查询词典 BF

The main equipments and the technological parameters of the casthouse of 3 200 m3 BF are introduced.

介绍了3200m3高炉出铁场主要设备、工艺参数，详细论述了液压系统的施工安装要点、系统及主要设备的调试，提出了今后应注意的问题。

In this thesis, firstly, it introduces equipment of environmental protection, dedusting equipment de-dusting method and improve course about BF casthouse, then it tells dedusting method of strap transport machine, interrelated equipment, Including transport and sifting of the raw material and fuel, and collection and purification technology of soot dust.

本文先对炼铁厂高炉出铁场的环保除尘设备、设施、除尘方式、及其改进过程进行了介绍，然后介绍了皮带运输机的除尘方式、相关设备，包括原燃料的运输、筛分，以及粉尘的收集与净化技术。

There is componental Correlation between movement project undergraduate athletes BMC and WT in Hebei Province.

河北省部分运动项目大学生运动员BMI与其BF%具有相关性(P.05)。

Based on the stress analysis to spired axis mechanism,in the aspect of sliding part which smoothes through alveolus intersection, theresearch of parameters optimization, about the middle alveolus of spired axis andthe dimension of sliding part, has been studied. To the problem that the reverseportion at the both sides of spired axis lashed fiercely and fraies quickly, thearticle finely analyses the best curve of alveolus when adding cushiony spring atthe both sides.

在对螺旋轴机构进行受力分析的基础上，从滑块顺利通过齿槽交叉点的要求方面，对螺旋轴中间段齿槽和滑块的尺寸进行了参数优化分析；针对螺旋轴两端曲线齿槽反向段在高速工作时冲击大、磨损快的问题；从减少滑块在齿槽反向段运动的冲击方面，比较分析了圆弧、抛物线、三角函数等曲线作为螺旋轴齿槽反向段曲线的加速度，提出了较优的(来源：ABCab论bf文网www.abclunwen.com)反向段曲线。

In this research the necessary of desiliconization process which take precedence of dephosphorization pretreatment is studied, also the desiliconization experiment by charging desiliconization agent into iron runner of BF in Jiuquan Steel Plant is studied too.

对铁水脱磷处理前的铁水预脱硅处理的必要性及在酒钢高炉出铁沟内进行的投撒预脱硅实验进行了分析。

The adaptability of BF-BOF zone has been researched for the higher speed continuous casting by comparing between Baosteel and Wakayama Steel Works, in which the desiliconization, desulphurization, and dephosphorization are separated.

高炉—转炉—连铸机在&1—1—1&对应配置的条件下，高炉有效容积限制了转炉的最大公称容量；连铸机常用的最大工作拉速决定了转炉的最小公称容量。

It is important that procedure's function collection, procedure's relation collection and process's procedure collection are researched and rules are founded. The technical development of BF-BOF zone, especially desiliconization, desulphurization, and dephosphorization separated from hot metal pretreatment, is a kind of analysis based on integration.

区段发展尤其是铁水预处理分解成脱硅、脱硫、脱磷三个工序，是集成指导下的解析，高炉—转炉区段内工序个数虽然增加，但工序功能相应简化—优化，运行的稳定性提高，从而促进了过程物流加速。

When the reaction is carried out at 22 ℃, a cage complex with an encapsulated diethyl ether, 2 is prepared.

发现温度对自组装反应有着重要的影响：当组装在37-40℃进行时，可以得到包容一个NEt〓的阳离子型超分子笼1，其对阴离子为BF〓，处在超分子笼的外面；当组装在22℃进行时，可以得到包容一个乙醚客体分子的中性超分子笼2。

It realized mixed coal injection in BF and higher coal rate ,resulting in good technical and economical inde.

2001—2003年，首钢高炉喷吹煤种优化的工业试验获得成功，实现了混煤喷吹及煤比提高，取得了较好的技术经济指标，并验证了实验室的研究结论。

AFLP technology was used to analyze the near isogenic lines of 〓 and BS,BF bulks.

用AFLP技术和BSA分析对〓近等基因系进行了遗传多态性分析。

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