查询词典 formaldehyde solution

Dioxide quinoxaline formaldehyde semicarbazones and imines were synthesized by the reactions of 1,4-dioxide quinoxaline formaldehyde with aminourea or substituted anilines.

用1，4-二氧喹喔啉甲醛与氨基脲、苯胺、取代苯胺等反应，合成了11种1，4-二氧喹喔啉甲醛－缩氨脲和醛亚胺。

Methods With the small Climate-Chamber and 4160 formaldehyde-analyzer, quantity of formaldehyde released from some kinds of woodiness boards was analyzed under the different condition of temperature, relative humidity and ventilation cycle.

方法应用小型环境测试舱(60L)和甲醛测定仪，在一定温度(23℃)、相对湿度(45%)和空气交换率(1次/h)的条件下对各种木质板材(细木工板，医用胶合板，中密度纤维板等)的甲醛释放量进行测定。

Methods 66 apartments decorated from one month to almost one year and 28 roughcast apartments were selected and the concentration of formaldehyde were determined by portable readability Digital formaldehyde analyzing machine.

选择6 6户装修时间为1个月～1年的居室为对象，2 8栋毛坯楼房为对照，采用直读式数字便携式甲醛分析仪检测室内空气中甲醛含量。

Results showed that under certain conditions,the concentration of formaldehyde emitted quickly increased to a maximum value in several hours,and then began to decline until it reached a steady value.In the steady emission state,environmental factors had remarkable effects on formaldehyde and other VOC emissions.

研究发现：在模拟的空气环境条件下，胶合板甲醛释放呈现的规律为：在较短时间内急速上升，达到最大值后逐渐衰减，直到趋于稳定值；在稳定释放状态，环境因素对甲醛及某些VOC散发有显著作用。

Aloe also is the ace that absorbs formaldehyde, can absorb the formaldehyde of the 90 ％ that contain in 1 stere air.

花叶芋。红背桂等是天然的除尘器，其纤毛能截留并吸滞空气中的飘浮微粒及烟尘。

If the specific surface area (0.3391 m2/g) of non-modified tea extracted residual was set as 1, the specific surface area of 9 adsorbents, modified with optimized condition, will be 24.7 thiocarbamide plus phosphorylation (1, 12.2 phosphorylation (1, 6.7, 6.5 phosphorylation (2, 6.1 (sodium thiosulfate modification), 5.9 formaldehyde (1, 5.8 formaldehyde (2, 5.4, and 4.9.

设未经修饰过茶叶渣比表面积(0.3391 m2/g)之相对比值为1，其余九种化学修饰化法制备之吸附剂比表面积相对比值分别为硫脲加磷酸化修饰处理法24.7，磷酸化修饰处理法 12.2，磷酸化修饰处理法 6.7，硫脲提升纤维素架桥作用6.5，硫代硫酸钠修饰处理法6.1，甲醛修饰处理法 5.9，甲醛修饰处理法 5.8，醋酸修饰处理法5.4，柠檬酸修饰处理法4.9。

The chemical process for enhancement of metal adsorption in adsorbent ordered decreasingly as thiocarbamide plus phosphorylation (1), phosphorylation (1), thiocarbamide modification, phosphorylation (2), sodium thiosulfate modification, formaldehyde (1), formaldehyde (2), acetic acid modification, and citric acid modification.

其中硫脲加磷酸化修饰处理法修饰吸附剂具有对Zn2+、Ni2+及Cu2+最佳吸附量为256.28、241.56、229.96mg/g，效果最差之柠檬酸修饰处理法亦有40.32 mg、37.9 mg、34.64 mg/g。

To establish the upper control limit for formaldehyde residue in textile matrix in the process of risk management, content of formaldehyde of textile samples collected randomly in domestic market was determined.

为获取纺织品风险管理工作中甲醛残留浓度控制上限，随机抽取国产织物样品并对其甲醛含量进行测定。

In the interest of prudence, Chen Ying in April 2000 on the indoor air pollutant formaldehyde again for testing, Beijing Institute of Labour Protection in the April 6, 2000, in the outdoor Carthage 8, 9 level winds, indoor formaldehyde concentrations were significantly whiffle of a test again, results still receive up to five times.

为慎重起见，陈颖于2000年4月就室内空气中的甲醛超标再次申请检测，北京市劳动保护研究所于2000年4月6日，在室外刮着八、九级强风，室内甲醛浓度被明显吹散的情况下再次进行了检测，结果仍然超标达5倍之多。

Objective To understand the emission rate and the attenuation rule of formaldehyde in the artificial woodiness boards for sell in China and to study the efficiency of formaldehyde-eliminator.

目的了解目前市售木质人造板甲醛的释放量，研究不同板材甲醛的衰减规律以及甲醛消除剂的效果。

More direct, directer ; most direct, directest

径直的，笔直的

Do you know how to use a chain saw?

你知道如何使用链锯吗？