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Some metallic dental ma-terials could cause artifacts on magnetic resonance imaging(MRI) image,which would interfere with demonstration of normal anatomic structures and pathological tissues when undergoing face,jaw and head MRI examination.
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但在进行口腔颌面部和脑部磁共振检查时,口内某些金属修复物可使图像上出现伪影,干扰正常解剖结构和病变组织的显示。 |
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Some metals ,such as cobalt,nickel,chrome and so on ,can corrade the element in high temperature melting state and affect the service life of element.
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部分金属如钴、镍、铬等在高温熔化状态可以对元件造成侵蚀,影响元件的寿命。 |
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Some metals have to be imported from abroad.
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有些金属必须从国外进口。 |
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Some metals weld better than others.
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有些金属容易焊,有的不容易焊。 |
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Some metaphysicians would argue that a rational universe is always based on cause and effect.
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一些形上学者会争辩一个理性的宇宙一直是建立在因果之上。 |
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Some methods for overcoming these disadvantages are investigated as follows: first, using shield and magnetic circuit to shorten the sensor length and enhance the signal magnitude; second, improving the data acquisition system to intensify the capability
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本文结合有限元仿真和实验方法,研究了改进远场涡流技术性能的几种方法,即:采用电磁屏蔽、磁路进行传感器优化设计以缩短探头长度、增大信号强度;改进信号调理电路以提高细微缺陷检出能力;利用同态滤波、小波变换以及误差修正等数字信号处理技术确保检测结果的可靠性。 |
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Some methods for synthesizing magnetic cobalt nanoparticles are introduced, especially the high temperature liquid phase method including the method of high temperature solution phase reduction, metal salt diol reduction and pyrolysis of cobalt carbonyl i
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摘要介绍了制备磁性钴纳米粒子的方法,尤其是介绍了近年发展起来的高温液相法,即高温液相还原法,金属盐醇解法和金属有机化合物热分解法;同时就制备颗粒尺寸小、粒度分布均匀的钴纳米粒子所采用的两种表面活性剂从理论上给予了说明。 |
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Some microbes are newsworthy because they help fight diseases, control pollution, or perform some other useful function.
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一些微生物值得一提,因为他们有助于战胜疾病、控制污染或有其他有利的功能。 |
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Some might actually consider the trebuchet a bit overpowered but they're really only a problem if you let them get next to your cities.
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也许有人认为投石机有点过于强大了,但是他们只是在你让他们接近你的城市的时候才成为问题。 |
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Some might call you high maintenance, but you just need to be pampered.
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有些人说你生活标准太高,其实你只是需要多一些关怀和照料。 |
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Some might say it makes the wearer feel like a trendy young thing.
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面对这一问题,或许有些人会说,这会让烫头发的人显得更年轻时尚。 |