Apart from the interest of knowing when and where a tube was made the code group can still provide useful type identification when the commercial markings have become illegible .

除了兴趣知道何时何一 管了，该代码组 仍然可以提供有用的类型识别标记时，商业已成为难以辨认。

Although some cross pollinated pollen tube growth arrested in the styles lots of pollen tubes still grew to the style bottom which behaved cross compatibility .

而异花授粉的 花粉管虽然在花柱 内也有停止生长现象，但大量的花粉管 能长到花柱基部，表现为杂交亲和性。

However as to step foot - path steel tube concrete arched bridge still lack the effective methods diagnosed to damage .

对于大跨径 钢管混凝土拱桥， 尚缺少有效的损伤诊断方法。

The heat transfer characteristics of the single row plane elastic tube bundle B via the flow-induced vibration in condition of different flow velocity were numerically investigated and the surface heat transfer coefficient of elastic tube bundle in vibrating and still state were obtained .

对低流速下B管束流体诱导振动的换热特性进行了分析，分别得到了不同流速下B 管束流体诱导振动和 静止时的面均换热系数。

As a new kind of composite material the study for material damping of Concrete-Filled Steel Tube ( CFST ) is still in the initial stage and concerned document is too few to be seen .

钢管混凝土作为新型组合材料，其材料阻尼的研究 还处在起步阶段，研究文献尚未见到。

However compared with the luminous flux of the general lighting products such as incandescent light bulb and fluorescent tube high power LED as a kind of light source some gaps still exist .

但大功率LED与常规产品的光通量以及白炽灯和荧光 灯等通用性光源相比， 还有一定距离。

The constructional features performances of heat transfer and pressure drop of the integral internal spiral fin tube and its still blurred mecha - nisms of heat transfer enhancement were summarized .

本文系统地介绍了整体型螺旋内翅片 管的结构特点、传热与流体力学特性以及研究得 还不很透彻的传热强化机理。

Software design development for tube still heat exchanger with Visual Basic 6.0

VISUALBASIC6.0语言开发 列管式换热器设计软件

Many domestic and foreign experts make a lot of researches on the mechanical properties and design of concrete filled steel tube structure but the research work relating with self-compacting concrete filled steel tube structure is still in the initial stage which need to be improved .

国内外许多专家学者对钢管混凝土结构的力学性能和设计方法都做了大量的研究工作，但对自密实 钢管混凝土结构的研究工作 仍处于开始阶段，还将有待完善。

CNET reports that in spite of their preparations and clear idea of where the 13-foot-long tube was it still took them two hours to dig it up using heavy machinery .

CNET报道说，虽然他们准备充分，也非常清楚这个长约13英尺的 管子的具体位置，但挖掘 还是花了两个小时，过程中还用到了重型机械。

However problems such as serious corrosion and dust deposition in furnace tube of waste heat boiler and the low heat integration utilization rate still exist in energy conservation so further energy conservation measures ought to be adopted .

目前装置在节能降耗方面 仍存在不少问题，如余热锅炉炉 管腐蚀和积灰严重、装置热联合利用率低等，节能潜力 仍 很大，应采取进一步的措施。

However due to the limitation of theory basis and research methods currently the rectangular steel tube drawing process is still constituted by experience-oriented experiment which causes the quality of products instable .

但是受理论基础和研究方法的限制，目前矩形 钢管拉拔工艺 仍然采用以经验为主的试验法制定，产品质量难以保证。

The neural tube then might induce the formation of still other embryonic structures .

神经 管可能诱导其他胚胎结构的形成。

The slim tube test shows that although nitrogen can 't be miscible with reservoir oil the recovery efficiency is still up to 60 % .

细管实验研究表明，氮气无法与地层原油形成混相， 但可获得60%的采收率；

The paper discussed the application of tube still preheater and double-pipe preheater in the process of removing silicon and analyzed the situation of the scab .

本文就 列 管 预热器和套管预热器在粗液脱硅过程中的应用进行了论述。并对其结疤状况进行了分析。

The results show that the ambient solar wind speed and the ICME transit time errors show little correlation even after taking into account the angle of magnetic cloud flux tube to the ecliptic plane the correlation is still not obvious .

结果表明，背景太阳风速度和ICME渡越时间并没有明显的相关性，在考虑了磁云通量 管轴相对黄道面夹角的影响后相关性 仍然不明显。

Because of very low in the proportion of blanks made from bar and tube the forging process is still a basic process obtained blanks in our bearing factories .

我国轴承制造厂采用 管料和棒料供坯的比重很小，锻压加工 仍是毛坯的基本加工工序。

After experimental study it is found that the weld metal ductility is improved by local post weld tempering treatment . In this way the results of flattening test for tube joint are acceptable and joint strength is still satisfied for design requirement .

通过采用焊后局部回火处理提高了焊缝金属的塑性，从而使 接头压扁试验合格，其强度 也满足设计要求。

The tube is18 centimeters long with finger holes still evident .

古 笛长18厘米，笛上的指孔 依然可见。

Even though a snake enters a Bamboo tube it still inclines to wriggle

蛇入 筒中，曲性 自在

The four tubes ' leakage problems have been effectively controlled since 2004 but some problems still exist now for example the times of tube bursting arising from overheating and the times of tube bursting arising from welding defects are still very high .

2004年四管泄漏问题得到了有效控制，但仍存在一些问题，如由超温过热而引发爆管的次数和焊接缺陷导致的爆 管次数 仍然很高。

Cracking furnace tube run many has far exceeded its design life the furnacetube still can continue to run and run long it is the problem that solves urgently .

裂解炉炉 管运行很多已远远超过其设计寿命，这些炉管是否 还可继续运行和运行多久，是亟待解决的问题。

A new set is bought more often than the 15 to 20 years a cathode ray tube lasts but the lifespan is still seven to 10 years .

新电视虽不及阴极射线 管（crt）15至20年的使用寿命长，但 仍有7至10年。

Concrete filled steel tube as a whole at home and abroad seismic research is still at a preliminary stage and far from perfect especially for three-dimensional simulation of concrete filled steel tubular structures seismic studies .

国内外对 钢管混凝土整体抗震方面的研究 尚处于初步阶段，很不完善，尤其是对钢管混凝土结构的三维模拟抗震的研究。

View from the relate of bridges seismic the study of dynamic performance and seismic response of long span concrete filled steel tube arch bridge is still relatively not enough .

从有关桥梁抗震的资料来看，对大跨度中承式 钢管混凝土系杆拱桥的动力性能及地震响应的研究 仍然比较少。

Fatigue cracks are common at position like that . In order to simulate numerically this kind of complex practical problems the contact of steel tube and concrete in the concrete-filled steel tubes still should be considered when building the analysis model .

模拟这种复杂的实际问题，建立模型时 还需考虑钢管混凝土构件中 钢管与混凝土的接触，接触问题涉及到应力集中、边界非线性以及材料或几何非线性等问题。

When the polyp is big or the merge serious cervix of the uterus tube inflammation still needs to consider the womb partial excision or the total excision .

当息肉较大或合并严重的宫颈 管炎时， 还须考虑子宫部分切除或全切除。

The magnetosphere part of the flux tube is still inside the magnetosphere after reconnection and applies the path for the solar wind entry into dayside magnetosphere .

而重联磁力 管起源于磁层的部分则 仍然位于磁层顶内侧，并为太阳风进入磁层提供了路径。

The Ill-generation tube of China is still in the laboratory and its performance needs to be improved . Resolution which represents the image sharpness is one of the important indicators of LLL image intensifier .

目前，我国的Ⅲ代微光像 增强器的性能参数 仍然有待提高， 还在实验室研究的阶段。分辨力是对微光像增强器进行评价的一个重要指标，它表征了像增强器成像的清晰度。