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   基线噪声 的翻译结果: 查询用时:0.5秒
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基线噪声
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  baseline noise
     The baseline noise was reduced as PBS having lower absorption at 200-210 nm than water, and consequently the sensitivity was improved.
     利用磷酸盐缓冲溶液在210nm以下的紫外吸收强度比水低的特性,降低了基线噪声,提高了过氧化物测定的灵敏度。
短句来源
     The main sources of uncertainty of verification for gas chromatography were stability of flow,stability of oven temperature,baseline noise,repetition of qualitative analysis and inputting amount of standard substance.
     气相色谱仪检定结果的不确定度主要来源于流速稳定性、柱箱温度稳定性、基线噪声、定量重复性和标准物质进样量的不确定度。
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  “基线噪声”译为未确定词的双语例句
     According to the distinct features towards the useful and noised signal in wavelet transform orders, a decomposition order algorithm by verifying the white noise in wavelet transform orders has been given.
     论文根据信号在小波变换下有用信号和噪声在不同分解尺度下有截然不同的表现,在利用M序列对基线噪声进行了白化检验的基础上,给出了确定小波分解层数的算法,得到加速器快脉冲瞬态信号在硬阈值量化和固定阈值规则下,既消除了噪声的影响,又保留了信号暂态特性,具有很好的去噪效果。
短句来源
     The system approaches previously reported systems in terms of preamplifier noise and the base line noise level.
     前置放大器和基线噪声水平均接近国外最好水平。
短句来源
     It′s noise is less than full scale 1% and the drift of baseline is better than full scale 2%.
     主要性能指标为基线噪声小于满量程1%; 每小时基线漂移小于满量程±2%;
短句来源
     The G - XYZ anion suppressor made in china was applied on DX - 500 ion chromatograph.
     将G-XYZ型国产抑制器应用于DX-500型离子色谱仪上,进行基线噪声、基线漂移、检出限和线性等试验。
短句来源
     DAD230(1024 array),were described. The performances of detectors were systematically evaluated with noise drift, dynamic linearity range and wavelength accuracy. The influence of difference of array resolutiones on the spectral resolution was emphasised.
     对 3种不同阵列数的新型二极管阵列检测器 -DAD2 30 (2 5 6阵列 )、DAD2 30 (5 12阵列 )、DAD2 30 (10 2 4阵列 )的基线噪声、漂移、线性范围、波长准确性等性能进行系统考察 ,重点考察阵列分辨率差异对光谱分辨率的影响。
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  相似匹配句对
     and noise group (N. G.)
     和噪声组(N.G.)
短句来源
     A recommended acceptable noise level can be determined from the teacheras response to the noise under investigation.
     噪声调查;
短句来源
     Denoising and baseline correction of spectrum by wavelet transform
     应用小波变换实现光谱的噪声去除和基线校正
短句来源
     2. Testing receiver's internal noise from zero baseline tests is recognized by many people.
     2.检定接收机内部噪声一般采用零基线法。
短句来源
     Statistics of baseline quality;
     基线质量统计;
短句来源
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  baseline noise
Four electronic filters suitable for baseline noise suppression in HPLC detectors were compared for their response and peak distortion characteristics under conventional HPLC conditions.
      
The reduced salicylate concentration allows good detectability in the indirect fluorescence mode, even though the baseline noise increased because the fluorescence intensity is lower.
      
It appeared that a mixing chamber with a packed bed was enough to reduce baseline noise from the modifier pump.
      
Good recoveries were obtained from spiked mineral water and sea water and the standard addition curves produced good linearity (r2>amp;gt;0.997) with a detection limit, calculated as twice baseline noise, of 20 μg L-1.
      
The detection limit determined for 10 s electrokinetic (5 kV) injection was 0.45 mg L-1 (three times the baseline noise).
      
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An ion chromatographic method for determination of trace quantoty of anions in electronic grade water, high purity gases, e. g. N2, H2, O2, Ar and He; special gases, e. g. SiH4, PH3, CO2, HC1 and CH4; various kinds of resins, plastics, reverse osmosis membranes and ultrafiltration membranes has been proposed. The detection limit is 0.1, 0.05, 0.5. 0.5, and 0.1 ppb for F-, Cl-, NO3-, HPO42- and SO42-, respectively.In this study the anion analytical method with detection limit lower than 0.5 ppb without using...

An ion chromatographic method for determination of trace quantoty of anions in electronic grade water, high purity gases, e. g. N2, H2, O2, Ar and He; special gases, e. g. SiH4, PH3, CO2, HC1 and CH4; various kinds of resins, plastics, reverse osmosis membranes and ultrafiltration membranes has been proposed. The detection limit is 0.1, 0.05, 0.5. 0.5, and 0.1 ppb for F-, Cl-, NO3-, HPO42- and SO42-, respectively.In this study the anion analytical method with detection limit lower than 0.5 ppb without using concentration coloum is reported for the first time.A rapid, reliable and accurate ion chromatographic method has been established and adopted as a National arbitration method for Electronic grade water standard.

本工作建立了高纯水、高纯气(N_2、H_2、O_2、Ar、He);特种气体(硅烷、磷烷、二氧化碳、氯化氢、甲烷)以及硅片,高纯水用的各种树脂、塑料,各种反渗透膜、超过滤膜中阴离子分析方法,对于F~-,Cl~-,NO_3~-,HPO_4~(2-)及SO_4~(2-)检测限分别为0.1,0.05,0.5,0.5,0.1ppb,并建立了半导体工艺废水中NH_4~+、NO_2~-、SO_3~(2-)、Br~-、CN~-和AsO_4~(3-)等离子的分析方法。用自制的小容积、灵敏度高的电导检测器以及自制的大体积定量管,代替了引进件。并改进了检测系统, 增加反压装置,降低了基线噪声,设计并制造了一套膜过滤及溶液吸收联用的气体采样装置,采用一次直接进样,大大提高了检测灵敏度(3倍),降低了检测限,从而首次成功的将这一分离技术应用在半导体工艺中,在国内外首次实现测定≤0.5ppb级超痕量阴离子不采用浓缩柱的技术,建立了快速、灵敏、可靠性强的离子色谱分析的新方法。 目前已为全国85个单位检验各种水质、原材料、气体等。该方法已定为中华人民共和国电子级水国家标准方法的仲裁方法。

This paper describes an Apple Ⅱ μC-based real time processing system with simple structure for body surface detection of late potentials. To avoid the conflict in time between averaging and exclusion of ectopic beats, two areas are set in the memory for saving the averaged data. The way of real time exclusion of ectopic beats is discussed. Late potentials are recorded. The system approaches previously reported systems in terms of preamplifier noise and the base line noise level.

本文介绍一种应用APPLEⅡ为主机、结构简单的实时处理的迟电位体表检测系统。为实现实时处理,在存贮区中开辟了两块数据区,以解决叠加处理和排除异常心搏时间上的矛盾.文中对实时排除异常心搏进行了探讨。本系统在临床应用时,检测到了典型的迟电位。前置放大器和基线噪声水平均接近国外最好水平。

The currently used quality control methods for anisodamine are perchloric titrime-try and colorimetry. They are insufficient in sensitivity and selectivity. On the basis of chro-matographic method,a rapid and sensitive reversed-phased HPLC method has been developed forthe determination of anisodamine in its preparations. The experiment was performed on ZorbaxODS column and detected at 214 nm, with levomisole as an internal standard. The mobile phasecorisisted of methanol-water-triethylamine(50 : 50 : 0.1, pH...

The currently used quality control methods for anisodamine are perchloric titrime-try and colorimetry. They are insufficient in sensitivity and selectivity. On the basis of chro-matographic method,a rapid and sensitive reversed-phased HPLC method has been developed forthe determination of anisodamine in its preparations. The experiment was performed on ZorbaxODS column and detected at 214 nm, with levomisole as an internal standard. The mobile phasecorisisted of methanol-water-triethylamine(50 : 50 : 0.1, pH 3). The results indicate that theHPLC method is easy to operate,with short analytical time and high sensitivity.

目前山莨菪碱的质控方法有高氯醚滴定法和酸性染料比色法,二者在灵敏度和选择性方面都存在不足。采用HPLC,在色谱条件优化实验的基础上,以ZorbaxODS为固定相,流动相:甲醇-水-三乙胺(50:50:0.1,pH3.0),检测波长214nm,左旋咪唑为内标物。日内误差RSD=1.16%,日间误差RSD=1.44%。对山莨菪碱制剂进行的含量测定结果表明,该法具有操作简便、灵敏度高、分析速度快的优点,一次色谱分析过程6min即可完成。检测下限可达10ng,克服了以往文献中因流动相含乙醚、导致基线噪声过大,难于在近紫外区进行检测而损失了山莨菪碱响应灵敏度的缺陷。

 
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