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固体化

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Carboxymethyl fenugreek gum with different degree of substitution was synthesized with NaOH and sodium monochloroacetate powder as the basifying and etherifying agents.

通过加入NaOH与一氯乙酸钠固体进行香豆胶的碱化和醚化,制备了不同取代度的羧甲基香豆胶。

Composting is becoming the more and more important method for disposing the solid wastes in many countries.

城市固体废弃物的堆肥化处理已经成为各国越来越重视的方法。

The consecutive diffusion reaction in porous catalyst particles is a very important kind of chemical reactions,such as hydrolysis,halogenating,and oxidizing reactions.

在多孔固体催化剂颗粒中的串连扩散反应是非常重要的一类化学反应,如水解反应,卤化反应和氧化反应等。

Acidic aqueous ferric sulfate was abstained by heating maturating, dissolving and filtration process of mixture of pyrite cinders and sulfur acid.

摘 要:硫铁矿烧渣是硫酸制备过程中产生的固体废弃物。将硫铁矿烧渣与硫酸混合后,经过熟化、水溶、过滤得到酸性硫酸铁溶液。

Moreover, copper ions were isolated as hydroxides, which is beneficial to the separation of copper from nitrated products.

而且,硝化过程中铜以氢氧化物固体沉淀的形式析出,便于与硝基化产物分离。

Results The SiO2-ZrO2 composites were calcined at 200℃ prior to sulfating, the concentration of sulfuric acid was 1.0 mol/L ,the molar ratio of Si and Zr was 15, the calcination temperature was 500℃, the molar ratio of ethynol and lactic acid is 3/1, the yield of the ester could reach 92.7%.

结果SO4^2-/SiO2-ZrO2固体超强酸催化乳酸乙酯的合成反应适宜的反应条件为:预焙烧温度为200℃,浸泡硫酸浓度为1.0mol/L,硅锆摩尔比为15,焙烧温度为500℃,醇酸比为3时,酯化率可达92.79/6。

A novel superacid catalyst, SO〓/Zr-ZSM-11, has been prepared by sulfating the Zr-ZSM-11 and then calcined at high temperature.

通过硫酸化处理Zr—ZSM—11分子筛得到SO〓/Zr—ZSM—11固体超强酸催化剂。

Whether a kind of catalyst is superior or not, needs to be valuated by certain experiment.

摘 要:通过多种渠道对自行研制的固体酸催化剂的烷基化反应进行了考察。

Measurements were taken for the solids volume fraction distribution on different cross sections under various solids flux and fluidization air flow rates, and the flow characteristics of the gas-solids flow in the bed were acquired.

在颗粒流量和流化风量变化的情况下测量了不同截面固体颗粒体积份额平均值的变化,得到了下行床内气固流动规律。

Keywords high speed steel tool;phosphate;solid lubricant coat;cutting

高速钢刀具;磷化;固体润滑涂层;切削

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推荐网络例句

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸,那乌黑、忧郁的眼睛,她便会相信,他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失

But because of its youthful corporate culture—most people are hustled out of the door in their mid-40s—it had no one to send.

但是因为该公司年轻的企业文化——大多数员工在40来岁的时候都被请出公司——一时间没有好的人选。