Objective To study the function of the VIP in pathogenesis of PN.
目的了解血管活性肠肽（VIP）在结节性痒疹（PN ）发病中的作用。
Obtaining evidence for the validity of PN scores can take many forms.
取得PN分数有效性证据可采取多种方式。
So it can generate enough PN sequence with good correlation property.
由此可以产生数量众多相关特性优良的伪随机序列。
Regenerative composite PN codes are appropriate for deep space ranging.
再生复合伪码非常适合于深空测距。
The result showed: In water stress, the Pn (photosynthetic rate) decreased.
结果表明，水分胁迫使欧李光合速率下降。
Therefore, teachers need to provide big sheets of paper for PN kids to draw on.
所以，老师需要提供给托班的孩子较大的纸让他们画。
Traditionally accepted root production values 15%-25% of Pn was probably too low.
传统假定的根系生产量占森林生产量的15%—25%可能是太低的估计。
The results obtained from this dissertation play an important role in PN systems.
其研究成果对伪码体制系统具有重要的参考价值。
Pontine nucleus ( PN ) is the most important relayed nucleus between cerebrum and cerebellum.
桥核是大、小脑之间最重要的中继核团。
Based on the performance of PN code and carrier tracking loop, an optimal loop bandwidth is presented.
在分析伪码和载波跟踪环性能的基础上，给出了跟踪环路的最优带宽。
In fact, as the result of the period of a PN code, cyclostationarity is a key property of DSSS signal.
事实上，由于伪码的周期性而导致的循环平稳是扩频信号的一个重要特征。
Responses to the post-CSA questionnaire provided additional data to support the validity of PN ratings.
对CSA后问卷的反应提供了额外的数据，以支持PN分级的有效性。
This paper proposes a simple and practical threshold adaptive estimating method for PN code acquisition.
该文提出一种简单、实用的PN码捕获门限自适应设置方法。
Objective To explore the rationality and indications of parenteral nutrition (PN) and its infusion routes.
目的探讨肠外营养(PN)输液途径的合理性及适应证。
Objectives: To investigate the influence of PN via portal vein on insulin and glucagon in liver regeneration.
目的：探讨肝部分切除后不同途径静脉营养对胰岛素和高血糖素的影响及其意义。
During the experiment, under the same shading and the different moisture treatment, Pn isn't notably different.
整个试验过程中，在同一种遮荫条件下，水分处理对光合速率差异不显著。
Furthermore, this system lowers the data rate of each carrier branch, so it is easier to make PN sequence synchronized.
由于该系统降低了每个子载波上的数据速率，扩频序列更容易同步。
A definite low Pn velocity region to the south of Tarim basin is possibly related to strong magma and tectonic activity.
塔里木南缘中部存在一显著的低速区，可能与岩浆活动和构造活动较强有关。
Differing from the usual model, the present model of PN diode consists of the effect of shunt conductance on the current.
与通常使用的PN结二极管模型不同，本文模型考虑了并联电导对电流的影响。
Conclusion Arginine can improve the immune function in patients with colorectal cancer after operation and enhance PN effect.
结论精氨酸能改善大肠癌患者术后的免疫功能，增进肠外营养的效果。
The acquisition performance of the PN matched filter is analysed under the condition of Gaussian channel and Rayleigh channel.
文中对高斯信道和瑞利信道条件下的PN匹配滤波器的捕获性能进行了分析。
Based on the adaptive Kalman filtering algorithm, an estimator for the GPS PN code tracking error with model bias is proposed.
在自适应卡尔曼滤波算法的基础上提出了一种带模型偏差的GPS伪码跟踪误差估计器。
Overall, both the external and internal test score relationships provide additional evidence for the validity of the PN scores.
总而言之，外部和内部的测验分数的关系均为PN分数的有效性提供了额外证据。
Methods:19 cases were collected and divided randomly into early enteral nutrition group(EN) and parenteral nutrition group(PN).
方法：临床烧伤病人19例，随机分为早期肠道营养组（EN）和胃肠外营养组（PN）。
One of the difficulties of designing GPS receiver working under high dynamic circumstance is to fast acquire the satellite PN code.
设计在高动态环境下工作的GPS接收机，其难点之一在于对卫星伪码的快速捕获。
The diurnal variation of Pn in hebei-walnut was influenced by light intensity, leaf temperature and intercellular CO2 concentration.
影响河北核桃净光合速率日变化的主要因子是光合有效辐射、叶片温度及胞间CO_2浓度。
The PN exercise is an important part of the assessment of the readiness of medical school graduates to enter graduate training programs.
PN练习是评估医校毕业生进入研究生培训项目的适宜程度的一个重要部分。
PN-junction is the basic element of electron system and the interference of electromagnetic radiation will affect on PN junction finally.
PN结是电子系统的构成基础，电磁辐射干扰将最终作用到PN结上。
One is the detection of low SNR DSSS signal and extraction of length of PN code, the other is detection of BPSK signal from multi signals.
对直扩信号侦测的计算机模拟结果表明，该方法不仅能检测到低信噪比的此类信号，而且能提取到扩频码周期等参数。
The algorithm is applicable to precise measuring of the PN code phase of satellite positioning signals and spread-spectrum ranging signals.
该算法的主要应用领域为卫星定位信号和直序扩频测距信号PN码相位的精确测量。
应用推荐