【摘 要】
:
博雅之物铭心之品砚是我国传统的书写工具,与笔、墨、纸合称为文房四宝。砚的产生和发展对人类文明的进步起着重要作用,但随着时代的变迁,砚已逐步退出日常书写用具的领域,从
论文部分内容阅读
博雅之物铭心之品砚是我国传统的书写工具,与笔、墨、纸合称为文房四宝。砚的产生和发展对人类文明的进步起着重要作用,但随着时代的变迁,砚已逐步退出日常书写用具的领域,从单纯的书写工具,博雅之物铭心之品砚是我国传统的书写工具,与笔、
Boya stuff Mingxin products is our traditional writing instruments, and pen, ink, paper collectively known as the four treasures. The emergence and development of the inkstone played an important role in the progress of human civilization. However, with the changing times, inkstone has gradually withdrawn from the field of daily writing instruments. From a simple writing instrument, the inkstone of the liberal arts is the traditional writing of our country Tools, with pen,
其他文献
该机采用脉宽调制(PWM)开关电源.输入工作电压范围为AC 110~220 V/50 Hz,输出的稳定直流电压有:5 V、C 5 V、C 11 V、-28 V、VACI、VAC2。市电经抗干扰环形滤波器滤除进线的
The aim of this paper is to explore the effective capacity building program for community based renewable energy project development in Japan.After enforcem
关上门窗,把空调打到30摄氏度,这是很多办公室族甚至家庭生活的环境。然而这也给很多人带来了烦恼。在事业单位做行政工作的叶小姐最近发现自己脸上、手上出现白哗哗的脱皮现
西红柿黄花曲叶病属病毒性病害,病菌存留在土壤、病残体、苗床、设施、种子、空气中,条件适应即可感病传播,还可以通过昆虫(如烟粉虱、白粉虱)传播,对西红柿生长危害很大。防
Dynamic and static frequency of the rotor about diameter of 1.4m small horizontal axis wind turbine was tested in different conditions by using PULSE16.1 st
介绍了利用可转位刀片在数控车床上加工Lebus折线绳槽的方法。
The method of machining Lebus broken line rope groove on CNC lathe by using indexable inserts is intr
澳洲坚果又叫昆士兰栗、夏威夷果,原产于澳大利亚的昆士兰州。虽然比较耐干旱,但它对种植环境的整体要求很高。采访(技术员聂大顺):“它属于山龙眼科,叶面有腊层;所以比较耐
The plasma shielding effect is one of the major weaknesses of laser-induced breakdown spectroscopy(LIBS)as it causes non-linearity in signal strength.Although L
治疗神经免疫性疾病,神经科学家有许多不同的药物选择,从糖皮质激素到免疫球蛋白静脉注射再到更具体的细胞疗法,后者经常用于肿瘤学的治疗.在某些疾病,血浆置换治疗作为一方
The wind energy has been growing rapidly in the past decade and nowadays many wind turbines are installed in the world,including seismic-active regions,for