The method of trace detection of benzene, toluene, ethylbenzene, and xylene(BTEX) was studied in ambient air using laser two-photon ionization.
利用激光双光子电离技术研究了在大气压力下探测痕量苯系物的方法。
Similarities in the REMPI spectra of all the ions could lead to greater trace detection sensitivity if the total ion yield is concerned instead of only the parent ions.
由于共振增强多光子电离（REMPI）母体离子谱与碎片离子谱的相似性，可用探测总离子信号的方法来替代单独的母离子探测，有效地提高痕量探测的灵敏度。
Connection leak detection: Special trace that helps identify the culprits when database connections are not properly released after being used by an application.
连接泄漏检测：如果应用程序在使用数据库连接后未能将其正常释放，这种特殊的跟踪能帮助您辨识问题的原因。
QScan technology enables many applications including cleaning verification, reaction monitoring, and trace gas detection.
QS can技术可以应用许多方面，包括清洁验证、反应监测和气体检测等。
Besides, the algorithms of edge detection, contour extraction and contour trace have been adopted in ct imaging processing.
此外，运用边缘检测、轮廓提取和轮廓跟踪等算法将CT图像进行边缘以及轮廓的处理。
Photoacoustic technology is widely used in fields of trace gas detection due to its high sensitivity.
光声技术由于其高灵敏度的特性目前被广泛应用于痕量气体检测领域。
Poly (aromatic diamine) -modified electrodes have shown potential applications in detection of trace heavy metal ions and the treatment of polluted water, and they can be as heavy metal-ion sensors.
芳香族二胺聚合物修饰电极在痕量金属离子的探测、污水处理乃至重金属离子传感等方面都显示出极大的应用潜力。
Genotyping error has become one of important issues during the molecular marker detection studies, especially for the trace sample genotyping and forensic analysis.
基因分型错误已成为目前分子标记检测(如痕量样品分析、法医学鉴定)过程中愈发受到重视的问题。
Resonant laser ablation of metal is a very important experimental method, because it can be used as detection technique of trace element with high sensitivity.
金属样品的共振激光烧蚀可以作为一种高灵敏的痕量探测技术，近年来受到越来越广泛的重视。
Conclusion: the detection of monoclonal antibody in trace gastric juice is an effective method for the early discovery and secondary prevention for gastric cancer.
结论：微量胃液单克隆抗体检测对胃癌的早期发现，及时进行胃癌的二级预防提供了有效途径。
Experiments specify that we can get the accurate edge trace and the equations fitted from the collecting data through edge sharpening and detection of image processing technique.
实验结果表明，采用图像处理技术是可以将一个采集来的图像经过边缘锐化和边缘检测形成比较清晰的轨迹，能够拟合出比较精确的方程。
Objective: to investigate the influence of trace elements on diabetes through the detection of alteration of serum trace elements in diabetes patients.
目的：通过检测糖尿病患者血清中微量元素的含量，探讨微量元素对糖尿病的影响。
In order to detect and trace the intrusion, an architecture for intrusion detection based intelligent agent and a distributed trace algorithm are presented.
为了能有效地检测和跟踪入侵行为，这里提出了一个基于智能代理的入侵检测系统的体系结构和分布跟踪算法。
It discusses the mass spectral interference and non-interference in the detection of trace elements in non-ferrous materials by using a new generation of ICP-MS and its new technology.
阐述了新一代ICP - MS在有色金属材料痕量元素检测分析中质谱干扰和非质谱干扰问题及其克服新技术。
In this paper a new method for detection of pollution trace gases with laser mass spectrometry is presented and the calibration procedure is also given.
介绍了一种新的环境污染痕量气体探测方法——激光质谱法，并给出了定标方法。
The separation and determination of trace sulfide in water, combined with flow injection analysis is carried out by low ion chromatography with chemiluminescence detection.
结合流动注射技术，将低压离子色谱与化学发光联用检测痕量硫离子。
The experiment results show that the new method is a simple and efficient method for direct detection of trace drug, toxicant and their metabolites in biological samples without sample pre-treatment.
实验结果表明，该法是一种简便、有效、不需进行样品预处理而可直接对生物样品中药物和毒物进行检测的方法。
Especially the laser-induced fluorescence detection is the most sensitive method, because it can meet to the detection of trace component, single molecule and single cell.
尤其是激光诱导荧光检测，由于其能够满足生物样品中痕量组分的测定，甚至可以达到单分子、单细胞检测水平，而成为毛细管电泳最灵敏的检测技术。
We determined trace silicon, phosphorus, niobium and titanium in steels, and examined the detection limits, accuracy and precision, and the results were satisfactory.
用此扩展道同时测定了钢铁中微量硅、磷、铌和钛，并对方法的检测限、精密度和准确度进行了考查，结果令人满意。
Therefore, a new cavern detection technique called accumulation energy difference method was proposed, which USES the seismic reflection energy difference in trace or between traces to detect caves.
为此，提出了一种新的溶洞检测方法——累计能量差法，即利用道内或道间地震反射能量上的差异进行溶洞检测。
This paper presented an intruder locating system based on network intrusion detection, which can trace back the indirect attack in controlled network environment.
提出并实现了一个基于网络入侵检测的入侵者定位系统。
Ozone depletion during the detection of trace level ozone was discussed in the paper.
还讨论了低浓度检测过程中臭氧耗损问题。
Objective:To develop a method for the detection of trace organic substance in deionized water.
目的：研究一种去离子水中微量有机物质的测定方法。
Main interests are research on detection methods of trace pollutants, mechanism of environmental pollution and nonlinear optical phase conjugation.
主要从事环境微量污染物检测方法及污染机理研究，非线性光学相位共轭技术研究。
METHODSA method based on microwave sample digestion and inductively coupled plasma-mass spectrometry (ICP-MS) detection was established for determination of trace elements in Arctii.
方法用微波消解器消解，用电感耦合等离子体质谱仪测定牛蒡子中的微量元素含量。
A method was developed to determine the trace bromate in drinking water by ion chromatography (IC), comparing with the rapid detection bromate apparatus.
本文建立了测定水中痕量溴酸盐的离子色谱法，并与快速检测方法进行了比对实验。
The latest progress of trace gas concentration detection technology is reviewed.
综述了近些年来国内外痕量气体浓度检测技术研究的最新进展。
This method has high accuracy and sensitivity of detection, which can meet the requirements of trace analysis.
该方法具有较高的检测准确度和灵敏度，符合痕量分析的要求。
Based on trace analysis, three kinds of blanks and the relation between blanks and the detection limit are discussed with experiment results and in theories.
本文拟从痕量分析的要求出发，以理论与实验数据结合的方式对几种空白及它们对检出限的影响进行了讨论。
Photoacoustic detection of trace concentrations of gases is one of the most sensitive techniques of infrared Absorption spectroscopy.
光声光谱法是基于红外吸收光谱原理的一种高灵敏度的微量气体探测技术。
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