查询词典 formaldehyde solution

Phenolic-doped melamine-formaldehyde aerogels were investigated by adding resorcin to MF sol before the formation of crosslink. The solvents in wet gel were then exchanged with ethanol.

以三聚氰胺和甲醛为原料制备MF气凝胶，在凝胶化过程中加入酚类化合物对MF体系进行改性，获得相应的湿凝胶，湿凝胶经超临界干燥，制备出密度为最低可达50 kg·m-3的酚改性MF气凝胶。

The effect of ethanol, urea-formaldehyde resin, melamine and flame retardant of resistance to water and fire was studied.

研究了乙醇、脲醛树脂、三聚氰胺和阻燃剂对涂料耐水、阻燃性能的影响。

Moreover, its light weight, easy handling, non-toxicity, no formaldehyde make itself, instead of the traditional glass wool and rock wool, your ideal choice.

另外，高性能保温、吸音棉质量轻、易操作，无毒，不含甲醛，是玻璃棉、岩棉等传统保温、降噪材料的理想替代品。

In the experiment,glass chest was used to simulate indoor roomage environment.The formaldehyde concentration in the simulative room was measured by the method of acetyl acetone with spectrophotometer.

实验以玻璃箱模拟室内空间环境，应用乙酰丙酮分光光度法和邻苯三酚自氧化法测定在不同甲醛含量下芦荟对甲醛的吸收及其体内过氧化物酶活性的变化情况。

In process of germinating, the use of lime and formaldehyde had great importance for germiciding, enhancing the germination and inhibiting the growth of rootlet.

发芽过程中生石灰、甲醛的使用对杀菌、促进发芽、抑制根芽生长起到重要作用，所制麦芽比较适合做小麦啤酒。

Hereinto, Tyr-Fal was prepared from L-tyrosine and formaldehyde under alkaline conditions.Firstly, a new multi-functional film with well-defined layered structure was fabricated from Tyr-Fal and PEI via LbL method. Experiment revealed that this Tyr-Fal/PEI multilayer film emit yellow fluorescence under UV radiation. The ability of the Tyr-Fal/PEI multilayer film for adsorbing rosaniline improved after UV-exposed, which can be used in preparing micropattern.

然后以Tyr-Fal为结构单元，通过静电力自组装构筑了两种功能性的酪氨酸基多层膜：(1)利用Tyr-Fal与聚乙烯亚胺间的静电力构筑了结构稳定、有序、能在紫外光照射下发出耀眼黄色荧光的聚乙烯亚胺/酪氨酸缩甲醛超薄膜。

Able to absorb formaldehyde plants are orchids pleiones sansevieria, such as Cymbidium, and Monstera.

能够吸收甲醛的植物还有兰花、一叶兰、虎尾兰、大花蕙兰和龟背竹等。

Chlorophytum, aloe vera, Sansevieria able to absorb a large number of indoor pollutants such as formaldehyde, eliminate and prevent indoor air pollution

吊兰、芦荟、虎尾兰能大量吸收室内甲醛等污染物质，消除并防止室内空气污染

Silver bud taro Chlorophytum, aloe vera, sansevieria absorption of formaldehyde.

银苞芋吊兰、芦荟、虎尾兰吸收甲醛。

Excellent physical and chemical properties and environmental quality, non-toxic, odorless, mildew, alkali resistance, Sassafras washing, 3 hours in addition to formaldehyde at the rate of more than 85% of bacteria and viruses have a certain extent, effective clean indoor air .

具有卓越的的理化性能和环保品质，无毒、无味、防霉抗腐、耐碱、耐檫洗，3小时除甲醛率在85%以上对细菌和病毒有一定的抑制作用，高效清新室内空气。

The use of the web to spread fears that flicking the switch on the LHC could create a Black Hole that could swallow up the Earth particularly concerned him, he said.

他说，使用互联网散布恐慌说启动LHC会生成一个可能吞噬地球的黑洞的做法让他感到忧虑。

Not a single word have I written down.

我一个字也没有写下来。