长波

The necessity of distingshing the longwave and shortwave sensitivity of this apparatus is discussed at first, and then the standard equipment of the improved black body radiation is introduced.

讨论了区分净全辐射表长波和短波灵敏度的必要性，介绍了改进后的检定净全辐射表长波灵敏度的辐射黑体标准装置。

We develop and apply the Hirota bilinear-θfunction method,Jacobi elliptic function expansion method,linear superposition method and F-expansion method respectively to solve many 2+1 dimensional nonlinear wave models including 2+1 dimensional 2DsG equation,the coupled ZK equation,2+1 dimensional KdV equation,2+1 dimensional long wave short wave resonance interaction equation and 2+1 dimensional dispersive long wave equation,abundant Jacobi elliptic function doubly periodic solutions are derived.These solutions show various periodic wave shapes and special periodic characters.

发展和应用Hirota双线性-θ函数方法，雅克比椭圆函数展开法，线性叠加法，F-函数展开法等分别求解2+1维2DsG方程，耦合ZK方程，2+1维KdV方程，2+1维长波短波共振相互作用方程，2+1维色散长波方程，获得丰富的雅克比椭圆函数双周期波解，描述了一些周期波形态及周期特性。

The economic long wave is produced by a periodicity renew of foundation industries.

经济长波是周期性的基础性产业技术更新产生的。一国在长波中的位置变化，决定了其经济繁荣程度的变迁。

According to the long wave theory, it is the cyclical movement of technology innovation that causes the cyclical movement of economy.

经济长波本质上可以说是熊彼特所说的创新周期，技术进步的周期性变化引起了经济的周期性波动，长波经历的时间内在地表现为技术进步周期性变化经历的时间。

Based on the understructure of the theory of economic long wave we had, this paper brought forward believable concept about the economic long wave.

本文在对经济长波理论总结的基础上，给出了一个令人信服的经济长波概念。

Compared with PF6P, the attachment of alkyl or alkoxyl groups on phenylene effectively inhibits the formation of fluorenone-based excimers and thus remarkably improves the thermal stability of the spectra.3. Morphology and phase behavior of the polymers substituted with alkyl and alkoxyl groups on phenylene were investigated by differential scanning calorimetry, X-ray diffraction and other techniques.

一方面，未取代的PF6P薄膜和烷氧基取代苯的PF60C6薄膜在空气中退火后都产生了芴酮结构，随退火温度的升高所生成的芴酮结构的含量逐渐增大；另一方面，新的长波发射随退火温度的升高其荧光寿命明显增加，因此确定PF6P空气退火薄膜的长波发射是来源于芴酮的激基缔合物。

The long wave ultraviolet grass green fluorescence function material is synthesized with the p-toluensulfonyl chloride and o-amino benzoic acid as raw materials,pyridine as solvent,and sodium ethoxide as activator.

缑卫军，刘新奇，紫外长波草绿荧光功能材料的合成研究以对甲苯磺酰氯和邻氨基苯甲酸为原料，吡啶为溶剂，乙醇钠为催化剂，合成紫外长波草绿荧光功能材料。

It is theoretically demonstrated that the influences of terrain height and orographic heterogeneity are important on the flux of surface long wave radiation over a large scale grid area.

摘要从理论和数值试验两个方面证明地形的非均匀性对网格区地面长波辐射通量的计算有重要影响，海拔高度场的区域平均值及其变差系数是影响网格区地面长波辐射通量的主要因素，仅仅用地表均匀假定下的区域平均参量（如平均海拔高度和平均温度）所计算的网格区地表有效辐射通量值与其真实值之间存在着一定的误差。

A new emission peak located at long wavelength (at about 515 nm) appeared in PL spectra of the unsubstituted polymer (PF6P) films annealed in air, and the intensity of the long wavelength emission increased with the increase of annealing temperature or annealing time.

苯环上未取代聚合物PF6P的薄膜在空气中退火后在长波(515 nm)出现一个新的荧光发射峰，随退火温度的升高或退火时间的延长，该长波荧光发射峰的强度逐渐增大，薄膜的紫外吸收峰变宽。

Various processes are described for the formation and development of corrugations.

全面地分析了中长波磨、均匀长波和非均匀长波磨耗的多种形成和发展过程。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。