2. 您的位置
3. 首页
4. 期刊论文
5. An XPS Study of Nitrogen Structures in Soil Humic Substances

An XPS Study of Nitrogen Structures in Soil Humic Substances

来源 :土壤圈：英文版 | 被引量 : 0次 | 上传用户：jiaojiao2008zwj

【摘 要】

：

X-ray photoelectron spectroscopy (XPS) was applied to examine the N structures of soil humic substances and some of their analogues. It was found that for soil

【作 者】

：

WENQIXIAO CHENGLILI 等 

【机 构】

：

InstituteofSoilScience

【出 处】

：

土壤圈：英文版

【发表日期】

：

2001年4期

【关键词】

：

氮 CPMASNMR 赋存形态 XPS 土壤 腐殖质 交叉偏振幻角自旋核磁共振 X射线光发射能谱学 distribution of N forms 15N CP 

【基金项目】

：

国家自然科学基金

下载到本地 , 更方便阅读

下载此文 赞助VIP

声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架

论文部分内容阅读

X-ray photoelectron spectroscopy (XPS) was applied to examine the N structures of soil humic substances and some of their analogues. It was found that for soil humic substances XPS method gave similar results as those obtained by 15N CPMAS NMR (cross-pola

其他文献

Effect of Bacterial—Feeding Uematode Inoculation on Wheat Growth and N and P Uptake

A 40-day gnotobiotic microcosm experiment was carried out to quantify the effect of bacterial-feeding nematode on plat growth and nutrient absorption.The result

期刊

线虫类细菌氮吸收磷吸收接种小麦生长bacterial-feeding nematode nematode-bacteria interaction

Adsorption of Acid Phosphatase on Minerals and Soil Colloids in Presence of Citrateand Phosphate

The aim of this work was to study the influence of phosphate and citrate,which are common inorganic and organic anions in soils,on the adsorption of acid phosph

期刊

磷酸盐柠檬酸盐土壤酸性磷酸酶胶体acid phosphatase adsorption goethite kaolin soil colloi

Coupled Transfer of Water and Heat in Red Soil：Experimnt and Numerical Modelling

Coupled transfer of soil water and heat in closed columns of homogeneous red soil was studied under laboratory conditions.A coupled model was constructed using

期刊

水热输送红土数值模型土壤物理学coupled transfer of water and heat numerical modelling red

Impact of Some Agronomic Practices on Paddy Field Soil Health Under Varied Ecological Conditions： Ⅱ

A 21－d incubation experiment was conducted under controlled laboratory conditions to study the effects of elevated temperatures(10,25,and 40℃)on some microbiol

期刊

电子移动系统活动性苯酚磷脂蛋白质农业化学地质条件稻田土壤温度electron transport system (ETS) activity

Wien Effect in Suspensions of Electrodialyzed Soil Particles and Its Influencing Factors

The electrical conductivity of suspensions and their supernatants from the electrodialyzed clay fractions of latosol, yellow-brown soil and black soil equilibra

期刊

导电率电场强度土壤颗粒维恩效应土壤悬浮液影响因素electrical conductivity high field strength soil

Fertilization for High Yields in Corn—Sweet Potato—Wheat Rotation：A Systematic Approach to Nutrient

A systematic approach was adopted to investigate the nutrient limiting factors in gray-brown purple soils and yellow soils derived from limestone in Chongqing,

期刊

甜玉米马铃薯小麦轮作平衡施肥土壤营养限制因子系统逼近高产群体balanced fertilization high yield nutrie

Interaction Between Charge Characteristics and Cu^2＋ Adsorption—Desorption of Soils with Variable or

Charge characteristics and Cu2+ adsorption-desorption of soils with variable charge (latosol) and per-manent charge (brown soil) and the relationship between th

期刊

充电特性2价铜离子棕壤土壤adsorption-desorption Cu2+ ion permanent-charge soil variabl

Phosphorus Uptake and Utilisation Efficiencies of Different Wheat Cultivars Based on a Sand—Culture

A sand-based culture system using rock phosphate (P) was developed to simulate the situation in alkalinesoils, with respect to the dominant P form, and five whe

期刊

磷小麦栽培砂基培养phosphorus efficiency sand-culture uptake wheat genotypes

Thermocatalytic Oxidation of Chloro—Derivatives of Propane Occurring in Industrial Wastes

The processes of treatment and utilization of organic chlorine compounds: 1,2-dichloropropane andpropylene chlorohydrin, were investigated with application of c

期刊

含氯有机物工业废物氯乙醇丙烯chloro-organic substances 12-dichloropropane propylene chor

Acid Release from an Acid Sulfate Soil Sample Under Successive Extractions with Different Extractant

An acid sulfate soil sample was successively extracted with deionized water,1 molL^-1 KCl and 0.0005mol L^-1 Ca(OH)2 solutions.The results showed that only very

期刊

酸性土壤硫酸盐氯化钾铅铁氢氧化钙去离子水导电率acid release acid sulfate soil successive extra