PNDV was recovered from the brains of these died ducklings. However, the ducklings infected by intramuscular injectio n or nose/eye dropping had no any abnormality within 14 days post infection, but the specific antibodies against NDV were detected by HI test(6～9)log2, wh ich declined markedly in a short time. No PNDV was isolated from the brains and t he spleens of these ducklings.
而肌肉注射组雏鸭和滴鼻点眼组雏鸭于接毒后14天内均未表现任何异常，但可诱导产生较高效价的特异性抗体，然而抗体效价在短时间内迅速下降，且自其脑和脾脏中均未分离到PNDV。
The article introduces site concept word on the foundation of abstract and public transportation node, undertake expanding to site keyword, eliminate different meanings asking ask, model of network of node of road of thread of abstraction of public transportation circuitry, introduce inquiry log to record sharp list to assist interlocution, short information business realized mobile phone of have the aid of two-way transmit.
本文在抽象公交节点的基础上引入站点概念词，对站点关键词进行扩展、消除问询歧义，把公交线路抽象成线路节点网络模型，引入查询日志记录快表辅助问答，借助手机短消息业务实现了双向传输。
Reduced membranous expression of 3 -catenin was associated with short survival, conclusion: E-cad/ 3 -cat complex may have play an importmant role incolorectal tumor progress and invase.
p｛at膜表达正常结直肠癌思者主存期忧于p｛at膜表达减弱或缺失者（log－rank test，P＜0.of）。
Short messages are filtered with no sound or light indication and can be viewed in a separate message log in the ER interface.
短信息中筛选掉不健全或轻适应证和可以被看作一个单独的消息日志中的雌激素受体接口。
On this basis, it makes a short-term forecasting of the persistency of the export comparative advantage with ARMA model, and makes a long-run forecasting with the semi-log model in the direction of production cost especially in the direction of average labor-day cost.
在此基础上运用自回归移动平均模型对我国柑橘出口比较优势的可持续性进行了短期预测，运用半对数模型从生产成本角度主要是从劳动日平均工价角度对其进行长期预测。
In this technique blind coal powder are mixed with emulsified asphalt, pressed into coal log which have high quality and low cost. This method has short process circle, less consumption. It is a new clean coal technology.
介绍了一种用乳化沥青做粘结剂以无烟粉煤制取型煤的新工艺方法，该工艺流程短、耗能少，型煤质量高，成本低，无污染，是洁净煤的新技术。
The principle of short-wave type sensor, property and a water detector for annular log are introduced in this paper.
文中还介绍了井下找水仪传感器的原理，特性及其应用。
In this paper, the authors study the speech enhancement algorithm based on Minimum Mean Square Error short time Log Spectral Amplitude estimation (MMSE-LSA) under the single channel condition, and simplify the algorithm in order to improve the real-time processing.
通过研究单通道条件下基于语音短时对数谱的最小均方误差（MMSE-LSA）估计的语音增强算法，简化了算法难度，改进了实时性。
The sawtooth interference on some log curves is a random noise with short cycle.
某些测井曲线上出现的毛刺干扰，具有随机性质，周期短，并与地层性质无关。
In an environment in which many short concurrent transactions occur, by default each COMMIT statement triggers one log buffer flush to disk.
在发生许多较短并发事务的环境中，每条COMMIT语句默认触发对磁盘的一次日志缓冲区刷新（flush）。
After creating the second snapshot the program then compares it with the first and records all the differences in a special file called an " installation log file ", or " log file " for short.
在创建第二个快照之后，该软件会将其与第一相比较，把所有不同的部分保存在一个叫“安装记录文件”或简称“记录文件”的特殊文件中。
Gravity log has such advantages as wide investigation range, small effect of caliper variation, short repeated observation cycle, no limit for depth of the interested zone.
重力测井具有探测范围大、受井径变化影响小、重复观测周期短、不受目的层埋深限制等优点。
Based on the data of the listed enterprises in China from 2001 to 2004, the paper finds that financial ratios of listed enterprise reflecting short-term debt paying ability follow log-normal distribution, and financial ratios of listed enterprises reflecting long-term debt paying ability follow normal distribution.
通过对上海证券交易所2004年上市公司年报的4个财务比率指标的统计分析，发现表征短期偿债能力的财务比率指标服从对数正态分布，表征长期偿债能力的财务指标服从正态分布。
It estimates the six variables'long-term and short-term impact on the three regional energy use efficiency by linear-log long-run equilibrium equation and error correction model.
通过线性对数的长期方程和误差纠正模型估计了这六个因素对这三个区域能源使用效率的长期和短期影响。
The paper analyses the deficiencies of time-frequency resolution in short window time Fourier transform, and sketches out both wavelet transform concept and multiresolution analysis. Multiresolution property of wavelet transform is then used to make the time-frequency analysis and processing of seismic and log signals.
本文讨论了短时窗傅里叶变换时频分辨率的缺点，介绍了小波变换的基本概念及多分辨率分析方法，然后利用小波变换的多分辨率特性对地震和测井信号进行了时频分析和处理。
Analysis on Contracting Situation of Output Value per Cubic Meter of Short Log in Felling Area
对伐区短材生产立米值承包情况的分析
Com - parison between calculation and measured results is made for a short wave Log Periodic Antenna with frequency band 5~28 MHz and gain > 10 dB in the band.
文中对频带为（5-28）MHz，带内增益>10dB的短波对数周期天线的计算与实测结果进行了比较。
Four types of the well log response models for the short-term datum cycle of Middle Jurassic are delineated such as retrogradation-retrogradation, retrogradation-progradation, progradation-retrogradation and progradation-progradation ones.
将中侏罗统短期基准面旋回测井响应模型分为退积-退积型、退积-进积型、进积-退积型和进积-进积型等4种。
The paper introduces the technological process, equipment, technological conditions and preparation results of making chemimechamicalpulp with APSP ultra-short term black poplar of small diameter log.
介绍了APSP超短期黑杨小径材化机浆的流程、设备、工艺条件和研制结果。
The estimation equation for the maximal volume of short sawn timber from the peripheral part of a log and the optimal sawcut position were approached.
对原木周边部分最大短锯材材积计算式和最佳锯剖位置探索的结果。