4 BF at Pan Gang since May, 1994,which to a celtain degree achieved a more smooth operation of BF, improved the gas permeability of central stock column, developed central gas flow, leduced the times of fueling obviously, decreased coke ratio,achieved a certain effect on improvement of various technological economical targets.
攀钢4号高炉从1994年5月开始采用中心加焦技术，在一定程度上改革了高炉顺行，改善了中心料柱的透气性，发展了中心气流，悬料次数明显减少，焦比明显降低，对改善各项技术经济指标取得了一定效果。
Purpose:To evaluate the value of CTVB in diagnosing the lesions of central airways and its diagnostic basis.
目的 :评价CT仿真支气管镜 (CTVB)对中心气道病变的诊断价值 ,并初步总结CTVB对中心气道病变的诊断依据。
This paper has analyzed and calculated the influence of external ZC-1 scout equipment on the lift coefficient, damp coefficient and aerodynamic center of the fighter plane.
从外挂对载机气动特性影响的计算方法出发,分析了现役某型战机外挂ZC-1航空侦察吊舱对载机升力系数、阻力系数和气动中心的影响,得出了具体的计算结果。
Therapeutic effectiveness of nitinol stents combined with ~(125)I in patients with malignant central airway stenosis
~(125)I粒子支架治疗中心气道恶性狭窄的疗效观察
Objective To evaluate the efficacy and safety of implanting nitinol stents in malignant airway stenosis by flexible bronchoscopy.
目的观察经可曲性支气管镜置入支架治疗恶性中心气道狭窄的临床疗效和安全性。
The American National Center for Atmospheric Research reported on the study.
美国国家空气研究中心报道说。
AIRWAY-CENTERED PULMONARY INTERSTITIAL FIBROSIS:A CASE REPORT
气道中心性肺间质纤维化(附1例报告)
There is a hole in the shaft through which the air from the upper chamber enters the lower one.
腔筒中心有一孔道，压缩空气就是由此从上气室进入下气室的。
forecast center
气象中心气象预报中心
World Meteorological Centre
世界气象中心(气象中心)
Muscle-Sparing thoracotomy on airway and/or vascular reconstruction for treating central NSCLC
Muscle-Sparing开胸气道和(或)血管重建治疗中心型NSCLC
Exploration of sequential airway opening during emergency cardiopulmonary resuscitation
序贯性气道开放在急诊心肺复苏中应用探讨
I don't know if I can be nice,
我不知道能否心平气和，
Regional Meteorological Centres
区域气象中心（区象中心）
A small but strong area of low pressure continues moving across the region centered on Hualien.
一道虽小犹强的低气压继续移往以花莲为中心的区域。
The only spot of warmth was deep in his heart, and his ears were full of the rushing sound of rain .
他什么也不知道了，只心中茫茫的有点热气，耳旁有一片雨声。
The elastic center method on thermal compensation of space gas and heating pipes is introduced.
介绍了燃气和热力空间管道热补偿计算的弹性中心法。
Research on the hydrogeologic condition and estimation water discharge of underpass fu river tunnel;
成都国际会展中心输气管线府河穿越隧道涌水量预测
Regional Meteorological Training Centre
区域气象训练中心(气训中心)
National Weather Analysis Center
美国气象分析中心全国气象分析中心
air or water is heated at a central furnace and sent through the building via vents or pipes and radiators.
水或空气在中心熔炉中被加热并经由出烟孔、管道和散热气发散到房间的装置。