探讨了甲醛含量的可视化半定量快速检测方法。
This article also discussed the visual semi-quantitative rapid detection method of formaldehyde content.
目的减少复用透析器中的甲醛含量,降低病人费用。
Objective To decrease the formalin content in the reused dialyzer and reduce the patients' cost.
几个月来成千上万的群众居住在通风不畅,高甲醛含量的临时住所内。
For months thousands of people were housed in temporary trailers which were poorly ventilated and contained high levels of formaldehyde.
实验结果表明:改性后游离甲醛含量明显降低,韧性有了较大的提高。
The experimental result indicate: free formaldehyde reduced obviously, flexility of modified UF resin is enhanced clearly.
此外本发明采用甲醛含量较低的胶粘剂粘贴,保证了用户的安全使用。
In addition, the solid-wood composite floor board is adhered by using the adhesive with relatively lower formaldehyde content so as to guarantee safe use of a user.
但甲醛对人体健康的危害很大,因此需要对化妆品中的甲醛含量进行检测。
However, formaldehyde does harm to human health. Therefore, the content of formaldehyde in cosmetics should be determined.
甲醛含量已成为当今居室、食品、纺织品中污染监测的一项重要安全指标。
Formaldehyde content has become an important safety indicator in Pollution Monitoring of living room, food and textiles.
提出了一种脲醛树脂合成思路,并合成出游离甲醛含量高于0.3%的树脂。
The paper developed a new synthetic technology of urea-formaldehyde resins, and the content of free formaldehyde was more than 0.3%.
通过分析刨花板中游离甲醛产生的原因,提出了几种降低游离甲醛含量的方法。
Through analysis the causes of the free formaldehyde came from particle board, the article points out some methods to reduce the content of free formaldehyde.
等离子体处理后再经焙烘,可进一步减少棉织物上游离甲醛含量,提高折皱回复角。
Plasma treatment followed by the curing can further decrease the free formaldehyde content and increase the angle of crease recovery.
提出了一种使用乙酰丙酮作显色剂、结合分光光度法检测内墙涂料中甲醛含量的方法。
A method, combined with spectrophotometry, for determining formaldehyde content of interior architectural coatings with acetylacetone as developer was proposed.
实验发现海水鱼类较淡水鱼类甲醛本底含量高,鱼雪鱼类甲醛含量比其它品种高得多。
We found the amount of instinct formaldehyde of seawater fish was higher than water fish.
根尖有丝分裂指数可以作为监测环境中甲醛含量的参考指标,应用于甲醛污染的监测。
Therefore, Mitotic index can be used as a reference for monitoring the formaldehyde content in the environment. Onions can be applied to formaldehyde pollution monitoring.
环保产品——所有材料符合国家环保标准,甲醛含量极低,产品还具有天然木质的芳香。
Environmentally friendly products - all materials comply with national environmental standards, very low formaldehyde content, product also features natural wood aroma.
该方法使用仪器简单、操作方便、选择性和准确度好,适合水发食品中甲醛含量的测定。
The method is characterized by simple instrument, easy operation, good selectivity and good accuracy, which is suitable for determination of formaldehyde in soaked food.
结果表明:脲醛比、淀粉种类和氧化程度是影响游离甲醛含量和固含量的主要因素;
Those factors occurred in the synthetical technics of modified urea-formaldehyde resin with starchy oxide.
商品已经过质量监督检查中心检查,甲醛含量为零,安全舒服,非常适合宝宝柔嫩的皮肤。
Product quality supervision and inspection center also has been checked, and the formaldehyde content is zero Clothes line very safe and comfortable, ideal for delicate baby skin.
方法采用品红亚硫酸法和乙酰丙酮法测定吊白块中甲醛含量,并计算样品中吊白块的含量。
Methods The content of formaldehyde in rongalite was determined by sulfurous acid, magenta and acetylacetone spectrophotometry respectively.
因高浓度甲醛具严重危害性,故须严格控制,研究发现多种方法可显著降低革中甲醛含量。
Because the high concentration formaldehyde is very dangerous, so it will be controlled strictly. Some methods were recommended to reduce the formaldehyde content in leather.
制作过程中加入吊白块,用酸碱滴定法分别测定水豆腐压滤液、离浆液和蒸馏液中甲醛含量。
The formaldehyde contents in tofu filtrate, liquid separated from beancurd and the distillate of beancurd were measured by acid-base titration.
28件产品中的23件 - 82% -甲醛含量在54至610百万分率(ppm)之间。
23 out of 28 products – 82 percent – contained formaldehyde at levels ranging from 54 to 610 parts per million (ppm).
采用电位滴定法改进了测定甲醛含量的中性亚硫酸钠法,并对其准确度和影响因素进行了探讨。
In this paper a potentiometric titration was used to improve the neutral sodium sulfite method for determining the content of formaldehyde, and the accuracy and influential factors were discussed.
本研究同时对其它水产品甲醛含量进行研究,发现水产干制品中甲醛含量较高,检出率为100%。
The formaldehyde content is relatively high in dry aquatic products and its detection rate is 100%.
目前室内装饰装修材料中甲醛含量的检测有六个类别,分析方法不统一,且没有一定的质量控制措施。
There are six types of monitor methods of formaldehyde in the indoor decorating and renovating materials. The analyzing methods are not unified, and there is no specified quality control measurement.
生产应用结果表明,该树脂粘结剂中甲醛含量可控制在1.8%以下,力学性能完全可以满足生产要求。
Practice results indicated that the content of formaldehyde in resin binder can be controlled less than1.8%and the mechanical properties completely satisfied the requirement of production.
通过对脲醛树脂的合成改性,降低了树脂中游离甲醛含量,减小了毒性,加入改性剂后增加了树脂韧性。
Free formaldehyde content in resin is reduced through beetle modification, and the toxicity is thus reduced. The toughness of resin has been increased after adding modifier.
而像这样贴有环保EO(配音:E零)标识的,也就意味着它的甲醛含量低于0.5%,您可以放心购买。
You can rest assured to buy the products marked EO which means the formaldehyde content is less than 0.5%.
甲醛含量作为纺织产品检验工作中的一项强制性考核项目,了解和掌握影响其测定的相关因素是十分必要的。
The content of formaldehyde is a compulsory examination item in textile inspection, so it is very necessary to understand related factors that affect the determination of formaldehyde content.
采用酚试剂比色法并合理使用甲醛测量装置对甲醛含量进行了测定,测量结果的精度能够达到装置标称的5%。
We use of colorimetric phenol reagent and formaldehyde measurement devices for measuring formaldehyde, the accuracy of the measurement results can reach nominal 5% of the device.
采用酚试剂比色法并合理使用甲醛测量装置对甲醛含量进行了测定,测量结果的精度能够达到装置标称的5%。
We use of colorimetric phenol reagent and formaldehyde measurement devices for measuring formaldehyde, the accuracy of the measurement results can reach nominal 5% of the device.
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