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Its polymer, polyepoxysuccinic acid, is a new green chemical product. It can be used as a component in detergents, a scale inhibitor, a corrosion-inhibiting agent, etc.

它的聚合产物聚环氧琥珀酸是一种新型的绿色化学产品,可以被用于清洁剂、阻垢剂和缓蚀剂。

Result] Among 30 AMI patients there were 28 cases whose phase I area and the whole loop area decrease, with phase I centrifugal branch cutting mark and defect etching or wave change appearing, phase V area increasing, altering rate of loop figure being as high as 90%.

结果]30例AMI患者中有28例CADL的Ⅰ相面积及总环面积减小;Ⅰ相离心支出现切迹、缺蚀或波浪状改变;V相面积增大,环形变异率高达90%。

The corrugated ceramic packings offer excellent resistance to high-temperature hydrogen sulfide and naphthenie acid corrosions.

耐蚀瓷质波纹填料具有很强的抗高温硫化氢和环烷酸腐蚀的性能,在腐蚀严重的高温传质环境中应用,可以替代不锈钢填料,延长检修周期。

Slide shift fork shaft, mechanical abrasion, such as locking pin is too large, fork bending deformation or face groove with the ring gear grind open.

换档叉轴滑槽、锁销等机件磨蚀过大,拨叉弯曲变形或工作面与齿轮环槽磨旷。

Therefore, the choice of single mode in the examination and the frequency-thick band of mode has been given a particular illumination separately in the paper, following a relative numerical simulation. And a multi-cyclical sine signal modulated by Hanning window is used to simulate the excitation wave, and then an inspected ring of nodes is established to receive the echo, finally how the length of the circumferential cracks, the width of the axial cracks and the degree of the thickness-reduce effect the result is explained through the analysis of the result, further more, the reflection factor in the defect has been calculated.

因此,本文也就单一检测模态的选择以及模态频厚积段的选择分别予以了阐述,并有针对性的进行了数值计算:应用Hanning窗调制的多周期正弦波模拟单音频激励信号,并设置监测质点环接收回波,通过分析说明了管道的周向裂纹、轴向裂纹以及点蚀缺陷对缺陷回波所产生的影响,并进一步计算了缺陷处的反射系数。

LHMs consisting of a periodic array of interspaced copper hexagonal SRRs and wires are designed and fabricated by shadow mask/etching technique.

利用电路板刻蚀技术制备了六边形开口谐振环和金属杆周期排列而成的LHMs。

Shanghai Sinopolymer Chemical Material Co., Ltd. is a professional supplier to floor materials and engineering service, mainly undertaking application of special floor materials and of refurbishment/reflooring old floor ,such as epoxy coatings, anti-static coatings, corrosion protection coatings, fireproofing coatings, etc.

上海司诺普化工材料有限公司是一家专业的地坪材料与工程服务供应商,主要承揽各类特种地坪材料的施工及旧地面翻修工程施工,如环氧地坪涂料系列、防静电涂料系列、耐腐蚀涂料系列、防火涂料系列、耐蚀系列树脂材料等产品。。。

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As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸,那乌黑、忧郁的眼睛,她便会相信,他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失

But because of its youthful corporate culture—most people are hustled out of the door in their mid-40s—it had no one to send.

但是因为该公司年轻的企业文化——大多数员工在40来岁的时候都被请出公司——一时间没有好的人选。