The sampling efficiency was 97 3%. The samples were stable for 7 days.
采样效率为97 3%，样品在采样管中稳定时间为7天。
And the importance sampling technique is applied to improve the sampling efficiency.
进一步研究了采用重要性抽样技术提高抽样效率的问题。
The sampling efficiency, reproducibility and storage stability of aromatics on the adsorption GCB cartridge were evaluated.
评价了基于GCB填充柱采样的吸附效率、重现性和贮存稳定性。
In order to standardize bioaerosol sampling and to raise sampling efficiency, a new sampling medium for detecting bioaerosols was developed.
为了提高生物气溶胶的采样效率，为采样标准化奠定实验基础，研制了一种能适合大多数生物气溶胶的新型采样介质。
This paper describes the working principles and structure of the meter, and analyses sampling efficiency, linear range and moisture influences.
本文介绍了这种测尘仪的原理、构造组成；并对采样效率、线性范围、温度影响进行了分析。
Theoretical analysis and the actual simulation all indicate that the sampling efficiency can be increased significantly by using these optimum parameters.
分析和实际模拟表明，在以正态分布进行抽样的前提下，应用优化的参数，可使抽样效率进一步提高。
The operating principle and the choice of the main parameters for a new pulse phase detector used in UHF band is described. The sampling efficiency is discussed.
本文阐述了一种用于微波波段的脉冲鉴相器的工作原理、主要参数的选择原则，并对其进行了取样效率的理论分析。
Using the way, the sampling efficiency for small-probability events can be improved considerably, as can be seen from the contrasts shown in a group of results of simulation.
应用该方法可以大大提高小概率事件的抽样效率，文中给出一组仿真结果对照。
Significant difference exists between the sampling efficiency of gravity. plate and those of Andersen sampler and THK-201 sampler when they are used for sampling airborne bacterial particles.
对大气细菌粒子，用平皿沉降法分别与A·S采样器法、THK- 201采样器法测定的结果相比，有非常显著的差异。
These sources of error and uncertainty include variations in flare efficiency, mis-identification of flares, non-continuous sampling, and environmental effects like snow reflection.
这种误差来源和不确定性包括燃除效率差异、燃除的判断错误、不连续的采样、以及像雪花反射那样的环境影响。
The efficiency and accuracy of the mixed method are improved by the use of the important sampling updating technique.
通过使用重要抽样技术，提高了混合分析法的计算效率和计算精度。
The paper describes how to improve the accuracy and efficiency of engine test using a microcomputer data sampling and processing system.
本文论述了利用微型机数据采集与处理系统来提高发动机试验精度和效率的方法。
The researches indicate that applying DASP technology in test instrument platform can extract high frequency signals with lower sampling rate effectively, and improve test precision and efficiency.
研究表明DASP技术融入测试平台能以较低的采样率有效地提取高频信号，提高了测试精度和效率。
The efficiency of regression estimate was usually higher than systematic sampling.
通常情况下，回归估计的效率高于系统抽样。
Moreover, the chromatography separate condition, sample clean-up, the distributes regulation of target compounds in gas and particles, and the trap efficiency of sampling instrument is also studied.
并对色谱分离条件、样品净化方式、目标化合物在气相和颗粒物上的分布规律及采样器的捕集效率进行了实验。
To improve efficiency and veracity of soil sampling in testing bulk density, the cutting ring method and in situ soil tube method were combined and a multi-segment in situ soil sampler was designed.
为了提高土壤容重测定中土样采集的效率和精准性，将环刀法和原状取土管法结合，进行了分段式原状取土器的研制。
This sampling technique shows the organic combination of the delaminated sampling and the intercrossing sampling, which is in favor of raising the estimation efficiency of the sampling survey.
该项抽样技术体现了分层抽样与交叉抽样的有机结合，有利于提高抽样调查的估计效率。
The system replaced manual sampling and adjustment, and improved adjustment precision and test efficiency.
该系统的使用不仅替代了滤棒的人工取样和调整，也提高了调整精度和检测效率。
According to the feature of contacting measurement, the dissertation first puts forward the twice-sampling planning method for free-form surface in order to improve measuring efficiency.
根据接触测量的特点，为提高测量效率，本文提出了一种两次采样的曲面数字化规划方法。
We took into account the importance of this aspect in the design of algorithms model, and increased the efficiency of algorithm using the average sampling pixels.
我们在设计算法模型时考虑了这方面的重要性，利用像素点的平均采样提高了算法的效率。
The utility model can realize the online automation operation, relieve the labor intensity and increase the sampling operating efficiency and the sample quality.
采用本实用新型可实现在线自动化作业，减轻劳动强度，提高取样工作效率和质量。
The efficiency of these new random sampling methods is high in comparison with the best of the existing methods.
同已有的最好的方法比较这些随机抽样方法的效率均有提高。
It is important to select suitable sampling space and projection data for reducing cost and improving the image reconstruction efficiency in convolution backprojection algorithm.
利用卷积反投影算法对图像进行重建时，要降低成本，提高成像效率，就必须选取合理的抽样间距和投影数。
Thus it will guarantee the primary placer gold sampling and reduce the Labour intensity of workers, in order to raise the drilling efficiency.
从而能保证取出原生矿样，并降低工人的劳动强度，实现钻进的高效率。
By making use of Z depth efficiency in error judgement of sampling point and utilizing reliability of vector partition, it can define the cutting error on real time.
利用Z高度法效率高的优点，判断采样点是否超差；利用矢量分割法检测结果可靠性高的优点，求解沿着设计曲面的法矢方向以及采样点到刀具扫略体的距离（切削误差）。
Calculation variance can be reduced by multiple important sampling technique, and then calculation efficiency can be improved.
复合重要抽样可以减小计算方差，提高计算效率。
Using the method combining systemic sampling and cluster sampling together, we select 972 persons to be the inquisition object, collecting 890 valid questionnaire, with 91.6% efficiency .
调查采用分层整群抽样的方法，选取972人作为调查对象，得有效调查问卷890份，有效率为91.6%。
The present experiment carried out at the later stage of cotton growth with the aim to lengthening the period of sampling and culturing as well as the raising of culture efficiency in a larger extent.
本试验选择在棉花生长后期进行，以期延长取材和培养工作时间以及在更大范围内提高培养效果。
According to Monte Carlo sampling simulation method of MTTF, MATLAB is to be used in sampling simulation, which greatly increases the computing efficiency. It is very important for engineering ap...
针对有限样本条件下，大型复杂系统平均寿命评定的蒙特卡罗法，提出利用MATLAB进行抽样模拟，大大提高了计算效率，对工程中大型复杂系统平均寿命评定具有重要应用价值。
According to Monte Carlo sampling simulation method of MTTF, MATLAB is to be used in sampling simulation, which greatly increases the computing efficiency. It is very important for engineering ap...
针对有限样本条件下，大型复杂系统平均寿命评定的蒙特卡罗法，提出利用MATLAB进行抽样模拟，大大提高了计算效率，对工程中大型复杂系统平均寿命评定具有重要应用价值。
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