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One of these testing methods, eddy current, has been widely used for metal thickness measuring because of its good sensitivity, high test speed , non-contact and other advantage. The principle of eddy current testing is that, when the test coil is close to the metal conductor with alternating current, the eddy current would be inducing in the conductor, and correspongdingly, the eddy current would affect the original magnetic field, the result is the coils impedance and inducing voltage changed.
其中涡流无损检测技术具有灵敏度高、检测速度快、非接触等特点而广泛应用于金属厚度检测,它的原理是当载有交变电流的检测线圈靠近金属导体时在导体中产生涡流,该涡流又影响原磁场,使得线圈的阻抗和感应电压发生变化,通过分析阻抗或感应电压的变化来获得被测导体的信息。
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Speaker said in an interview with reporters that,"Many domestic websites Yahoo and has been a contact, and of course including 263, Lycos 263 for the business model is very interested, but the two sides have already reached or will be too early to reach some kind of agreement, the 263 will move Jializhongxin I'm not too sure."
LYCOS亚洲的一位发言人在接受记者采访时说,LYCOS和许多国内的网站都进行过接触,当然其中也包括263,LYCOS对263的经营模式的确非常感兴趣,但要说双方已经达成或将。。。。。。
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But in fact, the fellatio is humanity's unlearned behaviour, all female animal when oestrus period, the reproductive organ nearby can secrete the Fellow Mongolia to attract the male gender to be close, and lets the male gender contact the female with the mouth reproductive organ, the amusement period of time, only then starts the copulation.
但事实上,口交是人类的本能行为,所有的雌性动物在发情期时,生殖器附近都会分泌费洛蒙来吸引雄性接近,并让雄性用口去接触雌性的生殖器官,玩乐一阵子,才开始交配。
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Results: A statistically significant reduction was found in corneal endothelial cell numbers before versus after surgery ( P=0.0003).Conclusion: Our results show corneal endothelial cells to be decreased by retinal photocoagulation with an indirect ophthalmoscopy contact lens.
结果显示:术前与术后角膜内皮细胞数目比较有明显的差异,提示采用间接检眼镜接触镜进行视网膜激光光凝使角膜内皮细胞减少。
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The user that this says palpability is many has been accepted will be communicated with the contact in different situation, different time.
这说明了大量的用户已经接受在不同的场合、不同的时间来和联系人沟通。
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First of all office staff should be kept on sitting in a natural sitting position, hips and back to full contact seat, shoulders after the show, to connect with the shoulders parallel to the edge of the table, spine upright, two-legged landing.
办公室工作人员首先在坐姿上应保持自然的端坐位,臀部和背部要充分接触椅面,双肩后展,两肩连线与桌缘平行,脊柱正直,两足着地。
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Supposing the hot end of a bare thermocouple is a global thermometer, the authors built a mathematical model for the heat-exchange-based air temperature measurement with the bare thermocouple, deduced the dynamic response time and the deviation estimate formulas in theory. The formulas can be satisfied under the conditions of global thermometers and contact-type temperature measurement.
文中假设裸露热电偶的热端为一球形温度计,建立裸露热电偶热传导测量空气温度的数学模型,从理论上给出其热传导测量空气温度的动态响应时间和最大温度误差估计式,从而可知只要球形温度计在接触式测量温度时得到其动态响应时间和最大温度误差即可满足所求公式。
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According to the liberation army director Li Li introduces ophthalmology of the 254th hospital, in recent years " xerophthalmia " young turn a tide apparent, because modern life is medium,basically be, the youth because reason of the job, recreation, contact increasingly with TV, computer, face fluorescent screen for long, the tear that affected double eye is secreted.
据解放军第254医院眼科主任李丽介绍,近年来"干眼症"的年轻化趋势明显,主要是由于现代生活中,年轻人因为工作、娱乐原因,与电视、电脑接触得越来越多,长时间面对荧光屏,影响了双眼的泪液分泌。
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The capacitor provides a contact area coextensive with an active area and can be reliably formed individually or in small numbers.
该电容器提供与有源区共延的接触区域,并可以单独或少量的方式可靠地形成该电容器。
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The method connects the exponentially attenuating dividable auto-correlation function which is often used in the study of the lubricating behaviors of rough surfaces, to the theoretical model for studying the contact behaviors of rough surfaces and it will be a foundation for studying the lubrication and failure problems of sliding frictional pairs with anisotropic surfaces.
第三章对Onions-Archard的理论接触模型进行扩展,给出了计算各向异性粗糙表面接触性能的简便方法,并将粗糙表面润滑效应研究中常用的表征粗糙表面的指数衰减可分自相关函数和粗糙表面接触性能研究的理论模型联系了起来,为研究混合润滑工况下各向异性粗糙表面摩擦副的润滑和失效问题提供了基础。
- 推荐网络例句
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It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.
从鲍尔点的形成原理出发,分析对称连杆曲线上鲍尔点的产生条件,提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。
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The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.
集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品,年生产总值3000万美元,产品价廉物美、选料上乘、质量保证,深受国内外客户的青睐
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The eˉtiology of hemospermia is complicate,but almost of hemospermia are benign.
血精的原因很,以良性病变为主。