First, they exposed three tubes of chrome yellow to UV radiation until one turned a chocolate color.
首先，他们将三管铬黄曝露在紫外线辐射中，直到其中一管变成巧克力色。
Analyses the variation of ice storage volume around the three tubes under the effect of water density inversion.
研究了密度反转和等间距三管间相互作用下，围绕上、中、下三管外蓄冰过程蓄冰量的变化规律。
Conclusions "Three tubes technique" is a preferable therapy for patients with spontaneous esophageal rupture and the careful nursing is beneficial to the recovery of patients.
结论“三管法”是保守治疗自发性食管破裂良好的方法，精心护理有利于患者早日康复。
Scientists are turning to desktop printers in an effort to produce three dimensional tubes of living tissue and possibly even entire organs.
美国科学家正在努力研制可打印三维立体器官管状组织的台式打印机，如果可能，希望这种打印机甚至能打印出整个器官。
Regardless of type NPN or PNP-type tubes, the internal transistor has three areas, namely, the launch area, base, collector area, the three areas form two PN junction.
无论npn型还是PNP型管，三极管内部均有三个区、即发射区、基区、集电区，三个区形成两个PN结。
The comparison of heat transfer performance with three different fin spacing, three different Numbers of tube rows and three different Numbers of tubes under three constraints is carried out.
然后通过三种限制条件对不同翅片间距、不同管排数和不同管数下的换热板芯的传热性能进行了比较。
To learn more about how bees recognize their nests, Pitts-Singer's team cut the glass tubes into three sections, then replaced the outer section, the middle section, or both, with clean tubing.
为了更多地了解蜜蜂怎样识别自己的巢穴，彼茨-辛格的研究小组把玻璃管切割成三部分，然后用干净的管材调换了外面部分，中间部分，或者把二者都换掉。
Self-contained Facilities: enclosures for three sides, one table, two chairs, lintel board, spotlight or two fluorescent tubes, carpet.
展位配备：三面围板、一桌二椅、楣板、射灯或日光管二支、地毯。
After comparing three structure models of the condenser, the model is adopted in this system, whose seal structures and construction are all simple, and the tubes can be changed easily.
本文从三种结构对比方案中选择了管型易于更换并且装配和密封都比较简单的结构。
The relationship between heat transfer performance and Reynolds number in three C-D tubes having different rib heights 1.
对光滑圆管与粗糙管内的湍流流动及传热边界层进行了分析，通过实验比较了三种不同肋高1。
Tube fittings shall be flare less compression type of three-piece construction consisting of ferrule nut and body suitable for use on ss tubes.
管道管件应为非扩口压缩式三件构造，由套圈、螺帽和本体组成，适宜安装在不锈钢管道上。
The length of your seat tube is going to help you and the length of your top tube and even the Angle of the three main tubes all put together is going to help you, but color is not.
您的座位管长度会帮助您和您的上管的长度，甚至所有的三个放在一起，是要帮助你主要管的角度，但颜色不是。
The evaporating meniscus in capillary tubes can be divided into three regions: equilibrium thin film region, transition film region and intrinsic meniscus region.
毛细管内的蒸发弯月面可分为平衡稳定液膜区、过渡液膜区和弯月面弯曲区。
In this paper, three methods of lofting calculation of the steel tube in B-type supporting bearer are presented. With these methods, better fit between the vessel head and the tubes can be obtained.
介绍了三种封头曲面与B型支承式支座钢管结合部分的展开放样计算法，该法可使支座钢管与封头曲面结合处达到良好的吻合，从而保证设备安装质量。
This paper makes the analyses on three cases which are oval opening, the opening on cylinder's circumferential miter tubes and the opening on cylinder's axial miter tubes respectively.
文章对椭圆形开孔的形状、圆筒体周向斜接管和圆筒体轴向斜接管的开孔三种情况分别进行了分析。
According to the obtained results, the variations and difference of geometrical configurations, energy and external loading for the three carbon-tubes during the compression were discussed.
根据计算结果，讨论了三种碳管压缩过程中的构型、能量、压缩载荷等的变化及其差异。
There were two or three plastic tubes going into her body to drain the fluids in her lungs, most of which had already collapsed and punctured.
她的肺部大部分已经穿孔溃烂，两三个塑料管穿入她的身体以排出肺部的积液。
The mesh of copper tubes and loading ways of the balls are the key problems during three dimensional FE simulation of ball spinning of inner grooved tubes.
内螺纹管滚珠旋压三维有限元模拟中，铜管的网格划分和滚珠加载方式是模拟的关键问题。
The tubes lead to the target chamber, a three-story-high sphere studded with portholes for the lasers to pass through.
这些管子通向靶室——一个三层楼高的大球，这个球上面镶钉着舷窗以让激光通过。
The qualified welding procedure has successfully been used for the welding of the P91 steel furnace tubes in three ethylene cracking furnaces.
并依此制定工艺，成功地完成了该钢种在三台乙烯裂解炉中的焊接应用。
The main loop includes a three-phase bridge, an inverter module with three IGBT power tubes, a braking circuit and protecting circuits, etc.
系统主回路含三相全波整流桥电路，三对IGBT功率管组成的逆变器电路，制动电路及保护电路等。
An optical fiber probe is used to study the cross-section of oil-gas-water three-phase slug flow in vertical tubes.
利用光纤探针试验研究垂直上升管内气、水、油三相弹状流截面相份额的规律。
In our studies, three-dimensional internally finned tube (3-d IFT) is a type of new heat transfer enhanced tubes which can be used to enhance single-phase forced convective heat transfer inside tube.
本文所研究的三维内肋管就是应用于各种换热器中单相强迫对流换热的新型强化传热管。
For special-shaped column composed of concrete-filled square steel tubes, research is done by three methods: superposition theory, finite element analysis and axial compression experiment.
并结合方钢管混凝土组合异形柱的推广应用，对梁柱节点和维护墙体作法进行了探讨。
Experimental studies on pressure fluctuation in draft tubes of Francis turbines have bean conducted, simulating operating conditions of the Three Gorges Hydraulic Power Station's turbines.
以三峡水电站水轮机运行工况为模拟条件进行了混流式水轮机尾水管压力脉动试验研究。
Experimental studies on pressure fluctuation in draft tubes of Francis turbines have bean conducted, simulating operating conditions of the Three Gorges Hydraulic Power Station's turbines.
以三峡水电站水轮机运行工况为模拟条件进行了混流式水轮机尾水管压力脉动试验研究。
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