查询词典 formaldehyde solution

Methods A small climate chamber was employed to control the temperature, concentration of vapor and ventilation rate. The quantity of formaldehyde released from woodiness boards was determined by 4160 Formaldehyde Analyzer of INTERSCAN.

使用小型环境测试舱控制温度、水蒸汽浓度、空气交换率，用INTERSCAN公司的4160型甲醛分析仪测定不同条件下木质板材的甲醛释放量。

Regarding polyurethane varnish as host of the formaldehyde absorbent,mainly aminoacetic aicd , casein, tannins, L - glutamate, DL - a - amino acid, urea, hexamethylenetetramine, lignin and molecule are chosen to serve as formaldehyde absorbent.

以硝基清漆为吸收基质，主要选择了如氨基乙酸、干酪素、鞣质、L-谷氨酸、DL-α氨基丙酸、尿素、六次甲基四胺、木质素、分子筛等作为甲醛吸收剂，涂布于聚氯乙烯胶片上做甲醛吸收测试；根据测试结果，制作的甲醛吸附剂能起到较好的甲醛吸收效果；并探讨了硝基清漆中吸收剂用量的筛选及吸收时间对甲醛消除的影响因素。

An aminobenzene sulfonate-formaldehyde based polymer dispersant with good grinding efficiency was synthesized under alkaline condition using aminobenzene sulfonate, phenol and formaldehyde as main raw materials.

0引言众所周知，在陶瓷工业生产中，原料细磨是其中一道关键的工序，是一个高能耗、低效率的作业过程，却又是必不可少的一个工艺过程。

An aminobenzene sulfonate-formaldehyde based polymer dispersant with good grinding efficiency was synthesized under alkaline condition using aminobenzene sulfonate, phenol and formaldehyde as main raw materials.

以对氨基苯磺酸、苯酚、甲醛为主要原料，采用碱性合成线路制备了具有助磨效果的氨基磺酸系高效减水剂，系统地研究了单体比例、单体浓度、交联剂用量、反应体系初始pH值、反应时间和反应温度等因素对助剂助磨效果的影响。

BS 6806-2002 Textiles - Determination of formaldehyde - Method for the determination of total and free formaldehyde using chromotropic acid

使用铬变酸法测定甲醛的总含量和游离部分的含量

The results of the herbicidal effects study display that 1,4-dioxoquinoxaline formaldehyde-salicylic aldehyde dihydrazone and 1,4-dioxoquinoxaline formaldehyde acetone dihydrazone have obvious herbicidal activity.

研究结果表明1，4-二氧喹喔啉-2-甲醛-水杨醛双腙和1，4-二氧喹喔啉-2-甲醛-丙酮双腙表现较明显的活性，在500mg/L浓度时对稗草的株防效分别为51.3%和55.0%；对油菜株防效较弱，分别只有33.5%和17.5%。

Being Compared contact angle changes of various adhesives on different surface of Moso bamboo and Chinese fir with the coefficients of penetrability, it was found that wettiability of polymeric diphenylmethane diisocyanate adhesive was much better than emulsion polymer isocyanate adhesive, wettiability of phenol-formaldehyde adhesive and urea-formaldehyde adhesive were in the middle of above two adhesives.

通过研究不同胶粘剂在毛竹表面的接触角变化，并结合胶粘剂渗透扩散系数，发现聚异氰酸酯胶在竹材表面的润湿性较好，而双组分乳液型聚异氰酸酯胶的表面润湿性较差，酚醛树脂胶和脲醛树脂胶润湿能力处于二者中间。

The superplasticizer CS-SR3 is completely different from traditional formaldehyde or lignosulphonate based water-reducing admixtures.CS-SR3 is a new kind of high performance polycarboxylate water-reducing admixture without any formaldehyde.

超塑化剂CS-SR3与传统的由甲醛、萘磺酸缩聚而成的萘系和木质素磺酸盐减水剂是完全不同的，是一种新的完全不含甲醛的高性能聚羧酸系高效减水剂。

The superplasticizer CS-SP1 is completely different from traditional formaldehyde or lignosulphonate based water-reducing admixtures. CS-SP1 is a new kind of high performance polycarboxylate water-reducing admixture without any formaldehyde.

超塑化剂CS-SP1与传统的由甲醛、萘磺酸缩聚而成的萘系和木质素磺酸盐减水剂是完全不同的，是一种新的完全不含甲醛的高性能聚羧酸系高效减水剂。

The superplasticizer CS-SX1 is completely different from traditional formaldehyde or lignosulphonate based water-reducing admixtures. CS-SX1 is a new kind of high performance polycarboxylate water-reducing admixture without any formaldehyde.

超塑化剂CS-SX1与传统的由甲醛、萘磺酸缩聚而成的萘系和木质素磺酸盐减水剂是完全不同的，是一种新的完全不含甲醛的高性能聚羧酸系高效减水剂。

When this condition occurs, inbound replication with the source partner is stopped on the destination domain controller and event ID 2042 is logged in the Directory Services event log.

计算机密码学是研究计算机信息加密、解密及其变换的科学，是数学和计算机的交义学科，也是一门新兴的学科。

Instructions: click on the thumbnails to see a larger image, then use the left-right arrow keys to scroll through the slideshow.

使用说明：滑鼠点在小图上即可放大观赏。开启后键盘左右键可用来换照片。