两管的

This thesis first research the effect of the additive and material, which can restrain ice crystal adhere onto the heat exchange surface. Then oriented at practical industrial application, a new kind of shell and tube type dynamic ice generator is designed.

本文对在蓄冰溶液中加入添加剂和换热表面改性这两种抑制冰晶在换热面上粘附的方法进行了研究，同时综述和比较了国内外各种形式动态制取冰浆的方法，并结合工业的实际应用，设计出了一种壳管式冰浆生成器，搭建了溶液动态制冰实验台，对冰晶在其管束换热面上粘附的过程进行了理论和实验研究。

However, new Huadouji is round it is one penates group actually, have trival equity relation and intricate professional work to form, sortie of below the banner 6 subsidiary 6 industries, not much and mutual and organic connection is relatively independent; New Huadoushi still is a household company on border, the familial public figure that has two Chen Fashu holds the position of the tall canal of subsidiary.

然而，新华都集团实际上是一家财团，具有繁琐的股权关系和复杂的业务构成，旗下六家子公司涉足六个产业，相互有机联系不多而且相对独立；新华都实际上还是一个家族企业，有两位陈发树的家族人士担任子公司的高管。

The finite element models of two types of machine guns are set up, mainly based on the 3-dimensional beam elements, partly based on boundary elements. Modal experiment plan of the machine guns is designed and their modal analysis experiments are done. The inherent properties of structural vibration and dynamic response properties for type-02 14.5 mm anti-aircraft machine gun and type-89 12.7mm machine guns are completely realized through the method combining theory and experiment, and many valuable conclusions are obtained.

建立了以三维梁单元为主，边界元为辅的高射机枪和重机枪有限元模型，设计了模态试验方案并进行了两支枪的试验模态分析，采用理论与实验相结合的分析方法，全面揭示了 02 式 14.5mm 单管高射机枪和 89 式 12.7mm 重机枪的结构振动固有特性和动力响应特性，获得了许多有价值的结论。

A certain office building is selected as representative building,Harbin,Urumqi,Beijing,Wuhan and Guangzhou are chosen as representative cities of every climatic region of our country,and water loop heat pump system is compared with primary air fan coil system.

以某办公楼为代表性建筑，以哈尔滨、乌鲁木齐、北京、武汉和广州为各气候分区的代表性城市，以风机盘管加新风系统为水环热泵空调系统的比较对象，通过运用eQUEST能耗模拟软件，全面分析对比了两空调系统在各城市应用的能耗和运行费用，得出了水环热泵空调系统在我国各气候分区的适用性。

The pyrolysis characteristics and sulfur release characteristics during coal pyrolysis of three different coals, which include high volatile, were studied by TG-GC-MS(Thermal gravimetry-Gas Chromatography-Mass spectrum), tube furnace of pyrolysis reactor and intelligent fixup sulfur equipment.

本文应用热重—质谱—色谱联用系统、管式炉热解反应器和快速智能定硫仪，研究三种高挥发分煤种的热解特性和热解硫析出特性，对热解硫析出的两种主要产物(H_2S和COS)进行了监测分析，得到硫的赋存形态、粒径大小以及矿物质对各种形态含硫气体析出的影响规律。

It shows that it is possible to increase the start oscillation length by tailoring magnetic field's amplitude and its period without changing the synchronous condition of the fundamental wave;in the meantime, when there are two or more azimuthally asymmetric space harmonics in the high power broad-band helix TWT, the influences of the Pierce's gain parameter, space charge parameter, and loss parameter on the start oscillation length and real starting asynchronous velocity parameter are also analyzed.

研究结果表明：改变聚焦磁场的幅值或周期来增加起振长度是可能的，而且不会改变基波的互作用条件。与此同时，对起振长度、初始非同步速度参量随皮尔斯增益参量、空间电荷参量、损耗参量等的变化，以及在超宽带行波管中当存在两个或多个角向非对称空间谐波时，起振长度、初始非同步速度参量随周期永久聚焦磁场的变化进行了研究。

Immunocytochemistry further revealed that the proteins encoded by these genes accumulated inthe elongating and condensing generative nucleus during development of bicellular pollen, and weremost abundant in the two sperm nuclei within an elongated pollen tube.

免疫细胞化学进一步显示，该编码的蛋白是由这些基因的累积inthe拔节和冷凝生成核的开发过程中bicellular花粉，并weremost丰富，在两个精子细胞核内的一个狭长花粉管。

This result indicates that WT1 gene plays an important role in differentiation and development of fetal kidney and may be the factor that promotes metanephric blastemal cell to differentiate into epithelial cell.

结果显示小胎龄肾组织中WT1蛋白在胚基细胞和幼稚肾小球细胞核表达而大胎龄组肾组织中WT1在肾小管细胞胞浆表达，阳性率分别为57.1％(8/14)和46.2%(6/13)，提示WT1基因在胚胎肾分化发育的过程中起着重要作用，WT1蛋白可能是促进后肾胚基细胞向上皮细胞分化的调控因子，其表达在时间上和空间上都受到严格的调控，WT1的表达异常可能导致胚基细胞分化停滞。17例肾母细胞瘤WT1蛋白表达阳性率为41.2%(7/17)，阳性部位在胚基型和上皮型肿瘤细胞核，表达部位和阳性率与早期胚胎肾相似，其中间质型肾母细胞瘤均为阴性，胚基型和上皮型肾母细胞瘤阳性率70%(7/10)，两组间阳性率有显著差异。

Articular chondrocytes from the knee joints of the A group were separated respectively to fragments, and then digested by enzymes, both the chondrocytes and the uncomplite digested tiny chondral tissues have been cultured in vitro for about 2 weeks.

分别取A组9只兔子的双侧膝关节股骨滑车及部分髁部的软骨，在体外进行分离和消化，未完全消化的软骨组织加软骨细胞在培养瓶内一同培养2周后配制成浓度为1.6×10~8/ml的软骨细胞悬液，等分装于两个EP管中。

The pinwheel's core contains the apical endings of B1 cells and in its periphery two types of ependymal cells: multiciliated (E1) and a type (E2) characterized by only two cilia and extraordinarily complex basal bodies.

其中风车的中心含有B1细胞的顶端末梢，而在风车周围则包含两种室管膜细胞：其中一种是多纤毛的E1细胞，另一种则是具有2纤毛以及非常复杂基体的E2细胞。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。