查询词典 germanium

BJECTIVE: To examine the antioxidative effect of β-carboxyethyl germanium sesquioxide (Ge-132) combined with GSH and VB1 in vivo.

阎明 目的：探讨β-羧乙基锗倍半氧化物(Ge-132)与还原型谷胱甘肽和维生素B1(VB1)联合应用在体内抗氧化的作用。

Objective In search for less toxic and more effective radiosensitizer.The effects of CGEONA (carboxy-β-phenyl-vinyl-germanium sesquioxide sodium salt) on radiosensitivity in tumor-bearing mice and normal mice were investigated.

目的 为了寻找低毒有效的放射增敏剂，观察CGEONA(羧基-苯乙烯基锗倍半氧化物钠盐)对荷瘤小鼠和正常小鼠放射敏感性的影响。

In the first part, two novel methods were proposed for the determination of three kinds of organogermanium compounds βcarboxyethylgermanium sesquioxide,β- carboxyethylgermanium sesquioxide and di-(β-carboxyethyl) germanium hydroxide by using high performance ion-exchange and ion-exclusion chromatography.

第一部分采用高效离子交换和离子排斥色谱法，建立了两种测定三种有机锗化合物β-羧乙基锗倍半氧化物、β-羧乙基锗倍半氧化物、二-锗氢氧化物的新方法。

Methods Thiobarbituric acid colorimetry was used to detect the effects of Glutathion,2-carboxyethyl germanium sesquioxide (Ge-l32) and ascorbid acid on methylmercury-induced LPO in vitro.

方法运用硫代巴比妥酸比色法，检测了谷胱甘肽、羧乙基锗倍半氧化物(Ge-132)、维生素C等对甲基汞在体外诱导的大鼠脂质过氧化产物的影响。

The optimum conditions to synthesizeβ-carboxyethyl organogermanium sesquioxide were established through orthogonal test: the time from beginning to adding sodium hypophosphite was 0.5h; the molar ratio of germanium dioxide, hydrochloric acid and sodium hypophosphite was 1:7.4:1.4; addition reaction time was 1.5h.

用正交试验确定了最佳工艺条件：从反应开始到加次亚磷酸钠的间隔时间0.5h；n：n：n=1 ： 7.4 ： 1.4；加成反应时间1.5h。

Unlike many other researchers who used germanium as the semiconductor material, Shockley believed that silicon was the better material for making transistors.

与许多其他研究人员使用锗谁的半导体材料，肖克利认为是更好的硅材料制造晶体管。

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。

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。

In the 1970s the emphasis shifted to Zaire's reserves of tantalum, wolframite, germanium -- substances vital to semi-conducting electronics.

到了80年代，"IIb型蓝金刚石"将成为世界上最重要的军事资源--而人们认为扎伊尔就有这种蓝金刚石。

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。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。