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- Fe-C nano _ particles, which is produced by AC arc method in Ar gas atmosphere at pressure of 18 kPa, is studied by transmission electron microscope(TEM) observation and selected area electron diffraction(SAED) analysis. 利用透射电镜观察和选区电子衍射分析研究了在18kPa的Ar气氛中通过交流电弧法制备的Fe -C纳米微粒。
- A method of measuring the running error of telescope focusing is put for ward by using height differences of points in substituting a straight line for the traditional circular arc method. 本文提出一种用直线法确定各点高差代替传统的圆弧法确定各点高差来测定水准仪望远镜调焦运行差,将这种新的方法称作直线法。
- Doppler positioning by the short arc method; 多普勒短弧法定位;
- Rectangles and polygons are composed of multiple lines, and ellipses are composed of multiple arcs. 长方形和多边形是由若干条线条组成的，并且椭圆是由若干条圆弧组成。
- TIG Touch Striking Arc Method with Small Current 钨极氩弧焊的小电流接触引弧方法
- high streaming velocity arc method 高流速弧光法
- Doppler point positioning by the short arc method 多普勒定位
- Ion Plating Equipment with Multiple ARC Sources and Process for Cutting Tool 多弧刀具离子镀膜工艺及设备
- Joan of Arc was one of France's greatest daughters. 圣女贞德是法国最伟大的女性之一。
- test method of weatherability of geotextiles:xenon--arc method 土工布耐气候试验 : 氙弧
- Joan of Arc was burnt (alive) at the stake. 圣女贞德在火刑柱上被(活活)烧死。
- Joan of Arc was made a saint in 1920. 1920年，贞德被追封为圣女。
- He is the person with multiple injuries. 他就是那个多处受伤的人。
- The sun appears to move in an arc across the sky. 太阳看起来在天空以弧线运行。
- Friendship multiple joy and divide grieve. 朋友之间，欢乐同享，苦难同当。
- We use the hall for multiple purposes. 这个大厅我们派多种用途。
- Keywords carbon arc method;Krtschmer's Buckyball;inert gases;nonpattern carbon; 碳弧法;富氏烯碳笼;惰性气氛;无定形碳;
- Joan of Arc led a large army to raise the siege of Orleans in1429. 贞德在1429年率大军解除了英军对奥尔良的围攻。
- A multiple crash can often be seen on that motorway. 那条公路上的联环撞车事故很多。
- The stick of carbon is often used in an electric arc lamp. 碳精棒常用于电弧灯。
