吸管

The use of magnetron sputtering technology, multi-layer tube wall deposition gradient selective absorption membrane.

利用磁控溅射技术在内管外壁沉积多层渐变选择性吸膜。

According to these, transient simulations of several water and hydraulic engineerings with Press-Regulation facility has been studied. Such as Air-Cushioned Surge Chamber , Inclined Ceiling Tailrace, Siphonic Pump Station. And then some reference conclusions are offered.

因此论文主要通过数值模拟对带有变顶高尾水隧洞、气垫式调压室、虹吸断流等调压设施的水利水电工程过渡过程进行了深入的研究，并对带有调压室的复杂管系水轮机调节系统建立了状态方程，得出了对工程设计及动态仿真研究很有参考价值的结论。

Read absorbance in the spectrophotometer at 505 nm. You have to use the blank for calibration.

必需使用一个空白的样本进行校正，读取各比色管於505 nm下的吸光值。

Read absorbance in a spectrophotometer at 505 nm. You have to use the blank for calibration.

必需使用一个空白的样本进行较正，读取各比色管於505 nm下的吸光值。

Its are main the characteristic is supersonic surveillance falls or next finishing guide in real time radiography of line of all sorts of puncture vivid check, X and pump, spile, drainage, note the operation such as medicine.

其主要特征是在实时超声的监视下或引导下完成各种穿刺活检、X线造影以及抽吸、插管、引流、注药等操作。

This dissertation discusses measuring method of standing wave tube which measure absorption coefficients of absorption materials .

利用驻波管法测得的结果，确定声屏障中的吸声材料类型。

The sound absorption coefficient of the material is tested by standing wave tube method.

采用驻波管法测试材料的吸声系数。

The calculation result of theory is validated by stationary wave tube experiment.

在此基础上，总结了单层和双层微穿孔板结构声阻抗以及吸声系数的计算方法，利用驻波管实验对理论计算结果进行了验证。

In order to find out an accurate and practical soil water movement simulation method for infiltration irrigation management, in this paper, investigations of field subirrigation using a rubber-based porous pipe were carried out, and Green-Ampt Model and Philip Method for solving one-dimensional Richard Equation were used respectively to simulate the soil water movement in perpendicular and horizontal directions.

为了寻找一种准确实用的土壤水分运动模拟方法用于指导田间渗灌，该文对一种橡塑渗灌管田间渗灌过程进行监测，并采用Green-Ampt积水入渗模型和一维水平吸渗模型Philip解法分别对渗灌过程中土壤水分在垂直和水平方向的运动进行模拟，通过与田间实测值对比，检验模型的适用性。

Then high temperature thermosiphon is constructed and tested.

在此基础上，制作了内热虹吸式高温热管，进行了起动性能、传热性能测试。

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。