spot method

The method features easy operation and good location accuracy that is not affected by the resistance of breakdown spot, the resistance of the test wire and contact resistance.

该方法简便易行，其定位结果的精度不受击穿点电阻和测试用连接导线的电阻及其接触电阻的影响。

The Results of Using Simple Backcross Breeding Method on Resistant to Frogeye Leaf Spot of Soybean

简单回交方法在大豆抗灰斑病育种上应用效果分析

Spot evaluation test, which was carried out by the method of corrosion test ring, results show: composite inhibitor is consistent to saturated saltwater drilling fluids, its inhibition efficiency is about 90%.

运用腐蚀试验环法进行现场评价试验，结果表明：该复合缓蚀剂和饱和盐水钻井液配伍性良好，现场缓蚀率达到90%左右，效果明显。

Resistance spot welding in aluminum alloy was tested by ultrasonic immersion method with focusing probe.

摘要介绍采用水浸超声聚焦回波检测铝合金电阻点焊焊核直径.

In the testing on the spot, with the method of undamaged testing for priority and drilling core for supplement, the author gets the concrete intensity of main components.

现场检测中，采用了以非破损检测法为主，以钻芯法为辅的测试方案，确定了主要构件的混凝土强度。

A suitable cooling method should not only decrease cell temperature, balance the non-uniformity of light spot, but also easy to mount, has a low power consumption, and is reliable.

合理的冷却方法应该不仅可以降低电池温度，平衡光斑不均匀性，还有具有安装方便，功耗低，可靠性高等特性。

This paper introduces the design method of a new capacitor stored energy spot welding machine.

介绍了一种新型电容储能焊机的电路系统设计.

Thirdly, according to the differences of target images and spot images in gray-scale features, Otsu adaptive segmentation method is adopt to realize the image segmentation.

接着根据靶标图像和光斑图像在灰度特征上的差异，采用了最大类间方差自适应分割法实现了光靶图像的分割。

Objective To verify the reliability of three methods with comparison between the Arsenical spot method ( rapid method), Silver diethyl dithiocarbamate method ( DDCAg method) and atomic absorption sepectrophotometry ( GF AAS method) for determination of arsenic ( As).

目的比对砷斑法（速测法）、二乙氨基二硫代甲酸银分光光度法（DDCAg法）、石墨炉原子吸收法（GF-AAS法）3种饮水砷含量测定方法的可靠性。

The pernicious effects of vignetting spot on the coaxial speckle inference fringes are analysed and a method for eliminating the vignetting spot is given.

本文对同轴散斑干涉条纹渐晕斑的不良影响进行了分析。并提出了消除渐晕斑的方法，进行了比较实验。