示踪物

水体受粪便污染的分子示踪物（粪醇）的研究

The molecular tracer ( coprostanol ) of faecal pollution in receiving waters

示踪物运送时间法测流的原理及应用

Principle and Application of Water Flow Measurement by the Tracer Transfer Time Method

用同位素D2O和KCL作示踪物，在间断灌水的条件下，追踪了D2O和阴、阳离子在土柱中移动的动态。

Under the conditions of uninterrupted irrigation D_2O and KCL as the tracers traced the kinesis of D_2O , positive and negative ions in the edaphic column .

为此，我们利用室内培养试验，通过~（15）N示踪物标记蚯蚓，定量评估了蚯蚓排泄分泌的氮对土壤氮的贡献，并探讨了蚯蚓作用下土壤微生物生物量及活性的变化。

Therefore , we used ~ ( 15 ) N-labeled method to determine the contribution of earthworm to soil nitrogen pool by excreted nitrogen , and to explain the effects and mechanisms of earthworms on soil native nitrogen mineralization .

每人口服100mg非放射性示踪物L[113C]苯丙氨酸进行呼气试验，应用气体核素比值质谱仪测量服药前和服药后360min内各时间点气样中13CO2的丰度。

Breath samples were taken before and different intervals within 360 min after administration . 13 CO_2 enrichment was measured by isotope ratio mass spectrometer .

作为一种天然的示踪物，稳定碳同位素（13C）较放射性同位素具有安全、无污染、易控制的优点，在土壤-植物生态系统碳循环研究中得到广泛应用。

Stable carbon isotope13C has been widely used in the study of carbon cycling in soil-plant system , due to its safe , no pollution , and easy to be handled .

结果表明，生物膜起主要作用，示踪物的大小和表面特性也影响小MBR系统对病毒的去除效率。

The virus removal was also compared with the removal of E. coli . The results indicate that the size and the surface properties of the indicator organisms also affect the removal efficiency of the MBR system .

以FITC-LPS为示踪物对小鼠肠道内毒素移位的观察

Method of Observation on Phenomenon of Translocation of LPS from Gut with FITC LPS as Tracer in Mice

海洋环境中氧同位素示踪物技术

The tracing technique of oxygen isotope in the marine environmental sciences

秸秆燃烧产生的颗粒物中有机示踪物的分析方法

Quantitative analysis of organic tracers on particulate matter from crop straw burning

~（125）Ⅰ标记蛋白质示踪物的制备

The preparation of ( ~ ( 125 ) I ) iodinated peptide tracers

我们连续地将一种示踪物注入某稳定运动流体中之一点。

We continuously inject a tracer into a point in a steadily moving fluid .

本文介绍了海洋示踪物新种类的区分。

The divison of new kinds of marine tracers is introduced in this paper .

海洋沉积物动力学的示踪物方法

Tracer Methods in Marine Sediment Dynamics

海洋新示踪物&锝-99

Technetium-99 as a New Marine Tracer

Eu~（3+）标记链亲和素为示踪物。

And Eu ~ ( 3 + ) - ions are bound to streptavidin as the tracer .

本文采用数值方法求解平流扩散方程，对太原市的一次示踪物实验进行了大气扩散的数值模拟。

The paper does a numerical simulation of atmospheric diffusion about an experiment of one time tracer at Taiyuan .

示踪物若趋于球形、表面光滑，则其停留时间变短，反之亦然。

Being more spheric and smooth , tracers retain in the bed for a shorter averaged residence time , vice versa .

关键试剂，如：抗体，示踪物，参考标准品和基质应适当定义并在规条件下储存。

Key reagents , such as antibody , tracer , reference standard , and matrix should be characterized appropriately and stored under defined conditions .

免疫分析是利用免疫反应的特异性和示踪物的灵敏性进行物质超微量分析的传统方法。

Immunoassay is the traditional method for analysis of substances in trace amounts , combining the specificity of immunoreactions with sensitivity of the tracer .

一种惰性物质，是同类物质放射示踪物的载体，经化学反应痊愈后具有抵抗性。

An inactive substance that is a vehicle for a radioactive tracer of the same substance and that assists in its recovery after some chemical reaction .

陆相盆地充填沉积物中砾岩沉积特征分析是示踪物源及反演源区构造演化背景的重要手段之一。

The analysis of the conglomerates depositional characteristics in filling sediment of continental basin is one of the important methods to indicate provenance and its structural development .

所谓同位素构成，是指在某一元素的特定样品中该元素不同同位素的百分比率。同位素构成因此特别适合于作为铜矿厂来源的示踪物。

Isotopic composition , the percentages of the different isotopes of an element in a given sample of the element , is therefore particularly suitable as an indicator of the sources of the ore.

在稳态环流模式的基础上，加入氚作为被动示踪物，研究了该海洋模式的模拟性能。

On the basis of the steady state of the ocean circulation , as a passive tracer , tritium ( 3H ) is incorporated into the OGCM to study the performance of the model .

摘要根据科研生产工作的实际需要，借鉴稀土元素分布模式示踪物源的方法，对冲积平原景观区土壤中稀土元素的分布模式进行了系统研究。

Considering the practical requirement in scientific research and adopting the tracing method for REE distribution patterns the authors earned out a systematic research on the distribution patterns of REE in soils of alluvial plain .

本文的论题是示踪物方法在海洋物源追踪和沉积物输运率计算中的应用，以及示踪物方法的普适性理论框架。

The present contribution is concerned with the application of tracer methods to marine sediment dynamics , in terms of material source identification , sediment transport rate calculations and the problem of a universal theoretical framework .

还根据近年来研究者应用石英矿物来示踪物源的研究进展提出了今后利用石英研究物源需要注意的4个问题。

Based on the advances in study on quartz as a tracer for material source in recent years , 4 problems with the studies on quartz as a tracer for material source in the future are proposed .

本文应用胶体碳作为示踪物，对小鼠在大肠杆菌内毒素引起休克时的肺，小肠和膈肌进行了血管通透性的形态学研究。

Using colloidal carbon as a tracer , morphologic studies of the vascular permeability on the lung , intestine and diaphragm were carried out in mice following Escherichia coli endotoxin injection . Shock was produced in 10 mice by injecting endotoxin intraperitoneally .

本文首先给出了刚性示踪物在背景流场中的运动方程，利用变分伴随方法结合反问题的正则化思想建立了示踪物轨迹反演背景流场的伴随模型。

This paper proposes a motion equation of the rigid object which moves in the background field . An inversional model which can get wind through the moving object 's trajectory is first referred by using the variational adjoint method and Tikhonov regularization principle .

REE示踪沉积物物源研究进展

Research progress in REE tracer for sediment source