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- Developing alloy supporters,new Pd-only TWC,transition metal oxides and alkaline earth oxides as promoters will be the research points for TWC. 開(kāi)發(fā)金屬合金載體,以及新型單鈀催化劑、過(guò)渡金屬型或稀土鈣鈦礦型催化劑是今后三效催化劑研究的熱點(diǎn)。
- Developing alloy supporters, new Pd-only TWC, transition metal oxides and alkaline earth oxides as promoters will be the research points for TWC. 開(kāi)發(fā)金屬合金載體，以及新型單鈀催化劑、過(guò)渡金屬型或稀土鈣鈦礦型催化劑是今后三效催化劑研究的熱點(diǎn)。
- This model suggests that an aggregate of atoms with excess barium absorbed on alkaline earth oxides can emit electrons efficiently, which can explain many phenomena observed by modern surface analysis techniques. 此模型提出了堿土金屬氧化物原子團吸附有超額鋇,可以有效地發(fā)射電子。 這觀(guān)點(diǎn)能解釋許多用近代表面分析技術(shù)從氧化物陰極中觀(guān)察到的現象。
- Effects of Alkaline Earth Oxides on the Catalytic Performance of CeO_2 for Oxidative Coupling of Methane (OCM) Reaction 添加堿土金屬化合物對CeO_2甲烷氧化偶聯(lián)催化性能的影響
- Crystal Defect Behaviors in CeO2-based Electrolyte Doped with Alkaline Earth Oxides 堿土金屬氧化物摻雜氧化鈰基電解質(zhì)材料中的晶格缺陷
- Alkaline earth metal Sr,Mg and transition metal Fe-doped lanthanum gallate based ABO3-type oxide La0.8Sr0.2Ga0.75Mg0.20Fe0.05O2.8(LSGMF202005) were prepared by solid state reaction. 采用固相反應法;合成堿土金屬Sr、Mg與過(guò)渡金屬Fe復合摻雜的鎵酸鑭基ABO3型氧化物L(fēng)a0.;8Sr0
- The latter, which appeared in the Tang Dynasty, is to decoct the brine extracted from the ash or alkaline earth in flat plates. “煎鹽”則指提取柴灰或堿土中的鹵水，用淺而闊的盤(pán)熬干以制取鹽，這一專(zhuān)稱(chēng)唐代始見(jiàn)。
- The first crystallized microstructure can be fined though the effect of rare earth oxide on heterogeneity nucle-us. 通過(guò)異質(zhì)核心的作用,能夠細化堆敷金屬中的一次結晶組織。
- This paper discussed the influence of rare earth oxide on fireclay refractory performance by SEM and AES. 本文通過(guò)SEM掃描電鏡及晶相微區分析探討了稀土氧化物對粘土質(zhì)耐火制品性能的影響,研究發(fā)現;
- Rare earth luminescence materials of alkaline earth stannates have also been prepared via thermal decomposition of hydroxo stannate precursors. 利用某些新型帶羥基的堿土錫酸鹽作為前驅體，固相反應合成摻稀土的錫酸鹽發(fā)光材料。
- With alkali-voron-silicon as the basis and addition of alkaline earth composite fluxing agent,a kind of leadless fluxing agent is developed. 以堿-硼-硅系統為基礎,加入堿土金屬氧化物復合助熔劑,研制無(wú)鉛釉上彩熔劑。
- This method could determine many non-REE in enriched-europium mixture rare earth oxide at a time and it was a rapid method. 該方法能同時(shí)測定富銪混合稀土氧化物中多種非稀土元素的含量，提高了分析速度。
- Barium Zirconate; Alkaline earth, transitional metal and rare earth stannates;Complex oxides; Monodisperse; Nanostructures; Solution-based reactions. 01鋯酸鹽;錫酸鹽;復合氧化物;單分散;納米結構;液相合成
- Deposition inversion and pulverization pyrolysis are the better preparation methods on the study of rare earth oxide ultra micro powder. 本文針對稀土氧化物超微粉末的研制,提出較好的制備方法:沉淀轉化法和噴霧熱解法。
- Researches in and application of Lewis acid,Bronsted acid,alkali, alkaline earth and molecular sieve catalysts were described in detail. 對采取烷基化法和?；ê铣?,6-二烷基萘的工藝路線(xiàn),尤其對所使用催化劑的研究進(jìn)展進(jìn)行了評述。
- The process of sol-gel method to prepare alkaline earth aluminate and the properties of the product obtained by this method were discussed in detail. 著(zhù)重對溶膠-凝膠法制備超細堿土鋁酸鹽長(cháng)余輝發(fā)光材料的過(guò)程及得到的產(chǎn)品性能做了詳細闡述。
- The hyphenated technique of high performance liquid chromatography with inductively coupled-atomic emission spectrometry has been studied to analyze the rare earth oxide products. 本工作研究了用高效液相色譜-電感耦合等離子體發(fā)射光譜的聯(lián)用技術(shù)分析稀土混合物的方法。
- Researches in and application of Lewis acid, Bronsted acid, alkali, alkaline earth and molecular sieve catalysts were described in detail. 對采取烷基化法和?；ê铣?,6-二烷基萘的工藝路線(xiàn)，尤其對所使用催化劑的研究進(jìn)展進(jìn)行了評述。
- The results show that increarsing the content of divers fluorides,carbonate and rare earth oxide in flux core will make the content of diffusible hydrogen in weld reduce. 結果表明，適當提高藥芯中多種氟化物、大理石及稀土氧化物含量，將有利于降低焊縫中擴散氫含量。
