甲醛

In this paper, a novel surfactant-free microemulsion is reported, which is composed of furaldehyde, water and ethanol without a traditional surfactant of the amphiphilic molecular structure.

本文报道了一种不含表面活性剂的微乳液体系，由呋喃甲醛，水和乙醇三组分构成，不含传统的表面活性剂。

Furfurylidene acetone obtained from acetone and furfuratdehyde by condensationwas used as a brightener in an acid-sodium chloride type Zn electroplating bath.

由丙酮和呋喃甲醛经缩合反应所制得的呋喃叉丙酮，用作酸性氯化钠型镀锌的光亮剂。

In the paper, it was reported thatα-Furoic acid was synthesized with the electrooxidation ofα-furfural at the Ni electrode in the NaOH solution.

报道了在NaOH溶液中，以α-呋喃甲醛为原料，在Ni电极上直接电氧化制备α-呋喃甲酸。

The toxicity of several similar structural compounds with HT-toxin such as furamethanol, furancarboxaldehyde and furoic acid to corn was tested, and the results showed that the toxicity of furoic acid was highest among them, and in turn followed by furancarboxaldehyde and furannethanol.

对与组分Ⅰ有类似结构的几种物质进行毒性比较的结果发现，呋喃甲酸对玉米的毒害作用最强，其次依次是呋喃甲醛和呋喃甲醇，指出该毒素随着不断氧化毒性会有增强。

The solid-phase microextraction technique was evaluated for the determination of furoic acid and creatinine in urine. For furoic acid, the alkaline hydrolysis step was first performed to hydrolyze the furoic acid-glycine conjugate to free furoic acid.

本研究利用固相微萃取(solid-phase microextraction， SPME)动与气相层析质谱仪之结合，建立尿中呋喃甲酸与肌酸酊的分析技术，以提供评估呋喃甲醛暴露之生物侦测工具。

Optimized the preparation of chitosan hydrogel technological conditions, and the result indicated that: the hydrogel with best quality can be gotten, with the chitosan quantity 1 g, the formaldehydevolume 0.2 mL, the gelatination temperature 50℃.

通过试验优化制备壳聚糖水凝胶的工艺条件，试验结果表明：当壳聚糖量为1 g，甲醛体积为0.2 mL，凝胶化温度为50℃时，制备得到的水凝胶质量优良。

METHODS: The rats in the two groups were anaesthetized by intraperitoneal injection of 10 g/L urethane (1 g/kg) and the chest was opened to insert a tube into the ascending aorta for perfusion with 200 mL of the mixture containing glutaric dialdehyde and paraformaldehyde for fixation.

两组大鼠给予质量浓度为10 g/L的乌拉坦1 g/kg腹腔内注射，麻醉后开胸，升主动脉插管，戊二醛与多聚甲醛混合固定液200 mL灌流固定，取嗅球，振荡切片，锇酸后固定，平板包埋，光镜下选取嗅球各层，制备超薄切片，透射电镜下对比观察。

The preparation of glycoluril and the optimum process conditions are studied lthe effects of different etherates on the content of free formaldehyde in the resulting finishing agents are also compared.

对甘脲树脂的制备及最佳工艺条件进行了研究，比较了各种不同醚化剂对整理剂产品中游离甲醛含量的影响。

The guaiacol methods of synthesizing vanillin mainly includes: nitroso group method, Glyoxalic acid method, formaldehyde method, Reimer-Tiemann method, Trichloroacetaldehyde acetochloralb method, electrolytic oxidation method.

愈创木酚法合成香兰素的方法主要有亚硝基法、乙醛酸法、甲醛法、Reimer-Tiemann法、三氯乙醛法、电解氧化法，本文综述了愈创木酚法合成香兰素的研究进展，并对愈创木酚法合成香兰素提出了展望。

Using glyoxylic acid to replace the harmful chemical substance formaldehyde as a reducing agent, an copper layer was deposited on rosin substrate by this electroless copper plating technology.

用乙醛酸代替有害的化学药品甲醛作为还原剂，在树脂基材上进行化学镀铜。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。