查询词典 formaldehyde

Two kinds of MUF resin were chosen, which are sequential-type melamine-urea-formaldehyde MUF resin formulations where the sequence of addition of chemicals followed well-defined species reactivity principles.

文中MUF树脂选用了两种典型树脂，分别是连续型MUF1树脂和非连续型MUF2树脂。

Results Significanly negative correlation was observed between the values of natural logarithm of formaldehyde concentration and time ...

结果在一定时间内测定甲醛浓度的对数和时间变量之间求得的r值在-0.9950～-0.9997之间，二个变量之间相关性显著，为负相关。

Objective To detect the poliovirus inactivation effect of the formaldehyde ultrasonic nebulization sterilizer.

目的检测甲醛超声雾化消毒器对脊髓灰质炎病毒灭活效果。

Objective To study the effects of formaldehyde inhalation on spatial learning abilities and hippocampal neurotransmitters levels of mice, and to explore the neurotoxic mechanism.

目的 探讨甲醛对小鼠学习记忆的影响，并通过测定单胺类神经递质及氨基酸类神经递质含量的变化初步探讨甲醛对学习记忆影响的机制。

Most primary use of it is raw material for melamine formaldehyde resin, which is high hardness, noninflammable, resisting water, heat, aging, electric arc and chemical corrosion, with good insulation performance, gloss and mechanical strength, widely used in wood, plastic, coating, papermaking, textile, leather, electrical and pharmaceutical industries.

最主要的用途是作为生产三聚氰胺甲醛树脂的原料，该树脂硬度较高，不易燃，耐水、耐热、耐老化、耐电弧、耐化学腐蚀，有良好的绝缘性能、光泽度和机械强度，广泛运用于木材、塑料、涂料、造纸、纺织、皮革、电气、医药等行业。

Result of study indicate that high performance natural adhesive have no dissociate formaldehyde release, it is nonpoisonous and environmental protection.

研究结果表明，高性能天然胶粘剂无游离甲醛释放，其胶合产品无毒环保。

By the two-steps synthetic process, the new type resin for the need of developing printing ink could be prepared with rosin, nonyl phenol and formaldehyde.

采用二步法合成工艺，以壬基酚和松香及甲醛为主要原料，合成了松香改性酚醛树脂。

The as-prepared NPG showed high catalytic activity towards the oxidation of formic acid and formaldehyde.

研究发现NPG对甲酸、甲醛的氧化具有很高的电催化活性。

The condensation reaction,in which the yield of intermediate product after refining process was more than 90%,used iso-butylaldehyde and formaldehyde as materials,Et 3N as catalyst.The hydrogenation,in which the conversion of hydroxypivaldehyde and selectivity of NPG were respectively 99% and 95%,used Cu-ZnO as catalyst,and ethanol as solute,meanwhile in the hydrogenation,the impurity in material could also ...

缩合反应采用异丁醛和甲醛为原料，三乙胺为催化剂，在 60℃左右反应，缩合产物经减压蒸馏和结晶、干燥，得到收率为 90 %以上的中间体羟基戊醛；加氢反应采用自制的Cu -ZnO催化剂，乙醇为溶剂，在 15 0℃将HPA加氢生成新戊二醇，HPA转化率为 99%，新戊二醇收率在 95 %以上，而且HPA缩合反应的副产物在加氢反应中也转化为新戊二醇。

As we obturate with lacquer from six sides , it is impossibe for formaldehyde to release outside .

同时达到质量要求的竹地板，六面封漆，具有一定屏蔽作用阻止甲醛挥发。

The quality of both red and white wine depends very much on the wine maker talent and on the quality of the grapes.

他的红酒和白酒的品质，根据酿造者的能力和葡萄的质量，各有差异。

No, I don't want to get drunk before my next match.

" "不，我不想让我的下一场比赛前喝醉了。