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METHODS: 15 g/L silk fibroin solution was made by degumming, salvation and dialysis. Chitosan was dissolved in 2% acetic acid solution to prepare 25 g/L chitosan-acetic acid solution. Two solutions were mixed to prepare six silk fibroin/chitosan solutions, and mass ratio was 10: 0, 5: 5, 4: 6, 3: 7, 2: 8, 0: 10. These solutions were separately sucked in a 24-well plate. Following exhausting gas vacuole at 4 ℃, precooling was performed at -20 ℃ for 12 hours, followed by cryodesiccate for 30 hours.

通过脱胶、溶解、透析这3个主要步骤制成质量浓度为15 g/L的丝素溶液，将壳聚糖溶解在2%的醋酸溶液中制成25 g/L的壳聚糖-乙酸溶液，然后将两者混合，配制成丝素/壳聚糖质量比分别为10∶0，5∶5，4∶6，3∶7，2∶8，0∶10的6种溶液，分别吸入24孔板中，4 ℃排出气泡后，-20 ℃预冷冻12 h，再冷冻干燥30 h。

The aim of this thesis is to study the existence of positive solutions of boundary value problem for nonlinear second order ordinary differential equations , mainly using the fixed point index theory in a cone. The conditions of the existence of positive solutions of the boundary value problem are given in the thesis. We improve the result of the existence of positive solutions either in the sublinear or in the superlinear conditons.

本文主要利用锥上不动点指数定理，解决非线性二阶常微分方程边值问题的正解的存在性问题，并给出了边值问题正解存在的条件，改进了次线性和超线性条件下正解存在的结论。

We then add boundaries delineated forward/backward facing reflected shock, Mechanical equilibrium, M2=1 and reflected shock strong/weak separating conditions on the (M0,q1) map of shih(2004). This is followed by systematically investigating multiply possible three shock theoretical solutions of steady Mach reflections in perfect triatomic gases. Pressure-deflection shock polar solutions are used to help illustrate different solution behaviors of these theoretical three-shock solutions. M0 is flow Mach no. upstream of incident shock, M1 is flow Mach no. downstream of incident shock, M2 is flow Mach no. downstream of reflected shock,q1 is flow deflection downstream of incident shock.

随后本文由石(2004)论文中加入前后分界、机械平衡、M2=1及强弱分界条件，然后有系统地探讨三原子分子理想气体(r=1.2857 )稳态马赫反射参震波理论多重解之交点及其对应之压力-转折角震波极图解，并建构出此三原子分子理想气体稳态马赫反射流场三震波十阶多项式理论解於(Mo，q1)平面上之解域图，其中M0为入射震波上游流场马赫数，M1为入射震波下游流场马赫数，M2为入射震波下游流场马赫数，q1为入射震波下游流场转折角。

When the modulus m approaches to 1 or 0, then the hyperbolic function solutions (including the solitary wave solutions) and trigonometrical function solutions are also given.

在极限情形，我们也得到所考虑方程的孤立波解和三角函数解。

By employing the theory of bifurcations of dynamical systems, the existence of solitary travelling wave solutions, uncountably infinite many smooth periodic wave solutions and non-smooth periodic travelling wave solutions, is obtained.

通过运用动力系统分支理论，获得了系统在各种参数条件下可能存在的孤立行波解、不可数无穷多光滑周期行波解和不光滑行波解，并就不同参数条件，给出了上述解存在的充分条件。

Stability of solutions of the cavitated bifurcation equation is discussed in each region by using the minimal potential principle, and the catastrophic phenomenon of cavity formation is explained. 2. In Chapter 4, problems of cavitated bifurcation for two spheres, which are composed of two different kinds of imperfect compressible hyper-elastic materials, were examined, respectively. The parametric analytic solutions of the radially deformed function and the parametric cavitated bifurcation solutions are all obtained for the two spheres.

利用奇点理论给出了空穴分岔方程在分岔点的等价正规形，将缺陷参数分成若干个区域，证明了当缺陷参数属于某些区域时，具有缺陷的超弹性材料球体发生空穴分岔时的临界载荷比无缺陷的小；并利用最小势能原理讨论了空穴分岔方程的解在各个参数区域内的稳定性，解释了空穴生成的突变现象。

Furthermore, an integrative anti- interference solutions are provided, which are consisted of both hardware ones and software ones. Solutions in hardware include a multi-layer shielding structure and proper groundings of the whole system. Solutions in software include digital data pretreatment based on wavelet, FIR digital filter and algorithm of improved high order sine fit method. They do resolve the corresponding problems in on-site monitoring caused by strong electromagnetic field, noise in signals and harmonic and the fluctuation of power system frequency.

同时建立了以屏蔽结构和接地措施为主体的硬件抗干扰和以小波变换预处理、FIR数字滤波器、改进的tg δ高阶正弦拟合算法为主体的软件抗干扰相结合的综合抗干扰措施，有效解决了现场强电磁场干扰、信号中噪声干扰、谐波干扰以及系统频率波动等问题。

Furthermore, an integrative anti- interference solutions are provided, which are consisted of both hardware ones and software ones. Solutions in hardware include a multi-layer shielding structure and proper groundings o f the whole system. Solutions in software include digital data pretreatment based on wavelet, FIR digital filter and algorithm of improved high order sine fit method. They do resolve the corresponding problems in on-site monitoring caused by strong electromagnetic field, noise in signals and harmonic and the fluctuation of power system frequency.

同时建立了以屏蔽结构和接地措施为主体的硬件抗干扰和以小波变换预处理、FIR数字滤波器、改进的tg δ高阶正弦拟合算法为主体的软件抗干扰相结合的综合抗干扰措施，有效解决了现场强电磁场干扰、信号中噪声干扰、谐波干扰以及系统频率波动等问题。

First this paper presents two-way seepage consolidation solutions of sand-wall ground, based on the assumption of equal strain boundary conditions. Second, comparisons of the solutions and Barons axisymmetric consolidation theoretical solutions are conducted to find an equivalent and matching method for plane strain analyses and axisymmetric analyses of sand-drained ground.

为了能用平面应变有限元来分析砂井地基，本文首先推导出了砂墙地基(砂井地基在平面应变条件下的表现形式)双向渗流等应变固结理论解，然后将此解与巴隆轴对称固结理论解相比较，得到砂井地基平面应变情况和轴对称情况之间的等效公式。

This paper has done a log of thorough researches, and put forward not a few new algorithms and implementations. On wafer metrology segmentation, this paper firstly examines the manually solutions shortage, and then points out the automation solutions to auto collect data. Then give the solutions including MES track in tract out, select recipe, upload metrology data.

然后给出自动化解决方案，包括更新MES系统进站出站、选择量测工艺、自动量测并收集数据上传，并基于这个方案实现量测设备全自动化选择晶元并进行量测数据可信度分析。

The big eared hedgehog, the little owl, the sand gecko, the three-toed jerboa, and every show needs a villain - saw-scale - the viper!

大耳刺猬，小猫头鹰，沙壁虎，三趾跳鼠，每场戏都需要反派角色：蝰蛇。

Plasmodiophora brassicae ; resting spores ; density gradient centrifugation of sucrose ; ultrasonic disruption

根肿；休眠孢子；蔗糖密度梯度离心；超声波破碎