查询词典 sampling

Given system parameters, the relational curves of the mean square error vs sampling step length are presented for different delay time.

提出了减小延迟同步误差的一些方法，得到一些对混沌同步和混沌控制应用有意义的结果

To meet the common demands of the heterodyne signal process system, a phase measurement system based on dual-differential phase discrimination is studied and applied. With the frequency range of 5kHz-50kHz, this system has sampling rate of 10/sec, stability of ±0.0036°, maximum error of ±0.06°, and it can measure the zero point of phase angle.

围绕高精度外差信号处理系统的一般要求，研究和实现了基于双向差动鉴相的相位测量系统，在5kHz-50kHz的范围内、采样速率10次／秒时，示值稳定性优于±0.0036°，最大误差小于±0.06°，可以测量零相位。

The freezing technology of papanicolaou test is one meliorative technique based on papanicolaou test, the technique emphasizes on every process of sampling,smearing and staining, the most important step is the fixed smears should be soaked into the restoring-liquid of cells morphology based on the theory of penetration and expansion principle,thus achieve the purpose to cells restoring their normal appearance,to promoting cells staining and to improving cells transparency and clarity, it will be favorable to improve the cells recognition rate,the positive rate,the specification,sensitivity and decrease leaking rate and misdiagnosis rate.

冷冻式巴氏涂片技术是建立在传统巴氏涂片基础上的一种改良技术，该法在制片的过程中强调注重取材制片的全过程，其核心步骤是把固定好后的细胞玻片置入细胞形态修复液中，利用渗透膨胀的原理对已干枯萎的细胞进行修复，从而达到恢复细胞形态的目的，促进细胞着色，提高细胞透明度和清晰度，有利于对病变细胞的识别和提高对宫颈病变细胞的阳性检出率、特异度和灵敏度，降低漏诊误诊率。

The method uses Chinese pharmacopoeia 2005 edition dissolve of 2 appendices XC goes out degree determine the first law, it is menstruum with 0.1 Mol.L-1 hydrochloric acid, rotate speed is 75 R.min-1, sampling time is 30 Min, determine in good qualities of 287 Nm wave its dissolve goes out degree.

方法采用中国药典2005年版二部附录XC溶出度测定第一法，以0.1 mol.L-1盐酸为溶媒，转速为75 r.min-1，取样时间为30 min，在287 nm波优点测定其溶出度。

Results: The good linear range of method was 10 to 1000μg/ml (T=0.9999) with the correlation coeffivient of 0.9999, and the limit concentration in air was 0.2 mg/m^3 with the average relative standard deviation less than 5%(n=6). The average sampling rate ranged from 96.6 to 100%, and the breakthrough capacity of l00mg activated charcoal was 4.7mg. The average desorption rate was 97.6%, and mesityl oxide absorped in activated charcoal tube was stable for 7 days and can be detected accurately with other gas coexisting in the air of workplace.

结果：异亚丙基丙酮浓度在10~1000μg/ml内呈良好线性关系，相关系数0.9999，最低检出浓度为0.2mg/立方公尺，相对标准偏差＜5%(n=6)；气体采样效率≥96.6%，100mg活性炭对异亚丙基丙酮的穿透容量为4.7mg，平均解吸效率97.6%；活性炭样品室温下可保存7天；丙酮、丁酮、异佛尔酮、苯、甲苯、二甲苯等共存物不干扰测定。

This study may pave the way to preliminary establish a new kind of CRMs suitable for quality control of solid sampling microanalysis.

本工作将为研制适用于固体取样的微分析质控天然基体的标准物质提供一个可能的途径。

Microfluidic chips took microchannels as a network to link a micropump, microvalve, reservoir, electrode, microdetector. It integrated analytical functions of sampling, dilution, adding reagent, reaction, isolation and so on, which was called micro total analysis systems,μTAS.

微流控芯片是一种交互集成的微全分析系统，它以微管道为网络连接微泵、微阀、微储液器、微电极、微检测元件等，可最大限度地把采样、稀释、加试剂、反应、分离、检测等分析功能集成为一体。

Sampling directly at radio frequency in a microwave receiver is impossible up to now because of the limit of today's devices.

对于微波接收机，由于目前器件速度的限制，还无法直接采用射频采样，但若采用中频数字化方案，不仅具有良好的可行性，而且在应用上仍然可以带来许多方便和灵活性。

Several high speed signal processing technologies of wideband digital receivers,including monbit IFM technology,polyphase channelized technology,channelized digital receiver based on FFT and RF bandpass sampling microwave digital receiver,are discussed in detail.

详细讨论了宽带数字接收机的几种高速信号处理技术，包括单比特瞬时测频技术、多相滤波信道化技术、基于FFT的信道化接收机和射频带通采样微波数字接收机，最后提出了在宽带中频数字接收机高速信号处理领域需要深入研究的有关技术。

The basic principle for the layout of GPR survey line was summarized on the three basic operation modes,i.e.,reflection mode,common mid point mode and transillumination mode,and the basic principles for the choice of GPR field operation parameters were introduced,which included the center frequency of antenna,the maximum time window,the spatial and temporal sampling intervals,and the separation 'between' the transmitting and receiving antennas.

概括了探地雷达野外工作的基本方法，介绍了探地雷达现场工作测线布置的基本原则，并总结了探地雷达野外测量时工作参数的选择原则。这些工作参数包括工作天线主频、采样时间窗的大小、空间采样步长、时间采样间隔、天线距大小。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。