查询词典 germanium

The high rotten coal (including the anthracite and meager coal ) radioactive level is relatively low,( 238U: 29.1Bq/kg , 232Th: 25.9Bq/kg , 226Ra: 37.5Bq/kg), obviously lower than the radioactive levels of the brown coal and bituminous coal, and fluctuating range little relatively stable until Lincang uranium germanium colliery HeKai Tian little dragon's pool power plant make , investigate than right far correctly, prove natural radioactive nuclide (238U , 232Th , 226Ra ) than activity transformation in the course of utilizing and give locality radiate influence that environment bring.

高变质煤放射性水平相对较低，（238U：29.1Bq/kg、232Th：25.9Bq/kg、226Ra：37.5Bq/kg），明显低于褐煤和烟煤的放射性水平，且波动范围较小、相对稳定通过对临沧铀锗煤矿田和开远小龙潭电厂作出调查比对，说明了天然放射性核素（238U、232Th、226Ra）比活度在利用过程中的转移以及给当地放射环境带来的影响。

In this dissertation,preparation and thermoelectric characterization of conventional silicon-based materials and devices have been studied, including amorphous silicon films, polycrystalline silicon germanium films and amorphous silicon thin-film-transistors. A novel MEMS-IC integration method based on porous silicon micromachining has been developed, which is used to fabricate resistive bolometers with a-Si and polySiGe films, and a-Si TFT-based room-temperature infrared detector pixels and 8×8 arrays with primary capability of thermal imaging have been reported for the first time.

本文深入系统地研究了a-Si薄膜、polySiGe薄膜和a-Si TFT等三种常规硅基材料和器件的制备方法和热电特性，开发了一套新型的基于多孔硅牺牲层技术的MEMS-IC集成工艺，利用该工艺成功地制作了a-Si和polySiGe薄膜电阻式测辐射热计，在国际上首次提出并实现了基于a-Si TFT的室温红外探测器单元与8×8阵列原型，器件初步具备了室温红外热成像的能力。

The measurements clearly pointed the way to optical communication compact gallium-arsenide semiconductor lasers as the source, low-cost cladded glass fibers as the transmission medium, and silicon or germanium semiconductors for detection.

测试结果清楚地指出了光通信的道路--就是以紧凑的砷化镓半导体激光器为光源，廉价的包层光纤为传输媒质，硅或锗半导体为探测器。

Calculations of the detection limits show that a higher sensitivity is available with a planar germanium detector and a nickel sulfide fire assay.

探测极限的计算结果表明：镍锍试金预富集并用平面锗探测器测量，可获得更好的分析灵敏度。

Proven deposits of coal, iron, germanium, gallium, manganese, limestone, granite and so on more than 10 kinds, especially in the high calcium limestone, high-grade magnesium-rich dolomite and iron ore reserves for the most.

矿藏已探明的有煤、铁、锗、镓、锰、石灰石、花岗岩等10多种，尤以高钙石灰石、高品位富镁白云岩和铁矿石储量为最。

In the content of 7 millionths of the Earth's crust, so germanium containing 11 kinds of precious rare elements.

在地壳中的含量为一百万分之七，所以锗含十一种珍贵的稀有元素。

A contemporary TI press release about the TR-1 calls the components "n-p-n grown junction, germanium triodes."

一则关于TR-1的当代TI新闻发布稿称，这种新型的元器件是&n-p-n生长的结，也就是锗三极真空管。&

The middle and long wave infrared optical constants of evaporated films,such as germanium,zinc sulphide,low absorption rare earth fluoride,etc,were obtained by fitting the transmission spectrum based on classical Lorenz oscillator model.

使用经典洛伦兹谐振子模型对热蒸发制备的锗、硫化锌以及低吸收稀土氟化物薄膜的红外透射光谱进行拟合，得出这些材料在中长波红外区的光学常量。

By using Three-Arm Equilength Y-Mase test, the learning and memory ability of spatial discrimination was studied on aged mice after lysine germanium (Ge-401) ad ministration.

老年人中有不同程度智力障碍者约占65岁以上老人的10％，国内外目前尚缺乏有效的防治方法。

The external diameter of a quartz liner is determined to be 36-46mm, the inner diameter to be 32-40mm and the length of the liner to be 1.45-1.85m for the process of PCVD. Parameters of a processing technology are that the high frequency power of a microwave resonator is controlled to be 6KW-15KW and the deposition temperature is 1080-1130 degree Celsius. The variety of mixed air flowing through the liner includes silicon tetrachloride vapor, germanium tetrachloride vapor, high-purity oxygen and Freon. The inside pressure of the liner is 10-15millibar. The air flow rate inside the liner is

取石英衬管的外径为36～46毫米、内径32～40毫米，衬管长度1.45～1.85米，进行PCVD加工；加工工艺的参数为：微波谐振腔的高频功率控制在6KW～15KW，沉积温度1080℃～1130℃，流经衬管管内混合气体的种类：四氯化硅蒸气、四氯化锗蒸气、高纯氧气、氟里昂，衬管的管内压力为10-15毫巴，管内气体流速为30-80米/秒，气体体积流量为4400SCCM-8800SCCM。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。