the main content of this paper is vickers hardness measurement of welded joint on ships.

1、

the full-automatic controlling and measuring software for vickers hardness base

全自动维氏硬度基准的控制与测量软件

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2、

unification of hardness scale connected with digitization of vickers hardness test

硬度标度的统一与维氏硬度试验的数字化

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3、

the mechanical properties were measured through vickers hardness tester.

力学性能测试，采用努氏硬度计进行检测。

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4、

conversion of rockwell to vickers hardness of hardened high speed steel

淬硬高速钢的洛氏和维氏硬度间的换算值

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5、

uncertainty evaluation of metal material vickers hardness measurement

金属材料维氏硬度测量不确定度的评定

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6、

susan algorithm based automatically measurement of the vickers hardness

基于SUSAN算法的维氏硬度自动测量

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7、

the penetration process is similar to vickers hardness test.

弹体的侵彻过程与压入法测硬度相似。

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8、

automatically measurement of the vickers hardness test using wavelet

基于小波分析的维氏硬度自动测试

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9、

the development of automatic primary standard for vickers hardness

全自动维氏硬度基准的研制

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10、

preliminary study on measurement uncertainty of vickers hardness test

维氏硬度检测中不确定度初探

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11、

prediction of ceramics vickers hardness based on bp neural network

基于反向神经网络的陶瓷材料Vickers硬度预测

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12、

vickers hardness measurement by using digital image wavelet multi-resolution analysis

应用数字图像小波多分辨率理论测试维氏硬度

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13、

measurement and analysis on vickers hardness of engineering ceramic materials

工程陶瓷材料维氏硬度测定及分析

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14、

test method for vickers hardness of high performance ceramics

GB/T16534-1996工程陶瓷维氏硬度试验方法

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15、

the development of api oil country tubular goods thread and lubricant of thread

API石油专用管材螺纹和螺纹脂的发展

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16、

glossary of oil field drilling and production equipment and oil country tubular goods terminology

石油钻采设备及专用管材词汇

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17、

earlier this month, commerce announced preliminary anti-dumping duties on the same 'oil country tubular goods. '

本月早些时候，美国商务部宣布了有关对石油工业用管材征收反倾销关税的初步裁决。

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18、

on september 9, the u. s. department of commerce decided to levy a tariff on chinese oil country tubular goods.

9月9日，美国商务部决定对原产于中国石油管材国家关税。

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19、

based on the previous achievements in arc modeling, this paper describes an ideal long arc volt-ampere characteristic and its equivalent circuit and presents a new method for locating arcing faults on hv long transmission lines with single-terminal voltage and current signals.

文中借鉴其他学者对电弧的研究成果，建立了电弧的理想电压&电流转移特性曲线和对应的电弧等效模型，提出了一种耦合双回高压输电线路故障测距单端信息时域的新方法。

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20、

this paper illustrates the power-transferring diagram of any element in the t-type nonlinear resistance network, using the volt-ampere characteristic of nonlinear resistance.

本文论述了利用非线性电阻的伏安特性，作出T型非线性电阻网络中任一元件的功率转移图的图解法。

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