The iodometric titration was used to determine the oxida- tion state of Fe ions and the oxygen nonstoichiometry in La1-xSrxFeO3-δ.

用FTIR中文字幕毛片、TG-DTA欧洲A片、XRD等對產(chǎn)物形成過程及結(jié)晶學(xué)特征進(jìn)行了研究，考察了合成樣品與Sm0.2Ce0.8O1.9的化學(xué)相容性亚洲乱伦视频乱乱；利用碘滴定法測定了該系列產(chǎn)物中Fe元素的平均表觀化合價和氧的非化學(xué)計量值网友自拍日韩视频在线观看。

The metallograph, x-ray diffraction, TEM, EMPA and XPS technigues were used to research the microstructure, phase structure, microhardness, composition, Valence of composed elements, internal stress of coatings, and to measure the wear-resistance and resistance to high-temperature oxidation, too.

文中應(yīng)用金相分析、X-射線衍射法色偷偷色噜噜狠狠网站老女肥、透射電鏡国产精品4huWWW、電子探針顯微分析法和X-射線光電子譜法等手段研究了N膜的顯微組織、相結(jié)構(gòu)人妻偷拍有码中文、顯微硬度日本特毛AAAAAA片、膜層成分、組成元素的價態(tài)和膜層內(nèi)應(yīng)力等性能色站在线直播；還測定了鋁合金表面的N膜的耐磨性和抗高溫氧化性能91嫩草国产在线看网站。

In order to check the reliability of our results, AAS as well as NAA was used.

微量元素在體內(nèi)的行為并非獨立的，其吸收利用還受其它元素的影響国产精品日产欧美久久久。

On the other hand, the correlation between the migration of above elements and plant transpiration were studied, exemplified by a typical plant Vitex negundo grown under different geological backgrounds.

同時超AAAA级毛片，以不同地質(zhì)背景生長的典型植物黃荊為例，研究了上述元素的遷聚與植物蒸騰作用的相關(guān)性一级一级A片。

The compounds after nitrogenation had a high Curie tempterature due to the addition of Co.

試驗獲得的磁粉具有高的居里點513.56℃欧美一纹一级a做片性视频，這可能與合金Co元素的加入有關(guān)。

From the literatures reported, the study of polarographic catalytic wave for inorganic metal ions has made a great progress.

從國內(nèi)外報道的極譜催化波文獻(xiàn)來看欧美福利网站一区，無機(jī)金屬離子的催化波研究已取得了很大進(jìn)展爱情岛论坛首页亚洲啪啪，有平行催化波国内精品无码视频一区，絡(luò)合物極譜催化波和鉑族元素的氫催化波等多種類型。

It provides programmatic tools for dynamically loading project elements by reading the contents of a project file without any recompilation of any assembly.

該軟件提供用于通過在不需要任何重新編譯的情況下讀取項目文件內(nèi)容的方式動態(tài)地載入項目元素的規(guī)范化工具护士黄色网站。

Everything in the world is not a pure substance, a single element of the ink of repellency.

寰宇到差何事物都不是駁雜的獨一元素的精神二区黄色视频，油不朱的斥火性也是這樣。

Phosphorus for corn under drought stress the impact of physiological characteristics - 05 graduates graduation session Abstract: In this experiment through the water culture method to cultivate maize seedlings will be planted corn seeds in the absence of P elements in the culture medium of Deficiency, the reprovision of a phosphorus-containing culture medium only for watering.

磷對于干旱逆境下玉米生理特征的影響——05屆本科畢業(yè)生畢業(yè)論文摘要：本實驗通過水培法來培育玉米幼苗最新进精品视频一区二区三区瑟色，將玉米種子栽種在缺少磷元素的缺素培養(yǎng)液中3P视屏，另配一份只含磷的培養(yǎng)液用于澆灌。

However, it is noticed that tetrabutylammonium iodide,〓 has an ability to reduce the steric effect of the higher members of ketones in this reaction.

分離系數(shù)是表示萃取分離效果的重要參數(shù)国产毛片爽爽影院无码，它是在同一萃取體系中兩種不同元素的萃取平衡常數(shù)或萃取分配比的比值美女被操污黄视频。