固体

As the foundation of ultrasonic testing of composite materials, this thesis is intended to explore in detail a number of features of wave propagation in anisotropic plates, and the following essential problems will be considered:(1) Propagation of plane bulk waves in homogeneous and orthotropic anisotropic media;(2) Lamb wave propagation in multilayered anisotropic plates;(3) Influence of isotropic solid or liquid loading on Lamb wave propagation in anisotropic solid media;(4) Influence of interface layers on Lamb wave propagation in layered anisotropic composite laminates;(5) Dispersion characteristic analysis of attenuation Lamb wave while existing an thin viscous layer which is used for simulating the poor curing in adhesively bonded joints.

作为复合材料超声检测的基础，本文研究了如下国际前沿性的课题：（1）平面体波在正交均匀各向异性媒质中的传播；（2）多层各向异性媒质中Lamb波的传播；（3）各向同性固体或液体负载对各向异性固体媒质中Lamb波传播的影响；（4）界面层对层状各向异性复合媒质中Lamb波传播的影响；（5）胶粘剂未固化而呈现粘弹性时粘接结构中衰减Lamb波的频散特性分析。

Boron is a kind of fuel obstinately searched for high-performance air-breathing solid rocket/ramjet engine and ramjet engine.

硼是高性能吸气式的固体火箭冲压发动机和冲压发动机瞩目追求的燃料，80年代常规固体火箭动力方面对硼燃料也表现了浓厚的兴趣。

Sodium allylate was prepared from solid sodium hydroxide and allyl alcohol under mild conditions, and then the solid sodium allylate was reacted with epichlorohydrin in anhydrous system to produce allyl glycidyl ether in high yield and purity.

以固体NaOH和烯丙醇为原料在温和条件下制得烯丙醇钠，再以固体烯丙醇钠为原料，与环氧氯丙烷在无水条件下高产率地得到高纯度的烯丙基缩水甘油醚。

Quinclorac and allyl alcohol as raw materials, 3, 7-dichloro-8-quinolinoxylic acid allyl ester was obtained when catalyst is oil of vitriol or super solid acid SO〓/TiO〓. Using both catalysts, organic synthesis technology process was made respectively, and the ester was analyzed and characterized by IR spectrum and NMR spectrum Through experiment, both preparing conditions were optimized and discussed respectively.

以TiO〓为载体负载SO〓制备出固体超强酸催化剂，确定了SO〓/TiO〓催化剂制备的技术路线，以丙酸正丁酯为探针实验，考察了新型固体酸催化剂SO〓/TiO〓的催化活性及制备条件对催化活性的影响，对影响其催化效果的工艺条件进行了优化，并探讨了影响的规律性。

KPF can be dispersed amorphously with the KPF/EC ratio 1∶2 and 1∶3. The release profiles of the drug can be fitted the Higuchi model. By increasing the amount and viscosity of EC, and increasing the particle size of the solid dispersions from 200 600 μm, the release rate can ...

体外释放度试验结果表明，药物体外释药行为均符合Higuchi 方程；缓释效果与EC 量和固体分散体的粒径有主要关系，药物释放速率随EC 用量和粘度增加而减小；固体分散体粒径越小药物体外释放速率越快；在pH 6 。8 介质中的体外释放速率高于在pH1 。2 介质。

The transmissivity of a super hemisphere aplanatic solid immersion lens is better than that of a hemisphere solid immersion lens.

超半球齐明固体浸没透镜的透过率一般优于半球同心固体浸没透镜的透过率。

Asphaltum is a brownish-black solid or semisolid mixture of bitumens obtained from native deposits or as a petroleum byproduct, used in paving, roofing, and waterproofing.

沥青，是一种黑褐色固体或半固体沥青混合物，采自天然矿藏或是石油的副产品，用于铺路，封屋顶和防水。

These are commonly known as bouillon cubes in the US or oxo cubes , after a common brand of stock cube sold in Britain or cooking base .

在美国常见的有固体牛肉汤或OXO汤料，另一个常见的固体汤料品牌在英国出售，叫做烹调之源。

More than Nicolaus Steno's famous Prodromus (1669), Burnet can be said to have set the agenda for the next decades: how to reconstruct the earth's past and how to combine natural evidence with human records.

除了尼古劳斯·斯泰诺的名著《固体中包含固体论稿》（1669），伯内特可以说确定了随后几十年的任务：怎样重建地史和怎样将自然表征与人的记录结合起来。

There are mainly two statistic methods;one is that the heat capacity of solid is statistically calculated when the solid atomic system is in the quasi-independent particle system,this kind of methods is known as Einstein theory.

一种统计方法是：将固体原子系统看作近独立粒子系统，统计运算固体热容随温度的变化，称为爱因斯坦理论；另一种方法则是：应用系综统计理论，统计运算固体热容随温度的变化情况，称为德拜理论。

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。