1.
Treatment Methods of Isotope ~(15)N Labeled Sample for Mass Spectrometry
质谱检测用同位素~(15)N标记样品的处理方法
2.
On Progress in Gross Nitrogen Transformation Using ~(15)N Isotopic Pool Dilution
~(15)N同位素稀释法测定土壤氮素总转化速率研究进展
3.
The Effect of Zeolite on Nitrogen Nutrient of Corn Using ~(15) N-Isotope Dilution Method;
用~(15)N同位素稀释法研究沸石对氮肥利用率的影响
4.
Temporal and Spatial Variations of the Nitrate-nitrogen Sources in an Underground River Using ~(15)N Isotope Technique
基于~(15)N同位素示踪技术的地下河硝态氮来源时空变化特征分析
5.
Distribution and δ~(15)N Character of Nitrogen in paddy soils located in different regions
不同区域水稻土的氮素分配及δ~(15)N特征
6.
Effects of nitrogen forms on the absorption and distribution of nitrogen in Populus tomentosa seedlings using the technique of ~(15)N tracing
应用~(15)N示踪研究毛白杨苗木对不同形态氮素的吸收及分配
7.
Carbon and Nitrogen Isotope Geochemistry of Karst Groundwater in City;
喀斯特城市地下水C、N同位素地球化学
8.
The Analysis of the C,N Stabilized Isotope of teeth found in Anyang Gu'an Burial Site,Henan
河南安阳固岸墓地人牙的C、N稳定同位素分析
9.
Study on Tobacco Plant s Absorption and Distribution of Nitrogen by Using ~(15)N;
利用~（15）N研究烤烟氮素吸收分配规律
10.
δ~(15)N and Trace (Macro) Elements in Groundwater in Jinfo Mountains;
金佛山地区地下水δ~（15）N及微（常）量元素研究
11.
NITROGEN-15 TRACER STUDIES OF THE MECHANISM OF FORMATION OF RDX
用氨基氮-15同位素示踪原子法研究黑索今的生成反应机理
12.
STABLE ISOTOPIC ANALYSIS ON ANIMAL BONES FROM THE WUZHUANGGUOLIANG SITE,JINGBIAN,NORTHERN SHAANXI;
陕北靖边五庄果墚动物骨的C和N稳定同位素分析
13.
On the Chinese Word Groups of "V s N" and "N s V;
论同素逆序的“V的N”与“N的V”偏正短语
14.
Studies on the Characteristics of Absorption, Distribution and Utilization of Foliar Urea-N in Zaohongzhu Nectarine in Greenhouse;
设施栽培‘早红珠’油桃对叶面施～（15）N-尿素吸收、分配和利用研究
15.
Studies on Charactritics of the Absorption, Distribution and Utilization of Foliar Application of ～(15)N-Urea in Hongdeng Sweet Cherry;
‘红灯’甜樱桃叶施～（15）N-尿素的吸收、分配和利用特性的研究
16.
Characteristics of absorption,utilization and distribution of spring soil ~(15)N-urea application for Gala/Malus hupehensis
嘎拉苹果对春施~(15)N-尿素的吸收、利用与分配特性
17.
Studies on the property of absorption and partition of ~(15)N in Fuji apple trees using ~(15)N-labelled urea in early summer
红富士苹果对初夏土施~(15)N-尿素的吸收、分配和利用特性
18.
Determination of N-nitrosodiethanolamine in cosmetics by isotope dilution-liquid chromatography-tandem mass spectrometry
同位素稀释液相色谱-串联质谱法测定化妆品中的N-亚硝基二乙醇胺