查询词典 alkali grass

Benzimidazoline as a new tetrahydrofolate coenzyme model to perpare alkali can bring a byproduct N, N\'-dimethylaniline, this byproduct can be recycled to produce benzimidazoline as raw materials.

这种新的仿生合成方法，以羧酸和卤代物为起始原料制备四氢-β-咔啉类化合物，可为工业生产β-咔啉类生物碱提供更为方便的条件。

Process technology for manufacture of δ-layered crystalline sodium disilicate using dilute alkali liquor and acidic silica residue ,which are waste effluents from zirconium oxychloride production,with supplement of a small amount of quartz sand was studied.

利用氯氧化锆生产过程中排放的稀碱液、酸性硅渣辅加少量石英砂，研究了δ-层状结晶二硅酸钠的制备工艺，得到较佳合成工艺条件为：反应液配比M=n(S iO2)/n(Na2O)=2。

Sodium hypochlorite a kind of Strong alkali weak and sour salt which is dissoluble perfectly.

项目内容：次氯酸钠属于强碱弱酸盐，它清澈透明，是一种能完全溶解于水的液体。

In this paper,the experimental study result of the dissolvable alkali is presented.

花岗岩本身含有5%～10%的碱，这些碱有一小部是可以参与碱骨料反应的，它对花岗岩骨料的碱活性会产生一定的影响。

The mechanism of dioxygen oxidation of 4-nitrotoluene-2-sulfonic acid to 4,4'-dinitrostilbene-2,2'-disulfonic acid in alkali solution under mild condition was investigated.

探讨了在温和条件下在碱的水溶液中氧气液相氧化 4-硝基甲苯- 2 -磺酸制取 4，4'-二硝基二苯乙烯- 2 ，2 '-二磺酸的反应机理，发现 4-硝基甲苯- 2 -磺酸在碱作用下发生离子化生成 4-硝基- 2 -磺酸基苄基阴离子，然后被活化的分子氧氧化成 4-硝基- 2 -磺酸基苄基自由基是反应的关键步骤。

Results showed that the monomer conversion increased slightly in the presence of the crosslinking agents The size of particles decreased slowh as the amount of cmsslinking agent increased.and the size distribution of the particles broadened at a higher amount of cmsslinking agent Divinyl benzene was more effective than ethyl glycol dimethyl methacrylate to make polymer crosslinked.During alkali treatment process,void latex particles can be obtained when no DVB or less than 0.5 wt％ of EGDMA was used,while muhihollow structure was generated when DVB or more than 1.0 wt％ of EGDMA was introduced.The volume expansion of the particles decreased with increasing the amount of emsslinkirlg agents.

结果表明，体系中加入交联剂后，单体转化率都有不同程度的提高；随交联剂用量的增加，乳胶粒粒径略有减小，交联剂用量较高时，乳胶粒粒径分布加宽；二乙烯基苯的交联效率稍高于双甲基丙烯酸乙二醇酯；不加入交联剂及EGDMA用量低于0.5%时，处理后乳胶粒呈空腔结构，加入DVB及EGDMA用量高于1.0%时，处理后乳胶粒呈多孔结构，并且乳胶粒体积增量随交联剂用量的增加而减小。

To prevent the damage of concrete containing reactive dolomitic rocks, high volume of admixtures must be incorporated into low alkali cement concrete.

为防止碱-碳酸盐反应膨胀破坏，必须在采用低碱硅酸盐水泥的同时掺加大量的混合材。

The dregginess of calcium carbide, alkali wastes sludge and ammonia were also used as sorbent to research their desulphurization performance on the test facility.

本论文还对电石渣、废碱渣和纯氨等脱硫剂在循环流化床内的脱硫性能进行了初步研究，取得了较满意的结果。

Argazol EC reactive dyes have excellent compatibility. It has excellent stability, especially suitable for sensitive shades such as olive, coffee, gray and so on . Argazol EC reactive dyes are highly stable to liquor ratio, salt , alkali, fixation time, so dyehouse can get excellent reproducibility.

雅格素 EC型活性染料具有优异的配伍性，卓越的稳定效果，适合染橄榄绿、咖啡、灰色等较难染的颜色，对浴比、温度、盐、碱及固色时间的敏感性小，有优异的染色重现性，配合合理的工艺，能充分满足工厂高的&一次染成率&的要求，具备优良的各项牢度。

Meanwhile, Elaeagnus angustifolia L. had good saline-alkali tolerance, drought resistance and flood resistance.

同时沙枣在吉林地区同样具有较好的抗盐碱、抗旱涝性。

We got alerted a couple of times while we were down south that HETs were on the way to bring us back up north because things were going to go hot again, but it was just rumors.

南下的途中我们不只一次得到警告说重型装备运输车将拉着我们重新北上，因为局势正在变得重新紧张起来，但这只是谣传。

It's the one where they find the ghost in the salt mine.

这一集是演他们在盐矿找到鬼