查询词典 formaldehyde

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。

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。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。