The isomerization reaction of propylene oxide to produce allyl alcohol catalyzed by basic lithium phosphate was studied.

研究了環(huán)氧丙烷在堿性磷酸鋰催化作用下異構(gòu)化生成烯丙醇反應(yīng)過程国产黄片免费看看，考察催化劑的制備條件无码视频亚洲一区，異構(gòu)化溫度對催化性能的影響精品福利在线视频，以及催化反應(yīng)機(jī)理和動力學(xué)特性免费亚洲爱爱视频。

A new catalytic kinetic method with second derivative oscillopolarography detection for determining trace amounts of NO〓〓 has been developed. The method is based on the catalytic oxidation of Amarath by potassium bromide in the diluted H〓SO〓. The detection limit of the method is 2.8×10〓g/ml, the linear range of the determination 〓is 0.6～14ng/ml for NO〓.

首次研究了雞冠紅的示波極譜行為国产一级一级理论片A片一区二区，并發(fā)現(xiàn)NO〓〓在稀硫酸介質(zhì)中對KBrO〓氧化雞冠紅褪色反應(yīng)具有強(qiáng)的催化作用呻吟av影院，本文采用兩階導(dǎo)數(shù)示波極譜法作監(jiān)測技術(shù)操操操b，測定了該催化體系的表觀反應(yīng)級數(shù)及動力學(xué)方程，建立了催化動力學(xué)伏安法測定痕量NO〓〓的新方法男女无遮挡毛片视频免费。

Mechanism of catalyzed oxidation of SO2 with pyrolusite suggested that the process was combined catalysis in the presence of Mn and Fe both in solution and solid.

軟錳礦催化脫硫的機(jī)理分析表明免费看一级A片在线看手机，過程是液相Mn、Fe協(xié)同催化與固相催化作用相結(jié)合亚洲精品性爱视频。

A simple and highly sensitive new kinetic catalytic fluorimetric method was proposed for the determination of trace chromium,based on the catalytic effect of trace amounts of chromium on the oxidation of Pyronine Y by hydrogen peroxide in acetic acid-sodium acetate buffer medium leading to a decrease in the fluorescence intensity.

在HAc-NaAc緩沖體系中国内自拍和偷拍，痕量鉻對過氧化氫氧化吡咯紅 Y的氧化還原反應(yīng)有催化作用，使吡咯紅 Y熒光減弱又污又色又吃胸的视频，據(jù)此建立了催化熒光法測定痕量鉻的新方法91.com麻豆，同時考察了該催化反應(yīng)的最優(yōu)條件及動力學(xué)性質(zhì)。

The effect of catalyzator on yielding of coal conversion was analyzed.The results show that the formation of volatile matter is raised by using differen...

KMnO4日本黄色网站一级片，F(xiàn)e2O3国产女同精品一区二区三区，MnO2的催化作用機(jī)理與其空價層原子軌道有關(guān)，CaO的催化作用機(jī)理與其本身的堿性特征有關(guān)外国黄色视频九九。

In this field, the absorption on solid surface is the indispensable step of heterogonous catalysis, and the most widely applied catalysis is the one of gas on solid.

據(jù)統(tǒng)計182黄色网站入口，世界上85%的化學(xué)制品要依靠催化反應(yīng)制得，而催化與吸附關(guān)系密切精品三级av无码一区蜜芽，其中固體表面的吸附是多相催化的必經(jīng)步驟国内毛片网址?，應(yīng)用的最為廣泛的是氣固相的催化作用。

The mathematic relationship between coking coal's characters and coke reactivity index and coke strength after reaction was studied.Main effect factors were analyzed by dynamics model formed by metaplast and mesophase.Taking metamorphic degree of coal, coal maceral, caking property, ash and the content of K_2O and CaO as independent variable, forecasting model was set up by the coking tests with 25 kinds of coals used in the industries.It concludes that exinite in coal makes CRI increase and CSR...

以研究煉焦煤性質(zhì)與焦炭反應(yīng)性国产三区精品免费视频、反應(yīng)后強(qiáng)度之間的數(shù)學(xué)關(guān)系為目的www.ggzhyc.com，通過膠質(zhì)體和中間相形成動力學(xué)解析導(dǎo)出模型的主要影響因子，以煤的變質(zhì)程度一级黄片;一被-、煤巖組成久久免费看片一级、粘結(jié)性、灰分及K2O和CaO含量等因素為自變量女人自慰喷水的网站，由25種工業(yè)用煤的煉焦試驗(yàn)亚洲国产精彩视频，建立出預(yù)測模型，并得出殼質(zhì)組使反應(yīng)性增大及反應(yīng)后強(qiáng)度降低国产性行为视频；K2O催化作用強(qiáng)于CaO97免费视频人妻无码一区，且兩者的催化作用均隨煤的變質(zhì)程度不同而不同等重要結(jié)論。

We discuss the mechanism of trimerization of nitriles catalyzed by organolithium compounds and study the catalystic characteristics. Using this new method, the yield of triazines is greatly improved.

另外久久这里精品12，實(shí)驗(yàn)探討了有機(jī)鋰化物對芳香腈三聚反應(yīng)的催化作用国产手机小视频看片，得到了較高的產(chǎn)率，同時国产专区网站，研究了它的作用機(jī)理和催化性能欧美一级情欲视频。

These compounds, properly designed, can be 1～2 orders of magnitude more surface active than surfactants with a single corresponding hydrophobic and a single corresponding hydrophilic group in the molecules. In this work, selected trimeric surfactant TNP is first synthesized.

本文研究了Gemini表面活性劑GNP和GTB用于脂肪酸酯的堿性水解催化作用，測定了水解速率常數(shù)和反應(yīng)活化能美女黄色福利视频，從動力學(xué)機(jī)理上說明了所合成的Gemini表面活性劑對脂肪酸酯水解反應(yīng)有明顯的膠束催化作用女同一区二区三区。

Under elec trodes, elec trochemical reaction will combin e with chemical catalysis reaction,which will lead to the elec trochemically and catalytically degradation of organic molecules.

在電極的作用下jiuse901，電化學(xué)反應(yīng)和化學(xué)催化作用結(jié)合，可導(dǎo)致有機(jī)分子的電催化降解免费性爱a片在线。