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Focuses on the characteristic of YASS' random embedding, this pap er studies the locaton of embedding blocks using the characteristic of YASS' random embedding, and finds out that the YASS' embedding processing will have an impact on JPEG images' statistical property.

本文针对YASS隐密术随机嵌入的特点，研究了YASS嵌入数据的位置分布。同时，分析了信息嵌入过程对JPEG图像数据统计特性的影响，提取了多个有效的特征，结合秘密数据的分布概率，设计出一种有效的专用型隐密分析算法。

A fluidized drying method was used to research the drying characteristic of zymotic orange peels, and a experimental equipment of fluidized drying bed was built, the influence to the drying characteristic of drying parameters such as air temperature, air velocity, particle diameters, the height of bed layer and the initial moisture content etc, are analyzed.

采用流态化干燥方法对发酵柑橘皮渣的干燥进行实验研究，建立一个小型的流化床干燥试验台，分析了各干燥参数如风温、风速、颗粒粒径、床层高度以及初始含湿率对发酵柑橘皮渣干燥特性的影响。

The characteristic of ABR is change water power characteristic and to improve the term of mass transfer in the reactor in order to increase the reaction velocity; and increase alkalinity to improve the capability of abirritation of the system through add Na2CO3 to reaction and a optimal pH condition which fit to acidic bacterium come into being. In result, the organic matters are removed efficiently in system.

异波折板水解酸化反应装置最大的特点是改变了水流特征，改善反应装置内酸化菌与基质之间的传质条件，以加快反应速率：同时在反应装置内加入碳酸钠，碳酸钠溶液作用在于提高反应装置内废水的碱度，增强系统的缓冲能力，把pH值控制在适合酸化菌生长的范围，充分发挥微生物的活性，使系统的有机去除能力大大提高。

CAN bus has been the most promising fieldbus and it has been widely used in many areas, but with the increasing of complicacy in automation systems for industrial controlling, people have more and more strict requirement to the real-time capability of information, So it is very important to study the real-time characteristic of CAN protocol for surmounting the limitation of aptotic priority in CAN protocol by taking effective measures and improving the real-time characteristic of communication system based on CAN bus.

CAN总线是目前最有前途的现场总线之一，它已经在多个领域得到了广泛的应用，然而随着工业控制自动化系统复杂性的增加，对信息实时性的要求越来越高，因此，研究CAN协议的实时性问题，采取合理的措施克服CAN协议中固定优先级机制的缺陷，提高CAN总线通讯系统的实时性具有重要的应用价值。

The characteristic information of denudation and cumuli area, excavation and transport area, and slope area is highlighted in the first principal components. The information of higher and lower vegetation-cover area is highlighted in the second principal component. Results show that the contribution rate of two principal components in the front achieves 97.16%. And object feature was classified by using characteristic of disturbance and vegetation.

对研究区TM影像进行主成分分析，剥离堆垫区、采煤运煤区和边坡区等反映矿区扰动特征的信息主要由第1主成分反映，植被低覆盖区和高覆盖区等反映矿区植被覆盖特征的信息主要由第2主成分反映，两个主成分的贡献率达到97.16％，并利用扰动特征和植被特征对研究区地物进行了分类。

The results showed that the spatial characteristic of spectra on the opencast coal mine varied with land type area distribution, and landscape pattern. The first and second principal components of the TM images had obvious spatial characteristic, i.e., the first principal component highlighted the characters of excavation and transportation area, slope area, and cumuli and stripping area, while the second principal component highlighted the information of higher and lower vegetation-cover area.

结果表明：由于露天矿区土地扰动下土地类型、面积分布及其景观格局的不同，其遥感影像的光谱空间特征也不相同，但前2个主成分构成的空间特征结构十分明显，第1主成分主要表示采煤运煤区、边坡区以及剥离堆垫区的特征信息，第2主成分主要表示植被高覆盖区及植被低覆盖区的特征信息。

FBG sensing technology and its recent progress in applications isintroduced systematically;the coupled-mode theory and the sensing principleof FBG are expatiated and the Bragg formula and reflectivity formula arededuced;the work principle, variety and essential characteristic of PZT areexpatiated in detail, and the configuration of PZT parts of an apparatus issummarized. The mechanism of piezoelectric electrostriction is analyzeddeeply, and the normalized control model is introduced aiming at analyzinghysteresis characteristic, and an electrical polarization intensity control methodbased on the aforementioned model which can effectively reduce the hysteresischaracteristic is discussed.

论文系统地介绍了光纤光栅传感技术及其应用的研究进展状况；详细地阐述了光纤光栅的耦合模理论及光纤布喇格光栅的传感机理；推导出了光纤布喇格光栅的布喇格公式和反射率公式；详细地阐述了压电陶瓷的工作原理、种类和基本特性，总结了压电陶瓷器件的结构形式，深入地分析研究了压电陶瓷逆压电效应及电致伸缩机理，并针对其迟滞特性给出了压电陶瓷归一化控制模型，在此模型基础上采用电极化强度控制方法有效地降低了压电陶瓷的迟滞特性。

In this paper, several traditional models for computing are introduced at first. Conferring probability theory, the load boundary condition of that collector is analyzed, the characteristic values of Tubesheet in different design reference periods are computed. Based on homogenization method, after lots of numerical experiments, the mechanical characteristic of Tubesheet controlled different structure parameters is studied, and an empiristic formulas that could simplify Tubesheet to stiffen plate is gained. Then, G-M method is employed and Tubesheet is simplified to a normal plate.

本文在总结传统计算方法的基础上，参考概率设计方法，分析了大型袋式除尘器的荷载边界条件，计算了不同设计基准期下的花板可变荷载标准值，结合均匀化方法，通过大量数值实验，得出了不同参数对花板受力性能的影响规律，并拟合了将花板简化为加劲板的经验公式，再参考正交异性板法，最终推导了花板简化为均匀平板的经验公式。

Negative Ce anomaly is one of diagnostic criteria of geotectonic setting of silicalite. Silicalite in Golug, Xinrenlang and Lhazê in the Gangdisê tectonic belt is characterized by unclear negative Ce anomaly characteristic of epicontinental or neritic sediment, while silicalite in Gyüzê La-Jiaqing area is characterized by weak negative Ce anomaly characteristic of sediment in transitional belt between oceanic basin and continental margin.

硅质岩Ce异常特征是构造背景判别的最有效的手段之一，冈底斯构造带谷露、新认朗与拉孜地区的硅质岩Ce负异常不明显，属大陆边缘或浅海环境，而九子拉家青地区的硅质岩具弱的Ce负异常，属大洋盆地与大陆边缘之间的过渡环境中的沉积。

In terms of agriculture, handicraft industry, livestock farming and foresty, analysis different-time characteristic and regional characteristic of commodity production of three-district in Shaanxi(northern-Shaanxi, Guanzhong and southern-Shaanxi)during Ming-Qing dynasty; Under different environment, different

强调不同的自然环境形成各不相同的产业分工，进而形成各地区不同类型的商品生产，是形成各地不同类型商品输出的前提与基础。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。