管束

The effects of upstream velocity and finned tube structure on fluid characteristics were also cons...

本文对测试结果进行了分析讨论，这些结果为鳍片管束分离器的优化设计以及气固分离机理的研究奠定了良好的基础。

An investigation on the local heat transfer coefficient of a helically segmented finned tube surface in a tube bundle was conducted by experiment in cooperation with numerical calculation.

对齿型螺旋肋片管管束内部沿管表面周向的局部放热系数进行了研究。

The heating surface of the steam generator is composed of several helically wound tubes.

氦气自上而下流过发生器，水在外力作用下进入发生器并产生水蒸汽自下而上流过传热面管束蒸汽发生器的传热面由多头螺旋管组成。

Results For all patients with hemoptysis,their BAG showed different degree of hypervascularity,typically being broomlike or reticulate proliferation and deranging vascular bundles.

结果 全部咯血病例，BAG均有不同程度的血管增生紊乱，典型者为扫帚状或网状增生、紊乱的血管束，严重者伴有肺内出血病灶。

Resujts:① The distribution of lesions are mostly symmetrical, extensive, predominant in the middle and lower lung fields, and posterior areas in peripheral;② There are so many HRCT findings of lung, ILD is predominant: intralobular interstitial thickening 46 cases (100%), ground-glass opacity 41 cases (89.13%), peribronchovascular or centrilobular interstitial thickening 40 cases (86.96%), interlobular septal thickening 38 cases (82.61%), irregular linear opacity 37 cases (80.43%), small nodular opacity 34 cases (73.91%), subpleural line 27 cases (58.70%), bmnchiectasis or bronchiolectasis 19 cases (41.30%), patch opacity 18 cases (39.13%), expiratory mosaic sign 15 cases (32.61%), interface sign 14 cases (30.43%), honeycombing 12 cases (26.09%), emphysema or bulla 3 cases, cystic airspace suspected 1 case, and atelectasis suspected 1 case;③ Mediastinum and pleura: multiple small lymphonodi in mediastinum 41 cases (89.13%), pleural thickening or rough 38 cases (82.61%), esophagoectasis 11 cases (23.91%), unilateral little pleural fluid 1 case, and mediastinal emphysema 1 case.

结果：①皮肌炎肺部病变分布呈对称、广泛、偏中下、偏外后的特点；②肺部HRCT表现多样，以肺间质性改变为主：小叶内间质增厚46例(100%)，磨玻璃影41例(89.13%)，支气管血管束增宽或小叶核心增大40例(86.96%)，小叶间隔增厚38例(82.61%)，不规则纤维索条影37例(80.43%)，结节影34例(73.91%)，胸膜下线27例(58.70%)，支气管或细支气管扩张19例(41.30%)，斑片影18例(39.13%)，呼气相马赛克征15例(32.61%)，界面征14例(30.43%)，蜂窝影12例(26.09%)，肺气肿或肺大泡3例，单纯囊状气腔1例，肺不张l例；③纵隔及胸膜：纵隔小淋巴结影41例(89.13%)，胸膜增厚或毛糙38例(82.61%)，食管扩张11例(23.91%)，单侧少量性胸腔积液1例，纵隔气肿1例。

It is union full ago long seasons of kidhood, when you were completely under ywe parents' control.

由于童年时代长久完全受爸妈的管束，形成这种消极看事物的窍门是很自然的。

ConclusionSensory nerval bundles and vascular bundles can effectively accelerate the ossification of tissue engineered bones.They can be used as a construction method for nervalization after tissue engineered bone.

结论感觉神经束和血管束具有明显的促组织工程骨成骨作用，可以作为组织工程骨神经化构建的一种方法。

The major impact is on less traction on the neurovascular bundle.

其主要的缘由是对神经血管束较低的牵引。

The overlength anticeptic enamel spiral finned tube is an enamel heat-transfer element of a new type,which overcomes the shortcomings in using stainless steel for pipe bundles,meets the needs of environmental protection, and has a wide market prospect.

超长防腐搪瓷鳍片管是新一代搪瓷传热元件，改进管束采用不锈钢等金属的缺点，降低成本，延长寿命，外表美观大方，并达到环保要求，市场前景十分广阔。

Sarcoidosis usually has a perilymphatic distribution, but when it is very extensive, it spreads along the bronchovascular bundle to the periphery of the lung and may reache the centrilobular area.

结节病经常是外淋巴分布，但当它是十分广泛时，它沿支气管血管束播散到肺的外围，也许能播散到小叶中心。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐