有变化的

Meanwhile some detailed numerical researches are done on the influence to the aerodynamic field throughout changing magnitude of the primary air and the secondary air, adopting homocentric two tangential circles, tangentially-fired in number one and number three corner face-fired in number two and number four corner, changing the air distribution of the secondary air and the reverse swirl of upper secondary air, Which provide the theoretical basis for boiler design, optimal operation, renovation etc.

本文同时应用数值研究方法模拟了四角切圆锅炉一二次风大小变化、大小同心切圆布置方式、一三角相切二四角对冲、二次风配风方式改变、二次风反切等对炉内流场特性的影响，为优化锅炉设计、改造、运行提供了及其有意义的理论上的指导。

The comparison of changes of nitrate concentration and hardness indicates that there is a relationship between the nitrogen pollution and the increasing of other compounds, but nitrogen compounds have their own characteristics on migration and transformation and accumulation in different hydrochemical environment.

NO(上标-下标 3)浓度与硬度变化趋势表明：氮污染与硬度等指标值升高有一定的联系，但在不同的水文地球化学环境中，在迁移和转化等方面又有着自已的特性。

For both genes, highest expression was found for costal chondrocytes, followed by nasoseptal, articular, and auricular cells. Retrieal of 20-week discs from mice reealed changes in construct dimensions with different chondrocytes.

就同一种基因而言，肋软骨来源的软骨细胞表达最高，其次是鼻中隔，关节以及耳。20周后从裸鼠皮下回收的不同软骨细胞来源的圆盘样组织在体积上也有变化。

Some aggregates of the active elements appeared on the oxidic catalyst samples and the aggregates could be re-dispersed by sulfidation. The reduction and sulfidation ability of the regeneration catalysts were increased in low temperature region.

对催化剂氧化态和硫化态的表征结果表明，催化剂在失活—再生过程中，比表面等物理性质有一定的变化，再生催化剂活性组分发生聚集，该聚集体经硫化后可得到重新分散，催化剂的低温还原性和硫化性能增强。

Used the PERCA method to carry on the determination to March campus environment atmosphere, had discovered the peroxy free radical signal had the obvious daily variation, the HO_2 free radical strongest about 14:00 appeared a peak value in the sunlight.

采用PERCA方法对三月份校园环境大气中的过氧自由基进行了测定，发现过氧自由基信号有明显的同变化，HO_2自由基在阳光最强的14：00左右出现一个峰值。

In recent years, the stretcher bars flower survival, development of basic changes in society, some quite accomplished stage veteran artists gradually quit or die, and some skills difficult to obtain transmission and development, carried flower development Periploca difficult to save much-needed protection.

近年来，抬花杠赖以生存、发展的社会基础发生变化，一些颇有造诣的老艺人逐渐退出舞台或谢世，有些绝技难以得到传承和发展，抬花杠的发展举步维艰，亟需抢救保护。

SUMMARY: Automatic detection of respiratory variations in pulse oximetry plethysmographic waveform amplitude can predict fluid responsiveness in the operating room in patients under mechanical ventilation and has potential for fluid optimization in this setting.

概要：自动检测呼吸变化的脉搏血氧仪体积描记波幅可以预测手术室机械通气患者的流体应答，并且此设备有潜在的流体优化功能。

The findings of the study : there were significance change of pulmonary function, shoulder function and postoperative pain in the six weeks of postthoracic surgery.

本研究之研究结果显示病人术后六周内的肺功能、肩功能和术后疼痛有显著的变化，用力吐气肺活量和第一秒用力呼气容积均在术后第一天降至最低，到术后六周可恢复为术前的86.8%（SD = 12.2）和87.7%（SD = 19.0）。

Results There were slight and remarkable pulsatility in portal vein flow respecti...

结果 正常人门静脉血流频谱随呼吸周期有轻度的波动；三尖瓣返流者门静脉血流的呼吸性变化较正常人显著，且随返流程度的增加而增大，直至出现逆向血流。

Seismologists think that there is a development and change on the group intensity of earthquake activity during a longer seismically active period in a seismically active area.

地震学者认为，在地震活动区一个较长的地震活动期里，地震群体活动的强度有一个发展变化的过程。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。