环裂

高炉的生产实践表明，高炉在生产过程中内部炉砖存在环裂脱落的现象。

It is indicated in the productive practice that inner bricks of the blast furnace exist ring shake phenomenon during the production process .

环裂征&腰椎峡部裂的CT特征

Loop-broken Sign a significant characteristic of spondyloschisis

风口漏水使锌碱金属及渣铁渗入继续加剧了环裂；

Ring crack aggravated by water leakage from tuyere , and penetration of zinc , alkali metal , slag and iron .

在高碱度负荷下，该高炉炉缸部位产生了平行于炉壳的至上而下的三条环裂。

Under the load of high basicity occur three circular crevices from top to bottom at the furnace hearth parallel to the furnace shell .

热磨损主要表现为磨粒磨损和粘着磨损，热疲劳主要表现为网裂和环裂，热裂还会加剧磨损。

Thermal wear mainly includes particle wear and sticking wear , while thermal fatigue mainly includes net-like cracking and ring-like cracking , both promote the wear development .

经初步分析认为，热应力是引起炭砖产生环裂的主要因素，死铁层太浅、铁水环流剧烈是形成异常侵蚀的主要原因。

Thermal stress is the main factor to cause carbon brick annular crack . The too shallow salamander and sharp peripheral flow of molten iron are the major external factors causing abnormal erosion .

鞍钢2号高炉停炉破损调查表明，炉缸炭砖环裂严重，炉底炉缸异常侵蚀十分明显。

According to the damage study of No2 BF while shutting down at Anshan I & S Co. , the characteristics of carbon brick annular crack and abnormal erosion at hearth are very obvious .

焦炭塔裙座环缝裂因及安全分析

Analysis of Safety and Cause of Cracks Occurred in Hoop Welding Seam on Skirt of Carbonization Column

高线辊环槽裂及辊环破碎原因分析及防止措施

Analysis the Reasons of the Roll Ring Fragmentation and the Roll Ring trough Broken in High Speed Wire Rod Mill & Its Precaution Methods

为了解决国内油田薄油层井、小间隙井和侧钻井固井后射孔及后续增产措施造成的水泥环脆裂（即二次窜流）问题，研制开发了油井水泥纤维增韧材料（增韧剂F17F）。

In order to solve the problem of the brittle fracture of cement sheath caused by perforation and other production-enhancing measures after the well cementing of thin oil reservoir wells , small-borehole wells and laterally-drilling wells , a fiber toughness-enhancing material for well-cementing cement is developed .

机车柴油机用废气涡轮增压器浮动轴承烧灼、转子积碳固死及喷嘴环热裂、叶片变形等是影响增压器可靠运用的多发故障。

The faults that often affect the reliability of the supercharger are the cauterization of the floating ( bearing ) of the gas turbo supercharger , the carbonization of the rotor and getting stuck , heat cracking of the ( nozzle ) ring and the deformation of the blade .

塑性水泥可以很好地解决水泥环的脆裂问题，它通过掺入高强度纤维，不仅可增加水泥石的强度，而且可改变水泥石的弹性。

Plastic cement solves cracking problem of cement sheath successfully . With high strength fiber added in , not only the strength , but also the flexibility is increased .

固化反应的机理可能为硫磺在高温下八元环首先发生均裂从而产生链自由基，然后硫磺自由基一方面与烯丙基双键作用进行自由基加成反应；

The curing mechanism was likely to be that the sulfur firstly broke its chain when heated to a relatively high temperature and sulfur radical was induced in the system .

随着施胶量的增加，纸张的干、湿环压指数、裂断长和抗水性能先提高后降低。

Increased glue quantity , the dry and wet ring crush index , breaking length and water resistance of corrugated paper has advanced first and then decreased , so the dosage of sizing agent is not the higher the better .

方法：盆环变形的穿裂性髋臼骨折共45例，其中42例按解剖定位法行骨盆前、后柱髓内穿钉，使用拉力螺钉或空心双头螺纹钉固定。

Methods : 45 cases of the penetrating acetabular fracture were reported . Of them , 42 cases were fixed by intramedullary nailing of lag screws or hollowed double head screws in anterior and posterior columns of pelvis based on anatomical orientation .

结果病例组173例的175个椎弓峡部裂椎及对照组中2个腰椎椎弓峡部裂，无一椎显示完整椎管骨性结构环，即呈环裂征。

Results There was not an entire bony loop ( i.e. loop-broken sign ) in any vertebrae with spondyloschisis in 175 vertebrae of 173 patients and in 2 ones of 20 volunteers .

结果表明，锻环圆锭毛坯中存在夹杂是导致LC9锻环内裂的原因。

The results show that the cause of interior cracks of LC9 forged ring is due to inclusions existed in the billet of forged ring .

文中重点分析了下环凝固过程中准固相区的受力情况，根据准固相区受力特点建立了适当的热裂判据，对下环凝固过程热裂倾向性进行预测。

The stress status of semi-solid phase area was emphasized . The hot tearing criterion was established to predict the tendency of occurrence of hot tearing of the casting .