isotope tracer

Study on the Bonds between Lignin and Cellulose by()~ ( 13) Carbon Isotope Tracer Method

~（13）C同位素示踪法研究木素与纤维素连接键的形成

Using high intensity isotope tracer to test Water injection profile of high baseline abnormal wells

用高强度同位素测试基线异常高井的吸水剖面

Application of Thermal Ionization Mass Spectrometry in Study of Stable Calcium Isotope Tracer in Human Body Calcium Isotope in Human Tracer

热表面电离同位素质谱在人体钙同位素示踪研究中的应用

A new method of determination of nitrogen content and nitrogen-15 abundance with stable isotope tracer

稳定同位素示踪技术中~（15）N丰度及全氮测量的新方法

Study of Isotope Tracer Method in Two-dimension Rock Fissured Network Seepage

二维岩体裂隙网络渗流同位素示踪研究

Isotope tracer technique showed that glucosamine sulfate above can pass through the skin in vitro of test animal in a diffusion cell and osmose into subcutaneous tissue.

同位素示踪研究结果显示，实验中制备的放射性同位素标记的氨基葡萄糖硫酸钠可穿过扩散池内的离体实验动物皮肤，进入皮下组织。

The isotope tracer method for study on seepage flow in fissured rock

孔中同位素示踪方法研究裂隙岩体渗流

The effects of nematodes on~ ( 15) N absorption by wheat and~ ( 15) N loss from soil& plant system were also studied using~ ( 15) N isotope tracer technique.

利用盆栽试验，研究杀灭线虫对土壤N、P转化和小麦生长的影响，以及运用~（15）N同位素示踪技术研究了线虫对~（15）N吸收和损失的影响。

Re-Os isotope tracer and dating methods in Ore Deposits Research

金属矿床Re-Os同位素示踪与定年研究

Studies on the utilization of Phosphoric fertilizer on Alfalfa with the Usage of 32P Isotope Tracer

~（32）P同位素示踪法对紫花苜蓿利用磷肥的研究

The absorption, utilization and distribution of different sources of nitrogen in tabacco with isotope tracer were studied.

本文根据~（15）N示踪技术对烟草吸收不同来源氮素后分配利用的研究，分析了烟草氮素营养的特征。