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Plain scan and enhanced scan were performed in these patients with Siemens 64-slice spiral CT with the following parameters: 1.0-mm section thickness,0.6-mm collimation,pitch of 1, voltage of 120Kv and tube current of 100mAs, The scanning range is from the thoracic inlet to posterior costophrenic angle; A 80-100ml dose of nonionic iodinated contrast material is injected intravenously at approximately 4-5 ml/sec.

扫描采用Siemens 64层螺旋CT；扫描参数选择层厚1 mm，准直0.6mm，螺距1，管电压120 kV，电流100 mAs；扫描范围从胸廓上口至后肋膈角；强化时对比剂为非离子型对比剂(碘海醇，350 mg I/ml)，注射流率4～5 ml/s，对比剂总量80～100 ml；采用人工智能触发扫描技术，触发点选择肺动脉主干横断层面，阈值为100 HU，触发扫描延迟时间为6 s。

When the flange hole of coal blower casing and inlet box is countersunk, the problem of connecting hole back spot facing can be effectively solved.

它可以有效地解决在锪煤气鼓风机铸铁机壳和进气箱的开箱法兰把接孔时，连接孔背面的锪平问题。

Plateau Eagle aircraft adopts a double-delta wings of high lift-drag ratio , the aerodynamic effect layout of air inlet on both sides of fuselage and the declinate nose which improves the visibility of the pilot.

该机采用高升阻比双三角翼、机身两侧进气的气动布局，下倾式机头锥改善了飞行员视线。

As for the dehumidify ing conditions, the condensing rate for the humid air increases with Reynolds number but decreases as the inlet temperature of cold water increases.

同时湿盘管的热传量及除湿率亦也随著冰水入口温度的降低而增加，显热比随著冰水温度的降低而减小。

Some detrimental flow such as half pressure flow will appear when stream go through the tunnel. Therefore, it can improve stress condition, increase energy dissipation effect and reduce cost of construction to set up energy dissipater at inlet of a tunnel.

在过流时隧洞中可能会出现明满流交替等一系列对结构安全不利的水流现象，因此，在隧洞进口处合理设置洞内消能工，可有效改善隧洞结构的受力状况及消能效果，同时降低工程造价。

Diverter valves with one inlet and four outlets are available in True-Y pattern arrangements.

一个进口和四个出口的转向阀可以提供真正的Y形排列结构形式。

The enteroclysis was operated with special tube introduced to inlet of jejunum.

小肠钡灌检查采用插管式稀钡灌注法。

The numerical simulation result indicated that the deformation of protective erodent products film is relatively small, when the following conditions are satisfied, such as the fluid flows from the small inlet to large outlet, the concentric reducer and the relatively small difference of two end calibers of reducer.

以异径管冲蚀失效为例，运用多物理场耦合软件，分析了异径管流体流向、结构和规格对保护膜变形的影响，模拟结果表明：流向为''大进小出''的冲蚀较严重；偏心异径管比同心异径管冲蚀严重；两端管径差越大，冲蚀越严重。

Based on an analysis of distribution pattern of hydrocyclone"s axial velocity, by changing the inlet flow rate Qi and split ratio Fand making an investigation in the effect of Qi and F on axial velocity field, the factors causing the forming of short-cut circuit and circulating flow are found. It is considered that the short-cut circuit and circulating flow are produced by the structure of the hydrocyclone, and can"t be eliminated completely, though they interfere the flow field inside a hydrocyclone and affect the separation accuracy. Test results show that, by increasing Qi and F and controlling them in a certain range, the separation efficiency of the hydrocyclone can be improved.

在研究旋流器轴向速度分布规律的基础上，分析了短路流与循环流的形成原因，试验研究了改变操作参数，即改变入口流量Qi与分流比F对轴向速度场的影响认为短路流与循环流是由旋流器结构决定的，很难完全消除，它们干扰了旋流腔和大锥段的流场，在一定程度上也影响了分离精度试验结果表明，加大入口流量Qi与分流比F，并将其控制在一定范围内，便可提高分离效率这项研究对水力旋流器分离机理的认识与实际应用均有重要意义

Drainage is not set for the water inlet valve of the baby's pool on 9 F, which can result in helminthes.

9层游泳池里面的戏水池进水阀们没有安装排水管道，里面的积水不能及时排出，滋养寄生虫，戏水池里面的排水沟地漏应加有滤网，防止杂物对排水管道的影响

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。