Study of organic N transformation in red soils by ^15N tracer method

来源 :核技术：英文版 | 被引量 : 0次 | 上传用户：lipurple

【摘要】

：

Uniformly 15N-labelled ryegrass was used to investigate NH4^+-production,microbial transformation and humification of organic N in two types of red soils by inc

【作者】

：

YeQing－Fu ZhangQin－Zheng 等

【机构】

：

InstituteofNuclear－AgriculturalSciences,InstituteofNucl

【出处】

：

核技术：英文版

【发表日期】

：

1997年2期

【关键词】

：

红色土壤有机氮转换 15N示踪

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

Uniformly 15N-labelled ryegrass was used to investigate NH4^+-production,microbial transformation and humification of organic N in two types of red soils by incubating the soils amended with labelled material.The results showed that there was little signi

其他文献

N，N,N‘,N’—tetrabutylmalonamide as a new extractant for extraction of nitric acid and uranium（VI）

N,N,N',N'-tetrabutylmalonamide(TBMA) is synthesized and used for extraction of uranyl(Ⅱ） ion from nitric acid media in a diluent composed of 50% 1,2,4-t

期刊

铀硝酸提取新萃助剂

深静脉导管胸内留置术在癌性胸腔积液中的应用(附25例临床分析)

癌性胸腔积液临床上多见于肺癌及乳房癌患者,其治疗常采用反复胸穿或胸腔插管引流术尽可能抽尽胸水,继而胸腔内用药以控制胸水增长。但反复的胸穿或胸腔插管致病人痛苦较大、

期刊

临床分析深静脉导管留置术癌性胸水胸腔积液复张性肺水肿胸腔插并发症肺损伤小细胞癌

56例结核杆菌临床分离株吡嗪酰胺药敏试验结果分析

大多数药敏试验都可在pH中性的常规培养基上顺利进行，但吡嗪酰胺(PZA)药敏试验例外。因其杀菌作用须在pH5．6±0．1的酸性环境中才能充分发挥，因此常用的改良罗氏培养基、小川

期刊

吡嗪酰胺药敏试验临床分离株结核杆菌结果分析结核菌结果报告罗氏培养基琼脂培养基调查

Setup of 4π solid angle β detector and measurement of its performance

This setup has very good timing response.Its rising time is just 8ns.By using β-γ coincident technique,the intensities of γ lines following electron capture

期刊

电子俘获Β衰变β探测器E_β detector Suppressing parameter η Coincident detecting effici

Sonoluminescence and the probability of isothermal bubble collapse

Computations of air bubble collapse dynamics usually neglect thermal conduction.but recent computations show about a 3-fold reduction in bubble gas temperature

期刊

冷聚变声致发光等温泡消失Sonoluminescence Bubble collapse Thermal conductionCold fusion

ORIGIN FOR IRRADIATION EFFECT OF 0．56GeV C^6＋ ON CaVSn：YIG

This paper presents numerous physical characteristics of Ca,V.Sn doped yttrium iron garnet(CaVSn:YIG) irradiated with 0.56GeV carbon ions delivered by the Heavy

期刊

重离子碳离子钇铁石榴石辐照效果Energetic carbon ion Yttrium iron garnet Irradiation effect

Improved quasi—static nodal Green‘s function method

To solve the multi-dimensional transient neutron diffusion equations,improved quasi-static Green's function method(IQS/NEFM) is adopted to deal with the tem

期刊

反应堆动力学瞬变过程格林函数法Reactor kinetics Stiffness Transient problems

Study on fine quartz pre-dose techniques

When using the pre-dose technique in ceramic dating,it is essential to add a calibration dose and to eliminate the background dose.For doing this measurement th

期刊

考古学陶瓷辐照剂量热致发光断定年代Thermoluminescence dating Pre-dose techniques Ceramics

Optimization and comparison of accelerating cavities for the SSRF

The two kinds of cavities commolny used,the nose-coned and the bell-shaped cavities,are investigated for the RF cavity optimum design of the SSRF(Shanghai Synch

期刊

同步加速器辐射装置加速腔RF cavity High order modes(HOM) SSRFFeasibility studies

A compact isotope identification telescope with a wide dynamic range

A compact ΔE-E telescope,used to complete the isotope identification for lighter projectile-like fragments in intermediate energy heavy ion collisions.is devel

期刊

重离碰撞同位素识别氩离子束Isotope identificationTelescopeHeavy ion collisionsArgon-40 i

Study of organic N transformation in red soils by ^15N tracer method

其他学术论文