采样效率

  • 网络sampling efficiency
采样效率采样效率
  1. 结果:采样效率达100%,RSD小于1%。

    Results : The sampling efficiency was 100 % . RSD was less than 1 % .

  2. 采样效率为973%,样品在采样管中稳定时间为7天。

    The sampling efficiency was973 % . The samples were stable for7 days .

  3. 结果:方法采样效率大于94%,相对标准偏差RSD为2.6%~10.4%,本法与化学法相比测定结果无显著性差异。

    Results : the efficiency of samples collecting was high ( > 94 % ), RSD was 2.6 % ~ 10.4 % . There was no significant difference between this method and chemical method .

  4. 用碳分子筛TDX-01作吸附剂分析测定大气中超痕量的C6-C8苯系物空气总氚采样器的采样效率刻度

    Use of carbon molecular sieve as adsorbent for sample collection in the determination of c_6 to c_8-benzenoid hydrocarbons in air calibration for collection efficiency of total airborne tritium sampler

  5. 2-二乙氨基乙醇室温放置5d,下降率9.5%;采样效率>90%。

    The activated charcoal tube adsorbed 2-Diethylaminoethanol may be stable for 5 days with a decay rate of 9.5 % , the efficiency of sampling by this method was more than 90 % .

  6. 为了提高采样效率采用了重要性采样法。

    In order to increase the efficiency , we adopted the Important Sampling .

  7. 空气总氚采样器的采样效率刻度

    Calibration for collection efficiency of total airborne tritium sampler

  8. 应用气溶胶发生法评价空气微生物采样器采样效率

    Evaluation of the sampling efficiency of bioaerosol samplers by the aerosol generating method

  9. 气体中雾状物质的采样效率探讨

    The discussion about sampling efficiency of mist in gas

  10. 采样效率90%。

    The sampling efficiency was 90 % .

  11. 实例表明,该方法具有采样效率高、重构曲面精度高、曲面光顺等特点。

    The experimental results show the high efficiency and high accuracy of the method , and better surface smoothness .

  12. 平均采样效率为丙烯醛99.6%,丙烯酸98.4%,甲苯96.5%;

    The average trapping efficiency was 99.6 % for acrolein , 98.4 % for acrylic acid , 96.5 % for toluene , respectively .

  13. 目前,蛋白质折叠模拟中的难题之一,是传统的蒙特卡罗和分子动力学等方法采样效率过低,不能有效地模拟蛋白质分子的折叠。

    Currently , the sampling efficiency in traditional methods , such as Monte Carlo and molecular dynamics , is the big obstacle to simulate protein folding .

  14. 该方法能够大大提高构象空间的采样效率,避免长时间陷入局部最小态。

    This method can make the peptides avoid trapping in the local minima for long time and enhance the sampling efficiency in conformational space during the simulation .

  15. 标准曲线的相关系数0.99815,加标回收率99.47%~104.86%,相对标准偏差0.17%~0.20%,平均采样效率100%。

    The correlation coefficient of calibration curves was 0.998.Recovery rates were 99.47-104.86 % . The relative standard deviations were 0.17-0.20 % and average sampling efficiency was about 100 % .

  16. 结果表明,气样引入方式、空气温、湿度以及气体吸收液的动态稳定性均对采样效率有影响;

    It shows that the sampling efficiency is effected by the way of leading gas into instrument , air temperature , air humidity and the dynamic stability of gas absorption solution .

  17. 考虑到采样效率和成本等综合因素,在区域调查中,以采集弱胶结层(5~40cm)、细粒级样品(-160目)为最佳采样介质。

    Elements tend to concentrate in residual debris and cemented silt and clay matter . Sampling of fine fraction of samples ( - 160 mesh ) from cemented soil horizon are cost-effective method for regional exploration .

  18. 实验表明该新序列适用于弱耦合和强耦合体系;不仅可用于研究化学样品,还可用于研究生物组织样品,而且该序列的采样效率高。

    The study indicates that the new pulse sequence is applicable to weakly-coupled and strongly-coupled spin systems . In addition to chemical samples , it is applicable to biological tissue samples . Moreover , the sequence is highly time-efficient .

  19. 针对粒子滤波算法采样效率低、实时性差等问题,本文重点研究了粒子滤波算法的采样部分,分别采用辅助粒子滤波算法和均值偏移嵌入式辅助粒子滤波算法,逐步提高粒子的有效性。

    To deal with low sampling efficiency and poor computation efficiency , the sampling part of the particle filter algorithm is the major concern . Auxiliary particle filter algorithm and mean-shift embedded auxiliary particle filter algorithm are introduced to gradually improve the particle efficiency .

  20. 通过试验提出了实用有效的改进方法,使测试结果的准确性提高,氟的采样效率从原来的34.3%提高到67.4%。

    An improved , practical and effective sampling procedure was offered on basis of some experiments . The improved procedure increased the accuracy of the measurement results greatly , and the sampling efficiency for fluoride was improved from 34 3 % to 67 4 % .

  21. 结果固相吸附气体采样管采样效率、洗脱效率分别为(98.73±0.86)%和(98.60±1.20)%;

    Results For the solid phase adsorption gas sampler , the collection efficiency was 98.7 % , and the desorption efficiency was 98.6 % .

  22. 实验室模拟采样的捕集效率为957%~991%。

    The trap efficiency of simulated sampling in laboratory was 95.7 % ~ 99.1 % .

  23. 适应度计算方法影响遗传算法的采样空间和执行效率,研究适应度的求解方法有助于解决多目标优化问题。

    Solution to fitness affects c and efficiency of Genetic Algorithm ( GA ) . Research on such problem conduces to develop multi-objective optimization problem .

  24. 通过严格的性能测试分析,重采样、混音算法效率和系统性能都有较大提高,表明本文提出的解决方案是可行的,能有效地提高整个系统的处理能力和性能。

    From the experiment result we can know that the efficiencies of resampling and mixing and the performance of the system are improved greatly which means the proposed solutions are feasible .

  25. 通过对不同格网数据的特点采用不同的重采样方式,提高了重采样效率的同时,避免了在数据空白区域人为的生成虚假数据,并且为后续的滤波算法提供数据组织方式。

    Different resampling methods for each grid are used according to the characteristics of grid data . So it improves resampling efficiency , avoids to manually creating false data in data blank area , and provides data structure method for back filtering algorithm . 3 .

  26. 矿山空气污染监测中,采样布点设计、采样方法、采样效率和采样成本是空气污染监测研究的主要课题。

    The sampling point distribution design and sampling method , efficiency and cost are the major subjects in the research of mine atomospheric pollution monitoring .

  27. 使用不同容积、不同类型的吸收瓶(管)在不同的采样条件下进行DEP雾样品采集,将采样效率和采样过程发生的现象进行比较,选择出合适的采样方法和采样条件

    The appropriate sampling methods and sampling conditions have been selected by contrasting the sampling efficiency with phenomenon happening in the sampling process

  28. 本文对玻璃纤维滤膜-XAD-2吸附剂采样系统在平炉烟道中苯并(a)芘的采样效率进行了验证。结果表明,加入的BaP其回收率接近零。

    The sampling efficiency for Benzo ( a ) pyrene in stack was tested for glass fiber filter-XAD-2 adsorbent sampling system , Results showed that the recovery of added BaP was nearly zero .

  29. 对用注射器采样甲醛法测定高浓度SO2样气精密度、准确度、采样效率、样品的稳定性进行了研究.并应用于燃煤、燃油锅炉排气中SO2浓度的测定。

    The high concentration SO2 sample was determined by the formaldehyde analysis , sampling with injector . Its precision , sampling , efficiency and stability of sample was studied .

  30. 文章对环境空气中多环芳烃的采样与分析方法进行了概述,侧重介绍了样品的采集、净化、采样效率的评估方法和采样分析全过程的质量控制。

    In this paper sampling and analysis methods of total polycyclic aromatic hydrocarbons in ambient air are introduced . Methods of sampling and cleanup are described as well as evaluation methods of sampling efficiency and quality control procedures from sampling to analysis .