研究用悬链线方程式的数学模型对电力架空光(电)缆进行数值拟合,推导在工程测最平面坐标系下使用改进的迭代间接平差拟合法对悬链线方程进行最小二乘求解方法,并研究数据的粗差
The fcc structural CoCr2FeNiTi0.5 high-entropy alloy (HEA) composite coating with TiN particles rein forced was acquired by laser cladding on the commercial 904
The amalgamation of multi-subjects often elicits novel materials,new concepts and unexpected applications.Recently,Ge2Sb2Te5,as the most established phasechange
露天泡温泉,可以说是旅游的一大乐事."那些惯于起早而最先去沐浴的人,他们或两人并排或单独站在大树下.沿着那条从昂华尔的山隘流出来的溪河慢慢散步-在这个风景幽绝的小山谷
Mechanical behavior of Inconel 625 alloy manufactured by selective laser melting (SLM) was experimentally studied.Tensile tests were performed at various temper
国宝为何成其为国宝?稀世之珍,并不是唯一的理由.真正的国宝,都是折腾出来的.一粒普普通通的种子,长出一棵稀松平常的苗子,淹没在莽莽丛林,一任光阴流转,寒来暑往,春去秋来,
藏秘 五瓣花 本刊编辑《可以喝的天价古董》-在此之前.我从未听闻过“茶膏”这种东西.采访前也仅仅知道.它是皇宫的御品而已.它究竟为何如此珍贵?
借助基于道路平面曲线元通用电算数学模型,结合当今主流Pocket PC,利用eMbeddedVisual C++编程工具,实现了Windows CE.NET 4.2系统下,Pocket PC与电子全站仪设备之间的串口通讯和道
The numerical simulation model of single roller melt spinning for rapid quenching process of NdFeB alloy was built,and the vacuum chamber,cooling roller and sam
记者归来.我问她,这次又有什么新的见识,她告诉我,她曾经在格尔术街头碰到过一个满脸沧桑、衣着褴褛却念念有词的老者,他逢人就不停地述说不停地述说,带着平静但坚毅的表情。刚开始