular and structural basis of the assembly of an ion channelreceptor complexfrom structure to di
Autosomal dominant polycystic kidney disease (ADPKD) is one of the most prevalent human genetic diseases, afflicting......
Leaf nitrogen(N) and phosphorus(P) concentrations are critical for photosynthesis, growth, reproduction and other ecolog......
Modified coprecipitation process of synthesizing Bi-system superconductor precursor powder and its s
A modified coprecipitation process is presented based on the stoichiometry study of oxalate coprecipitation process in w......
Amorphous WO3-x thin films with color characteristics tuned by the oxygen vacancies created during r
Tungsten oxides are interesting for a variety of applications due to their versatile optoelectronic charac-teristics,whi......
Background:The terminal branch orders of plant root systems are increasingly known as an ephemeral module.This concept i......
,Effect of the stoichiometry on the electronic structure of the Ni (111)/α-A12O3 (0001) interface: a
In this paper first-principles calculations of Ni (111)/α-Al2O3 (0001) interfaces have been performed, and are compared......
It has long been recognized that the valence electrons of an atom dominate the chemical properties,while the innershell ......
The plasma membrane is a sophisticated,organized,and highly heterogeneous structure that compartmentalizes cellular proc......
Leaf nitrogen (N) and phosphorus (P) concentrations constrain photosynthetic and metabolicprocesses,growth and the produ......
Spatial patterns and environmental factors influencing leaf carbon content in the forests and shrubl
本文通过对荣华二采区10...
【目的】探索植被演替初期不同土壤基质对微生物碳氮磷含量及其化学计量比的影响。【方法】于2004年采集天然次生林(演替前样地)的......
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......
Linking nutrient strategies with plant size along a grazing gradient：Evidence fromLeymus chinensis i
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......
Much attention has been paid to the stoichiometry of carbon(C), nitrogen(N), and phosphorus(P) because of their signific......
Stocks and dynamics of particulate and dissolved organic matter in a large, shallow eutrophic lake (
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......
Effect of stoichiometry and Cu-substitution on the phase structure and hydrogen storage properties o
To improve the electrochemical properties of rare-earth–Mg–Ni-based hydrogen storage alloys, the effects of stoichiome......
以高纯的单质硼粉和石墨粉为原料,采用放电等离子烧结(Spark Plasma Sintering,SPS)技术,得到了一系列不同化学计量比的硼-碳陶瓷......
专性CAM植物燕子掌离体叶片的盐胁迫处理和失水干旱处理后 ,液泡膜H+ ATP酶对低浓度(2 0 0、40 0mmol/L)的盐胁迫 (NaCl胁迫 48h)......
Complex formation between aluminium and quercetin(Q) in methanol was investigated by means of 27 Al solid-state, 13C and......
【目的】探究藏东南高山松林表层土壤养分的分布特征,为高山松林的可持续发展提供理论参考,为西藏生态安全屏障的建立提供指导。【......
短命植物是中国荒漠区系中重要的组成部分,坡向是准噶尔荒漠区最重要的地形因子之一,可能影响该地区短命植物的生物量和化学计量特......
采用高分辨透射电子显微镜并结合选区电子衍射、X射线能谱仪技术研究沉积温度对BiFeO3薄膜的微观结构与化学计量比的影响。与600℃......
Impact of vegetation succession on leaf-litter-soil C:N:P stoichiometry and their intrinsic relation
Long-term natural vegetation succession plays a substantial role in the accumulation and distribution of plant and soil ......
前表面荧光光谱法(Front-face Fluorescence Spectrometry,FFFS)具有前处理方法简单、快速、准确和无损的特点,适用于非透明或非澄......
原油中沥青质、胶质及蜡3种组分的含量是油田开发、生产与输送工艺设计及运行方案制定的重要基础数据,其传统标准检测方法一般存在......
【目的】研究油茶凋落叶养分及其化学计量特征的变化规律,为进一步探索油茶养分循环提供依据。【方法】以油茶幼林、成林为研究对......
探究岩溶区不同石漠化程度土壤环境因子与土壤酶活性的关系对石漠化区的生态恢复具有重要意义。以云南省石林彝族自治县鹿阜镇为研......
本文研究的是钙镁的同时测定。钙和镁在可见光区均有吸收,同时测定两个指标往往有一定的困难。两组混合溶液进行光度测定所得的重......
In experimental study of the tin dioxide gas sensor, in situ sheet conductivity wasmeasured with ultrahigh vacuum four p......
采用厌氧氨氧化膨胀污泥床（ESB）反应器,研究了模拟废水中基质氨和亚硝酸盐对厌氧氨氧化工艺化学计量学的影响.结果表明,当分别只提高......
Root chemistry varies with tree species and root diameter but little information is available about Tibetan forest speci......
根据商群对称性分析法对LiNbO3（简称LN）晶体的Raman光谱做了理论计算。测量了LN不同配置下的室温Raman光谱。利用155cm^-1处的峰的半......
采用脉冲激光沉积（PLD）技术，在Si（100）衬底上制备出高度c轴取向的ZnO薄膜。通过X射线衍射（XRD）谱，扫描电镜（SEM）和室温光致发光（PL）光谱的测量，......
ASM系列模型自推出以来得到广泛应用.详细推导了ASM1涉及到的主要化学计量系数,分析了ASM在实际应用中应注意的问题.......
研究了化学计量比对AB4.8～AB5.2贮氢合金电化学性能的影响.结果表明:在本实验研究范围内,当x=0.1时,贮氢合金电极的0.2 C,1 C和5 C......
采用间歇法(batch method)模拟研究酸沉降下的高岭石在柠檬酸溶液中的长期溶解效应。研究表明:柠檬酸能显著促进高岭石Al和Si的释......
以4个不同林龄(3 a、14 a、21 a和46 a)的杉木人工林为研究对象,分0～5、5～10、10～20、20～40 cm 4个土层进行取样,测定土壤有机碳、全氮......
矿物风化计量关系对于定量土壤酸化速率至关重要。我国亚热带地区矿物风化强烈,土壤的酸敏感性高。为获取强风化土壤在矿物风化过......
