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Those afflicted with SCA also lose the defective blood cells up to 12 times faster than those without the disorder. A mutation in one of the genes responsible for hemoglobin is the root cause of the disorder and it seems to be most prevalent among those whose ancestors lived in areas where malaria was common.

饱受SCA折磨的病人会以常人12倍的速度丢失缺陷血细胞。血红素基因的一处变异是这种疾病的根本原因,而且它似乎在其先人所住的疟疾肆意地区更为盛行。

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Casting Technique of the Aluminum Alloy Right Box and Prevention of Slag Blowhole Defects

铝合金右箱体铸造工艺及渣气孔缺陷防止

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The morphology and formation reason of the slag blowhole, judgement and prevention measures of the defect were described.

阐述渣气孔的分布和形态、渣气孔的成因、缺陷判断和防止措施。

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Due to the special structure and strict technical requirements of the front shock absorber sleeve of motorcycle, which leads to casting defects, such as shrinkage porosity, surface blowhole, are very easy to occur in production.

铝合金摩托车液压式前减震器筒体特殊的结构、严格的技术要求,导致生产中铸件很容易出现缩松、皮下气孔等缺陷。

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These cracks, while invisible on the outside, can spread and make an entire section of a plane weak, which then can be blow open by increased cabin pressure.

这些裂纹是肉眼看不见的,但会发展成为一个完整的飞机缺陷,当机舱内压力升高时,会掀翻这些薄弱地方。

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Winston Churchill, for instance, had approved the misguided area bombing of Germany based on a flawed statistical study by his chief scientific adviser, Lord Cherwell.

例如,温斯顿丘吉尔(Winston Churchill)依据首席科学顾问彻韦尔勋爵(Lord Cherwell)有缺陷的统计研究,批准了受到误导的对德区域轰炸。

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Analysis of transformation-diffusion brazed joint

相变-扩散钎焊工艺焊接接头缺陷分析

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The surface defects control of low carbon aluminium-killed steel

低碳铝镇静钢表面缺陷控制

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The 3D simulation and recognition method of oil/ water well casing defects

油(水)井套管缺陷的三维模拟及其识别方法

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Place unit on turning gear and observe for leaks, rubs, and control deficiencies.

放在回转装置的单位,并观察有无泄漏,磨,和控制的缺陷。

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Analysis and Elimination of Raised Grain Defect during Fabrication of Numerical Control Small Punch Mesh Plate

数控小孔冲床网眼平板加工中的波浪纹缺陷成因分析及排除

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13、

The author conducts a complete and detailed theoretical analysis on the causes of raised grain defect during the fabrication of lattice mesh plate in the numerical control small punch spinning drying equipment in the article.

文章就数控小孔冲床加工纺织烘干设备中帘子网眼平板产生波浪纹缺陷的原因,进行了全面、详细的理论分析。

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An corrective method to correct of the inherent flaw of the asynchronization direct counting circuit

直接计数式T/D电路固有缺陷的改善算法

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Strip breakage and roll wind-up frequently occur on the ZR 20 when rolling the fragile stock with severe quality problems such as worse shape, serious surface and edge defects.

森吉米尔轧机(ZR20)在轧制板形不好、板面和边部有严重缺陷的脆性原料时,经常出现的生产故障是断带缠辊。

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It is necessary to establish rational elongation and tension, control the quality of coming strip strictly, to avoid cross breaks, improve the surface quality of strip.

制定合理的伸长率和张力制度,严格来料质量要求,可以避免横折印缺陷的产生,提高平整带钢的表面质量。

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Cross breaks are formed on the surface of cold rolled and tempered strip during temper rolling, which influence the surface quality and mechanical characteristics of the temper rolled strip.

冷轧退火后的带钢在平整过程中产生横折印缺陷,严重影响平整后带钢的表面质量及其力学性能。

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Cause Analysis of Cross Breaks of Chromium-Free Fingerprint Resistant Sheet and Corresponding Countermeasures

无铬耐指纹板表面皱纹缺陷产生原因分析及对策

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MECHANISM OF CROSS BREAKS DEFECT FORMATION AND COUNTERMEASURES Thus, resulting harmfulness from the cross breaks may be diminished or eliminated by controlling profile and optimization of uncoilling operation.

横折缺陷的产生机理与治理对策在此基础上,提出了生产中控制板形和优化开卷操作以消除和减轻横折危害的措施。

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An automatic surface quality inspection system installed on a finishing line of cold rolled strips is introduced. Surface defects on cold rolled strips, such as scratches, coil breaks, rusts, roll imprints, and so on are detected.

介绍一套在精整线上使用的冷轧带钢表面质量自动检测系统,该系统用于在线检测划痕、折印、锈斑、辊印等常见的冷轧带钢表面缺陷。

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