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Nano-grained (28 nm) samples and coarse-grained (257 nm) reference samples of an Ni80P20 (atomic percentage) alloy have......
The unperturbed dimension of polymer is measured by a gel permeation chromatography (GPC)coupling with viscometer. The ......
The structure and electric properties of the mixed conductors of Li_(1+x)V_3O_8(x=0.1) containing dispersed second-phas......
Based on the observation of temperature variation of both domain structure and magnetic con-trast.the thermal demagneti......
The Al-Ni-La-Ce-Pr-Nd amorphous ribbon with a super-thickness of 140 mm has been produced by the melt spinning technique......
The relationship between the hydrogen content and the microhardness and the charging period, the effect of hydrogen on ......
Constraints on rupture speed of the 2001 MS 8.1 West Kunlun Mountain Pass earthquake by co-seismic s
With co-seismic surface rupture slip displacements provided by the field observation for the 2001 MS8.1 West Kunlun Moun......
A general classification for hydrostatic bulge forming processes used for the production of hollow parts from tubular b......
In a storage ring,asymmetry of theβfunction with momentum deviation is the main reason for asymmetry of the dynamic ape......
The project of small angle neutron scattering spectrometer (SANS) belongs to “building up the center for neutron scatte......
基于阵列电极技术使用自制的环路系统并采用极化、计算流体力学(CFD)模拟和表面分析技术研究环路系统中弯管段流速对AZ91D镁合金腐......
It is proved that if G is a (+1)-colorable graph, so are the graphs G×Pn and C×Cn, where Pn and Cn are respectively th......
论述了隧道衬砌-围岩系统动力分析的理论及计算方法,采用激振函数模拟列车竖向移动荷载,建立岩溶段连拱隧道的三维有限差分计算模......
为了满足铁路发展对高平直度钢轨的需求,攀钢采用了复合矫直技术.研究及实际应用表明,复合矫直后钢轨端部及中央平直度合格率提高,......
针对非线性、易受扰动的欠驱动船舶航迹控制系统，提出一种非线性鲁棒控制算法。该算法运用滑模方法．并结合增量反馈控制，不用对不确定......
Hough变换是一种很有效的检测直线段的方法,然而传统的Hough变换法检测直线存在运算量大、断线错连等缺陷。本文通过分析Hough变换......
试验比较了不同形状膜组件的膜生物反应器（MBR）处理生活污水时的膜污染特性和能耗．结果表明，螺旋型膜组件的MBR膜通量和累积膜通量均高......
针对管棒材在等曲率矫直时矫直力无精确数学模型仅靠人工经验或反复试矫确定的实际问题,基于力学等效原则建立了等曲率矫直最大矫......
文中采用模型预测控制的方法,研究有输入约束的欠驱动自主水下航行器（AUV）的直线路径跟踪控制问题.前人多采用简化的线性系统模型,文......
文档图像版面十分复杂,建立一个较为通用的文档图像倾斜校正算法是很困难的。因此提出了基于版面的文档图像倾斜自动校正算法,并且......
介绍了扬州石油化工厂20 kt/a的直馏汽油非临氢改质的工业应用情况,运行结果表明,该工艺具有改质汽油辛烷值高,烯烃含量低,干气产......
在经典频域三点法的基础上,提出了一种新的精确频域三点法直线误差分离技术,可以分离出更为精确的直线形状误差和直行误差运动.该......
应用多个激光点结构光传感器对大尺寸工件横断面进行扫描，形成多个光切平面；拟合各个光切面上离散点为空间椭圆曲线，求出光切面中心的......
某钢铁厂生产的40Cr磨光材在退火矫直车皮后的成品检查时发现，部分磨光材端面存在严重向内凹陷并伴有心部孔洞的缺陷。采用低倍检验......
Generation of Superpositions of Coherent Interaction States Along a Straight Line via Raman Interact
...
根据Hamilton变分原理以及Euler-Bernoulli梁理论,推导出两端简支输液直管的自激振动微分方程,与传统的Housner方程相比,该方程增......
用画法几何图解空间几何问题具有求解简单、直观性好的优点,解析法具有计算精确度高、应用范围广的特点.但二者均有不足.采用图解......
分析了螺旋埋弧焊管精焊机对预焊生产钢管管坯在坡口控制、直度控制、预焊和预焊精整控制、预焊缝控制方面的特殊要求,螺旋埋弧焊......
The behavior of chloride adsorbed on Ag(100) electrode has been studied using chronoamperometric technique, and the stru......
