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And by using the initial conditions as well as the end conditions, the dynamic problem is then transferred to a second kind Volterra integral equation about the function of the axial strain with respect to time which can also be solved successfully by the interpolation method. For piezoelectric and pyroelectric hollow cylinders, by following the solving procedure for elastic hollow cylinder and by using the electric boundary conditions, the dynamic problems are transferred to two Volterra integral equations about two functions of time, one is axial strain and the other is related to electric displacement, which can also be solved efficiently and quickly by employing interpolation method. The elastodynamic solutions of hollow spheres, which are made of elastic, piezoelectric and pyroelectric materials, respectively, for spherically symmetric problems are also obtained.

对于弹性空心圆柱,通过引入一特定函数将非齐次边界条件化为齐次边界条件,然后利用正交展开技术,导出关于时间函数的方程,再结合初始条件和端部边界条件,将原问题转化为关于一个时间函数的第二类Volterra积分方程,运用插值法可给出此积分方程的解;对于压电和热释电空心圆柱,利用求解弹性空心圆柱相似的方法,再结合电学边界条件,原问题转化为关于两个时间函数(轴向应变和与电位移有关的函数)的第二类Volterra积分方程组,同样可用插值法来构造相应的递推公式高效地求解此积分方程组。

The warehouseman shall not be liable for loss, damage or delay caused by Acts of God, war, civil or military authority, insurrection, riot, strikes, labor disputes, fire, sprinkler leakage, flood, wind, storm, vermin, change of temperature, variations in weights, or for loss in weight by reason of defective or insufficient containers, unless such loss, damage or delay is caused by the failure of the warehouseman to exercise the ordinary care and diligence required by law.

因不可抗力的损害、战争、政府或军队命令、起义、骚乱,罢工、劳资纠纷、火灾、喷水设备渗漏、水灾、大风、风暴、虫害、温度变化、重量变化所造成的灭失、损失、或延误,或因容器的瑕疵或短缺造成的重量损失,仓库业者概不负责,除非此种灭失、损失或延误是因仓库业者没有行使法律所规定的通常的注意而造成的。

The warehouseman shall not be liable for loss, damage, or delay caused by Acts of God, war, civil or military authority, insurrection, riot, strikes, labor disputes, fire, sprinkler leakage, flood, wind, storm, vermin, change of temperature, variations in weights, or for loss in weight by reasonof defective or insufficient containers, unless such loss, damage or delay is caused by the failure of the warehouseman to exercise the ordinary care and diligence required by law.

因不可抗力的损害、战争、政府或军队命令、起义、骚乱、罢工、劳资纠纷、火灾、喷水设备渗漏、水灾、大风、风暴、虫害、温度变化、重量变化所造成的灭失、损失、或延误,或因容器的瑕疵或短缺造成的重量损失,仓库业者概不负责,除非此种灭失、损失或延误是因仓库业者没有行使法律所规定的通常的注意而造成的。

And whoso shall swear by the temple, sweareth by it, and by him that dwelleth therein.

23:21 人指着殿起誓,就是指着殿和住在殿里的起誓。

The results were as follows:(1) The method that HA was treated by ethanol of 2.5x volume for 20 hours turned out to be the most economic and efficient.(2) Zymolysis combined with deproteinization by chloroform was better than deproteinization by chloroform for several times in yield and purity of HA.(3) HA with purity of 71.1 60/o was obtained by the fermentation with cetylpyridinium chloride.

本文对发酵液中HA的分离提取方法进行对比研究,结果表明采用2.5倍体积的乙醇对HA沉淀,作用时间20小时最为经济合理;采用酶解结合氯仿除蛋白较之氯仿除蛋白,HA的产量和纯度均有所提高;经氯代十六烷基吡啶分级分离后,可得纯度为71.16%的HA产品。

Using the one-atom theory, the electronic structures of Pt-electrocatalyst with fcc structure was determined as follows:(5dn)6.48 (5dc)2.02 (6sc)1.48(6sf)0.02. Compared to the result obtained by the first-principle method such as FP-LMTO, CASTEP, their results are in good agreement with each other. Comparing the calculations of physical properties such as lattice constants, cohesive energy and bulk modulus by OA method and first-principle method, the result obtained by OA method is in excellent agreement with experimental value, but the result obtained by first-principle method is not accordable. The relationship between the electronic structures and catalytic performance was explained qualitatively by OA method and first principle method according to its electronic structures. Because the d-orbital vacancies increases and static density is high around Fermi energy band, Pt has good catalytic performance.

摘 要:依据纯金属单原子理论确定面心立方结构电催化剂Pt的电子结构为(5dn)6.48(5dc)2.02-(6sc)1.48(6sf)0.02,与采用第一原理的FP-LMTO和CASTEP等方法所计算的电子结构相比较,其结果非常相近;由OA理论和第一原理方法计算的晶格常数、结合能、体弹性模量等物理参数进行比较,OA理论计算的结果与实验值较符合,而第一原理方法计算的结果与实验值相差较大;在此基础上用OA理论和第一原理方法研究了Pt的电子结构与催化性能的关系,由于d带空穴增多和费米能级附近态密度较高,导致金属Pt的催化性能很好。

Titanium plate first was cleaned by glow Discharge using argon plasma to eliminate surface contaminants and to produce a consistent and reproducible titanium oxide surface layer. Then an intermediary allylamine deposition was covalently linked to the oxide layer by glow discharge, followed by the covalent binding of albumin to the free terminal NH2 groups using glutaraldehyde as a coupling agent. Surface morphologies were observed by scanning electron microscopy and atomic force microscopy.

样本以扫描式电子显微镜及原子力显微镜﹙AFM﹚观察表面形态变化,以能量分散光谱仪进行表面元素变化之定性分析,使用X光光电子能谱仪检测表面化学键结与元素变化作定性分析与半定量分析,并以胶样金免疫标示法配合使用场发射枪扫描式电子显微镜(Field Emission Scanning Electron Microscope, FEG SEM),观察钛金属表面白蛋白连接情形作定性分析与定量分析。

Among the early Fathers the usage was prevalent of designating as dogmas the doctrines and moral precepts taught or promulgated by the Saviour or by the Apostles; and a distinction was sometimes made between Divine, Apostolical, and ecclesiastical dogmas, according as a doctrine was conceived as having been taught by Christ, by the Apostles, or as having been delivered to the faithful by the Church.

其中早期父亲的用法是普遍存在的指定作为教条的理论和道德戒律的教导或颁布的救世主,或由使徒;区分有时之间神圣的, apostolical ,和宗教教条,据作为一个学说被设想为经过教导基督,由使徒,或视为已交付给忠实由教会。

The producing time of sexuparae aphids by the cotton specialized aphids was earlier than that by the cucumber specialized aphids, whereas the apterous aphids produced by cucumber specialized aphids were significantly more than those by cotton specialized aphids.

结果表明:两寄主专化型棉蚜在产生有性世代能力上存在显著差异,表现为棉花型棉蚜在诱导后代中产生有翅蚜、雄性母和雌性母的比率显著高于瓜型棉蚜,并且雌、雄性母产生的时间明显早于瓜型棉蚜。

To get to bantayan you can take a 30 mins plane ride from cebu city mactan airport via SEA Air or you can go by land by taking a bus at north cebu bus terminal traveling by land may take 2 to 3 hours to hagnaya and then take a ferry boat from hagnaya to sta fe where most of the beautiful beach of bantayan is located.

要到班塔延你可以从宿务市麦丹机场30分钟车程飞机通过海空,也可以由陆路坐公共汽车到北宿务经陆路前往码头巴士可能需要2至3小时hagnaya然后从hagnaya一渡船到铁站的班塔延那里的大部分位于美丽的海滩。

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推荐网络例句

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。

When I was in school, the rabbi explained everythingin the Bible two different ways.

当我上学的时候,老师解释《圣经》用两种不同的方法。