气阱

If the plane drops suddenly, it is probably an air pocket.

如果飞机突然下落，可能是碰到了气阱。

Every time a plane hits an air pocket, it always dips a little.

飞机碰上气阱总是要下降一些的。

Satisfied the need of the research in preparation of fluorine by electrolyzation and the second-degree purifier further secured the whole operating system of the experiment besides purifying the fluorine gas.

实验研究表明：所研制的电解槽、化学冷却阱、吸收塔，防爆缓冲罐，尾气环保装置等设备设施可以满足本研究电解制氟的需要，且二级纯化装置不但具有纯化氟气的功效，而且还可对整个实验操作系统起到进一步的安全保障作用。

Based on a method of operator and an analysis of Landau engener level , this paper obtains the characteristics of 2D electron gas.

应用算符的方法及通过朗道能级的分析，得出了二维电子气的能级特性，由此通过态密度、简并度的讨论，研究了半导体超晶格量子阱的原理及其广泛的应用。

The acquisition method of volatile compounds, from different mechanical damage exent of oriental arborvitae, are the dynamic headspace body of improved air circulation Acquisition Act.

利用改进了的动态顶空气体循环采集法，对受不同程度机械损伤侧柏木释放的挥发物进行了采集粗提，通过热脱附冷阱-气相色谱-质谱联用仪进行了提取分析鉴定。

The volatile organic compounds produced in the laser-sculpture process of bicolor board were studied using cold trap condensation-gas chromatography-mass spectrometry.

研究了冷阱浓缩气相色谱－质谱法检测双色板在激光工艺雕刻过程产生的挥发性有机污染物的组成。

Zn-diffused high power 650 nm AlGaInP/GaInP material with compressively strained multi-quantum-well active layer was fabricated. The zinc diffusion was used on the material facet in a sealed quartz tube. Photoluminescence spectra shows 175 meV blue-shift in the Zn diffusion area, which is transparent for 650 nm laser emission.

利用石英闭管法对金属有机化学气相沉积外延生长的应变量子阱650 nm AlGaInP/GaInP材料进行选择区域扩Zn，使扩Zn区域的光致发光谱的峰值蓝移达175 meV，形成对650 nm波长激光器的高透腔面，有益于减少激光器腔面光吸收，增加了激光器退化的光学灾变损伤阈值。

Laser technique ; polarization insensitive ; semiconductor optical amplifier ; strained quantum well ; metalorganic vapor phase epitaxy

激光技术；偏振无关；半导体光放大器；应变量子阱；金属有机化学气相外延法

We sample from indoor air using silonite coated canisters, preconcentrate low level samples utilizing three stages focuser,analyze VOC in indoor air with GC/MS equipment.

采用硅烷化处理内壁的不锈钢采样罐采集室内空气样品，三级冷阱预浓缩，气相色谱-质谱仪联用分析室内空气中挥发性有机物。

The estimated tunneling probability of the H13 proton from one well to another well shows that the life time of the proton staying in one of these wells is about 6×10^2 a. It is too long to let tautomers of cytosine be in thermodynamical equilibrium in a room temperature gas phase experiment.

估算出的H13质子从一个势阱到另一个势阱的穿透几率表明质子呆在其中一个势阱中的寿命大约是6×10^2 a，这使胞嘧啶和它的顺式亚胺式互变异构体在室温气相实验中远不能达到热平衡。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。