查询词典 PN

There exist some disadvantages in several common methods for solving the Poisson equation of PN junction, and so a new ameliorative arithmetic was presented.

摘 要：针对在PN结泊松方程求解过程中几种常用方法存在的不足，提出一种改进算法。

When the current through the PN junction is constant and the temperature rises, the positive volt reduces. According to the analysis of the variation of the positive volt, a linear formula is given.

PN结在恒流条件下，通过对其正向偏压随温度升高而降低的线性化分析，得到其传感原理的简化线性公式。

Pn 2.3.3 Standing Waves or Resonances When a free progressive wave encounters a sharp change in impedance such as at an air-hardwall boundary, and if the angle of incidence is normal, then the reflected wave travels back along the original path of propagation with a 360 ° change in phase.

pn 2.3.3 驻波和共振当自由行波遇到波阻突变时，比如遇到气壁边界，若入射角度垂直于边界，那么反射波会沿原路径返回，相位变化360°。

While changes to the scoring rubric were primarily based on rater feedback, and were tested in pilot studies, there is still a need to collect new evidence to support the use of the PN exercise and to ensure that potential sources of irrelevant variance are not compromising test score interpretations.

虽然评分标准的变动主要地基于评级员的反馈，并在前期研究中经过了测试，但仍需要收集新的证据，以支持PN练习的使用并确保不相干差异的潜在来源不会牺牲对测试分数的解释。

Also, as search results are accumulated, the amount of unsearched PN space within a window decreases, thereby decreasing the probability of finding a strong pilot and increasing the ability for more intelligent scheduling.

而且，随搜索结果的积累，窗口中未被搜索的PN空间量减小，从而降低了找到强导频的概率，提高了更智能化调度的能力。

E. To closely monitor the sales of EL/PN product, desuperheater, and humidifiers.

及时监控和掌握EL/PN产品，减温器和加湿器的销售情况

In order to evaluate the effects of important ecophysiolorical factors, such as light intensity, temperature, relative humidity, leaf structure(SLW, specific leaf weight; and SLA, specific leaf area) etc., on the net photosynthetic rate of Gordonia under natural conditions, the diurual and seasonal variations in Pn are measured with the improved dry-weight method.

为了探讨在自然条件下重要生理生态因子，如光照强度、温度、相对湿度、叶结构(SLW，单位叶面积干重；SLA，单位叶面积率)等对四川大头茶净光合作用的影响，本文采用改良半叶法测定四川大头茶净光合作用日变化和年变化，并结合遮阴实验详细研究了生理生态因子与Pn的关系。

2Compared with PN group,following microcirculatory changes were observed in EEN group in vivo status:interlobular artery and vein structures disappeared,the vessel course was distorted and deformed;intralobular vessels were twisted into nidus,there was patchy bleeding around the vessel combined with necrosis;microcirculatory structures of pancreatic island disappeared and pancreatic tissue necrotized;capillary network had bleeding and necrosis.

2活体状态下观测大鼠胰腺微循环情况显示与PN组相比，接受EEN治疗大鼠急性胰腺炎微循环小叶间动、静脉伴行结构消失，血管走行扭曲变形更加明显；小叶内血管扭曲变形成团，血管周围出现斑片状出血，并伴有坏死；胰岛微循环结构消失，组织坏死；毛细血管网大片状出血、坏死。

PN model, LAC neural network and its learning algorithm are all put forward first time in this thesis.

PN神经元模型、LAC神经网络及学习算法，都是本文首次提出的。

The increase of both PN/TSS and the number ration of small particles showed that nitrogen (microgramme per gram particle weight) attached to small particles is more than large particles.

径流后期PN/TSS值增加和小颗粒数目比例上升表明单位质量小颗粒上的氮含量要高于大颗粒上氮的含量。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。