Studied the reason and the countermeasure of longitudinal surface crack of Ma-Steel beam blank.
研究了马钢连铸异型坯表面纵裂纹的成因和对应措施。
Polymeric foam buns are horizontally cut along a longitudinal surface thereby lifting off a foam sheet.
沿着纵向表面水平地切割聚合物泡沫厚板从而切下泡沫薄片。
The longitudinal surface crack on thin slab is a serious quality defect at thin slab continuous casting and rolling process.
薄板坯表面纵裂是连铸连轧生产线上的严重质量缺陷。
There are some longitudinal surface cracks appear on the continuous casting slab and consequently on the rolling steel plate.
在连铸轧制的钢板表面有沿轧制方向的裂纹。
This paper analyzes the composition of liquid steel on the high - temperature mechanical property of steel and longitudinal surface crack of CSP slab.
从钢水成分影响钢的高温力学性能的角度,研究钢水成分对钢的高温力学性能和CSP薄板坯表面纵裂的影响。
The longitudinal surface cracks of continuous cast slab results from the thickness inhomogeneity of the initially solidified shell at the meniscus of mould.
连铸板坯表面纵裂起因于结晶器弯月面初生凝固坯壳厚度的不均匀性。
The results showed that the major cause of longitudinal surface cracking of 20 steel tube blanks was higher nonmetallic inclusion content in the steel than standard value.
结果表明:非金属夹杂物超标是导致管坯表面产生纵向裂纹的主要原因。
The UV-visible spectra show two bands corresponding to the transverse and longitudinal surface plasmon (SP) absorption at 532 and 720 nm, respectively, for the colloidal GNFs.
可见紫外线光谱分析显示,胶状纳米金花的横向和纵向表面等离子体(SP)的吸收波段分别是532和720纳米。
Based on the underground of high efficient CC in Ma 'steel, the longitudinal surface crack and centerline crack, the uppermost defects of beam blank CC production are studied.
针对马钢异型坯高效连铸的背景,分析了异型坯生产中铸坯质量的主要缺陷类型:表面纵裂和中心裂纹。
The crack sensitivity of hypo-peritectic steel, its formation mechanism and factors are discussed, and on the analysis, the reasons and factors on longitudinal surface crack are found out.
本文从亚包晶钢的裂纹敏感性,表面纵裂形成及影响因素等方面进行讨论,初步阐述了亚包晶钢圆坯表面纵裂形成原因及各种因素对表面纵裂的影响。
Two sorts of echoes caused by the reradiation of elastic surface wave have been observed in experimentation: the radial surface backscattering wave and the longitudinal surface backscattering wave.
实验观测到两类由弹性表面波的再辐射产生的回波:径向表面反向散射波和纵向表面反向散射波。
The longitudinal wave cannot exist near the surface of a solid, and those exist near it are gliding irrotational waves.
纵波不能在固体表面存在,在固体表面存在的是相应的滑行集散波。
The sensor was applied to detect several kinds of laser ultrasonic, such as surface acoustic wave, Lamb wave and longitudinal wave, well-defined waveforms were obtained.
采用该传感器测试了激光超声表面波、兰姆波和纵波,获得了很好的波形。
A little apart from the surf ace, the longitudinal wave beam may exist and propagate parallel to the surface, yet has to connect with its corresponding gliding irrotational waves.
离开固体表面稍远的区域,可以有平行于表面传播的纵波声束存在,但是需要与相应的滑行集散波相互衔接。
The causes of surface longitudinal cracking were analyzed. Countermeasures were put forward based on the production practices of thin slab casting and rolling at Tonghua Steel Co.
分析了连铸薄板坯表面纵向裂纹的产生原因,结合通钢薄板坯生产实际情况,提出了改进措施。
The excess material formed on the internal surface of a coiled tubing string by the longitudinal weld during manufacture.
挠性管柱在制造时由于纵向焊接在其内表面所形成的多余物质。
The composition of molten steel, cast speed and mould level changing are thought to be main reasons of causing surface longitudinal cracks by analyzing producing data.
对生产数据进行分析,认为钢水成分、拉速和结晶器液面波动等是造成连铸坯表面纵裂的主要原因。
"Petal pear" produced in XI county, which surface has obviously yellow and green alternately longitudinal stripe.
隰县“花瓣梨”的果实表面具有明显的黄、绿相间纵向条纹。
Yet the advancing longitudinal wave beam expands continuously towards the surface, and produces new gliding irrotational waves with it.
但前进中的纵波声束不断向表面扩散而产生出新生的滑行集散波。
Combining with the experience of supervising, the paper analyses the reasons of the longitudinal craze of surface with high filling and puts forward the precautionary measures.
结合监理工作中的实践,对高填方路段路面纵向开裂的成因进行了分析,提出了预防措施。
A concrete gravity dam with 1 ~ 2 longitudinal seams and level keyways in seam surface was grouted when the concrete stays a stable temperature.
某大坝是混凝土重力坝,根据温控要求,坝体设置1 ~2条纵缝,缝面设置水平键槽,在坝体混凝土达到稳定温度后进行接缝灌浆。
The study focused on the relation between upstream flow velocity and surface longitudinal crack under the condition of blowing gas.
本文针对板坯结晶器内的钢液流动特征进行了物理模拟,重点研究了吹气条件下流场的上循环速度与表面纵裂纹的关系。
The stress required for producing internal crack decreases since there are loci of cracks in the slab caused by the surface crack, so the longitudinal cracks from inner to surface form easily.
由于铸坯表面裂纹形成的裂纹灶,降低了产生内裂所需要的应力值,易于形成内、外相连的纵裂。
The results show that the surface longitudinal crack of hot-roll Q345B medium plate is caused by inclusion and surface longitudinal crack of slab.
结果表明,热轧Q 345 B中厚板表面纵裂纹是由于铸坯中存在夹杂物及铸坯纵裂引起的。
When calculating, only function of the longitudinal generating curve of the revoluted curved surface and the value of the projecting angle are needed to be substituted into these formulas.
这些公式的运用很简便,只常将回转曲面的纵母线函数及投射角的值代入即可。
The result showed that the surface free energy of wheat straw was low and there was difference in the longitudinal and cross directions of the wheat straw.
结果表明:麦秸表面的自由能较低;麦秸的纵向和横向均存在润湿性能的差异。
The beam member extends along a region of the longitudinal axis and a portion of the beam member is disposed within the inner bore and is spaced apart from the inner surface.
梁元件沿纵向轴线的一区域延伸并且梁元件的一部分被布置在内孔内且与内表面隔开。
A linear ultrasonic motor was put forward. Elliptical motions of the surface points of the stator are generated by the superposition of longitudinal and bending modes of the oscillating structures.
提出了一种基于薄板面内振动的纵弯模式驻波直线超声波电动机。
In communicating hydrocephalus, round-blunt ascending tridentate imaging was showed, the nuclide was accumulated on the surface of cerebrum and longitudinal fissure and dissipation time was delayed.
交通性脑积水表现为上行三叉影像圆钝,核素在脑表面和纵裂区蓄积且消散时间延长。
A method of making fibers comprises forming a polymeric film having a body having a first surface and a second surface and having a longitudinal dimension.
一种制备纤维的方法包括:形成具有主体的聚合物薄膜,所述主体具有第一表面和第二表面并且具有纵向维度。
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