两管的

Using the finite element method to the industry boiler tube plate carries on the qualitative analysis,and obtains the industry boiler commonly used three kind of types tube plates under the similar size specification and the stress condition distortion and the stress distribution,as well as biggest stress value and position.

通过利用有限元方法对工业锅炉管板进行定性的分析，得出工业锅炉常用两种类型的三种管板在同样尺寸规格和受力条件下的变形和应力分布，以及最大应力数值和位置。

Experiments are carried out for two types unusual eddying tube fuel perheater,and the results show the total heat transfer coefficient is 1.2～1.262 times and friction factor is 2.8～9.0 percent higher than that of smooth tubes with the same size.

对研制的两种不同结构形式的异形凹槽旋流管式燃油预热器进行了试验研究，结果表明研制的燃油预热器总传热系数要比相同尺寸光滑管式预热器提高20％～26.2％，而油侧压降仅增大2.8％～9.0％。

The ampullae join the ducts of two other saclike organs, the seminal vesicles, to form short and straight tubes called ejaculatory ducts.

两侧壶腹分别汇合另外的两个囊状器官——精囊腺的管道，形成短而直的小管，是为射精管。

CPC and traditional root canal filling paste gutta percha point were used in treament of root canal filling on 120 roots. The cases were followed up for 1~2 years.

采用自固化磷酸钙根管充填剂和传统的充填剂分别应用于随机选择的两组做根管治疗的患牙随访观察1～2年。

Materials and Methods: The normal pterygopalatine fossa and its communication of 100 cases (200 sides) were studied, moreover pathological changes were observed in 23 cases (41 sides) of fibrous dysplasia by MSCT scanner, all volume data were subjected to multiplanar reformation, curved planar reformation in working station, to review the morphologic characteristics of the normal pterygopalatine fossa and its communications, to measure and compare the pterygopalatine fossa, pterygoid canal, foramen rotundum between two sets respectively.

资料与方法：对100例（200侧）正常翼腭窝及其通道及23例（41侧）累及翼腭窝及其通道骨纤维异常增殖症患者进行MSCT扫描后，将以上两组所有数据传至工作站进行后处理重建，主要包括MPR、CPR，观察正常翼腭窝及其通道形态特征，并对两组翼腭窝、翼管、圆孔的有关径线进行测量、比较。

The recoery rate was calculated as follows;(JOA score at follow up_preoperatie JOA score)/(17 _ preoperatie JOA score) _ 100,15 and the surgical outcomes were classified into four grades based on the calculated recoery rate; excellent: recoery rate 75% or higher, good: 50–75%, fair: 25–50%, and poor: lower than 25%. Ealuation was made on radiographic findings, including the range of motion and the jaw diameter (a measured line from the posteroinferior corner of the ertebral body to the anterior aspect of the subjacent lamina) at the adjacent leels in group A and the affected leels in group B and the spinal canal diameter at the C4 leel in both groups. The C4 leel was chosen for this measurement, because the spinal canal is usually narrowest at this leel.

恢复率如下计算；（随访JOA评分-术前JOA评分）/（17-术前JOA评分）*10015，按计算的恢复率将手术结果分4级；优：恢复率75%或更高，良：50-70%，中：25-50%，差：低于25%。X线片结果评价，包括活动范围和颌直径（从椎体下后角到下邻椎板前方的测量线）在A组相邻水平与B组受影响水平及两组C4水平椎管直径。C4作为该侧量的选择是因为通常在此平面椎管最为狭窄。

Combining the mass quality measurement method with the Venturi meter, the flowrate of the oil-gas two-phase flow can be achieved.

将提出的油气两相流质量流量含气率测量方法与文丘里管相结合，进行油气两相流流量测量。

In recent years, the music workers carry out effective reforms to the traditional Hulusheng, developing a kind with ten pipes, changing the body with wood and adding a resonance box on the pipe, which not only expand the range to nearly two octaves, but also increase the volume, with the key characteristic of inflexion.

近年来，四川凉山的音乐工作者，对传统葫芦笙进行了较有成效的改革，研制出十管葫芦笙，笙斗改为木制，笙管上增加了共鸣筒，不仅使音域扩展到将近两个八度，还增大了音量，其最大特点是能够转调。

Methods:A retrospective study was used for valuing the therapeutic methods of the 43 EPISBO cases.21 cases received the gastric tube-fed compound gastrografin were study group,the position of constrast medium and obstruction were observed with 24 hours abdominal x-ray photographs. 22 cases received emergency operations were set control group. The time of gastric tube detain, recovery defecation, stay time and complication, recur interval or times were compared.

回顾性总结43例术后早期炎性肠梗阻患者的治疗方法，泛影葡胺组21例经胃管注入复方泛影葡胺，24 h内腹部X线摄片动态观察造影剂作保守治疗，剖腹手术组22例行黏连松解等术式，比较两组患者的胃管留置时间、恢复排便时间、住院天数、并发症以及再发间期、再发次数。

This paper analyzes the physical process of the two-phase flow inhelical tube and constructs the thermal hydraulic computational model foronce through big helical tube steam generator.

论文分析了盘管中两相流动的物理过程，构建了大盘管直流蒸汽发生器的热工水力计算模型。

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％。