锗

In first part of the dissertation, we focus on the growth of diamond on SiGe substrate.

第一个主题是探讨钻石在矽锗基材上的成长。

The invention relates to a process for producing polyethylene terephthalate 1, 3-propanediol, which comprises the following steps: using titanic acid ester as major catalyst, using germanium compounds and cobalt compounds as synergic catalyst, conducting esterification reaction for poly terephthalic acid and 1, 3-propanediol according to the molar 1:1.05-2.2 under the nitrogen pressure of 0.1-0.4MPa and 230-265 DEG C, or conducting ester exchanging reaction for poly terephthalic acid and 1, 3-propanediol according to the molar ratio 1:1.8-2.2 in 160-220 DEG C, decompressing reaction to high vacuum 10-150Pa, wherein the final temperature of reaction is 265-275 DEG C, recovering to normal pressure with nitrogen to obtain the PTT product.

本发明涉及一种生产聚对苯二甲酸1，3-丙二醇酯的方法，采用以钛酸酯为主催化剂，锗化合物和钴化合物为协同催化剂，对苯二甲酸二甲酯和1，3-丙二醇按摩尔1∶1.05-2.2，在0.1-0.4MPa氮气压力和230-265℃下进行酯化反应，或对苯二甲酸二甲酯和1，3-丙二醇按摩尔比1∶1.8-2.2，在160-220℃进行酯交换反应，将反应减压至高真空10-150Pa，反应终温在265-275℃，用氮气恢复到常压，得到本PTT产品；大大缩短了反应时间，直接聚合制备特性粘度在0.7-1.05dL/g的PTT切片，使反应产物色相良好，PTT产品可用于纤维加工及工程塑料领域。

Effective mobility and Field effect mobility would also present in comparison to the universal curve related to Si-based transistors at last.

压轴出现的是锗基板上等效载子迁移率( effective mobility， meff )以及场效载子迁移率( field effect mobility， mEF )与矽基板电晶体的宇宙曲线比较结果。

The high-pressure mercury vapor lamp according to the invention is remarkable in that germanium and oxygen are added in small quantities to the mercury and/or the mercury halides.

根据本发明的高压汞蒸气灯的显著之处在于给汞和/或卤化汞添加少量的锗和氧。

To have a systemic understanding, we study photoemission、theoretics of photon、theoptical wave-particle duality, beginning with essence of light.

它主要应用于硅、锗、砷化镓和其它半导体衬底材料的划槽和切割，特别适用于单晶硅、多晶硅、非晶硅太阳能电池的切割。

The preparation process of stable sols containing various codopants, such as germanium and ytterbium are presented.

提出了制备稳定的多掺杂组分溶胶的方法，包括锗、镱等杂质。

Germanate glasses in CaO-BaO-Al2O3-SiO2-GeO2 system with the yttria contents of 0-6.84% were prepared by conventional melt quenching technique. The effects of yttria contents on structure and properties of the glass system were investigated.

采用传统熔体冷却法制备氧化钇含量为0~6.84%系列的多元锗酸盐玻璃，研究氧化钇含量对CaO-BaO-Al2O3-SiO2-GeO2玻璃系统的性能与结构的影响。

The method is sensitive, selective and has been applied to determine the trace germanium in flue dust and zinc concentrate with satisfactory results.

方法灵敏，选择性较高，用于烟道灰和锌精矿中微量锗的测定，结果满意。

The Au/AuGe(88/12)/Au back-contact metal structure was deposited on the GaAs substrate using an electron-beam evaporator. Various post thermal treatments were employed including conventional furnace and rapid thermal annealing. It was found that the outer Au layer thickness and furnace annealing temperature had large effects on the specific contact resistance.

在实验中我们在砷化镓基板背面进行蒸镀背金结构，而此背金结构是由三层金属所组成，分别为金/锗(12%)金(88%)/金，我们控制最外层金的厚度来量测与观察特徵接触电阻的大小，同时改变炉管加热的温度与快速热退火系统做比较，背金结构之元素分布比较可由欧杰电子分析得到，而扫描式电子显微镜可分析其两者之间的表面形貌差异。

ObjectiveTo investigate the antiangiogenesis effect of the ascorbic Acid SesquioxyGe on chicken embryo chorioallantoic membrane.

目的研究抗坏血酸有机锗倍半氧化物对鸡胚尿囊膜血管生成的抑制作用。

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。