As an acidic catalytic materials, molecular sieves or zeolites play an important role in upgrading of FCC fuel, especially in olefin reduction and desulfurization. 分子筛作为酸性催化材料,在燃料油改质、特别在降低催化裂化(FCC)汽油烯烃含量和硫含量等方面发挥了重要的作用。
Survey of the present research state of the influence of acidic aqueous chlorination to architectural materials 酸性水溶液对建筑材料影响现状研究综述
Effects of pH Value on Gelation Time of Acidic Water Glass Grouting Materials pH值对酸性水玻璃灌浆材料凝胶时间的影响
For example, compounds containing phosphorus are converted to acidic materials which catalyze the thermal decomposition of the polymer. 例如,含有磷的化合物可以转变成酸性物质,它会催化聚合物的热分解。
The diagenetic environment was in an open or half-open flow system, which allowed both the charge of acidic fluid from the underlying source rocks and the discharge of dissolved feldspar and other materials. 其成岩环境处于开放或半开放流体系统。这一成岩环境既能保证来源于下伏源岩层系酸性流体的注入,又要允许长石等溶解物质的排出。
By using strongly acidic cation ion exchange resins as catalyst, C4-C6 mixed dibasic acids as materials, dibasic acid dimethyl esters were prepared. 以工业生产尼龙66副产物C4-C6混合二元酸为原料,强酸性阳离子交换树脂为催化剂,合成混合二元酸二甲酯。
Synthesizes a cationic flocculant using simple technology in the presence of acidic catalysts with aniline and formaldehyde as starting materials. 以苯胺和甲醛为原料,在酸性条件下,采用简单工艺合成一种阳离子絮凝剂F。
The factors affecting the quality of phosphorized copper anode used for acidic copper electroplating were discussed, including materials, grain structure, phosphorous content and cleaning of anode surface. 主要探讨了影响电镀铜用磷铜阳极质量的因素,包括原材料、铜晶粒结构、磷含量及阳极表面的清洁。
Isolation of Neutral and Acidic Materials in Tall Oil 塔罗油中中性组分和酸性组分的分离
Effects of Main Frequency Electric Channel Furnace with Acidic Lining on Euro Materials Production 有芯工频炉酸性炉衬对生产欧元材料的影响
Increasing the solvent oil ratio and enhancing the temperature can decrease the refractive index ( RI) of lube oil. But increasing temperature is unfavorable to extraction of acidic materials in the feedstock. 增加溶剂比和升高温度可以降低润滑油的折光率,但是升高温度不利于对原料油中酸性物质的抽提。
There were many kinds of hydrogen bond acidic materials which were used to detect the hydrogen bond basic gases such as never agents, but these materials were not conductive. 虽然现目前已经研制出多种氢键酸性材料用于探测具有氢键碱性的神经毒剂,但这些材料都是不导电的。
Natural polysaccharides are classified as neutral, acidic and alkaline generally, which are the raw materials of most biomedical materials. 天然多糖一般可分类为中性、酸性和碱性多糖,是大多数生物医用材料的主要原材料。
At present, in the field of environmental protection, magnesium hydroxide can be application to the flame retardant, acidic wastewater, heavy metal removal, flue gas desulfurization, etc. Now how can prepare the excellent magnesia materials is one of the important research topics in China. 目前氢氧化镁在环保领域中主要作为阻燃剂、酸性废水处理剂、重金属脱除剂、烟气脱硫剂等进行应用。