查询词典 stepwise enhancement

Recent investigations on quantum interference effects were introduced, including line-shape variation, spontaneous emission enhancement or cancellation, constructive interference and electromagnetically induced transparency in molecular and atomic-molecular mixed systems in our laboratory.

概述了近年来我们实验室将原子中量子干涉推向分子及分子-原子混合体系中量子干涉效应的研究，内中涉及基于量子干涉的分子跃迁线型畸变、发辐射的相消和相长、子干涉的影响因素、子一原子混合系统中的量子干涉相消和相长、磁自感应透明等。

With the development of market economy and the enhancement of people's democratic and political consciousness,we can better improve the election system in the aspects: enlarge the range of direct election,proper election contest;improving the contester nominating system;reducing the propotion rat...

随着市场经济的发展，人民民主政治意识的提高，我国选举还应在下列几个方面进一步完善：扩大直接选举的范围；适度竞选；改进和完善候选人提名制度；缩小城乡代表的人口比例。

Based on the radar dense data of convectional cloud on June 12,2004 in Yongdeng county,choosing two similar convectional clouds as seeding and non-seeding cloud,the remarkable changes of radar echo parameters of the seeding cloud compared with the non-seeding cloud were discussed in this paper,and the rain enhancement effect was evaluated primarily with ground observational rainfall data.The results show that many aspects of the seeding cloud,such as precipitation,life characteristic and vertical characteri...

利用2004年6月12日甘肃省永登县雷达观测对流云的加密资料，选取了2次相似对流云过程分别作为目标云和对比云，探讨了目标云作业前后较对比云雷达回波有关参数的显著变化，并结合地面雨量点观测资料对地面人工增雨作业效果进行了初步分析，结果表明：目标云在降水、生命期特征、回波垂直特征参数变化方面，表现出作业前后较对比云存在明显差异，目标云作业40 m in后地面产生0.6 mm降水，而对比云则从新生发展到减弱消散阶段经历较短的时间(30 m in)，地面并无降水产生，从而推断本次人工增雨达到了一定的预计效果。

It appears that improvement of convective heat transfer is very important for enhancement of flux and heat efficiency.

结果表明，提高对流传热系数是提高膜蒸馏热效率和渗透通量的关键。

Chapter 2 introduces the basic theory of image enhancement, convolution theorem and Fourier transform.

第二章先介绍了图像增强的基本理论，卷积定理以及傅里叶变换。

Firstly, the geologic structure of the whole gas field was analyzed. On the basis, the abuse of existing reservoir prediction technology was probed. Then, a geophysical evaluation system aiming at coombe and interlayer was proposed, including petrophysics, resolution enhancement processing, colored inversion, time-frequency three primary colors, attributes projecting, etc.

为此，首先对D气田的地质构造进行了分析，并在此基础上探讨了现有储层预测技术系列存在的弊端；然后提出了一套针对冲沟和隔夹层的地球物理评价体系，包括岩石物理学、提高地震分辨率处理、有色反演、时频三原色和属性投影等方法技术。

Ursolic acid, which has immunity enhancement in the Cornus, was chosen as primary index in this research. The method of reversed-phase high performance liquid chromatography with ultraviolet detector was developed to determine the content of ursolic acid. The L9(34) orthogonal experimental design was used for Cornus to further process and explore its health product using the content of ursolic acid and the rate of paste as the assessment indexes.

本研究以山茱萸中具有增强免疫功能的熊果酸为主要考察指标，采用反相高效液相色谱-紫外检测法作为熊果酸含量的测定方法，以出膏率为参考指标，采用L9(34)设计正交试验，对山茱萸药材进行了深加工，开发其保健品；对所得到的提取物中的多糖进行了定性鉴定。

The analysis shows that edge-enhancement preprocessing can improve the performance of correlator effectively.

分析表明：边缘增强预处理能有效提高相关器的性能。

This paper introduced that how resynthesize the neural firing rate by correlogram inversion,how resume the lost information by half wave rectification inversion.and a solution of speech enhancement based on masking properties of human auditory is proposed and implemented,we can not only analyse and resynthesize speech signal ,but also analyse and resynthesize speech signal in noisy entironment with the system.

又根据听觉生理特点提出了抗噪声方案，使我们的语音分析／重构系统不仅可以对无噪信号进行重构，而且还可以在噪声环境下的语音信号进行重构。

Discrete cosine transform is an effective method to signal enhancement.

离散余弦变换是声信号增强的有效方法。

However it can often be frust ating for a child when people are unable to pronounce their name.

但它往往可以令人沮丧的一个孩子当人们无法断言他们的名字。

All these compounds were obtained from this genus for the first time. Compound, 4-cumylphenol, was a new nature product.

所有化合物均为首次从本属海藻中分离得到，其中4cumylphenol为新天然产物。