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By summer of 2010, collaborators hope to have about three times more germanium nuclei sitting near absolute zero at Soudan, patiently waiting for WIMPs to provide the perfect billiard ball shots that will offer compelling evidence for dark matter.

到2010年的夏季,研究者们希望在Soudan拥有大约多3倍的冷至绝对零度附近的锗核,并耐心等待WIMPs给出像台球一样的完美撞击,以提供令人信服的暗物质存在的证据。

By summer of 2010,collaborators hope to have about three times more germanium nuclei sitting near absolute zero at Soudan,patiently waiting for WIMPs to provide the perfect billiard ball shots that will offer compelling evidence for dark matter.

到2010年的夏日,切磋者们期望在Soudan拥有年夜略多3倍的冷至绝对零度附近的锗核,并耐心等待WIMPs给出像台球一样的完满撞击,以供给令人佩服的暗物质存在的证据。

The efficiency curve was fit using least-square method. The empirical formula of the efficiency curve slope of Ge detectors relative to their sensitive volume-S = a log + b -has been demonstrated in extremely large sensitive volume range. Using thisformula it can be estimated that the full en...

在极大的灵敏体积范围内,验证了锗探测器效率曲线斜率与其灵敏体积关系的经验公式:S=alogV+b,采用本公式可在小于3%的相对误差范围内,对已知灵敏体积的同轴HPGe探测器的全能峰效率随γ射线能量的变化作出估价。

Compared to the germanium, a common material used in infrared field, chalcogenide glasses possess the characteristics of low-cost and the little value of dn/dt. Besides, it is amorphous glass, which is produced the spherical and aspheric lens by using a molding process instead of single-point-diamond turning. Thus the mass manufacture cost of infrared lens will drop obviously, the stability and consistency of product is guaranteed.

相对于红外领域常用的材料单晶锗,硫系玻璃不但具有低成本,折射率随温度变化小的特点,而且,由于它是非晶态材料,可以用精密的模压工艺来代替用于晶体材料的单点金刚石车削工艺,其批量加工的成本得到了大幅的降低,产品的稳定性,一致性也得到了明显的提高。

Content of Chla,β-carotene and zeaxanthin of S. platensis grown in Se decreased, violaxathin, fucoxanthin, 19'-hexanoyloxyfucoxanthin and peridinin increased, Chla and Chlb of D. salina also decreased, but carotene increased, all pigments of D. zhanjiangensis increased except violaxanthin and 19'-hexanoyloxyfucoxanthin decreased. Effect of Ge on pigments of microalgaes were different in different algaes: Chla,β-carotene and zeaxanthin of S. platensis decreased, three other carotene increased, in D. salina, violaxanthin and lutein decreased, violaxathin, fucoxanthin and 19'-hexanoyloxyfucoxanthin increased, all pigments of D. zhanjiangensis increased except fucoxanthin and peridinin decreased; Chla,β-carotene and violaxanthin of Chlorella sp increased, but fucoxanthin and peridinin decreased.

暴露于硒中的钝顶螺旋藻(S.platensis)的叶绿素A、β-胡萝卜素和玉米黄素的含量都减少,岩藻黄素、19'-乙酰氧化岩藻黄素、多甲藻素和紫黄素的含量明显增加,盐生杜氏藻的叶绿素类也减少,但类胡萝卜素的含量则增加,湛江叉鞭金藻(D.zhanjiangensis)中除紫黄素和19'-乙酰氧化岩藻黄素有减少外,其它色素都增加;锗对四种微藻光合色素的影响也不尽相同,钝顶螺旋藻(S.platensis)的叶绿素A、β-胡萝卜素及玉米黄素含量减少,岩藻黄素、19'-乙酰氧化岩藻黄素和紫黄素的含量增加,盐生杜氏藻中除紫黄素和叶黄素有增加外,其它色素都减少,湛江又鞭金藻(D.zhanjiangensis)正相反,除岩藻黄素和多甲藻素有减少外,其它色素都增加,小球藻的叶绿素A、β-胡萝卜素和紫黄素增加较大,但岩藻黄素和多甲藻素则减少。

One monolayer of CSB deposited on Au/Ge(111)-√3 at 220 K followed by cooling to 100 K leads to the formation of a well ordered (2×1) structure as observed by LEED. The TPD spectra for CSB thermal desorption from Au/Ge(111)-√3 exhibit showed two well-resolved peaks at Tp = 243 and 274 K corresponding to multilayer and monolayer desorption, respectively.

我们也尝试利用LEED观察二苯乙烯吸附在(√3×√3)R30°表面的规则排列,并且成功看到(2×1)的LEED绕射图谱,另外我们也架设一组氦氖雷射来测定表面上吸附物的光学反射率变化,在金属覆盖的锗(111)单晶表面上,确定Au覆盖量不同会造成反射的变化。

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。

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推荐网络例句

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。

Store this product in a sealed, lightproof, dry and cool place.

密封,遮光,置阴凉干燥处。