甲醛

Offers some plants can effectively absorb harmful gases in the air, such as Diaolan, Feizhouju, the green troops, aloes, to better absorb formaldehyde, ivy, Tit Shu, chrysanthemum can break down formaldehyde and xylene, young plants, Cheung Tsing harmful gases to eliminate multiple.

一些观叶植物能有效地吸收空气里的有害气体，如吊兰、非洲菊、金绿萝、芦荟等对甲醛有较好的吸收作用，常春藤、铁树、菊花可以分解甲醛和二甲苯，万年青等长青植物能消除多种有害气体。

First, by using p-methoxybenzaldehyde , p-hydroxybenzaldehyde and pyrrole as raw materials, 5-(p-hydroxyphenyl)-10,15,20-tri(p-methoxyphyenyl)porpyrin was prepares under acidity condition and the let reacted with benzoyl chloride, o-nitrobenzoyl chloride, m- nitrobenzoyl chloride and p- nitrobenzoyl chloride respectively under alkalinity condition with DMF as solvent.

以对-甲氧基苯甲醛、对-羟基苯甲醛和吡咯为原料，在酸性条件下合成了5-对羟苯基10，15，20-三对甲氧苯基卟啉，再以该化合物为原料分别与苯甲酰氯、邻-硝基苯甲酰氯、间-硝基苯甲酰氯和对-硝基苯甲酰氯反应，在碱性条件下以DMF为溶剂合成了四种目前尚未见文献报道的对-甲氧基卟啉硝基苯甲酸酯类化合物。

A climate chamber was used to study the emission of formaldehyde from plywood.

采用气候箱模拟室内气候环境，研究胶合板的甲醛释放规律，分析环境因素对处于稳定释放期的胶合板甲醛及其他VOC释放机理的影响。

The relationship between the charging order and heat stability or charpy impact strength was stuided, too. The results show that the heat stability and charpy impact strength of POM obtained using a special charging order are 3.6% and 0.71 kg·cm/cm 2 higher than those of general charging order, the...

结果表明，通过特殊加料方式所得共聚甲醛的热碱稳定性及缺口冲击强度分别比普通加料方式的高出3.6％及0.71kgcm／cm2，且前一种共聚甲醛所形成的球晶明显小于后者，说明B为一种较好的聚合加料方式。

Screening the microorganism that can convert cinnamon oil to benzaldehyde by enzyme was the prerequisite of enzymatic synthesis.

筛选能将肉桂醛转化成苯甲醛的酶源菌株，是微生物转化法生产天然苯甲醛的前提条件。

The o-aminobenzaldehyde ethylene acetals can be synthesized from corresponding o-nitrobenzaldehyde by reducing the nitro-group after the protection of carbonyl by ethylene. 2-Aminophenyl ketone ethylene ketal can also be prepared from 2-nitrophenyl ketones by this method.

邻氨基苯甲醛乙二醇缩醛可以由含不同取代基的邻硝基苯甲醛经羰基以乙二醇缩醛保护后还原硝基得到，邻氨基芳香酮乙二醇缩酮可以同样的方法由邻硝基芳香酮得到。

There are still problems such as reaching nation stardard of formaldehyde emission and mechanical properties, high production costs , technology operation and so on since nation standard on limits of formaldehyde emission of wood panels and finishing products is forcibly carnied out .

自国家新出台人造板及其制品甲醛释放限量标准和强制执行以来，人造板产品始终存在甲醛释放和力学性能达标，和生产过程成本高，工艺操作差等诸多技术问题。

Catalysed water contains freeformed, formaldehyde is a carcinogenic substances harmful to human health.

催化型水性上光油中含有游离甲醛，而甲醛是一种致癌物质，对人体健康有害。

This article has studied the woven cottons in after the resin finishing performance change, after joins the formaldehyde elimination medicinal preparation in the identical resin finishing formaldehyde content contrast as well as each kind of

本文研究了棉织物在通过树脂整理后的性能变化，和加入甲醛清除剂后同普通树脂整理的甲醛含量的对比以及各类性能上的改观。

Formaldehyde: mainly from the gel, in particular the use of plastic sheet, so formaldehyde mainly in sheet inside, Daixinban, composite flooring, MDF, particle board, the family will inevitably be used in decoration and plastic plates, then how to avoid pollution, I offer a few suggestions.

甲醛：主要来自于胶中，尤其是板材中使用的胶，所以甲醛主要存在于板材里面，大芯板、复合地板，中密度板，刨花板等，家庭装修不可避免会用到板材和胶，那么如何避免污染，我提供几点建议。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。